1 2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
3 * doc/xml/manual/policy_data_structures_biblio.xml: Switch
4 pubs.opengroup.org to https.
6 2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
8 * doc/xml/gnu/gpl-3.0.xml: Switch www.gnu.org to https.
10 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
12 * doc/xml/manual/status_cxx2020.xml: Add rows and update status.
14 2019-10-24 Jonathan Wakely <jwakely@redhat.com>
16 * include/bits/allocator.h (allocator<void>): Restore the explicit
17 specialization for C++20, but make its API consistent with the primary
19 (allocator::~allocator()): Restore the destructor for C++20, but make
21 * testsuite/20_util/allocator/rebind_c++20.cc: Check allocator<void>.
22 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc: Likewise.
23 * testsuite/20_util/allocator/void.cc: Check that constructors and
24 destructors are trivial. Check for converting constructor in C++20.
25 * testsuite/ext/malloc_allocator/variadic_construct.cc: Simplify
26 dejagnu target selector.
27 * testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
29 * include/experimental/executor (__use_future_ct, use_future_t):
30 Define partial specializations for std::allocator.
31 (__use_future_ch): Overload constructor for completion tokens using
34 PR libstdc++/88338 Implement P0898R3, C++20 concepts library
35 * doc/xml/manual/status_cxx2020.xml: Update status.
36 * doc/html/*: Regenerate.
37 * testsuite/std/concepts/1.cc: New test.
38 * testsuite/std/concepts/2.cc: New test.
40 * include/bits/random.h (uniform_random_bit_generator): Define for
42 * testsuite/26_numerics/random/concept.cc: New test.
43 * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error line.
45 2019-10-23 Jonathan Wakely <jwakely@redhat.com>
47 * include/std/functional (invoke): Add constexpr for C++20.
48 * include/std/version (__cpp_lib_constexpr_invoke): Define.
49 * testsuite/20_util/function_objects/invoke/constexpr.cc: New test.
51 PR c++/91369 Implement P0784R7 changes to allocation and construction
52 * include/bits/alloc_traits.h: Include <bits/stl_construct.h>.
53 (allocator_traits::_S_allocate, allocator_traits::_S_construct)
54 (allocator_traits::_S_destroy, allocator_traits::_S_max_size)
55 (allocator_traits::_S_select, allocator_traits::allocate)
56 (allocator_traits::deallocate, allocator_traits::construct)
57 (allocator_traits::destroy, allocator_traits::max_size)
58 (allocator_traits::select_on_container_copy_construction)
59 (allocator_traits<allocator<T>>): Add constexpr specifier for C++20.
60 (allocator_traits<allocator<T>>::construct): Use construct_at.
61 (allocator_traits<allocator<T>>::destroy): Use destroy_at.
62 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Add constexpr
64 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
65 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move here
66 from <bits/stl_construct.h>.
67 * include/bits/allocator.h (allocator::~allocator): Remove for C++20.
68 (allocator::allocate, allocate::deallocate): Define for C++20 and up.
69 (operator==, operator!=): Add constexpr specifier for C++20.
70 * include/bits/stl_construct.h: Don't include <ext/alloc_traits.h>.
71 (destroy_at): For C++20 add constexpr specifier and support for
73 (construct_at): Define new function for C++20.
74 (_Construct): Return result of placement new-expression. For C++11 and
75 up add constexpr. For C++20 dispatch to std::construct_at during
77 (_Destroy(pointer)): Add constexpr specifier. For C++20 dispatch to
78 std::destroy_at during constant evaluation.
79 (_Destroy_aux::__destroy, _Destroy_n_aux::__destroy_n): Add constexpr
81 (_Destroy(ForwardIterator, ForwardIterator))
82 (_Destroy(ForwardIterator, Size)): Likewise. Do not elide trivial
83 destructors during constant evaluation.
84 (destroy, destroy_n): Add constexpr specifier for C++20.
85 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
86 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move to
87 <bits/alloc_traits.h>, to remove dependency on allocators.
88 * include/bits/stl_uninitialized.h: Include <ext/alloc_traits.h>.
89 Include <bits/stl_pair.h> instead of <utility>.
90 * include/ext/alloc_traits.h: Always include <bits/alloc_traits.h>.
91 (__alloc_traits::construct, __alloc_traits::destroy)
92 (__alloc_traits::_S_select_on_copy, __alloc_traits::_S_on_swap): Add
94 * include/ext/malloc_allocator.h (operator==, operator!=): Add
95 constexpr specifier for C++20.
96 * include/ext/new_allocator.h (operator==, operator!=): Likewise.
97 * testsuite/20_util/headers/memory/synopsis.cc: Add constexpr.
98 * testsuite/20_util/scoped_allocator/69293_neg.cc: Ignore additional
99 errors due to constexpr function called after failed static_assert.
100 * testsuite/20_util/specialized_algorithms/construct_at/1.cc: New test.
101 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
102 Ignore additional errors due to constexpr function called after failed
104 * testsuite/23_containers/vector/cons/destructible_neg.cc: Likewise.
106 * testsuite/20_util/bind/91371.cc: Fix test to compile as C++11.
108 * include/debug/helper_functions.h (__valid_range): Change
109 _GLIBCXX_CONSTEXPR to _GLIBCXX14_CONSTEXPR.
111 * include/ext/throw_allocator.h (throw_allocator_base): Qualify
112 size_t and ptrdiff_t.
114 * include/ext/pb_ds/detail/bin_search_tree_/bin_search_tree_.hpp:
115 Use detail::rebind_traits.
116 * include/ext/pb_ds/detail/bin_search_tree_/node_iterators.hpp:
118 * include/ext/pb_ds/detail/bin_search_tree_/traits.hpp: Likewise.
119 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp: Likewise.
120 * include/ext/pb_ds/detail/binary_heap_/entry_cmp.hpp: Likewise.
121 * include/ext/pb_ds/detail/binary_heap_/entry_pred.hpp: Likewise.
122 * include/ext/pb_ds/detail/binary_heap_/point_const_iterator.hpp:
124 * include/ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp:
126 * include/ext/pb_ds/detail/branch_policy/branch_policy.hpp: Likewise.
127 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp: Likewise.
128 * include/ext/pb_ds/detail/cond_dealtor.hpp: Likewise.
129 * include/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp (has_eq_fn): Likewise.
130 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp: Likewise.
131 * include/ext/pb_ds/detail/hash_fn/ranged_hash_fn.hpp: Likewise.
132 * include/ext/pb_ds/detail/hash_fn/ranged_probe_fn.hpp: Likewise.
133 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
134 left_child_next_sibling_heap_.hpp: Likewise.
135 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/node.hpp:
137 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
138 point_const_iterator.hpp: Likewise.
139 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp: Likewise.
140 * include/ext/pb_ds/detail/ov_tree_map_/
141 constructors_destructor_fn_imps.hpp: Likewise.
142 * include/ext/pb_ds/detail/ov_tree_map_/node_iterators.hpp: Likewise.
143 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hpp: Likewise.
144 * include/ext/pb_ds/detail/pairing_heap_/pairing_heap_.hpp: Likewise.
145 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp: Likewise.
146 * include/ext/pb_ds/detail/pat_trie_/pat_trie_base.hpp: Likewise.
147 * include/ext/pb_ds/detail/rb_tree_map_/node.hpp: Likewise.
148 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp: Likewise.
149 * include/ext/pb_ds/detail/splay_tree_/node.hpp: Likewise.
150 * include/ext/pb_ds/detail/thin_heap_/thin_heap_.hpp: Likewise.
151 * include/ext/pb_ds/detail/trie_policy/sample_trie_access_traits.hpp:
153 * include/ext/pb_ds/detail/type_utils.hpp: Fix typo in comment.
154 * include/ext/pb_ds/detail/types_traits.hpp (stored_value): Add
155 bool parameter to control whether the hash value is stored.
156 (select_base_type): New class template and partial specialization.
157 (maybe_null_type): Likewise.
158 (rebind_traits): New class template.
159 (type_base): Remove four nearly identical specializations.
160 (type_dispatch): Remove.
161 (type_traits): Use select_base_type and maybe_null_type instead of
162 type_base to control differences between specializations.
163 * include/ext/pb_ds/list_update_policy.hpp: Use detail::rebind_traits.
164 * include/ext/pb_ds/priority_queue.hpp: Likewise.
165 * include/ext/pb_ds/tree_policy.hpp: Likewise.
166 * include/ext/pb_ds/trie_policy.hpp: Likewise.
168 * include/backward/hash_set (hash_set): Use __alloc_traits.
169 * include/backward/hashtable.h (_Hashtable): Likewise.
170 * include/ext/alloc_traits.h (__alloc_traits::allocate): Add overload
172 * include/ext/extptr_allocator.h (_ExtPtr_allocator::allocate): Ignore
174 * include/ext/slist (_Slist_base): Use __alloc_traits.
175 * include/tr1/hashtable.h (_Hashtable): Likewise.
176 * include/tr1/regex (match_results): Use vector::const_reference
177 instead of assuming the allocator defines it.
178 * testsuite/backward/hash_map/23528.cc: Use allocator_traits in C++11.
179 * testsuite/tr1/6_containers/unordered_map/capacity/29134-map.cc: Use
180 __gnu_test::max_size.
181 * testsuite/tr1/6_containers/unordered_multimap/capacity/
182 29134-multimap.cc: Likewise.
183 * testsuite/tr1/6_containers/unordered_multiset/capacity/
184 29134-multiset.cc: Likewise.
185 * testsuite/tr1/6_containers/unordered_set/capacity/29134-set.cc:
188 2019-10-22 Jonathan Wakely <jwakely@redhat.com>
190 * testsuite/util/testsuite_abi.h: Restore use of tr1/unordered_map
191 when compiled as C++98.
193 * include/bits/memoryfwd.h (uses_allocator): Do not declare for C++98.
194 * testsuite/17_intro/names.cc: Check uses_allocator in C++98.
196 * include/bits/alloc_traits.h
197 (allocator_traits<allocator<T>>::allocate): Ignore hint for C++20.
198 (allocator_traits<allocator<T>>::construct): Perform placement new
199 directly for C++20, instead of calling allocator<T>::construct.
200 (allocator_traits<allocator<T>>::destroy): Call destructor directly
201 for C++20, instead of calling allocator<T>::destroy.
202 (allocator_traits<allocator<T>>::max_size): Return value directly
203 for C++20, instead of calling std::allocator<T>::max_size().
204 (__do_alloc_on_copy, __do_alloc_on_move, __do_alloc_on_swap): Do not
205 define for C++17 and up.
206 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Use if-constexpr
207 for C++17 and up, instead of tag dispatching.
208 * include/bits/allocator.h (allocator<void>): Remove for C++20.
209 (allocator::pointer, allocator::const_pointer, allocator::reference)
210 (allocator::const_reference, allocator::rebind): Remove for C++20.
211 * include/bits/basic_string.h (basic_string): Use __alloc_traits to
213 * include/bits/memoryfwd.h (allocator<void>): Remove for C++20.
214 * include/ext/debug_allocator.h: Use __alloc_traits for rebinding.
215 * include/ext/malloc_allocator.h (malloc_allocator::~malloc_allocator)
216 (malloc_allocator::pointer, malloc_allocator::const_pointer)
217 (malloc_allocator::reference, malloc_allocator::const_reference)
218 (malloc_allocator::rebind, malloc_allocator::max_size)
219 (malloc_allocator::construct, malloc_allocator::destroy): Do not
221 (malloc_allocator::_M_max_size): Define new function.
222 * include/ext/new_allocator.h (new_allocator::~new_allocator)
223 (new_allocator::pointer, new_allocator::const_pointer)
224 (new_allocator::reference, new_allocator::const_reference)
225 (new_allocator::rebind, new_allocator::max_size)
226 (new_allocator::construct, new_allocator::destroy): Do not
228 (new_allocator::_M_max_size): Define new function.
229 * include/ext/rc_string_base.h (__rc_string_base::_Rep): Use
230 __alloc_traits to rebind allocator.
231 * include/ext/rope (_Rope_rep_base, _Rope_base): Likewise.
232 (rope::rope(CharT, const allocator_type&)): Use __alloc_traits
233 to construct character.
234 * include/ext/slist (_Slist_base): Use __alloc_traits to rebind
236 * include/ext/sso_string_base.h (__sso_string_base::_M_max_size):
238 * include/ext/throw_allocator.h (throw_allocator): Do not use optional
239 members of std::allocator, use __alloc_traits members instead.
240 * include/ext/vstring.h (__versa_string): Use __alloc_traits.
241 * include/ext/vstring_util.h (__vstring_utility): Likewise.
242 * include/std/memory: Include <bits/alloc_traits.h>.
243 * testsuite/20_util/allocator/8230.cc: Use __gnu_test::max_size.
244 * testsuite/20_util/allocator/rebind_c++20.cc: New test.
245 * testsuite/20_util/allocator/requirements/typedefs.cc: Do not check
246 for pointer, const_pointer, reference, const_reference or rebind in
248 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc: New test.
249 * testsuite/23_containers/deque/capacity/29134.cc: Use
250 __gnu_test::max_size.
251 * testsuite/23_containers/forward_list/capacity/1.cc: Likewise.
252 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
253 * testsuite/23_containers/map/capacity/29134.cc: Likewise.
254 * testsuite/23_containers/multimap/capacity/29134.cc: Likewise.
255 * testsuite/23_containers/multiset/capacity/29134.cc: Likewise.
256 * testsuite/23_containers/set/capacity/29134.cc: Likewise.
257 * testsuite/23_containers/vector/capacity/29134.cc: Likewise.
258 * testsuite/ext/malloc_allocator/variadic_construct.cc: Do not run
260 * testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
261 * testsuite/ext/vstring/capacity/29134.cc: Use __gnu_test::max_size.
262 * testsuite/util/replacement_memory_operators.h: Do not assume
263 Alloc::pointer exists.
264 * testsuite/util/testsuite_allocator.h (__gnu_test::max_size): Define
265 helper to call max_size for any allocator.
267 2019-10-22 Andreas Schwab <schwab@suse.de>
269 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
271 2019-10-18 Jonathan Wakely <jwakely@redhat.com>
274 * libsupc++/new_opa.cc (operator new) [__APPLE__]: Increase alignment
275 to at least sizeof(void*).
277 * include/bits/range_cmp.h (ranges::less::operator()): Inline the
278 logic from std::less::operator() to remove the dependency on it.
280 2019-10-17 Jonathan Wakely <jwakely@redhat.com>
282 * doc/doxygen/user.cfg.in (INPUT): Add new C++17 and C++20 headers.
284 * include/Makefile.am: Add new header.
285 * include/Makefile.in: Regenerate.
286 * include/bits/range_cmp.h: New header for C++20 function objects.
287 * include/std/functional: Include new header.
288 * testsuite/20_util/function_objects/identity/1.cc: New test.
289 * testsuite/20_util/function_objects/range.cmp/equal_to.cc: New test.
290 * testsuite/20_util/function_objects/range.cmp/greater.cc: New test.
291 * testsuite/20_util/function_objects/range.cmp/greater_equal.cc: New
293 * testsuite/20_util/function_objects/range.cmp/less.cc: New test.
294 * testsuite/20_util/function_objects/range.cmp/less_equal.cc: New test.
295 * testsuite/20_util/function_objects/range.cmp/not_equal_to.cc: New
299 * include/bits/forward_list.h
300 (_M_move_assign(forward_list&&, false_type)): Do not use
301 __make_move_if_noexcept, instead move unconditionally.
302 * include/bits/stl_deque.h (_M_move_assign2(deque&&, false_type)):
304 * include/bits/stl_list.h (_M_move_assign(list&&, false_type)):
306 * include/bits/stl_vector.h (_M_move_assign(vector&&, false_type)):
308 * testsuite/23_containers/vector/92124.cc: New test.
310 2019-10-16 Jonathan Wakely <jwakely@redhat.com>
312 * include/bits/c++config (_GLIBCXX_BUILTIN_IS_SAME_AS): Define to
313 one of __is_same_as or __is_same when available.
314 * include/std/concepts (__detail::__same_as): Use std::is_same_v.
315 * include/std/type_traits (is_same) [_GLIBCXX_BUILTIN_IS_SAME_AS]:
316 Use new macro instead of __is_same_as.
317 (is_same) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Restore partial
319 (is_same_v) [_GLIBCXX_BUILTIN_IS_SAME_AS]: Use new macro.
320 (is_same_v) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Use std::is_same.
322 2019-10-16 François Dumont <fdumont@gcc.gnu.org>
324 * src/c++11/debug.cc (print_field): Replace constness_names <unknown>
325 entry with <unknown constness>. Replace state_names <unknown> entry with
328 2019-10-11 Jonathan Wakely <jwakely@redhat.com>
330 * include/Makefile.am: Add new header.
331 * include/Makefile.in: Regenerate.
332 * include/precompiled/stdc++.h: Include <concepts>.
333 * include/std/concepts: New header for C++20.
334 * include/std/version (__cpp_lib_concepts): Define.
335 * scripts/create_testsuite_files: Look for test files in new std
337 * testsuite/libstdc++-dg/conformance.exp: Likewise.
338 * testsuite/std/concepts/concepts.callable/invocable.cc: New test.
339 * testsuite/std/concepts/concepts.callable/regular_invocable.cc: New
341 * testsuite/std/concepts/concepts.callable/relation.cc: New test.
342 * testsuite/std/concepts/concepts.callable/strictweakorder.cc: New
344 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
345 floating_point.cc: New test.
346 * testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc:
348 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
349 signed_integral.cc: New test.
350 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
351 unsigned_integral.cc: New test.
352 * testsuite/std/concepts/concepts.lang/concept.assignable/1.cc: New
354 * testsuite/std/concepts/concepts.lang/concept.common/1.cc: New test.
355 * testsuite/std/concepts/concepts.lang/concept.commonref/1.cc: New
357 * testsuite/std/concepts/concepts.lang/concept.constructible/1.cc:
359 * testsuite/std/concepts/concepts.lang/concept.convertible/1.cc:
361 * testsuite/std/concepts/concepts.lang/concept.copyconstructible/1.cc:
363 * testsuite/std/concepts/concepts.lang/concept.defaultconstructible/
365 * testsuite/std/concepts/concepts.lang/concept.derived/1.cc:
367 * testsuite/std/concepts/concepts.lang/concept.destructible/1.cc:
369 * testsuite/std/concepts/concepts.lang/concept.moveconstructible/1.cc:
371 * testsuite/std/concepts/concepts.lang/concept.same/1.cc:
373 * testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc:
375 * testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc:
377 * testsuite/std/concepts/concepts.lang/concept.swappable/
378 swappable_with.cc: New test.
379 * testsuite/std/concepts/concepts.object/copyable.cc: New test.
380 * testsuite/std/concepts/concepts.object/movable.cc: New test.
381 * testsuite/std/concepts/concepts.object/regular.cc: New test.
382 * testsuite/std/concepts/concepts.object/semiregular.cc: New test.
384 * include/std/type_traits (is_same): Replace partial specialization
385 by using __is_same_as built-in in primary template.
386 (is_same_v): Use __is_same_as built-in instead of instantiating the
390 * include/tr2/dynamic_bitset (__dynamic_bitset_base): Define all
391 special member functions as defaulted. Add noexcept to most members.
392 (__dynamic_bitset_base(size_t, unsigned long long, const _Alloc&)):
393 Mask off unwanted bits in the __val parameter. Avoid undefined left
395 (__dynamic_bitset_base::_M_assign): Remove.
396 (__dynamic_bitset_base::_M_do_reset): Use std::fill.
397 (__dynamic_bitset_base::_M_are_all_aux): Avoid integer promotion when
398 block_type has lower rank than int.
399 (dynamic_bitset): Add noexcept to most members. Use injected-class-name
400 in return types and parameter types.
401 (dynamic_bitset::_M_Nb): Add default member initializer.
402 (dynamic_bitset(), dynamic_bitset(const dynamic_bitset&)): Define as
404 (dynamic_bitset(dynamic_bitset&&)): Clear source object after move.
405 (dynamic_bitset::operator=(const dynamic_bitset&)): Define as
407 (dynamic_bitset::operator=(dynamic_bitset&&)): Add noexcept-specifier.
408 Define without using swap, to propagate allocator correctly.
409 (dynamic_bitset(const char*, const _Alloc&)): Use strlen.
410 (dynamic_bitset::_M_do_sanitize, dynamic_bitset::_M_do_fill): Use
411 casts to avoid unwanted integer promotions.
412 (dynamic_bitset::_M_copy_from_ptr): Rearrange template parameters and
413 add default template arguments and default argument to simplify usage.
414 (dynamic_bitset::_M_copy_from_string): Adjust call to _M_copy_from_ptr.
415 (operator==(const dynamic_bitset&, const dynamic_bitset&))
416 (operator<(const dynamic_bitset&, const dynamic_bitset&)): Use _M_Nb.
417 * include/tr2/dynamic_bitset.tcc (dynamic_bitset::_M_copy_from_ptr):
418 Adjust template parameters to match declaration.
419 * testsuite/tr2/dynamic_bitset/cmp.cc: New test.
420 * testsuite/tr2/dynamic_bitset/cons.cc: New test.
421 * testsuite/tr2/dynamic_bitset/copy.cc: New test.
422 * testsuite/tr2/dynamic_bitset/move.cc: New test.
423 * testsuite/tr2/dynamic_bitset/pr92059.cc: New test.
425 * include/bits/charconv.h (__to_chars_len): Avoid -Wsign-compare
428 2019-10-10 Jonathan Wakely <jwakely@redhat.com>
431 * src/c++98/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]
432 (find_ldbl_sync_facet): Fix parameter type and missing return.
434 2019-10-09 Marek Polacek <polacek@redhat.com>
436 PR c++/91364 - P0388R4: Permit conversions to arrays of unknown bound.
437 PR c++/69531 - DR 1307: Differently bounded array parameters.
438 PR c++/88128 - DR 330: Qual convs and pointers to arrays of pointers.
439 * testsuite/23_containers/span/lwg3255.cc: Adjust test to match the
440 post-P0388R4 behavior.
442 2019-10-09 Jonathan Wakely <jwakely@redhat.com>
445 * src/c++98/locale.cc (locale::id::_M_id()) [__GTHREADS]: Use atomic
446 compare-exchange or double-checked lock to ensure only one thread sets
447 the _M_index variable.
448 [_GLIBCXX_LONG_DOUBLE_COMPAT]: Call find_ldbl_sync_facet to detect
449 facets that share another facet's ID.
450 [_GLIBCXX_LONG_DOUBLE_COMPAT] (find_ldbl_sync_facet): New function.
