1 2019-10-25 Jonathan Wakely <jwakely@redhat.com>
3 * include/bits/allocator.h: Check __cpp_constexpr_dynamic_alloc
4 before making the std::allocator destructor constexpr.
5 * testsuite/20_util/allocator/requirements/constexpr.cc: New test.
7 * include/bits/range_cmp.h: Check __cpp_lib_concepts before defining
9 * include/bits/allocator.h
11 2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
13 * doc/xml/manual/policy_data_structures_biblio.xml: Switch
14 pubs.opengroup.org to https.
16 2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
18 * doc/xml/gnu/gpl-3.0.xml: Switch www.gnu.org to https.
20 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
22 * doc/xml/manual/status_cxx2020.xml: Add rows and update status.
24 2019-10-24 Jonathan Wakely <jwakely@redhat.com>
26 * include/bits/allocator.h (allocator<void>): Restore the explicit
27 specialization for C++20, but make its API consistent with the primary
29 (allocator::~allocator()): Restore the destructor for C++20, but make
31 * testsuite/20_util/allocator/rebind_c++20.cc: Check allocator<void>.
32 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc: Likewise.
33 * testsuite/20_util/allocator/void.cc: Check that constructors and
34 destructors are trivial. Check for converting constructor in C++20.
35 * testsuite/ext/malloc_allocator/variadic_construct.cc: Simplify
36 dejagnu target selector.
37 * testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
39 * include/experimental/executor (__use_future_ct, use_future_t):
40 Define partial specializations for std::allocator.
41 (__use_future_ch): Overload constructor for completion tokens using
44 PR libstdc++/88338 Implement P0898R3, C++20 concepts library
45 * doc/xml/manual/status_cxx2020.xml: Update status.
46 * doc/html/*: Regenerate.
47 * testsuite/std/concepts/1.cc: New test.
48 * testsuite/std/concepts/2.cc: New test.
50 * include/bits/random.h (uniform_random_bit_generator): Define for
52 * testsuite/26_numerics/random/concept.cc: New test.
53 * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error line.
55 2019-10-23 Jonathan Wakely <jwakely@redhat.com>
57 * include/std/functional (invoke): Add constexpr for C++20.
58 * include/std/version (__cpp_lib_constexpr_invoke): Define.
59 * testsuite/20_util/function_objects/invoke/constexpr.cc: New test.
61 PR c++/91369 Implement P0784R7 changes to allocation and construction
62 * include/bits/alloc_traits.h: Include <bits/stl_construct.h>.
63 (allocator_traits::_S_allocate, allocator_traits::_S_construct)
64 (allocator_traits::_S_destroy, allocator_traits::_S_max_size)
65 (allocator_traits::_S_select, allocator_traits::allocate)
66 (allocator_traits::deallocate, allocator_traits::construct)
67 (allocator_traits::destroy, allocator_traits::max_size)
68 (allocator_traits::select_on_container_copy_construction)
69 (allocator_traits<allocator<T>>): Add constexpr specifier for C++20.
70 (allocator_traits<allocator<T>>::construct): Use construct_at.
71 (allocator_traits<allocator<T>>::destroy): Use destroy_at.
72 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Add constexpr
74 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
75 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move here
76 from <bits/stl_construct.h>.
77 * include/bits/allocator.h (allocator::~allocator): Remove for C++20.
78 (allocator::allocate, allocate::deallocate): Define for C++20 and up.
79 (operator==, operator!=): Add constexpr specifier for C++20.
80 * include/bits/stl_construct.h: Don't include <ext/alloc_traits.h>.
81 (destroy_at): For C++20 add constexpr specifier and support for
83 (construct_at): Define new function for C++20.
84 (_Construct): Return result of placement new-expression. For C++11 and
85 up add constexpr. For C++20 dispatch to std::construct_at during
87 (_Destroy(pointer)): Add constexpr specifier. For C++20 dispatch to
88 std::destroy_at during constant evaluation.
89 (_Destroy_aux::__destroy, _Destroy_n_aux::__destroy_n): Add constexpr
91 (_Destroy(ForwardIterator, ForwardIterator))
92 (_Destroy(ForwardIterator, Size)): Likewise. Do not elide trivial
93 destructors during constant evaluation.
94 (destroy, destroy_n): Add constexpr specifier for C++20.
95 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
96 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move to
97 <bits/alloc_traits.h>, to remove dependency on allocators.
98 * include/bits/stl_uninitialized.h: Include <ext/alloc_traits.h>.
99 Include <bits/stl_pair.h> instead of <utility>.
100 * include/ext/alloc_traits.h: Always include <bits/alloc_traits.h>.
101 (__alloc_traits::construct, __alloc_traits::destroy)
102 (__alloc_traits::_S_select_on_copy, __alloc_traits::_S_on_swap): Add
104 * include/ext/malloc_allocator.h (operator==, operator!=): Add
105 constexpr specifier for C++20.
106 * include/ext/new_allocator.h (operator==, operator!=): Likewise.
107 * testsuite/20_util/headers/memory/synopsis.cc: Add constexpr.
108 * testsuite/20_util/scoped_allocator/69293_neg.cc: Ignore additional
109 errors due to constexpr function called after failed static_assert.
110 * testsuite/20_util/specialized_algorithms/construct_at/1.cc: New test.
111 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
112 Ignore additional errors due to constexpr function called after failed
114 * testsuite/23_containers/vector/cons/destructible_neg.cc: Likewise.
116 * testsuite/20_util/bind/91371.cc: Fix test to compile as C++11.
118 * include/debug/helper_functions.h (__valid_range): Change
119 _GLIBCXX_CONSTEXPR to _GLIBCXX14_CONSTEXPR.
121 * include/ext/throw_allocator.h (throw_allocator_base): Qualify
122 size_t and ptrdiff_t.
124 * include/ext/pb_ds/detail/bin_search_tree_/bin_search_tree_.hpp:
125 Use detail::rebind_traits.
126 * include/ext/pb_ds/detail/bin_search_tree_/node_iterators.hpp:
128 * include/ext/pb_ds/detail/bin_search_tree_/traits.hpp: Likewise.
129 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp: Likewise.
130 * include/ext/pb_ds/detail/binary_heap_/entry_cmp.hpp: Likewise.
131 * include/ext/pb_ds/detail/binary_heap_/entry_pred.hpp: Likewise.
132 * include/ext/pb_ds/detail/binary_heap_/point_const_iterator.hpp:
134 * include/ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp:
136 * include/ext/pb_ds/detail/branch_policy/branch_policy.hpp: Likewise.
137 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp: Likewise.
138 * include/ext/pb_ds/detail/cond_dealtor.hpp: Likewise.
139 * include/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp (has_eq_fn): Likewise.
140 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp: Likewise.
141 * include/ext/pb_ds/detail/hash_fn/ranged_hash_fn.hpp: Likewise.
142 * include/ext/pb_ds/detail/hash_fn/ranged_probe_fn.hpp: Likewise.
143 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
144 left_child_next_sibling_heap_.hpp: Likewise.
145 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/node.hpp:
147 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
148 point_const_iterator.hpp: Likewise.
149 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp: Likewise.
150 * include/ext/pb_ds/detail/ov_tree_map_/
151 constructors_destructor_fn_imps.hpp: Likewise.
152 * include/ext/pb_ds/detail/ov_tree_map_/node_iterators.hpp: Likewise.
153 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hpp: Likewise.
154 * include/ext/pb_ds/detail/pairing_heap_/pairing_heap_.hpp: Likewise.
155 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp: Likewise.
156 * include/ext/pb_ds/detail/pat_trie_/pat_trie_base.hpp: Likewise.
157 * include/ext/pb_ds/detail/rb_tree_map_/node.hpp: Likewise.
158 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp: Likewise.
159 * include/ext/pb_ds/detail/splay_tree_/node.hpp: Likewise.
160 * include/ext/pb_ds/detail/thin_heap_/thin_heap_.hpp: Likewise.
161 * include/ext/pb_ds/detail/trie_policy/sample_trie_access_traits.hpp:
163 * include/ext/pb_ds/detail/type_utils.hpp: Fix typo in comment.
164 * include/ext/pb_ds/detail/types_traits.hpp (stored_value): Add
165 bool parameter to control whether the hash value is stored.
166 (select_base_type): New class template and partial specialization.
167 (maybe_null_type): Likewise.
168 (rebind_traits): New class template.
169 (type_base): Remove four nearly identical specializations.
170 (type_dispatch): Remove.
171 (type_traits): Use select_base_type and maybe_null_type instead of
172 type_base to control differences between specializations.
173 * include/ext/pb_ds/list_update_policy.hpp: Use detail::rebind_traits.
174 * include/ext/pb_ds/priority_queue.hpp: Likewise.
175 * include/ext/pb_ds/tree_policy.hpp: Likewise.
176 * include/ext/pb_ds/trie_policy.hpp: Likewise.
178 * include/backward/hash_set (hash_set): Use __alloc_traits.
179 * include/backward/hashtable.h (_Hashtable): Likewise.
180 * include/ext/alloc_traits.h (__alloc_traits::allocate): Add overload
182 * include/ext/extptr_allocator.h (_ExtPtr_allocator::allocate): Ignore
184 * include/ext/slist (_Slist_base): Use __alloc_traits.
185 * include/tr1/hashtable.h (_Hashtable): Likewise.
186 * include/tr1/regex (match_results): Use vector::const_reference
187 instead of assuming the allocator defines it.
188 * testsuite/backward/hash_map/23528.cc: Use allocator_traits in C++11.
189 * testsuite/tr1/6_containers/unordered_map/capacity/29134-map.cc: Use
190 __gnu_test::max_size.
191 * testsuite/tr1/6_containers/unordered_multimap/capacity/
192 29134-multimap.cc: Likewise.
193 * testsuite/tr1/6_containers/unordered_multiset/capacity/
194 29134-multiset.cc: Likewise.
195 * testsuite/tr1/6_containers/unordered_set/capacity/29134-set.cc:
198 2019-10-22 Jonathan Wakely <jwakely@redhat.com>
200 * testsuite/util/testsuite_abi.h: Restore use of tr1/unordered_map
201 when compiled as C++98.
203 * include/bits/memoryfwd.h (uses_allocator): Do not declare for C++98.
204 * testsuite/17_intro/names.cc: Check uses_allocator in C++98.
206 * include/bits/alloc_traits.h
207 (allocator_traits<allocator<T>>::allocate): Ignore hint for C++20.
208 (allocator_traits<allocator<T>>::construct): Perform placement new
209 directly for C++20, instead of calling allocator<T>::construct.
210 (allocator_traits<allocator<T>>::destroy): Call destructor directly
211 for C++20, instead of calling allocator<T>::destroy.
212 (allocator_traits<allocator<T>>::max_size): Return value directly
213 for C++20, instead of calling std::allocator<T>::max_size().
214 (__do_alloc_on_copy, __do_alloc_on_move, __do_alloc_on_swap): Do not
215 define for C++17 and up.
216 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Use if-constexpr
217 for C++17 and up, instead of tag dispatching.
218 * include/bits/allocator.h (allocator<void>): Remove for C++20.
219 (allocator::pointer, allocator::const_pointer, allocator::reference)
220 (allocator::const_reference, allocator::rebind): Remove for C++20.
221 * include/bits/basic_string.h (basic_string): Use __alloc_traits to
223 * include/bits/memoryfwd.h (allocator<void>): Remove for C++20.
224 * include/ext/debug_allocator.h: Use __alloc_traits for rebinding.
225 * include/ext/malloc_allocator.h (malloc_allocator::~malloc_allocator)
226 (malloc_allocator::pointer, malloc_allocator::const_pointer)
227 (malloc_allocator::reference, malloc_allocator::const_reference)
228 (malloc_allocator::rebind, malloc_allocator::max_size)
229 (malloc_allocator::construct, malloc_allocator::destroy): Do not
231 (malloc_allocator::_M_max_size): Define new function.
232 * include/ext/new_allocator.h (new_allocator::~new_allocator)
233 (new_allocator::pointer, new_allocator::const_pointer)
234 (new_allocator::reference, new_allocator::const_reference)
235 (new_allocator::rebind, new_allocator::max_size)
236 (new_allocator::construct, new_allocator::destroy): Do not
238 (new_allocator::_M_max_size): Define new function.
239 * include/ext/rc_string_base.h (__rc_string_base::_Rep): Use
240 __alloc_traits to rebind allocator.
241 * include/ext/rope (_Rope_rep_base, _Rope_base): Likewise.
242 (rope::rope(CharT, const allocator_type&)): Use __alloc_traits
243 to construct character.
244 * include/ext/slist (_Slist_base): Use __alloc_traits to rebind
246 * include/ext/sso_string_base.h (__sso_string_base::_M_max_size):
248 * include/ext/throw_allocator.h (throw_allocator): Do not use optional
249 members of std::allocator, use __alloc_traits members instead.
250 * include/ext/vstring.h (__versa_string): Use __alloc_traits.
251 * include/ext/vstring_util.h (__vstring_utility): Likewise.
252 * include/std/memory: Include <bits/alloc_traits.h>.
253 * testsuite/20_util/allocator/8230.cc: Use __gnu_test::max_size.
254 * testsuite/20_util/allocator/rebind_c++20.cc: New test.
255 * testsuite/20_util/allocator/requirements/typedefs.cc: Do not check
256 for pointer, const_pointer, reference, const_reference or rebind in
258 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc: New test.
259 * testsuite/23_containers/deque/capacity/29134.cc: Use
260 __gnu_test::max_size.
261 * testsuite/23_containers/forward_list/capacity/1.cc: Likewise.
262 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
263 * testsuite/23_containers/map/capacity/29134.cc: Likewise.
264 * testsuite/23_containers/multimap/capacity/29134.cc: Likewise.
265 * testsuite/23_containers/multiset/capacity/29134.cc: Likewise.
266 * testsuite/23_containers/set/capacity/29134.cc: Likewise.
267 * testsuite/23_containers/vector/capacity/29134.cc: Likewise.
268 * testsuite/ext/malloc_allocator/variadic_construct.cc: Do not run
270 * testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
271 * testsuite/ext/vstring/capacity/29134.cc: Use __gnu_test::max_size.
272 * testsuite/util/replacement_memory_operators.h: Do not assume
273 Alloc::pointer exists.
274 * testsuite/util/testsuite_allocator.h (__gnu_test::max_size): Define
275 helper to call max_size for any allocator.
277 2019-10-22 Andreas Schwab <schwab@suse.de>
279 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
281 2019-10-18 Jonathan Wakely <jwakely@redhat.com>
284 * libsupc++/new_opa.cc (operator new) [__APPLE__]: Increase alignment
285 to at least sizeof(void*).
287 * include/bits/range_cmp.h (ranges::less::operator()): Inline the
288 logic from std::less::operator() to remove the dependency on it.
290 2019-10-17 Jonathan Wakely <jwakely@redhat.com>
292 * doc/doxygen/user.cfg.in (INPUT): Add new C++17 and C++20 headers.
294 * include/Makefile.am: Add new header.
295 * include/Makefile.in: Regenerate.
296 * include/bits/range_cmp.h: New header for C++20 function objects.
297 * include/std/functional: Include new header.
298 * testsuite/20_util/function_objects/identity/1.cc: New test.
299 * testsuite/20_util/function_objects/range.cmp/equal_to.cc: New test.
300 * testsuite/20_util/function_objects/range.cmp/greater.cc: New test.
301 * testsuite/20_util/function_objects/range.cmp/greater_equal.cc: New
303 * testsuite/20_util/function_objects/range.cmp/less.cc: New test.
304 * testsuite/20_util/function_objects/range.cmp/less_equal.cc: New test.
305 * testsuite/20_util/function_objects/range.cmp/not_equal_to.cc: New
309 * include/bits/forward_list.h
310 (_M_move_assign(forward_list&&, false_type)): Do not use
311 __make_move_if_noexcept, instead move unconditionally.
312 * include/bits/stl_deque.h (_M_move_assign2(deque&&, false_type)):
314 * include/bits/stl_list.h (_M_move_assign(list&&, false_type)):
316 * include/bits/stl_vector.h (_M_move_assign(vector&&, false_type)):
318 * testsuite/23_containers/vector/92124.cc: New test.
320 2019-10-16 Jonathan Wakely <jwakely@redhat.com>
322 * include/bits/c++config (_GLIBCXX_BUILTIN_IS_SAME_AS): Define to
323 one of __is_same_as or __is_same when available.
324 * include/std/concepts (__detail::__same_as): Use std::is_same_v.
325 * include/std/type_traits (is_same) [_GLIBCXX_BUILTIN_IS_SAME_AS]:
326 Use new macro instead of __is_same_as.
327 (is_same) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Restore partial
329 (is_same_v) [_GLIBCXX_BUILTIN_IS_SAME_AS]: Use new macro.
330 (is_same_v) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Use std::is_same.
332 2019-10-16 François Dumont <fdumont@gcc.gnu.org>
334 * src/c++11/debug.cc (print_field): Replace constness_names <unknown>
335 entry with <unknown constness>. Replace state_names <unknown> entry with
338 2019-10-11 Jonathan Wakely <jwakely@redhat.com>
340 * include/Makefile.am: Add new header.
341 * include/Makefile.in: Regenerate.
342 * include/precompiled/stdc++.h: Include <concepts>.
343 * include/std/concepts: New header for C++20.
344 * include/std/version (__cpp_lib_concepts): Define.
345 * scripts/create_testsuite_files: Look for test files in new std
347 * testsuite/libstdc++-dg/conformance.exp: Likewise.
348 * testsuite/std/concepts/concepts.callable/invocable.cc: New test.
349 * testsuite/std/concepts/concepts.callable/regular_invocable.cc: New
351 * testsuite/std/concepts/concepts.callable/relation.cc: New test.
352 * testsuite/std/concepts/concepts.callable/strictweakorder.cc: New
354 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
355 floating_point.cc: New test.
356 * testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc:
358 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
359 signed_integral.cc: New test.
360 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
361 unsigned_integral.cc: New test.
362 * testsuite/std/concepts/concepts.lang/concept.assignable/1.cc: New
364 * testsuite/std/concepts/concepts.lang/concept.common/1.cc: New test.
365 * testsuite/std/concepts/concepts.lang/concept.commonref/1.cc: New
367 * testsuite/std/concepts/concepts.lang/concept.constructible/1.cc:
369 * testsuite/std/concepts/concepts.lang/concept.convertible/1.cc:
371 * testsuite/std/concepts/concepts.lang/concept.copyconstructible/1.cc:
373 * testsuite/std/concepts/concepts.lang/concept.defaultconstructible/
375 * testsuite/std/concepts/concepts.lang/concept.derived/1.cc:
377 * testsuite/std/concepts/concepts.lang/concept.destructible/1.cc:
379 * testsuite/std/concepts/concepts.lang/concept.moveconstructible/1.cc:
381 * testsuite/std/concepts/concepts.lang/concept.same/1.cc:
383 * testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc:
385 * testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc:
387 * testsuite/std/concepts/concepts.lang/concept.swappable/
388 swappable_with.cc: New test.
389 * testsuite/std/concepts/concepts.object/copyable.cc: New test.
390 * testsuite/std/concepts/concepts.object/movable.cc: New test.
391 * testsuite/std/concepts/concepts.object/regular.cc: New test.
392 * testsuite/std/concepts/concepts.object/semiregular.cc: New test.
394 * include/std/type_traits (is_same): Replace partial specialization
395 by using __is_same_as built-in in primary template.
396 (is_same_v): Use __is_same_as built-in instead of instantiating the
400 * include/tr2/dynamic_bitset (__dynamic_bitset_base): Define all
401 special member functions as defaulted. Add noexcept to most members.
402 (__dynamic_bitset_base(size_t, unsigned long long, const _Alloc&)):
403 Mask off unwanted bits in the __val parameter. Avoid undefined left
405 (__dynamic_bitset_base::_M_assign): Remove.
406 (__dynamic_bitset_base::_M_do_reset): Use std::fill.
407 (__dynamic_bitset_base::_M_are_all_aux): Avoid integer promotion when
408 block_type has lower rank than int.
409 (dynamic_bitset): Add noexcept to most members. Use injected-class-name
410 in return types and parameter types.
411 (dynamic_bitset::_M_Nb): Add default member initializer.
412 (dynamic_bitset(), dynamic_bitset(const dynamic_bitset&)): Define as
414 (dynamic_bitset(dynamic_bitset&&)): Clear source object after move.
415 (dynamic_bitset::operator=(const dynamic_bitset&)): Define as
417 (dynamic_bitset::operator=(dynamic_bitset&&)): Add noexcept-specifier.
418 Define without using swap, to propagate allocator correctly.
419 (dynamic_bitset(const char*, const _Alloc&)): Use strlen.
420 (dynamic_bitset::_M_do_sanitize, dynamic_bitset::_M_do_fill): Use
421 casts to avoid unwanted integer promotions.
422 (dynamic_bitset::_M_copy_from_ptr): Rearrange template parameters and
423 add default template arguments and default argument to simplify usage.
424 (dynamic_bitset::_M_copy_from_string): Adjust call to _M_copy_from_ptr.
425 (operator==(const dynamic_bitset&, const dynamic_bitset&))
426 (operator<(const dynamic_bitset&, const dynamic_bitset&)): Use _M_Nb.
427 * include/tr2/dynamic_bitset.tcc (dynamic_bitset::_M_copy_from_ptr):
428 Adjust template parameters to match declaration.
429 * testsuite/tr2/dynamic_bitset/cmp.cc: New test.
430 * testsuite/tr2/dynamic_bitset/cons.cc: New test.
431 * testsuite/tr2/dynamic_bitset/copy.cc: New test.
432 * testsuite/tr2/dynamic_bitset/move.cc: New test.
433 * testsuite/tr2/dynamic_bitset/pr92059.cc: New test.
435 * include/bits/charconv.h (__to_chars_len): Avoid -Wsign-compare
438 2019-10-10 Jonathan Wakely <jwakely@redhat.com>
441 * src/c++98/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]
442 (find_ldbl_sync_facet): Fix parameter type and missing return.
444 2019-10-09 Marek Polacek <polacek@redhat.com>
446 PR c++/91364 - P0388R4: Permit conversions to arrays of unknown bound.
447 PR c++/69531 - DR 1307: Differently bounded array parameters.
448 PR c++/88128 - DR 330: Qual convs and pointers to arrays of pointers.
449 * testsuite/23_containers/span/lwg3255.cc: Adjust test to match the
450 post-P0388R4 behavior.
452 2019-10-09 Jonathan Wakely <jwakely@redhat.com>
455 * src/c++98/locale.cc (locale::id::_M_id()) [__GTHREADS]: Use atomic
456 compare-exchange or double-checked lock to ensure only one thread sets
457 the _M_index variable.
