1 2019-10-25 Jonathan Wakely <jwakely@redhat.com>
3 * include/bits/range_cmp.h: Check __cpp_lib_concepts before defining
6 2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
8 * doc/xml/manual/policy_data_structures_biblio.xml: Switch
9 pubs.opengroup.org to https.
11 2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
13 * doc/xml/gnu/gpl-3.0.xml: Switch www.gnu.org to https.
15 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
17 * doc/xml/manual/status_cxx2020.xml: Add rows and update status.
19 2019-10-24 Jonathan Wakely <jwakely@redhat.com>
21 * include/bits/allocator.h (allocator<void>): Restore the explicit
22 specialization for C++20, but make its API consistent with the primary
24 (allocator::~allocator()): Restore the destructor for C++20, but make
26 * testsuite/20_util/allocator/rebind_c++20.cc: Check allocator<void>.
27 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc: Likewise.
28 * testsuite/20_util/allocator/void.cc: Check that constructors and
29 destructors are trivial. Check for converting constructor in C++20.
30 * testsuite/ext/malloc_allocator/variadic_construct.cc: Simplify
31 dejagnu target selector.
32 * testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
34 * include/experimental/executor (__use_future_ct, use_future_t):
35 Define partial specializations for std::allocator.
36 (__use_future_ch): Overload constructor for completion tokens using
39 PR libstdc++/88338 Implement P0898R3, C++20 concepts library
40 * doc/xml/manual/status_cxx2020.xml: Update status.
41 * doc/html/*: Regenerate.
42 * testsuite/std/concepts/1.cc: New test.
43 * testsuite/std/concepts/2.cc: New test.
45 * include/bits/random.h (uniform_random_bit_generator): Define for
47 * testsuite/26_numerics/random/concept.cc: New test.
48 * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error line.
50 2019-10-23 Jonathan Wakely <jwakely@redhat.com>
52 * include/std/functional (invoke): Add constexpr for C++20.
53 * include/std/version (__cpp_lib_constexpr_invoke): Define.
54 * testsuite/20_util/function_objects/invoke/constexpr.cc: New test.
56 PR c++/91369 Implement P0784R7 changes to allocation and construction
57 * include/bits/alloc_traits.h: Include <bits/stl_construct.h>.
58 (allocator_traits::_S_allocate, allocator_traits::_S_construct)
59 (allocator_traits::_S_destroy, allocator_traits::_S_max_size)
60 (allocator_traits::_S_select, allocator_traits::allocate)
61 (allocator_traits::deallocate, allocator_traits::construct)
62 (allocator_traits::destroy, allocator_traits::max_size)
63 (allocator_traits::select_on_container_copy_construction)
64 (allocator_traits<allocator<T>>): Add constexpr specifier for C++20.
65 (allocator_traits<allocator<T>>::construct): Use construct_at.
66 (allocator_traits<allocator<T>>::destroy): Use destroy_at.
67 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Add constexpr
69 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
70 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move here
71 from <bits/stl_construct.h>.
72 * include/bits/allocator.h (allocator::~allocator): Remove for C++20.
73 (allocator::allocate, allocate::deallocate): Define for C++20 and up.
74 (operator==, operator!=): Add constexpr specifier for C++20.
75 * include/bits/stl_construct.h: Don't include <ext/alloc_traits.h>.
76 (destroy_at): For C++20 add constexpr specifier and support for
78 (construct_at): Define new function for C++20.
79 (_Construct): Return result of placement new-expression. For C++11 and
80 up add constexpr. For C++20 dispatch to std::construct_at during
82 (_Destroy(pointer)): Add constexpr specifier. For C++20 dispatch to
83 std::destroy_at during constant evaluation.
84 (_Destroy_aux::__destroy, _Destroy_n_aux::__destroy_n): Add constexpr
86 (_Destroy(ForwardIterator, ForwardIterator))
87 (_Destroy(ForwardIterator, Size)): Likewise. Do not elide trivial
88 destructors during constant evaluation.
89 (destroy, destroy_n): Add constexpr specifier for C++20.
90 (_Destroy(ForwardIterator, ForwardIterator, Alloc&))
91 (_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move to
92 <bits/alloc_traits.h>, to remove dependency on allocators.
93 * include/bits/stl_uninitialized.h: Include <ext/alloc_traits.h>.
94 Include <bits/stl_pair.h> instead of <utility>.
95 * include/ext/alloc_traits.h: Always include <bits/alloc_traits.h>.
96 (__alloc_traits::construct, __alloc_traits::destroy)
97 (__alloc_traits::_S_select_on_copy, __alloc_traits::_S_on_swap): Add
99 * include/ext/malloc_allocator.h (operator==, operator!=): Add
100 constexpr specifier for C++20.
101 * include/ext/new_allocator.h (operator==, operator!=): Likewise.
102 * testsuite/20_util/headers/memory/synopsis.cc: Add constexpr.
103 * testsuite/20_util/scoped_allocator/69293_neg.cc: Ignore additional
104 errors due to constexpr function called after failed static_assert.
105 * testsuite/20_util/specialized_algorithms/construct_at/1.cc: New test.
106 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
107 Ignore additional errors due to constexpr function called after failed
109 * testsuite/23_containers/vector/cons/destructible_neg.cc: Likewise.
111 * testsuite/20_util/bind/91371.cc: Fix test to compile as C++11.
113 * include/debug/helper_functions.h (__valid_range): Change
114 _GLIBCXX_CONSTEXPR to _GLIBCXX14_CONSTEXPR.
116 * include/ext/throw_allocator.h (throw_allocator_base): Qualify
117 size_t and ptrdiff_t.
119 * include/ext/pb_ds/detail/bin_search_tree_/bin_search_tree_.hpp:
120 Use detail::rebind_traits.
121 * include/ext/pb_ds/detail/bin_search_tree_/node_iterators.hpp:
123 * include/ext/pb_ds/detail/bin_search_tree_/traits.hpp: Likewise.
124 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp: Likewise.
125 * include/ext/pb_ds/detail/binary_heap_/entry_cmp.hpp: Likewise.
126 * include/ext/pb_ds/detail/binary_heap_/entry_pred.hpp: Likewise.
127 * include/ext/pb_ds/detail/binary_heap_/point_const_iterator.hpp:
129 * include/ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp:
131 * include/ext/pb_ds/detail/branch_policy/branch_policy.hpp: Likewise.
132 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp: Likewise.
133 * include/ext/pb_ds/detail/cond_dealtor.hpp: Likewise.
134 * include/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp (has_eq_fn): Likewise.
135 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp: Likewise.
136 * include/ext/pb_ds/detail/hash_fn/ranged_hash_fn.hpp: Likewise.
137 * include/ext/pb_ds/detail/hash_fn/ranged_probe_fn.hpp: Likewise.
138 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
139 left_child_next_sibling_heap_.hpp: Likewise.
140 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/node.hpp:
142 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
143 point_const_iterator.hpp: Likewise.
144 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp: Likewise.
145 * include/ext/pb_ds/detail/ov_tree_map_/
146 constructors_destructor_fn_imps.hpp: Likewise.
147 * include/ext/pb_ds/detail/ov_tree_map_/node_iterators.hpp: Likewise.
148 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hpp: Likewise.
149 * include/ext/pb_ds/detail/pairing_heap_/pairing_heap_.hpp: Likewise.
150 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp: Likewise.
151 * include/ext/pb_ds/detail/pat_trie_/pat_trie_base.hpp: Likewise.
152 * include/ext/pb_ds/detail/rb_tree_map_/node.hpp: Likewise.
153 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp: Likewise.
154 * include/ext/pb_ds/detail/splay_tree_/node.hpp: Likewise.
155 * include/ext/pb_ds/detail/thin_heap_/thin_heap_.hpp: Likewise.
156 * include/ext/pb_ds/detail/trie_policy/sample_trie_access_traits.hpp:
158 * include/ext/pb_ds/detail/type_utils.hpp: Fix typo in comment.
159 * include/ext/pb_ds/detail/types_traits.hpp (stored_value): Add
160 bool parameter to control whether the hash value is stored.
161 (select_base_type): New class template and partial specialization.
162 (maybe_null_type): Likewise.
163 (rebind_traits): New class template.
164 (type_base): Remove four nearly identical specializations.
165 (type_dispatch): Remove.
166 (type_traits): Use select_base_type and maybe_null_type instead of
167 type_base to control differences between specializations.
168 * include/ext/pb_ds/list_update_policy.hpp: Use detail::rebind_traits.
169 * include/ext/pb_ds/priority_queue.hpp: Likewise.
170 * include/ext/pb_ds/tree_policy.hpp: Likewise.
171 * include/ext/pb_ds/trie_policy.hpp: Likewise.
173 * include/backward/hash_set (hash_set): Use __alloc_traits.
174 * include/backward/hashtable.h (_Hashtable): Likewise.
175 * include/ext/alloc_traits.h (__alloc_traits::allocate): Add overload
177 * include/ext/extptr_allocator.h (_ExtPtr_allocator::allocate): Ignore
179 * include/ext/slist (_Slist_base): Use __alloc_traits.
180 * include/tr1/hashtable.h (_Hashtable): Likewise.
181 * include/tr1/regex (match_results): Use vector::const_reference
182 instead of assuming the allocator defines it.
183 * testsuite/backward/hash_map/23528.cc: Use allocator_traits in C++11.
184 * testsuite/tr1/6_containers/unordered_map/capacity/29134-map.cc: Use
185 __gnu_test::max_size.
186 * testsuite/tr1/6_containers/unordered_multimap/capacity/
187 29134-multimap.cc: Likewise.
188 * testsuite/tr1/6_containers/unordered_multiset/capacity/
189 29134-multiset.cc: Likewise.
190 * testsuite/tr1/6_containers/unordered_set/capacity/29134-set.cc:
193 2019-10-22 Jonathan Wakely <jwakely@redhat.com>
195 * testsuite/util/testsuite_abi.h: Restore use of tr1/unordered_map
196 when compiled as C++98.
198 * include/bits/memoryfwd.h (uses_allocator): Do not declare for C++98.
199 * testsuite/17_intro/names.cc: Check uses_allocator in C++98.
201 * include/bits/alloc_traits.h
202 (allocator_traits<allocator<T>>::allocate): Ignore hint for C++20.
203 (allocator_traits<allocator<T>>::construct): Perform placement new
204 directly for C++20, instead of calling allocator<T>::construct.
205 (allocator_traits<allocator<T>>::destroy): Call destructor directly
206 for C++20, instead of calling allocator<T>::destroy.
207 (allocator_traits<allocator<T>>::max_size): Return value directly
208 for C++20, instead of calling std::allocator<T>::max_size().
209 (__do_alloc_on_copy, __do_alloc_on_move, __do_alloc_on_swap): Do not
210 define for C++17 and up.
211 (__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Use if-constexpr
212 for C++17 and up, instead of tag dispatching.
213 * include/bits/allocator.h (allocator<void>): Remove for C++20.
214 (allocator::pointer, allocator::const_pointer, allocator::reference)
215 (allocator::const_reference, allocator::rebind): Remove for C++20.
216 * include/bits/basic_string.h (basic_string): Use __alloc_traits to
218 * include/bits/memoryfwd.h (allocator<void>): Remove for C++20.
219 * include/ext/debug_allocator.h: Use __alloc_traits for rebinding.
220 * include/ext/malloc_allocator.h (malloc_allocator::~malloc_allocator)
221 (malloc_allocator::pointer, malloc_allocator::const_pointer)
222 (malloc_allocator::reference, malloc_allocator::const_reference)
223 (malloc_allocator::rebind, malloc_allocator::max_size)
224 (malloc_allocator::construct, malloc_allocator::destroy): Do not
226 (malloc_allocator::_M_max_size): Define new function.
227 * include/ext/new_allocator.h (new_allocator::~new_allocator)
228 (new_allocator::pointer, new_allocator::const_pointer)
229 (new_allocator::reference, new_allocator::const_reference)
230 (new_allocator::rebind, new_allocator::max_size)
231 (new_allocator::construct, new_allocator::destroy): Do not
233 (new_allocator::_M_max_size): Define new function.
234 * include/ext/rc_string_base.h (__rc_string_base::_Rep): Use
235 __alloc_traits to rebind allocator.
236 * include/ext/rope (_Rope_rep_base, _Rope_base): Likewise.
237 (rope::rope(CharT, const allocator_type&)): Use __alloc_traits
238 to construct character.
239 * include/ext/slist (_Slist_base): Use __alloc_traits to rebind
241 * include/ext/sso_string_base.h (__sso_string_base::_M_max_size):
243 * include/ext/throw_allocator.h (throw_allocator): Do not use optional
244 members of std::allocator, use __alloc_traits members instead.
245 * include/ext/vstring.h (__versa_string): Use __alloc_traits.
246 * include/ext/vstring_util.h (__vstring_utility): Likewise.
247 * include/std/memory: Include <bits/alloc_traits.h>.