453 * src/c++98/locale_init.cc (locale::classic()): Do not construct a new
454 locale object for every call.
455 (locale::_S_initialize_once()): Construct C locale here.
457 2019-10-08 Jonathan Wakely <jwakely@redhat.com>
459 * doc/Makefile.am (doc-html-docbook-regenerate): New target.
460 (${docbook_outdir}/html): Do not create unused 'html/ext' directory.
461 * doc/Makefile.in: Regenerate.
462 * doc/xml/manual/documentation_hacking.xml: Document new target.
463 * doc/html/*: Regenerate.
465 * doc/xml/manual/allocator.xml: Use archived copy of CUJ article.
466 * doc/html/*: Regenerate.
468 2019-10-06 François Dumont <fdumont@gcc.gnu.org>
470 * include/bits/stl_algo.h
471 (__copy_n_a(_IIte, _Size, _OIte)): New.
472 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New declaration.
473 (__copy_n(_IIte, _Size, _OIte, input_iterator_tag)): Adapt to use
475 * include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
476 std::__copy_n_a friend.
477 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New.
478 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1.cc: New.
479 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1_neg.cc: New.
480 * testsuite/25_algorithms/copy_n/istreambuf_iterator/2_neg.cc: New.
482 * include/bits/stl_iterator_base_types.h (__iterator_category_t): Define
484 (_RequireInputIte): Likewise and use __enable_if_t.
485 * include/std/numeric
486 (__is_random_access_iter): Use __iterator_category_t.
488 * include/bits/stl_algo.h (copy_n): Add __glibcxx_requires_can_increment
490 * testsuite/25_algorithms/copy_n/debug/1_neg.cc: New.
491 * testsuite/25_algorithms/copy_n/debug/2_neg.cc: New.
493 2019-10-04 François Dumont <fdumont@gcc.gnu.org>
495 * include/debug/forward_list
496 (_Sequence_traits<__debug::forward_list<>>::_S_size): Returns __dp_sign
497 distance when not empty.
498 * include/debug/list (_Sequence_traits<__debug::list<>>::_S_size):
500 * include/debug/helper_functions.h (__dp_sign_max_size): New
501 _Distance_precision enum entry.
502 (__valid_range_aux(_IIte, _IIte, _Distance_traits<>::__type,
503 __false_type)): Adapt.
504 * include/debug/safe_iterator.tcc
505 (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator&)): Review
506 distance computation.
508 2019-10-04 Jonathan Wakely <jwakely@redhat.com>
512 * configure.ac: Use AC_SYS_LARGEFILE to enable 64-bit file APIs.
513 * config.h.in: Regenerate:
514 * configure: Regenerate:
515 * include/Makefile.am (${host_builddir}/largefile-config.h): New
516 target to generate config header for filesystem library.
517 (${host_builddir}/c++config.h): Rename macros for large file support.
518 * include/Makefile.in: Regenerate.
519 * src/c++17/fs_dir.cc: Include new config header.
520 * src/c++17/fs_ops.cc: Likewise.
521 (filesystem::file_size): Use uintmax_t for size.
522 * src/filesystem/dir.cc: Include new config header.
523 * src/filesystem/ops.cc: Likewise.
524 (experimental::filesystem::file_size): Use uintmax_t for size.
526 * testsuite/util/testsuite_abi.h: Use std::unordered_map instead of
527 std::tr1::unordered_map.
528 * testsuite/util/testsuite_allocator.h: Likewise.
530 * include/tr1/hashtable.h: Add header for __gnu_cxx::__alloc_traits.
532 * include/tr1/hashtable.h (tr1::_Hashtable::_M_allocate_node): Use
533 __gnu_cxx::__alloc_traits for allocator construct function.
534 (tr1::_Hashtable::_M_deallocate_node): Likewise for destroy function.
536 * include/precompiled/stdc++.h: Include <span> for C++20.
537 * testsuite/17_intro/names.cc: Do not define 'e' for C++20.
539 2019-10-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
541 * include/parallel/multiway_merge.h (_RAIter3): Replace _C by _Cp.
543 2019-10-02 Jonathan Wakely <jwakely@redhat.com>
545 * config/abi/pre/gnu.ver: Tighten up greedy wildcards.
547 * doc/xml/manual/parallel_mode.xml: Add caveat about support for
549 * doc/html/*: Regenerate.
551 2019-10-01 Jonathan Wakely <jwakely@redhat.com>
553 * include/experimental/algorithm (experimental::sample): Qualify call
554 to __sample correctly.
555 * include/parallel/algo.h (sample, for_each_n): Add using-declarations
556 for algorithms that don't have parallel implementations.
558 * include/parallel/algobase.h (equal, lexicographical_compare): Add
559 _GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
561 * include/parallel/algorithmfwd.h (equal, lexicographical_compare):
562 Add _GLIBCXX20_CONSTEXPR.
564 * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
566 * testsuite/20_util/hash/84998.cc: Likewise.
567 * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
568 * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
569 * testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
570 * testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
571 * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
572 * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
573 * testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
574 * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
576 * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
578 * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
580 * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
582 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
584 * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
585 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
586 * testsuite/25_algorithms/copy/86658.cc: Likewise.
587 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
588 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
589 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
590 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
592 * include/parallel/algo.h: Replace non-reserved names.
593 * include/parallel/multiway_merge.h: Likewise.
594 * include/parallel/multiway_mergesort.h: Likewise.
595 * include/parallel/numericfwd.h: Likewise.
596 * testsuite/17_intro/names.cc: Add RAI to test macros.
598 2019-09-30 François Dumont <fdumont@gcc.gnu.org>
600 * include/debug/array: Add C++20 constexpr to comparison operators.
601 * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
602 dg-error line numbers.
603 * testsuite/23_containers/array/tuple_interface/
604 tuple_element_debug_neg.cc: Likewise.
606 2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
608 * include/experimental/internet: Include netinet/in.h if we have
609 _GLIBCXX_HAVE_NETINET_IN_H defined.
611 * testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
612 FreeBSD warning about lower advertised precision of tgammal.
613 * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
614 * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
615 * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
616 * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
617 * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
618 * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
619 * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
620 * testsuite/tr1/5_numerical_facilities/special_functions/
621 08_cyl_bessel_i/check_nan.cc: Likewise.
622 * testsuite/tr1/5_numerical_facilities/special_functions/
623 09_cyl_bessel_j/check_nan.cc: Likewise.
624 * testuite/tr1/5_numerical_facilities/special_functions/
625 10_cyl_bessel_k/check_nan.cc: Likewise.
626 * testsuite/tr1/5_numerical_facilities/special_functions/
627 11_cyl_neumann/check_nan.cc: Likewise.
628 * testsuite/tr1/5_numerical_facilities/special_functions/
629 21_sph_bessel/check_nan.cc: Likewise.
630 * testsuite/tr1/5_numerical_facilities/special_functions/
631 23_sph_neumann/check_nan.cc: Likewise.
633 2019-09-30 Jonathan Wakely <jwakely@redhat.com>
635 * include/std/span (span(element_type(&)[N]))
636 (span(array<value_type, N>&), span(const array<value_type, N>&)):
637 Deduce array element type to allow safe const conversions (LWG 3255).
638 [!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
639 remove_cv_t on arguments to __is_std_span and __is_std_array.
640 * testsuite/23_containers/span/lwg3255.cc: New test.
643 * include/parallel/checkers.h (__is_sorted): Remove unused variable.
645 2019-09-28 François Dumont <fdumont@gcc.gnu.org>
647 * include/bits/stl_algo.h (merge): Fix documentation.
648 * include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
649 (__check_sorted): Likewise and remove nested irreflexive check.
650 (__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
651 (__check_partitioned_lower, __check_partitioned_upper): Likewise.
652 (_Irreflexive_checker::_S_is_valid): Likewise.
653 (__is_irreflexive, __is_irreflexive_pred): Likewise.
654 * include/debug/helper_functions.h (__get_distance): Add constexpr.
655 (__valid_range_aux): Add C++20 constexpr.
656 (__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
657 Likewise and add std::is_constant_evaluated check.
658 (__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
659 (__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
660 (__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
662 (__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
663 __builtin_is_contant_evaludated check..
664 (__can_advance, __base): Add constexpr.
665 * include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
666 (_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
667 (__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
668 (__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
669 * testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
671 * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
672 * testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
673 lambda to be irreflexive.
675 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
677 * configure: Regenerate.
679 2019-09-27 Jonathan Wakely <jwakely@redhat.com>
682 * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
683 atomically and lock the mutex before accessing the sequence.
684 (_Safe_local_iterator_base::_M_detach()): Likewise.
685 (_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
687 2019-09-26 Jonathan Wakely <jwakely@redhat.com>
689 * include/debug/array (to_array): Define for debug mode.
691 * include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
692 piecewise construction constructor, assignment operators, and swap.
693 * include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
694 Add _GLIBCXX20_CONSTEXPR.
695 (pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
696 * testsuite/20_util/pair/constexpr_assign.cc: New test.
697 * testsuite/20_util/pair/constexpr_swap.cc: New test.
699 * include/experimental/internet (operator==, operator<): Fix loop
700 condition to avoid reading past the end of the array.
702 * include/std/array: Remove references to profile mode.
703 * include/std/bitset: Likewise.
704 * include/std/deque: Likewise.
705 * include/std/forward_list: Likewise.
706 * include/std/list: Likewise.
707 * include/std/map: Likewise.
708 * include/std/set: Likewise.
709 * include/std/unordered_map: Likewise.
710 * include/std/unordered_set: Likewise.
711 * include/std/vector: Likewise.
712 * testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
713 * testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
715 2019-09-25 Jonathan Wakely <jwakely@redhat.com>
717 * include/bits/regex.h
718 (basic_regex::assign(const C*, size_t, flag_type)): Add default
720 * testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
721 * testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
723 2019-09-24 Jonathan Wakely <jwakely@redhat.com>
725 * include/std/variant (variant::index()): Remove impossible case.
728 * testsuite/util/testsuite_hooks.h
729 (conversion::iterator_to_const_iterator()): Do not return an invalid
730 iterator. Test direct-initialization and direct-list-initialization
731 as well as implicit conversion.
733 2019-09-23 Jonathan Wakely <jwakely@redhat.com>
735 PR libstdc++/91788 (partial)
736 * include/std/variant (variant::index()): Improve codegen for cases
737 where conversion to size_t already works correctly.
739 2019-09-23 Andreas Schwab <schwab@suse.de>
741 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
743 2019-09-12 Jonathan Wakely <jwakely@redhat.com>
746 * include/bits/stl_algo.h (for_each_n): Fix random access iterator
748 * testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
751 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
753 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
756 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
757 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
758 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
761 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
763 * include/std/type_traits (__do_common_type_impl): Implement
764 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
765 (basic_common_reference, common_reference, common_reference_t): Define
767 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
769 * testsuite/20_util/common_reference/requirements/
770 explicit_instantiation.cc: New test.
771 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
774 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
775 non-template overloads for each signed and unsigned integer type and
776 char. Define deleted overload for bool (LWG 3266).
777 * testsuite/20_util/to_chars/1_neg.cc: Remove.
778 * testsuite/20_util/to_chars/3.cc: New test.
779 * testsuite/20_util/to_chars/lwg3266.cc: New test.
781 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
783 * acinclude.m4: Handle uclinux*.
784 * configure: Regenerate.
785 * configure.host: Handle uclinux*
787 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
788 Mickaël Guêné <mickael.guene@st.com>
790 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
793 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
796 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
797 0ul being a valid null pointer constant.
799 * include/std/type_traits (__remove_cv_t): New alias template.
800 (is_void, is_integral, is_floating_point, is_pointer)
801 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
802 (is_member_point), __is_signed_integer, __is_unsigned_integer)
803 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
804 (__decay_selector): Use __remove_cv_t.
805 (remove_cv): Add partial specializations for cv-qualified types.
806 (__decay_t): New alias template.
807 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
809 (__enable_if_t): Move earlier in the file.
810 (_Require): Use __enable_if_t.
811 (swap(T&, T&)): Use _Require.
812 (swap(T(&)[N])): Use __enable_if_t.
814 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
816 Implement C++20 p1424 - 'constexpr' feature macro concerns,
817 Issue 3256 - Feature testing macro for constexpr algorithms,
818 and Issue 3257 - Missing feature testing macro update from P0858.
819 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
820 * include/bits/algorithmfwd.h: Ditto.
821 * include/std/utility: Ditto.
822 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
823 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
824 __cpp_lib_constexpr macro in <algorith>.
825 * testsuite/20_util/exchange/constexpr.cc: Add check for
826 __cpp_lib_constexpr macro in <utility>.
827 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
828 __cpp_lib_constexpr_algorithms.
829 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
830 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
831 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
832 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
833 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
834 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
835 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
836 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
837 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
838 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
839 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
840 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
841 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
842 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
843 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
844 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
845 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
846 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
847 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
848 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
849 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
850 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
851 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
852 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
853 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
854 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
855 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
856 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
857 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
858 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
859 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
860 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
861 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
862 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
863 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
864 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
865 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
866 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
867 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
868 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
869 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
870 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
871 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
872 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
873 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
874 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
875 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
876 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
877 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
878 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
879 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
880 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
881 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
883 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
885 Update docs for recent <span> and constexpr lib changes.
886 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
887 p1023r0, p1085r2 status.
888 * doc/html/manual/status.html: Regenerate.
890 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
892 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
893 final offsets with constants.
895 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
897 * include/bits/range_access.h (__adl_to_address): Remove.
898 * include/std/span (__is_base_derived_safe_convertible_v): Replace
899 with span::__is_compatible.
900 (__is_std_array_v): Replace with __is_std_array class template and
901 partial specializations.
902 (__is_std_array, __is_std_span): New class templates and partial
904 (span::__is_compatible): New alias template for SFINAE constraints.
905 (span::span(element_type (&)[N])): Remove redundant constraints. Do
906 not use __adl_data to obtain a pointer.
907 (span::span(array<value_type, N>&)): Likewise.
908 (span::span(const array<value_type, N>&)): Likewise.
909 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
910 (span::iter_value_t, span::derived_from): New alias templates for
911 SFINAE constraints, until the equivalents are supported in <concepts>
913 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
914 for SFINAE constraints.
915 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
917 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
918 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
919 Use std::to_address instead of __adl_to_address.
920 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
921 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
922 template for SFINAE constraints.
923 [!_GLIBCXX_P1394] (span::span(Container&))
924 (span::span(const Container&)): Improve constraints.
925 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
926 (span::span(pointer, pointer)): Remove redundant cast of pointer.
927 (span(const span<OType, OExtent>&)): New constructor.
929 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
931 * include/bits/range_access.h (ssize): Define for C++20.
932 * testsuite/24_iterators/range_access_cpp20.cc: New test.
933 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
934 * doc/html/*: Regenerate.
936 2019-09-06 Florian Weimer <fweimer@redhat.com>
938 * configure: Regenerate.
940 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
942 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
943 P1024R3. Remove entry for P0920R2.
944 * include/std/span (__cpp_lib_span): Change value.
945 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
947 (span): Replace __extent_storage base class with data member.
948 (span::_S_subspan_extent): New function.
949 (span::empty()): Add nodiscard attribute.
950 (span::front, span::back, span::operator[]): Check preconditions.
951 (span::first, span::last, span::subspan): Add noexcept. Improve
952 precondition checks (LWG 3103).
953 (get): Remove redundant condition from static_assert.
954 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
955 (as_writable_bytes): Add inline specifier.
956 * include/std/version (__cpp_lib_span): Change value.
957 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
958 * testsuite/23_containers/span/front_neg.cc: Likewise.
959 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
960 * testsuite/23_containers/span/last_neg.cc: Improve test.
961 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
962 * testsuite/23_containers/span/1.cc: New test.
963 * testsuite/23_containers/span/2.cc: New test.
964 * testsuite/23_containers/span/back_assert_neg.cc: New test.
965 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
966 * testsuite/23_containers/span/first_assert_neg.cc: New test.
967 * testsuite/23_containers/span/first_neg.cc: New test.
968 * testsuite/23_containers/span/front_assert_neg.cc: New test.
969 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
970 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
971 * testsuite/23_containers/span/last_assert_neg.cc: New test.
972 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
973 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
974 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
975 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
976 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
977 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
979 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
981 * include/Makefile.am: Add <span> header.
982 * include/Makefile.in: Regenerate.
983 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
984 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
985 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
986 New functions for performing argument-dependent lookup of range
987 customization points.
988 * include/bits/stl_iterator.h (__normal_iterator): Add
989 _GLIBCXX20_CONSTEXPR to all functions.
990 * include/std/span: New header.
991 * include/std/version (__cpp_lib_span): Define feature test macro.
992 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
993 * testsuite/23_containers/span/everything.cc: New test.
994 * testsuite/23_containers/span/get_neg.cc: New test.
995 * testsuite/23_containers/span/last_neg.cc: New test.
996 * testsuite/23_containers/span/subspan_neg.cc: New test.
997 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
998 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
999 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
1001 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
1003 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
1004 * doc/html/*: Regenerate.
1006 2019-09-04 Mike Crowe <mac@mcrowe.com>
1009 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
1010 pthread_cond_clockwait function.
1011 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
1012 * configure: Regenerate.
1013 * config.h.in: Regenerate.
1014 * include/std/condition_variable: (condition_variable): Rename
1015 __steady_clock_t typedef and add system_clock. Change __clock_t to be
1016 a typedef for the preferred clock to convert arbitrary other clocks to.
1017 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
1019 (wait_until): Change __clock_t overload to use system_clock.
1020 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
1021 steady_clock overload that calls pthread_cond_clockwait.
1022 (__wait_until_impl): Change __clock_t overload to use system_clock.
1023 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
1024 steady_clock for __clock_t if pthread_cond_clockwait is available.
1026 2019-09-04 Mike Crowe <mac@mcrowe.com>
1028 * testsuite/30_threads/condition_variable/members/2.cc (test01):
1029 Parameterise so that test can be run against an arbitrary clock.
1030 (main): Test using std::chrono::steady_clock and a user-defined
1031 clock in addition to the previous std::chrono::system_clock.
1032 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1034 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
1036 * crossconfig.m4: Remove references to spu.
1037 * configure: Regenerate.
1038 * doc/xml/manual/appendix_contributing.xml: Remove references
1039 to __ea as "badword" for spu.
1040 * doc/html/manual/source_code_style.html: Regenerate.
1041 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
1042 to avoid __ea (as "badword" for spu).
1043 (__ellint_rj): Likewise.
1045 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
1048 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
1049 scanning to conform to the GNU Coding Standards.
1050 * configure: Regenerate.
1052 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1054 * src/c++17/memory_resource.cc: Use __constinit keyword.
1056 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1058 * doc/xml/manual/abi.xml: Document 9.x library versions.
1059 * doc/html/*: Regenerate.
1061 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1063 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
1064 (__detail::__to_chars_8_len): Remove.
1065 (__detail::__to_chars_8): Inline length calculation here.
1066 (__detail::__from_chars_binary): Use numeric_limits instead of
1069 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1071 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
1072 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
1073 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
1074 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
1077 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
1079 * testsuite_files/util/testsuite_performance.h
1080 (resource_counter::start): Ignore unused malloc(0) result.
1082 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
1084 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
1085 Model Object Technologies): Adjust name and link.
1087 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
1089 * include/std/charconv (__detail::__to_chars_8)
1090 __detail::__to_chars_16): Replace array of precomputed digits with
1091 arithmetic operations to avoid CPU cache misses. Remove zero
1092 termination from array of digits to allow symbol merge with generic
1093 implementation of __detail::__to_chars. Replace final offsets with
1094 constants. Use __detail::__to_chars_len_2 instead of a generic
1095 __detail::__to_chars_len.
1096 (__detail::__to_chars): Remove zero termination from array of digits.
1097 (__detail::__to_chars_2): Leading digit is always '1'.
1099 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1101 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
1103 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
1105 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1107 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1110 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
1111 to template parameters.
1112 * include/bits/stl_uninitialized.h (uninitialized_copy)
1113 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
1114 diagnose invalid uses.
1115 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1116 Adjust expected error.
1117 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
1119 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
1121 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
1123 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
1125 * testsuite/23_containers/vector/cons/89164.cc: New test.
1126 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
1128 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
1131 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
1132 * configure: Regenerate.
1133 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
1135 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
1137 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1139 2019-08-29 Jakub Jelinek <jakub@redhat.com>
1141 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1142 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1144 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
1146 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1147 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1148 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1149 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1150 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1151 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1152 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1154 2019-08-23 Joseph Myers <joseph@codesourcery.com>
1156 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
1157 (std::filesystem::__gnu_posix::lstat): Add return type.
1159 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
1161 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
1163 * include/std/numeric (reduce): Fix Doxygen markup.
1166 * include/std/type_traits (is_function): Simplify definition. Remove
1167 partial specializations for function types.
1168 (__is_referenceable): Simplify definition.
1169 * testsuite/20_util/bind/91371.cc: New test.
1170 * testsuite/20_util/is_function/91371.cc: New test.
1171 * testsuite/20_util/is_function/value.cc: Check more pointer types.
1172 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
1173 * testsuite/20_util/is_object/91371.cc: New test.
1175 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
1177 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1179 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
1182 * include/bits/std_function.h (__check_func_return_type): Remove.
1183 (function::_Callable): Use std::__is_invocable_impl instead of
1184 __check_func_return_type.
1185 * include/std/type_traits (__is_invocable_impl): Add another defaulted
1186 template parameter. Define a separate partial specialization for
1187 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
1188 with a check that models delayed temporary materialization.
1189 * testsuite/20_util/function/91456.cc: New test.
1190 * testsuite/20_util/is_invocable/91456.cc: New test.
1192 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
1194 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
1196 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
1198 Implement C++20 p0879 - Constexpr for swap and swap related functions.
1199 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
1200 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
1202 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
1203 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
1204 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
1205 * include/bits/move.h (swap): Add constexpr.
1206 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
1207 (__gcd, __rotate, rotate, __partition, __heap_select)
1208 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
1209 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
1210 (__introselect, __chunk_insertion_sort, next_permutation)
1211 (prev_permutation, partition, partial_sort, nth_element, sort)
1212 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
1213 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
1214 (swap_ranges): Add constexpr.
1215 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
1216 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
1218 * include/std/type_traits (swap): Add constexpr.
1219 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
1220 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
1221 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
1222 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
1223 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
1224 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
1225 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
1226 * testsuite/25_algorithms/partition/constexpr.cc: New test.
1227 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
1228 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
1229 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
1230 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
1231 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
1232 * testsuite/25_algorithms/sort/constexpr.cc: New test.