458 [_GLIBCXX_LONG_DOUBLE_COMPAT]: Call find_ldbl_sync_facet to detect
459 facets that share another facet's ID.
460 [_GLIBCXX_LONG_DOUBLE_COMPAT] (find_ldbl_sync_facet): New function.
463 * src/c++98/locale_init.cc (locale::classic()): Do not construct a new
464 locale object for every call.
465 (locale::_S_initialize_once()): Construct C locale here.
467 2019-10-08 Jonathan Wakely <jwakely@redhat.com>
469 * doc/Makefile.am (doc-html-docbook-regenerate): New target.
470 (${docbook_outdir}/html): Do not create unused 'html/ext' directory.
471 * doc/Makefile.in: Regenerate.
472 * doc/xml/manual/documentation_hacking.xml: Document new target.
473 * doc/html/*: Regenerate.
475 * doc/xml/manual/allocator.xml: Use archived copy of CUJ article.
476 * doc/html/*: Regenerate.
478 2019-10-06 François Dumont <fdumont@gcc.gnu.org>
480 * include/bits/stl_algo.h
481 (__copy_n_a(_IIte, _Size, _OIte)): New.
482 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New declaration.
483 (__copy_n(_IIte, _Size, _OIte, input_iterator_tag)): Adapt to use
485 * include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
486 std::__copy_n_a friend.
487 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New.
488 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1.cc: New.
489 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1_neg.cc: New.
490 * testsuite/25_algorithms/copy_n/istreambuf_iterator/2_neg.cc: New.
492 * include/bits/stl_iterator_base_types.h (__iterator_category_t): Define
494 (_RequireInputIte): Likewise and use __enable_if_t.
495 * include/std/numeric
496 (__is_random_access_iter): Use __iterator_category_t.
498 * include/bits/stl_algo.h (copy_n): Add __glibcxx_requires_can_increment
500 * testsuite/25_algorithms/copy_n/debug/1_neg.cc: New.
501 * testsuite/25_algorithms/copy_n/debug/2_neg.cc: New.
503 2019-10-04 François Dumont <fdumont@gcc.gnu.org>
505 * include/debug/forward_list
506 (_Sequence_traits<__debug::forward_list<>>::_S_size): Returns __dp_sign
507 distance when not empty.
508 * include/debug/list (_Sequence_traits<__debug::list<>>::_S_size):
510 * include/debug/helper_functions.h (__dp_sign_max_size): New
511 _Distance_precision enum entry.
512 (__valid_range_aux(_IIte, _IIte, _Distance_traits<>::__type,
513 __false_type)): Adapt.
514 * include/debug/safe_iterator.tcc
515 (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator&)): Review
516 distance computation.
518 2019-10-04 Jonathan Wakely <jwakely@redhat.com>
522 * configure.ac: Use AC_SYS_LARGEFILE to enable 64-bit file APIs.
523 * config.h.in: Regenerate:
524 * configure: Regenerate:
525 * include/Makefile.am (${host_builddir}/largefile-config.h): New
526 target to generate config header for filesystem library.
527 (${host_builddir}/c++config.h): Rename macros for large file support.
528 * include/Makefile.in: Regenerate.
529 * src/c++17/fs_dir.cc: Include new config header.
530 * src/c++17/fs_ops.cc: Likewise.
531 (filesystem::file_size): Use uintmax_t for size.
532 * src/filesystem/dir.cc: Include new config header.
533 * src/filesystem/ops.cc: Likewise.
534 (experimental::filesystem::file_size): Use uintmax_t for size.
536 * testsuite/util/testsuite_abi.h: Use std::unordered_map instead of
537 std::tr1::unordered_map.
538 * testsuite/util/testsuite_allocator.h: Likewise.
540 * include/tr1/hashtable.h: Add header for __gnu_cxx::__alloc_traits.
542 * include/tr1/hashtable.h (tr1::_Hashtable::_M_allocate_node): Use
543 __gnu_cxx::__alloc_traits for allocator construct function.
544 (tr1::_Hashtable::_M_deallocate_node): Likewise for destroy function.
546 * include/precompiled/stdc++.h: Include <span> for C++20.
547 * testsuite/17_intro/names.cc: Do not define 'e' for C++20.
549 2019-10-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
551 * include/parallel/multiway_merge.h (_RAIter3): Replace _C by _Cp.
553 2019-10-02 Jonathan Wakely <jwakely@redhat.com>
555 * config/abi/pre/gnu.ver: Tighten up greedy wildcards.
557 * doc/xml/manual/parallel_mode.xml: Add caveat about support for
559 * doc/html/*: Regenerate.
561 2019-10-01 Jonathan Wakely <jwakely@redhat.com>
563 * include/experimental/algorithm (experimental::sample): Qualify call
564 to __sample correctly.
565 * include/parallel/algo.h (sample, for_each_n): Add using-declarations
566 for algorithms that don't have parallel implementations.
568 * include/parallel/algobase.h (equal, lexicographical_compare): Add
569 _GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
571 * include/parallel/algorithmfwd.h (equal, lexicographical_compare):
572 Add _GLIBCXX20_CONSTEXPR.
574 * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
576 * testsuite/20_util/hash/84998.cc: Likewise.
577 * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
578 * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
579 * testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
580 * testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
581 * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
582 * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
583 * testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
584 * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
586 * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
588 * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
590 * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
592 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
594 * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
595 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
596 * testsuite/25_algorithms/copy/86658.cc: Likewise.
597 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
598 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
599 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
600 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
602 * include/parallel/algo.h: Replace non-reserved names.
603 * include/parallel/multiway_merge.h: Likewise.
604 * include/parallel/multiway_mergesort.h: Likewise.
605 * include/parallel/numericfwd.h: Likewise.
606 * testsuite/17_intro/names.cc: Add RAI to test macros.
608 2019-09-30 François Dumont <fdumont@gcc.gnu.org>
610 * include/debug/array: Add C++20 constexpr to comparison operators.
611 * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
612 dg-error line numbers.
613 * testsuite/23_containers/array/tuple_interface/
614 tuple_element_debug_neg.cc: Likewise.
616 2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
618 * include/experimental/internet: Include netinet/in.h if we have
619 _GLIBCXX_HAVE_NETINET_IN_H defined.
621 * testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
622 FreeBSD warning about lower advertised precision of tgammal.
623 * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
624 * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
625 * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
626 * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
627 * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
628 * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
629 * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
630 * testsuite/tr1/5_numerical_facilities/special_functions/
631 08_cyl_bessel_i/check_nan.cc: Likewise.
632 * testsuite/tr1/5_numerical_facilities/special_functions/
633 09_cyl_bessel_j/check_nan.cc: Likewise.
634 * testuite/tr1/5_numerical_facilities/special_functions/
635 10_cyl_bessel_k/check_nan.cc: Likewise.
636 * testsuite/tr1/5_numerical_facilities/special_functions/
637 11_cyl_neumann/check_nan.cc: Likewise.
638 * testsuite/tr1/5_numerical_facilities/special_functions/
639 21_sph_bessel/check_nan.cc: Likewise.
640 * testsuite/tr1/5_numerical_facilities/special_functions/
641 23_sph_neumann/check_nan.cc: Likewise.
643 2019-09-30 Jonathan Wakely <jwakely@redhat.com>
645 * include/std/span (span(element_type(&)[N]))
646 (span(array<value_type, N>&), span(const array<value_type, N>&)):
647 Deduce array element type to allow safe const conversions (LWG 3255).
648 [!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
649 remove_cv_t on arguments to __is_std_span and __is_std_array.
650 * testsuite/23_containers/span/lwg3255.cc: New test.
653 * include/parallel/checkers.h (__is_sorted): Remove unused variable.
655 2019-09-28 François Dumont <fdumont@gcc.gnu.org>
657 * include/bits/stl_algo.h (merge): Fix documentation.
658 * include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
659 (__check_sorted): Likewise and remove nested irreflexive check.
660 (__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
661 (__check_partitioned_lower, __check_partitioned_upper): Likewise.
662 (_Irreflexive_checker::_S_is_valid): Likewise.
663 (__is_irreflexive, __is_irreflexive_pred): Likewise.
664 * include/debug/helper_functions.h (__get_distance): Add constexpr.
665 (__valid_range_aux): Add C++20 constexpr.
666 (__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
667 Likewise and add std::is_constant_evaluated check.
668 (__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
669 (__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
670 (__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
672 (__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
673 __builtin_is_contant_evaludated check..
674 (__can_advance, __base): Add constexpr.
675 * include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
676 (_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
677 (__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
678 (__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
679 * testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
681 * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
682 * testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
683 lambda to be irreflexive.
685 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
687 * configure: Regenerate.
689 2019-09-27 Jonathan Wakely <jwakely@redhat.com>
692 * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
693 atomically and lock the mutex before accessing the sequence.
694 (_Safe_local_iterator_base::_M_detach()): Likewise.
695 (_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
697 2019-09-26 Jonathan Wakely <jwakely@redhat.com>
699 * include/debug/array (to_array): Define for debug mode.
701 * include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
702 piecewise construction constructor, assignment operators, and swap.
703 * include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
704 Add _GLIBCXX20_CONSTEXPR.
705 (pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
706 * testsuite/20_util/pair/constexpr_assign.cc: New test.
707 * testsuite/20_util/pair/constexpr_swap.cc: New test.
709 * include/experimental/internet (operator==, operator<): Fix loop
710 condition to avoid reading past the end of the array.
712 * include/std/array: Remove references to profile mode.
713 * include/std/bitset: Likewise.
714 * include/std/deque: Likewise.
715 * include/std/forward_list: Likewise.
716 * include/std/list: Likewise.
717 * include/std/map: Likewise.
718 * include/std/set: Likewise.
719 * include/std/unordered_map: Likewise.
720 * include/std/unordered_set: Likewise.
721 * include/std/vector: Likewise.
722 * testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
723 * testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
725 2019-09-25 Jonathan Wakely <jwakely@redhat.com>
727 * include/bits/regex.h
728 (basic_regex::assign(const C*, size_t, flag_type)): Add default
730 * testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
731 * testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
733 2019-09-24 Jonathan Wakely <jwakely@redhat.com>
735 * include/std/variant (variant::index()): Remove impossible case.
738 * testsuite/util/testsuite_hooks.h
739 (conversion::iterator_to_const_iterator()): Do not return an invalid
740 iterator. Test direct-initialization and direct-list-initialization
741 as well as implicit conversion.
743 2019-09-23 Jonathan Wakely <jwakely@redhat.com>
745 PR libstdc++/91788 (partial)
746 * include/std/variant (variant::index()): Improve codegen for cases
747 where conversion to size_t already works correctly.
749 2019-09-23 Andreas Schwab <schwab@suse.de>
751 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
753 2019-09-12 Jonathan Wakely <jwakely@redhat.com>
756 * include/bits/stl_algo.h (for_each_n): Fix random access iterator
758 * testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
761 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
763 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
766 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
767 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
768 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
771 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
773 * include/std/type_traits (__do_common_type_impl): Implement
774 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
775 (basic_common_reference, common_reference, common_reference_t): Define
777 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
779 * testsuite/20_util/common_reference/requirements/
780 explicit_instantiation.cc: New test.
781 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
784 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
785 non-template overloads for each signed and unsigned integer type and
786 char. Define deleted overload for bool (LWG 3266).
787 * testsuite/20_util/to_chars/1_neg.cc: Remove.
788 * testsuite/20_util/to_chars/3.cc: New test.
789 * testsuite/20_util/to_chars/lwg3266.cc: New test.
791 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
793 * acinclude.m4: Handle uclinux*.
794 * configure: Regenerate.
795 * configure.host: Handle uclinux*
797 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
798 Mickaël Guêné <mickael.guene@st.com>
800 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
803 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
806 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
807 0ul being a valid null pointer constant.
809 * include/std/type_traits (__remove_cv_t): New alias template.
810 (is_void, is_integral, is_floating_point, is_pointer)
811 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
812 (is_member_point), __is_signed_integer, __is_unsigned_integer)
813 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
814 (__decay_selector): Use __remove_cv_t.
815 (remove_cv): Add partial specializations for cv-qualified types.
816 (__decay_t): New alias template.
817 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
819 (__enable_if_t): Move earlier in the file.
820 (_Require): Use __enable_if_t.
821 (swap(T&, T&)): Use _Require.
822 (swap(T(&)[N])): Use __enable_if_t.
824 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
826 Implement C++20 p1424 - 'constexpr' feature macro concerns,
827 Issue 3256 - Feature testing macro for constexpr algorithms,
828 and Issue 3257 - Missing feature testing macro update from P0858.
829 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
830 * include/bits/algorithmfwd.h: Ditto.
831 * include/std/utility: Ditto.
832 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
833 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
834 __cpp_lib_constexpr macro in <algorith>.
835 * testsuite/20_util/exchange/constexpr.cc: Add check for
836 __cpp_lib_constexpr macro in <utility>.
837 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
838 __cpp_lib_constexpr_algorithms.
839 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
840 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
841 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
842 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
843 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
844 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
845 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
846 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
847 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
848 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
849 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
850 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
851 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
852 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
853 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
854 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
855 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
856 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
857 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
858 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
859 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
860 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
861 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
862 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
863 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
864 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
865 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
866 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
867 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
868 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
869 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
870 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
871 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
872 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
873 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
874 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
875 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
876 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
877 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
878 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
879 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
880 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
881 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
882 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
883 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
884 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
885 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
886 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
887 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
888 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
889 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
890 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
891 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
893 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
895 Update docs for recent <span> and constexpr lib changes.
896 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
897 p1023r0, p1085r2 status.
898 * doc/html/manual/status.html: Regenerate.
900 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
902 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
903 final offsets with constants.
905 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
907 * include/bits/range_access.h (__adl_to_address): Remove.
908 * include/std/span (__is_base_derived_safe_convertible_v): Replace
909 with span::__is_compatible.
910 (__is_std_array_v): Replace with __is_std_array class template and
911 partial specializations.
912 (__is_std_array, __is_std_span): New class templates and partial
914 (span::__is_compatible): New alias template for SFINAE constraints.
915 (span::span(element_type (&)[N])): Remove redundant constraints. Do
916 not use __adl_data to obtain a pointer.
917 (span::span(array<value_type, N>&)): Likewise.
918 (span::span(const array<value_type, N>&)): Likewise.
919 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
920 (span::iter_value_t, span::derived_from): New alias templates for
921 SFINAE constraints, until the equivalents are supported in <concepts>
923 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
924 for SFINAE constraints.
925 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
927 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
928 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
929 Use std::to_address instead of __adl_to_address.
930 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
931 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
932 template for SFINAE constraints.
933 [!_GLIBCXX_P1394] (span::span(Container&))
934 (span::span(const Container&)): Improve constraints.
935 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
936 (span::span(pointer, pointer)): Remove redundant cast of pointer.
937 (span(const span<OType, OExtent>&)): New constructor.
939 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
941 * include/bits/range_access.h (ssize): Define for C++20.
942 * testsuite/24_iterators/range_access_cpp20.cc: New test.
943 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
944 * doc/html/*: Regenerate.
946 2019-09-06 Florian Weimer <fweimer@redhat.com>
948 * configure: Regenerate.
950 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
952 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
953 P1024R3. Remove entry for P0920R2.
954 * include/std/span (__cpp_lib_span): Change value.
955 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
957 (span): Replace __extent_storage base class with data member.
958 (span::_S_subspan_extent): New function.
959 (span::empty()): Add nodiscard attribute.
960 (span::front, span::back, span::operator[]): Check preconditions.
961 (span::first, span::last, span::subspan): Add noexcept. Improve
962 precondition checks (LWG 3103).
963 (get): Remove redundant condition from static_assert.
964 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
965 (as_writable_bytes): Add inline specifier.
966 * include/std/version (__cpp_lib_span): Change value.
967 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
968 * testsuite/23_containers/span/front_neg.cc: Likewise.
969 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
970 * testsuite/23_containers/span/last_neg.cc: Improve test.
971 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
972 * testsuite/23_containers/span/1.cc: New test.
973 * testsuite/23_containers/span/2.cc: New test.
974 * testsuite/23_containers/span/back_assert_neg.cc: New test.
975 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
976 * testsuite/23_containers/span/first_assert_neg.cc: New test.
977 * testsuite/23_containers/span/first_neg.cc: New test.
978 * testsuite/23_containers/span/front_assert_neg.cc: New test.
979 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
980 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
981 * testsuite/23_containers/span/last_assert_neg.cc: New test.
982 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
983 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
984 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
985 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
986 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
987 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
989 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
991 * include/Makefile.am: Add <span> header.
992 * include/Makefile.in: Regenerate.
993 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
994 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
995 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
996 New functions for performing argument-dependent lookup of range
997 customization points.
998 * include/bits/stl_iterator.h (__normal_iterator): Add
999 _GLIBCXX20_CONSTEXPR to all functions.
1000 * include/std/span: New header.
1001 * include/std/version (__cpp_lib_span): Define feature test macro.
1002 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
1003 * testsuite/23_containers/span/everything.cc: New test.
1004 * testsuite/23_containers/span/get_neg.cc: New test.
1005 * testsuite/23_containers/span/last_neg.cc: New test.
1006 * testsuite/23_containers/span/subspan_neg.cc: New test.
1007 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
1008 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
1009 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
1011 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
1013 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
1014 * doc/html/*: Regenerate.
1016 2019-09-04 Mike Crowe <mac@mcrowe.com>
1019 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
1020 pthread_cond_clockwait function.
1021 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
1022 * configure: Regenerate.
1023 * config.h.in: Regenerate.
1024 * include/std/condition_variable: (condition_variable): Rename
1025 __steady_clock_t typedef and add system_clock. Change __clock_t to be
1026 a typedef for the preferred clock to convert arbitrary other clocks to.
1027 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
1029 (wait_until): Change __clock_t overload to use system_clock.
1030 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
1031 steady_clock overload that calls pthread_cond_clockwait.
1032 (__wait_until_impl): Change __clock_t overload to use system_clock.
1033 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
1034 steady_clock for __clock_t if pthread_cond_clockwait is available.
1036 2019-09-04 Mike Crowe <mac@mcrowe.com>
1038 * testsuite/30_threads/condition_variable/members/2.cc (test01):
1039 Parameterise so that test can be run against an arbitrary clock.
1040 (main): Test using std::chrono::steady_clock and a user-defined
1041 clock in addition to the previous std::chrono::system_clock.
1042 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1044 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
1046 * crossconfig.m4: Remove references to spu.
1047 * configure: Regenerate.
1048 * doc/xml/manual/appendix_contributing.xml: Remove references
1049 to __ea as "badword" for spu.
1050 * doc/html/manual/source_code_style.html: Regenerate.
1051 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
1052 to avoid __ea (as "badword" for spu).
1053 (__ellint_rj): Likewise.
1055 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
1058 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
1059 scanning to conform to the GNU Coding Standards.
1060 * configure: Regenerate.
1062 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1064 * src/c++17/memory_resource.cc: Use __constinit keyword.
1066 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1068 * doc/xml/manual/abi.xml: Document 9.x library versions.
1069 * doc/html/*: Regenerate.
1071 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1073 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
1074 (__detail::__to_chars_8_len): Remove.
1075 (__detail::__to_chars_8): Inline length calculation here.
1076 (__detail::__from_chars_binary): Use numeric_limits instead of
1079 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1081 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
1082 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
1083 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
1084 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
1087 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
1089 * testsuite_files/util/testsuite_performance.h
1090 (resource_counter::start): Ignore unused malloc(0) result.
1092 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
1094 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
1095 Model Object Technologies): Adjust name and link.
1097 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
1099 * include/std/charconv (__detail::__to_chars_8)
1100 __detail::__to_chars_16): Replace array of precomputed digits with
1101 arithmetic operations to avoid CPU cache misses. Remove zero
1102 termination from array of digits to allow symbol merge with generic
1103 implementation of __detail::__to_chars. Replace final offsets with
1104 constants. Use __detail::__to_chars_len_2 instead of a generic
1105 __detail::__to_chars_len.
1106 (__detail::__to_chars): Remove zero termination from array of digits.
1107 (__detail::__to_chars_2): Leading digit is always '1'.
1109 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1111 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
1113 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
1115 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1117 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1120 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
1121 to template parameters.
1122 * include/bits/stl_uninitialized.h (uninitialized_copy)
1123 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
1124 diagnose invalid uses.
1125 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1126 Adjust expected error.
1127 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
1129 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
1131 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
1133 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
1135 * testsuite/23_containers/vector/cons/89164.cc: New test.
1136 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
1138 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
1141 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
1142 * configure: Regenerate.
1143 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
1145 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
1147 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1149 2019-08-29 Jakub Jelinek <jakub@redhat.com>
1151 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1152 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1154 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
1156 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1157 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1158 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1159 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1160 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1161 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1162 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1164 2019-08-23 Joseph Myers <joseph@codesourcery.com>
1166 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
1167 (std::filesystem::__gnu_posix::lstat): Add return type.
1169 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
1171 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
1173 * include/std/numeric (reduce): Fix Doxygen markup.
1176 * include/std/type_traits (is_function): Simplify definition. Remove
1177 partial specializations for function types.
1178 (__is_referenceable): Simplify definition.
1179 * testsuite/20_util/bind/91371.cc: New test.
1180 * testsuite/20_util/is_function/91371.cc: New test.
1181 * testsuite/20_util/is_function/value.cc: Check more pointer types.
1182 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
1183 * testsuite/20_util/is_object/91371.cc: New test.
1185 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
1187 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1189 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
1192 * include/bits/std_function.h (__check_func_return_type): Remove.
1193 (function::_Callable): Use std::__is_invocable_impl instead of
1194 __check_func_return_type.
1195 * include/std/type_traits (__is_invocable_impl): Add another defaulted
1196 template parameter. Define a separate partial specialization for
1197 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
1198 with a check that models delayed temporary materialization.
1199 * testsuite/20_util/function/91456.cc: New test.
1200 * testsuite/20_util/is_invocable/91456.cc: New test.
1202 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
1204 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
1206 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
1208 Implement C++20 p0879 - Constexpr for swap and swap related functions.
1209 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
1210 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
1212 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
1213 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
1214 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
1215 * include/bits/move.h (swap): Add constexpr.
1216 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
1217 (__gcd, __rotate, rotate, __partition, __heap_select)
1218 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
1219 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
1220 (__introselect, __chunk_insertion_sort, next_permutation)
1221 (prev_permutation, partition, partial_sort, nth_element, sort)
1222 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
1223 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
1224 (swap_ranges): Add constexpr.
1225 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
1226 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
1228 * include/std/type_traits (swap): Add constexpr.