248 * testsuite/20_util/allocator/8230.cc: Use __gnu_test::max_size.
249 * testsuite/20_util/allocator/rebind_c++20.cc: New test.
250 * testsuite/20_util/allocator/requirements/typedefs.cc: Do not check
251 for pointer, const_pointer, reference, const_reference or rebind in
253 * testsuite/20_util/allocator/requirements/typedefs_c++20.cc: New test.
254 * testsuite/23_containers/deque/capacity/29134.cc: Use
255 __gnu_test::max_size.
256 * testsuite/23_containers/forward_list/capacity/1.cc: Likewise.
257 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
258 * testsuite/23_containers/map/capacity/29134.cc: Likewise.
259 * testsuite/23_containers/multimap/capacity/29134.cc: Likewise.
260 * testsuite/23_containers/multiset/capacity/29134.cc: Likewise.
261 * testsuite/23_containers/set/capacity/29134.cc: Likewise.
262 * testsuite/23_containers/vector/capacity/29134.cc: Likewise.
263 * testsuite/ext/malloc_allocator/variadic_construct.cc: Do not run
265 * testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
266 * testsuite/ext/vstring/capacity/29134.cc: Use __gnu_test::max_size.
267 * testsuite/util/replacement_memory_operators.h: Do not assume
268 Alloc::pointer exists.
269 * testsuite/util/testsuite_allocator.h (__gnu_test::max_size): Define
270 helper to call max_size for any allocator.
272 2019-10-22 Andreas Schwab <schwab@suse.de>
274 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
276 2019-10-18 Jonathan Wakely <jwakely@redhat.com>
279 * libsupc++/new_opa.cc (operator new) [__APPLE__]: Increase alignment
280 to at least sizeof(void*).
282 * include/bits/range_cmp.h (ranges::less::operator()): Inline the
283 logic from std::less::operator() to remove the dependency on it.
285 2019-10-17 Jonathan Wakely <jwakely@redhat.com>
287 * doc/doxygen/user.cfg.in (INPUT): Add new C++17 and C++20 headers.
289 * include/Makefile.am: Add new header.
290 * include/Makefile.in: Regenerate.
291 * include/bits/range_cmp.h: New header for C++20 function objects.
292 * include/std/functional: Include new header.
293 * testsuite/20_util/function_objects/identity/1.cc: New test.
294 * testsuite/20_util/function_objects/range.cmp/equal_to.cc: New test.
295 * testsuite/20_util/function_objects/range.cmp/greater.cc: New test.
296 * testsuite/20_util/function_objects/range.cmp/greater_equal.cc: New
298 * testsuite/20_util/function_objects/range.cmp/less.cc: New test.
299 * testsuite/20_util/function_objects/range.cmp/less_equal.cc: New test.
300 * testsuite/20_util/function_objects/range.cmp/not_equal_to.cc: New
304 * include/bits/forward_list.h
305 (_M_move_assign(forward_list&&, false_type)): Do not use
306 __make_move_if_noexcept, instead move unconditionally.
307 * include/bits/stl_deque.h (_M_move_assign2(deque&&, false_type)):
309 * include/bits/stl_list.h (_M_move_assign(list&&, false_type)):
311 * include/bits/stl_vector.h (_M_move_assign(vector&&, false_type)):
313 * testsuite/23_containers/vector/92124.cc: New test.
315 2019-10-16 Jonathan Wakely <jwakely@redhat.com>
317 * include/bits/c++config (_GLIBCXX_BUILTIN_IS_SAME_AS): Define to
318 one of __is_same_as or __is_same when available.
319 * include/std/concepts (__detail::__same_as): Use std::is_same_v.
320 * include/std/type_traits (is_same) [_GLIBCXX_BUILTIN_IS_SAME_AS]:
321 Use new macro instead of __is_same_as.
322 (is_same) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Restore partial
324 (is_same_v) [_GLIBCXX_BUILTIN_IS_SAME_AS]: Use new macro.
325 (is_same_v) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Use std::is_same.
327 2019-10-16 François Dumont <fdumont@gcc.gnu.org>
329 * src/c++11/debug.cc (print_field): Replace constness_names <unknown>
330 entry with <unknown constness>. Replace state_names <unknown> entry with
333 2019-10-11 Jonathan Wakely <jwakely@redhat.com>
335 * include/Makefile.am: Add new header.
336 * include/Makefile.in: Regenerate.
337 * include/precompiled/stdc++.h: Include <concepts>.
338 * include/std/concepts: New header for C++20.
339 * include/std/version (__cpp_lib_concepts): Define.
340 * scripts/create_testsuite_files: Look for test files in new std
342 * testsuite/libstdc++-dg/conformance.exp: Likewise.
343 * testsuite/std/concepts/concepts.callable/invocable.cc: New test.
344 * testsuite/std/concepts/concepts.callable/regular_invocable.cc: New
346 * testsuite/std/concepts/concepts.callable/relation.cc: New test.
347 * testsuite/std/concepts/concepts.callable/strictweakorder.cc: New
349 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
350 floating_point.cc: New test.
351 * testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc:
353 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
354 signed_integral.cc: New test.
355 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
356 unsigned_integral.cc: New test.
357 * testsuite/std/concepts/concepts.lang/concept.assignable/1.cc: New
359 * testsuite/std/concepts/concepts.lang/concept.common/1.cc: New test.
360 * testsuite/std/concepts/concepts.lang/concept.commonref/1.cc: New
362 * testsuite/std/concepts/concepts.lang/concept.constructible/1.cc:
364 * testsuite/std/concepts/concepts.lang/concept.convertible/1.cc:
366 * testsuite/std/concepts/concepts.lang/concept.copyconstructible/1.cc:
368 * testsuite/std/concepts/concepts.lang/concept.defaultconstructible/
370 * testsuite/std/concepts/concepts.lang/concept.derived/1.cc:
372 * testsuite/std/concepts/concepts.lang/concept.destructible/1.cc:
374 * testsuite/std/concepts/concepts.lang/concept.moveconstructible/1.cc:
376 * testsuite/std/concepts/concepts.lang/concept.same/1.cc:
378 * testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc:
380 * testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc:
382 * testsuite/std/concepts/concepts.lang/concept.swappable/
383 swappable_with.cc: New test.
384 * testsuite/std/concepts/concepts.object/copyable.cc: New test.
385 * testsuite/std/concepts/concepts.object/movable.cc: New test.
386 * testsuite/std/concepts/concepts.object/regular.cc: New test.
387 * testsuite/std/concepts/concepts.object/semiregular.cc: New test.
389 * include/std/type_traits (is_same): Replace partial specialization
390 by using __is_same_as built-in in primary template.
391 (is_same_v): Use __is_same_as built-in instead of instantiating the
395 * include/tr2/dynamic_bitset (__dynamic_bitset_base): Define all
396 special member functions as defaulted. Add noexcept to most members.
397 (__dynamic_bitset_base(size_t, unsigned long long, const _Alloc&)):
398 Mask off unwanted bits in the __val parameter. Avoid undefined left
400 (__dynamic_bitset_base::_M_assign): Remove.
401 (__dynamic_bitset_base::_M_do_reset): Use std::fill.
402 (__dynamic_bitset_base::_M_are_all_aux): Avoid integer promotion when
403 block_type has lower rank than int.
404 (dynamic_bitset): Add noexcept to most members. Use injected-class-name
405 in return types and parameter types.
406 (dynamic_bitset::_M_Nb): Add default member initializer.
407 (dynamic_bitset(), dynamic_bitset(const dynamic_bitset&)): Define as
409 (dynamic_bitset(dynamic_bitset&&)): Clear source object after move.
410 (dynamic_bitset::operator=(const dynamic_bitset&)): Define as
412 (dynamic_bitset::operator=(dynamic_bitset&&)): Add noexcept-specifier.
413 Define without using swap, to propagate allocator correctly.
414 (dynamic_bitset(const char*, const _Alloc&)): Use strlen.
415 (dynamic_bitset::_M_do_sanitize, dynamic_bitset::_M_do_fill): Use
416 casts to avoid unwanted integer promotions.
417 (dynamic_bitset::_M_copy_from_ptr): Rearrange template parameters and
418 add default template arguments and default argument to simplify usage.
419 (dynamic_bitset::_M_copy_from_string): Adjust call to _M_copy_from_ptr.
420 (operator==(const dynamic_bitset&, const dynamic_bitset&))
421 (operator<(const dynamic_bitset&, const dynamic_bitset&)): Use _M_Nb.
422 * include/tr2/dynamic_bitset.tcc (dynamic_bitset::_M_copy_from_ptr):
423 Adjust template parameters to match declaration.
424 * testsuite/tr2/dynamic_bitset/cmp.cc: New test.
425 * testsuite/tr2/dynamic_bitset/cons.cc: New test.
426 * testsuite/tr2/dynamic_bitset/copy.cc: New test.
427 * testsuite/tr2/dynamic_bitset/move.cc: New test.
428 * testsuite/tr2/dynamic_bitset/pr92059.cc: New test.
430 * include/bits/charconv.h (__to_chars_len): Avoid -Wsign-compare
433 2019-10-10 Jonathan Wakely <jwakely@redhat.com>
436 * src/c++98/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]
437 (find_ldbl_sync_facet): Fix parameter type and missing return.
439 2019-10-09 Marek Polacek <polacek@redhat.com>
441 PR c++/91364 - P0388R4: Permit conversions to arrays of unknown bound.
442 PR c++/69531 - DR 1307: Differently bounded array parameters.
443 PR c++/88128 - DR 330: Qual convs and pointers to arrays of pointers.
444 * testsuite/23_containers/span/lwg3255.cc: Adjust test to match the
445 post-P0388R4 behavior.
447 2019-10-09 Jonathan Wakely <jwakely@redhat.com>
450 * src/c++98/locale.cc (locale::id::_M_id()) [__GTHREADS]: Use atomic
451 compare-exchange or double-checked lock to ensure only one thread sets
452 the _M_index variable.
453 [_GLIBCXX_LONG_DOUBLE_COMPAT]: Call find_ldbl_sync_facet to detect
454 facets that share another facet's ID.
455 [_GLIBCXX_LONG_DOUBLE_COMPAT] (find_ldbl_sync_facet): New function.
458 * src/c++98/locale_init.cc (locale::classic()): Do not construct a new
459 locale object for every call.
460 (locale::_S_initialize_once()): Construct C locale here.
462 2019-10-08 Jonathan Wakely <jwakely@redhat.com>
464 * doc/Makefile.am (doc-html-docbook-regenerate): New target.
465 (${docbook_outdir}/html): Do not create unused 'html/ext' directory.
466 * doc/Makefile.in: Regenerate.
467 * doc/xml/manual/documentation_hacking.xml: Document new target.
468 * doc/html/*: Regenerate.
470 * doc/xml/manual/allocator.xml: Use archived copy of CUJ article.
471 * doc/html/*: Regenerate.
473 2019-10-06 François Dumont <fdumont@gcc.gnu.org>
475 * include/bits/stl_algo.h
476 (__copy_n_a(_IIte, _Size, _OIte)): New.
477 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New declaration.
478 (__copy_n(_IIte, _Size, _OIte, input_iterator_tag)): Adapt to use
480 * include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
481 std::__copy_n_a friend.
482 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New.
483 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1.cc: New.
484 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1_neg.cc: New.
485 * testsuite/25_algorithms/copy_n/istreambuf_iterator/2_neg.cc: New.
487 * include/bits/stl_iterator_base_types.h (__iterator_category_t): Define
489 (_RequireInputIte): Likewise and use __enable_if_t.
490 * include/std/numeric
491 (__is_random_access_iter): Use __iterator_category_t.
493 * include/bits/stl_algo.h (copy_n): Add __glibcxx_requires_can_increment
495 * testsuite/25_algorithms/copy_n/debug/1_neg.cc: New.
496 * testsuite/25_algorithms/copy_n/debug/2_neg.cc: New.
498 2019-10-04 François Dumont <fdumont@gcc.gnu.org>
500 * include/debug/forward_list
501 (_Sequence_traits<__debug::forward_list<>>::_S_size): Returns __dp_sign
502 distance when not empty.
503 * include/debug/list (_Sequence_traits<__debug::list<>>::_S_size):
505 * include/debug/helper_functions.h (__dp_sign_max_size): New
506 _Distance_precision enum entry.
507 (__valid_range_aux(_IIte, _IIte, _Distance_traits<>::__type,
508 __false_type)): Adapt.
509 * include/debug/safe_iterator.tcc
510 (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator&)): Review
511 distance computation.
513 2019-10-04 Jonathan Wakely <jwakely@redhat.com>
517 * configure.ac: Use AC_SYS_LARGEFILE to enable 64-bit file APIs.
518 * config.h.in: Regenerate:
519 * configure: Regenerate:
520 * include/Makefile.am (${host_builddir}/largefile-config.h): New
521 target to generate config header for filesystem library.