1233 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
1234 * testsuite/25_algorithms/swap/constexpr.cc: New test.
1235 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
1237 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
1240 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
1242 * include/std/tuple (__unpack_std_tuple): New variable template and
1243 partial specializations.
1244 (apply, make_from_tuple): Add noexcept-specifier.
1245 * testsuite/20_util/tuple/apply/2.cc: New test.
1246 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
1248 2019-08-09 Corentin Gay <gay@adacore.com>
1250 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
1251 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
1252 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
1253 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
1254 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
1255 Add call to `VERIFY`.
1257 2019-08-09 Alexandre Oliva <oliva@adacore.com>
1259 * include/ext/random
1260 (normal_mv_distribution::param_type::param_type): New private
1261 ctor taking a decomposed varcov matrix, for use by...
1262 (operator>>): ... this, befriended.
1263 * include/ext/random.tcc (operator>>): Use it.
1264 (normal_mv_distribution::param_type::_M_init_lower): Adjust
1265 member function name in exception message.
1267 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
1269 P0325R4 to_array from LFTS with updates
1270 * include/experimental/array (to_array): Qualify call to __to_array.
1271 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
1272 * include/std/version (__cpp_lib_to_array): Likewise.
1273 * testsuite/23_containers/array/creation/1.cc: New test.
1274 * testsuite/23_containers/array/creation/2.cc: New test.
1275 * testsuite/23_containers/array/creation/3_neg.cc: New test.
1276 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
1277 Use zero for dg-error line number.
1279 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
1281 P1651R0 bind_front should not unwrap reference_wrapper
1282 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
1283 * include/std/version (__cpp_lib_bind_front): Update value.
1284 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
1286 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
1288 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
1289 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
1290 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
1291 specializations for __float128.
1292 * testsuite/26_numerics/numbers/float128.cc: New test.
1294 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
1296 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
1299 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
1301 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
1302 in <algorithm> and <utility> Headers.
1303 Implement C++20 p1023 - constexpr comparison operators for std::array.
1304 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
1305 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
1306 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
1307 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
1308 none_of, partition_copy, partition_point, remove, remove_if,
1309 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
1310 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
1311 count_if, equal, find, find_first_of, find_if, for_each, generate,
1312 generate_n, lexicographical_compare, merge, mismatch, replace,
1313 replace_if, search, search_n, set_difference, set_intersection,
1314 set_symmetric_difference, set_union, transform, unique_copy):
1316 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
1317 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
1318 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
1319 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
1320 Use const ref instead of ref arg;
1321 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
1322 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
1323 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
1324 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
1325 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
1326 __iter_comp_iter): Mark constexpr.
1327 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
1328 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
1329 none_of, any_of, find_if_not, is_partitioned, partition_point,
1330 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
1331 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
1332 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
1333 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
1334 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
1335 __equal_range, equal_range, binary_search, __includes, includes,
1336 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
1337 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
1338 is_sorted_until, __is_permutation, is_permutation, for_each, find,
1339 find_if, find_first_of, adjacent_find, count, count_if, search,
1340 search_n, transform, replace, replace_if, generate, generate_n,
1341 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
1342 set_intersection, __set_difference, set_difference,
1343 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
1344 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
1345 wrappers around __builtin_memmove and __builtin_memcmp
1347 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
1348 copy, move, __copy_move_b, __copy_move_backward_a,
1349 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
1350 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
1351 __lexicographical_compare_impl, __lexicographical_compare,
1352 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
1353 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
1354 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
1355 is_heap): Mark constexpr.
1356 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
1357 is_heap): Mark constexpr.
1358 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
1359 * include/std/array: Make comparison ops constexpr.
1360 * include/std/utility: Make exchange constexpr.
1361 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
1362 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
1363 * testsuite/23_containers/array/tuple_interface/
1364 tuple_element_neg.cc: Adjust.
1365 * testsuite/20_util/exchange/constexpr.cc: New.
1366 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
1367 * testsuite/25_algorithms/constexpr_macro.cc: New.
1368 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
1369 * testsuite/25_algorithms/all_of/constexpr.cc: New.
1370 * testsuite/25_algorithms/any_of/constexpr.cc: New.
1371 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
1372 * testsuite/25_algorithms/copy/constexpr.cc: New.
1373 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
1374 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
1375 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
1376 * testsuite/25_algorithms/count/constexpr.cc: New.
1377 * testsuite/25_algorithms/count_if/constexpr.cc: New.
1378 * testsuite/25_algorithms/equal/constexpr.cc: New.
1379 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
1380 * testsuite/25_algorithms/fill/constexpr.cc: New.
1381 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
1382 * testsuite/25_algorithms/find/constexpr.cc: New.
1383 * testsuite/25_algorithms/find_end/constexpr.cc: New.
1384 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
1385 * testsuite/25_algorithms/find_if/constexpr.cc: New.
1386 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
1387 * testsuite/25_algorithms/for_each/constexpr.cc: New.
1388 * testsuite/25_algorithms/generate/constexpr.cc: New.
1389 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
1390 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
1391 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
1392 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
1393 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
1394 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
1395 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
1396 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
1397 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
1398 * testsuite/25_algorithms/merge/constexpr.cc: New.
1399 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
1400 * testsuite/25_algorithms/none_of/constexpr.cc: New.
1401 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
1402 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
1403 * testsuite/25_algorithms/remove/constexpr.cc: New.
1404 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
1405 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
1406 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
1407 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
1408 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
1409 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
1410 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
1411 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
1412 * testsuite/25_algorithms/search/constexpr.cc: New.
1413 * testsuite/25_algorithms/search_n/constexpr.cc: New.
1414 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
1415 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
1416 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
1417 * testsuite/25_algorithms/set_union/constexpr.cc: New.
1418 * testsuite/25_algorithms/transform/constexpr.cc: New.
1419 * testsuite/25_algorithms/unique/constexpr.cc: New.
1420 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
1421 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
1423 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
1425 * include/std/memory (make_obj_using_allocator): Qualify call to
1426 uses_allocator_construction_args.
1428 P0631R4 Math Constants
1429 * include/Makefile.am: Add new header.
1430 * include/Makefile.in: Regenerate.
1431 * include/precompiled/stdc++.h: Include new header.
1432 * include/std/numbers: New header.
1433 * include/std/version (__cpp_lib_math_constants): Define.
1434 * testsuite/26_numerics/numbers/1.cc: New test.
1435 * testsuite/26_numerics/numbers/2.cc: New test.
1436 * testsuite/26_numerics/numbers/3.cc: New test.
1437 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
1439 * include/std/bit: Add Doxygen comments.
1442 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
1443 constraints on deleter that should only apply to the constructor.
1444 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
1445 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
1446 constraints on deleter here.
1447 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
1449 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
1452 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
1454 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
1456 * testsuite/18_support/51333.cc: New test.
1458 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
1460 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
1461 to the Doxygen manual. Avoid a "here" link on the way.
1462 Fix another broken link to Doxygen docblocks.
1464 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
1466 * include/std/bit (__cpp_lib_endian): Define.
1467 * include/std/version (__cpp_lib_endian): Define.
1468 * testsuite/26_numerics/endian/2.cc: New.
1469 * testsuite/26_numerics/endian/3.cc: New.
1470 * testsuite/26_numerics/endian/4.cc: New.
1472 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
1474 * testsuite/util/testsuite_iterators.h
1475 (bidirectional_iterator_wrapper): Fix type comment.
1476 (random_access_iterator_wrapper): Likewise.
1478 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
1480 * include/std/bit (endian): Move definition here as per P1612R1.
1481 * include/std/type_traits (endian): Remove definition from here.
1482 * testsuite/20_util/endian/1.cc: Rename to ...
1483 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
1485 2019-07-25 Martin Liska <mliska@suse.cz>
1486 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
1489 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
1490 -fno-allocation-dce.
1491 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
1492 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
1493 * testsuite/ext/new_allocator/check_new.cc: Likewise.
1495 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
1497 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
1498 * testsuite/26_numerics/bit/bit.count/*: Here.
1500 * include/std/bit (__rotl, __rotr): Change second parameter from
1501 unsigned int to int and handle negative values.
1502 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
1503 parameter from unsigned int to int. Add nodiscard attribute.
1504 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
1505 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
1507 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
1508 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
1511 * include/std/bit (__ceil2): Make unrepresentable results undefined,
1512 as per P1355R2. Add debug assertion. Perform one left shift, not two,
1513 so that out of range values cause undefined behaviour. Ensure that
1514 shift will still be undefined if left operand is promoted.
1515 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
1516 unrepresentable values with checks that they are not core constant
1518 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
1520 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
1522 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
1523 sized deallocation size computation.
1525 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
1527 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
1529 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
1531 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
1532 (~_Temporary_buffer()): Use latter.
1533 (_Temporary_buffer(_FIterator, size_type)): Likewise.
1535 2019-07-17 Andreas Schwab <schwab@suse.de>
1537 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1539 2019-07-16 Jason Merrill <jason@redhat.com>
1541 * include/std/memory (uses_allocator_construction_args): Add parens
1544 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
1546 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
1548 * include/experimental/string_view (__detail::__idt): Remove.
1549 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1550 Use __type_identity_t instead of __detail::__idt;
1551 * include/std/string_view (__detail::__idt): Remove.
1552 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1553 Use __type_identity_t instead of __detail::__idt;
1554 * include/std/type_traits (__type_identity_t): New alias template.
1556 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
1557 and floating point atomics.
1559 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
1561 * doc/xml/manual/configure.xml: Improve documentation of
1562 --enable-libstdcxx-time option.
1564 * include/bits/atomic_base.h (__atomic_impl): New namespace for
1565 wrappers around atomic built-ins.
1566 (__atomic_float, __atomic_ref): New class templates for use as base
1568 * include/std/atomic (atomic<float>, atomic<double>)
1569 (atomic<long double>): New explicit specializations.
1570 (atomic_ref): New class template.
1571 (__cpp_lib_atomic_ref): Define.
1572 * include/std/version (__cpp_lib_atomic_ref): Define.
1573 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
1574 * testsuite/29_atomics/atomic_float/1.cc: New test.
1575 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
1576 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
1577 * testsuite/29_atomics/atomic_ref/float.cc: New test.
1578 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
1579 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
1580 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
1581 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
1583 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
1585 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
1586 throw() with _GLIBCXX_NOTHROW.
1587 (__atomic_add_dispatch): Return after performing atomic increment.
1589 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
1591 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
1592 (__exchange_and_add): Replace static specifier with always_inline
1594 (__exchange_and_add_single, __atomic_add_single): Likewise.
1595 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
1596 combine !__gthread_active_p() and !__GTHREADS branches.
1598 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
1601 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
1602 * configure: Regenerate.
1603 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
1605 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
1606 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1608 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
1610 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
1611 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
1612 instead of __is_identifier to detect Clang support.
1614 2019-07-02 Jim Wilson <jimw@sifive.com>
1616 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
1618 * configure: Regenerate.
1620 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
1623 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
1624 for the what_arg parameters.
1625 (filesystem_error::filesystem_error): Pass system_error::what() to
1626 the _Impl constructor.
1627 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
1628 filesystem_error::what() contains system_error::what().
1630 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
1632 * include/std/charconv (chars_format): Define bitmask type.
1633 * testsuite/20_util/to_chars/chars_format.cc: New test.
1635 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
1636 * include/std/bit (_If_is_unsigned_integer_type): Remove.
1637 (_If_is_unsigned_integer): Use __is_unsigned_integer.
1638 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
1639 (countl_one(byte), countr_zero(byte), countr_one(byte))
1640 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
1641 (log2p1(byte)): Remove.
1642 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
1643 (__detail::__is_int_to_chars_type): Remove.
1644 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
1645 and __is_unsigned_integer.
1646 * include/std/type_traits (__is_one_of): Move here from <charconv>.
1647 (__is_signed_integer, __is_unsigned_integer): New helpers.
1648 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
1650 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
1651 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
1652 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
1653 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
1654 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1655 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1656 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1657 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1658 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
1659 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
1661 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
1663 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
1666 2019-06-25 Jakub Jelinek <jakub@redhat.com>
1668 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1669 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1670 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1671 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1673 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
1675 * include/std/numeric (midpoint(T, T)): Change implementation for
1676 floating-point types to avoid incorrect rounding of denormals.
1677 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
1678 rounding with denormals.
1679 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
1680 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1682 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
1684 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
1686 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
1688 * configure: Regenerate.
1690 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
1691 Qualify calls to __never_valueless.
1693 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
1694 C++17 working draft.
1696 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
1697 vector<bool> for test.
1698 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1700 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1702 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
1704 (istream_iterator::_M_read()): Do not check stream state before
1705 attempting extraction. Set stream pointer to null when extraction
1707 (operator==(const istream_iterator&, const istream_iterator&)): Change
1708 to be a hidden friend of istream_iterator.
1709 (operator!=(const istream_iterator&, const istream_iterator&)):
1711 (ostream_iterator::ostream_iterator()): Add default constructor.
1712 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
1714 * testsuite/24_iterators/istream_iterator/1.cc: New test.
1715 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
1716 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
1717 constructor taking a string.
1718 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
1721 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
1722 Jonathan Wakely <jwakely@redhat.com>
1725 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
1726 values of type bool for vector<bool> elements.
1727 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
1728 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1730 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1732 PR libstdc++/90920 partially revert r263433
1733 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
1734 (rotate): Remove checks.
1735 * testsuite/25_algorithms/rotate/90920.cc: New test.
1737 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
1738 category used in invocable check.
1739 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
1740 * testsuite/26_numerics/reduce/2.cc: New test.
1742 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
1744 * include/bits/algorithmfwd.h: Change title of doc group.
1745 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
1747 * include/bits/stl_numeric.h: Define doc group and add algos to it.
1748 * include/std/numeric (__is_random_access_iter): New internal trait.
1749 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
1750 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
1751 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
1752 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
1753 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
1754 * testsuite/26_numerics/reduce/1.cc: New test.
1755 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
1756 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
1757 * testsuite/26_numerics/transform_reduce/1.cc: New test.
1758 * testsuite/util/testsuite_iterators.h (test_container::size()): New
1761 * include/c_global/cstddef (std::byte): Perform arithmetic operations
1762 in unsigned int to avoid promotion (LWG 2950).
1764 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1766 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
1769 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
1771 PR libstdc++/90281 Fix string conversions for filesystem::path
1772 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1773 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
1774 __str_codecvt_in_all to fail for partial conversions and throw on
1776 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
1777 (path::_Cvt<char8_t>): Add explicit specialization.
1778 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
1780 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1781 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
1782 instead of codecvt_utf8. Use __str_codecvt_in_all and
1783 __str_codecvt_out_all.
1784 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1785 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1786 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1787 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1788 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
1789 after converting to UTF-8.
1790 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
1791 __str_codecvt_in_all.
1792 (path::string): Fix initialization of string types with different
1794 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1795 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1796 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
1798 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
1799 return false for partial conversions.
1800 * include/experimental/bits/fs_path.h (u8path):
1801 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
1802 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
1803 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
1804 instead of codecvt_utf8. Use __str_codecvt_in_all and
1805 __str_codecvt_out_all.
1806 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1807 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1808 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1809 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1810 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
1811 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1812 __str_codecvt_in_all.
1813 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1814 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1815 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
1816 __str_codecvt_in_all.
1817 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
1818 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
1819 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
1820 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
1821 strings and with Unicode characters outside the basic multilingual
1823 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
1824 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
1825 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
1826 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
1827 * testsuite/experimental/filesystem/path/native/string.cc: Test with
1828 empty strings and with Unicode characters outside the basic
1831 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
1832 Jonathan Wakely <jwakely@redhat.com>
1834 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
1835 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
1836 deallocate node if insertion fails.
1837 (_Hashtable::_M_insert_multi_node): Likewise.
1838 (_Hashtable::_M_reinsert_node): Pass additional key argument.
1839 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
1840 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
1841 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
1842 (_Hashtable::extract(const _Key&)): Likewise.
1843 (_Hashtable::_M_merge_unique): Pass additional key argument.
1844 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
1846 (_Hashtable::_M_insert): Likewise.
1847 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
1848 (_Hashtable_alloc): Add comments to functions with misleading names.
1850 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1852 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
1854 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
1855 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
1856 header for std::allocator.
1857 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
1858 using-declaration for std::size_t.
1859 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
1861 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
1863 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
1864 * testsuite/experimental/map/erasure.cc: Include <string> for
1866 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
1868 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
1870 * include/experimental/type_traits (experimental::nonesuch): Use
1871 pragma to disable -Wctor-dtor-privacy warnings.
1872 * include/std/type_traits (__is_convertible_helper<From, To, false>)
1873 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
1875 * include/std/version (__cpp_lib_bind_front): Add missing macro.
1877 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
1879 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
1880 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
1881 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
1882 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
1884 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
1885 (variant::emplace): Change static_assert messages from "should be"
1887 (hash<monostate>::operator()): Remove name of unused parameter.
1889 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
1892 * include/Makefile.am: Add new <bits/charconv.h> header.
1893 * include/Makefile.in: Regenerate.
1894 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
1895 (to_string(long), to_string(unsigned long), to_string(long long))
1896 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
1897 * include/bits/charconv.h: New header.
1898 (__detail::__to_chars_len): Move here from <charconv>.
1899 (__detail::__to_chars_10_impl): New function extracted from
1900 __detail::__to_chars_10.
1901 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
1902 (__to_chars_unsigned_type): New class template that reuses
1903 __make_unsigned_selector_base::__select to pick a type.
1904 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
1905 (__detail::__to_chars_len): Move to new header.
1906 (__detail::__to_chars_10): Add inline specifier. Move code doing the
1907 output to __detail::__to_chars_10_impl and call that.
1908 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
1909 * testsuite/21_strings/basic_string/numeric_conversions/char/
1910 to_string.cc: Fix reference in comment. Remove unused variable.
1911 * testsuite/21_strings/basic_string/numeric_conversions/char/
1912 to_string_int.cc: New test.
1914 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1916 Fix ConstexprIterator requirements tests - No constexpr algorithms!
1917 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1918 Replace copy with hand-rolled loop.
1919 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1922 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
1924 Test for C++20 p0858 - ConstexprIterator requirements.
1925 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1927 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1930 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
1932 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
1934 * include/bits/c++config: Rename all macros of the form __PSTL* to
1936 * include/std/algorithm: Likewise.
1937 * include/std/execution: Likewise.
1938 * include/std/numeric: Likewise.
1939 * include/std/memory: Likewise.
1940 * include/pstl/glue_memory_impl.h: Likewise.
1941 * include/pstl/numeric_impl.h: Likewise.
1942 * include/pstl/glue_memory_defs.h: Likewise.
1943 * include/pstl/execution_defs.h: Likewise.
1944 * include/pstl/utils.h: Likewise.
1945 * include/pstl/algorithm_fwd.h: Likewise.
1946 * include/pstl/unseq_backend_simd.h: Likewise.
1947 * include/pstl/glue_execution_defs.h: Likewise.
1948 * include/pstl/algorithm_impl.h: Likewise.
1949 * include/pstl/parallel_impl.h: Likewise.
1950 * include/pstl/memory_impl.h: Likewise.
1951 * include/pstl/glue_numeric_defs.h: Likewise.
1952 * include/pstl/parallel_backend_utils.h: Likewise.
1953 * include/pstl/glue_algorithm_defs.h: Likewise.
1954 * include/pstl/parallel_backend.h: Likewise.
1955 * include/pstl/glue_numeric_impl.h: Likewise.
1956 * include/pstl/parallel_backend_tbb.h: Likewise.
1957 * include/pstl/numeric_fwd.h: Likewise.
1958 * include/pstl/glue_algorithm_impl.h: Likewise.
1959 * include/pstl/execution_impl.h: Likewise.
1960 * include/pstl/pstl_config.h: Likewise.
1961 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1962 * testsuite/util/pstl/test_utils.h: Likewise.
1963 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1965 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1967 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1969 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
1970 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
1971 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
1972 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
1973 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1975 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
1976 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
1977 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
1978 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
1979 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1981 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
1982 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
1983 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
1984 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
1985 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1987 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
1988 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
1989 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1991 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1993 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
1994 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1995 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1997 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1999 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
2001 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
2003 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
2005 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
2007 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
2009 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
2011 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
2013 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
2015 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
2017 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
2019 Rename header guards to be consistent with upstream project's
2021 * include/pstl/glue_memory_impl.h: Rename all macros of the form
2022 _PSTL_(.*)_H to _PSTL_\U\1_H.
2023 * include/pstl/numeric_impl.h: Likewise.
2024 * include/pstl/glue_memory_defs.h: Likewise.
2025 * include/pstl/execution_defs.h: Likewise.
2026 * include/pstl/utils.h: Likewise.
2027 * include/pstl/algorithm_fwd.h: Likewise.
2028 * include/pstl/unseq_backend_simd.h: Likewise.
2029 * include/pstl/glue_execution_defs.h: Likewise.
2030 * include/pstl/algorithm_impl.h: Likewise.
2031 * include/pstl/parallel_impl.h: Likewise.
2032 * include/pstl/memory_impl.h: Likewise.
2033 * include/pstl/glue_numeric_defs.h: Likewise.
2034 * include/pstl/parallel_backend_utils.h: Likewise.
2035 * include/pstl/glue_algorithm_defs.h: Likewise.
2036 * include/pstl/parallel_backend.h: Likewise.
2037 * include/pstl/glue_numeric_impl.h: Likewise.
2038 * include/pstl/parallel_backend_tbb.h: Likewise.
2039 * include/pstl/numeric_fwd.h: Likewise.
2040 * include/pstl/glue_algorithm_impl.h: Likewise.
2041 * include/pstl/execution_impl.h: Likewise.
2042 * include/pstl/pstl_config.h: Likewise.
2043 * testsuite/util/pstl/pstl_test_config.h: Likewise.
2045 Synchronize libstdc++ parallel algorithms with upstream
2047 * include/pstl/algorithm_fwd.h: Synchronize with
2048 upstream PSTL project.
2049 * include/pstl/algorithm_impl.h: Likewise.
2050 * include/pstl/execution_defs.h: Likewise.
2051 * include/pstl/execution_impl.h: Likewise.
2052 * include/pstl/glue_algorithm_impl.h: Likewise.
2053 * include/pstl/glue_execution_defs.h: Likewise.
2054 * include/pstl/numeric_fwd.h: Likewise.
2055 * include/pstl/numeric_impl.h: Likewise.
2056 * include/pstl/parallel_backend.h: Likewise.
2057 * include/pstl/pstl_config.h: Likewise.
2058 * include/pstl/unseq_backend_simd.h: Likewise.