1229 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
1230 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
1231 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
1232 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
1233 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
1234 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
1235 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
1236 * testsuite/25_algorithms/partition/constexpr.cc: New test.
1237 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
1238 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
1239 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
1240 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
1241 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
1242 * testsuite/25_algorithms/sort/constexpr.cc: New test.
1243 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
1244 * testsuite/25_algorithms/swap/constexpr.cc: New test.
1245 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
1247 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
1250 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
1252 * include/std/tuple (__unpack_std_tuple): New variable template and
1253 partial specializations.
1254 (apply, make_from_tuple): Add noexcept-specifier.
1255 * testsuite/20_util/tuple/apply/2.cc: New test.
1256 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
1258 2019-08-09 Corentin Gay <gay@adacore.com>
1260 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
1261 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
1262 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
1263 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
1264 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
1265 Add call to `VERIFY`.
1267 2019-08-09 Alexandre Oliva <oliva@adacore.com>
1269 * include/ext/random
1270 (normal_mv_distribution::param_type::param_type): New private
1271 ctor taking a decomposed varcov matrix, for use by...
1272 (operator>>): ... this, befriended.
1273 * include/ext/random.tcc (operator>>): Use it.
1274 (normal_mv_distribution::param_type::_M_init_lower): Adjust
1275 member function name in exception message.
1277 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
1279 P0325R4 to_array from LFTS with updates
1280 * include/experimental/array (to_array): Qualify call to __to_array.
1281 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
1282 * include/std/version (__cpp_lib_to_array): Likewise.
1283 * testsuite/23_containers/array/creation/1.cc: New test.
1284 * testsuite/23_containers/array/creation/2.cc: New test.
1285 * testsuite/23_containers/array/creation/3_neg.cc: New test.
1286 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
1287 Use zero for dg-error line number.
1289 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
1291 P1651R0 bind_front should not unwrap reference_wrapper
1292 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
1293 * include/std/version (__cpp_lib_bind_front): Update value.
1294 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
1296 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
1298 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
1299 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
1300 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
1301 specializations for __float128.
1302 * testsuite/26_numerics/numbers/float128.cc: New test.
1304 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
1306 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
1309 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
1311 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
1312 in <algorithm> and <utility> Headers.
1313 Implement C++20 p1023 - constexpr comparison operators for std::array.
1314 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
1315 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
1316 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
1317 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
1318 none_of, partition_copy, partition_point, remove, remove_if,
1319 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
1320 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
1321 count_if, equal, find, find_first_of, find_if, for_each, generate,
1322 generate_n, lexicographical_compare, merge, mismatch, replace,
1323 replace_if, search, search_n, set_difference, set_intersection,
1324 set_symmetric_difference, set_union, transform, unique_copy):
1326 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
1327 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
1328 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
1329 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
1330 Use const ref instead of ref arg;
1331 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
1332 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
1333 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
1334 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
1335 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
1336 __iter_comp_iter): Mark constexpr.
1337 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
1338 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
1339 none_of, any_of, find_if_not, is_partitioned, partition_point,
1340 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
1341 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
1342 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
1343 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
1344 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
1345 __equal_range, equal_range, binary_search, __includes, includes,
1346 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
1347 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
1348 is_sorted_until, __is_permutation, is_permutation, for_each, find,
1349 find_if, find_first_of, adjacent_find, count, count_if, search,
1350 search_n, transform, replace, replace_if, generate, generate_n,
1351 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
1352 set_intersection, __set_difference, set_difference,
1353 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
1354 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
1355 wrappers around __builtin_memmove and __builtin_memcmp
1357 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
1358 copy, move, __copy_move_b, __copy_move_backward_a,
1359 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
1360 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
1361 __lexicographical_compare_impl, __lexicographical_compare,
1362 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
1363 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
1364 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
1365 is_heap): Mark constexpr.
1366 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
1367 is_heap): Mark constexpr.
1368 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
1369 * include/std/array: Make comparison ops constexpr.
1370 * include/std/utility: Make exchange constexpr.
1371 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
1372 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
1373 * testsuite/23_containers/array/tuple_interface/
1374 tuple_element_neg.cc: Adjust.
1375 * testsuite/20_util/exchange/constexpr.cc: New.
1376 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
1377 * testsuite/25_algorithms/constexpr_macro.cc: New.
1378 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
1379 * testsuite/25_algorithms/all_of/constexpr.cc: New.
1380 * testsuite/25_algorithms/any_of/constexpr.cc: New.
1381 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
1382 * testsuite/25_algorithms/copy/constexpr.cc: New.
1383 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
1384 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
1385 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
1386 * testsuite/25_algorithms/count/constexpr.cc: New.
1387 * testsuite/25_algorithms/count_if/constexpr.cc: New.
1388 * testsuite/25_algorithms/equal/constexpr.cc: New.
1389 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
1390 * testsuite/25_algorithms/fill/constexpr.cc: New.
1391 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
1392 * testsuite/25_algorithms/find/constexpr.cc: New.
1393 * testsuite/25_algorithms/find_end/constexpr.cc: New.
1394 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
1395 * testsuite/25_algorithms/find_if/constexpr.cc: New.
1396 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
1397 * testsuite/25_algorithms/for_each/constexpr.cc: New.
1398 * testsuite/25_algorithms/generate/constexpr.cc: New.
1399 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
1400 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
1401 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
1402 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
1403 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
1404 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
1405 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
1406 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
1407 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
1408 * testsuite/25_algorithms/merge/constexpr.cc: New.
1409 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
1410 * testsuite/25_algorithms/none_of/constexpr.cc: New.
1411 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
1412 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
1413 * testsuite/25_algorithms/remove/constexpr.cc: New.
1414 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
1415 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
1416 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
1417 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
1418 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
1419 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
1420 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
1421 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
1422 * testsuite/25_algorithms/search/constexpr.cc: New.
1423 * testsuite/25_algorithms/search_n/constexpr.cc: New.
1424 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
1425 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
1426 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
1427 * testsuite/25_algorithms/set_union/constexpr.cc: New.
1428 * testsuite/25_algorithms/transform/constexpr.cc: New.
1429 * testsuite/25_algorithms/unique/constexpr.cc: New.
1430 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
1431 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
1433 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
1435 * include/std/memory (make_obj_using_allocator): Qualify call to
1436 uses_allocator_construction_args.
1438 P0631R4 Math Constants
1439 * include/Makefile.am: Add new header.
1440 * include/Makefile.in: Regenerate.
1441 * include/precompiled/stdc++.h: Include new header.
1442 * include/std/numbers: New header.
1443 * include/std/version (__cpp_lib_math_constants): Define.
1444 * testsuite/26_numerics/numbers/1.cc: New test.
1445 * testsuite/26_numerics/numbers/2.cc: New test.
1446 * testsuite/26_numerics/numbers/3.cc: New test.
1447 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
1449 * include/std/bit: Add Doxygen comments.
1452 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
1453 constraints on deleter that should only apply to the constructor.
1454 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
1455 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
1456 constraints on deleter here.
1457 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
1459 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
1462 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
1464 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
1466 * testsuite/18_support/51333.cc: New test.
1468 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
1470 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
1471 to the Doxygen manual. Avoid a "here" link on the way.
1472 Fix another broken link to Doxygen docblocks.
1474 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
1476 * include/std/bit (__cpp_lib_endian): Define.
1477 * include/std/version (__cpp_lib_endian): Define.
1478 * testsuite/26_numerics/endian/2.cc: New.
1479 * testsuite/26_numerics/endian/3.cc: New.
1480 * testsuite/26_numerics/endian/4.cc: New.
1482 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
1484 * testsuite/util/testsuite_iterators.h
1485 (bidirectional_iterator_wrapper): Fix type comment.
1486 (random_access_iterator_wrapper): Likewise.
1488 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
1490 * include/std/bit (endian): Move definition here as per P1612R1.
1491 * include/std/type_traits (endian): Remove definition from here.
1492 * testsuite/20_util/endian/1.cc: Rename to ...
1493 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
1495 2019-07-25 Martin Liska <mliska@suse.cz>
1496 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
1499 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
1500 -fno-allocation-dce.
1501 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
1502 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
1503 * testsuite/ext/new_allocator/check_new.cc: Likewise.
1505 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
1507 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
1508 * testsuite/26_numerics/bit/bit.count/*: Here.
1510 * include/std/bit (__rotl, __rotr): Change second parameter from
1511 unsigned int to int and handle negative values.
1512 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
1513 parameter from unsigned int to int. Add nodiscard attribute.
1514 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
1515 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
1517 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
1518 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
1521 * include/std/bit (__ceil2): Make unrepresentable results undefined,
1522 as per P1355R2. Add debug assertion. Perform one left shift, not two,
1523 so that out of range values cause undefined behaviour. Ensure that
1524 shift will still be undefined if left operand is promoted.
1525 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
1526 unrepresentable values with checks that they are not core constant
1528 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
1530 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
1532 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
1533 sized deallocation size computation.
1535 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
1537 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
1539 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
1541 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
1542 (~_Temporary_buffer()): Use latter.
1543 (_Temporary_buffer(_FIterator, size_type)): Likewise.
1545 2019-07-17 Andreas Schwab <schwab@suse.de>
1547 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1549 2019-07-16 Jason Merrill <jason@redhat.com>
1551 * include/std/memory (uses_allocator_construction_args): Add parens
1554 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
1556 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
1558 * include/experimental/string_view (__detail::__idt): Remove.
1559 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1560 Use __type_identity_t instead of __detail::__idt;
1561 * include/std/string_view (__detail::__idt): Remove.
1562 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1563 Use __type_identity_t instead of __detail::__idt;
1564 * include/std/type_traits (__type_identity_t): New alias template.
1566 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
1567 and floating point atomics.
1569 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
1571 * doc/xml/manual/configure.xml: Improve documentation of
1572 --enable-libstdcxx-time option.
1574 * include/bits/atomic_base.h (__atomic_impl): New namespace for
1575 wrappers around atomic built-ins.
1576 (__atomic_float, __atomic_ref): New class templates for use as base
1578 * include/std/atomic (atomic<float>, atomic<double>)
1579 (atomic<long double>): New explicit specializations.
1580 (atomic_ref): New class template.
1581 (__cpp_lib_atomic_ref): Define.
1582 * include/std/version (__cpp_lib_atomic_ref): Define.
1583 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
1584 * testsuite/29_atomics/atomic_float/1.cc: New test.
1585 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
1586 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
1587 * testsuite/29_atomics/atomic_ref/float.cc: New test.
1588 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
1589 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
1590 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
1591 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
1593 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
1595 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
1596 throw() with _GLIBCXX_NOTHROW.
1597 (__atomic_add_dispatch): Return after performing atomic increment.
1599 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
1601 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
1602 (__exchange_and_add): Replace static specifier with always_inline
1604 (__exchange_and_add_single, __atomic_add_single): Likewise.
1605 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
1606 combine !__gthread_active_p() and !__GTHREADS branches.
1608 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
1611 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
1612 * configure: Regenerate.
1613 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
1615 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
1616 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1618 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
1620 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
1621 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
1622 instead of __is_identifier to detect Clang support.
1624 2019-07-02 Jim Wilson <jimw@sifive.com>
1626 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
1628 * configure: Regenerate.
1630 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
1633 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
1634 for the what_arg parameters.
1635 (filesystem_error::filesystem_error): Pass system_error::what() to
1636 the _Impl constructor.
1637 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
1638 filesystem_error::what() contains system_error::what().
1640 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
1642 * include/std/charconv (chars_format): Define bitmask type.
1643 * testsuite/20_util/to_chars/chars_format.cc: New test.
1645 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
1646 * include/std/bit (_If_is_unsigned_integer_type): Remove.
1647 (_If_is_unsigned_integer): Use __is_unsigned_integer.
1648 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
1649 (countl_one(byte), countr_zero(byte), countr_one(byte))
1650 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
1651 (log2p1(byte)): Remove.
1652 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
1653 (__detail::__is_int_to_chars_type): Remove.
1654 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
1655 and __is_unsigned_integer.
1656 * include/std/type_traits (__is_one_of): Move here from <charconv>.
1657 (__is_signed_integer, __is_unsigned_integer): New helpers.
1658 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
1660 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
1661 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
1662 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
1663 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
1664 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1665 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1666 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1667 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1668 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
1669 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
1671 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
1673 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
1676 2019-06-25 Jakub Jelinek <jakub@redhat.com>
1678 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1679 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1680 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1681 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1683 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
1685 * include/std/numeric (midpoint(T, T)): Change implementation for
1686 floating-point types to avoid incorrect rounding of denormals.
1687 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
1688 rounding with denormals.
1689 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
1690 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1692 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
1694 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
1696 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
1698 * configure: Regenerate.
1700 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
1701 Qualify calls to __never_valueless.
1703 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
1704 C++17 working draft.
1706 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
1707 vector<bool> for test.
1708 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1710 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1712 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
1714 (istream_iterator::_M_read()): Do not check stream state before
1715 attempting extraction. Set stream pointer to null when extraction
1717 (operator==(const istream_iterator&, const istream_iterator&)): Change
1718 to be a hidden friend of istream_iterator.
1719 (operator!=(const istream_iterator&, const istream_iterator&)):
1721 (ostream_iterator::ostream_iterator()): Add default constructor.
1722 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
1724 * testsuite/24_iterators/istream_iterator/1.cc: New test.
1725 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
1726 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
1727 constructor taking a string.
1728 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
1731 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
1732 Jonathan Wakely <jwakely@redhat.com>
1735 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
1736 values of type bool for vector<bool> elements.
1737 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
1738 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1740 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1742 PR libstdc++/90920 partially revert r263433
1743 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
1744 (rotate): Remove checks.
1745 * testsuite/25_algorithms/rotate/90920.cc: New test.
1747 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
1748 category used in invocable check.
1749 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
1750 * testsuite/26_numerics/reduce/2.cc: New test.
1752 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
1754 * include/bits/algorithmfwd.h: Change title of doc group.
1755 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
1757 * include/bits/stl_numeric.h: Define doc group and add algos to it.
1758 * include/std/numeric (__is_random_access_iter): New internal trait.
1759 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
1760 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
1761 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
1762 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
1763 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
1764 * testsuite/26_numerics/reduce/1.cc: New test.
1765 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
1766 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
1767 * testsuite/26_numerics/transform_reduce/1.cc: New test.
1768 * testsuite/util/testsuite_iterators.h (test_container::size()): New
1771 * include/c_global/cstddef (std::byte): Perform arithmetic operations
1772 in unsigned int to avoid promotion (LWG 2950).
1774 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1776 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
1779 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
1781 PR libstdc++/90281 Fix string conversions for filesystem::path
1782 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1783 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
1784 __str_codecvt_in_all to fail for partial conversions and throw on
1786 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
1787 (path::_Cvt<char8_t>): Add explicit specialization.
1788 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
1790 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1791 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
1792 instead of codecvt_utf8. Use __str_codecvt_in_all and
1793 __str_codecvt_out_all.
1794 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1795 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1796 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1797 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1798 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
1799 after converting to UTF-8.
1800 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
1801 __str_codecvt_in_all.
1802 (path::string): Fix initialization of string types with different
1804 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1805 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1806 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
1808 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
1809 return false for partial conversions.
1810 * include/experimental/bits/fs_path.h (u8path):
1811 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
1812 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
1813 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
1814 instead of codecvt_utf8. Use __str_codecvt_in_all and
1815 __str_codecvt_out_all.
1816 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1817 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1818 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1819 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1820 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
1821 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1822 __str_codecvt_in_all.
1823 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1824 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1825 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
1826 __str_codecvt_in_all.
1827 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
1828 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
1829 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
1830 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
1831 strings and with Unicode characters outside the basic multilingual
1833 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
1834 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
1835 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
1836 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
1837 * testsuite/experimental/filesystem/path/native/string.cc: Test with
1838 empty strings and with Unicode characters outside the basic
1841 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
1842 Jonathan Wakely <jwakely@redhat.com>
1844 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
1845 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
1846 deallocate node if insertion fails.
1847 (_Hashtable::_M_insert_multi_node): Likewise.
1848 (_Hashtable::_M_reinsert_node): Pass additional key argument.
1849 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
1850 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
1851 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
1852 (_Hashtable::extract(const _Key&)): Likewise.
1853 (_Hashtable::_M_merge_unique): Pass additional key argument.
1854 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
1856 (_Hashtable::_M_insert): Likewise.
1857 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
1858 (_Hashtable_alloc): Add comments to functions with misleading names.
1860 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1862 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
1864 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
1865 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
1866 header for std::allocator.
1867 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
1868 using-declaration for std::size_t.
1869 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
1871 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
1873 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
1874 * testsuite/experimental/map/erasure.cc: Include <string> for
1876 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
1878 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
1880 * include/experimental/type_traits (experimental::nonesuch): Use
1881 pragma to disable -Wctor-dtor-privacy warnings.
1882 * include/std/type_traits (__is_convertible_helper<From, To, false>)
1883 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
1885 * include/std/version (__cpp_lib_bind_front): Add missing macro.
1887 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
1889 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
1890 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
1891 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
1892 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
1894 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
1895 (variant::emplace): Change static_assert messages from "should be"
1897 (hash<monostate>::operator()): Remove name of unused parameter.
1899 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
1902 * include/Makefile.am: Add new <bits/charconv.h> header.
1903 * include/Makefile.in: Regenerate.
1904 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
1905 (to_string(long), to_string(unsigned long), to_string(long long))
1906 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
1907 * include/bits/charconv.h: New header.
1908 (__detail::__to_chars_len): Move here from <charconv>.
1909 (__detail::__to_chars_10_impl): New function extracted from
1910 __detail::__to_chars_10.
1911 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
1912 (__to_chars_unsigned_type): New class template that reuses
1913 __make_unsigned_selector_base::__select to pick a type.
1914 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
1915 (__detail::__to_chars_len): Move to new header.
1916 (__detail::__to_chars_10): Add inline specifier. Move code doing the
1917 output to __detail::__to_chars_10_impl and call that.
1918 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
1919 * testsuite/21_strings/basic_string/numeric_conversions/char/
1920 to_string.cc: Fix reference in comment. Remove unused variable.
1921 * testsuite/21_strings/basic_string/numeric_conversions/char/
1922 to_string_int.cc: New test.
1924 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1926 Fix ConstexprIterator requirements tests - No constexpr algorithms!
1927 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1928 Replace copy with hand-rolled loop.
1929 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1932 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
1934 Test for C++20 p0858 - ConstexprIterator requirements.
1935 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1937 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1940 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
1942 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
1944 * include/bits/c++config: Rename all macros of the form __PSTL* to
1946 * include/std/algorithm: Likewise.
1947 * include/std/execution: Likewise.
1948 * include/std/numeric: Likewise.
1949 * include/std/memory: Likewise.
1950 * include/pstl/glue_memory_impl.h: Likewise.
1951 * include/pstl/numeric_impl.h: Likewise.
1952 * include/pstl/glue_memory_defs.h: Likewise.
1953 * include/pstl/execution_defs.h: Likewise.
1954 * include/pstl/utils.h: Likewise.
1955 * include/pstl/algorithm_fwd.h: Likewise.
1956 * include/pstl/unseq_backend_simd.h: Likewise.
1957 * include/pstl/glue_execution_defs.h: Likewise.
1958 * include/pstl/algorithm_impl.h: Likewise.
1959 * include/pstl/parallel_impl.h: Likewise.
1960 * include/pstl/memory_impl.h: Likewise.
1961 * include/pstl/glue_numeric_defs.h: Likewise.
1962 * include/pstl/parallel_backend_utils.h: Likewise.
1963 * include/pstl/glue_algorithm_defs.h: Likewise.
1964 * include/pstl/parallel_backend.h: Likewise.
1965 * include/pstl/glue_numeric_impl.h: Likewise.
1966 * include/pstl/parallel_backend_tbb.h: Likewise.
1967 * include/pstl/numeric_fwd.h: Likewise.
1968 * include/pstl/glue_algorithm_impl.h: Likewise.
1969 * include/pstl/execution_impl.h: Likewise.
1970 * include/pstl/pstl_config.h: Likewise.
1971 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1972 * testsuite/util/pstl/test_utils.h: Likewise.
1973 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1975 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1977 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1979 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
1980 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
1981 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
1982 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
1983 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1985 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
1986 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
1987 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
1988 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
1989 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1991 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
1992 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
1993 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
1994 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
1995 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1997 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
1998 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
1999 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
2001 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
2003 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
2004 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
2005 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
2007 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
2009 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
2011 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
2013 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
2015 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
2017 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
2019 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
2021 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
2023 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
2025 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
2027 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
2029 Rename header guards to be consistent with upstream project's
2031 * include/pstl/glue_memory_impl.h: Rename all macros of the form
2032 _PSTL_(.*)_H to _PSTL_\U\1_H.
2033 * include/pstl/numeric_impl.h: Likewise.
2034 * include/pstl/glue_memory_defs.h: Likewise.
2035 * include/pstl/execution_defs.h: Likewise.
2036 * include/pstl/utils.h: Likewise.
2037 * include/pstl/algorithm_fwd.h: Likewise.
2038 * include/pstl/unseq_backend_simd.h: Likewise.
2039 * include/pstl/glue_execution_defs.h: Likewise.
2040 * include/pstl/algorithm_impl.h: Likewise.
2041 * include/pstl/parallel_impl.h: Likewise.
2042 * include/pstl/memory_impl.h: Likewise.
2043 * include/pstl/glue_numeric_defs.h: Likewise.
2044 * include/pstl/parallel_backend_utils.h: Likewise.
2045 * include/pstl/glue_algorithm_defs.h: Likewise.
2046 * include/pstl/parallel_backend.h: Likewise.
2047 * include/pstl/glue_numeric_impl.h: Likewise.
2048 * include/pstl/parallel_backend_tbb.h: Likewise.
2049 * include/pstl/numeric_fwd.h: Likewise.
2050 * include/pstl/glue_algorithm_impl.h: Likewise.
2051 * include/pstl/execution_impl.h: Likewise.
2052 * include/pstl/pstl_config.h: Likewise.
2053 * testsuite/util/pstl/pstl_test_config.h: Likewise.
2055 Synchronize libstdc++ parallel algorithms with upstream
2057 * include/pstl/algorithm_fwd.h: Synchronize with
2058 upstream PSTL project.
2059 * include/pstl/algorithm_impl.h: Likewise.
2060 * include/pstl/execution_defs.h: Likewise.
2061 * include/pstl/execution_impl.h: Likewise.
2062 * include/pstl/glue_algorithm_impl.h: Likewise.
2063 * include/pstl/glue_execution_defs.h: Likewise.
2064 * include/pstl/numeric_fwd.h: Likewise.