522 (${host_builddir}/c++config.h): Rename macros for large file support.
523 * include/Makefile.in: Regenerate.
524 * src/c++17/fs_dir.cc: Include new config header.
525 * src/c++17/fs_ops.cc: Likewise.
526 (filesystem::file_size): Use uintmax_t for size.
527 * src/filesystem/dir.cc: Include new config header.
528 * src/filesystem/ops.cc: Likewise.
529 (experimental::filesystem::file_size): Use uintmax_t for size.
531 * testsuite/util/testsuite_abi.h: Use std::unordered_map instead of
532 std::tr1::unordered_map.
533 * testsuite/util/testsuite_allocator.h: Likewise.
535 * include/tr1/hashtable.h: Add header for __gnu_cxx::__alloc_traits.
537 * include/tr1/hashtable.h (tr1::_Hashtable::_M_allocate_node): Use
538 __gnu_cxx::__alloc_traits for allocator construct function.
539 (tr1::_Hashtable::_M_deallocate_node): Likewise for destroy function.
541 * include/precompiled/stdc++.h: Include <span> for C++20.
542 * testsuite/17_intro/names.cc: Do not define 'e' for C++20.
544 2019-10-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
546 * include/parallel/multiway_merge.h (_RAIter3): Replace _C by _Cp.
548 2019-10-02 Jonathan Wakely <jwakely@redhat.com>
550 * config/abi/pre/gnu.ver: Tighten up greedy wildcards.
552 * doc/xml/manual/parallel_mode.xml: Add caveat about support for
554 * doc/html/*: Regenerate.
556 2019-10-01 Jonathan Wakely <jwakely@redhat.com>
558 * include/experimental/algorithm (experimental::sample): Qualify call
559 to __sample correctly.
560 * include/parallel/algo.h (sample, for_each_n): Add using-declarations
561 for algorithms that don't have parallel implementations.
563 * include/parallel/algobase.h (equal, lexicographical_compare): Add
564 _GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
566 * include/parallel/algorithmfwd.h (equal, lexicographical_compare):
567 Add _GLIBCXX20_CONSTEXPR.
569 * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
571 * testsuite/20_util/hash/84998.cc: Likewise.
572 * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
573 * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
574 * testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
575 * testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
576 * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
577 * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
578 * testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
579 * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
581 * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
583 * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
585 * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
587 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
589 * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
590 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
591 * testsuite/25_algorithms/copy/86658.cc: Likewise.
592 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
593 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
594 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
595 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
597 * include/parallel/algo.h: Replace non-reserved names.
598 * include/parallel/multiway_merge.h: Likewise.
599 * include/parallel/multiway_mergesort.h: Likewise.
600 * include/parallel/numericfwd.h: Likewise.
601 * testsuite/17_intro/names.cc: Add RAI to test macros.
603 2019-09-30 François Dumont <fdumont@gcc.gnu.org>
605 * include/debug/array: Add C++20 constexpr to comparison operators.
606 * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
607 dg-error line numbers.
608 * testsuite/23_containers/array/tuple_interface/
609 tuple_element_debug_neg.cc: Likewise.
611 2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
613 * include/experimental/internet: Include netinet/in.h if we have
614 _GLIBCXX_HAVE_NETINET_IN_H defined.
616 * testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
617 FreeBSD warning about lower advertised precision of tgammal.
618 * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
619 * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
620 * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
621 * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
622 * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
623 * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
624 * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
625 * testsuite/tr1/5_numerical_facilities/special_functions/
626 08_cyl_bessel_i/check_nan.cc: Likewise.
627 * testsuite/tr1/5_numerical_facilities/special_functions/
628 09_cyl_bessel_j/check_nan.cc: Likewise.
629 * testuite/tr1/5_numerical_facilities/special_functions/
630 10_cyl_bessel_k/check_nan.cc: Likewise.
631 * testsuite/tr1/5_numerical_facilities/special_functions/
632 11_cyl_neumann/check_nan.cc: Likewise.
633 * testsuite/tr1/5_numerical_facilities/special_functions/
634 21_sph_bessel/check_nan.cc: Likewise.
635 * testsuite/tr1/5_numerical_facilities/special_functions/
636 23_sph_neumann/check_nan.cc: Likewise.
638 2019-09-30 Jonathan Wakely <jwakely@redhat.com>
640 * include/std/span (span(element_type(&)[N]))
641 (span(array<value_type, N>&), span(const array<value_type, N>&)):
642 Deduce array element type to allow safe const conversions (LWG 3255).
643 [!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
644 remove_cv_t on arguments to __is_std_span and __is_std_array.
645 * testsuite/23_containers/span/lwg3255.cc: New test.
648 * include/parallel/checkers.h (__is_sorted): Remove unused variable.
650 2019-09-28 François Dumont <fdumont@gcc.gnu.org>
652 * include/bits/stl_algo.h (merge): Fix documentation.
653 * include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
654 (__check_sorted): Likewise and remove nested irreflexive check.
655 (__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
656 (__check_partitioned_lower, __check_partitioned_upper): Likewise.
657 (_Irreflexive_checker::_S_is_valid): Likewise.
658 (__is_irreflexive, __is_irreflexive_pred): Likewise.
659 * include/debug/helper_functions.h (__get_distance): Add constexpr.
660 (__valid_range_aux): Add C++20 constexpr.
661 (__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
662 Likewise and add std::is_constant_evaluated check.
663 (__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
664 (__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
665 (__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
667 (__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
668 __builtin_is_contant_evaludated check..
669 (__can_advance, __base): Add constexpr.
670 * include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
671 (_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
672 (__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
673 (__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
674 * testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
676 * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
677 * testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
678 lambda to be irreflexive.
680 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
682 * configure: Regenerate.
684 2019-09-27 Jonathan Wakely <jwakely@redhat.com>
687 * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
688 atomically and lock the mutex before accessing the sequence.
689 (_Safe_local_iterator_base::_M_detach()): Likewise.
690 (_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
692 2019-09-26 Jonathan Wakely <jwakely@redhat.com>
694 * include/debug/array (to_array): Define for debug mode.
696 * include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
697 piecewise construction constructor, assignment operators, and swap.
698 * include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
699 Add _GLIBCXX20_CONSTEXPR.
700 (pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
701 * testsuite/20_util/pair/constexpr_assign.cc: New test.
702 * testsuite/20_util/pair/constexpr_swap.cc: New test.
704 * include/experimental/internet (operator==, operator<): Fix loop
705 condition to avoid reading past the end of the array.
707 * include/std/array: Remove references to profile mode.
708 * include/std/bitset: Likewise.
709 * include/std/deque: Likewise.
710 * include/std/forward_list: Likewise.
711 * include/std/list: Likewise.
712 * include/std/map: Likewise.
713 * include/std/set: Likewise.
714 * include/std/unordered_map: Likewise.
715 * include/std/unordered_set: Likewise.
716 * include/std/vector: Likewise.
717 * testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
718 * testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
720 2019-09-25 Jonathan Wakely <jwakely@redhat.com>
722 * include/bits/regex.h
723 (basic_regex::assign(const C*, size_t, flag_type)): Add default
725 * testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
726 * testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
728 2019-09-24 Jonathan Wakely <jwakely@redhat.com>
730 * include/std/variant (variant::index()): Remove impossible case.
733 * testsuite/util/testsuite_hooks.h
734 (conversion::iterator_to_const_iterator()): Do not return an invalid
735 iterator. Test direct-initialization and direct-list-initialization
736 as well as implicit conversion.
738 2019-09-23 Jonathan Wakely <jwakely@redhat.com>
740 PR libstdc++/91788 (partial)
741 * include/std/variant (variant::index()): Improve codegen for cases
742 where conversion to size_t already works correctly.
744 2019-09-23 Andreas Schwab <schwab@suse.de>
746 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
748 2019-09-12 Jonathan Wakely <jwakely@redhat.com>
751 * include/bits/stl_algo.h (for_each_n): Fix random access iterator
753 * testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
756 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
758 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
761 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
762 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
763 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
766 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
768 * include/std/type_traits (__do_common_type_impl): Implement
769 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
770 (basic_common_reference, common_reference, common_reference_t): Define
772 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
774 * testsuite/20_util/common_reference/requirements/
775 explicit_instantiation.cc: New test.
776 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
779 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
780 non-template overloads for each signed and unsigned integer type and
781 char. Define deleted overload for bool (LWG 3266).
782 * testsuite/20_util/to_chars/1_neg.cc: Remove.
783 * testsuite/20_util/to_chars/3.cc: New test.
784 * testsuite/20_util/to_chars/lwg3266.cc: New test.
786 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
788 * acinclude.m4: Handle uclinux*.
789 * configure: Regenerate.
790 * configure.host: Handle uclinux*
792 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
793 Mickaël Guêné <mickael.guene@st.com>
795 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
798 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
801 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
802 0ul being a valid null pointer constant.
804 * include/std/type_traits (__remove_cv_t): New alias template.
805 (is_void, is_integral, is_floating_point, is_pointer)
806 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
807 (is_member_point), __is_signed_integer, __is_unsigned_integer)
808 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
809 (__decay_selector): Use __remove_cv_t.
810 (remove_cv): Add partial specializations for cv-qualified types.
811 (__decay_t): New alias template.
812 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
814 (__enable_if_t): Move earlier in the file.
815 (_Require): Use __enable_if_t.
816 (swap(T&, T&)): Use _Require.
817 (swap(T(&)[N])): Use __enable_if_t.
819 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
821 Implement C++20 p1424 - 'constexpr' feature macro concerns,
822 Issue 3256 - Feature testing macro for constexpr algorithms,
823 and Issue 3257 - Missing feature testing macro update from P0858.
824 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
825 * include/bits/algorithmfwd.h: Ditto.
826 * include/std/utility: Ditto.
827 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
828 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
829 __cpp_lib_constexpr macro in <algorith>.
830 * testsuite/20_util/exchange/constexpr.cc: Add check for
831 __cpp_lib_constexpr macro in <utility>.
832 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
833 __cpp_lib_constexpr_algorithms.
834 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
835 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
836 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
837 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
838 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
839 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
840 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
841 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
842 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
843 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
844 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
845 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
846 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
847 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
848 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
849 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
850 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
851 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
852 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
853 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
854 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
855 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
856 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
857 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
858 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
859 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
860 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
861 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
862 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
863 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
864 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
865 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
866 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
867 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
868 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
869 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
870 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
871 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
872 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
873 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
874 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
875 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
876 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
877 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
878 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
879 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
880 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
881 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
882 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
883 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
884 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
885 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
886 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
888 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
890 Update docs for recent <span> and constexpr lib changes.
891 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
892 p1023r0, p1085r2 status.
893 * doc/html/manual/status.html: Regenerate.
895 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
897 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
898 final offsets with constants.
900 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
902 * include/bits/range_access.h (__adl_to_address): Remove.
903 * include/std/span (__is_base_derived_safe_convertible_v): Replace
904 with span::__is_compatible.
905 (__is_std_array_v): Replace with __is_std_array class template and
906 partial specializations.
907 (__is_std_array, __is_std_span): New class templates and partial
909 (span::__is_compatible): New alias template for SFINAE constraints.
910 (span::span(element_type (&)[N])): Remove redundant constraints. Do
911 not use __adl_data to obtain a pointer.
912 (span::span(array<value_type, N>&)): Likewise.
913 (span::span(const array<value_type, N>&)): Likewise.
914 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
915 (span::iter_value_t, span::derived_from): New alias templates for
916 SFINAE constraints, until the equivalents are supported in <concepts>
918 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
919 for SFINAE constraints.
920 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
922 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
923 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
924 Use std::to_address instead of __adl_to_address.
925 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
926 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
927 template for SFINAE constraints.
928 [!_GLIBCXX_P1394] (span::span(Container&))
929 (span::span(const Container&)): Improve constraints.
930 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
931 (span::span(pointer, pointer)): Remove redundant cast of pointer.
932 (span(const span<OType, OExtent>&)): New constructor.
934 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
936 * include/bits/range_access.h (ssize): Define for C++20.
937 * testsuite/24_iterators/range_access_cpp20.cc: New test.
938 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
939 * doc/html/*: Regenerate.
941 2019-09-06 Florian Weimer <fweimer@redhat.com>
943 * configure: Regenerate.
945 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
947 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
948 P1024R3. Remove entry for P0920R2.
949 * include/std/span (__cpp_lib_span): Change value.
950 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
952 (span): Replace __extent_storage base class with data member.
953 (span::_S_subspan_extent): New function.
954 (span::empty()): Add nodiscard attribute.
955 (span::front, span::back, span::operator[]): Check preconditions.
956 (span::first, span::last, span::subspan): Add noexcept. Improve
957 precondition checks (LWG 3103).
958 (get): Remove redundant condition from static_assert.
959 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
960 (as_writable_bytes): Add inline specifier.
961 * include/std/version (__cpp_lib_span): Change value.