2059 * include/pstl/parallel_backend_serial.h: New file.
2060 * include/Makefile.am (pstl_headers): Add
2061 parallel_backend_serial.h.
2062 * include/Makefile.in: Regenerate.
2064 Clean up non-conforming names
2065 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
2066 Uglfiy copy_range1 and copy_range2
2067 (__pattern_walk2_n): Rename local n to __n
2068 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
2069 Rename parameter _T to _Tp.
2071 Integrate non-TBB serial backend support
2072 * include/bits/c++config: Adjust TBB detection logic to select serial
2073 PSTL backend if no TBB present.
2074 * testsuite/utils/pstl/test_utils.h: Remove check for
2075 _PSTL_USE_PAR_POLICIES
2077 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
2079 * testsuite/24_iterators/container_access.cc: Move dg-options before
2080 dg-do directive so the target check uses the -std option.
2083 * configure: Regenerate.
2084 * src/Makefile.am (stamp-debug): Also test for missing makefile.
2085 * src/Makefile.in: Regenerate.
2087 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
2089 * include/std/array: Do not include <stdexcept>.
2090 * include/std/optional: Include <exception> and
2091 <bits/exception_defines.h> instead of <stdexcept>.
2092 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
2094 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
2096 * testsuite/23_containers/map/erasure.cc: Include <string>.
2097 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2099 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
2100 dg-prune-output for different C++98 diagnostic.
2101 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
2103 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
2105 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
2107 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
2109 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
2111 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
2113 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
2115 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
2117 * testsuite/23_containers/vector/requirements/dr438/
2118 constructor_1_neg.cc: Likewise.
2119 * testsuite/23_containers/vector/requirements/dr438/
2120 constructor_2_neg.cc: Likewise.
2121 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
2123 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
2125 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
2126 Do not test allocator rebinding extension for C++2a.
2127 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2128 dg-do directive for C++17 and C++2a.
2130 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2131 1_c++0x.cc: Remove redundant test.
2132 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2133 2.cc: Use target selector instead of preprocessor condition.
2134 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2135 3.cc: Do not run test for C++2a.
2136 * testsuite/23_containers/forward_list/requirements/
2137 explicit_instantiation/3.cc: Likewise.
2138 * testsuite/23_containers/forward_list/requirements/
2139 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2141 * testsuite/23_containers/list/requirements/explicit_instantiation/
2142 1_c++0x.cc: Remove redundant test.
2143 * testsuite/23_containers/list/requirements/explicit_instantiation/
2144 2.cc: Use target selector instead of preprocessor condition.
2145 * testsuite/23_containers/list/requirements/explicit_instantiation/
2146 3.cc: Do not run test for C++2a.
2147 * testsuite/23_containers/list/requirements/explicit_instantiation/
2148 5.cc: Do not test allocator rebinding extension for C++2a.
2149 * testsuite/23_containers/map/requirements/explicit_instantiation/
2150 1_c++0x.cc: Remove redundant test.
2151 * testsuite/23_containers/map/requirements/explicit_instantiation/
2152 2.cc: Adjust comment.
2153 * testsuite/23_containers/map/requirements/explicit_instantiation/
2154 3.cc: Do not run test for C++2a.
2155 * testsuite/23_containers/map/requirements/explicit_instantiation/
2156 5.cc: Do not test allocator rebinding extension for C++2a.
2157 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2158 1_c++0x.cc: Remove redundant test.
2159 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2160 3.cc: Do not run test for C++2a.
2161 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2162 5.cc: Do not test allocator rebinding extension for C++2a.
2163 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2164 3.cc: Do not run test for C++2a.
2165 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2166 5.cc: Do not test allocator rebinding extension for C++2a.
2167 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
2168 Do not run test for C++2a.
2169 * testsuite/23_containers/set/requirements/explicit_instantiation/
2170 1_c++0x.cc: Remove redundant test.
2171 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
2172 Do not test allocator rebinding extension for C++2a.
2173 * testsuite/23_containers/unordered_map/requirements/
2174 explicit_instantiation/3.cc: Likewise.
2175 * testsuite/23_containers/unordered_map/requirements/
2176 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2178 * testsuite/23_containers/unordered_multimap/requirements/
2179 explicit_instantiation/3.cc: Do not run test for C++2a.
2180 * testsuite/23_containers/unordered_multimap/requirements/
2181 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2183 * testsuite/23_containers/unordered_multiset/requirements/
2184 explicit_instantiation/3.cc: Do not run test for C++2a.
2185 * testsuite/23_containers/unordered_multiset/requirements/
2186 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2188 * testsuite/23_containers/unordered_set/requirements/
2189 explicit_instantiation/3.cc: Do not run test for C++2a.
2190 * testsuite/23_containers/unordered_set/requirements/
2191 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2193 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2194 2.cc: Remove redundant test.
2195 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2196 3.cc: Do not run test for C++2a.
2197 * testsuite/23_containers/vector/requirements/explicit_instantiation/
2200 * include/std/type_traits (is_empty, is_polymorphic, is_final)
2201 (is_abstract, is_aggregate): Remove static_assert.
2202 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
2204 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
2205 missing -std=gnu++17 option.
2206 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
2207 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
2208 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
2211 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
2212 * testsuite/18_support/set_unexpected.cc: Likewise.
2213 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
2215 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
2216 function to be valid in C++11.
2217 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
2218 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
2219 include Library Fundamentals or Networking headers in C++11 mode.
2220 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
2222 * include/std/tuple (_TC): Replace with _TupleConstraints.
2223 (_TupleConstraints): New helper for SFINAE constraints, with more
2224 expressive member functions to reduce duplication when used.
2225 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
2226 (tuple::_TCC): Replace dummy type parameter with bool non-type
2227 parameter that can be used to check the pack size.
2228 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
2229 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
2230 checking constraints in constructors.
2231 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
2233 (tuple::tuple): Use new helpers to reduce repitition in constraints.
2234 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
2235 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
2236 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
2237 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
2238 constraints in constructors.
2239 (tuple::__is_alloc_arg()): New SFINAE helpers.
2240 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
2242 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
2243 * testsuite/20_util/tuple/cons/90700.cc: New test.
2244 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
2245 to meet new constraint on allocator-extended default constructor.
2247 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2249 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
2250 * include/bits/stl_multimap.h (multimap): Likewise.
2252 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
2254 Rename variables and cleanup comments.
2255 * include/bits/hashtable_policy.h
2256 * include/bits/hashtable.h
2258 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2260 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
2261 Fix bgcolor for P0340R3.
2262 * doc/html/*: Regenerate.
2265 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
2266 <experimental/memory_resource>.
2267 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
2268 P0339R6, P0340R3, P1164R1 and P1357R1.
2269 * doc/html/*: Regenerate.
2271 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
2272 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
2273 allocator::value_type assertion for C++2a.
2274 * include/bits/hashtable.h: Likewise.
2275 * include/bits/stl_deque.h: Likewise.
2276 * include/bits/stl_list.h: Likewise.
2277 * include/bits/stl_map.h: Likewise.
2278 * include/bits/stl_multimap.h: Likewise.
2279 * include/bits/stl_multiset.h: Likewise.
2280 * include/bits/stl_set.h: Likewise.
2281 * include/bits/stl_vector.h: Likewise.
2282 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
2283 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
2284 * testsuite/23_containers/list/48101-3_neg.cc: New test.
2285 * testsuite/23_containers/map/48101-3_neg.cc: New test.
2286 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
2287 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
2288 * testsuite/23_containers/set/48101-3_neg.cc: New test.
2289 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
2290 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
2291 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
2292 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
2293 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
2295 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
2297 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
2299 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2301 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
2303 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
2305 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
2307 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2309 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
2312 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
2313 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
2314 * libsupc++/eh_term_handler.h: New header defining
2315 _GLIBCXX_DEFAULT_TERM_HANDLER.
2316 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
2317 (set_terminate): Restore default handler when argument is null.
2318 (set_unexpected): Likewise.
2319 * testsuite/18_support/set_terminate.cc: New test.
2320 * testsuite/18_support/set_unexpected.cc: New test.
2322 * include/backward/hashtable.h (size_t, ptrdiff_t)
2323 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
2324 (distance, vector, pair, __iterator_category): Remove
2325 using-declarations that add these names to namespace __gnu_cxx.
2326 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
2327 * include/ext/debug_allocator.h (size_t): Likewise.
2328 * include/ext/functional (size_t, unary_function, binary_function)
2329 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
2331 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
2332 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
2333 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
2334 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
2335 * include/ext/numeric (iota): Fix outdated comment.
2336 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
2337 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
2338 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
2339 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
2340 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
2342 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
2343 (allocator, __true_type, __false_type): Likewise.
2345 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
2348 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
2349 New helpers for checking preconditions in traits.
2350 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
2351 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
2352 (is_destructible, is_nothrow_destructible, is_constructible)
2353 (is_default_constructible, is_copy_constructible)
2354 (is_move_constructible, is_nothrow_default_constructible)
2355 (is_nothrow_constructible, is_nothrow_copy_constructible)
2356 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
2357 (is_nothrow_assignable, is_nothrow_copy_assignable)
2358 (is_nothrow_move_assignable, is_trivially_constructible)
2359 (is_trivially_copy_constructible, is_trivially_move_constructible)
2360 is_trivially_assignable, is_trivially_copy_assignable)
2361 (is_trivially_move_assignable, is_trivially_destructible)
2362 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
2363 (is_invocable_r, is_nothrow_invocable)
2364 (has_unique_object_representations, is_aggregate): Add static_asserts
2365 to make sure that type traits are not misused with incomplete types.
2366 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
2367 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
2368 base characteristics without assertions that can be reused in other
2370 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
2371 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
2373 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
2374 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
2375 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
2376 * testsuite/20_util/is_class/value.cc: Check incomplete type.
2377 * testsuite/20_util/is_function/value.cc: Likewise.
2378 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
2379 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
2381 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
2382 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
2383 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2384 * testsuite/20_util/is_union/value.cc: Likewise.
2385 * testsuite/20_util/is_void/value.cc: Likewise.
2386 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
2388 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2390 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
2391 Add new private member function.
2392 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
2393 (random_device::_M_init_pretr1(const string&)): Call new private
2394 member with string data.
2395 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
2397 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
2398 test using COW strings.
2399 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
2400 a value from the device.
2401 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
2402 Fix typo in token string.
2404 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
2406 LWG2788 basic_string spurious use of a default constructible allocator
2407 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
2408 (basic_string::_M_replace_dispatch): Construct temporary string with
2409 the current allocator.
2410 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
2411 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
2413 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
2415 * doc/xml/manual/diagnostics.xml: Update list of headers that define
2417 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
2418 section about new/delete overloads. Improve section on verbose
2420 * doc/html/*: Regenerate.
2422 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
2423 P0811R3. Change status of P1353R0.
2424 * doc/html/*: Regenerate.
2426 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
2427 documentation of implementation-defined types for [thread.req.native].
2428 * doc/xml/manual/status_cxx2017.xml: Update documentation of
2429 implementation-defined strings for [variant.bad.access]. Fix typo in
2430 documentation of implementation-defined support for [fs.conform.9945].
2431 * doc/html/*: Regenerate.
2433 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
2436 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
2437 that fails on mingw-w64.
2440 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
2441 (status(const path&, error_code&)): Use parent_path() to remove
2443 (symlink_status(const path&, error_code&)): Duplicate workaround for
2444 bug in _wstat for paths with trailing slash.
2445 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
2446 with trailing slash.
2447 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2448 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2450 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
2451 once instead of building it iteratively.
2453 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
2455 PR libstdc++/85494 use rdseed and rand_s in std::random_device
2456 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
2457 the assembler supports rdseed.
2458 * config.h.in: Regenerate.
2459 * configure: Regenerate.
2460 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
2461 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
2462 * doc/html/*: Regenerate.
2463 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
2464 * include/bits/random.h (random_device::random_device()): Always call
2465 _M_init rather than _M_init_pretr1.
2466 (random_device::random_device(const string&)): Likewise.
2467 (random_device::operator()()): Always call _M_getval().
2468 (random_device::_M_file): Replace first member of union with an
2469 anonymous struct, with _M_file as its first member.
2470 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
2471 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
2472 (USE_MT19937): Define if none of the above are defined.
2473 (USE_POSIX_FILE_IO): Define.
2474 (_M_strtoul): Remove.
2475 [USE_RDSEED] (__x86_rdseed): Define new function.
2476 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
2477 (random_device::_M_init(const string&)): Initialize new union members.
2478 Add support for "rdseed" and "rand_s" tokens. Decide what the
2479 "default" token does according to which USE_* macros are defined.
2480 [USE_POSIX_FILE_IO]: Store a file descriptor.
2481 [USE_MT19937]: Forward to _M_init_pretr1 instead.
2482 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
2483 code from _M_strtoul.
2484 [!USE_MT19937]: Call _M_init, transforming the old default token or
2485 numeric tokens to "default".
2486 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
2487 (random_device::_M_getval()): Use new union members to obtain a
2488 random number from the stored function pointer or file descriptor.
2489 [USE_MT19937]: Obtain a value from the mt19937 engine.
2490 (random_device::_M_getval_pretr1()): Call _M_getval().
2491 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
2493 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
2494 * testsuite/26_numerics/random/random_device/85494.cc: New test.
2496 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
2499 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
2500 _M_split_cmpts() for a path with multiple components.
2501 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
2502 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
2503 components and reserve space in vector. Return early when there is
2505 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
2506 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
2508 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
2509 form of std::equals for C++11 compatibility.
2511 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
2513 * doc/xml/manual/appendix_contributing.xml: Update pointer to
2514 C++ standard at ansi.org.
2516 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
2518 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
2519 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
2522 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
2523 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
2525 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2527 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
2529 * testsuite/20_util/function_objects/invoke/3.cc: New test.
2530 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2531 "compile" test to "run".
2533 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
2534 * doc/html/*: Regenerate.
2535 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
2536 rvalue aliasing constructor.
2537 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
2538 (reinterpret_pointer_cast): Add overloads taking rvalues.
2539 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
2540 Add rvalue aliasing constructor.
2541 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
2542 "run" and check return values as well as types.
2543 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
2544 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
2545 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
2546 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
2549 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
2550 * doc/xml/manual/intro.xml: Likewise.
2551 * include/std/future (__create_task_state): Add default arguments
2552 to make providing an allocator optional.
2553 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
2554 instead of delegating to another constructor.
2555 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
2556 define allocator-extended constructors for C++17 and later.
2557 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
2559 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2560 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2561 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2563 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
2565 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
2566 Don't run the libstdc++/83237 part on simulator targets.
2568 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2570 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
2572 * doc/html/*: Regenerate.
2574 * include/experimental/any (__any_caster): Use RTTI if comparing
2575 addresses fails, to support non-unique addresses in shared libraries.
2576 * include/std/any (__any_caster): Likewise.
2579 * include/experimental/any (__any_caster): Constrain to only be
2580 callable for object types. Use remove_cv_t instead of decay_t.
2581 If the type decays or isn't copy constructible, compare the manager
2582 function to a dummy specialization.
2583 (__any_caster): Add overload constrained for non-object types.
2584 (any::_Manager_internal<_Op>): Add dummy specialization.
2585 * testsuite/experimental/any/misc/any_cast.cc: Test function types
2588 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
2591 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
2592 reversed arguments to uninitialized_copy_n.
2593 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
2594 is unchanged by copy assignment.
2595 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
2596 compare path components.
2599 * include/experimental/memory_resource: Add system header pragma and
2600 do not define anything unless compiled as C++14 or later.
2601 (__resource_adaptor_common::__guaranteed_alignment): Remove.
2602 (__resource_adaptor_imp::do_allocate): If the requested alignment
2603 is a fundamental alignment then either allocate directly from _M_alloc
2604 or call the new _M_allocate function.
2605 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
2606 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
2607 of the allocator rebound to a POD type with the specified alignment.
2608 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
2609 * testsuite/experimental/memory_resource/new_delete_resource.cc:
2610 Adjust expected allocation sizes.
2611 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
2612 xfail for Solaris x86.
2614 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
2616 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
2617 * include/pstl/execution_defs.h (__enable_if_execution_policy):
2618 Use std::__remove_cvref_t when building with GCC.
2620 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
2623 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2624 Use "additional_flags" to pass -ltbb to v3_target_compile command.
2625 Use check_v3_target_prop_cached to cache the result of the test.
2627 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
2629 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2632 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2633 Changed v3_target_compile check from preprocess to executable.
2634 Added "-ltbb" to v3_target_compile flags.
2636 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2638 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2639 Add check for Thread Building Blocks 2018 or later.
2641 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2643 * testsuite/experimental/names.cc: Only include Networking TS headers
2644 on targets with the necessary Gthreads support.
2646 2019-05-20 Marek Polacek <polacek@redhat.com>
2648 CWG 2094 - volatile scalars are trivially copyable.
2650 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
2651 result for volatile int.
2653 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2655 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
2656 * testsuite/experimental/names.cc: Include <experimental/filesystem>
2659 PR c++/90532 Ensure __is_constructible(T[]) is false
2660 * include/std/type_traits (__do_is_default_constructible_impl)
2661 (__is_default_constructible_atom, __is_default_constructible_safe):
2663 (is_default_constructible): Use is_constructible.
2664 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
2665 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
2666 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
2667 * testsuite/20_util/is_trivially_default_constructible/value.cc:
2670 2019-05-20 Pádraig Brady <pbrady@fb.com>
2672 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
2673 to the deallocator with -fsized-deallocation.
2675 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2677 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
2678 test by passing correct alignment to deallocate function.
2680 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
2683 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2684 Raise exception if unique_ptr tuple member has unknown structure.
2685 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
2686 Adjust worker to support new __uniq_ptr_data base class. Do not
2687 assume field called _M_head_impl is the first tuple element.
2689 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2691 * include/bits/stl_deque.h
2692 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
2693 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
2694 (_Deque_base::_Deque_impl_data): New.
2695 (_Deque_base::_Deque_impl): Inherit latter.
2696 (_Deque_base::_Deque_impl::_M_swap_data): Move...
2697 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
2698 (_Deque_base::_Deque_impl()): Add noexcept qualification.
2699 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
2700 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
2701 (deque<>::deque()): Default.
2702 (deque<>::deque(deque&&)): Default.
2703 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
2704 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
2705 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
2706 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
2707 _M_range_initialize.
2708 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
2709 (deque<>::resize(size_type, const value_type&)): Share a single
2711 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
2712 _M_range_insert_aux.
2713 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
2714 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
2715 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
2716 * testsuite/23_containers/deque/allocator/default_init.cc: New.
2718 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
2721 * include/std/variant (holds_alternative, get, get_if): Improve
2722 static assertion messages.
2723 (bad_variant_access::bad_variant_access()): Change default message.
2724 (__throw_bad_variant_access(bool)): New overload.
2725 (get): Use new overload.
2726 (visit, visit<R>): Improve exception message.
2728 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
2729 targets. Add more cases from P0608R3.
2730 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
2732 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
2733 * include/experimental/type_traits (is_detected_exact)
2734 (is_detected_exact_v): Likewise.
2735 * include/pstl/execution_defs.h (is_execution_policy)
2736 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
2737 * include/pstl/execution_impl.h (__policy_traits): Likewise.
2738 * testsuite/17_intro/names.cc: Check for more non-reserved names.
2739 * testsuite/experimental/names.cc: New test.
2742 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
2743 assertions from the destructor.
2744 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
2745 Move static_assert for hash function to here.
2746 (_Hash_table_base::_M_equals): Move static_assert for equality
2748 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
2750 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
2751 the value directly instead of calling _S_value.
2752 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
2753 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
2754 _S_key(_Const_Link_type).
2755 * testsuite/23_containers/set/85965.cc: Check construction,
2756 destruction, assignment and size() do not trigger the assertions.
2757 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
2758 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
2760 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2761 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
2762 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2763 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2764 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2765 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2766 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2768 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
2769 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
2772 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
2774 * doc/html/*: Regenerate.
2775 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
2776 of decay_t (P0777R1).
2778 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2780 Move from state of allocators (LWG2593)
2781 * include/bits/stl_deque.h
2782 (_Deque_base(_Deque_base&&, false_type)): Remove.
2783 (_Deque_base(_Deque_base&&, true_type)): Remove.
2784 (_Deque_base(_Deque_base&&)): Adapt.
2785 (_Deque_base::_M_move_impl()): Remove.
2786 * testsuite/util/testsuite_allocator.h
2787 (propagating_allocator(propagating_allocator&&)): Preserve move from
2789 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
2791 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
2793 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
2794 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
2795 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
2797 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
2799 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
2800 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
2802 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
2804 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
2806 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
2808 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
2810 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
2812 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
2814 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
2817 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
2819 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
2820 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
2822 * include/std/variant (__overload_set): Remove.
2824 (_Build_FUN): New class template to define a single FUN overload,
2825 with specializations to prevent unwanted conversions, as per P0608R3.
2826 (_Build_FUNs): New class template to build an overload set of FUN.
2827 (_FUN_type): New alias template to perform overload resolution.
2828 (__accepted_type): Use integer_constant base for failure case. Use
2829 _FUN_type for successful case.
2830 (variant::__accepted_index): Use _Tp instead of _Tp&&.
2831 (variant::variant(_Tp&&)): Likewise.
2832 (variant::operator=(_Tp&&)): Likewise.
2834 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
2835 Replace raw visitation with a runtime check for the valueless state
2836 and a non-raw visitor.
2837 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
2838 (variant::index()): Remove branch.
2839 (variant::swap(variant&)): Use valueless_by_exception() instead of
2840 comparing the index to variant_npos, and add likelihood attribute.
2842 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
2843 (_Hashtable_base::_Equal_hash_code): Define new class template.
2844 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
2847 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
2848 Replace with _M_get non-static member function.
2849 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
2851 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
2852 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
2854 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
2855 _S_get accessors for members in EBO helpers.
2856 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
2857 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
2859 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
2861 (_Hashtable_base::_M_eq()): Remove non-const overload.
2863 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
2865 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
2867 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2869 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
2872 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2874 * config/os/solaris/solaris2.10: Move to ...
2875 * config/os/solaris: ... this.
2876 * configure.host (os_include_dir): Adapt.
2877 (abi_baseline_pair): Remove Solaris 10 handling.
2878 * config/abi/post/i386-solaris2.10: Remove.
2879 * config/abi/post/sparc-solaris2.10: Remove.
2880 * config/abi/post/i386-solaris2.11: Rename to ...
2881 * config/abi/post/i386-solaris: ... this.
2882 * config/abi/post/sparc-solaris2.11: Rename to ...
2883 * config/abi/post/sparc-solaris: ... this.