2065 * include/pstl/numeric_impl.h: Likewise.
2066 * include/pstl/parallel_backend.h: Likewise.
2067 * include/pstl/pstl_config.h: Likewise.
2068 * include/pstl/unseq_backend_simd.h: Likewise.
2069 * include/pstl/parallel_backend_serial.h: New file.
2070 * include/Makefile.am (pstl_headers): Add
2071 parallel_backend_serial.h.
2072 * include/Makefile.in: Regenerate.
2074 Clean up non-conforming names
2075 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
2076 Uglfiy copy_range1 and copy_range2
2077 (__pattern_walk2_n): Rename local n to __n
2078 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
2079 Rename parameter _T to _Tp.
2081 Integrate non-TBB serial backend support
2082 * include/bits/c++config: Adjust TBB detection logic to select serial
2083 PSTL backend if no TBB present.
2084 * testsuite/utils/pstl/test_utils.h: Remove check for
2085 _PSTL_USE_PAR_POLICIES
2087 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
2089 * testsuite/24_iterators/container_access.cc: Move dg-options before
2090 dg-do directive so the target check uses the -std option.
2093 * configure: Regenerate.
2094 * src/Makefile.am (stamp-debug): Also test for missing makefile.
2095 * src/Makefile.in: Regenerate.
2097 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
2099 * include/std/array: Do not include <stdexcept>.
2100 * include/std/optional: Include <exception> and
2101 <bits/exception_defines.h> instead of <stdexcept>.
2102 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
2104 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
2106 * testsuite/23_containers/map/erasure.cc: Include <string>.
2107 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2109 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
2110 dg-prune-output for different C++98 diagnostic.
2111 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
2113 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
2115 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
2117 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
2119 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
2121 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
2123 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
2125 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
2127 * testsuite/23_containers/vector/requirements/dr438/
2128 constructor_1_neg.cc: Likewise.
2129 * testsuite/23_containers/vector/requirements/dr438/
2130 constructor_2_neg.cc: Likewise.
2131 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
2133 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
2135 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
2136 Do not test allocator rebinding extension for C++2a.
2137 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2138 dg-do directive for C++17 and C++2a.
2140 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2141 1_c++0x.cc: Remove redundant test.
2142 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2143 2.cc: Use target selector instead of preprocessor condition.
2144 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2145 3.cc: Do not run test for C++2a.
2146 * testsuite/23_containers/forward_list/requirements/
2147 explicit_instantiation/3.cc: Likewise.
2148 * testsuite/23_containers/forward_list/requirements/
2149 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2151 * testsuite/23_containers/list/requirements/explicit_instantiation/
2152 1_c++0x.cc: Remove redundant test.
2153 * testsuite/23_containers/list/requirements/explicit_instantiation/
2154 2.cc: Use target selector instead of preprocessor condition.
2155 * testsuite/23_containers/list/requirements/explicit_instantiation/
2156 3.cc: Do not run test for C++2a.
2157 * testsuite/23_containers/list/requirements/explicit_instantiation/
2158 5.cc: Do not test allocator rebinding extension for C++2a.
2159 * testsuite/23_containers/map/requirements/explicit_instantiation/
2160 1_c++0x.cc: Remove redundant test.
2161 * testsuite/23_containers/map/requirements/explicit_instantiation/
2162 2.cc: Adjust comment.
2163 * testsuite/23_containers/map/requirements/explicit_instantiation/
2164 3.cc: Do not run test for C++2a.
2165 * testsuite/23_containers/map/requirements/explicit_instantiation/
2166 5.cc: Do not test allocator rebinding extension for C++2a.
2167 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2168 1_c++0x.cc: Remove redundant test.
2169 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2170 3.cc: Do not run test for C++2a.
2171 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2172 5.cc: Do not test allocator rebinding extension for C++2a.
2173 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2174 3.cc: Do not run test for C++2a.
2175 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2176 5.cc: Do not test allocator rebinding extension for C++2a.
2177 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
2178 Do not run test for C++2a.
2179 * testsuite/23_containers/set/requirements/explicit_instantiation/
2180 1_c++0x.cc: Remove redundant test.
2181 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
2182 Do not test allocator rebinding extension for C++2a.
2183 * testsuite/23_containers/unordered_map/requirements/
2184 explicit_instantiation/3.cc: Likewise.
2185 * testsuite/23_containers/unordered_map/requirements/
2186 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2188 * testsuite/23_containers/unordered_multimap/requirements/
2189 explicit_instantiation/3.cc: Do not run test for C++2a.
2190 * testsuite/23_containers/unordered_multimap/requirements/
2191 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2193 * testsuite/23_containers/unordered_multiset/requirements/
2194 explicit_instantiation/3.cc: Do not run test for C++2a.
2195 * testsuite/23_containers/unordered_multiset/requirements/
2196 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2198 * testsuite/23_containers/unordered_set/requirements/
2199 explicit_instantiation/3.cc: Do not run test for C++2a.
2200 * testsuite/23_containers/unordered_set/requirements/
2201 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2203 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2204 2.cc: Remove redundant test.
2205 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2206 3.cc: Do not run test for C++2a.
2207 * testsuite/23_containers/vector/requirements/explicit_instantiation/
2210 * include/std/type_traits (is_empty, is_polymorphic, is_final)
2211 (is_abstract, is_aggregate): Remove static_assert.
2212 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
2214 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
2215 missing -std=gnu++17 option.
2216 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
2217 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
2218 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
2221 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
2222 * testsuite/18_support/set_unexpected.cc: Likewise.
2223 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
2225 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
2226 function to be valid in C++11.
2227 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
2228 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
2229 include Library Fundamentals or Networking headers in C++11 mode.
2230 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
2232 * include/std/tuple (_TC): Replace with _TupleConstraints.
2233 (_TupleConstraints): New helper for SFINAE constraints, with more
2234 expressive member functions to reduce duplication when used.
2235 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
2236 (tuple::_TCC): Replace dummy type parameter with bool non-type
2237 parameter that can be used to check the pack size.
2238 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
2239 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
2240 checking constraints in constructors.
2241 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
2243 (tuple::tuple): Use new helpers to reduce repitition in constraints.
2244 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
2245 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
2246 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
2247 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
2248 constraints in constructors.
2249 (tuple::__is_alloc_arg()): New SFINAE helpers.
2250 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
2252 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
2253 * testsuite/20_util/tuple/cons/90700.cc: New test.
2254 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
2255 to meet new constraint on allocator-extended default constructor.
2257 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2259 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
2260 * include/bits/stl_multimap.h (multimap): Likewise.
2262 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
2264 Rename variables and cleanup comments.
2265 * include/bits/hashtable_policy.h
2266 * include/bits/hashtable.h
2268 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2270 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
2271 Fix bgcolor for P0340R3.
2272 * doc/html/*: Regenerate.
2275 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
2276 <experimental/memory_resource>.
2277 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
2278 P0339R6, P0340R3, P1164R1 and P1357R1.
2279 * doc/html/*: Regenerate.
2281 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
2282 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
2283 allocator::value_type assertion for C++2a.
2284 * include/bits/hashtable.h: Likewise.
2285 * include/bits/stl_deque.h: Likewise.
2286 * include/bits/stl_list.h: Likewise.
2287 * include/bits/stl_map.h: Likewise.
2288 * include/bits/stl_multimap.h: Likewise.
2289 * include/bits/stl_multiset.h: Likewise.
2290 * include/bits/stl_set.h: Likewise.
2291 * include/bits/stl_vector.h: Likewise.
2292 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
2293 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
2294 * testsuite/23_containers/list/48101-3_neg.cc: New test.
2295 * testsuite/23_containers/map/48101-3_neg.cc: New test.
2296 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
2297 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
2298 * testsuite/23_containers/set/48101-3_neg.cc: New test.
2299 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
2300 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
2301 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
2302 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
2303 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
2305 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
2307 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
2309 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2311 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
2313 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
2315 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
2317 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2319 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
2322 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
2323 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
2324 * libsupc++/eh_term_handler.h: New header defining
2325 _GLIBCXX_DEFAULT_TERM_HANDLER.
2326 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
2327 (set_terminate): Restore default handler when argument is null.
2328 (set_unexpected): Likewise.
2329 * testsuite/18_support/set_terminate.cc: New test.
2330 * testsuite/18_support/set_unexpected.cc: New test.
2332 * include/backward/hashtable.h (size_t, ptrdiff_t)
2333 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
2334 (distance, vector, pair, __iterator_category): Remove
2335 using-declarations that add these names to namespace __gnu_cxx.
2336 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
2337 * include/ext/debug_allocator.h (size_t): Likewise.
2338 * include/ext/functional (size_t, unary_function, binary_function)
2339 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
2341 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
2342 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
2343 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
2344 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
2345 * include/ext/numeric (iota): Fix outdated comment.
2346 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
2347 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
2348 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
2349 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
2350 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
2352 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
2353 (allocator, __true_type, __false_type): Likewise.
2355 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
2358 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
2359 New helpers for checking preconditions in traits.
2360 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
2361 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
2362 (is_destructible, is_nothrow_destructible, is_constructible)
2363 (is_default_constructible, is_copy_constructible)
2364 (is_move_constructible, is_nothrow_default_constructible)
2365 (is_nothrow_constructible, is_nothrow_copy_constructible)
2366 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
2367 (is_nothrow_assignable, is_nothrow_copy_assignable)
2368 (is_nothrow_move_assignable, is_trivially_constructible)
2369 (is_trivially_copy_constructible, is_trivially_move_constructible)
2370 is_trivially_assignable, is_trivially_copy_assignable)
2371 (is_trivially_move_assignable, is_trivially_destructible)
2372 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
2373 (is_invocable_r, is_nothrow_invocable)
2374 (has_unique_object_representations, is_aggregate): Add static_asserts
2375 to make sure that type traits are not misused with incomplete types.
2376 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
2377 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
2378 base characteristics without assertions that can be reused in other
2380 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
2381 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
2383 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
2384 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
2385 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
2386 * testsuite/20_util/is_class/value.cc: Check incomplete type.
2387 * testsuite/20_util/is_function/value.cc: Likewise.
2388 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
2389 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
2391 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
2392 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
2393 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2394 * testsuite/20_util/is_union/value.cc: Likewise.
2395 * testsuite/20_util/is_void/value.cc: Likewise.
2396 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
2398 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2400 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
2401 Add new private member function.
2402 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
2403 (random_device::_M_init_pretr1(const string&)): Call new private
2404 member with string data.
2405 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
2407 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
2408 test using COW strings.
2409 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
2410 a value from the device.
2411 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
2412 Fix typo in token string.
2414 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
2416 LWG2788 basic_string spurious use of a default constructible allocator
2417 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
2418 (basic_string::_M_replace_dispatch): Construct temporary string with
2419 the current allocator.
2420 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
2421 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
2423 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
2425 * doc/xml/manual/diagnostics.xml: Update list of headers that define
2427 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
2428 section about new/delete overloads. Improve section on verbose
2430 * doc/html/*: Regenerate.
2432 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
2433 P0811R3. Change status of P1353R0.
2434 * doc/html/*: Regenerate.
2436 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
2437 documentation of implementation-defined types for [thread.req.native].
2438 * doc/xml/manual/status_cxx2017.xml: Update documentation of
2439 implementation-defined strings for [variant.bad.access]. Fix typo in
2440 documentation of implementation-defined support for [fs.conform.9945].
2441 * doc/html/*: Regenerate.
2443 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
2446 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
2447 that fails on mingw-w64.
2450 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
2451 (status(const path&, error_code&)): Use parent_path() to remove
2453 (symlink_status(const path&, error_code&)): Duplicate workaround for
2454 bug in _wstat for paths with trailing slash.
2455 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
2456 with trailing slash.
2457 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2458 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2460 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
2461 once instead of building it iteratively.
2463 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
2465 PR libstdc++/85494 use rdseed and rand_s in std::random_device
2466 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
2467 the assembler supports rdseed.
2468 * config.h.in: Regenerate.
2469 * configure: Regenerate.
2470 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
2471 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
2472 * doc/html/*: Regenerate.
2473 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
2474 * include/bits/random.h (random_device::random_device()): Always call
2475 _M_init rather than _M_init_pretr1.
2476 (random_device::random_device(const string&)): Likewise.
2477 (random_device::operator()()): Always call _M_getval().
2478 (random_device::_M_file): Replace first member of union with an
2479 anonymous struct, with _M_file as its first member.
2480 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
2481 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
2482 (USE_MT19937): Define if none of the above are defined.
2483 (USE_POSIX_FILE_IO): Define.
2484 (_M_strtoul): Remove.
2485 [USE_RDSEED] (__x86_rdseed): Define new function.
2486 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
2487 (random_device::_M_init(const string&)): Initialize new union members.
2488 Add support for "rdseed" and "rand_s" tokens. Decide what the
2489 "default" token does according to which USE_* macros are defined.
2490 [USE_POSIX_FILE_IO]: Store a file descriptor.
2491 [USE_MT19937]: Forward to _M_init_pretr1 instead.
2492 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
2493 code from _M_strtoul.
2494 [!USE_MT19937]: Call _M_init, transforming the old default token or
2495 numeric tokens to "default".
2496 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
2497 (random_device::_M_getval()): Use new union members to obtain a
2498 random number from the stored function pointer or file descriptor.
2499 [USE_MT19937]: Obtain a value from the mt19937 engine.
2500 (random_device::_M_getval_pretr1()): Call _M_getval().
2501 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
2503 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
2504 * testsuite/26_numerics/random/random_device/85494.cc: New test.
2506 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
2509 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
2510 _M_split_cmpts() for a path with multiple components.
2511 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
2512 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
2513 components and reserve space in vector. Return early when there is
2515 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
2516 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
2518 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
2519 form of std::equals for C++11 compatibility.
2521 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
2523 * doc/xml/manual/appendix_contributing.xml: Update pointer to
2524 C++ standard at ansi.org.
2526 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
2528 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
2529 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
2532 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
2533 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
2535 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2537 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
2539 * testsuite/20_util/function_objects/invoke/3.cc: New test.
2540 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2541 "compile" test to "run".
2543 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
2544 * doc/html/*: Regenerate.
2545 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
2546 rvalue aliasing constructor.
2547 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
2548 (reinterpret_pointer_cast): Add overloads taking rvalues.
2549 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
2550 Add rvalue aliasing constructor.
2551 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
2552 "run" and check return values as well as types.
2553 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
2554 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
2555 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
2556 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
2559 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
2560 * doc/xml/manual/intro.xml: Likewise.
2561 * include/std/future (__create_task_state): Add default arguments
2562 to make providing an allocator optional.
2563 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
2564 instead of delegating to another constructor.
2565 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
2566 define allocator-extended constructors for C++17 and later.
2567 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
2569 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2570 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2571 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2573 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
2575 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
2576 Don't run the libstdc++/83237 part on simulator targets.
2578 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2580 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
2582 * doc/html/*: Regenerate.
2584 * include/experimental/any (__any_caster): Use RTTI if comparing
2585 addresses fails, to support non-unique addresses in shared libraries.
2586 * include/std/any (__any_caster): Likewise.
2589 * include/experimental/any (__any_caster): Constrain to only be
2590 callable for object types. Use remove_cv_t instead of decay_t.
2591 If the type decays or isn't copy constructible, compare the manager
2592 function to a dummy specialization.
2593 (__any_caster): Add overload constrained for non-object types.
2594 (any::_Manager_internal<_Op>): Add dummy specialization.
2595 * testsuite/experimental/any/misc/any_cast.cc: Test function types
2598 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
2601 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
2602 reversed arguments to uninitialized_copy_n.
2603 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
2604 is unchanged by copy assignment.
2605 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
2606 compare path components.
2609 * include/experimental/memory_resource: Add system header pragma and
2610 do not define anything unless compiled as C++14 or later.
2611 (__resource_adaptor_common::__guaranteed_alignment): Remove.
2612 (__resource_adaptor_imp::do_allocate): If the requested alignment
2613 is a fundamental alignment then either allocate directly from _M_alloc
2614 or call the new _M_allocate function.
2615 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
2616 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
2617 of the allocator rebound to a POD type with the specified alignment.
2618 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
2619 * testsuite/experimental/memory_resource/new_delete_resource.cc:
2620 Adjust expected allocation sizes.
2621 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
2622 xfail for Solaris x86.
2624 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
2626 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
2627 * include/pstl/execution_defs.h (__enable_if_execution_policy):
2628 Use std::__remove_cvref_t when building with GCC.
2630 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
2633 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2634 Use "additional_flags" to pass -ltbb to v3_target_compile command.
2635 Use check_v3_target_prop_cached to cache the result of the test.
2637 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
2639 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2642 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2643 Changed v3_target_compile check from preprocess to executable.
2644 Added "-ltbb" to v3_target_compile flags.
2646 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2648 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2649 Add check for Thread Building Blocks 2018 or later.
2651 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2653 * testsuite/experimental/names.cc: Only include Networking TS headers
2654 on targets with the necessary Gthreads support.
2656 2019-05-20 Marek Polacek <polacek@redhat.com>
2658 CWG 2094 - volatile scalars are trivially copyable.
2660 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
2661 result for volatile int.
2663 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2665 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
2666 * testsuite/experimental/names.cc: Include <experimental/filesystem>
2669 PR c++/90532 Ensure __is_constructible(T[]) is false
2670 * include/std/type_traits (__do_is_default_constructible_impl)
2671 (__is_default_constructible_atom, __is_default_constructible_safe):
2673 (is_default_constructible): Use is_constructible.
2674 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
2675 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
2676 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
2677 * testsuite/20_util/is_trivially_default_constructible/value.cc:
2680 2019-05-20 Pádraig Brady <pbrady@fb.com>
2682 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
2683 to the deallocator with -fsized-deallocation.
2685 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2687 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
2688 test by passing correct alignment to deallocate function.
2690 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
2693 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2694 Raise exception if unique_ptr tuple member has unknown structure.
2695 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
2696 Adjust worker to support new __uniq_ptr_data base class. Do not
2697 assume field called _M_head_impl is the first tuple element.
2699 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2701 * include/bits/stl_deque.h
2702 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
2703 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
2704 (_Deque_base::_Deque_impl_data): New.
2705 (_Deque_base::_Deque_impl): Inherit latter.
2706 (_Deque_base::_Deque_impl::_M_swap_data): Move...
2707 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
2708 (_Deque_base::_Deque_impl()): Add noexcept qualification.
2709 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
2710 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
2711 (deque<>::deque()): Default.
2712 (deque<>::deque(deque&&)): Default.
2713 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
2714 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
2715 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
2716 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
2717 _M_range_initialize.
2718 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
2719 (deque<>::resize(size_type, const value_type&)): Share a single
2721 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
2722 _M_range_insert_aux.
2723 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
2724 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
2725 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
2726 * testsuite/23_containers/deque/allocator/default_init.cc: New.
2728 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
2731 * include/std/variant (holds_alternative, get, get_if): Improve
2732 static assertion messages.
2733 (bad_variant_access::bad_variant_access()): Change default message.
2734 (__throw_bad_variant_access(bool)): New overload.
2735 (get): Use new overload.
2736 (visit, visit<R>): Improve exception message.
2738 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
2739 targets. Add more cases from P0608R3.
2740 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
2742 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
2743 * include/experimental/type_traits (is_detected_exact)
2744 (is_detected_exact_v): Likewise.
2745 * include/pstl/execution_defs.h (is_execution_policy)
2746 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
2747 * include/pstl/execution_impl.h (__policy_traits): Likewise.
2748 * testsuite/17_intro/names.cc: Check for more non-reserved names.
2749 * testsuite/experimental/names.cc: New test.
2752 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
2753 assertions from the destructor.
2754 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
2755 Move static_assert for hash function to here.
2756 (_Hash_table_base::_M_equals): Move static_assert for equality
2758 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
2760 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
2761 the value directly instead of calling _S_value.
2762 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
2763 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
2764 _S_key(_Const_Link_type).
2765 * testsuite/23_containers/set/85965.cc: Check construction,
2766 destruction, assignment and size() do not trigger the assertions.
2767 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
2768 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
2770 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2771 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
2772 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2773 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2774 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2775 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2776 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2778 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
2779 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
2782 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
2784 * doc/html/*: Regenerate.
2785 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
2786 of decay_t (P0777R1).
2788 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2790 Move from state of allocators (LWG2593)
2791 * include/bits/stl_deque.h
2792 (_Deque_base(_Deque_base&&, false_type)): Remove.
2793 (_Deque_base(_Deque_base&&, true_type)): Remove.
2794 (_Deque_base(_Deque_base&&)): Adapt.
2795 (_Deque_base::_M_move_impl()): Remove.
2796 * testsuite/util/testsuite_allocator.h
2797 (propagating_allocator(propagating_allocator&&)): Preserve move from
2799 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
2801 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
2803 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
2804 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
2805 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
2807 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
2809 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
2810 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
2812 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
2814 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
2816 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
2818 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
2820 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
2822 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
2824 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
2827 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
2829 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
2830 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
2832 * include/std/variant (__overload_set): Remove.
2834 (_Build_FUN): New class template to define a single FUN overload,
2835 with specializations to prevent unwanted conversions, as per P0608R3.
2836 (_Build_FUNs): New class template to build an overload set of FUN.
2837 (_FUN_type): New alias template to perform overload resolution.
2838 (__accepted_type): Use integer_constant base for failure case. Use
2839 _FUN_type for successful case.
2840 (variant::__accepted_index): Use _Tp instead of _Tp&&.
2841 (variant::variant(_Tp&&)): Likewise.
2842 (variant::operator=(_Tp&&)): Likewise.
2844 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
2845 Replace raw visitation with a runtime check for the valueless state
2846 and a non-raw visitor.
2847 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
2848 (variant::index()): Remove branch.
2849 (variant::swap(variant&)): Use valueless_by_exception() instead of
2850 comparing the index to variant_npos, and add likelihood attribute.
2852 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
2853 (_Hashtable_base::_Equal_hash_code): Define new class template.
2854 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
2857 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
2858 Replace with _M_get non-static member function.
2859 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
2861 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
2862 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
2864 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
2865 _S_get accessors for members in EBO helpers.
2866 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
2867 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
2869 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
2871 (_Hashtable_base::_M_eq()): Remove non-const overload.
2873 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
2875 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
2877 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2879 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
2882 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2884 * config/os/solaris/solaris2.10: Move to ...
2885 * config/os/solaris: ... this.
2886 * configure.host (os_include_dir): Adapt.
2887 (abi_baseline_pair): Remove Solaris 10 handling.
2888 * config/abi/post/i386-solaris2.10: Remove.
2889 * config/abi/post/sparc-solaris2.10: Remove.