962 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
963 * testsuite/23_containers/span/front_neg.cc: Likewise.
964 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
965 * testsuite/23_containers/span/last_neg.cc: Improve test.
966 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
967 * testsuite/23_containers/span/1.cc: New test.
968 * testsuite/23_containers/span/2.cc: New test.
969 * testsuite/23_containers/span/back_assert_neg.cc: New test.
970 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
971 * testsuite/23_containers/span/first_assert_neg.cc: New test.
972 * testsuite/23_containers/span/first_neg.cc: New test.
973 * testsuite/23_containers/span/front_assert_neg.cc: New test.
974 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
975 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
976 * testsuite/23_containers/span/last_assert_neg.cc: New test.
977 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
978 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
979 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
980 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
981 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
982 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
984 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
986 * include/Makefile.am: Add <span> header.
987 * include/Makefile.in: Regenerate.
988 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
989 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
990 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
991 New functions for performing argument-dependent lookup of range
992 customization points.
993 * include/bits/stl_iterator.h (__normal_iterator): Add
994 _GLIBCXX20_CONSTEXPR to all functions.
995 * include/std/span: New header.
996 * include/std/version (__cpp_lib_span): Define feature test macro.
997 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
998 * testsuite/23_containers/span/everything.cc: New test.
999 * testsuite/23_containers/span/get_neg.cc: New test.
1000 * testsuite/23_containers/span/last_neg.cc: New test.
1001 * testsuite/23_containers/span/subspan_neg.cc: New test.
1002 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
1003 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
1004 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
1006 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
1008 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
1009 * doc/html/*: Regenerate.
1011 2019-09-04 Mike Crowe <mac@mcrowe.com>
1014 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
1015 pthread_cond_clockwait function.
1016 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
1017 * configure: Regenerate.
1018 * config.h.in: Regenerate.
1019 * include/std/condition_variable: (condition_variable): Rename
1020 __steady_clock_t typedef and add system_clock. Change __clock_t to be
1021 a typedef for the preferred clock to convert arbitrary other clocks to.
1022 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
1024 (wait_until): Change __clock_t overload to use system_clock.
1025 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
1026 steady_clock overload that calls pthread_cond_clockwait.
1027 (__wait_until_impl): Change __clock_t overload to use system_clock.
1028 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
1029 steady_clock for __clock_t if pthread_cond_clockwait is available.
1031 2019-09-04 Mike Crowe <mac@mcrowe.com>
1033 * testsuite/30_threads/condition_variable/members/2.cc (test01):
1034 Parameterise so that test can be run against an arbitrary clock.
1035 (main): Test using std::chrono::steady_clock and a user-defined
1036 clock in addition to the previous std::chrono::system_clock.
1037 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1039 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
1041 * crossconfig.m4: Remove references to spu.
1042 * configure: Regenerate.
1043 * doc/xml/manual/appendix_contributing.xml: Remove references
1044 to __ea as "badword" for spu.
1045 * doc/html/manual/source_code_style.html: Regenerate.
1046 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
1047 to avoid __ea (as "badword" for spu).
1048 (__ellint_rj): Likewise.
1050 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
1053 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
1054 scanning to conform to the GNU Coding Standards.
1055 * configure: Regenerate.
1057 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1059 * src/c++17/memory_resource.cc: Use __constinit keyword.
1061 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1063 * doc/xml/manual/abi.xml: Document 9.x library versions.
1064 * doc/html/*: Regenerate.
1066 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
1068 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
1069 (__detail::__to_chars_8_len): Remove.
1070 (__detail::__to_chars_8): Inline length calculation here.
1071 (__detail::__from_chars_binary): Use numeric_limits instead of
1074 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1076 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
1077 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
1078 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
1079 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
1082 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
1084 * testsuite_files/util/testsuite_performance.h
1085 (resource_counter::start): Ignore unused malloc(0) result.
1087 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
1089 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
1090 Model Object Technologies): Adjust name and link.
1092 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
1094 * include/std/charconv (__detail::__to_chars_8)
1095 __detail::__to_chars_16): Replace array of precomputed digits with
1096 arithmetic operations to avoid CPU cache misses. Remove zero
1097 termination from array of digits to allow symbol merge with generic
1098 implementation of __detail::__to_chars. Replace final offsets with
1099 constants. Use __detail::__to_chars_len_2 instead of a generic
1100 __detail::__to_chars_len.
1101 (__detail::__to_chars): Remove zero termination from array of digits.
1102 (__detail::__to_chars_2): Leading digit is always '1'.
1104 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1106 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
1108 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
1110 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1112 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
1115 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
1116 to template parameters.
1117 * include/bits/stl_uninitialized.h (uninitialized_copy)
1118 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
1119 diagnose invalid uses.
1120 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1121 Adjust expected error.
1122 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
1124 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
1126 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
1128 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
1130 * testsuite/23_containers/vector/cons/89164.cc: New test.
1131 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
1133 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
1136 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
1137 * configure: Regenerate.
1138 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
1140 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
1142 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1144 2019-08-29 Jakub Jelinek <jakub@redhat.com>
1146 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1147 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1149 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
1151 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1152 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1153 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1154 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1155 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1156 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1157 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1159 2019-08-23 Joseph Myers <joseph@codesourcery.com>
1161 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
1162 (std::filesystem::__gnu_posix::lstat): Add return type.
1164 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
1166 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
1168 * include/std/numeric (reduce): Fix Doxygen markup.
1171 * include/std/type_traits (is_function): Simplify definition. Remove
1172 partial specializations for function types.
1173 (__is_referenceable): Simplify definition.
1174 * testsuite/20_util/bind/91371.cc: New test.
1175 * testsuite/20_util/is_function/91371.cc: New test.
1176 * testsuite/20_util/is_function/value.cc: Check more pointer types.
1177 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
1178 * testsuite/20_util/is_object/91371.cc: New test.
1180 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
1182 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1184 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
1187 * include/bits/std_function.h (__check_func_return_type): Remove.
1188 (function::_Callable): Use std::__is_invocable_impl instead of
1189 __check_func_return_type.
1190 * include/std/type_traits (__is_invocable_impl): Add another defaulted
1191 template parameter. Define a separate partial specialization for
1192 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
1193 with a check that models delayed temporary materialization.
1194 * testsuite/20_util/function/91456.cc: New test.
1195 * testsuite/20_util/is_invocable/91456.cc: New test.
1197 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
1199 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
1201 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
1203 Implement C++20 p0879 - Constexpr for swap and swap related functions.
1204 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
1205 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
1207 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
1208 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
1209 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
1210 * include/bits/move.h (swap): Add constexpr.
1211 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
1212 (__gcd, __rotate, rotate, __partition, __heap_select)
1213 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
1214 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
1215 (__introselect, __chunk_insertion_sort, next_permutation)
1216 (prev_permutation, partition, partial_sort, nth_element, sort)
1217 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
1218 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
1219 (swap_ranges): Add constexpr.
1220 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
1221 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
1223 * include/std/type_traits (swap): Add constexpr.
1224 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
1225 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
1226 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
1227 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
1228 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
1229 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
1230 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
1231 * testsuite/25_algorithms/partition/constexpr.cc: New test.
1232 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
1233 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
1234 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
1235 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
1236 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
1237 * testsuite/25_algorithms/sort/constexpr.cc: New test.
1238 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
1239 * testsuite/25_algorithms/swap/constexpr.cc: New test.
1240 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
1242 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
1245 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
1247 * include/std/tuple (__unpack_std_tuple): New variable template and
1248 partial specializations.
1249 (apply, make_from_tuple): Add noexcept-specifier.
1250 * testsuite/20_util/tuple/apply/2.cc: New test.
1251 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
1253 2019-08-09 Corentin Gay <gay@adacore.com>
1255 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
1256 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
1257 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
1258 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
1259 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
1260 Add call to `VERIFY`.
1262 2019-08-09 Alexandre Oliva <oliva@adacore.com>
1264 * include/ext/random
1265 (normal_mv_distribution::param_type::param_type): New private
1266 ctor taking a decomposed varcov matrix, for use by...
1267 (operator>>): ... this, befriended.
1268 * include/ext/random.tcc (operator>>): Use it.
1269 (normal_mv_distribution::param_type::_M_init_lower): Adjust
1270 member function name in exception message.
1272 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
1274 P0325R4 to_array from LFTS with updates
1275 * include/experimental/array (to_array): Qualify call to __to_array.
1276 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
1277 * include/std/version (__cpp_lib_to_array): Likewise.
1278 * testsuite/23_containers/array/creation/1.cc: New test.
1279 * testsuite/23_containers/array/creation/2.cc: New test.
1280 * testsuite/23_containers/array/creation/3_neg.cc: New test.
1281 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
1282 Use zero for dg-error line number.
1284 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
1286 P1651R0 bind_front should not unwrap reference_wrapper
1287 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
1288 * include/std/version (__cpp_lib_bind_front): Update value.
1289 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
1291 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
1293 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
1294 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
1295 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
1296 specializations for __float128.
1297 * testsuite/26_numerics/numbers/float128.cc: New test.
1299 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
1301 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
1304 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
1306 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
1307 in <algorithm> and <utility> Headers.
1308 Implement C++20 p1023 - constexpr comparison operators for std::array.
1309 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
1310 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
1311 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
1312 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
1313 none_of, partition_copy, partition_point, remove, remove_if,
1314 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
1315 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
1316 count_if, equal, find, find_first_of, find_if, for_each, generate,
1317 generate_n, lexicographical_compare, merge, mismatch, replace,
1318 replace_if, search, search_n, set_difference, set_intersection,
1319 set_symmetric_difference, set_union, transform, unique_copy):
1321 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
1322 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
1323 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
1324 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
1325 Use const ref instead of ref arg;
1326 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
1327 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
1328 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
1329 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
1330 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
1331 __iter_comp_iter): Mark constexpr.
1332 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
1333 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
1334 none_of, any_of, find_if_not, is_partitioned, partition_point,
1335 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
1336 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
1337 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
1338 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
1339 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
1340 __equal_range, equal_range, binary_search, __includes, includes,
1341 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
1342 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
1343 is_sorted_until, __is_permutation, is_permutation, for_each, find,
1344 find_if, find_first_of, adjacent_find, count, count_if, search,
1345 search_n, transform, replace, replace_if, generate, generate_n,
1346 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
1347 set_intersection, __set_difference, set_difference,
1348 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
1349 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
1350 wrappers around __builtin_memmove and __builtin_memcmp
1352 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
1353 copy, move, __copy_move_b, __copy_move_backward_a,
1354 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
1355 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
1356 __lexicographical_compare_impl, __lexicographical_compare,
1357 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
1358 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
1359 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
1360 is_heap): Mark constexpr.
1361 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
1362 is_heap): Mark constexpr.
1363 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
1364 * include/std/array: Make comparison ops constexpr.
1365 * include/std/utility: Make exchange constexpr.
1366 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
1367 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
1368 * testsuite/23_containers/array/tuple_interface/
1369 tuple_element_neg.cc: Adjust.
1370 * testsuite/20_util/exchange/constexpr.cc: New.
1371 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
1372 * testsuite/25_algorithms/constexpr_macro.cc: New.
1373 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
1374 * testsuite/25_algorithms/all_of/constexpr.cc: New.
1375 * testsuite/25_algorithms/any_of/constexpr.cc: New.
1376 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
1377 * testsuite/25_algorithms/copy/constexpr.cc: New.
1378 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
1379 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
1380 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
1381 * testsuite/25_algorithms/count/constexpr.cc: New.
1382 * testsuite/25_algorithms/count_if/constexpr.cc: New.
1383 * testsuite/25_algorithms/equal/constexpr.cc: New.
1384 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
1385 * testsuite/25_algorithms/fill/constexpr.cc: New.
1386 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
1387 * testsuite/25_algorithms/find/constexpr.cc: New.
1388 * testsuite/25_algorithms/find_end/constexpr.cc: New.
1389 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
1390 * testsuite/25_algorithms/find_if/constexpr.cc: New.
1391 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
1392 * testsuite/25_algorithms/for_each/constexpr.cc: New.
1393 * testsuite/25_algorithms/generate/constexpr.cc: New.
1394 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
1395 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
1396 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
1397 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
1398 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
1399 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
1400 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
1401 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
1402 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
1403 * testsuite/25_algorithms/merge/constexpr.cc: New.
1404 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
1405 * testsuite/25_algorithms/none_of/constexpr.cc: New.
1406 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
1407 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
1408 * testsuite/25_algorithms/remove/constexpr.cc: New.
1409 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
1410 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
1411 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
1412 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
1413 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
1414 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
1415 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
1416 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
1417 * testsuite/25_algorithms/search/constexpr.cc: New.
1418 * testsuite/25_algorithms/search_n/constexpr.cc: New.
1419 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
1420 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
1421 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
1422 * testsuite/25_algorithms/set_union/constexpr.cc: New.