2885 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
2888 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
2891 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2893 * include/std/variant (__visit_with_index): Remove typedef.
2894 (__deduce_visit_result): New tag type.
2895 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
2896 visitation of possibly-valueless variants, forwarding to __do_visit
2897 with the relevant tag type.
2898 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
2899 and make lambda return void.
2900 (__variant_construct): Likewise.
2901 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
2902 __raw_idx_visit and make lambda return void.
2903 (_Multi_array::__untag_result): Add metafunction to check the function
2904 pointer type for a tag type that dictates the kind of visitation.
2905 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
2906 Use decltype(auto) instead of tagged function pointer type.
2907 (__gen_vtable_impl): Remove bool non-type parameter and unused
2908 _Variant_tuple parameter.
2909 (__gen_vtable_impl::__visit_invoke_impl): Remove.
2910 (__gen_vtable_impl::__do_visit_invoke): Remove.
2911 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
2912 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
2913 for the visit<R> case, rather than dispatching to separate functions.
2914 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
2916 (variant::swap): Likewise.
2917 (__do_visit): Replace two non-type template parameters with a single
2918 type parameter, so that the caller must specify the visitor's return
2919 type (or one of the tag types).
2920 (visit): Deduce a return type from the visitor and use the
2921 __deduce_visit_result tag to enforce that all overloads return the
2923 (visit<R>): Call __do_visit<R> with explicit result type.
2924 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
2927 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2929 nonesuch is insufficiently useless (lwg2996)
2930 * include/std/type_traits (struct __nonesuch): Added private base
2931 class to make __nonesuch not an aggregate and removed deleted default
2933 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
2934 (operator=(const pair&)): Use __nonesuch instead of
2935 __nonesuch_no_braces.
2936 (operator=(pair&&)): Likewise
2937 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
2938 of __nonesuch_no_braces.
2939 (operator=(tuple&&)): Likewise
2940 * include/experimental/type_traits (struct nonesuch): Added private
2941 base class to make nonesuch not an aggregate and removed deleted
2942 default constructor.
2943 * testsuite/20_util/nonesuch/nonesuch.cc: New.
2944 * testsuite/experimental/type_traits/nonesuch.cc: New.
2946 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2948 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
2949 (_Function_handler): Remove partial specializations for void return
2950 types and pointers to member.
2951 (_Function_handler::_M_manager): Adapt to removal of
2952 _Simple_type_wrapper.
2953 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
2954 * include/std/functional (_Bind_result::__enable_if_void)
2955 (_Bind_result::__disable_if_void): Remove sfinae helpers.
2956 (_Bind_result::__call): Use __invoke_r and remove overloads for void
2958 * include/std/future (__future_base::_Task_state::_M_run)
2959 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
2960 change return type of lambda expressions.
2962 * include/bits/invoke.h (__invoke_r): Define new function implementing
2963 the INVOKE<R> pseudo-function.
2964 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
2965 * testsuite/20_util/function_objects/invoke/2.cc: New test.
2967 * include/std/type_traits (__is_nt_convertible_helper): Define it
2968 unconditionally, not only for C++20.
2969 (__is_nothrow_convertible): Define internal trait for use in C++11.
2970 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
2971 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
2972 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
2973 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
2974 that has nothrow explicit conversion but potentially-throwing implicit
2976 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
2977 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
2978 function to only consider implicit conversions.
2979 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
2981 * include/std/iterator: Include <iosfwd> instead of <istream> and
2984 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
2985 Remove unused, non-standard function.
2987 * include/bits/regex.h (match_results::max_size()): Adjust return
2988 value to account for prefix/suffix/unmatched subs.
2989 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
2990 reset the contained sub matches.
2991 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
2992 function to set result state following a failed match.
2993 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
2994 sub_match states after _M_resize. Use _M_establish_failed_match.
2997 * include/std/thread (thread::_State_impl, thread::_S_make_state):
2998 Replace single _Callable parameter with variadic _Args pack, to
2999 forward them directly to the tuple of decayed copies.
3000 * testsuite/30_threads/thread/cons/69724.cc: New test.
3002 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
3004 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
3005 * include/bits/basic_string.h: (operator=(const basic_string&):
3006 Move allocator decision to assign.
3007 (assign(const basic_string&)): Move allocator decision here.
3008 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
3010 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
3013 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3015 * testsuite/util/testsuite_allocator.h (memory_resource)
3016 (default_resource_mgr): Fix indentation.
3018 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
3019 Use operator-> to access raw pointer member.
3020 * testsuite/23_containers/vector/59829.cc: Likewise.
3021 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
3022 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
3023 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
3025 (PointerBase, PointerBase_void): Derive from NullablePointer and use
3026 its constructors and equality operators. Change converting
3027 constructors to use operator-> to access private member of the other
3029 (PointerBase_void::operator->()): Add, for access to private member.
3030 (operator-(PointerBase, PointerBase)): Change to hidden friend.
3031 (operator==(PointerBase, PointerBase)): Remove.
3032 (operator!=(PointerBase, PointerBase)): Remove.
3034 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
3035 not assume field called _M_head_impl is the first tuple element.
3036 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
3037 implementation more accurate.
3038 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
3039 empty pointer type and non-empty deleter.
3041 LWG 2899 - Make is_move_constructible correct for unique_ptr
3042 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
3043 move assignment operator.
3044 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
3045 (__uniq_ptr_data): New class template with conditionally deleted
3047 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
3048 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
3049 constructor and move assignment operator as defaulted.
3050 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
3051 __uniq_ptr_impl::release().
3052 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
3053 to __uniq_ptr_impl::reset(pointer).
3054 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
3055 Check for new __uniq_ptr_data type.
3056 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
3058 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3060 PR libstdc++/90454.cc path construction from void*
3061 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
3062 pointers to void are rejected as well as void.
3063 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
3064 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
3066 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
3068 * doc/xml/manual/policy_data_structures.xml: Comment out stray
3069 <remark> elements. Fix formatting of bibliography references.
3071 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
3073 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
3075 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3077 Remove Profile Mode, deprecated since 7.1.0
3078 * doc/Makefile.am: Remove XML file for profile mode docs.
3079 * doc/Makefile.in: Regenerate.
3080 * doc/xml/authors.xml: Remove authors of profile mode docs.
3081 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
3083 * doc/xml/manual/debug.xml: Likewise.
3084 * doc/xml/manual/evolution.xml: Document removal of profile mode.
3085 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
3086 * doc/xml/manual/spine.xml: Remove profile mode author credit.
3087 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
3089 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
3091 * doc/html/*: Regenerate.
3092 * include/Makefile.am: Remove profile mode headers.
3093 * include/Makefile.in: Regenerate.
3094 * include/bits/c++config (std::__profile): Remove namespace.
3095 [_GLIBCXX_PROFILE]: Remove checks for macro.
3096 * include/profile/array: Remove.
3097 * include/profile/base.h: Remove.
3098 * include/profile/bitset: Remove.
3099 * include/profile/deque: Remove.
3100 * include/profile/forward_list: Remove.
3101 * include/profile/impl/profiler.h: Remove.
3102 * include/profile/impl/profiler_algos.h: Remove.
3103 * include/profile/impl/profiler_container_size.h: Remove.
3104 * include/profile/impl/profiler_hash_func.h: Remove.
3105 * include/profile/impl/profiler_hashtable_size.h: Remove.
3106 * include/profile/impl/profiler_list_to_slist.h: Remove.
3107 * include/profile/impl/profiler_list_to_vector.h: Remove.
3108 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
3109 * include/profile/impl/profiler_node.h: Remove.
3110 * include/profile/impl/profiler_state.h: Remove.
3111 * include/profile/impl/profiler_trace.h: Remove.
3112 * include/profile/impl/profiler_vector_size.h: Remove.
3113 * include/profile/impl/profiler_vector_to_list.h: Remove.
3114 * include/profile/iterator_tracker.h: Remove.
3115 * include/profile/list: Remove.
3116 * include/profile/map: Remove.
3117 * include/profile/map.h: Remove.
3118 * include/profile/multimap.h: Remove.
3119 * include/profile/multiset.h: Remove.
3120 * include/profile/ordered_base.h: Remove.
3121 * include/profile/set: Remove.
3122 * include/profile/set.h: Remove.
3123 * include/profile/unordered_base.h: Remove.
3124 * include/profile/unordered_map: Remove.
3125 * include/profile/unordered_set: Remove.
3126 * include/profile/vector: Remove.
3127 * scripts/run_doxygen: Do not process profile mode headers.
3128 * testsuite/23_containers/array/element_access/60497.cc: Don't use
3130 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
3131 Remove dg-skip-if for profile mode.
3132 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
3133 preprocessor check for profile mode.
3134 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
3135 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
3137 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
3139 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
3140 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
3141 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
3142 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
3143 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
3145 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
3147 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
3149 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
3151 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
3152 preprocessor check for profile mode.
3153 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
3155 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
3156 Remove dg-skip-if for profile mode.
3157 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
3158 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
3159 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
3160 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
3161 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
3162 * testsuite/Makefile.am: Remove profile_flags variable and
3163 * testsuite/Makefile.am: Remove profile_flags variable and
3164 check-profile target.
3165 * testsuite/Makefile.in: Regenerate.
3166 * testsuite/ext/profile/all.cc: Remove.
3167 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
3168 * testsuite/ext/profile/profiler_algos.cc: Remove.
3169 * testsuite/ext/profile/replace_new.cc: Remove.
3170 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
3171 preprocessor check for profile mode.
3172 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
3173 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
3174 (check_v3_target_normal_mode): Do not check for profile mode macro.
3175 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
3177 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
3178 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3179 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3180 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
3181 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
3182 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3183 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3184 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3185 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3186 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3188 Remove array_allocator extension, deprecated since 4.9.0
3189 * doc/xml/manual/allocator.xml: Remove documentation for
3191 * doc/xml/manual/evolution.xml: Document array_allocator removal.
3192 * doc/xml/manual/using.xml: Remove header from documentation.
3193 * include/Makefile.am: Remove <ext/array_allocator.h> header.
3194 * include/Makefile.in: Regenerate.
3195 * include/ext/array_allocator.h: Remove.
3196 * include/precompiled/extc++.h: Do not include removed header.
3197 * testsuite/ext/array_allocator/1.cc: Remove.
3198 * testsuite/ext/array_allocator/2.cc: Remove.
3199 * testsuite/ext/array_allocator/26875.cc: Remove.
3200 * testsuite/ext/array_allocator/3.cc: Remove.
3201 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
3202 * testsuite/ext/array_allocator/check_delete.cc: Remove.
3203 * testsuite/ext/array_allocator/check_new.cc: Remove.
3204 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
3205 * testsuite/ext/headers.cc: Do not include removed header.
3207 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
3209 * include/bits/stl_bvector.h
3210 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3212 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3214 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3216 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3218 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3220 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3222 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3224 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
3226 (_Bit_iterator::operator-(difference_type)): Likewise.
3227 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
3228 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
3230 (_Bit_const_iterator::operator-(difference_type)): Likewise.
3231 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
3233 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
3236 * testsuite/util/thread/all.h: Do not use remove_pointer for
3237 std::thread::native_handle_type.
3240 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
3241 (_Variant_storage<true, Types...>::_M_reset()))
3242 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
3243 (__get_storage): Likewise.
3244 (variant): Add noexcept to friend declarations for __get and
3248 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
3249 Use _Require for constraints.
3250 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
3252 (__uniq_ptr_hash): New base class with conditionally-disabled call
3254 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
3255 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
3256 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
3258 * include/bits/shared_ptr.h: Improve docs.
3259 * include/bits/shared_ptr_base.h: Likewise.
3260 * include/bits/stl_uninitialized.h: Likewise.
3261 * include/bits/unique_ptr.h: Likewise.
3262 * libsupc++/new: Likewise.
3264 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
3266 * include/bits/stl_deque.h
3267 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3269 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3271 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3273 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3275 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3277 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3279 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
3281 (_Deque_iterator<>::operator-(difference_type)): Likewise.
3283 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
3286 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
3287 (test01): Reserve for number of insertions to avoid rehash during test.
3288 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3290 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3295 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
3297 * include/experimental/bits/fs_path.h: Improve docs.
3298 * include/experimental/bits/net.h: Fix wrong header name in comment.
3299 Do not document implementation details.
3300 * include/experimental/netfwd: Fix doxygen grouping.
3302 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3304 * include/bits/stl_pair.h: Improve docs.
3305 * include/std/tuple: Likewise.
3307 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
3309 * include/std/chrono: Improve docs.
3310 * include/std/ratio: Do not document implementation details.
3311 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
3313 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
3316 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
3317 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
3318 (__duration_common_type): New helper.
3319 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
3320 __duration_common_type.
3321 (__timepoint_common_type_wrapper): Replace with ...
3322 (__timepoint_common_type): New helper.
3323 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
3324 Use __time_point_common_type.
3325 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
3326 (__common_type_impl): If either argument is transformed by decay,
3327 use the common_type of the decayed types.
3328 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
3329 decayed, use __do_common_type_impl to get the common_type.
3330 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
3331 (__do_member_type_wrapper, __member_type_wrapper)
3332 (__expanded_common_type_wrapper): Remove.
3333 (__common_type_pack, __common_type_fold): New helpers.
3334 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
3335 __member_type_wrapper and __expanded_common_type_wrapper.
3336 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3337 Test zero-length template argument list.
3338 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3339 Test single argument cases and argument types that should decay.
3340 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3341 Adjust expected error.
3342 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
3344 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3345 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3346 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3348 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
3350 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
3352 Make allocator propagation more consistent for
3353 operator+(basic_string) (P1165R1)
3354 * include/bits/basic_string.h
3355 (operator+(basic_string&&, basic_string&&): Changed resulting
3356 allocator to always be the one from the first parameter.
3357 * include/bits/basic_string.tcc
3358 (operator+(const _CharT*, const basic_string&)): Changed
3359 resulting allocator to be SOCCC on the second parameter's allocator.
3360 (operator+(_CharT, const basic_string&)): Likewise.
3361 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
3363 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
3366 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3368 * include/bits/regex.h: Improve docs.
3369 * include/bits/regex.tcc: Do not document implementation details.
3371 * testsuite/19_diagnostics/error_code/hash.cc: New test.
3373 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
3375 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3376 Add type printer for container types in std::__debug namespace.
3377 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
3378 (gdb-tests): Use distinct parameters for the type of test and use of
3380 (gdb-test): Check for regex test even if 'whatis' test.
3381 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
3383 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3384 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3385 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3386 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3387 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3388 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3389 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3391 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
3393 * include/std/system_error (error_category): Fix comment.
3396 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
3397 argument is an empty path.
3398 (absolute(const path&, error_code&)): Use invalid_argument as error
3399 code instead of no_such_file_or_directory.
3400 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
3401 of non-existent paths and empty paths with both overloads of absolute.
3403 * include/std/system_error (error_category, error_code)
3404 (error_condition): Improve docs.
3405 * libsupc++/exception: Add missing @addtogroup Doxygen command.
3406 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
3407 to class documentation. Suppress documentation for implementation
3409 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
3410 Suppress documentation for implementation details.
3412 * include/std/system_error (error_code): Remove friend declaration
3413 for hash<error_code>.
3414 (hash<error_code>::operator()): Use public member functions to access
3416 (hash<error_condition>::operator()): Use address of category, not
3417 its object representation.
3418 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
3419 Use public member functions to access value and category.
3420 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
3422 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
3424 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
3425 * include/bits/hashtable_policy.h
3426 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
3427 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
3428 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
3429 smaller than input value rather than always greater. Preserve
3430 _M_next_resize if called with 0 input. Use __builtin_floorl.
3431 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
3432 elements + number of insertions is greater than _M_next_resize. Start
3433 with 11 buckets if not told otherwise. Use __builtin_floorl.
3434 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
3435 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
3436 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
3437 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
3438 told otherwise. Use __builtin_floorl.
3439 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
3440 to also validate _Power2_rehash_policy.
3441 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
3444 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
3447 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
3451 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
3452 overflow warning with -Wpedantic -Wsystem-headers.
3454 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
3457 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
3458 * include/bits/move.h (swap): Remove extra parentheses.
3460 * include/experimental/bits/lfts_config.h: Improve doc markup.
3461 * include/experimental/optional: Improve docs.
3462 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
3463 (__constexpr_addressof): Remove.
3464 (optional::operator->()): Use std::__addressof().
3465 * include/std/optional (optional::operator->()): Adjust whitespace.
3466 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
3467 that operator-> is still constexpr with overloaded operator&. Change
3468 to compile-only test.
3469 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
3472 * include/bits/shared_ptr.h: Improve docs.
3473 * include/bits/shared_ptr_atomic.h: Likewise.
3474 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
3476 * include/bits/basic_string.h: Fix iterator/index confusion in
3478 * include/bits/range_access.h: Fix Doxygen warnings.
3479 * include/bits/refwrap.h: Do not document implementation details.
3480 (ref, cref): Group docs with reference_wrapper.
3481 * include/std/fstream: Fix Doxygen markup.
3482 * libsupc++/initializer_list (begin, end): Group docs with
3485 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
3487 * include/bits/unique_lock.h: Fix/improve doxygen markup.
3488 * include/std/mutex: Likewise.
3489 * include/std/shared_mutex: Likewise.
3491 * include/bits/fs_dir.h: Fix/improve doxygen markup.
3492 * include/bits/fs_fwd.h: Likewise.
3493 * include/bits/fs_ops.h: Likewise.
3494 * include/bits/fs_path.h: Likewise.
3495 * include/std/filesystem: Likewise.
3497 * include/experimental/bits/net.h: Fix/improve doxygen markup.
3498 * include/experimental/buffer: Likewise.
3499 * include/experimental/executor: Likewise.
3500 * include/experimental/internet: Likewise.
3501 * include/experimental/io_context: Likewise.
3502 * include/experimental/net: Likewise.
3503 * include/experimental/netfwd: Likewise.
3504 * include/experimental/socket: Likewise.
3505 * include/experimental/timer: Likewise.
3507 * doc/doxygen/doxygroups.cc: Move description of experimental group
3509 * include/experimental/algorithm: Add to libfund-ts doc group.
3510 * include/experimental/any: Likewise. Do not document implementation
3512 * include/experimental/array: Add to libfund-ts doc group.
3513 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
3514 for Library Fundamentals.
3515 * include/experimental/chrono: Add to libfund-ts doc group.
3516 * include/experimental/deque: Likewise.
3517 * include/experimental/forward_list: Likewise.
3518 * include/experimental/functional: Likewise.
3519 * include/experimental/iterator: Likewise.
3520 * include/experimental/list: Likewise.
3521 * include/experimental/map: Likewise.
3522 * include/experimental/memory: Likewise.
3523 * include/experimental/memory_resource: Likewise. Improve docs.
3525 * include/experimental/numeric: Add to libfund-ts doc group.
3526 * include/experimental/optional: Likewise.
3527 * include/experimental/propagate_const: Likewise.
3528 * include/experimental/random: Likewise.
3529 * include/experimental/ratio: Likewise.
3530 * include/experimental/regex: Likewise.
3531 * include/experimental/set: Likewise.
3532 * include/experimental/source_location: Likewise.
3533 * include/experimental/string: Likewise.
3534 * include/experimental/string_view: Likewise.
3535 * include/experimental/system_error: Likewise.
3536 * include/experimental/tuple: Likewise.
3537 * include/experimental/type_traits: Likewise.
3538 * include/experimental/unordered_map: Likewise.
3539 * include/experimental/unordered_set: Likewise.
3540 * include/experimental/utility: Likewise.
3541 * include/experimental/vector: Likewise.
3542 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
3543 * testsuite/experimental/array/neg.cc: Adjust dg-error.
3544 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
3546 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
3547 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
3548 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
3549 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
3550 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
3552 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
3553 * include/experimental/bits/fs_fwd.h: Improve docs.
3554 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
3555 * include/experimental/bits/fs_path.h: Likewise.
3556 (path, filesystem_error, u8path): Improve docs.
3557 * include/experimental/filesystem: Link to docs for TS.
3559 * config/allocator/new_allocator_base.h (__allocator_base): Add
3560 workaround for Doxygen bug #6945.
3561 * include/std/memory: Improve docs. Define group for pointer safety.
3562 * include/std/scoped_allocator: Improve docs. Use "undocumented"
3563 conditional to suppress documentation for implementation details.
3565 * include/bits/specfun.h: Improve docs.
3566 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
3569 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
3570 (std::experimental): Add docs.
3571 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
3572 namespace to nothing when generating docs.
3573 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
3574 * include/std/chrono (std::chrono): Likewise.
3575 * include/std/functional (std::placeholders): Likewise.
3576 * include/std/thread (std::this_thread): Likewise.
3578 * include/parallel/settings.h: Fix Doxygen markup.
3580 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
3581 anything unless PB_DS_CLASS_C_DEC is defined.
3582 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
3583 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
3584 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
3585 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
3586 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
3587 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
3588 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
3590 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
3591 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
3592 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
3593 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
3594 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
3595 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
3596 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
3597 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
3598 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
3599 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
3600 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
3602 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
3603 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
3605 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
3608 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
3609 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
3610 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
3613 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3615 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
3616 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
3617 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
3618 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
3619 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
3620 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3622 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
3623 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3626 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
3629 * include/std/complex (__complex_proj): Return parameter unchanged.
3630 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
3631 floating-point types to take std::complex arguments.
3632 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
3633 floating-point types.
3634 * testsuite/26_numerics/complex/proj.cc: New test.
3636 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3638 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
3639 to _Lock_policyE[012].
3640 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3642 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
3644 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
3645 macros accidentally left in.
3646 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
3647 unnecessary -lstdc++fs option. Fix test for mingw.
3648 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3651 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3653 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3655 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
3657 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
3659 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
3660 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
3663 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
3665 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
3668 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
3669 class template and partial specialization.
3672 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
3674 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
3675 functions to convert a value to an integral type.
3676 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
3677 (fill_n): Convert _Size parameter to an integral type.
3678 * testsuite/25_algorithms/fill_n/87982.cc: New test.
3679 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
3680 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
3681 * testsuite/25_algorithms/generate_n/87982.cc: New test.
3682 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
3683 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
3685 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
3687 Adding noexcept-specification on tuple constructors (LWG 2899)
3688 * libstdc++-v3/include/std/tuple:
3689 (tuple()): Add noexcept-specification.