2890 * config/abi/post/i386-solaris2.11: Rename to ...
2891 * config/abi/post/i386-solaris: ... this.
2892 * config/abi/post/sparc-solaris2.11: Rename to ...
2893 * config/abi/post/sparc-solaris: ... this.
2895 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
2898 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
2901 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2903 * include/std/variant (__visit_with_index): Remove typedef.
2904 (__deduce_visit_result): New tag type.
2905 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
2906 visitation of possibly-valueless variants, forwarding to __do_visit
2907 with the relevant tag type.
2908 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
2909 and make lambda return void.
2910 (__variant_construct): Likewise.
2911 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
2912 __raw_idx_visit and make lambda return void.
2913 (_Multi_array::__untag_result): Add metafunction to check the function
2914 pointer type for a tag type that dictates the kind of visitation.
2915 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
2916 Use decltype(auto) instead of tagged function pointer type.
2917 (__gen_vtable_impl): Remove bool non-type parameter and unused
2918 _Variant_tuple parameter.
2919 (__gen_vtable_impl::__visit_invoke_impl): Remove.
2920 (__gen_vtable_impl::__do_visit_invoke): Remove.
2921 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
2922 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
2923 for the visit<R> case, rather than dispatching to separate functions.
2924 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
2926 (variant::swap): Likewise.
2927 (__do_visit): Replace two non-type template parameters with a single
2928 type parameter, so that the caller must specify the visitor's return
2929 type (or one of the tag types).
2930 (visit): Deduce a return type from the visitor and use the
2931 __deduce_visit_result tag to enforce that all overloads return the
2933 (visit<R>): Call __do_visit<R> with explicit result type.
2934 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
2937 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2939 nonesuch is insufficiently useless (lwg2996)
2940 * include/std/type_traits (struct __nonesuch): Added private base
2941 class to make __nonesuch not an aggregate and removed deleted default
2943 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
2944 (operator=(const pair&)): Use __nonesuch instead of
2945 __nonesuch_no_braces.
2946 (operator=(pair&&)): Likewise
2947 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
2948 of __nonesuch_no_braces.
2949 (operator=(tuple&&)): Likewise
2950 * include/experimental/type_traits (struct nonesuch): Added private
2951 base class to make nonesuch not an aggregate and removed deleted
2952 default constructor.
2953 * testsuite/20_util/nonesuch/nonesuch.cc: New.
2954 * testsuite/experimental/type_traits/nonesuch.cc: New.
2956 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2958 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
2959 (_Function_handler): Remove partial specializations for void return
2960 types and pointers to member.
2961 (_Function_handler::_M_manager): Adapt to removal of
2962 _Simple_type_wrapper.
2963 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
2964 * include/std/functional (_Bind_result::__enable_if_void)
2965 (_Bind_result::__disable_if_void): Remove sfinae helpers.
2966 (_Bind_result::__call): Use __invoke_r and remove overloads for void
2968 * include/std/future (__future_base::_Task_state::_M_run)
2969 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
2970 change return type of lambda expressions.
2972 * include/bits/invoke.h (__invoke_r): Define new function implementing
2973 the INVOKE<R> pseudo-function.
2974 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
2975 * testsuite/20_util/function_objects/invoke/2.cc: New test.
2977 * include/std/type_traits (__is_nt_convertible_helper): Define it
2978 unconditionally, not only for C++20.
2979 (__is_nothrow_convertible): Define internal trait for use in C++11.
2980 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
2981 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
2982 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
2983 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
2984 that has nothrow explicit conversion but potentially-throwing implicit
2986 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
2987 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
2988 function to only consider implicit conversions.
2989 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
2991 * include/std/iterator: Include <iosfwd> instead of <istream> and
2994 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
2995 Remove unused, non-standard function.
2997 * include/bits/regex.h (match_results::max_size()): Adjust return
2998 value to account for prefix/suffix/unmatched subs.
2999 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
3000 reset the contained sub matches.
3001 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
3002 function to set result state following a failed match.
3003 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
3004 sub_match states after _M_resize. Use _M_establish_failed_match.
3007 * include/std/thread (thread::_State_impl, thread::_S_make_state):
3008 Replace single _Callable parameter with variadic _Args pack, to
3009 forward them directly to the tuple of decayed copies.
3010 * testsuite/30_threads/thread/cons/69724.cc: New test.
3012 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
3014 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
3015 * include/bits/basic_string.h: (operator=(const basic_string&):
3016 Move allocator decision to assign.
3017 (assign(const basic_string&)): Move allocator decision here.
3018 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
3020 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
3023 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3025 * testsuite/util/testsuite_allocator.h (memory_resource)
3026 (default_resource_mgr): Fix indentation.
3028 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
3029 Use operator-> to access raw pointer member.
3030 * testsuite/23_containers/vector/59829.cc: Likewise.
3031 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
3032 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
3033 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
3035 (PointerBase, PointerBase_void): Derive from NullablePointer and use
3036 its constructors and equality operators. Change converting
3037 constructors to use operator-> to access private member of the other
3039 (PointerBase_void::operator->()): Add, for access to private member.
3040 (operator-(PointerBase, PointerBase)): Change to hidden friend.
3041 (operator==(PointerBase, PointerBase)): Remove.
3042 (operator!=(PointerBase, PointerBase)): Remove.
3044 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
3045 not assume field called _M_head_impl is the first tuple element.
3046 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
3047 implementation more accurate.
3048 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
3049 empty pointer type and non-empty deleter.
3051 LWG 2899 - Make is_move_constructible correct for unique_ptr
3052 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
3053 move assignment operator.
3054 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
3055 (__uniq_ptr_data): New class template with conditionally deleted
3057 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
3058 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
3059 constructor and move assignment operator as defaulted.
3060 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
3061 __uniq_ptr_impl::release().
3062 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
3063 to __uniq_ptr_impl::reset(pointer).
3064 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
3065 Check for new __uniq_ptr_data type.
3066 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
3068 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3070 PR libstdc++/90454.cc path construction from void*
3071 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
3072 pointers to void are rejected as well as void.
3073 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
3074 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
3076 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
3078 * doc/xml/manual/policy_data_structures.xml: Comment out stray
3079 <remark> elements. Fix formatting of bibliography references.
3081 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
3083 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
3085 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3087 Remove Profile Mode, deprecated since 7.1.0
3088 * doc/Makefile.am: Remove XML file for profile mode docs.
3089 * doc/Makefile.in: Regenerate.
3090 * doc/xml/authors.xml: Remove authors of profile mode docs.
3091 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
3093 * doc/xml/manual/debug.xml: Likewise.
3094 * doc/xml/manual/evolution.xml: Document removal of profile mode.
3095 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
3096 * doc/xml/manual/spine.xml: Remove profile mode author credit.
3097 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
3099 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
3101 * doc/html/*: Regenerate.
3102 * include/Makefile.am: Remove profile mode headers.
3103 * include/Makefile.in: Regenerate.
3104 * include/bits/c++config (std::__profile): Remove namespace.
3105 [_GLIBCXX_PROFILE]: Remove checks for macro.
3106 * include/profile/array: Remove.
3107 * include/profile/base.h: Remove.
3108 * include/profile/bitset: Remove.
3109 * include/profile/deque: Remove.
3110 * include/profile/forward_list: Remove.
3111 * include/profile/impl/profiler.h: Remove.
3112 * include/profile/impl/profiler_algos.h: Remove.
3113 * include/profile/impl/profiler_container_size.h: Remove.
3114 * include/profile/impl/profiler_hash_func.h: Remove.
3115 * include/profile/impl/profiler_hashtable_size.h: Remove.
3116 * include/profile/impl/profiler_list_to_slist.h: Remove.
3117 * include/profile/impl/profiler_list_to_vector.h: Remove.
3118 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
3119 * include/profile/impl/profiler_node.h: Remove.
3120 * include/profile/impl/profiler_state.h: Remove.
3121 * include/profile/impl/profiler_trace.h: Remove.
3122 * include/profile/impl/profiler_vector_size.h: Remove.
3123 * include/profile/impl/profiler_vector_to_list.h: Remove.
3124 * include/profile/iterator_tracker.h: Remove.
3125 * include/profile/list: Remove.
3126 * include/profile/map: Remove.
3127 * include/profile/map.h: Remove.
3128 * include/profile/multimap.h: Remove.
3129 * include/profile/multiset.h: Remove.
3130 * include/profile/ordered_base.h: Remove.
3131 * include/profile/set: Remove.
3132 * include/profile/set.h: Remove.
3133 * include/profile/unordered_base.h: Remove.
3134 * include/profile/unordered_map: Remove.
3135 * include/profile/unordered_set: Remove.
3136 * include/profile/vector: Remove.
3137 * scripts/run_doxygen: Do not process profile mode headers.
3138 * testsuite/23_containers/array/element_access/60497.cc: Don't use
3140 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
3141 Remove dg-skip-if for profile mode.
3142 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
3143 preprocessor check for profile mode.
3144 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
3145 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
3147 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
3149 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
3150 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
3151 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
3152 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
3153 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
3155 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
3157 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
3159 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
3161 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
3162 preprocessor check for profile mode.
3163 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
3165 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
3166 Remove dg-skip-if for profile mode.
3167 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
3168 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
3169 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
3170 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
3171 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
3172 * testsuite/Makefile.am: Remove profile_flags variable and
3173 * testsuite/Makefile.am: Remove profile_flags variable and
3174 check-profile target.
3175 * testsuite/Makefile.in: Regenerate.
3176 * testsuite/ext/profile/all.cc: Remove.
3177 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
3178 * testsuite/ext/profile/profiler_algos.cc: Remove.
3179 * testsuite/ext/profile/replace_new.cc: Remove.
3180 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
3181 preprocessor check for profile mode.
3182 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
3183 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
3184 (check_v3_target_normal_mode): Do not check for profile mode macro.
3185 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
3187 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
3188 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3189 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3190 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
3191 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
3192 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3193 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3194 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3195 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3196 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3198 Remove array_allocator extension, deprecated since 4.9.0
3199 * doc/xml/manual/allocator.xml: Remove documentation for
3201 * doc/xml/manual/evolution.xml: Document array_allocator removal.
3202 * doc/xml/manual/using.xml: Remove header from documentation.
3203 * include/Makefile.am: Remove <ext/array_allocator.h> header.
3204 * include/Makefile.in: Regenerate.
3205 * include/ext/array_allocator.h: Remove.
3206 * include/precompiled/extc++.h: Do not include removed header.
3207 * testsuite/ext/array_allocator/1.cc: Remove.
3208 * testsuite/ext/array_allocator/2.cc: Remove.
3209 * testsuite/ext/array_allocator/26875.cc: Remove.
3210 * testsuite/ext/array_allocator/3.cc: Remove.
3211 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
3212 * testsuite/ext/array_allocator/check_delete.cc: Remove.
3213 * testsuite/ext/array_allocator/check_new.cc: Remove.
3214 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
3215 * testsuite/ext/headers.cc: Do not include removed header.
3217 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
3219 * include/bits/stl_bvector.h
3220 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3222 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3224 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3226 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3228 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3230 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3232 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3234 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
3236 (_Bit_iterator::operator-(difference_type)): Likewise.
3237 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
3238 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
3240 (_Bit_const_iterator::operator-(difference_type)): Likewise.
3241 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
3243 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
3246 * testsuite/util/thread/all.h: Do not use remove_pointer for
3247 std::thread::native_handle_type.
3250 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
3251 (_Variant_storage<true, Types...>::_M_reset()))
3252 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
3253 (__get_storage): Likewise.
3254 (variant): Add noexcept to friend declarations for __get and
3258 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
3259 Use _Require for constraints.
3260 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
3262 (__uniq_ptr_hash): New base class with conditionally-disabled call
3264 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
3265 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
3266 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
3268 * include/bits/shared_ptr.h: Improve docs.
3269 * include/bits/shared_ptr_base.h: Likewise.
3270 * include/bits/stl_uninitialized.h: Likewise.
3271 * include/bits/unique_ptr.h: Likewise.
3272 * libsupc++/new: Likewise.
3274 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
3276 * include/bits/stl_deque.h
3277 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3279 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3281 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3283 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3285 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3287 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3289 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
3291 (_Deque_iterator<>::operator-(difference_type)): Likewise.
3293 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
3296 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
3297 (test01): Reserve for number of insertions to avoid rehash during test.
3298 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3300 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3305 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
3307 * include/experimental/bits/fs_path.h: Improve docs.
3308 * include/experimental/bits/net.h: Fix wrong header name in comment.
3309 Do not document implementation details.
3310 * include/experimental/netfwd: Fix doxygen grouping.
3312 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3314 * include/bits/stl_pair.h: Improve docs.
3315 * include/std/tuple: Likewise.
3317 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
3319 * include/std/chrono: Improve docs.
3320 * include/std/ratio: Do not document implementation details.
3321 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
3323 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
3326 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
3327 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
3328 (__duration_common_type): New helper.
3329 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
3330 __duration_common_type.
3331 (__timepoint_common_type_wrapper): Replace with ...
3332 (__timepoint_common_type): New helper.
3333 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
3334 Use __time_point_common_type.
3335 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
3336 (__common_type_impl): If either argument is transformed by decay,
3337 use the common_type of the decayed types.
3338 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
3339 decayed, use __do_common_type_impl to get the common_type.
3340 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
3341 (__do_member_type_wrapper, __member_type_wrapper)
3342 (__expanded_common_type_wrapper): Remove.
3343 (__common_type_pack, __common_type_fold): New helpers.
3344 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
3345 __member_type_wrapper and __expanded_common_type_wrapper.
3346 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3347 Test zero-length template argument list.
3348 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3349 Test single argument cases and argument types that should decay.
3350 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3351 Adjust expected error.
3352 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
3354 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3355 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3356 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3358 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
3360 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
3362 Make allocator propagation more consistent for
3363 operator+(basic_string) (P1165R1)
3364 * include/bits/basic_string.h
3365 (operator+(basic_string&&, basic_string&&): Changed resulting
3366 allocator to always be the one from the first parameter.
3367 * include/bits/basic_string.tcc
3368 (operator+(const _CharT*, const basic_string&)): Changed
3369 resulting allocator to be SOCCC on the second parameter's allocator.
3370 (operator+(_CharT, const basic_string&)): Likewise.
3371 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
3373 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
3376 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3378 * include/bits/regex.h: Improve docs.
3379 * include/bits/regex.tcc: Do not document implementation details.
3381 * testsuite/19_diagnostics/error_code/hash.cc: New test.
3383 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
3385 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3386 Add type printer for container types in std::__debug namespace.
3387 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
3388 (gdb-tests): Use distinct parameters for the type of test and use of
3390 (gdb-test): Check for regex test even if 'whatis' test.
3391 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
3393 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3394 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3395 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3396 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3397 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3398 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3399 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3401 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
3403 * include/std/system_error (error_category): Fix comment.
3406 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
3407 argument is an empty path.
3408 (absolute(const path&, error_code&)): Use invalid_argument as error
3409 code instead of no_such_file_or_directory.
3410 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
3411 of non-existent paths and empty paths with both overloads of absolute.
3413 * include/std/system_error (error_category, error_code)
3414 (error_condition): Improve docs.
3415 * libsupc++/exception: Add missing @addtogroup Doxygen command.
3416 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
3417 to class documentation. Suppress documentation for implementation
3419 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
3420 Suppress documentation for implementation details.
3422 * include/std/system_error (error_code): Remove friend declaration
3423 for hash<error_code>.
3424 (hash<error_code>::operator()): Use public member functions to access
3426 (hash<error_condition>::operator()): Use address of category, not
3427 its object representation.
3428 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
3429 Use public member functions to access value and category.
3430 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
3432 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
3434 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
3435 * include/bits/hashtable_policy.h
3436 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
3437 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
3438 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
3439 smaller than input value rather than always greater. Preserve
3440 _M_next_resize if called with 0 input. Use __builtin_floorl.
3441 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
3442 elements + number of insertions is greater than _M_next_resize. Start
3443 with 11 buckets if not told otherwise. Use __builtin_floorl.
3444 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
3445 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
3446 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
3447 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
3448 told otherwise. Use __builtin_floorl.
3449 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
3450 to also validate _Power2_rehash_policy.
3451 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
3454 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
3457 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
3461 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
3462 overflow warning with -Wpedantic -Wsystem-headers.
3464 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
3467 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
3468 * include/bits/move.h (swap): Remove extra parentheses.
3470 * include/experimental/bits/lfts_config.h: Improve doc markup.
3471 * include/experimental/optional: Improve docs.
3472 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
3473 (__constexpr_addressof): Remove.
3474 (optional::operator->()): Use std::__addressof().
3475 * include/std/optional (optional::operator->()): Adjust whitespace.
3476 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
3477 that operator-> is still constexpr with overloaded operator&. Change
3478 to compile-only test.
3479 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
3482 * include/bits/shared_ptr.h: Improve docs.
3483 * include/bits/shared_ptr_atomic.h: Likewise.
3484 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
3486 * include/bits/basic_string.h: Fix iterator/index confusion in
3488 * include/bits/range_access.h: Fix Doxygen warnings.
3489 * include/bits/refwrap.h: Do not document implementation details.
3490 (ref, cref): Group docs with reference_wrapper.
3491 * include/std/fstream: Fix Doxygen markup.
3492 * libsupc++/initializer_list (begin, end): Group docs with
3495 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
3497 * include/bits/unique_lock.h: Fix/improve doxygen markup.
3498 * include/std/mutex: Likewise.
3499 * include/std/shared_mutex: Likewise.
3501 * include/bits/fs_dir.h: Fix/improve doxygen markup.
3502 * include/bits/fs_fwd.h: Likewise.
3503 * include/bits/fs_ops.h: Likewise.
3504 * include/bits/fs_path.h: Likewise.
3505 * include/std/filesystem: Likewise.
3507 * include/experimental/bits/net.h: Fix/improve doxygen markup.
3508 * include/experimental/buffer: Likewise.
3509 * include/experimental/executor: Likewise.
3510 * include/experimental/internet: Likewise.
3511 * include/experimental/io_context: Likewise.
3512 * include/experimental/net: Likewise.
3513 * include/experimental/netfwd: Likewise.
3514 * include/experimental/socket: Likewise.
3515 * include/experimental/timer: Likewise.
3517 * doc/doxygen/doxygroups.cc: Move description of experimental group
3519 * include/experimental/algorithm: Add to libfund-ts doc group.
3520 * include/experimental/any: Likewise. Do not document implementation
3522 * include/experimental/array: Add to libfund-ts doc group.
3523 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
3524 for Library Fundamentals.
3525 * include/experimental/chrono: Add to libfund-ts doc group.
3526 * include/experimental/deque: Likewise.
3527 * include/experimental/forward_list: Likewise.
3528 * include/experimental/functional: Likewise.
3529 * include/experimental/iterator: Likewise.
3530 * include/experimental/list: Likewise.
3531 * include/experimental/map: Likewise.
3532 * include/experimental/memory: Likewise.
3533 * include/experimental/memory_resource: Likewise. Improve docs.
3535 * include/experimental/numeric: Add to libfund-ts doc group.
3536 * include/experimental/optional: Likewise.
3537 * include/experimental/propagate_const: Likewise.
3538 * include/experimental/random: Likewise.
3539 * include/experimental/ratio: Likewise.
3540 * include/experimental/regex: Likewise.
3541 * include/experimental/set: Likewise.
3542 * include/experimental/source_location: Likewise.
3543 * include/experimental/string: Likewise.
3544 * include/experimental/string_view: Likewise.
3545 * include/experimental/system_error: Likewise.
3546 * include/experimental/tuple: Likewise.
3547 * include/experimental/type_traits: Likewise.
3548 * include/experimental/unordered_map: Likewise.
3549 * include/experimental/unordered_set: Likewise.
3550 * include/experimental/utility: Likewise.
3551 * include/experimental/vector: Likewise.
3552 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
3553 * testsuite/experimental/array/neg.cc: Adjust dg-error.
3554 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
3556 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
3557 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
3558 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
3559 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
3560 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
3562 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
3563 * include/experimental/bits/fs_fwd.h: Improve docs.
3564 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
3565 * include/experimental/bits/fs_path.h: Likewise.
3566 (path, filesystem_error, u8path): Improve docs.
3567 * include/experimental/filesystem: Link to docs for TS.
3569 * config/allocator/new_allocator_base.h (__allocator_base): Add
3570 workaround for Doxygen bug #6945.
3571 * include/std/memory: Improve docs. Define group for pointer safety.
3572 * include/std/scoped_allocator: Improve docs. Use "undocumented"
3573 conditional to suppress documentation for implementation details.
3575 * include/bits/specfun.h: Improve docs.
3576 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
3579 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
3580 (std::experimental): Add docs.
3581 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
3582 namespace to nothing when generating docs.
3583 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
3584 * include/std/chrono (std::chrono): Likewise.
3585 * include/std/functional (std::placeholders): Likewise.
3586 * include/std/thread (std::this_thread): Likewise.
3588 * include/parallel/settings.h: Fix Doxygen markup.
3590 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
3591 anything unless PB_DS_CLASS_C_DEC is defined.
3592 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
3593 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
3594 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
3595 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
3596 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
3597 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
3598 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
3600 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
3601 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
3602 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
3603 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
3604 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
3605 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
3606 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
3607 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
3608 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
3609 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
3610 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
3612 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
3613 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
3615 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
3618 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
3619 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
3620 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
3623 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3625 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
3626 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
3627 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
3628 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
3629 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
3630 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3632 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
3633 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3636 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
3639 * include/std/complex (__complex_proj): Return parameter unchanged.
3640 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
3641 floating-point types to take std::complex arguments.
3642 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
3643 floating-point types.
3644 * testsuite/26_numerics/complex/proj.cc: New test.
3646 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3648 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
3649 to _Lock_policyE[012].
3650 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3652 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
3654 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
3655 macros accidentally left in.
3656 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
3657 unnecessary -lstdc++fs option. Fix test for mingw.
3658 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3661 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3663 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3665 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
3667 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
3669 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
3670 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
3673 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
3675 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
3678 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
3679 class template and partial specialization.
3682 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
3684 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
3685 functions to convert a value to an integral type.
3686 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
3687 (fill_n): Convert _Size parameter to an integral type.
3688 * testsuite/25_algorithms/fill_n/87982.cc: New test.
3689 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
3690 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
3691 * testsuite/25_algorithms/generate_n/87982.cc: New test.
3692 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
3693 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
3695 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
3697 Adding noexcept-specification on tuple constructors (LWG 2899)
3698 * libstdc++-v3/include/std/tuple:
3699 (tuple()): Add noexcept-specification.