1423 * testsuite/25_algorithms/transform/constexpr.cc: New.
1424 * testsuite/25_algorithms/unique/constexpr.cc: New.
1425 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
1426 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
1428 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
1430 * include/std/memory (make_obj_using_allocator): Qualify call to
1431 uses_allocator_construction_args.
1433 P0631R4 Math Constants
1434 * include/Makefile.am: Add new header.
1435 * include/Makefile.in: Regenerate.
1436 * include/precompiled/stdc++.h: Include new header.
1437 * include/std/numbers: New header.
1438 * include/std/version (__cpp_lib_math_constants): Define.
1439 * testsuite/26_numerics/numbers/1.cc: New test.
1440 * testsuite/26_numerics/numbers/2.cc: New test.
1441 * testsuite/26_numerics/numbers/3.cc: New test.
1442 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
1444 * include/std/bit: Add Doxygen comments.
1447 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
1448 constraints on deleter that should only apply to the constructor.
1449 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
1450 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
1451 constraints on deleter here.
1452 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
1454 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
1457 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
1459 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
1461 * testsuite/18_support/51333.cc: New test.
1463 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
1465 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
1466 to the Doxygen manual. Avoid a "here" link on the way.
1467 Fix another broken link to Doxygen docblocks.
1469 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
1471 * include/std/bit (__cpp_lib_endian): Define.
1472 * include/std/version (__cpp_lib_endian): Define.
1473 * testsuite/26_numerics/endian/2.cc: New.
1474 * testsuite/26_numerics/endian/3.cc: New.
1475 * testsuite/26_numerics/endian/4.cc: New.
1477 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
1479 * testsuite/util/testsuite_iterators.h
1480 (bidirectional_iterator_wrapper): Fix type comment.
1481 (random_access_iterator_wrapper): Likewise.
1483 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
1485 * include/std/bit (endian): Move definition here as per P1612R1.
1486 * include/std/type_traits (endian): Remove definition from here.
1487 * testsuite/20_util/endian/1.cc: Rename to ...
1488 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
1490 2019-07-25 Martin Liska <mliska@suse.cz>
1491 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
1494 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
1495 -fno-allocation-dce.
1496 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
1497 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
1498 * testsuite/ext/new_allocator/check_new.cc: Likewise.
1500 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
1502 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
1503 * testsuite/26_numerics/bit/bit.count/*: Here.
1505 * include/std/bit (__rotl, __rotr): Change second parameter from
1506 unsigned int to int and handle negative values.
1507 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
1508 parameter from unsigned int to int. Add nodiscard attribute.
1509 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
1510 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
1512 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
1513 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
1516 * include/std/bit (__ceil2): Make unrepresentable results undefined,
1517 as per P1355R2. Add debug assertion. Perform one left shift, not two,
1518 so that out of range values cause undefined behaviour. Ensure that
1519 shift will still be undefined if left operand is promoted.
1520 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
1521 unrepresentable values with checks that they are not core constant
1523 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
1525 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
1527 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
1528 sized deallocation size computation.
1530 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
1532 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
1534 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
1536 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
1537 (~_Temporary_buffer()): Use latter.
1538 (_Temporary_buffer(_FIterator, size_type)): Likewise.
1540 2019-07-17 Andreas Schwab <schwab@suse.de>
1542 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1544 2019-07-16 Jason Merrill <jason@redhat.com>
1546 * include/std/memory (uses_allocator_construction_args): Add parens
1549 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
1551 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
1553 * include/experimental/string_view (__detail::__idt): Remove.
1554 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1555 Use __type_identity_t instead of __detail::__idt;
1556 * include/std/string_view (__detail::__idt): Remove.
1557 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1558 Use __type_identity_t instead of __detail::__idt;
1559 * include/std/type_traits (__type_identity_t): New alias template.
1561 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
1562 and floating point atomics.
1564 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
1566 * doc/xml/manual/configure.xml: Improve documentation of
1567 --enable-libstdcxx-time option.
1569 * include/bits/atomic_base.h (__atomic_impl): New namespace for
1570 wrappers around atomic built-ins.
1571 (__atomic_float, __atomic_ref): New class templates for use as base
1573 * include/std/atomic (atomic<float>, atomic<double>)
1574 (atomic<long double>): New explicit specializations.
1575 (atomic_ref): New class template.
1576 (__cpp_lib_atomic_ref): Define.
1577 * include/std/version (__cpp_lib_atomic_ref): Define.
1578 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
1579 * testsuite/29_atomics/atomic_float/1.cc: New test.
1580 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
1581 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
1582 * testsuite/29_atomics/atomic_ref/float.cc: New test.
1583 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
1584 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
1585 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
1586 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
1588 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
1590 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
1591 throw() with _GLIBCXX_NOTHROW.
1592 (__atomic_add_dispatch): Return after performing atomic increment.
1594 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
1596 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
1597 (__exchange_and_add): Replace static specifier with always_inline
1599 (__exchange_and_add_single, __atomic_add_single): Likewise.
1600 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
1601 combine !__gthread_active_p() and !__GTHREADS branches.
1603 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
1606 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
1607 * configure: Regenerate.
1608 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
1610 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
1611 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1613 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
1615 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
1616 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
1617 instead of __is_identifier to detect Clang support.
1619 2019-07-02 Jim Wilson <jimw@sifive.com>
1621 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
1623 * configure: Regenerate.
1625 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
1628 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
1629 for the what_arg parameters.
1630 (filesystem_error::filesystem_error): Pass system_error::what() to
1631 the _Impl constructor.
1632 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
1633 filesystem_error::what() contains system_error::what().
1635 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
1637 * include/std/charconv (chars_format): Define bitmask type.
1638 * testsuite/20_util/to_chars/chars_format.cc: New test.
1640 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
1641 * include/std/bit (_If_is_unsigned_integer_type): Remove.
1642 (_If_is_unsigned_integer): Use __is_unsigned_integer.
1643 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
1644 (countl_one(byte), countr_zero(byte), countr_one(byte))
1645 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
1646 (log2p1(byte)): Remove.
1647 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
1648 (__detail::__is_int_to_chars_type): Remove.
1649 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
1650 and __is_unsigned_integer.
1651 * include/std/type_traits (__is_one_of): Move here from <charconv>.
1652 (__is_signed_integer, __is_unsigned_integer): New helpers.
1653 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
1655 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
1656 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
1657 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
1658 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
1659 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1660 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1661 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1662 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1663 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
1664 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
1666 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
1668 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
1671 2019-06-25 Jakub Jelinek <jakub@redhat.com>
1673 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1674 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1675 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1676 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1678 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
1680 * include/std/numeric (midpoint(T, T)): Change implementation for
1681 floating-point types to avoid incorrect rounding of denormals.
1682 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
1683 rounding with denormals.
1684 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
1685 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1687 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
1689 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
1691 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
1693 * configure: Regenerate.
1695 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
1696 Qualify calls to __never_valueless.
1698 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
1699 C++17 working draft.
1701 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
1702 vector<bool> for test.
1703 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1705 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1707 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
1709 (istream_iterator::_M_read()): Do not check stream state before
1710 attempting extraction. Set stream pointer to null when extraction
1712 (operator==(const istream_iterator&, const istream_iterator&)): Change
1713 to be a hidden friend of istream_iterator.
1714 (operator!=(const istream_iterator&, const istream_iterator&)):
1716 (ostream_iterator::ostream_iterator()): Add default constructor.
1717 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
1719 * testsuite/24_iterators/istream_iterator/1.cc: New test.
1720 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
1721 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
1722 constructor taking a string.
1723 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
1726 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
1727 Jonathan Wakely <jwakely@redhat.com>
1730 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
1731 values of type bool for vector<bool> elements.
1732 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
1733 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1735 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1737 PR libstdc++/90920 partially revert r263433
1738 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
1739 (rotate): Remove checks.
1740 * testsuite/25_algorithms/rotate/90920.cc: New test.
1742 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
1743 category used in invocable check.
1744 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
1745 * testsuite/26_numerics/reduce/2.cc: New test.
1747 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
1749 * include/bits/algorithmfwd.h: Change title of doc group.
1750 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
1752 * include/bits/stl_numeric.h: Define doc group and add algos to it.
1753 * include/std/numeric (__is_random_access_iter): New internal trait.
1754 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
1755 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
1756 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
1757 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
1758 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
1759 * testsuite/26_numerics/reduce/1.cc: New test.
1760 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
1761 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
1762 * testsuite/26_numerics/transform_reduce/1.cc: New test.
1763 * testsuite/util/testsuite_iterators.h (test_container::size()): New
1766 * include/c_global/cstddef (std::byte): Perform arithmetic operations
1767 in unsigned int to avoid promotion (LWG 2950).
1769 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1771 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
1774 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
1776 PR libstdc++/90281 Fix string conversions for filesystem::path
1777 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1778 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
1779 __str_codecvt_in_all to fail for partial conversions and throw on
1781 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
1782 (path::_Cvt<char8_t>): Add explicit specialization.
1783 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
1785 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1786 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
1787 instead of codecvt_utf8. Use __str_codecvt_in_all and
1788 __str_codecvt_out_all.
1789 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1790 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1791 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1792 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1793 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
1794 after converting to UTF-8.
1795 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
1796 __str_codecvt_in_all.
1797 (path::string): Fix initialization of string types with different
1799 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1800 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1801 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
1803 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
1804 return false for partial conversions.
1805 * include/experimental/bits/fs_path.h (u8path):
1806 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
1807 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
1808 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
1809 instead of codecvt_utf8. Use __str_codecvt_in_all and
1810 __str_codecvt_out_all.
1811 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1812 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1813 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1814 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1815 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
1816 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1817 __str_codecvt_in_all.
1818 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1819 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1820 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
1821 __str_codecvt_in_all.
1822 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
1823 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
1824 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
1825 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
1826 strings and with Unicode characters outside the basic multilingual
1828 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
1829 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
1830 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
1831 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
1832 * testsuite/experimental/filesystem/path/native/string.cc: Test with
1833 empty strings and with Unicode characters outside the basic
1836 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
1837 Jonathan Wakely <jwakely@redhat.com>
1839 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
1840 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
1841 deallocate node if insertion fails.
1842 (_Hashtable::_M_insert_multi_node): Likewise.
1843 (_Hashtable::_M_reinsert_node): Pass additional key argument.
1844 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
1845 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
1846 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
1847 (_Hashtable::extract(const _Key&)): Likewise.
1848 (_Hashtable::_M_merge_unique): Pass additional key argument.
1849 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
1851 (_Hashtable::_M_insert): Likewise.
1852 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
1853 (_Hashtable_alloc): Add comments to functions with misleading names.
1855 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1857 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
1859 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
1860 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
1861 header for std::allocator.
1862 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
1863 using-declaration for std::size_t.
1864 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
1866 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
1868 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
1869 * testsuite/experimental/map/erasure.cc: Include <string> for
1871 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
1873 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
1875 * include/experimental/type_traits (experimental::nonesuch): Use
1876 pragma to disable -Wctor-dtor-privacy warnings.
1877 * include/std/type_traits (__is_convertible_helper<From, To, false>)
1878 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
1880 * include/std/version (__cpp_lib_bind_front): Add missing macro.
1882 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
1884 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
1885 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
1886 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
1887 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
1889 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
1890 (variant::emplace): Change static_assert messages from "should be"
1892 (hash<monostate>::operator()): Remove name of unused parameter.
1894 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
1897 * include/Makefile.am: Add new <bits/charconv.h> header.
1898 * include/Makefile.in: Regenerate.
1899 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
1900 (to_string(long), to_string(unsigned long), to_string(long long))
1901 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
1902 * include/bits/charconv.h: New header.
1903 (__detail::__to_chars_len): Move here from <charconv>.
1904 (__detail::__to_chars_10_impl): New function extracted from
1905 __detail::__to_chars_10.
1906 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
1907 (__to_chars_unsigned_type): New class template that reuses
1908 __make_unsigned_selector_base::__select to pick a type.
1909 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
1910 (__detail::__to_chars_len): Move to new header.
1911 (__detail::__to_chars_10): Add inline specifier. Move code doing the
1912 output to __detail::__to_chars_10_impl and call that.
1913 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
1914 * testsuite/21_strings/basic_string/numeric_conversions/char/
1915 to_string.cc: Fix reference in comment. Remove unused variable.
1916 * testsuite/21_strings/basic_string/numeric_conversions/char/
1917 to_string_int.cc: New test.
1919 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1921 Fix ConstexprIterator requirements tests - No constexpr algorithms!
1922 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1923 Replace copy with hand-rolled loop.
1924 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1927 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
1929 Test for C++20 p0858 - ConstexprIterator requirements.
1930 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1932 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1935 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
1937 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
1939 * include/bits/c++config: Rename all macros of the form __PSTL* to
1941 * include/std/algorithm: Likewise.
1942 * include/std/execution: Likewise.
1943 * include/std/numeric: Likewise.