3690 (tuple(const _Elements&...)): Likewise
3691 (tuple(_UElements&&...)): Likewise
3692 (tuple(const tuple<_UElements...>&)): Likewise
3693 (tuple(tuple<_UElements...>&&)): Likewise
3694 (tuple(const _T1&, const _T2&)): Likewise
3695 (tuple(_U1&&, _U2&&)): Likewise
3696 (tuple(const tuple<_U1, _U2>&): Likewise
3697 (tuple(tuple<_U1, _U2>&&): Likewise
3698 (tuple(const pair<_U1, _U2>&): Likewise
3699 (tuple(pair<_U1, _U2>&&): Likewise
3700 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
3702 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
3705 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
3706 arguments with __restrict.
3708 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
3710 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3712 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
3714 * include/experimental/bits/fs_path.h
3715 (path::_S_convert_loc<_InputIterator>): Create const std::string to
3716 avoid redundant call to _S_convert_loc with non-const pointers.
3718 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
3719 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
3720 * testsuite/21_strings/basic_string/hash/hash.cc
3721 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
3722 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
3723 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
3725 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
3726 wstring::_M_replace_dispatch with more specific patterns.
3727 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
3728 Create const std::string to avoid redundant call to _S_convert_loc
3729 with non-const pointers.
3730 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
3731 avoid unnecessary basic_string::assign instantiations.
3733 * include/std/memory (__uses_alloc_args): Add string-literal to
3734 static_assert, to match the one in __uses_alloc.
3735 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
3736 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
3737 for recursive uses-allocator construction of nested pairs.
3738 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
3741 2019-04-26 Jakub Jelinek <jakub@redhat.com>
3743 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3744 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3745 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
3746 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
3748 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3749 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3750 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
3751 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3752 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3753 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3754 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3756 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
3759 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
3760 * include/std/scoped_allocator [__cplusplus > 201703L]
3761 (scoped_allocator_adaptor::construct): Define in terms of
3762 uses_allocator_construction_args, as per P0591R4.
3763 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
3764 * testsuite/util/testsuite_allocator.h: Remove name of unused
3767 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
3769 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
3770 * doc/html/*: Regenerate.
3772 * include/bits/fs_path.h (operator<, operator<=, operator>)
3773 (operator>=, operator==, operator!=): Make hidden friends, as per
3775 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
3776 string type in test.
3777 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3779 * include/std/any (any::any(ValueType&&)): Use __and_v.
3780 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
3783 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
3785 * include/std/type_traits (__result_of_memfun): Use remove_reference
3786 instead of __remove_cvref_t and remove redundant is_same check.
3787 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
3789 * include/experimental/string_view (basic_string_view::pointer)
3790 (basic_string_view::reference): Fix to refer to non-const value_type.
3791 * include/bits/basic_string.h (basic_string): Use __sv_check and
3792 __sv_limit instead of basic_string_view::_M_check and
3793 basic_string_view::_M_limit.
3794 * include/std/string_view (__sv_check, __sv_limit): New
3795 helper functions to replace basic_string_view::_M_check and
3796 basic_string_view::_M_limit.
3797 (basic_string_view): Add static assertions to enforce ill-formed
3798 requirement for traits_type::char_type from P1148R0, and to enforce
3799 required properties of char-like types.
3800 (basic_string_view::pointer, basic_string_view::reference): Fix to
3801 refer to non-const value_type.
3802 (basic_string_view::operator[], basic_string_view::at)
3803 (basic_string_view::front, basic_string_view::back)
3804 (basic_string_view::data): Use const_reference and const_pointer
3805 typedefs for return types.
3806 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
3807 (hash<wstring_view>): Fix argument_type typedef.
3808 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3809 char/1.cc: Fix expected return type of basic_string_view::data().
3810 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3811 wchar_t/1.cc: Likewise.
3812 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3813 char/1.cc: Likewise.
3814 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3815 wchar_t/1.cc: Likewise.
3816 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
3818 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
3819 Check reference and pointer typedefs.
3820 * testsuite/experimental/string_view/requirements/typedefs.cc:
3822 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
3823 Fix expected return type of basic_string_view::data().
3824 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
3826 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
3828 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
3832 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
3833 Avoid a runtime check for types that can never be stored in std::any.
3834 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3837 PR libstdc++/90220 (partial)
3838 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
3839 not attempt ill-formed static_cast to pointers to non-object types.
3840 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3843 * testsuite/20_util/variant/run.cc: Catch exception by reference to
3844 prevent -Wcatch-value warning.
3846 * include/std/variant (__variant_construct): Use template parameter
3847 type instead of equivalent decltype-specifier.
3848 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
3849 Replace forward with move.
3850 (_Move_ctor_base<false, Types...>::_M_destructive_move)
3851 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
3852 (_Move_ctor_base<true, Types...>::_M_destructive_move)
3853 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
3854 index after construction succeeds.
3855 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
3856 if-constexpr checks that are always true. Use __remove_cvref_t instead
3857 of remove_reference so that is_nothrow_move_constructible check
3858 doesn't use a const rvalue parameter. In the potentially-throwing case
3859 construct a temporary and move assign it, as per LWG 2904.
3860 (_Move_assign_base<false, Types...>::operator=): Remove redundant
3861 if-constexpr checks that are always true. Use emplace as per LWG 2904.
3862 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
3863 construct a temporary and move assign from it, as per LWG 2904.
3864 * testsuite/20_util/variant/exception_safety.cc: Check that
3865 assignment operators have strong exception safety guarantee.
3867 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
3869 Document PSTL linker flags
3871 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
3873 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3875 * include/std/variant (__detail::__variant::_Traits): Make
3876 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
3877 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
3879 (__detail::__variant::_Copy_assign_alias): Only depend on
3880 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
3881 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
3882 move assignment operators.
3885 * include/std/variant (variant::__not_self): New helper for the
3886 is_same_v<remove_cvref_t<T>, variant>==false constraints.
3887 (variant::__to_type_impl): Remove.
3888 (variant::__to_type): Add default argument to check pack size, instead
3889 of using __to_type_impl.
3890 (variant::__accepted_type): Add default argument using __not_self.
3891 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
3892 for variant(T&&) constructor constraint.
3893 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
3894 Extract __accepted_type into a named template parameter for reuse in
3895 other constraints and in the exception specification.
3896 (variant::variant(in_place_type_t<T>, Args&&...))
3897 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
3898 (variant::variant(in_place_index_t<T>, Args&&...))
3899 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
3900 (variant::operator=T&&)): Remove redundant && from trait arguments.
3901 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
3902 isn't used for in_place_type or in_place_index arguments.
3904 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
3905 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
3906 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
3908 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3909 Bernd Edlinger <bernd.edlinger@hotmail.de>
3910 Jakub Jelinek <jakub@redhat.com>
3913 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
3914 general-regs-only target attribute for ARM.
3916 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3919 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
3920 specialization also depend on is_nothrow_move_constructible.
3921 * include/std/variant (__detail::__variant::__never_valueless()):
3922 Only true if the variant would have a move assignment operator.
3923 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
3924 Check __never_valueless<T...>().
3925 (variant::emplace): Only perform non-throwing move assignments
3926 for never-valueless alternatives if the variant has a move assignment
3928 * testsuite/20_util/variant/compile.cc: Check that never-valueless
3929 types can be emplaced into non-assignable variants.
3930 * testsuite/20_util/variant/run.cc: Check that never-valueless types
3931 don't get copied when emplaced into non-assignable variants.
3933 * include/std/variant (__detail::__variant::__ref_cast): Remove
3935 (__detail::__variant::_Uninitialized::_M_get)
3936 (__detail::__variant::__get)
3937 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
3939 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
3941 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
3943 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
3944 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
3945 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
3946 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
3948 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3950 Delegate PSTL configuration to pstl/pstl_config.h
3952 * include/bits/c++config: Remove explicit PSTL configuration
3953 macros and use definitions from <pstl/pstl_config.h>.
3955 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3957 Cleanup algorithm implementations
3958 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
3960 (mismatch): Forward execution policy.
3961 (equal): Qualify call to std::equal().
3962 (partial_sort): Forward execution policy.
3963 (inplace_merge): Forward execution policy.
3965 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
3967 Improve implementation of parallel equal()
3968 * include/pstl/algorithm_impl.h
3969 (__internal::__brick_equal): use "4 iterator" version of
3971 (__internal::__brick_equal): use simd for random access
3972 iterators on unsequenced execution policies.
3973 (__internal::__pattern_equal): add "4 iterator" version
3974 (__internal::__pattern_equal): dispatch to simd __brick_equal
3975 for vector-only execution policies.
3976 (__internal::__pattern_equal): dispatch to __parallel_or for
3977 parallel execution policies.
3978 * include/pstl/glue_algorithm_impl.h
3979 (std::equal): dispatch to "4 iterator" version of
3980 __internal::__pattern_equal().
3982 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
3985 * include/bits/forward_list.h (operator==): Do not use operator!= to
3987 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
3988 earlier in the list, so that sort is stable.
3989 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
3990 * testsuite/23_containers/forward_list/comparable.cc: Test with
3991 types that meet the minimum EqualityComparable and LessThanComparable
3992 requirements. Remove irrelevant comment.
3994 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
3995 Do not depend on whether all alternative types are move constructible.
3996 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
3997 from the operand when deciding whether to perform the assignment.
3998 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
3999 with deleted move constructor and deleted move assignment operator.
4000 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
4001 behaviour of variants with DeletedMoves as an alternative.
4002 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
4003 (move_ctor, move_assign): Check that moving a variant with a
4004 DeletedMoves alternative falls back to copying instead of moving.
4006 * testsuite/20_util/variant/compile.cc: Remove empty string literals
4007 from static_assert declarations.
4009 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
4010 actually match its name.
4011 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
4012 (test_swap()): Fix result for MoveCtorOnly and check
4013 MoveCtorAndSwapOnly.
4015 * include/std/optional (optional::value_or(U&&) &&): Add missing
4016 constexpr specifier.
4017 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
4018 for disengaged optionals and rvalue optionals.
4019 * testsuite/20_util/optional/observers/4.cc: Likewise.
4021 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
4023 * include/pstl/algorithm_impl.h: Uglify identfiers.
4024 * include/pstl/numeric_impl.h: Uglify identfiers.
4025 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
4027 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
4029 * include/bits/c++config:
4030 Add definition for __PSTL_ASSERT.
4031 Add definition for __PSTL_ASSERT_MSG.
4032 * include/pstl/algorithm_impl.h: Replace use of assert().
4033 * include/pstl/numeric_impl.h: Replace use of assert().
4034 * include/pstl/parallel_backend_tbb.h:
4035 Replace use of assert().
4036 Replace use of __TBB_ASSERT().
4037 * include/pstl/parallel_backend_utils.h: Replace use of assert().
4039 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
4042 * src/c++17/memory_resource.cc
4043 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
4044 needed to allow placing a _Chunk at the end of the buffer.
4045 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
4047 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
4049 * doc/xml/faq.xml: Add information about emergency EH pool.
4050 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
4051 Move outdated information on mt_allocator to a separate section.
4052 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
4053 doesn't affect the default allocator.
4055 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
4059 * testsuite/20_util/variant/89851.cc: New test.
4061 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
4063 * include/std/variant: Adjust whitespace. Add comments.
4064 (_Multi_array): Leave primary template undefined.
4065 (_Multi_array<_Tp>): Define partial specialization for base case of
4067 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
4068 which is always a reference.
4069 (__gen_vtable::_S_apply()): Remove function, inline body into
4070 default member initializer.
4071 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
4073 * include/std/variant (__variant_idx_cookie): Add member type.
4074 (__visitor_result_type): Remove.
4075 (__do_visit): Use invoke_result instead of __visitor_result_type.
4076 * testsuite/20_util/variant/visit.cc: New test.
4079 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
4081 * testsuite/20_util/variant/90008.cc: New test.
4083 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
4085 * include/pstl/algorithm_impl.h: Add namespace qualification.
4086 * include/pstl/execution_defs.h: Add namespace qualification.
4087 * include/pstl/execution_impl.h: Add namespace qualification.
4088 * include/pstl/numeric_impl.h: Add namespace qualification.
4089 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
4090 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
4091 * include/pstl/parallel_backend_utils.h: Include <cassert>.
4093 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
4095 Fix visit<R> for variant.
4096 * include/std/variant (__do_visit): Add a template parameter
4097 for enforcing same return types for visit.
4098 (__gen_vtable_impl): Likewise.
4099 (_S_apply_single_alt): Adjust.
4100 (__visit_invoke_impl): New. Handle casting to void.
4101 (__do_visit_invoke): New. Enforces same return types.
4102 (__do_visit_invoke_r): New. Converts return types.
4103 (__visit_invoke): Adjust.
4104 (__gen_vtable): Add a template parameter for enforcing
4105 same return types for visit.
4106 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
4107 different return types.
4108 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
4109 visitors with different return types don't accidentally
4110 compile with regular visitation.
4112 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
4114 * testsuite/27_io/filesystem/iterators/caching.cc: Add
4115 dg-require-filesystem-ts.
4117 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
4119 * doc/xml/manual/status_cxx2020.xml: Update status.
4120 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
4121 * testsuite/20_util/variant/visit_r.cc: New test.
4123 * include/bits/fs_dir.h (directory_iterator::operator*)
4124 (directory_iterator::operator->): Add noexcept.
4125 (operator==, operator!=): Replace namespace-scope equality operators
4126 for directory iterators with hidden friends.
4129 * config/abi/pre/gnu.ver: Add missing exports.
4130 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
4133 * config/abi/pre/gnu.ver: Export new symbols.
4134 * include/bits/fs_dir.h (recursive_directory_iterator::options())
4135 (recursive_directory_iterator::recursion_pending())
4136 (recursive_directory_iterator::disable_recursion_pending()): Remove
4137 inline definitions. Make noexcept.
4138 (recursive_directory_iterator::depth())
4139 (recursive_directory_iterator::operator*())
4140 (recursive_directory_iterator::operator->()): Make noexcept.
4141 (recursive_directory_iterator::_M_options)
4142 (recursive_directory_iterator::_M_pending): Remove data members.
4143 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
4144 (recursive_directory_iterator::recursive_directory_iterator): Remove
4145 ctor-initializer. Use new constructor for _Dir_stack.
4146 (recursive_directory_iterator::options())
4147 (recursive_directory_iterator::recursion_pending())
4148 (recursive_directory_iterator::disable_recursion_pending()): Add
4149 non-inline definitions.
4150 (recursive_directory_iterator::depth()): Make noexcept.
4151 (recursive_directory_iterator::increment(error_code&))
4152 (recursive_directory_iterator::pop(error_code&)): Adjust to new
4153 location of options and recursion_pending members.
4154 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
4155 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
4156 user-declared move constructor and assignment operator, to make the
4159 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
4160 d_type == DT_UNKNOWN immediately.
4161 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
4163 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
4165 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
4167 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
4168 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
4171 PR libstdc++/87431 (again)
4172 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
4173 Define partial specialization for basic_string.
4174 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
4175 shared_ptr and weak_ptr.
4176 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
4178 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
4180 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
4182 * include/debug/vector (_Never_valueless_alt): Likewise for debug
4184 * include/std/any (_Never_valueless_alt): Define explicit
4185 specialization for any.
4186 * include/std/variant (_Never_valueless_alt): Define primary template.
4187 (__never_valueless): Use _Never_valueless_alt instead of
4188 is_trivially_copyable.
4189 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
4190 initializations to avoid try-catch overhead. Add special case for
4191 scalars produced by potentially-throwing conversions. Use
4192 _Never_valueless_alt instead of is_trivially_copyable for the
4193 remaining strong exception-safety cases.
4194 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
4195 * testsuite/20_util/variant/87431.cc: Run both test functions.
4196 * testsuite/20_util/variant/exception_safety.cc: New test.
4197 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
4198 so the variant becomes valueless.
4200 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
4203 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
4205 (variant::emplace<_Tp>): Return result of emplace<N> directly.
4207 * include/std/string (__hash_string_base): New class template defining
4208 operator() for hashing strings.
4209 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
4210 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
4211 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
4212 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
4214 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
4216 Use single-visitation in variant assignment and swap and relops.
4217 Also use indices instead of types when checking whether
4218 variants hold the same thing.
4219 * include/std/variant (__do_visit): Add a template parameter
4220 for index visitation, invoke with indices if index visitation
4222 (__variant_idx_cookie): New.
4223 (__visit_with_index): Likewise.
4224 (_Copy_assign_base::operator=): Do single-visitation with
4226 (_Move_assign_base::operator=): Likewise.
4227 (_Extra_visit_slot_needed): Adjust.
4228 (__visit_invoke): Call with indices if it's an index visitor.
4229 (relops): Do single-visitation with an index visitor.
4231 (__visitor_result_type): New.
4233 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
4235 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
4237 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
4239 Don't revisit a variant we are already visiting.
4240 * include/std/variant (__variant_construct_single): New.
4241 (__variant_construct): Use it.
4242 (_M_destructive_move): Likewise.
4243 (_M_destructive_copy): Likewise.
4244 (_Copy_assign_base::operator=): Adjust.
4245 (_Move_assign_base::operator=): Likewise.
4248 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
4251 * include/bits/hashtable.h (_Hashtable): Move static assertions to
4252 destructor so they are not evaluated until the _Key type is complete.
4253 * include/bits/stl_tree.h (_Rb_tree): Likewise.
4254 * testsuite/23_containers/set/85965.cc: New test.
4255 * testsuite/23_containers/unordered_set/85965.cc: New test.
4256 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
4257 with regexp matching the corresponding _Rb_tree specialization.
4258 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
4259 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
4260 * testsuite/23_containers/set/48101_neg.cc: Likewise.
4261 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
4262 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
4263 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
4264 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
4266 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4269 Fix based on a suggestion by Antony Polukhin.
4270 * include/std/variant (__never_valueless): New.
4272 (_Extra_visit_slot_needed): New.
4273 (_Multi_array): Use it.
4274 (_S_apply_all_alts): Likewise.
4276 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4279 Fix based on a suggestion by Antony Polukhin.
4280 * include/std/variant (__gen_vtable): Don't reserve an
4281 additional table slot, _Multi_array already does that.
4283 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4286 Fix based on a suggestion by Antony Polukhin.
4287 * include/std/variant (__variant_construct): Capture a pointer
4288 to the storage and visit just one variant.
4290 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
4292 * doc/xml/manual/backwards_compatibility.xml: Remove link to
4293 Doxygen-generated pages with unstable URL.
4294 * doc/xml/manual/concurrency_extensions.xml: Likewise.
4295 * doc/xml/manual/extensions.xml: Likewise.
4296 * doc/xml/manual/parallel_mode.xml: Likewise.
4297 * doc/xml/manual/support.xml: Likewise.
4299 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
4300 avoid -Wconversion warnings.
4302 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
4304 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
4305 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
4306 (allstamped): Add stamp-pstl.
4307 (install-headers): Add ptsl_builddir.
4308 * include/Makefile.in: Regenerate.
4309 * include/bits/c++config: Add pstl configuration.
4310 * include/pstl/LICENSE.txt: New file.
4311 * include/pstl/algorithm_fwd.h: New file.
4312 * include/pstl/algorithm_impl.h: New file.
4313 * include/pstl/execution_defs.h: New file.
4314 * include/pstl/execution_impl.h: New file.
4315 * include/pstl/glue_algorithm_defs.h: New file.
4316 * include/pstl/glue_algorithm_impl.h: New file.
4317 * include/pstl/glue_execution_defs.h: New file.
4318 * include/pstl/glue_memory_defs.h: New file.
4319 * include/pstl/glue_memory_impl.h: New file.
4320 * include/pstl/glue_numeric_defs.h: New file.
4321 * include/pstl/glue_numeric_impl.h: New file.
4322 * include/pstl/memory_impl.h: New file.
4323 * include/pstl/numeric_fwd.h: New file.
4324 * include/pstl/numeric_impl.h: New file.
4325 * include/pstl/parallel_backend.h: New file.
4326 * include/pstl/parallel_backend_tbb.h: New file.
4327 * include/pstl/parallel_backend_utils.h: New file.
4328 * include/pstl/parallel_impl.h: New file.
4329 * include/pstl/pstl_config.h: New file.
4330 * include/pstl/unseq_backend_simd.h: New file.
4331 * include/pstl/utils.h: New file.
4332 * include/std/algorithm: Include parallel algorithm implementations.
4333 * include/std/execution: New file.
4334 * include/std/memory: Include parallel algorithm implementations.
4335 * include/std/numeric: Include parallel algorithm implementations.
4336 * include/std/version: Add parallel algorithms feature test macro.
4337 * testsuite/util/pstl/pstl_test_config.h: New file.
4338 * testsuite/util/pstl/test_utils.h: New file.
4339 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4340 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4341 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4342 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4343 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4344 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4345 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4346 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4347 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4348 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4349 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4350 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4351 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4352 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4353 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4354 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4355 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4356 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4357 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4358 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4359 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4360 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4361 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4362 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4363 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4364 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4365 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4366 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4367 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4368 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4369 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4370 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4371 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4372 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4373 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4374 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4375 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4376 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4377 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4378 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4379 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4380 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4381 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4382 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4383 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4384 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4385 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4386 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4387 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4388 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4389 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4390 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4391 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4392 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4393 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4394 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4395 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4396 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4397 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4398 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4399 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4400 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4401 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4402 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4403 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4404 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4405 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4406 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4407 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4408 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4409 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4410 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4411 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4412 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4413 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4414 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4415 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4416 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4417 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4418 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4419 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4420 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4421 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4422 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4423 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4424 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4425 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4426 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4427 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4428 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4429 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4430 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4431 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4432 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4433 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4434 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4435 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4436 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4437 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4438 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4439 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4440 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4441 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4442 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4443 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4444 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4446 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
4448 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
4449 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
4450 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
4451 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
4452 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
4453 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
4454 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
4455 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
4456 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
4457 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
4458 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
4459 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
4460 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
4461 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
4462 when the special functions IS is enabled, not for C++17.
4463 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
4465 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
4466 without checks for special functions in C++17.
4467 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
4471 * include/backward/hash_map: Use <> for includes not "".
4472 * include/backward/hash_set: Likewise.
4473 * include/backward/strstream: Likewise.
4474 * include/tr1/bessel_function.tcc: Likewise.
4475 * include/tr1/exp_integral.tcc: Likewise.
4476 * include/tr1/legendre_function.tcc: Likewise.
4477 * include/tr1/modified_bessel_func.tcc: Likewise.
4478 * include/tr1/riemann_zeta.tcc: Likewise.
4480 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
4482 * doc/xml/manual/allocator.xml: Link to table documenting evolution
4483 of extension allocators.
4484 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
4485 Document new headers in 7.2, 8.1 and 9.1 releases.
4486 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
4487 * doc/html/*: Regenerate.