3700 (tuple(const _Elements&...)): Likewise
3701 (tuple(_UElements&&...)): Likewise
3702 (tuple(const tuple<_UElements...>&)): Likewise
3703 (tuple(tuple<_UElements...>&&)): Likewise
3704 (tuple(const _T1&, const _T2&)): Likewise
3705 (tuple(_U1&&, _U2&&)): Likewise
3706 (tuple(const tuple<_U1, _U2>&): Likewise
3707 (tuple(tuple<_U1, _U2>&&): Likewise
3708 (tuple(const pair<_U1, _U2>&): Likewise
3709 (tuple(pair<_U1, _U2>&&): Likewise
3710 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
3712 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
3715 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
3716 arguments with __restrict.
3718 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
3720 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3722 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
3724 * include/experimental/bits/fs_path.h
3725 (path::_S_convert_loc<_InputIterator>): Create const std::string to
3726 avoid redundant call to _S_convert_loc with non-const pointers.
3728 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
3729 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
3730 * testsuite/21_strings/basic_string/hash/hash.cc
3731 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
3732 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
3733 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
3735 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
3736 wstring::_M_replace_dispatch with more specific patterns.
3737 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
3738 Create const std::string to avoid redundant call to _S_convert_loc
3739 with non-const pointers.
3740 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
3741 avoid unnecessary basic_string::assign instantiations.
3743 * include/std/memory (__uses_alloc_args): Add string-literal to
3744 static_assert, to match the one in __uses_alloc.
3745 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
3746 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
3747 for recursive uses-allocator construction of nested pairs.
3748 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
3751 2019-04-26 Jakub Jelinek <jakub@redhat.com>
3753 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3754 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3755 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
3756 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
3758 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3759 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3760 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
3761 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3762 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3763 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3764 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3766 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
3769 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
3770 * include/std/scoped_allocator [__cplusplus > 201703L]
3771 (scoped_allocator_adaptor::construct): Define in terms of
3772 uses_allocator_construction_args, as per P0591R4.
3773 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
3774 * testsuite/util/testsuite_allocator.h: Remove name of unused
3777 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
3779 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
3780 * doc/html/*: Regenerate.
3782 * include/bits/fs_path.h (operator<, operator<=, operator>)
3783 (operator>=, operator==, operator!=): Make hidden friends, as per
3785 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
3786 string type in test.
3787 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3789 * include/std/any (any::any(ValueType&&)): Use __and_v.
3790 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
3793 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
3795 * include/std/type_traits (__result_of_memfun): Use remove_reference
3796 instead of __remove_cvref_t and remove redundant is_same check.
3797 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
3799 * include/experimental/string_view (basic_string_view::pointer)
3800 (basic_string_view::reference): Fix to refer to non-const value_type.
3801 * include/bits/basic_string.h (basic_string): Use __sv_check and
3802 __sv_limit instead of basic_string_view::_M_check and
3803 basic_string_view::_M_limit.
3804 * include/std/string_view (__sv_check, __sv_limit): New
3805 helper functions to replace basic_string_view::_M_check and
3806 basic_string_view::_M_limit.
3807 (basic_string_view): Add static assertions to enforce ill-formed
3808 requirement for traits_type::char_type from P1148R0, and to enforce
3809 required properties of char-like types.
3810 (basic_string_view::pointer, basic_string_view::reference): Fix to
3811 refer to non-const value_type.
3812 (basic_string_view::operator[], basic_string_view::at)
3813 (basic_string_view::front, basic_string_view::back)
3814 (basic_string_view::data): Use const_reference and const_pointer
3815 typedefs for return types.
3816 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
3817 (hash<wstring_view>): Fix argument_type typedef.
3818 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3819 char/1.cc: Fix expected return type of basic_string_view::data().
3820 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3821 wchar_t/1.cc: Likewise.
3822 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3823 char/1.cc: Likewise.
3824 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3825 wchar_t/1.cc: Likewise.
3826 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
3828 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
3829 Check reference and pointer typedefs.
3830 * testsuite/experimental/string_view/requirements/typedefs.cc:
3832 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
3833 Fix expected return type of basic_string_view::data().
3834 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
3836 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
3838 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
3842 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
3843 Avoid a runtime check for types that can never be stored in std::any.
3844 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3847 PR libstdc++/90220 (partial)
3848 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
3849 not attempt ill-formed static_cast to pointers to non-object types.
3850 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3853 * testsuite/20_util/variant/run.cc: Catch exception by reference to
3854 prevent -Wcatch-value warning.
3856 * include/std/variant (__variant_construct): Use template parameter
3857 type instead of equivalent decltype-specifier.
3858 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
3859 Replace forward with move.
3860 (_Move_ctor_base<false, Types...>::_M_destructive_move)
3861 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
3862 (_Move_ctor_base<true, Types...>::_M_destructive_move)
3863 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
3864 index after construction succeeds.
3865 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
3866 if-constexpr checks that are always true. Use __remove_cvref_t instead
3867 of remove_reference so that is_nothrow_move_constructible check
3868 doesn't use a const rvalue parameter. In the potentially-throwing case
3869 construct a temporary and move assign it, as per LWG 2904.
3870 (_Move_assign_base<false, Types...>::operator=): Remove redundant
3871 if-constexpr checks that are always true. Use emplace as per LWG 2904.
3872 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
3873 construct a temporary and move assign from it, as per LWG 2904.
3874 * testsuite/20_util/variant/exception_safety.cc: Check that
3875 assignment operators have strong exception safety guarantee.
3877 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
3879 Document PSTL linker flags
3881 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
3883 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3885 * include/std/variant (__detail::__variant::_Traits): Make
3886 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
3887 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
3889 (__detail::__variant::_Copy_assign_alias): Only depend on
3890 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
3891 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
3892 move assignment operators.
3895 * include/std/variant (variant::__not_self): New helper for the
3896 is_same_v<remove_cvref_t<T>, variant>==false constraints.
3897 (variant::__to_type_impl): Remove.
3898 (variant::__to_type): Add default argument to check pack size, instead
3899 of using __to_type_impl.
3900 (variant::__accepted_type): Add default argument using __not_self.
3901 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
3902 for variant(T&&) constructor constraint.
3903 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
3904 Extract __accepted_type into a named template parameter for reuse in
3905 other constraints and in the exception specification.
3906 (variant::variant(in_place_type_t<T>, Args&&...))
3907 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
3908 (variant::variant(in_place_index_t<T>, Args&&...))
3909 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
3910 (variant::operator=T&&)): Remove redundant && from trait arguments.
3911 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
3912 isn't used for in_place_type or in_place_index arguments.
3914 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
3915 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
3916 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
3918 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3919 Bernd Edlinger <bernd.edlinger@hotmail.de>
3920 Jakub Jelinek <jakub@redhat.com>
3923 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
3924 general-regs-only target attribute for ARM.
3926 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3929 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
3930 specialization also depend on is_nothrow_move_constructible.
3931 * include/std/variant (__detail::__variant::__never_valueless()):
3932 Only true if the variant would have a move assignment operator.
3933 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
3934 Check __never_valueless<T...>().
3935 (variant::emplace): Only perform non-throwing move assignments
3936 for never-valueless alternatives if the variant has a move assignment
3938 * testsuite/20_util/variant/compile.cc: Check that never-valueless
3939 types can be emplaced into non-assignable variants.
3940 * testsuite/20_util/variant/run.cc: Check that never-valueless types
3941 don't get copied when emplaced into non-assignable variants.
3943 * include/std/variant (__detail::__variant::__ref_cast): Remove
3945 (__detail::__variant::_Uninitialized::_M_get)
3946 (__detail::__variant::__get)
3947 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
3949 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
3951 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
3953 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
3954 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
3955 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
3956 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
3958 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3960 Delegate PSTL configuration to pstl/pstl_config.h
3962 * include/bits/c++config: Remove explicit PSTL configuration
3963 macros and use definitions from <pstl/pstl_config.h>.
3965 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3967 Cleanup algorithm implementations
3968 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
3970 (mismatch): Forward execution policy.
3971 (equal): Qualify call to std::equal().
3972 (partial_sort): Forward execution policy.
3973 (inplace_merge): Forward execution policy.
3975 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
3977 Improve implementation of parallel equal()
3978 * include/pstl/algorithm_impl.h
3979 (__internal::__brick_equal): use "4 iterator" version of
3981 (__internal::__brick_equal): use simd for random access
3982 iterators on unsequenced execution policies.
3983 (__internal::__pattern_equal): add "4 iterator" version
3984 (__internal::__pattern_equal): dispatch to simd __brick_equal
3985 for vector-only execution policies.
3986 (__internal::__pattern_equal): dispatch to __parallel_or for
3987 parallel execution policies.
3988 * include/pstl/glue_algorithm_impl.h
3989 (std::equal): dispatch to "4 iterator" version of
3990 __internal::__pattern_equal().
3992 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
3995 * include/bits/forward_list.h (operator==): Do not use operator!= to
3997 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
3998 earlier in the list, so that sort is stable.
3999 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
4000 * testsuite/23_containers/forward_list/comparable.cc: Test with
4001 types that meet the minimum EqualityComparable and LessThanComparable
4002 requirements. Remove irrelevant comment.
4004 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
4005 Do not depend on whether all alternative types are move constructible.
4006 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
4007 from the operand when deciding whether to perform the assignment.
4008 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
4009 with deleted move constructor and deleted move assignment operator.
4010 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
4011 behaviour of variants with DeletedMoves as an alternative.
4012 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
4013 (move_ctor, move_assign): Check that moving a variant with a
4014 DeletedMoves alternative falls back to copying instead of moving.
4016 * testsuite/20_util/variant/compile.cc: Remove empty string literals
4017 from static_assert declarations.
4019 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
4020 actually match its name.
4021 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
4022 (test_swap()): Fix result for MoveCtorOnly and check
4023 MoveCtorAndSwapOnly.
4025 * include/std/optional (optional::value_or(U&&) &&): Add missing
4026 constexpr specifier.
4027 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
4028 for disengaged optionals and rvalue optionals.
4029 * testsuite/20_util/optional/observers/4.cc: Likewise.
4031 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
4033 * include/pstl/algorithm_impl.h: Uglify identfiers.
4034 * include/pstl/numeric_impl.h: Uglify identfiers.
4035 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
4037 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
4039 * include/bits/c++config:
4040 Add definition for __PSTL_ASSERT.
4041 Add definition for __PSTL_ASSERT_MSG.
4042 * include/pstl/algorithm_impl.h: Replace use of assert().
4043 * include/pstl/numeric_impl.h: Replace use of assert().
4044 * include/pstl/parallel_backend_tbb.h:
4045 Replace use of assert().
4046 Replace use of __TBB_ASSERT().
4047 * include/pstl/parallel_backend_utils.h: Replace use of assert().
4049 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
4052 * src/c++17/memory_resource.cc
4053 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
4054 needed to allow placing a _Chunk at the end of the buffer.
4055 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
4057 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
4059 * doc/xml/faq.xml: Add information about emergency EH pool.
4060 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
4061 Move outdated information on mt_allocator to a separate section.
4062 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
4063 doesn't affect the default allocator.
4065 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
4069 * testsuite/20_util/variant/89851.cc: New test.
4071 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
4073 * include/std/variant: Adjust whitespace. Add comments.
4074 (_Multi_array): Leave primary template undefined.
4075 (_Multi_array<_Tp>): Define partial specialization for base case of
4077 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
4078 which is always a reference.
4079 (__gen_vtable::_S_apply()): Remove function, inline body into
4080 default member initializer.
4081 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
4083 * include/std/variant (__variant_idx_cookie): Add member type.
4084 (__visitor_result_type): Remove.
4085 (__do_visit): Use invoke_result instead of __visitor_result_type.
4086 * testsuite/20_util/variant/visit.cc: New test.
4089 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
4091 * testsuite/20_util/variant/90008.cc: New test.
4093 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
4095 * include/pstl/algorithm_impl.h: Add namespace qualification.
4096 * include/pstl/execution_defs.h: Add namespace qualification.
4097 * include/pstl/execution_impl.h: Add namespace qualification.
4098 * include/pstl/numeric_impl.h: Add namespace qualification.
4099 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
4100 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
4101 * include/pstl/parallel_backend_utils.h: Include <cassert>.
4103 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
4105 Fix visit<R> for variant.
4106 * include/std/variant (__do_visit): Add a template parameter
4107 for enforcing same return types for visit.
4108 (__gen_vtable_impl): Likewise.
4109 (_S_apply_single_alt): Adjust.
4110 (__visit_invoke_impl): New. Handle casting to void.
4111 (__do_visit_invoke): New. Enforces same return types.
4112 (__do_visit_invoke_r): New. Converts return types.
4113 (__visit_invoke): Adjust.
4114 (__gen_vtable): Add a template parameter for enforcing
4115 same return types for visit.
4116 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
4117 different return types.
4118 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
4119 visitors with different return types don't accidentally
4120 compile with regular visitation.
4122 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
4124 * testsuite/27_io/filesystem/iterators/caching.cc: Add
4125 dg-require-filesystem-ts.
4127 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
4129 * doc/xml/manual/status_cxx2020.xml: Update status.
4130 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
4131 * testsuite/20_util/variant/visit_r.cc: New test.
4133 * include/bits/fs_dir.h (directory_iterator::operator*)
4134 (directory_iterator::operator->): Add noexcept.
4135 (operator==, operator!=): Replace namespace-scope equality operators
4136 for directory iterators with hidden friends.
4139 * config/abi/pre/gnu.ver: Add missing exports.
4140 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
4143 * config/abi/pre/gnu.ver: Export new symbols.
4144 * include/bits/fs_dir.h (recursive_directory_iterator::options())
4145 (recursive_directory_iterator::recursion_pending())
4146 (recursive_directory_iterator::disable_recursion_pending()): Remove
4147 inline definitions. Make noexcept.
4148 (recursive_directory_iterator::depth())
4149 (recursive_directory_iterator::operator*())
4150 (recursive_directory_iterator::operator->()): Make noexcept.
4151 (recursive_directory_iterator::_M_options)
4152 (recursive_directory_iterator::_M_pending): Remove data members.
4153 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
4154 (recursive_directory_iterator::recursive_directory_iterator): Remove
4155 ctor-initializer. Use new constructor for _Dir_stack.
4156 (recursive_directory_iterator::options())
4157 (recursive_directory_iterator::recursion_pending())
4158 (recursive_directory_iterator::disable_recursion_pending()): Add
4159 non-inline definitions.
4160 (recursive_directory_iterator::depth()): Make noexcept.
4161 (recursive_directory_iterator::increment(error_code&))
4162 (recursive_directory_iterator::pop(error_code&)): Adjust to new
4163 location of options and recursion_pending members.
4164 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
4165 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
4166 user-declared move constructor and assignment operator, to make the
4169 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
4170 d_type == DT_UNKNOWN immediately.
4171 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
4173 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
4175 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
4177 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
4178 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
4181 PR libstdc++/87431 (again)
4182 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
4183 Define partial specialization for basic_string.
4184 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
4185 shared_ptr and weak_ptr.
4186 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
4188 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
4190 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
4192 * include/debug/vector (_Never_valueless_alt): Likewise for debug
4194 * include/std/any (_Never_valueless_alt): Define explicit
4195 specialization for any.
4196 * include/std/variant (_Never_valueless_alt): Define primary template.
4197 (__never_valueless): Use _Never_valueless_alt instead of
4198 is_trivially_copyable.
4199 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
4200 initializations to avoid try-catch overhead. Add special case for
4201 scalars produced by potentially-throwing conversions. Use
4202 _Never_valueless_alt instead of is_trivially_copyable for the
4203 remaining strong exception-safety cases.
4204 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
4205 * testsuite/20_util/variant/87431.cc: Run both test functions.
4206 * testsuite/20_util/variant/exception_safety.cc: New test.
4207 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
4208 so the variant becomes valueless.
4210 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
4213 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
4215 (variant::emplace<_Tp>): Return result of emplace<N> directly.
4217 * include/std/string (__hash_string_base): New class template defining
4218 operator() for hashing strings.
4219 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
4220 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
4221 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
4222 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
4224 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
4226 Use single-visitation in variant assignment and swap and relops.
4227 Also use indices instead of types when checking whether
4228 variants hold the same thing.
4229 * include/std/variant (__do_visit): Add a template parameter
4230 for index visitation, invoke with indices if index visitation
4232 (__variant_idx_cookie): New.
4233 (__visit_with_index): Likewise.
4234 (_Copy_assign_base::operator=): Do single-visitation with
4236 (_Move_assign_base::operator=): Likewise.
4237 (_Extra_visit_slot_needed): Adjust.
4238 (__visit_invoke): Call with indices if it's an index visitor.
4239 (relops): Do single-visitation with an index visitor.
4241 (__visitor_result_type): New.
4243 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
4245 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
4247 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
4249 Don't revisit a variant we are already visiting.
4250 * include/std/variant (__variant_construct_single): New.
4251 (__variant_construct): Use it.
4252 (_M_destructive_move): Likewise.
4253 (_M_destructive_copy): Likewise.
4254 (_Copy_assign_base::operator=): Adjust.
4255 (_Move_assign_base::operator=): Likewise.
4258 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
4261 * include/bits/hashtable.h (_Hashtable): Move static assertions to
4262 destructor so they are not evaluated until the _Key type is complete.
4263 * include/bits/stl_tree.h (_Rb_tree): Likewise.
4264 * testsuite/23_containers/set/85965.cc: New test.
4265 * testsuite/23_containers/unordered_set/85965.cc: New test.
4266 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
4267 with regexp matching the corresponding _Rb_tree specialization.
4268 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
4269 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
4270 * testsuite/23_containers/set/48101_neg.cc: Likewise.
4271 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
4272 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
4273 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
4274 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
4276 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4279 Fix based on a suggestion by Antony Polukhin.
4280 * include/std/variant (__never_valueless): New.
4282 (_Extra_visit_slot_needed): New.
4283 (_Multi_array): Use it.
4284 (_S_apply_all_alts): Likewise.
4286 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4289 Fix based on a suggestion by Antony Polukhin.
4290 * include/std/variant (__gen_vtable): Don't reserve an
4291 additional table slot, _Multi_array already does that.
4293 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4296 Fix based on a suggestion by Antony Polukhin.
4297 * include/std/variant (__variant_construct): Capture a pointer
4298 to the storage and visit just one variant.
4300 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
4302 * doc/xml/manual/backwards_compatibility.xml: Remove link to
4303 Doxygen-generated pages with unstable URL.
4304 * doc/xml/manual/concurrency_extensions.xml: Likewise.
4305 * doc/xml/manual/extensions.xml: Likewise.
4306 * doc/xml/manual/parallel_mode.xml: Likewise.
4307 * doc/xml/manual/support.xml: Likewise.
4309 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
4310 avoid -Wconversion warnings.
4312 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
4314 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
4315 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
4316 (allstamped): Add stamp-pstl.
4317 (install-headers): Add ptsl_builddir.
4318 * include/Makefile.in: Regenerate.
4319 * include/bits/c++config: Add pstl configuration.
4320 * include/pstl/LICENSE.txt: New file.
4321 * include/pstl/algorithm_fwd.h: New file.
4322 * include/pstl/algorithm_impl.h: New file.
4323 * include/pstl/execution_defs.h: New file.
4324 * include/pstl/execution_impl.h: New file.
4325 * include/pstl/glue_algorithm_defs.h: New file.
4326 * include/pstl/glue_algorithm_impl.h: New file.
4327 * include/pstl/glue_execution_defs.h: New file.
4328 * include/pstl/glue_memory_defs.h: New file.
4329 * include/pstl/glue_memory_impl.h: New file.
4330 * include/pstl/glue_numeric_defs.h: New file.
4331 * include/pstl/glue_numeric_impl.h: New file.
4332 * include/pstl/memory_impl.h: New file.
4333 * include/pstl/numeric_fwd.h: New file.
4334 * include/pstl/numeric_impl.h: New file.
4335 * include/pstl/parallel_backend.h: New file.
4336 * include/pstl/parallel_backend_tbb.h: New file.
4337 * include/pstl/parallel_backend_utils.h: New file.
4338 * include/pstl/parallel_impl.h: New file.
4339 * include/pstl/pstl_config.h: New file.
4340 * include/pstl/unseq_backend_simd.h: New file.
4341 * include/pstl/utils.h: New file.
4342 * include/std/algorithm: Include parallel algorithm implementations.
4343 * include/std/execution: New file.
4344 * include/std/memory: Include parallel algorithm implementations.
4345 * include/std/numeric: Include parallel algorithm implementations.
4346 * include/std/version: Add parallel algorithms feature test macro.
4347 * testsuite/util/pstl/pstl_test_config.h: New file.
4348 * testsuite/util/pstl/test_utils.h: New file.
4349 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4350 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4351 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4352 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4353 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4354 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4355 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4356 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4357 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4358 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4359 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4360 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4361 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4362 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4363 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4364 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4365 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4366 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4367 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4368 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4369 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4370 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4371 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4372 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4373 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4374 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4375 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4376 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4377 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4378 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4379 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4380 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4381 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4382 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4383 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4384 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4385 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4386 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4387 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4388 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4389 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4390 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4391 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4392 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4393 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4394 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4395 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4396 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4397 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4398 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4399 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4400 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4401 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4402 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4403 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4404 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4405 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4406 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4407 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4408 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4409 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4410 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4411 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4412 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4413 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4414 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4415 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4416 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4417 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4418 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4419 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4420 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4421 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4422 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4423 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4424 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4425 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4426 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4427 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4428 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4429 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4430 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4431 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4432 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4433 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4434 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4435 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4436 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4437 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4438 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4439 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4440 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4441 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4442 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4443 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4444 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4445 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4446 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4447 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4448 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4449 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4450 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4451 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4452 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4453 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4454 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4456 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
4458 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
4459 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
4460 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
4461 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
4462 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
4463 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
4464 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
4465 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
4466 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
4467 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
4468 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
4469 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
4470 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
4471 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
4472 when the special functions IS is enabled, not for C++17.
4473 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
4475 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
4476 without checks for special functions in C++17.
4477 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
4481 * include/backward/hash_map: Use <> for includes not "".
4482 * include/backward/hash_set: Likewise.
4483 * include/backward/strstream: Likewise.
4484 * include/tr1/bessel_function.tcc: Likewise.
4485 * include/tr1/exp_integral.tcc: Likewise.
4486 * include/tr1/legendre_function.tcc: Likewise.
4487 * include/tr1/modified_bessel_func.tcc: Likewise.
4488 * include/tr1/riemann_zeta.tcc: Likewise.
4490 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
4492 * doc/xml/manual/allocator.xml: Link to table documenting evolution
4493 of extension allocators.
4494 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
4495 Document new headers in 7.2, 8.1 and 9.1 releases.
4496 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
4497 * doc/html/*: Regenerate.