1944 * include/std/memory: Likewise.
1945 * include/pstl/glue_memory_impl.h: Likewise.
1946 * include/pstl/numeric_impl.h: Likewise.
1947 * include/pstl/glue_memory_defs.h: Likewise.
1948 * include/pstl/execution_defs.h: Likewise.
1949 * include/pstl/utils.h: Likewise.
1950 * include/pstl/algorithm_fwd.h: Likewise.
1951 * include/pstl/unseq_backend_simd.h: Likewise.
1952 * include/pstl/glue_execution_defs.h: Likewise.
1953 * include/pstl/algorithm_impl.h: Likewise.
1954 * include/pstl/parallel_impl.h: Likewise.
1955 * include/pstl/memory_impl.h: Likewise.
1956 * include/pstl/glue_numeric_defs.h: Likewise.
1957 * include/pstl/parallel_backend_utils.h: Likewise.
1958 * include/pstl/glue_algorithm_defs.h: Likewise.
1959 * include/pstl/parallel_backend.h: Likewise.
1960 * include/pstl/glue_numeric_impl.h: Likewise.
1961 * include/pstl/parallel_backend_tbb.h: Likewise.
1962 * include/pstl/numeric_fwd.h: Likewise.
1963 * include/pstl/glue_algorithm_impl.h: Likewise.
1964 * include/pstl/execution_impl.h: Likewise.
1965 * include/pstl/pstl_config.h: Likewise.
1966 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1967 * testsuite/util/pstl/test_utils.h: Likewise.
1968 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1970 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1972 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1974 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
1975 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
1976 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
1977 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
1978 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1980 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
1981 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
1982 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
1983 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
1984 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1986 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
1987 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
1988 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
1989 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
1990 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1992 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
1993 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
1994 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1996 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1998 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
1999 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
2000 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
2002 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
2004 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
2006 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
2008 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
2010 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
2012 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
2014 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
2016 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
2018 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
2020 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
2022 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
2024 Rename header guards to be consistent with upstream project's
2026 * include/pstl/glue_memory_impl.h: Rename all macros of the form
2027 _PSTL_(.*)_H to _PSTL_\U\1_H.
2028 * include/pstl/numeric_impl.h: Likewise.
2029 * include/pstl/glue_memory_defs.h: Likewise.
2030 * include/pstl/execution_defs.h: Likewise.
2031 * include/pstl/utils.h: Likewise.
2032 * include/pstl/algorithm_fwd.h: Likewise.
2033 * include/pstl/unseq_backend_simd.h: Likewise.
2034 * include/pstl/glue_execution_defs.h: Likewise.
2035 * include/pstl/algorithm_impl.h: Likewise.
2036 * include/pstl/parallel_impl.h: Likewise.
2037 * include/pstl/memory_impl.h: Likewise.
2038 * include/pstl/glue_numeric_defs.h: Likewise.
2039 * include/pstl/parallel_backend_utils.h: Likewise.
2040 * include/pstl/glue_algorithm_defs.h: Likewise.
2041 * include/pstl/parallel_backend.h: Likewise.
2042 * include/pstl/glue_numeric_impl.h: Likewise.
2043 * include/pstl/parallel_backend_tbb.h: Likewise.
2044 * include/pstl/numeric_fwd.h: Likewise.
2045 * include/pstl/glue_algorithm_impl.h: Likewise.
2046 * include/pstl/execution_impl.h: Likewise.
2047 * include/pstl/pstl_config.h: Likewise.
2048 * testsuite/util/pstl/pstl_test_config.h: Likewise.
2050 Synchronize libstdc++ parallel algorithms with upstream
2052 * include/pstl/algorithm_fwd.h: Synchronize with
2053 upstream PSTL project.
2054 * include/pstl/algorithm_impl.h: Likewise.
2055 * include/pstl/execution_defs.h: Likewise.
2056 * include/pstl/execution_impl.h: Likewise.
2057 * include/pstl/glue_algorithm_impl.h: Likewise.
2058 * include/pstl/glue_execution_defs.h: Likewise.
2059 * include/pstl/numeric_fwd.h: Likewise.
2060 * include/pstl/numeric_impl.h: Likewise.
2061 * include/pstl/parallel_backend.h: Likewise.
2062 * include/pstl/pstl_config.h: Likewise.
2063 * include/pstl/unseq_backend_simd.h: Likewise.
2064 * include/pstl/parallel_backend_serial.h: New file.
2065 * include/Makefile.am (pstl_headers): Add
2066 parallel_backend_serial.h.
2067 * include/Makefile.in: Regenerate.
2069 Clean up non-conforming names
2070 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
2071 Uglfiy copy_range1 and copy_range2
2072 (__pattern_walk2_n): Rename local n to __n
2073 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
2074 Rename parameter _T to _Tp.
2076 Integrate non-TBB serial backend support
2077 * include/bits/c++config: Adjust TBB detection logic to select serial
2078 PSTL backend if no TBB present.
2079 * testsuite/utils/pstl/test_utils.h: Remove check for
2080 _PSTL_USE_PAR_POLICIES
2082 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
2084 * testsuite/24_iterators/container_access.cc: Move dg-options before
2085 dg-do directive so the target check uses the -std option.
2088 * configure: Regenerate.
2089 * src/Makefile.am (stamp-debug): Also test for missing makefile.
2090 * src/Makefile.in: Regenerate.
2092 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
2094 * include/std/array: Do not include <stdexcept>.
2095 * include/std/optional: Include <exception> and
2096 <bits/exception_defines.h> instead of <stdexcept>.
2097 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
2099 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
2101 * testsuite/23_containers/map/erasure.cc: Include <string>.
2102 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2104 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
2105 dg-prune-output for different C++98 diagnostic.
2106 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
2108 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
2110 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
2112 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
2114 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
2116 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
2118 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
2120 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
2122 * testsuite/23_containers/vector/requirements/dr438/
2123 constructor_1_neg.cc: Likewise.
2124 * testsuite/23_containers/vector/requirements/dr438/
2125 constructor_2_neg.cc: Likewise.
2126 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
2128 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
2130 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
2131 Do not test allocator rebinding extension for C++2a.
2132 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2133 dg-do directive for C++17 and C++2a.
2135 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2136 1_c++0x.cc: Remove redundant test.
2137 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2138 2.cc: Use target selector instead of preprocessor condition.
2139 * testsuite/23_containers/deque/requirements/explicit_instantiation/
2140 3.cc: Do not run test for C++2a.
2141 * testsuite/23_containers/forward_list/requirements/
2142 explicit_instantiation/3.cc: Likewise.
2143 * testsuite/23_containers/forward_list/requirements/
2144 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2146 * testsuite/23_containers/list/requirements/explicit_instantiation/
2147 1_c++0x.cc: Remove redundant test.
2148 * testsuite/23_containers/list/requirements/explicit_instantiation/
2149 2.cc: Use target selector instead of preprocessor condition.
2150 * testsuite/23_containers/list/requirements/explicit_instantiation/
2151 3.cc: Do not run test for C++2a.
2152 * testsuite/23_containers/list/requirements/explicit_instantiation/
2153 5.cc: Do not test allocator rebinding extension for C++2a.
2154 * testsuite/23_containers/map/requirements/explicit_instantiation/
2155 1_c++0x.cc: Remove redundant test.
2156 * testsuite/23_containers/map/requirements/explicit_instantiation/
2157 2.cc: Adjust comment.
2158 * testsuite/23_containers/map/requirements/explicit_instantiation/
2159 3.cc: Do not run test for C++2a.
2160 * testsuite/23_containers/map/requirements/explicit_instantiation/
2161 5.cc: Do not test allocator rebinding extension for C++2a.
2162 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2163 1_c++0x.cc: Remove redundant test.
2164 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2165 3.cc: Do not run test for C++2a.
2166 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
2167 5.cc: Do not test allocator rebinding extension for C++2a.
2168 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2169 3.cc: Do not run test for C++2a.
2170 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
2171 5.cc: Do not test allocator rebinding extension for C++2a.
2172 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
2173 Do not run test for C++2a.
2174 * testsuite/23_containers/set/requirements/explicit_instantiation/
2175 1_c++0x.cc: Remove redundant test.
2176 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
2177 Do not test allocator rebinding extension for C++2a.
2178 * testsuite/23_containers/unordered_map/requirements/
2179 explicit_instantiation/3.cc: Likewise.
2180 * testsuite/23_containers/unordered_map/requirements/
2181 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2183 * testsuite/23_containers/unordered_multimap/requirements/
2184 explicit_instantiation/3.cc: Do not run test for C++2a.
2185 * testsuite/23_containers/unordered_multimap/requirements/
2186 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2188 * testsuite/23_containers/unordered_multiset/requirements/
2189 explicit_instantiation/3.cc: Do not run test for C++2a.
2190 * testsuite/23_containers/unordered_multiset/requirements/
2191 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2193 * testsuite/23_containers/unordered_set/requirements/
2194 explicit_instantiation/3.cc: Do not run test for C++2a.
2195 * testsuite/23_containers/unordered_set/requirements/
2196 explicit_instantiation/5.cc: Do not test allocator rebinding extension
2198 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2199 2.cc: Remove redundant test.
2200 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
2201 3.cc: Do not run test for C++2a.
2202 * testsuite/23_containers/vector/requirements/explicit_instantiation/
2205 * include/std/type_traits (is_empty, is_polymorphic, is_final)
2206 (is_abstract, is_aggregate): Remove static_assert.
2207 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
2209 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
2210 missing -std=gnu++17 option.
2211 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
2212 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
2213 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
2216 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
2217 * testsuite/18_support/set_unexpected.cc: Likewise.
2218 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
2220 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
2221 function to be valid in C++11.
2222 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
2223 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
2224 include Library Fundamentals or Networking headers in C++11 mode.
2225 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
2227 * include/std/tuple (_TC): Replace with _TupleConstraints.
2228 (_TupleConstraints): New helper for SFINAE constraints, with more
2229 expressive member functions to reduce duplication when used.
2230 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
2231 (tuple::_TCC): Replace dummy type parameter with bool non-type
2232 parameter that can be used to check the pack size.
2233 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
2234 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
2235 checking constraints in constructors.
2236 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
2238 (tuple::tuple): Use new helpers to reduce repitition in constraints.
2239 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
2240 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
2241 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
2242 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
2243 constraints in constructors.
2244 (tuple::__is_alloc_arg()): New SFINAE helpers.
2245 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
2247 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
2248 * testsuite/20_util/tuple/cons/90700.cc: New test.
2249 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
2250 to meet new constraint on allocator-extended default constructor.
2252 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2254 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
2255 * include/bits/stl_multimap.h (multimap): Likewise.
2257 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
2259 Rename variables and cleanup comments.
2260 * include/bits/hashtable_policy.h
2261 * include/bits/hashtable.h
2263 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
2265 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
2266 Fix bgcolor for P0340R3.
2267 * doc/html/*: Regenerate.
2270 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
2271 <experimental/memory_resource>.
2272 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
2273 P0339R6, P0340R3, P1164R1 and P1357R1.
2274 * doc/html/*: Regenerate.
2276 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
2277 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
2278 allocator::value_type assertion for C++2a.
2279 * include/bits/hashtable.h: Likewise.
2280 * include/bits/stl_deque.h: Likewise.
2281 * include/bits/stl_list.h: Likewise.
2282 * include/bits/stl_map.h: Likewise.
2283 * include/bits/stl_multimap.h: Likewise.
2284 * include/bits/stl_multiset.h: Likewise.
2285 * include/bits/stl_set.h: Likewise.
2286 * include/bits/stl_vector.h: Likewise.
2287 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
2288 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
2289 * testsuite/23_containers/list/48101-3_neg.cc: New test.
2290 * testsuite/23_containers/map/48101-3_neg.cc: New test.
2291 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
2292 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
2293 * testsuite/23_containers/set/48101-3_neg.cc: New test.
2294 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
2295 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
2296 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
2297 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
2298 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
2300 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
2302 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
2304 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2306 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
2308 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
2310 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
2312 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2314 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
2317 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
2318 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
2319 * libsupc++/eh_term_handler.h: New header defining
2320 _GLIBCXX_DEFAULT_TERM_HANDLER.
2321 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
2322 (set_terminate): Restore default handler when argument is null.
2323 (set_unexpected): Likewise.
2324 * testsuite/18_support/set_terminate.cc: New test.
2325 * testsuite/18_support/set_unexpected.cc: New test.
2327 * include/backward/hashtable.h (size_t, ptrdiff_t)
2328 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
2329 (distance, vector, pair, __iterator_category): Remove
2330 using-declarations that add these names to namespace __gnu_cxx.
2331 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
2332 * include/ext/debug_allocator.h (size_t): Likewise.
2333 * include/ext/functional (size_t, unary_function, binary_function)
2334 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
2336 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
2337 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
2338 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
2339 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
2340 * include/ext/numeric (iota): Fix outdated comment.