4489 2019-03-12 John David Anglin <dave.anglin@bell.net>
4492 * testsuite/lib/libstdc++.exp: Locate libatomic.
4493 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
4494 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
4496 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
4497 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
4498 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
4499 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
4501 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
4504 * configure.ac: Check for sockatmark.
4505 * crossconfig.m4: Check for sockatmark.
4506 * config.h.in: Regenerate.
4507 * configure: Regenerate.
4508 * include/experimental/internet (address_v4::_S_hton): Rename
4509 overloaded functions to _S_hton_16 and _S_ntoh_16.
4510 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
4511 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
4512 * include/experimental/socket (basic_socket::at_mark): Check
4513 _GLIBCXX_HAVE_SOCKATMARK.
4515 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
4516 const variables instead of macros.
4519 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
4520 Use correct type for len_aligned.
4521 * testsuite/20_util/hash/89629.cc: New test.
4523 2019-03-11 Jakub Jelinek <jakub@redhat.com>
4526 * include/std/atomic (atomic<T>::store, atomic<T>::load,
4527 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
4528 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
4529 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
4530 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
4531 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
4532 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
4533 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
4534 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
4535 memory_order_seq_cst to int.
4537 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
4539 * doc/xml/manual/using.xml: Use link element instead of xref.
4540 * doc/html/*: Regenerate.
4542 * include/bits/fs_path.h (path::format): Add fixed underlying type.
4544 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
4547 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
4548 parameters in deduction guides.
4549 * include/debug/multimap.h (multimap): Likewise.
4550 * include/debug/set.h (multimap): Likewise.
4551 * include/debug/multiset.h (multimap): Likewise.
4552 * include/debug/unordered_map (unordered_map): Likewise.
4553 (unordered_multimap): Likewise.
4554 * include/debug/unordered_set (unordered_set): Likewise.
4555 (unordered_multiset): Likewise.
4558 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
4559 Invalidate all iterators in case of rehash.
4560 (unordered_multimap<>::_M_check_rehashed): Likewise.
4561 * include/debug/unordered_set
4562 (unordered_set<>::_M_check_rehashed): Likewise.
4563 (unordered_multiset<>::_M_check_rehashed): Likewise.
4564 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
4566 2019-03-07 Andreas Schwab <schwab@suse.de>
4568 * config/abi/post/riscv64-linux-gnu: New directory.
4569 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
4571 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
4573 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
4574 compile test to run. Fix typo.
4576 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
4577 * doc/html/*: Regenerate.
4579 P0356R5 Simplified partial function application
4580 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
4581 helpers for bind_front.
4582 (bind_front, __cpp_lib_bind_front): Define.
4583 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
4585 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4587 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
4588 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
4589 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
4590 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
4592 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
4594 PR libstdc++/86655 - std::assoc_legendre should not constrain
4595 the value of m (or x).
4596 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
4597 __sph_legendre): If degree > order Don't throw, return 0.
4598 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
4599 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
4600 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
4601 * testsuite/tr1/5_numerical_facilities/special_functions/
4602 02_assoc_legendre/pr86655.cc: New test.
4603 * testsuite/tr1/5_numerical_facilities/special_functions/
4604 22_sph_legendre/pr86655.cc: New test.
4606 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
4609 Also PR libstdc++/85517
4610 * include/std/variant (__do_visit): New.
4611 (__variant_cast): Likewise.
4612 (__variant_cookie): Likewise.
4613 (__erased_*): Remove.
4614 (_Variant_storage::_S_vtable): Likewise.
4615 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
4616 (_Variant_storage::__M_reset): Adjust.
4617 (__variant_construct): New.
4618 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
4619 __variant_construct.
4620 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
4621 (_Move_ctor_base::__M_destructive_copy): New.
4622 (_Move_ctor_base::__M_destructive_move): Adjust to use
4623 __variant_construct.
4624 (_Copy_assign_base::operator=): Adjust to use __do_visit.
4625 (_Copy_assign_alias): Adjust to check both copy assignment
4626 and copy construction for triviality.
4627 (_Move_assign_base::operator=): Adjust to use __do_visit.
4628 (_Multi_array): Add support for visitors that accept and return
4630 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
4631 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
4632 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
4633 a __variant_cookie temporary for a variant that is valueless and..
4634 (__gen_vtable_impl::__visit_invoke): ..adjust here.
4635 (__gen_vtable::_Array_type): Conditionally make space for
4636 the __variant_cookie visitor case.
4637 (__variant_construct_by_index): New.
4638 (get_if): Adjust to use std::addressof.
4639 (relops): Adjust to use __do_visit.
4640 (variant): Add __variant_cast and __variant_construct_by_index
4642 (variant::emplace): Use _M_reset() and __variant_construct_by_index
4643 instead of self-destruction.
4644 (variant::swap): Adjust to use __do_visit.
4645 (visit): Reimplement in terms of __do_visit.
4646 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
4647 * testsuite/20_util/variant/compile.cc: Adjust.
4648 * testsuite/20_util/variant/run.cc: Likewise.
4650 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4652 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
4654 * testsuite/experimental/feat-char8_t.cc: Likewise.
4656 * include/std/type_traits [C++20] (is_bounded_array)
4657 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
4659 * testsuite/20_util/is_bounded_array/requirements/
4660 explicit_instantiation.cc: New test.
4661 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
4663 * testsuite/20_util/is_bounded_array/value.cc: New test.
4664 * testsuite/20_util/is_unbounded_array/requirements/
4665 explicit_instantiation.cc: New test.
4666 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
4668 * testsuite/20_util/is_unbounded_array/value.cc: New test.
4670 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
4672 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
4674 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
4676 * include/c_compatibility/math.h [C++20] (lerp): Add using
4678 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
4679 (__lerp): Define function template to implement lerp.
4680 (lerp(float, float, float), lerp(double, double, double))
4681 (lerp(long double, long double, long double)): Define for C++20.
4682 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
4683 (midpoint(T, T), midpoint(T*, T*)): Define.
4684 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
4685 * testsuite/26_numerics/lerp.cc: New test.
4686 * testsuite/26_numerics/midpoint/floating.cc: New test.
4687 * testsuite/26_numerics/midpoint/integral.cc: New test.
4688 * testsuite/26_numerics/midpoint/pointer.cc: New test.
4690 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
4692 PR libstdc++/88996 Implement P0439R0
4693 Make std::memory_order a scoped enumeration.
4694 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
4695 add variables for the old enumerators. Adjust calls.
4696 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
4697 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
4699 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
4701 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
4704 * include/std/memory_resource (polymorphic_allocator): Add default
4705 template argument for C++20.
4706 (polymorphic_allocator::allocate_bytes)
4707 (polymorphic_allocator::deallocate_bytes)
4708 (polymorphic_allocator::allocate_object)
4709 (polymorphic_allocator::deallocate_object)
4710 (polymorphic_allocator::new_object)
4711 (polymorphic_allocator::delete_object): New member functions for
4713 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
4716 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
4719 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
4722 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
4724 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
4725 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
4727 * include/std/memory (uses_allocator_construction_args): New set of
4728 overloaded functions.
4729 (make_obj_using_allocator, uninitialized_construct_using_allocator):
4731 * include/std/memory_resource (polymorphic_allocator::construct)
4732 [__cplusplus > 201703l]: Replace all overloads with a single function
4733 using uses_allocator_construction_args.
4734 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
4736 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
4738 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
4741 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
4742 stylesheet directories before check for xsltproc. Try to use
4743 xmlcatalog to find local stylesheet directory before trying hardcoded
4744 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
4745 check to look for the same stylesheet as doc/Makefile.am uses. Don't
4746 use xsltproc if xmlcatalog fails to find a local stylesheet.
4747 * configure.ac: Check for xmlcatalog.
4748 * Makefile.in: Regenerate.
4749 * configure: Likewise.
4750 * doc/Makefile.in: Likewise.
4751 * include/Makefile.in: Likewise.
4752 * libsupc++/Makefile.in: Likewise.
4753 * po/Makefile.in: Likewise.
4754 * python/Makefile.in: Likewise.
4755 * src/Makefile.in: Likewise.
4756 * src/c++11/Makefile.in: Likewise.
4757 * src/c++17/Makefile.in: Likewise.
4758 * src/c++98/Makefile.in: Likewise.
4759 * src/filesystem/Makefile.in: Likewise.
4760 * testsuite/Makefile.in: Likewise.
4762 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
4765 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
4766 container deduction guides.
4767 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
4768 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
4769 parameters in deduction guides.
4770 * include/bits/stl_multimap.h (multimap): Likewise.
4771 * include/bits/stl_multiset.h (multiset): Likewise.
4772 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
4773 * include/bits/stl_set.h (set): Likewise.
4774 * include/bits/stl_stack.h (stack): Likewise.
4775 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
4776 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
4777 constrain parameters in deduction guides.
4778 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
4780 * testsuite/23_containers/map/cons/deduction.cc: Test additional
4782 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
4783 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
4784 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
4785 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
4787 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
4789 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
4792 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
4793 to class template and partial specialization using void_t.
4794 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4796 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
4799 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
4800 copy and move members public.
4802 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
4804 * include/std/type_traits (__underlying_type_impl): New helper to
4805 make underlying_type SFINAE-friendly.
4806 (underlying_type): Derive from __underlying_type_impl.
4807 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
4811 * include/bits/char_traits.h (__constant_char_array): Check index is
4812 in range before dereferencing.
4813 (char_traits<char>::compare, char_traits<char>::find)
4814 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
4815 immediately if n is zero.
4816 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
4817 Remove workarounds for PR 67026.
4818 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
4820 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
4823 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4825 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
4826 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
4828 2019-02-22 Jakub Jelinek <jakub@redhat.com>
4831 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
4832 type to std::size_t and argument to type to long double.
4834 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4836 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
4837 * config/abi/post/sparc64-linux-gnu: New directory.
4838 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
4839 * config/abi/post/sparc64-linux-gnu/32: New directory.
4840 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
4842 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4844 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
4845 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
4848 2019-02-22 Tom Honermann <tom@honermann.net>
4850 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
4851 printers for u8string and u8string_view.
4853 2019-02-22 Tom Honermann <tom@honermann.net>
4855 * testsuite/18_support/byte/ops.cc: Validate
4856 std::to_integer<char8_t>, std::to_integer<char16_t>, and
4857 std::to_integer<char32_t>.
4858 * testsuite/18_support/numeric_limits/dr559.cc: Validate
4859 std::numeric_limits<char8_t>.
4860 * testsuite/18_support/numeric_limits/lowest.cc: Validate
4861 std::numeric_limits<char8_t>::lowest().
4862 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
4863 std::numeric_limits<char8_t>::max_digits10.
4864 * testsuite/18_support/type_info/fundamental.cc: Validate
4865 typeinfo for char8_t.
4866 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
4867 std::from_chars with char8_t.
4868 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
4869 Validate explicit instantiation of std::hash<char8_t>.
4870 * testsuite/20_util/is_integral/value.cc: Validate
4871 std::is_integral<char8_t>.
4872 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
4873 Validate std::make_signed<char8_t>.
4874 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
4875 Validate u8string construction from char8_t sources.
4876 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
4878 * testsuite/21_strings/basic_string_view/operations/compare/
4879 char/70483.cc: Validate substr operations on u8string_view.
4880 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
4881 the u8string_view typedef is defined.
4882 * testsuite/21_strings/char_traits/requirements/
4883 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
4885 * testsuite/21_strings/char_traits/requirements/
4886 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
4887 constexpr member functions.
4888 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
4889 that the u8string typedef is defined.
4890 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
4891 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
4892 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
4893 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
4895 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
4896 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
4898 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
4899 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
4900 Validate std::atomic<char8_t>::is_always_lock_free
4901 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
4902 Update line numbers.
4903 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
4905 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
4907 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
4908 Validate std::experimental::pmr::u8string.
4909 * testsuite/experimental/string_view/typedefs.cc: Validate that the
4910 u8string_view typedef is defined.
4911 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
4912 char32_t to the typelists.
4914 2019-02-22 Tom Honermann <tom@honermann.net>
4916 * include/ext/typelist.h: Constrain a partial specialization of
4917 typelist::detail::append_ to only match chain<T1,T2>.
4919 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4922 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
4923 class template with class. Replace move and copy member types with
4924 member alias templates, so they are only instantiated when needed.
4925 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4926 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
4927 test for C++11/14/17 as well.
4928 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
4931 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4934 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
4935 _GLIBCXX_PURE to the alias declaration.
4937 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
4939 * testsuite/21_strings/basic_string/literals/types.cc
4940 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
4941 * testsuite/21_strings/basic_string/literals/values.cc
4942 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4943 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
4944 potentially having different type.
4945 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
4946 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
4948 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
4949 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
4950 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
4951 string literals only using basic character set.
4952 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
4953 u8 literals to char.
4954 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
4955 Test ATOMIC_CHAR8_T_LOCK_FREE.
4956 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
4957 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
4958 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
4959 * testsuite/experimental/string_view/literals/types.cc
4960 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
4962 * testsuite/experimental/string_view/literals/values.cc
4963 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4965 2019-02-19 Tom Honermann <tom@honermann.net>
4967 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
4968 from char16_32_t.cc; validates numeric_limits<char8_t>.
4969 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
4970 test cloned from types.cc; validates operator""s for char8_t
4972 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
4973 test cloned from values.cc; validates construction and comparison
4975 * testsuite/21_strings/basic_string/requirements/
4976 /explicit_instantiation/char8_t/1.cc: New test cloned from
4977 char16_t/1.cc; validates explicit instantiation of
4978 basic_string<char8_t>.
4979 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
4980 New test cloned from types.cc; validates operator""sv for char8_t
4981 returns u8string_view.
4982 * testsuite/21_strings/basic_string_view/literals/
4983 values-char8_t.cc: New test cloned from values.cc; validates
4984 construction and comparison of u8string_view values.
4985 * testsuite/21_strings/basic_string_view/requirements/
4986 explicit_instantiation/char8_t/1.cc: New test cloned from
4987 char16_t/1.cc; validates explicit instantiation of
4988 basic_string_view<char8_t>.
4989 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
4990 New test cloned from char16_t/65049.cc; validates that
4991 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
4992 * testsuite/21_strings/char_traits/requirements/char8_t/
4993 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
4994 that char_traits<char8_t> member typedefs are present and correct.
4995 * testsuite/21_strings/char_traits/requirements/
4996 explicit_instantiation/char8_t/1.cc: New test cloned from
4997 char16_t/1.cc; validates explicit instantiation of
4998 char_traits<char8_t>.
4999 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
5000 from char16_t.cc: validates
5001 codecvt<char16_t, char8_t, mbstate_t>.
5002 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
5003 from char32_t.cc: validates
5004 codecvt<char32_t, char8_t, mbstate_t>.
5005 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
5006 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
5007 codecvt<char32_t, char8_t, std::mbstate_t>.
5008 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
5009 test cloned from string.cc; validates filesystem::path construction
5011 * testsuite/experimental/feat-char8_t.cc: New test; validates that
5012 the __cpp_lib_char8_t feature test macro is defined with the
5014 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
5015 New test cloned from string.cc; validates filesystem::path
5016 construction from char8_t input.
5017 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
5018 test cloned from types.cc; validates operator""sv for char8_t
5019 returns u8string_view.
5020 * testsuite/experimental/string_view/literals/values-char8_t.cc:
5021 New test cloned from values.cc; validates construction and
5022 comparison of u8string_view values.
5023 * testsuite/experimental/string_view/requirements/
5024 explicit_instantiation/char8_t/1.cc: New test cloned from
5025 char16_t/1.cc; validates explicit instantiation of
5026 basic_string_view<char8_t>.
5027 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
5028 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
5031 2019-02-19 Tom Honermann <tom@honermann.net>
5033 P0482R5 char8_t: Standard library support
5034 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
5035 typeinfo symbols for char8_t.
5036 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
5037 (GLIBCXX_3.4.26): Add symbols for specializations of
5038 numeric_limits and codecvt that involve char8_t.
5039 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
5040 * include/bits/atomic_base.h: Add atomic_char8_t.
5041 * include/bits/basic_string.h: Add std::hash<u8string> and
5042 operator""s(const char8_t*, size_t).
5043 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
5045 * include/bits/char_traits.h: Add char_traits<char8_t>.
5046 * include/bits/codecvt.h: Add
5047 codecvt<char16_t, char8_t, mbstate_t>,
5048 codecvt<char32_t, char8_t, mbstate_t>,
5049 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5050 codecvt_byname<char32_t, char8_t, mbstate_t>.
5051 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
5052 recognize char8_t as an integral type.
5053 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
5055 (path::u8string): Return std::u8string when char8_t support is
5057 (path::generic_u8string): Likewise.
5058 (path::_S_convert): Handle conversion from char8_t input.
5059 (path::_S_str_convert): Likewise.
5060 * include/bits/functional_hash.h: Add hash<char8_t>.
5061 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
5063 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
5064 for new char8_t specializations.
5065 * include/bits/localefwd.h: Add missing declarations of
5066 codecvt<char16_t, char, mbstate_t> and
5067 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
5068 codecvt<char16_t, char8_t, mbstate_t> and
5069 codecvt<char32_t, char8_t, mbstate_t>.
5070 * include/bits/postypes.h: Add u8streampos
5071 * include/bits/stringfwd.h: Add declarations of
5072 char_traits<char8_t> and u8string.
5073 * include/c_global/cstddef: Add __byte_operand<char8_t>.
5074 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
5076 (path::u8string): Return std::u8string when char8_t support is
5078 (path::generic_u8string): Likewise.
5079 (path::_S_convert): Handle conversion from char8_t input.
5080 (path::_S_str_convert): Likewise.
5081 * include/experimental/string: Add u8string.
5082 * include/experimental/string_view: Add u8string_view,
5083 hash<experimental::u8string_view>, and
5084 operator""sv(const char8_t*, size_t).
5085 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
5086 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
5087 as a character type.
5088 * include/std/limits: Add numeric_limits<char8_t>.
5089 * include/std/string_view: Add u8string_view,
5090 hash<experimental::u8string_view>, and
5091 operator""sv(const char8_t*, size_t).
5092 * include/std/type_traits: Add __is_integral_helper<char8_t>,
5093 __make_unsigned<char8_t>, and __make_signed<char8_t>.
5094 * libsupc++/atomic_lockfree_defines.h: Define
5095 ATOMIC_CHAR8_T_LOCK_FREE.
5096 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
5097 codecvt.cc and limits.cc so that char8_t specializations of
5098 numeric_limits and codecvt and emitted.
5099 * src/c++11/Makefile.in: Likewise.
5100 * src/c++11/codecvt.cc: Define members of
5101 codecvt<char16_t, char8_t, mbstate_t>,
5102 codecvt<char32_t, char8_t, mbstate_t>,
5103 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5104 codecvt_byname<char32_t, char8_t, mbstate_t>.
5105 * src/c++11/limits.cc: Define members of
5106 numeric_limits<char8_t>.
5107 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
5108 locale_init.cc and localename.cc.
5109 * src/c++98/Makefile.in: Likewise.
5110 * src/c++98/locale_init.cc: Add initialization for the
5111 codecvt<char16_t, char8_t, mbstate_t> and
5112 codecvt<char32_t, char8_t, mbstate_t> facets.
5113 * src/c++98/localename.cc: Likewise.
5114 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
5116 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
5118 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
5119 * 27_io/filesystem/operations/resize_file.cc: Likewise.
5120 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
5122 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
5124 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
5125 * doc/html/*: Regenerate.
5127 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
5128 * doc/html/*: Regenerate.
5130 * doc/xml/manual/intro.xml: Document LWG 2586 status.
5131 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
5132 allocator type in is_constructible checks.
5133 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
5134 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
5135 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
5136 problematic type from LWG 2586 discussion.
5137 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
5138 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
5140 * configure.ac: Check for C11 timespec_get function.
5141 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
5143 * config.h.in: Regenerate.
5144 * configure: Regenerate.
5145 * include/c_global/ctime (timespec, timespec_get): Add to namespace
5146 std for C++17 and up.
5148 * doc/xml/manual/intro.xml: Document LWG 2537 status.
5149 * include/bits/stl_queue.h
5150 (priority_queue(const Compare&, const Container&, const Alloc&))
5151 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
5153 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
5155 * doc/xml/manual/intro.xml: Document LWG 2566 status.
5156 * include/bits/stl_queue.h (queue, priority_queue): Add static
5157 assertions to enforce LWG 2566 requirement on value_type.
5158 * include/bits/stl_stack.h (stack): Likewise.
5161 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
5163 * doc/xml/manual/intro.xml: Document LWG 2735 status.
5164 * include/bits/std_abs.h: Add comment about LWG 2735.
5165 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
5167 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
5170 * include/std/version [__cpp_impl_destroying_delete]
5171 (__cpp_lib_destroying_delete): Only define for C++2a and later.
5172 * libsupc++/new [__cpp_impl_destroying_delete]
5173 (__cpp_lib_destroying_delete): Likewise.
5174 (destroying_delete_t, destroying_delete): Likewise, but define even
5175 when __cpp_impl_destroying_delete is not defined.
5176 * testsuite/18_support/destroying_delete.cc: New test.
5178 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
5181 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
5182 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
5183 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
5184 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
5186 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
5189 * include/bits/fs_path.h (path::has_root_name)
5190 (path::has_root_directory, path::has_root_path)
5191 (path::has_relative_path, path::has_parent_path)
5192 (path::has_filename, path::has_stem, path::has_extension)
5193 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
5195 * src/c++17/fs_path.cc (path::has_root_name)
5196 (path::has_root_directory, path::has_root_path)
5197 (path::has_relative_path, path::has_parent_path)
5198 (path::has_filename, path::_M_find_extension): Add noexcept.
5200 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
5202 PR libstdc++/89102 (partial)
5203 * include/std/type_traits (common_type<>): Define.
5204 (common_type<T>): Derive from common_type<T, T>.
5205 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
5206 Test zero-length template argument list.
5207 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
5208 Test additional single argument cases.
5209 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
5210 Adjust expected error.
5212 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
5215 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
5217 * include/bits/stl_stack.h (stack): Likewise.
5218 * testsuite/23_containers/priority_queue/deduction.cc: New test.
5219 * testsuite/23_containers/queue/deduction.cc: New test.
5220 * testsuite/23_containers/stack/deduction.cc: New test.
5223 * include/std/type_traits (__is_convertible_helper)
5224 (__is_convertible_helper<_From, _To, false>): Revert changes to
5225 support is_nothrow_convertible.
5226 (__is_nt_convertible_helper): New helper.
5227 (is_nothrow_convertible): Use __is_nt_convertible_helper.