4499 2019-03-12 John David Anglin <dave.anglin@bell.net>
4502 * testsuite/lib/libstdc++.exp: Locate libatomic.
4503 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
4504 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
4506 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
4507 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
4508 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
4509 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
4511 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
4514 * configure.ac: Check for sockatmark.
4515 * crossconfig.m4: Check for sockatmark.
4516 * config.h.in: Regenerate.
4517 * configure: Regenerate.
4518 * include/experimental/internet (address_v4::_S_hton): Rename
4519 overloaded functions to _S_hton_16 and _S_ntoh_16.
4520 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
4521 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
4522 * include/experimental/socket (basic_socket::at_mark): Check
4523 _GLIBCXX_HAVE_SOCKATMARK.
4525 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
4526 const variables instead of macros.
4529 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
4530 Use correct type for len_aligned.
4531 * testsuite/20_util/hash/89629.cc: New test.
4533 2019-03-11 Jakub Jelinek <jakub@redhat.com>
4536 * include/std/atomic (atomic<T>::store, atomic<T>::load,
4537 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
4538 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
4539 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
4540 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
4541 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
4542 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
4543 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
4544 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
4545 memory_order_seq_cst to int.
4547 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
4549 * doc/xml/manual/using.xml: Use link element instead of xref.
4550 * doc/html/*: Regenerate.
4552 * include/bits/fs_path.h (path::format): Add fixed underlying type.
4554 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
4557 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
4558 parameters in deduction guides.
4559 * include/debug/multimap.h (multimap): Likewise.
4560 * include/debug/set.h (multimap): Likewise.
4561 * include/debug/multiset.h (multimap): Likewise.
4562 * include/debug/unordered_map (unordered_map): Likewise.
4563 (unordered_multimap): Likewise.
4564 * include/debug/unordered_set (unordered_set): Likewise.
4565 (unordered_multiset): Likewise.
4568 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
4569 Invalidate all iterators in case of rehash.
4570 (unordered_multimap<>::_M_check_rehashed): Likewise.
4571 * include/debug/unordered_set
4572 (unordered_set<>::_M_check_rehashed): Likewise.
4573 (unordered_multiset<>::_M_check_rehashed): Likewise.
4574 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
4576 2019-03-07 Andreas Schwab <schwab@suse.de>
4578 * config/abi/post/riscv64-linux-gnu: New directory.
4579 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
4581 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
4583 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
4584 compile test to run. Fix typo.
4586 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
4587 * doc/html/*: Regenerate.
4589 P0356R5 Simplified partial function application
4590 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
4591 helpers for bind_front.
4592 (bind_front, __cpp_lib_bind_front): Define.
4593 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
4595 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4597 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
4598 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
4599 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
4600 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
4602 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
4604 PR libstdc++/86655 - std::assoc_legendre should not constrain
4605 the value of m (or x).
4606 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
4607 __sph_legendre): If degree > order Don't throw, return 0.
4608 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
4609 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
4610 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
4611 * testsuite/tr1/5_numerical_facilities/special_functions/
4612 02_assoc_legendre/pr86655.cc: New test.
4613 * testsuite/tr1/5_numerical_facilities/special_functions/
4614 22_sph_legendre/pr86655.cc: New test.
4616 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
4619 Also PR libstdc++/85517
4620 * include/std/variant (__do_visit): New.
4621 (__variant_cast): Likewise.
4622 (__variant_cookie): Likewise.
4623 (__erased_*): Remove.
4624 (_Variant_storage::_S_vtable): Likewise.
4625 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
4626 (_Variant_storage::__M_reset): Adjust.
4627 (__variant_construct): New.
4628 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
4629 __variant_construct.
4630 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
4631 (_Move_ctor_base::__M_destructive_copy): New.
4632 (_Move_ctor_base::__M_destructive_move): Adjust to use
4633 __variant_construct.
4634 (_Copy_assign_base::operator=): Adjust to use __do_visit.
4635 (_Copy_assign_alias): Adjust to check both copy assignment
4636 and copy construction for triviality.
4637 (_Move_assign_base::operator=): Adjust to use __do_visit.
4638 (_Multi_array): Add support for visitors that accept and return
4640 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
4641 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
4642 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
4643 a __variant_cookie temporary for a variant that is valueless and..
4644 (__gen_vtable_impl::__visit_invoke): ..adjust here.
4645 (__gen_vtable::_Array_type): Conditionally make space for
4646 the __variant_cookie visitor case.
4647 (__variant_construct_by_index): New.
4648 (get_if): Adjust to use std::addressof.
4649 (relops): Adjust to use __do_visit.
4650 (variant): Add __variant_cast and __variant_construct_by_index
4652 (variant::emplace): Use _M_reset() and __variant_construct_by_index
4653 instead of self-destruction.
4654 (variant::swap): Adjust to use __do_visit.
4655 (visit): Reimplement in terms of __do_visit.
4656 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
4657 * testsuite/20_util/variant/compile.cc: Adjust.
4658 * testsuite/20_util/variant/run.cc: Likewise.
4660 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4662 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
4664 * testsuite/experimental/feat-char8_t.cc: Likewise.
4666 * include/std/type_traits [C++20] (is_bounded_array)
4667 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
4669 * testsuite/20_util/is_bounded_array/requirements/
4670 explicit_instantiation.cc: New test.
4671 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
4673 * testsuite/20_util/is_bounded_array/value.cc: New test.
4674 * testsuite/20_util/is_unbounded_array/requirements/
4675 explicit_instantiation.cc: New test.
4676 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
4678 * testsuite/20_util/is_unbounded_array/value.cc: New test.
4680 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
4682 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
4684 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
4686 * include/c_compatibility/math.h [C++20] (lerp): Add using
4688 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
4689 (__lerp): Define function template to implement lerp.
4690 (lerp(float, float, float), lerp(double, double, double))
4691 (lerp(long double, long double, long double)): Define for C++20.
4692 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
4693 (midpoint(T, T), midpoint(T*, T*)): Define.
4694 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
4695 * testsuite/26_numerics/lerp.cc: New test.
4696 * testsuite/26_numerics/midpoint/floating.cc: New test.
4697 * testsuite/26_numerics/midpoint/integral.cc: New test.
4698 * testsuite/26_numerics/midpoint/pointer.cc: New test.
4700 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
4702 PR libstdc++/88996 Implement P0439R0
4703 Make std::memory_order a scoped enumeration.
4704 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
4705 add variables for the old enumerators. Adjust calls.
4706 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
4707 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
4709 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
4711 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
4714 * include/std/memory_resource (polymorphic_allocator): Add default
4715 template argument for C++20.
4716 (polymorphic_allocator::allocate_bytes)
4717 (polymorphic_allocator::deallocate_bytes)
4718 (polymorphic_allocator::allocate_object)
4719 (polymorphic_allocator::deallocate_object)
4720 (polymorphic_allocator::new_object)
4721 (polymorphic_allocator::delete_object): New member functions for
4723 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
4726 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
4729 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
4732 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
4734 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
4735 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
4737 * include/std/memory (uses_allocator_construction_args): New set of
4738 overloaded functions.
4739 (make_obj_using_allocator, uninitialized_construct_using_allocator):
4741 * include/std/memory_resource (polymorphic_allocator::construct)
4742 [__cplusplus > 201703l]: Replace all overloads with a single function
4743 using uses_allocator_construction_args.
4744 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
4746 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
4748 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
4751 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
4752 stylesheet directories before check for xsltproc. Try to use
4753 xmlcatalog to find local stylesheet directory before trying hardcoded
4754 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
4755 check to look for the same stylesheet as doc/Makefile.am uses. Don't
4756 use xsltproc if xmlcatalog fails to find a local stylesheet.
4757 * configure.ac: Check for xmlcatalog.
4758 * Makefile.in: Regenerate.
4759 * configure: Likewise.
4760 * doc/Makefile.in: Likewise.
4761 * include/Makefile.in: Likewise.
4762 * libsupc++/Makefile.in: Likewise.
4763 * po/Makefile.in: Likewise.
4764 * python/Makefile.in: Likewise.
4765 * src/Makefile.in: Likewise.
4766 * src/c++11/Makefile.in: Likewise.
4767 * src/c++17/Makefile.in: Likewise.
4768 * src/c++98/Makefile.in: Likewise.
4769 * src/filesystem/Makefile.in: Likewise.
4770 * testsuite/Makefile.in: Likewise.
4772 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
4775 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
4776 container deduction guides.
4777 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
4778 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
4779 parameters in deduction guides.
4780 * include/bits/stl_multimap.h (multimap): Likewise.
4781 * include/bits/stl_multiset.h (multiset): Likewise.
4782 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
4783 * include/bits/stl_set.h (set): Likewise.
4784 * include/bits/stl_stack.h (stack): Likewise.
4785 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
4786 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
4787 constrain parameters in deduction guides.
4788 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
4790 * testsuite/23_containers/map/cons/deduction.cc: Test additional
4792 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
4793 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
4794 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
4795 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
4797 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
4799 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
4802 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
4803 to class template and partial specialization using void_t.
4804 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4806 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
4809 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
4810 copy and move members public.
4812 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
4814 * include/std/type_traits (__underlying_type_impl): New helper to
4815 make underlying_type SFINAE-friendly.
4816 (underlying_type): Derive from __underlying_type_impl.
4817 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
4821 * include/bits/char_traits.h (__constant_char_array): Check index is
4822 in range before dereferencing.
4823 (char_traits<char>::compare, char_traits<char>::find)
4824 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
4825 immediately if n is zero.
4826 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
4827 Remove workarounds for PR 67026.
4828 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
4830 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
4833 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4835 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
4836 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
4838 2019-02-22 Jakub Jelinek <jakub@redhat.com>
4841 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
4842 type to std::size_t and argument to type to long double.
4844 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4846 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
4847 * config/abi/post/sparc64-linux-gnu: New directory.
4848 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
4849 * config/abi/post/sparc64-linux-gnu/32: New directory.
4850 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
4852 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4854 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
4855 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
4858 2019-02-22 Tom Honermann <tom@honermann.net>
4860 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
4861 printers for u8string and u8string_view.
4863 2019-02-22 Tom Honermann <tom@honermann.net>
4865 * testsuite/18_support/byte/ops.cc: Validate
4866 std::to_integer<char8_t>, std::to_integer<char16_t>, and
4867 std::to_integer<char32_t>.
4868 * testsuite/18_support/numeric_limits/dr559.cc: Validate
4869 std::numeric_limits<char8_t>.
4870 * testsuite/18_support/numeric_limits/lowest.cc: Validate
4871 std::numeric_limits<char8_t>::lowest().
4872 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
4873 std::numeric_limits<char8_t>::max_digits10.
4874 * testsuite/18_support/type_info/fundamental.cc: Validate
4875 typeinfo for char8_t.
4876 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
4877 std::from_chars with char8_t.
4878 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
4879 Validate explicit instantiation of std::hash<char8_t>.
4880 * testsuite/20_util/is_integral/value.cc: Validate
4881 std::is_integral<char8_t>.
4882 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
4883 Validate std::make_signed<char8_t>.
4884 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
4885 Validate u8string construction from char8_t sources.
4886 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
4888 * testsuite/21_strings/basic_string_view/operations/compare/
4889 char/70483.cc: Validate substr operations on u8string_view.
4890 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
4891 the u8string_view typedef is defined.
4892 * testsuite/21_strings/char_traits/requirements/
4893 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
4895 * testsuite/21_strings/char_traits/requirements/
4896 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
4897 constexpr member functions.
4898 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
4899 that the u8string typedef is defined.
4900 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
4901 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
4902 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
4903 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
4905 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
4906 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
4908 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
4909 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
4910 Validate std::atomic<char8_t>::is_always_lock_free
4911 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
4912 Update line numbers.
4913 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
4915 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
4917 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
4918 Validate std::experimental::pmr::u8string.
4919 * testsuite/experimental/string_view/typedefs.cc: Validate that the
4920 u8string_view typedef is defined.
4921 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
4922 char32_t to the typelists.
4924 2019-02-22 Tom Honermann <tom@honermann.net>
4926 * include/ext/typelist.h: Constrain a partial specialization of
4927 typelist::detail::append_ to only match chain<T1,T2>.
4929 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4932 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
4933 class template with class. Replace move and copy member types with
4934 member alias templates, so they are only instantiated when needed.
4935 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4936 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
4937 test for C++11/14/17 as well.
4938 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
4941 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4944 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
4945 _GLIBCXX_PURE to the alias declaration.
4947 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
4949 * testsuite/21_strings/basic_string/literals/types.cc
4950 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
4951 * testsuite/21_strings/basic_string/literals/values.cc
4952 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4953 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
4954 potentially having different type.
4955 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
4956 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
4958 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
4959 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
4960 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
4961 string literals only using basic character set.
4962 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
4963 u8 literals to char.
4964 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
4965 Test ATOMIC_CHAR8_T_LOCK_FREE.
4966 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
4967 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
4968 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
4969 * testsuite/experimental/string_view/literals/types.cc
4970 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
4972 * testsuite/experimental/string_view/literals/values.cc
4973 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4975 2019-02-19 Tom Honermann <tom@honermann.net>
4977 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
4978 from char16_32_t.cc; validates numeric_limits<char8_t>.
4979 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
4980 test cloned from types.cc; validates operator""s for char8_t
4982 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
4983 test cloned from values.cc; validates construction and comparison
4985 * testsuite/21_strings/basic_string/requirements/
4986 /explicit_instantiation/char8_t/1.cc: New test cloned from
4987 char16_t/1.cc; validates explicit instantiation of
4988 basic_string<char8_t>.
4989 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
4990 New test cloned from types.cc; validates operator""sv for char8_t
4991 returns u8string_view.
4992 * testsuite/21_strings/basic_string_view/literals/
4993 values-char8_t.cc: New test cloned from values.cc; validates
4994 construction and comparison of u8string_view values.
4995 * testsuite/21_strings/basic_string_view/requirements/
4996 explicit_instantiation/char8_t/1.cc: New test cloned from
4997 char16_t/1.cc; validates explicit instantiation of
4998 basic_string_view<char8_t>.
4999 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
5000 New test cloned from char16_t/65049.cc; validates that
5001 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
5002 * testsuite/21_strings/char_traits/requirements/char8_t/
5003 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
5004 that char_traits<char8_t> member typedefs are present and correct.
5005 * testsuite/21_strings/char_traits/requirements/
5006 explicit_instantiation/char8_t/1.cc: New test cloned from
5007 char16_t/1.cc; validates explicit instantiation of
5008 char_traits<char8_t>.
5009 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
5010 from char16_t.cc: validates
5011 codecvt<char16_t, char8_t, mbstate_t>.
5012 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
5013 from char32_t.cc: validates
5014 codecvt<char32_t, char8_t, mbstate_t>.
5015 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
5016 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
5017 codecvt<char32_t, char8_t, std::mbstate_t>.
5018 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
5019 test cloned from string.cc; validates filesystem::path construction
5021 * testsuite/experimental/feat-char8_t.cc: New test; validates that
5022 the __cpp_lib_char8_t feature test macro is defined with the
5024 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
5025 New test cloned from string.cc; validates filesystem::path
5026 construction from char8_t input.
5027 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
5028 test cloned from types.cc; validates operator""sv for char8_t
5029 returns u8string_view.
5030 * testsuite/experimental/string_view/literals/values-char8_t.cc:
5031 New test cloned from values.cc; validates construction and
5032 comparison of u8string_view values.
5033 * testsuite/experimental/string_view/requirements/
5034 explicit_instantiation/char8_t/1.cc: New test cloned from
5035 char16_t/1.cc; validates explicit instantiation of
5036 basic_string_view<char8_t>.
5037 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
5038 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
5041 2019-02-19 Tom Honermann <tom@honermann.net>
5043 P0482R5 char8_t: Standard library support
5044 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
5045 typeinfo symbols for char8_t.
5046 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
5047 (GLIBCXX_3.4.26): Add symbols for specializations of
5048 numeric_limits and codecvt that involve char8_t.
5049 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
5050 * include/bits/atomic_base.h: Add atomic_char8_t.
5051 * include/bits/basic_string.h: Add std::hash<u8string> and
5052 operator""s(const char8_t*, size_t).
5053 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
5055 * include/bits/char_traits.h: Add char_traits<char8_t>.
5056 * include/bits/codecvt.h: Add
5057 codecvt<char16_t, char8_t, mbstate_t>,
5058 codecvt<char32_t, char8_t, mbstate_t>,
5059 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5060 codecvt_byname<char32_t, char8_t, mbstate_t>.
5061 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
5062 recognize char8_t as an integral type.
5063 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
5065 (path::u8string): Return std::u8string when char8_t support is
5067 (path::generic_u8string): Likewise.
5068 (path::_S_convert): Handle conversion from char8_t input.
5069 (path::_S_str_convert): Likewise.
5070 * include/bits/functional_hash.h: Add hash<char8_t>.
5071 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
5073 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
5074 for new char8_t specializations.
5075 * include/bits/localefwd.h: Add missing declarations of
5076 codecvt<char16_t, char, mbstate_t> and
5077 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
5078 codecvt<char16_t, char8_t, mbstate_t> and
5079 codecvt<char32_t, char8_t, mbstate_t>.
5080 * include/bits/postypes.h: Add u8streampos
5081 * include/bits/stringfwd.h: Add declarations of
5082 char_traits<char8_t> and u8string.
5083 * include/c_global/cstddef: Add __byte_operand<char8_t>.
5084 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
5086 (path::u8string): Return std::u8string when char8_t support is
5088 (path::generic_u8string): Likewise.
5089 (path::_S_convert): Handle conversion from char8_t input.
5090 (path::_S_str_convert): Likewise.
5091 * include/experimental/string: Add u8string.
5092 * include/experimental/string_view: Add u8string_view,
5093 hash<experimental::u8string_view>, and
5094 operator""sv(const char8_t*, size_t).
5095 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
5096 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
5097 as a character type.
5098 * include/std/limits: Add numeric_limits<char8_t>.
5099 * include/std/string_view: Add u8string_view,
5100 hash<experimental::u8string_view>, and
5101 operator""sv(const char8_t*, size_t).
5102 * include/std/type_traits: Add __is_integral_helper<char8_t>,
5103 __make_unsigned<char8_t>, and __make_signed<char8_t>.
5104 * libsupc++/atomic_lockfree_defines.h: Define
5105 ATOMIC_CHAR8_T_LOCK_FREE.
5106 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
5107 codecvt.cc and limits.cc so that char8_t specializations of
5108 numeric_limits and codecvt and emitted.
5109 * src/c++11/Makefile.in: Likewise.
5110 * src/c++11/codecvt.cc: Define members of
5111 codecvt<char16_t, char8_t, mbstate_t>,
5112 codecvt<char32_t, char8_t, mbstate_t>,
5113 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5114 codecvt_byname<char32_t, char8_t, mbstate_t>.
5115 * src/c++11/limits.cc: Define members of
5116 numeric_limits<char8_t>.
5117 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
5118 locale_init.cc and localename.cc.
5119 * src/c++98/Makefile.in: Likewise.
5120 * src/c++98/locale_init.cc: Add initialization for the
5121 codecvt<char16_t, char8_t, mbstate_t> and
5122 codecvt<char32_t, char8_t, mbstate_t> facets.
5123 * src/c++98/localename.cc: Likewise.
5124 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
5126 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
5128 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
5129 * 27_io/filesystem/operations/resize_file.cc: Likewise.
5130 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
5132 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
5134 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
5135 * doc/html/*: Regenerate.
5137 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
5138 * doc/html/*: Regenerate.
5140 * doc/xml/manual/intro.xml: Document LWG 2586 status.
5141 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
5142 allocator type in is_constructible checks.
5143 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
5144 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
5145 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
5146 problematic type from LWG 2586 discussion.
5147 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
5148 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
5150 * configure.ac: Check for C11 timespec_get function.
5151 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
5153 * config.h.in: Regenerate.
5154 * configure: Regenerate.
5155 * include/c_global/ctime (timespec, timespec_get): Add to namespace
5156 std for C++17 and up.
5158 * doc/xml/manual/intro.xml: Document LWG 2537 status.
5159 * include/bits/stl_queue.h
5160 (priority_queue(const Compare&, const Container&, const Alloc&))
5161 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
5163 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
5165 * doc/xml/manual/intro.xml: Document LWG 2566 status.
5166 * include/bits/stl_queue.h (queue, priority_queue): Add static
5167 assertions to enforce LWG 2566 requirement on value_type.
5168 * include/bits/stl_stack.h (stack): Likewise.
5171 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
5173 * doc/xml/manual/intro.xml: Document LWG 2735 status.
5174 * include/bits/std_abs.h: Add comment about LWG 2735.
5175 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
5177 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
5180 * include/std/version [__cpp_impl_destroying_delete]
5181 (__cpp_lib_destroying_delete): Only define for C++2a and later.
5182 * libsupc++/new [__cpp_impl_destroying_delete]
5183 (__cpp_lib_destroying_delete): Likewise.
5184 (destroying_delete_t, destroying_delete): Likewise, but define even
5185 when __cpp_impl_destroying_delete is not defined.
5186 * testsuite/18_support/destroying_delete.cc: New test.
5188 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
5191 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
5192 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
5193 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
5194 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
5196 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
5199 * include/bits/fs_path.h (path::has_root_name)
5200 (path::has_root_directory, path::has_root_path)
5201 (path::has_relative_path, path::has_parent_path)
5202 (path::has_filename, path::has_stem, path::has_extension)
5203 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
5205 * src/c++17/fs_path.cc (path::has_root_name)
5206 (path::has_root_directory, path::has_root_path)
5207 (path::has_relative_path, path::has_parent_path)
5208 (path::has_filename, path::_M_find_extension): Add noexcept.
5210 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
5212 PR libstdc++/89102 (partial)
5213 * include/std/type_traits (common_type<>): Define.
5214 (common_type<T>): Derive from common_type<T, T>.
5215 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
5216 Test zero-length template argument list.
5217 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
5218 Test additional single argument cases.
5219 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
5220 Adjust expected error.
5222 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
5225 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
5227 * include/bits/stl_stack.h (stack): Likewise.
5228 * testsuite/23_containers/priority_queue/deduction.cc: New test.
5229 * testsuite/23_containers/queue/deduction.cc: New test.
5230 * testsuite/23_containers/stack/deduction.cc: New test.
5233 * include/std/type_traits (__is_convertible_helper)
5234 (__is_convertible_helper<_From, _To, false>): Revert changes to
5235 support is_nothrow_convertible.
5236 (__is_nt_convertible_helper): New helper.
5237 (is_nothrow_convertible): Use __is_nt_convertible_helper.