2341 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
2342 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
2343 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
2344 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
2345 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
2347 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
2348 (allocator, __true_type, __false_type): Likewise.
2350 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
2353 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
2354 New helpers for checking preconditions in traits.
2355 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
2356 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
2357 (is_destructible, is_nothrow_destructible, is_constructible)
2358 (is_default_constructible, is_copy_constructible)
2359 (is_move_constructible, is_nothrow_default_constructible)
2360 (is_nothrow_constructible, is_nothrow_copy_constructible)
2361 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
2362 (is_nothrow_assignable, is_nothrow_copy_assignable)
2363 (is_nothrow_move_assignable, is_trivially_constructible)
2364 (is_trivially_copy_constructible, is_trivially_move_constructible)
2365 is_trivially_assignable, is_trivially_copy_assignable)
2366 (is_trivially_move_assignable, is_trivially_destructible)
2367 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
2368 (is_invocable_r, is_nothrow_invocable)
2369 (has_unique_object_representations, is_aggregate): Add static_asserts
2370 to make sure that type traits are not misused with incomplete types.
2371 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
2372 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
2373 base characteristics without assertions that can be reused in other
2375 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
2376 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
2378 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
2379 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
2380 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
2381 * testsuite/20_util/is_class/value.cc: Check incomplete type.
2382 * testsuite/20_util/is_function/value.cc: Likewise.
2383 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
2384 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
2386 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
2387 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
2388 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2389 * testsuite/20_util/is_union/value.cc: Likewise.
2390 * testsuite/20_util/is_void/value.cc: Likewise.
2391 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
2393 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2395 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
2396 Add new private member function.
2397 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
2398 (random_device::_M_init_pretr1(const string&)): Call new private
2399 member with string data.
2400 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
2402 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
2403 test using COW strings.
2404 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
2405 a value from the device.
2406 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
2407 Fix typo in token string.
2409 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
2411 LWG2788 basic_string spurious use of a default constructible allocator
2412 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
2413 (basic_string::_M_replace_dispatch): Construct temporary string with
2414 the current allocator.
2415 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
2416 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
2418 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
2420 * doc/xml/manual/diagnostics.xml: Update list of headers that define
2422 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
2423 section about new/delete overloads. Improve section on verbose
2425 * doc/html/*: Regenerate.
2427 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
2428 P0811R3. Change status of P1353R0.
2429 * doc/html/*: Regenerate.
2431 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
2432 documentation of implementation-defined types for [thread.req.native].
2433 * doc/xml/manual/status_cxx2017.xml: Update documentation of
2434 implementation-defined strings for [variant.bad.access]. Fix typo in
2435 documentation of implementation-defined support for [fs.conform.9945].
2436 * doc/html/*: Regenerate.
2438 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
2441 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
2442 that fails on mingw-w64.
2445 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
2446 (status(const path&, error_code&)): Use parent_path() to remove
2448 (symlink_status(const path&, error_code&)): Duplicate workaround for
2449 bug in _wstat for paths with trailing slash.
2450 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
2451 with trailing slash.
2452 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2453 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2455 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
2456 once instead of building it iteratively.
2458 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
2460 PR libstdc++/85494 use rdseed and rand_s in std::random_device
2461 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
2462 the assembler supports rdseed.
2463 * config.h.in: Regenerate.
2464 * configure: Regenerate.
2465 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
2466 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
2467 * doc/html/*: Regenerate.
2468 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
2469 * include/bits/random.h (random_device::random_device()): Always call
2470 _M_init rather than _M_init_pretr1.
2471 (random_device::random_device(const string&)): Likewise.
2472 (random_device::operator()()): Always call _M_getval().
2473 (random_device::_M_file): Replace first member of union with an
2474 anonymous struct, with _M_file as its first member.
2475 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
2476 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
2477 (USE_MT19937): Define if none of the above are defined.
2478 (USE_POSIX_FILE_IO): Define.
2479 (_M_strtoul): Remove.
2480 [USE_RDSEED] (__x86_rdseed): Define new function.
2481 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
2482 (random_device::_M_init(const string&)): Initialize new union members.
2483 Add support for "rdseed" and "rand_s" tokens. Decide what the
2484 "default" token does according to which USE_* macros are defined.
2485 [USE_POSIX_FILE_IO]: Store a file descriptor.
2486 [USE_MT19937]: Forward to _M_init_pretr1 instead.
2487 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
2488 code from _M_strtoul.
2489 [!USE_MT19937]: Call _M_init, transforming the old default token or
2490 numeric tokens to "default".
2491 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
2492 (random_device::_M_getval()): Use new union members to obtain a
2493 random number from the stored function pointer or file descriptor.
2494 [USE_MT19937]: Obtain a value from the mt19937 engine.
2495 (random_device::_M_getval_pretr1()): Call _M_getval().
2496 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
2498 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
2499 * testsuite/26_numerics/random/random_device/85494.cc: New test.
2501 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
2504 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
2505 _M_split_cmpts() for a path with multiple components.
2506 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
2507 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
2508 components and reserve space in vector. Return early when there is
2510 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
2511 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
2513 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
2514 form of std::equals for C++11 compatibility.
2516 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
2518 * doc/xml/manual/appendix_contributing.xml: Update pointer to
2519 C++ standard at ansi.org.
2521 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
2523 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
2524 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
2527 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
2528 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
2530 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2532 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
2534 * testsuite/20_util/function_objects/invoke/3.cc: New test.
2535 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2536 "compile" test to "run".
2538 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
2539 * doc/html/*: Regenerate.
2540 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
2541 rvalue aliasing constructor.
2542 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
2543 (reinterpret_pointer_cast): Add overloads taking rvalues.
2544 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
2545 Add rvalue aliasing constructor.
2546 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
2547 "run" and check return values as well as types.
2548 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
2549 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
2550 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
2551 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
2554 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
2555 * doc/xml/manual/intro.xml: Likewise.
2556 * include/std/future (__create_task_state): Add default arguments
2557 to make providing an allocator optional.
2558 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
2559 instead of delegating to another constructor.
2560 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
2561 define allocator-extended constructors for C++17 and later.
2562 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
2564 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2565 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2566 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2568 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
2570 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
2571 Don't run the libstdc++/83237 part on simulator targets.
2573 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2575 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
2577 * doc/html/*: Regenerate.
2579 * include/experimental/any (__any_caster): Use RTTI if comparing
2580 addresses fails, to support non-unique addresses in shared libraries.
2581 * include/std/any (__any_caster): Likewise.
2584 * include/experimental/any (__any_caster): Constrain to only be
2585 callable for object types. Use remove_cv_t instead of decay_t.
2586 If the type decays or isn't copy constructible, compare the manager
2587 function to a dummy specialization.
2588 (__any_caster): Add overload constrained for non-object types.
2589 (any::_Manager_internal<_Op>): Add dummy specialization.
2590 * testsuite/experimental/any/misc/any_cast.cc: Test function types
2593 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
2596 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
2597 reversed arguments to uninitialized_copy_n.
2598 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
2599 is unchanged by copy assignment.
2600 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
2601 compare path components.
2604 * include/experimental/memory_resource: Add system header pragma and
2605 do not define anything unless compiled as C++14 or later.
2606 (__resource_adaptor_common::__guaranteed_alignment): Remove.
2607 (__resource_adaptor_imp::do_allocate): If the requested alignment
2608 is a fundamental alignment then either allocate directly from _M_alloc
2609 or call the new _M_allocate function.
2610 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
2611 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
2612 of the allocator rebound to a POD type with the specified alignment.
2613 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
2614 * testsuite/experimental/memory_resource/new_delete_resource.cc:
2615 Adjust expected allocation sizes.
2616 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
2617 xfail for Solaris x86.
2619 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
2621 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
2622 * include/pstl/execution_defs.h (__enable_if_execution_policy):
2623 Use std::__remove_cvref_t when building with GCC.
2625 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
2628 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2629 Use "additional_flags" to pass -ltbb to v3_target_compile command.
2630 Use check_v3_target_prop_cached to cache the result of the test.
2632 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
2634 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2637 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2638 Changed v3_target_compile check from preprocess to executable.
2639 Added "-ltbb" to v3_target_compile flags.
2641 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2643 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2644 Add check for Thread Building Blocks 2018 or later.
2646 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2648 * testsuite/experimental/names.cc: Only include Networking TS headers
2649 on targets with the necessary Gthreads support.
2651 2019-05-20 Marek Polacek <polacek@redhat.com>
2653 CWG 2094 - volatile scalars are trivially copyable.
2655 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
2656 result for volatile int.
2658 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2660 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
2661 * testsuite/experimental/names.cc: Include <experimental/filesystem>
2664 PR c++/90532 Ensure __is_constructible(T[]) is false
2665 * include/std/type_traits (__do_is_default_constructible_impl)
2666 (__is_default_constructible_atom, __is_default_constructible_safe):
2668 (is_default_constructible): Use is_constructible.
2669 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
2670 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
2671 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
2672 * testsuite/20_util/is_trivially_default_constructible/value.cc:
2675 2019-05-20 Pádraig Brady <pbrady@fb.com>
2677 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
2678 to the deallocator with -fsized-deallocation.
2680 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2682 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
2683 test by passing correct alignment to deallocate function.
2685 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
2688 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2689 Raise exception if unique_ptr tuple member has unknown structure.
2690 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
2691 Adjust worker to support new __uniq_ptr_data base class. Do not
2692 assume field called _M_head_impl is the first tuple element.
2694 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2696 * include/bits/stl_deque.h
2697 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
2698 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
2699 (_Deque_base::_Deque_impl_data): New.
2700 (_Deque_base::_Deque_impl): Inherit latter.
2701 (_Deque_base::_Deque_impl::_M_swap_data): Move...
2702 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
2703 (_Deque_base::_Deque_impl()): Add noexcept qualification.
2704 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
2705 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
2706 (deque<>::deque()): Default.
2707 (deque<>::deque(deque&&)): Default.
2708 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
2709 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
2710 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
2711 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
2712 _M_range_initialize.
2713 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
2714 (deque<>::resize(size_type, const value_type&)): Share a single
2716 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
2717 _M_range_insert_aux.
2718 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
2719 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
2720 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
2721 * testsuite/23_containers/deque/allocator/default_init.cc: New.
2723 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
2726 * include/std/variant (holds_alternative, get, get_if): Improve
2727 static assertion messages.
2728 (bad_variant_access::bad_variant_access()): Change default message.
2729 (__throw_bad_variant_access(bool)): New overload.
2730 (get): Use new overload.
2731 (visit, visit<R>): Improve exception message.
2733 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
2734 targets. Add more cases from P0608R3.
2735 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
2737 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
2738 * include/experimental/type_traits (is_detected_exact)
2739 (is_detected_exact_v): Likewise.
2740 * include/pstl/execution_defs.h (is_execution_policy)
2741 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
2742 * include/pstl/execution_impl.h (__policy_traits): Likewise.
2743 * testsuite/17_intro/names.cc: Check for more non-reserved names.
2744 * testsuite/experimental/names.cc: New test.
2747 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
2748 assertions from the destructor.
2749 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
2750 Move static_assert for hash function to here.
2751 (_Hash_table_base::_M_equals): Move static_assert for equality
2753 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
2755 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
2756 the value directly instead of calling _S_value.
2757 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
2758 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
2759 _S_key(_Const_Link_type).
2760 * testsuite/23_containers/set/85965.cc: Check construction,
2761 destruction, assignment and size() do not trigger the assertions.
2762 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
2763 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
2765 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2766 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
2767 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2768 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2769 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2770 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2771 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2773 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
2774 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
2777 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
2779 * doc/html/*: Regenerate.
2780 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
2781 of decay_t (P0777R1).
2783 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2785 Move from state of allocators (LWG2593)
2786 * include/bits/stl_deque.h
2787 (_Deque_base(_Deque_base&&, false_type)): Remove.
2788 (_Deque_base(_Deque_base&&, true_type)): Remove.
2789 (_Deque_base(_Deque_base&&)): Adapt.
2790 (_Deque_base::_M_move_impl()): Remove.
2791 * testsuite/util/testsuite_allocator.h
2792 (propagating_allocator(propagating_allocator&&)): Preserve move from
2794 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
2796 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
2798 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
2799 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
2800 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
2802 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
2804 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
2805 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
2807 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
2809 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
2811 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
2813 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
2815 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
2817 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
2819 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
2822 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
2824 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
2825 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
2827 * include/std/variant (__overload_set): Remove.
2829 (_Build_FUN): New class template to define a single FUN overload,
2830 with specializations to prevent unwanted conversions, as per P0608R3.
2831 (_Build_FUNs): New class template to build an overload set of FUN.
2832 (_FUN_type): New alias template to perform overload resolution.
2833 (__accepted_type): Use integer_constant base for failure case. Use
2834 _FUN_type for successful case.
2835 (variant::__accepted_index): Use _Tp instead of _Tp&&.