5229 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
5230 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
5233 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
5234 __is_alloc_insertable_impl. Replace single type member with two
5235 members, one for each of copy and move insertable.
5236 (__is_move_insertable): New trait for internal use.
5237 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
5238 (vector::_S_nothrow_relocate(true_type)): New functions to
5239 conditionally check if __relocate_a can throw.
5240 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
5241 on __is_move_insertable.
5242 (vector::_S_do_relocate): New overloaded functions to conditionally
5244 (vector::_S_relocate): New function that dispatches to _S_do_relocate
5245 based on _S_use_relocate.
5246 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5247 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
5248 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
5251 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
5252 parameter unnamed. Add message to static assertion.
5253 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5254 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
5257 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
5260 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
5262 (__is_bitwise_relocatable): ... to this.
5263 (__relocate_a_1): Adapt.
5264 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
5265 (__is_bitwise_relocatable): ... to this.
5267 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
5270 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
5271 final component as well as from _M_pathname. Append the dot using
5272 operator+= instead of only to _M_pathname.
5273 (path::_M_find_extension): Reformat slightly.
5274 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5275 Add more test cases.
5277 2019-01-30 Ulrich Drepper <drepper@redhat.com>
5279 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
5281 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
5283 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
5284 constexpr specifiers from arg and proj.
5286 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
5287 __shared_ptr instantiations used by gcc4-compatible ABI.
5289 * include/experimental/forward_list (experimental::erase): Qualify
5291 * include/experimental/list (experimental::erase): Likewise.
5292 * include/std/forward_list (std::erase): Likewise.
5293 * include/std/list (std::erase): Likewise.
5295 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
5297 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
5298 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
5299 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
5300 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
5301 * testsuite/ext/array_allocator/26875.cc: Likewise.
5302 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
5303 * testsuite/util/replacement_memory_operators.h: Likewise.
5304 * testsuite/util/testsuite_allocator.h: Likewise.
5306 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
5307 normal mode vector, even for debug mode.
5308 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
5309 Define alias template for normal mode vector.
5311 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
5314 * config/locale/generic/c_locale.h (__convert_from_v)
5315 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5316 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5317 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
5318 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5320 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
5323 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
5324 data member with static member function _S_use_relocate().
5325 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5326 (vector::_M_default_append): Use _S_use_relocate() instead of
5329 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
5332 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
5335 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
5336 write to stderr instead of using printf.
5338 2019-01-21 Jakub Jelinek <jakub@redhat.com>
5341 * include/bits/char_traits.h (__constant_string_p,
5342 __constant_char_array_p): Use __builtin_is_constant_evaluated if
5345 2019-01-20 Ulrich Drepper <drepper@redhat.com>
5347 Implement C++20 P0600r1.
5348 * include/backward/hash_map: Add nodiscard attribute to empty.
5349 * include/backward/hash_set: Likewise.
5350 * backward/hashtable.h: Likewise.
5351 * include/bits/basic_string.h: Likewise.
5352 * include/bits/forward_list.h: Likewise.
5353 * include/bits/hashtable.h: Likewise.
5354 * include/bits/regex.h: Likewise.
5355 * include/bits/stl_deque.h: Likewise.
5356 * include/bits/stl_list.h: Likewise.
5357 * include/bits/stl_map.h: Likewise.
5358 * include/bits/stl_multimap.h: Likewise.
5359 * include/bits/stl_multiset.h: Likewise.
5360 * include/bits/stl_queue.h: Likewise.
5361 * include/bits/stl_set.h: Likewise.
5362 * include/bits/stl_stack.h: Likewise.
5363 * include/bits/stl_tree.h: Likewise.
5364 * include/bits/stl_vector.h: Likewise.
5365 * include/bits/unordered_map.h: Likewise.
5366 * include/bits/unordered_set.h: Likewise.
5367 * include/debug/array: Likewise.
5368 * include/experimental/any: Likewise.
5369 * include/experimental/bits/fs_path.h: Likewise.
5370 * include/experimental/internet: Likewise.
5371 * include/experimental/string_view: Likewise.
5372 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
5374 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
5376 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
5378 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
5380 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
5382 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
5384 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
5386 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
5388 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5389 info_fn_imps.hpp: Likewise.
5390 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5391 left_child_next_sibling_heap_.hpp: Likewise.
5392 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
5394 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
5396 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
5398 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
5400 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
5402 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
5404 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
5406 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
5407 * include/ext/pb_ds/trie_policy.hpp: Likewise.
5408 * include/ext/rope: Likewise.
5409 * include/ext/slist: Likewise.
5410 * include/ext/vstring.h: Likewise.
5411 * include/profile/array: Likewise.
5412 * include/std/array: Likewise.
5413 * include/tr1/array: Likewise.
5414 * include/tr1/hashtable.h: Likewise.
5415 * include/tr1/regex: Likewise.
5416 * include/tr2/dynamic_bitset: Likewise.
5417 * include/bits/alloc_traits.h: Add nodiscard attribute to
5419 * include/experimental/memory_resource: Likewise.
5420 * include/ext/alloc_traits.h: Likewise.
5421 * include/ext/array_allocator.h: Likewise.
5422 * include/ext/bitmap_allocator.h: Likewise.
5423 * include/ext/debug_allocator.h: Likewise.
5424 * include/ext/extptr_allocator.h: Likewise.
5425 * include/ext/mt_allocator.h: Likewise.
5426 * include/ext/new_allocator.h: Likewise.
5427 * include/ext/pool_allocator.h: Likewise.
5428 * include/ext/throw_allocator.h: Likewise.
5429 * include/std/scoped_allocator: Likewise.
5430 * libsupc++/eh_alloc.cc: Likewise.
5431 * include/std/future: Add nodiscard attribute to async.
5432 * libsupc++/new: Add nodiscard attribute to new.
5434 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
5439 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
5440 * include/bits/shared_ptr.h
5441 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
5442 (allocate_shared): Change to use new tag type.
5443 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
5444 Declare new member function.
5445 (_Sp_alloc_shared_tag): Define new type.
5446 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
5447 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
5448 _Sp_make_shared_tag::_S_eq to check type_info.
5449 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
5450 Constrain to prevent being called with _Sp_alloc_shared_tag.
5451 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
5452 Replace constructor with ...
5453 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
5454 reference parameter so address of the new object can be returned to
5455 the caller. Obtain the allocator from the tag type.
5456 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
5457 constructor with ...
5458 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
5459 to the __shared_count constructor.
5460 (__allocate_shared): Change to use new tag type.
5461 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
5463 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
5465 * src/c++17/fs_ops.cc
5466 (equivalent(const path&, const path&, error_code&))
5467 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
5468 compare files instead of relying on incomplete info returned by stat.
5471 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
5472 if the path is already absolute.
5473 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
5474 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
5477 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
5478 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
5479 of filesystem::exists.
5480 (create_directories(const path&, error_code&)): Add assertions.
5481 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
5482 Add workaround for bug in _wstat for paths with trailing slash.
5483 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
5484 for expected behaviour on mingw.
5485 * testsuite/experimental/filesystem/operations/create_directories.cc:
5487 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
5488 "TMP" instead of "TMPDIR" and clean environment before each test. Do
5489 not test permissions on mingw targets.
5491 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
5493 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
5494 constructors and open members taking wide strings. Fix patterns for
5495 filesystem::path members to match wstring_view parameters. Add
5496 exports for shared_ptr members used by directory iterators.
5497 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
5498 error code parameter if the file doesn't exist.
5499 * src/filesystem/ops.cc (remove(const path&, error_code&)):
5501 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
5502 values for mingw targets, where "/" is not an absolute path. Do not
5503 test symlinks on mingw targets.
5504 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5505 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
5507 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5508 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
5509 that each component of the path is created.
5510 * testsuite/experimental/filesystem/operations/create_directories.cc:
5512 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
5513 permissions on mingw targets.
5514 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5515 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5516 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5517 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
5519 * testsuite/experimental/filesystem/operations/permissions.cc:
5521 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
5522 symlinks or permissions on mingw targets.
5523 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5524 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
5525 symlinks on mingw targets.
5526 * testsuite/experimental/filesystem/operations/remove_all.cc:
5528 * testsuite/27_io/filesystem/operations/status.cc: Do not test
5529 permissions on mingw targets.
5530 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
5531 test symlinks on mingw targets.
5532 * testsuite/experimental/filesystem/operations/space.cc: Fix test
5535 2019-02-14 Ulrich Drepper <drepper@redhat.com>
5538 Warn about unused comparisons of shared_ptr/unique_ptr
5539 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
5540 * include/bits/shared_ptr.h: Use it for operator ==, !=,
5541 <, <=, >, >= for shared_ptr.
5542 * include/bits/unique_ptr.h: Likewise for unique_ptr.
5544 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
5546 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
5547 as 201611L, because P0497R0 changes are supported.
5548 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
5550 * include/bits/erase_if.h [__cplusplus > 201703L]
5551 (__cpp_lib_erase_if): Only define for C++2a.
5552 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5553 (__cpp_lib_null_iterators): Define.
5554 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5555 (__cpp_lib_null_iterators): Define.
5556 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
5558 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
5560 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
5562 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
5563 changes are supported.
5564 * include/std/optional (__cpp_lib_optional): Likewise.
5565 * include/std/variant (__cpp_lib_variant): Likewise.
5566 * include/std/version [!__STRICT_ANSI__]
5567 (__cpp_lib_uncaught_exceptions): Define as long integer.
5568 [__cplusplus >= 201703L] (__cpp_lib_any)
5569 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
5570 (__cpp_lib_variant): Define for C++17.
5571 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
5573 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
5576 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
5578 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
5582 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
5584 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
5587 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5589 * doc/xml/manual/intro.xml: Include new section.
5590 * doc/xml/manual/status_cxx2017.xml: Document more
5591 implementation-defined properties of the library.
5592 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
5593 * doc/html/*: Regenerate.
5595 * include/bits/refwrap.h [__cplusplus > 201703L]
5596 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
5597 (_Reference_wrapper_base_memfun): Do not define for C++2a.
5598 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
5600 (reference_wrapper::operator()): Add static assertion.
5601 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
5603 * include/std/chrono (duration_values::zero(), duration_values::min())
5604 (duration_values::max()): Add noexcept.
5605 (duration::zero(), duration::min(), duration::max()): Likewise.
5606 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
5607 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
5608 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
5610 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
5612 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5614 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
5615 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
5617 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5620 * include/bits/functional_hash.h (hash<nullptr_t>): Define
5621 specialization for C++17 (P0513R0, LWG 2817).
5622 * testsuite/20_util/hash/nullptr.cc: New test.
5625 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
5626 pattern for std::basic_stringbuf::str().
5628 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
5629 basic_ostream::operator<< patterns.
5631 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5633 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
5634 test failures on targets with 32-bit time_t.
5636 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
5637 * include/std/deque: Likewise.
5638 * include/std/forward_list: Likewise.
5639 * include/std/list: Likewise.
5640 * include/std/string: Likewise.
5641 * include/std/vector: Likewise.
5642 * include/std/version: Likewise.
5643 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
5644 * testsuite/23_containers/deque/erasure.cc: Likewise.
5645 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
5646 * testsuite/23_containers/list/erasure.cc: Likewise.
5647 * testsuite/23_containers/map/erasure.cc: Likewise.
5648 * testsuite/23_containers/set/erasure.cc: Likewise.
5649 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
5650 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
5651 * testsuite/23_containers/vector/erasure.cc: Likewise.
5653 * include/experimental/internet [AI_NUMERICSERV]
5654 (resolver_base::numeric_service): Define conditionally.
5655 * testsuite/experimental/net/internet/resolver/base.cc: Test it
5657 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
5660 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
5661 Jonathan Wakely <jwakely@redhat.com>
5664 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
5665 (GLIBCXX_3.4.26): Add new exports.
5666 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
5667 correct list of sources.
5668 * include/Makefile.in: Regenerate.
5669 * include/std/ostream (operator<<(nullptr_t)): New member function.
5670 * src/c++17/ostream-inst.cc: New file.
5671 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
5674 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5676 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
5677 of the source file containing the caller.
5678 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
5679 directories created by test.
5680 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5682 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5684 * testsuite/experimental/filesystem/iterators/
5685 recursive_directory_iterator.cc: Likewise.
5687 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5689 PR tree-optimization/88775
5690 * include/bits/stl_function.h (greater<_Tp*>::operator(),
5691 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
5692 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
5693 instead of __builtin_constant_p if available. Don't bother with
5694 the pointer comparison in C++11 and earlier.
5696 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5700 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
5703 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
5705 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
5706 for filesystem::path. Give variables more distinctive names.
5708 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
5709 member function to perform non-trivial assignment.
5710 (_Optional_payload_base::_M_move_assign): Likewise.
5711 (_Optional_payload<T, true, false, true>::operator=)
5712 (_Optional_payload<T, true, true, false>::operator=)
5713 (_Optional_payload<T, true, false, false>::operator=): Call
5714 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
5717 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
5718 test std::complex<long double> if long double format is IBM128.
5719 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
5722 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5724 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
5725 for old std::unique_ptr layout.
5726 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
5727 to become valueless. Add filesystem::path tests.
5730 * include/std/optional (_Optional_payload_base): New class template
5731 for common code hoisted from _Optional_payload specializations. Use
5732 a template for the union, to allow a partial specialization for
5733 types with non-trivial destructors. Add constructors for in-place
5734 initialization to the union.
5735 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
5736 to perform non-trivial copy construction, instead of relying on
5737 non-standard copy elision in a delegating constructor.
5738 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
5739 non-trivial move construction.
5740 (_Optional_payload): Derive from _Optional_payload_base and use it
5741 for everything except the non-trivial assignment operators, which are
5743 (_Optional_payload<false, C, M>): Derive from the specialization
5744 _Optional_payload<true, false, false> and add a destructor.
5745 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
5746 Forward to corresponding members of _Optional_payload.
5747 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
5748 Hoist common members from _Optional_base.
5749 (_Optional_base): Make all members and base class public.
5750 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
5751 _Optional_base_impl.
5752 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
5753 support for new std::optional layout.
5754 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
5757 * include/bits/locale_conv.h: Use <> for includes not "".
5758 * include/ext/random: Likewise.
5759 * include/ext/vstring.h: Likewise.
5761 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5763 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
5764 (GLIBCXX_3.4.21): Likewise.
5766 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5769 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
5770 to match the one that controls whether utimbuf and utime are declared.
5772 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
5775 * include/bits/char_traits.h (char_traits::move): Do not pass null
5776 pointers to memmove.
5777 * include/bits/locale_facets.h
5778 (ctype<char>::widen(const char*, const char*, char*)): Do not
5779 pass null pointers to memcpy.
5780 (ctype<char>::narrow(const char*, const char*, char, char*)):
5782 (ctype<char>::do_widen(const char*, const char*, char*)):
5784 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
5787 * doc/xml/manual/spine.xml: Update copyright years.
5788 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
5789 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
5790 for C++17 filesystem library.
5791 * doc/html/*: Regenerate.
5793 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
5794 * config.h.in: Regenerate.
5795 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
5796 alphabetically and add missing entries for copy_symlink,
5797 hard_link_count, rename, and resize_file.
5798 * configure: Regenerate.
5799 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
5800 used unconditionally.
5801 * src/filesystem/ops-common.h (__gnu_posix::truncate)
5802 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
5803 supports truncating to zero length.
5804 * testsuite/27_io/filesystem/operations/all.cc: New test.
5805 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
5807 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
5810 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
5811 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
5812 * config.h.in: Regenerate.
5813 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
5814 remaining std::filesystem types and functions.
5815 * configure: Regenerate.
5816 * src/c++17/Makefile.am: Add C++17 filesystem sources.
5817 * src/c++17/Makefile.in: Regenerate.
5818 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
5819 here, and change name of included file.
5820 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
5821 here, and change name of included file.
5822 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
5823 path to dir-common.h.
5824 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
5825 path to ops-common.h. Disable -Wunused-parameter warnings.
5826 (internal_file_clock): Define unconditionally.
5827 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
5829 (do_copy_file, do_space): Move definitions to ops.common.h.
5830 (copy, file_size, hard_link_count, last_write_time, space): Only
5831 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
5833 (last_write_time, read_symlink): Remove unused attributes from
5835 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
5836 * src/filesystem/Makefile.in: Regenerate.
5837 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
5838 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
5839 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
5840 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
5841 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
5842 dummy types and functions instead of using #error.
5843 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
5844 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
5846 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
5847 (do_copy_file, do_space): Move definitions here from std-ops.cc.
5848 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
5849 to account for new namespace.
5850 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
5851 -lstdc++fs from dg-options.
5852 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
5853 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
5854 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
5855 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
5856 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
5858 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
5859 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5861 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
5862 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
5863 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
5864 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
5865 * testsuite/27_io/filesystem/operations/create_directories.cc:
5867 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
5868 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
5869 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
5870 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
5871 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
5872 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
5873 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5874 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
5875 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
5876 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
5877 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
5878 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
5879 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
5880 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
5881 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
5882 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
5883 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
5884 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
5886 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
5890 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
5891 typeinfo and vtables less greedy.
5892 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
5893 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
5894 * src/c++17/Makefile.in: Regenerate.
5895 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
5896 here, and change name of included file.
5897 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
5898 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
5900 * src/filesystem/Makefile.in: Regenerate.
5901 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
5902 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
5903 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
5904 from dg-options and remove dg-require-filesystem-ts.
5905 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
5906 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
5907 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
5908 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
5909 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
5910 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
5911 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
5912 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
5913 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
5914 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
5915 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
5916 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
5917 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
5918 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
5919 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
5920 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
5921 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
5922 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
5923 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
5924 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
5925 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
5927 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
5928 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
5929 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
5930 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
5931 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
5932 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
5933 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
5934 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
5935 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
5936 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
5937 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
5938 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
5940 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
5942 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5944 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
5946 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
5947 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
5948 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
5949 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
5950 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
5951 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
5952 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
5953 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
5954 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
5955 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
5957 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
5958 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
5959 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
5960 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
5961 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
5964 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
5965 Check is_trivially_copyable instead of is_scalar.
5966 (variant::emplace<N, Args>(Args&&...)): If construction of the new
5967 contained value can throw and its type is trivially copyable then
5968 construct into a temporary variant and move from it, to provide the
5969 strong exception safety guarantee.
5970 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
5972 * testsuite/20_util/variant/87431.cc: New test.
5973 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
5974 conversion causes valueless state.
5977 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
5978 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
5979 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
5980 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
5981 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
5983 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
5985 * include/bits/fs_fwd.h (__file_clock): Define new clock.
5986 (file_time_type): Redefine in terms of __file_clock.
5987 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
5989 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
5991 (internal_file_lock): New helper type for accessing __file_clock.
5992 (do_copy_file): Use internal_file_lock to convert system time to
5994 (last_write_time(const path&, error_code&)): Likewise.
5995 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
5997 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
5999 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
6000 for const member functions of std::basic_string.
6001 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
6003 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
6004 Make non-standard constructor private.
6005 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
6007 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
6008 explicit instantiations for C++17 as well as earlier dialects.
6009 * src/c++17/Makefile.am: Add new source files.
6010 * src/c++17/Makefile.in: Regenerate.
6011 * src/c++17/cow-string-inst.cc: New file defining explicit
6012 instantiations for basic_string member functions added in C++17.
6013 * src/c++17/string-inst.cc: Likewise.
6015 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
6016 copy/move constructors for old std::basic_string.
6017 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
6018 (basic_string::reference, basic_string::const_reference): Define
6019 as plain references for C++11 and later.
6020 (basic_string::basic_string()): Put constructor body outside
6021 preprocessor conditional groups.
6022 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
6023 instead of copying it.
6024 (basic_string::basic_string(const basic_string&, const _Alloc&)):
6026 (basic_string::basic_string(basic_string&&, const _Alloc&)):
6028 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
6029 cases for old basic_string.
6030 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
6031 allocator-extended constructors unconditionally. Add extra members to
6032 allocator type when using old string ABI.
6033 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
6035 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
6037 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
6038 -fno-inline added to test flags.
6040 * testsuite/21_strings/basic_string/requirements/
6041 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
6043 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
6044 assertion failures with old std::string ABI.
6046 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
6048 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
6049 functions that will only erase elements at the end.
6050 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
6051 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
6052 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
6054 (path::_List::pop_back()): Define.
6055 (path::_List::_M_erase_from(const_iterator)): Define.
6056 (path::operator/=(const path&)): Use pop_back to remove last component
6057 and _M_erase_from to remove multiple components.
6058 (path::_M_append(basic_string_view<value_type>)): Likewise.
6059 (path::operator+=(const path&)): Likewise.
6060 (path::_M_concat(basic_string_view<value_type>)): Likewise.
6061 (path::remove_filename()): Likewise.
6062 (path::lexically_normal()): Use _List::_Impl iterators instead of
6063 path::iterator. Use pop_back to remove components from the end. Clear
6064 trailing filename, instead of using erase(const_iterator) to remove
6065 a non-final component.
6066 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
6068 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
6070 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
6071 incorrect treatment of empty filename after trailing slash.
6072 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
6074 * testsuite/21_strings/basic_string/modifiers/assign/char/
6075 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
6077 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
6078 move_assign_optim.cc: Likewise.
6080 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6081 Jakub Jelinek <jakub@redhat.com>
6084 * include/experimental/memory: Replace UTF-8 quote characters.
6085 * include/std/future: Replace UTF-8 "em dash" characters.
6087 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6090 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
6091 * include/debug/forward_list: Likewise.
6092 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
6094 * include/experimental/chrono: Likewise.
6095 * include/experimental/functional: Likewise.
6096 * include/experimental/ratio: Likewise.
6097 * include/experimental/system_error: Likewise.
6098 * include/experimental/tuple: Likewise.
6099 * include/experimental/type_traits: Likewise.
6100 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
6101 * include/parallel/multiseq_selection.h: Likewise.
6104 * config/abi/pre/gnu.ver: Add missing exports.
6105 * testsuite/22_locale/collate_byname/88681.cc: New test.
6106 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
6107 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
6109 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
6111 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
6112 initializer_list<value_type> and from input iterator ranges.
6113 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
6115 * testsuite/experimental/string_view/element_access/char/empty.cc:
6116 Fix year range in copyright header.
6118 2019-01-02 Joel Brobecker <brobecker@adacore.com>
6120 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
6121 Fix year range in copyright header.
6123 2019-01-01 Jakub Jelinek <jakub@redhat.com>
6125 Update copyright years.
6127 Copyright (C) 2019 Free Software Foundation, Inc.
6129 Copying and distribution of this file, with or without modification,
6130 are permitted in any medium without royalty provided the copyright
6131 notice and this notice are preserved.