5239 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
5240 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
5243 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
5244 __is_alloc_insertable_impl. Replace single type member with two
5245 members, one for each of copy and move insertable.
5246 (__is_move_insertable): New trait for internal use.
5247 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
5248 (vector::_S_nothrow_relocate(true_type)): New functions to
5249 conditionally check if __relocate_a can throw.
5250 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
5251 on __is_move_insertable.
5252 (vector::_S_do_relocate): New overloaded functions to conditionally
5254 (vector::_S_relocate): New function that dispatches to _S_do_relocate
5255 based on _S_use_relocate.
5256 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5257 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
5258 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
5261 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
5262 parameter unnamed. Add message to static assertion.
5263 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5264 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
5267 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
5270 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
5272 (__is_bitwise_relocatable): ... to this.
5273 (__relocate_a_1): Adapt.
5274 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
5275 (__is_bitwise_relocatable): ... to this.
5277 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
5280 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
5281 final component as well as from _M_pathname. Append the dot using
5282 operator+= instead of only to _M_pathname.
5283 (path::_M_find_extension): Reformat slightly.
5284 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5285 Add more test cases.
5287 2019-01-30 Ulrich Drepper <drepper@redhat.com>
5289 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
5291 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
5293 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
5294 constexpr specifiers from arg and proj.
5296 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
5297 __shared_ptr instantiations used by gcc4-compatible ABI.
5299 * include/experimental/forward_list (experimental::erase): Qualify
5301 * include/experimental/list (experimental::erase): Likewise.
5302 * include/std/forward_list (std::erase): Likewise.
5303 * include/std/list (std::erase): Likewise.
5305 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
5307 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
5308 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
5309 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
5310 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
5311 * testsuite/ext/array_allocator/26875.cc: Likewise.
5312 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
5313 * testsuite/util/replacement_memory_operators.h: Likewise.
5314 * testsuite/util/testsuite_allocator.h: Likewise.
5316 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
5317 normal mode vector, even for debug mode.
5318 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
5319 Define alias template for normal mode vector.
5321 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
5324 * config/locale/generic/c_locale.h (__convert_from_v)
5325 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5326 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5327 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
5328 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5330 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
5333 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
5334 data member with static member function _S_use_relocate().
5335 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5336 (vector::_M_default_append): Use _S_use_relocate() instead of
5339 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
5342 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
5345 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
5346 write to stderr instead of using printf.
5348 2019-01-21 Jakub Jelinek <jakub@redhat.com>
5351 * include/bits/char_traits.h (__constant_string_p,
5352 __constant_char_array_p): Use __builtin_is_constant_evaluated if
5355 2019-01-20 Ulrich Drepper <drepper@redhat.com>
5357 Implement C++20 P0600r1.
5358 * include/backward/hash_map: Add nodiscard attribute to empty.
5359 * include/backward/hash_set: Likewise.
5360 * backward/hashtable.h: Likewise.
5361 * include/bits/basic_string.h: Likewise.
5362 * include/bits/forward_list.h: Likewise.
5363 * include/bits/hashtable.h: Likewise.
5364 * include/bits/regex.h: Likewise.
5365 * include/bits/stl_deque.h: Likewise.
5366 * include/bits/stl_list.h: Likewise.
5367 * include/bits/stl_map.h: Likewise.
5368 * include/bits/stl_multimap.h: Likewise.
5369 * include/bits/stl_multiset.h: Likewise.
5370 * include/bits/stl_queue.h: Likewise.
5371 * include/bits/stl_set.h: Likewise.
5372 * include/bits/stl_stack.h: Likewise.
5373 * include/bits/stl_tree.h: Likewise.
5374 * include/bits/stl_vector.h: Likewise.
5375 * include/bits/unordered_map.h: Likewise.
5376 * include/bits/unordered_set.h: Likewise.
5377 * include/debug/array: Likewise.
5378 * include/experimental/any: Likewise.
5379 * include/experimental/bits/fs_path.h: Likewise.
5380 * include/experimental/internet: Likewise.
5381 * include/experimental/string_view: Likewise.
5382 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
5384 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
5386 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
5388 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
5390 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
5392 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
5394 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
5396 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
5398 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5399 info_fn_imps.hpp: Likewise.
5400 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5401 left_child_next_sibling_heap_.hpp: Likewise.
5402 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
5404 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
5406 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
5408 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
5410 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
5412 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
5414 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
5416 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
5417 * include/ext/pb_ds/trie_policy.hpp: Likewise.
5418 * include/ext/rope: Likewise.
5419 * include/ext/slist: Likewise.
5420 * include/ext/vstring.h: Likewise.
5421 * include/profile/array: Likewise.
5422 * include/std/array: Likewise.
5423 * include/tr1/array: Likewise.
5424 * include/tr1/hashtable.h: Likewise.
5425 * include/tr1/regex: Likewise.
5426 * include/tr2/dynamic_bitset: Likewise.
5427 * include/bits/alloc_traits.h: Add nodiscard attribute to
5429 * include/experimental/memory_resource: Likewise.
5430 * include/ext/alloc_traits.h: Likewise.
5431 * include/ext/array_allocator.h: Likewise.
5432 * include/ext/bitmap_allocator.h: Likewise.
5433 * include/ext/debug_allocator.h: Likewise.
5434 * include/ext/extptr_allocator.h: Likewise.
5435 * include/ext/mt_allocator.h: Likewise.
5436 * include/ext/new_allocator.h: Likewise.
5437 * include/ext/pool_allocator.h: Likewise.
5438 * include/ext/throw_allocator.h: Likewise.
5439 * include/std/scoped_allocator: Likewise.
5440 * libsupc++/eh_alloc.cc: Likewise.
5441 * include/std/future: Add nodiscard attribute to async.
5442 * libsupc++/new: Add nodiscard attribute to new.
5444 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
5449 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
5450 * include/bits/shared_ptr.h
5451 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
5452 (allocate_shared): Change to use new tag type.
5453 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
5454 Declare new member function.
5455 (_Sp_alloc_shared_tag): Define new type.
5456 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
5457 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
5458 _Sp_make_shared_tag::_S_eq to check type_info.
5459 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
5460 Constrain to prevent being called with _Sp_alloc_shared_tag.
5461 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
5462 Replace constructor with ...
5463 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
5464 reference parameter so address of the new object can be returned to
5465 the caller. Obtain the allocator from the tag type.
5466 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
5467 constructor with ...
5468 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
5469 to the __shared_count constructor.
5470 (__allocate_shared): Change to use new tag type.
5471 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
5473 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
5475 * src/c++17/fs_ops.cc
5476 (equivalent(const path&, const path&, error_code&))
5477 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
5478 compare files instead of relying on incomplete info returned by stat.
5481 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
5482 if the path is already absolute.
5483 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
5484 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
5487 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
5488 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
5489 of filesystem::exists.
5490 (create_directories(const path&, error_code&)): Add assertions.
5491 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
5492 Add workaround for bug in _wstat for paths with trailing slash.
5493 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
5494 for expected behaviour on mingw.
5495 * testsuite/experimental/filesystem/operations/create_directories.cc:
5497 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
5498 "TMP" instead of "TMPDIR" and clean environment before each test. Do
5499 not test permissions on mingw targets.
5501 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
5503 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
5504 constructors and open members taking wide strings. Fix patterns for
5505 filesystem::path members to match wstring_view parameters. Add
5506 exports for shared_ptr members used by directory iterators.
5507 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
5508 error code parameter if the file doesn't exist.
5509 * src/filesystem/ops.cc (remove(const path&, error_code&)):
5511 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
5512 values for mingw targets, where "/" is not an absolute path. Do not
5513 test symlinks on mingw targets.
5514 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5515 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
5517 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5518 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
5519 that each component of the path is created.
5520 * testsuite/experimental/filesystem/operations/create_directories.cc:
5522 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
5523 permissions on mingw targets.
5524 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5525 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5526 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5527 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
5529 * testsuite/experimental/filesystem/operations/permissions.cc:
5531 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
5532 symlinks or permissions on mingw targets.
5533 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5534 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
5535 symlinks on mingw targets.
5536 * testsuite/experimental/filesystem/operations/remove_all.cc:
5538 * testsuite/27_io/filesystem/operations/status.cc: Do not test
5539 permissions on mingw targets.
5540 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
5541 test symlinks on mingw targets.
5542 * testsuite/experimental/filesystem/operations/space.cc: Fix test
5545 2019-02-14 Ulrich Drepper <drepper@redhat.com>
5548 Warn about unused comparisons of shared_ptr/unique_ptr
5549 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
5550 * include/bits/shared_ptr.h: Use it for operator ==, !=,
5551 <, <=, >, >= for shared_ptr.
5552 * include/bits/unique_ptr.h: Likewise for unique_ptr.
5554 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
5556 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
5557 as 201611L, because P0497R0 changes are supported.
5558 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
5560 * include/bits/erase_if.h [__cplusplus > 201703L]
5561 (__cpp_lib_erase_if): Only define for C++2a.
5562 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5563 (__cpp_lib_null_iterators): Define.
5564 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5565 (__cpp_lib_null_iterators): Define.
5566 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
5568 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
5570 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
5572 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
5573 changes are supported.
5574 * include/std/optional (__cpp_lib_optional): Likewise.
5575 * include/std/variant (__cpp_lib_variant): Likewise.
5576 * include/std/version [!__STRICT_ANSI__]
5577 (__cpp_lib_uncaught_exceptions): Define as long integer.
5578 [__cplusplus >= 201703L] (__cpp_lib_any)
5579 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
5580 (__cpp_lib_variant): Define for C++17.
5581 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
5583 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
5586 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
5588 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
5592 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
5594 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
5597 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5599 * doc/xml/manual/intro.xml: Include new section.
5600 * doc/xml/manual/status_cxx2017.xml: Document more
5601 implementation-defined properties of the library.
5602 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
5603 * doc/html/*: Regenerate.
5605 * include/bits/refwrap.h [__cplusplus > 201703L]
5606 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
5607 (_Reference_wrapper_base_memfun): Do not define for C++2a.
5608 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
5610 (reference_wrapper::operator()): Add static assertion.
5611 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
5613 * include/std/chrono (duration_values::zero(), duration_values::min())
5614 (duration_values::max()): Add noexcept.
5615 (duration::zero(), duration::min(), duration::max()): Likewise.
5616 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
5617 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
5618 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
5620 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
5622 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5624 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
5625 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
5627 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5630 * include/bits/functional_hash.h (hash<nullptr_t>): Define
5631 specialization for C++17 (P0513R0, LWG 2817).
5632 * testsuite/20_util/hash/nullptr.cc: New test.
5635 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
5636 pattern for std::basic_stringbuf::str().
5638 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
5639 basic_ostream::operator<< patterns.
5641 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5643 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
5644 test failures on targets with 32-bit time_t.
5646 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
5647 * include/std/deque: Likewise.
5648 * include/std/forward_list: Likewise.
5649 * include/std/list: Likewise.
5650 * include/std/string: Likewise.
5651 * include/std/vector: Likewise.
5652 * include/std/version: Likewise.
5653 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
5654 * testsuite/23_containers/deque/erasure.cc: Likewise.
5655 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
5656 * testsuite/23_containers/list/erasure.cc: Likewise.
5657 * testsuite/23_containers/map/erasure.cc: Likewise.
5658 * testsuite/23_containers/set/erasure.cc: Likewise.
5659 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
5660 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
5661 * testsuite/23_containers/vector/erasure.cc: Likewise.
5663 * include/experimental/internet [AI_NUMERICSERV]
5664 (resolver_base::numeric_service): Define conditionally.
5665 * testsuite/experimental/net/internet/resolver/base.cc: Test it
5667 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
5670 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
5671 Jonathan Wakely <jwakely@redhat.com>
5674 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
5675 (GLIBCXX_3.4.26): Add new exports.
5676 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
5677 correct list of sources.
5678 * include/Makefile.in: Regenerate.
5679 * include/std/ostream (operator<<(nullptr_t)): New member function.
5680 * src/c++17/ostream-inst.cc: New file.
5681 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
5684 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5686 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
5687 of the source file containing the caller.
5688 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
5689 directories created by test.
5690 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5692 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5694 * testsuite/experimental/filesystem/iterators/
5695 recursive_directory_iterator.cc: Likewise.
5697 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5699 PR tree-optimization/88775
5700 * include/bits/stl_function.h (greater<_Tp*>::operator(),
5701 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
5702 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
5703 instead of __builtin_constant_p if available. Don't bother with
5704 the pointer comparison in C++11 and earlier.
5706 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5710 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
5713 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
5715 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
5716 for filesystem::path. Give variables more distinctive names.
5718 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
5719 member function to perform non-trivial assignment.
5720 (_Optional_payload_base::_M_move_assign): Likewise.
5721 (_Optional_payload<T, true, false, true>::operator=)
5722 (_Optional_payload<T, true, true, false>::operator=)
5723 (_Optional_payload<T, true, false, false>::operator=): Call
5724 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
5727 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
5728 test std::complex<long double> if long double format is IBM128.
5729 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
5732 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5734 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
5735 for old std::unique_ptr layout.
5736 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
5737 to become valueless. Add filesystem::path tests.
5740 * include/std/optional (_Optional_payload_base): New class template
5741 for common code hoisted from _Optional_payload specializations. Use
5742 a template for the union, to allow a partial specialization for
5743 types with non-trivial destructors. Add constructors for in-place
5744 initialization to the union.
5745 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
5746 to perform non-trivial copy construction, instead of relying on
5747 non-standard copy elision in a delegating constructor.
5748 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
5749 non-trivial move construction.
5750 (_Optional_payload): Derive from _Optional_payload_base and use it
5751 for everything except the non-trivial assignment operators, which are
5753 (_Optional_payload<false, C, M>): Derive from the specialization
5754 _Optional_payload<true, false, false> and add a destructor.
5755 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
5756 Forward to corresponding members of _Optional_payload.
5757 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
5758 Hoist common members from _Optional_base.
5759 (_Optional_base): Make all members and base class public.
5760 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
5761 _Optional_base_impl.
5762 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
5763 support for new std::optional layout.
5764 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
5767 * include/bits/locale_conv.h: Use <> for includes not "".
5768 * include/ext/random: Likewise.
5769 * include/ext/vstring.h: Likewise.
5771 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5773 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
5774 (GLIBCXX_3.4.21): Likewise.
5776 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5779 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
5780 to match the one that controls whether utimbuf and utime are declared.
5782 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
5785 * include/bits/char_traits.h (char_traits::move): Do not pass null
5786 pointers to memmove.
5787 * include/bits/locale_facets.h
5788 (ctype<char>::widen(const char*, const char*, char*)): Do not
5789 pass null pointers to memcpy.
5790 (ctype<char>::narrow(const char*, const char*, char, char*)):
5792 (ctype<char>::do_widen(const char*, const char*, char*)):
5794 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
5797 * doc/xml/manual/spine.xml: Update copyright years.
5798 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
5799 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
5800 for C++17 filesystem library.
5801 * doc/html/*: Regenerate.
5803 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
5804 * config.h.in: Regenerate.
5805 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
5806 alphabetically and add missing entries for copy_symlink,
5807 hard_link_count, rename, and resize_file.
5808 * configure: Regenerate.
5809 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
5810 used unconditionally.
5811 * src/filesystem/ops-common.h (__gnu_posix::truncate)
5812 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
5813 supports truncating to zero length.
5814 * testsuite/27_io/filesystem/operations/all.cc: New test.
5815 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
5817 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
5820 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
5821 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
5822 * config.h.in: Regenerate.
5823 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
5824 remaining std::filesystem types and functions.
5825 * configure: Regenerate.
5826 * src/c++17/Makefile.am: Add C++17 filesystem sources.
5827 * src/c++17/Makefile.in: Regenerate.
5828 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
5829 here, and change name of included file.
5830 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
5831 here, and change name of included file.
5832 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
5833 path to dir-common.h.
5834 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
5835 path to ops-common.h. Disable -Wunused-parameter warnings.
5836 (internal_file_clock): Define unconditionally.
5837 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
5839 (do_copy_file, do_space): Move definitions to ops.common.h.
5840 (copy, file_size, hard_link_count, last_write_time, space): Only
5841 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
5843 (last_write_time, read_symlink): Remove unused attributes from
5845 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
5846 * src/filesystem/Makefile.in: Regenerate.
5847 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
5848 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
5849 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
5850 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
5851 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
5852 dummy types and functions instead of using #error.
5853 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
5854 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
5856 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
5857 (do_copy_file, do_space): Move definitions here from std-ops.cc.
5858 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
5859 to account for new namespace.
5860 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
5861 -lstdc++fs from dg-options.
5862 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
5863 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
5864 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
5865 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
5866 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
5868 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
5869 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5871 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
5872 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
5873 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
5874 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
5875 * testsuite/27_io/filesystem/operations/create_directories.cc:
5877 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
5878 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
5879 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
5880 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
5881 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
5882 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
5883 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5884 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
5885 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
5886 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
5887 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
5888 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
5889 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
5890 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
5891 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
5892 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
5893 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
5894 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
5896 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
5900 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
5901 typeinfo and vtables less greedy.
5902 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
5903 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
5904 * src/c++17/Makefile.in: Regenerate.
5905 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
5906 here, and change name of included file.
5907 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
5908 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
5910 * src/filesystem/Makefile.in: Regenerate.
5911 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
5912 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
5913 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
5914 from dg-options and remove dg-require-filesystem-ts.
5915 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
5916 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
5917 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
5918 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
5919 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
5920 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
5921 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
5922 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
5923 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
5924 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
5925 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
5926 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
5927 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
5928 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
5929 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
5930 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
5931 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
5932 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
5933 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
5934 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
5935 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
5937 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
5938 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
5939 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
5940 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
5941 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
5942 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
5943 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
5944 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
5945 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
5946 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
5947 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
5948 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
5950 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
5952 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5954 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
5956 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
5957 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
5958 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
5959 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
5960 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
5961 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
5962 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
5963 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
5964 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
5965 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
5967 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
5968 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
5969 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
5970 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
5971 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
5974 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
5975 Check is_trivially_copyable instead of is_scalar.
5976 (variant::emplace<N, Args>(Args&&...)): If construction of the new
5977 contained value can throw and its type is trivially copyable then
5978 construct into a temporary variant and move from it, to provide the
5979 strong exception safety guarantee.
5980 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
5982 * testsuite/20_util/variant/87431.cc: New test.
5983 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
5984 conversion causes valueless state.
5987 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
5988 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
5989 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
5990 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
5991 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
5993 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
5995 * include/bits/fs_fwd.h (__file_clock): Define new clock.
5996 (file_time_type): Redefine in terms of __file_clock.
5997 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
5999 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
6001 (internal_file_lock): New helper type for accessing __file_clock.
6002 (do_copy_file): Use internal_file_lock to convert system time to
6004 (last_write_time(const path&, error_code&)): Likewise.
6005 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
6007 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
6009 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
6010 for const member functions of std::basic_string.
6011 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
6013 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
6014 Make non-standard constructor private.
6015 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
6017 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
6018 explicit instantiations for C++17 as well as earlier dialects.
6019 * src/c++17/Makefile.am: Add new source files.
6020 * src/c++17/Makefile.in: Regenerate.
6021 * src/c++17/cow-string-inst.cc: New file defining explicit
6022 instantiations for basic_string member functions added in C++17.
6023 * src/c++17/string-inst.cc: Likewise.
6025 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
6026 copy/move constructors for old std::basic_string.
6027 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
6028 (basic_string::reference, basic_string::const_reference): Define
6029 as plain references for C++11 and later.
6030 (basic_string::basic_string()): Put constructor body outside
6031 preprocessor conditional groups.
6032 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
6033 instead of copying it.
6034 (basic_string::basic_string(const basic_string&, const _Alloc&)):
6036 (basic_string::basic_string(basic_string&&, const _Alloc&)):
6038 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
6039 cases for old basic_string.
6040 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
6041 allocator-extended constructors unconditionally. Add extra members to
6042 allocator type when using old string ABI.
6043 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
6045 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
6047 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
6048 -fno-inline added to test flags.
6050 * testsuite/21_strings/basic_string/requirements/
6051 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
6053 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
6054 assertion failures with old std::string ABI.
6056 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
6058 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
6059 functions that will only erase elements at the end.
6060 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
6061 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
6062 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
6064 (path::_List::pop_back()): Define.
6065 (path::_List::_M_erase_from(const_iterator)): Define.
6066 (path::operator/=(const path&)): Use pop_back to remove last component
6067 and _M_erase_from to remove multiple components.
6068 (path::_M_append(basic_string_view<value_type>)): Likewise.
6069 (path::operator+=(const path&)): Likewise.
6070 (path::_M_concat(basic_string_view<value_type>)): Likewise.
6071 (path::remove_filename()): Likewise.
6072 (path::lexically_normal()): Use _List::_Impl iterators instead of
6073 path::iterator. Use pop_back to remove components from the end. Clear
6074 trailing filename, instead of using erase(const_iterator) to remove
6075 a non-final component.
6076 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
6078 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
6080 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
6081 incorrect treatment of empty filename after trailing slash.
6082 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
6084 * testsuite/21_strings/basic_string/modifiers/assign/char/
6085 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
6087 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
6088 move_assign_optim.cc: Likewise.
6090 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6091 Jakub Jelinek <jakub@redhat.com>
6094 * include/experimental/memory: Replace UTF-8 quote characters.
6095 * include/std/future: Replace UTF-8 "em dash" characters.
6097 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6100 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
6101 * include/debug/forward_list: Likewise.
6102 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
6104 * include/experimental/chrono: Likewise.
6105 * include/experimental/functional: Likewise.
6106 * include/experimental/ratio: Likewise.
6107 * include/experimental/system_error: Likewise.
6108 * include/experimental/tuple: Likewise.
6109 * include/experimental/type_traits: Likewise.
6110 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
6111 * include/parallel/multiseq_selection.h: Likewise.
6114 * config/abi/pre/gnu.ver: Add missing exports.
6115 * testsuite/22_locale/collate_byname/88681.cc: New test.
6116 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
6117 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
6119 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
6121 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
6122 initializer_list<value_type> and from input iterator ranges.
6123 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
6125 * testsuite/experimental/string_view/element_access/char/empty.cc:
6126 Fix year range in copyright header.
6128 2019-01-02 Joel Brobecker <brobecker@adacore.com>
6130 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
6131 Fix year range in copyright header.
6133 2019-01-01 Jakub Jelinek <jakub@redhat.com>
6135 Update copyright years.
6137 Copyright (C) 2019 Free Software Foundation, Inc.
6139 Copying and distribution of this file, with or without modification,
6140 are permitted in any medium without royalty provided the copyright
6141 notice and this notice are preserved.