2836 (variant::variant(_Tp&&)): Likewise.
2837 (variant::operator=(_Tp&&)): Likewise.
2839 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
2840 Replace raw visitation with a runtime check for the valueless state
2841 and a non-raw visitor.
2842 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
2843 (variant::index()): Remove branch.
2844 (variant::swap(variant&)): Use valueless_by_exception() instead of
2845 comparing the index to variant_npos, and add likelihood attribute.
2847 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
2848 (_Hashtable_base::_Equal_hash_code): Define new class template.
2849 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
2852 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
2853 Replace with _M_get non-static member function.
2854 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
2856 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
2857 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
2859 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
2860 _S_get accessors for members in EBO helpers.
2861 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
2862 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
2864 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
2866 (_Hashtable_base::_M_eq()): Remove non-const overload.
2868 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
2870 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
2872 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2874 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
2877 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2879 * config/os/solaris/solaris2.10: Move to ...
2880 * config/os/solaris: ... this.
2881 * configure.host (os_include_dir): Adapt.
2882 (abi_baseline_pair): Remove Solaris 10 handling.
2883 * config/abi/post/i386-solaris2.10: Remove.
2884 * config/abi/post/sparc-solaris2.10: Remove.
2885 * config/abi/post/i386-solaris2.11: Rename to ...
2886 * config/abi/post/i386-solaris: ... this.
2887 * config/abi/post/sparc-solaris2.11: Rename to ...
2888 * config/abi/post/sparc-solaris: ... this.
2890 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
2893 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
2896 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2898 * include/std/variant (__visit_with_index): Remove typedef.
2899 (__deduce_visit_result): New tag type.
2900 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
2901 visitation of possibly-valueless variants, forwarding to __do_visit
2902 with the relevant tag type.
2903 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
2904 and make lambda return void.
2905 (__variant_construct): Likewise.
2906 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
2907 __raw_idx_visit and make lambda return void.
2908 (_Multi_array::__untag_result): Add metafunction to check the function
2909 pointer type for a tag type that dictates the kind of visitation.
2910 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
2911 Use decltype(auto) instead of tagged function pointer type.
2912 (__gen_vtable_impl): Remove bool non-type parameter and unused
2913 _Variant_tuple parameter.
2914 (__gen_vtable_impl::__visit_invoke_impl): Remove.
2915 (__gen_vtable_impl::__do_visit_invoke): Remove.
2916 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
2917 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
2918 for the visit<R> case, rather than dispatching to separate functions.
2919 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
2921 (variant::swap): Likewise.
2922 (__do_visit): Replace two non-type template parameters with a single
2923 type parameter, so that the caller must specify the visitor's return
2924 type (or one of the tag types).
2925 (visit): Deduce a return type from the visitor and use the
2926 __deduce_visit_result tag to enforce that all overloads return the
2928 (visit<R>): Call __do_visit<R> with explicit result type.
2929 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
2932 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2934 nonesuch is insufficiently useless (lwg2996)
2935 * include/std/type_traits (struct __nonesuch): Added private base
2936 class to make __nonesuch not an aggregate and removed deleted default
2938 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
2939 (operator=(const pair&)): Use __nonesuch instead of
2940 __nonesuch_no_braces.
2941 (operator=(pair&&)): Likewise
2942 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
2943 of __nonesuch_no_braces.
2944 (operator=(tuple&&)): Likewise
2945 * include/experimental/type_traits (struct nonesuch): Added private
2946 base class to make nonesuch not an aggregate and removed deleted
2947 default constructor.
2948 * testsuite/20_util/nonesuch/nonesuch.cc: New.
2949 * testsuite/experimental/type_traits/nonesuch.cc: New.
2951 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2953 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
2954 (_Function_handler): Remove partial specializations for void return
2955 types and pointers to member.
2956 (_Function_handler::_M_manager): Adapt to removal of
2957 _Simple_type_wrapper.
2958 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
2959 * include/std/functional (_Bind_result::__enable_if_void)
2960 (_Bind_result::__disable_if_void): Remove sfinae helpers.
2961 (_Bind_result::__call): Use __invoke_r and remove overloads for void
2963 * include/std/future (__future_base::_Task_state::_M_run)
2964 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
2965 change return type of lambda expressions.
2967 * include/bits/invoke.h (__invoke_r): Define new function implementing
2968 the INVOKE<R> pseudo-function.
2969 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
2970 * testsuite/20_util/function_objects/invoke/2.cc: New test.
2972 * include/std/type_traits (__is_nt_convertible_helper): Define it
2973 unconditionally, not only for C++20.
2974 (__is_nothrow_convertible): Define internal trait for use in C++11.
2975 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
2976 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
2977 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
2978 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
2979 that has nothrow explicit conversion but potentially-throwing implicit
2981 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
2982 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
2983 function to only consider implicit conversions.
2984 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
2986 * include/std/iterator: Include <iosfwd> instead of <istream> and
2989 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
2990 Remove unused, non-standard function.
2992 * include/bits/regex.h (match_results::max_size()): Adjust return
2993 value to account for prefix/suffix/unmatched subs.
2994 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
2995 reset the contained sub matches.
2996 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
2997 function to set result state following a failed match.
2998 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
2999 sub_match states after _M_resize. Use _M_establish_failed_match.
3002 * include/std/thread (thread::_State_impl, thread::_S_make_state):
3003 Replace single _Callable parameter with variadic _Args pack, to
3004 forward them directly to the tuple of decayed copies.
3005 * testsuite/30_threads/thread/cons/69724.cc: New test.
3007 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
3009 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
3010 * include/bits/basic_string.h: (operator=(const basic_string&):
3011 Move allocator decision to assign.
3012 (assign(const basic_string&)): Move allocator decision here.
3013 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
3015 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
3018 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3020 * testsuite/util/testsuite_allocator.h (memory_resource)
3021 (default_resource_mgr): Fix indentation.
3023 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
3024 Use operator-> to access raw pointer member.
3025 * testsuite/23_containers/vector/59829.cc: Likewise.
3026 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
3027 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
3028 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
3030 (PointerBase, PointerBase_void): Derive from NullablePointer and use
3031 its constructors and equality operators. Change converting
3032 constructors to use operator-> to access private member of the other
3034 (PointerBase_void::operator->()): Add, for access to private member.
3035 (operator-(PointerBase, PointerBase)): Change to hidden friend.
3036 (operator==(PointerBase, PointerBase)): Remove.
3037 (operator!=(PointerBase, PointerBase)): Remove.
3039 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
3040 not assume field called _M_head_impl is the first tuple element.
3041 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
3042 implementation more accurate.
3043 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
3044 empty pointer type and non-empty deleter.
3046 LWG 2899 - Make is_move_constructible correct for unique_ptr
3047 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
3048 move assignment operator.
3049 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
3050 (__uniq_ptr_data): New class template with conditionally deleted
3052 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
3053 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
3054 constructor and move assignment operator as defaulted.
3055 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
3056 __uniq_ptr_impl::release().
3057 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
3058 to __uniq_ptr_impl::reset(pointer).
3059 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
3060 Check for new __uniq_ptr_data type.
3061 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
3063 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3065 PR libstdc++/90454.cc path construction from void*
3066 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
3067 pointers to void are rejected as well as void.
3068 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
3069 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
3071 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
3073 * doc/xml/manual/policy_data_structures.xml: Comment out stray
3074 <remark> elements. Fix formatting of bibliography references.
3076 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
3078 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
3080 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3082 Remove Profile Mode, deprecated since 7.1.0
3083 * doc/Makefile.am: Remove XML file for profile mode docs.
3084 * doc/Makefile.in: Regenerate.
3085 * doc/xml/authors.xml: Remove authors of profile mode docs.
3086 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
3088 * doc/xml/manual/debug.xml: Likewise.
3089 * doc/xml/manual/evolution.xml: Document removal of profile mode.
3090 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
3091 * doc/xml/manual/spine.xml: Remove profile mode author credit.
3092 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
3094 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
3096 * doc/html/*: Regenerate.
3097 * include/Makefile.am: Remove profile mode headers.
3098 * include/Makefile.in: Regenerate.
3099 * include/bits/c++config (std::__profile): Remove namespace.
3100 [_GLIBCXX_PROFILE]: Remove checks for macro.
3101 * include/profile/array: Remove.
3102 * include/profile/base.h: Remove.
3103 * include/profile/bitset: Remove.
3104 * include/profile/deque: Remove.
3105 * include/profile/forward_list: Remove.
3106 * include/profile/impl/profiler.h: Remove.
3107 * include/profile/impl/profiler_algos.h: Remove.
3108 * include/profile/impl/profiler_container_size.h: Remove.
3109 * include/profile/impl/profiler_hash_func.h: Remove.
3110 * include/profile/impl/profiler_hashtable_size.h: Remove.
3111 * include/profile/impl/profiler_list_to_slist.h: Remove.
3112 * include/profile/impl/profiler_list_to_vector.h: Remove.
3113 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
3114 * include/profile/impl/profiler_node.h: Remove.
3115 * include/profile/impl/profiler_state.h: Remove.
3116 * include/profile/impl/profiler_trace.h: Remove.
3117 * include/profile/impl/profiler_vector_size.h: Remove.
3118 * include/profile/impl/profiler_vector_to_list.h: Remove.
3119 * include/profile/iterator_tracker.h: Remove.
3120 * include/profile/list: Remove.
3121 * include/profile/map: Remove.
3122 * include/profile/map.h: Remove.
3123 * include/profile/multimap.h: Remove.
3124 * include/profile/multiset.h: Remove.
3125 * include/profile/ordered_base.h: Remove.
3126 * include/profile/set: Remove.
3127 * include/profile/set.h: Remove.
3128 * include/profile/unordered_base.h: Remove.
3129 * include/profile/unordered_map: Remove.
3130 * include/profile/unordered_set: Remove.
3131 * include/profile/vector: Remove.
3132 * scripts/run_doxygen: Do not process profile mode headers.
3133 * testsuite/23_containers/array/element_access/60497.cc: Don't use
3135 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
3136 Remove dg-skip-if for profile mode.
3137 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
3138 preprocessor check for profile mode.
3139 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
3140 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
3142 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
3144 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
3145 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
3146 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
3147 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
3148 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
3150 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
3152 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
3154 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
3156 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
3157 preprocessor check for profile mode.
3158 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
3160 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
3161 Remove dg-skip-if for profile mode.
3162 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
3163 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
3164 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
3165 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
3166 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
3167 * testsuite/Makefile.am: Remove profile_flags variable and
3168 * testsuite/Makefile.am: Remove profile_flags variable and
3169 check-profile target.
3170 * testsuite/Makefile.in: Regenerate.
3171 * testsuite/ext/profile/all.cc: Remove.
3172 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
3173 * testsuite/ext/profile/profiler_algos.cc: Remove.
3174 * testsuite/ext/profile/replace_new.cc: Remove.
3175 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
3176 preprocessor check for profile mode.
3177 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
3178 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
3179 (check_v3_target_normal_mode): Do not check for profile mode macro.
3180 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
3182 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
3183 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3184 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3185 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
3186 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
3187 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3188 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3189 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3190 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3191 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3193 Remove array_allocator extension, deprecated since 4.9.0
3194 * doc/xml/manual/allocator.xml: Remove documentation for
3196 * doc/xml/manual/evolution.xml: Document array_allocator removal.
3197 * doc/xml/manual/using.xml: Remove header from documentation.
3198 * include/Makefile.am: Remove <ext/array_allocator.h> header.
3199 * include/Makefile.in: Regenerate.
3200 * include/ext/array_allocator.h: Remove.
3201 * include/precompiled/extc++.h: Do not include removed header.
3202 * testsuite/ext/array_allocator/1.cc: Remove.
3203 * testsuite/ext/array_allocator/2.cc: Remove.
3204 * testsuite/ext/array_allocator/26875.cc: Remove.
3205 * testsuite/ext/array_allocator/3.cc: Remove.
3206 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
3207 * testsuite/ext/array_allocator/check_delete.cc: Remove.
3208 * testsuite/ext/array_allocator/check_new.cc: Remove.
3209 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
3210 * testsuite/ext/headers.cc: Do not include removed header.
3212 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
3214 * include/bits/stl_bvector.h
3215 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3217 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3219 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3221 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3223 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3225 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3227 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
3229 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
3231 (_Bit_iterator::operator-(difference_type)): Likewise.
3232 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
3233 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
3235 (_Bit_const_iterator::operator-(difference_type)): Likewise.
3236 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
3238 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
3241 * testsuite/util/thread/all.h: Do not use remove_pointer for
3242 std::thread::native_handle_type.
3245 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
3246 (_Variant_storage<true, Types...>::_M_reset()))
3247 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
3248 (__get_storage): Likewise.
3249 (variant): Add noexcept to friend declarations for __get and
3253 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
3254 Use _Require for constraints.
3255 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
3257 (__uniq_ptr_hash): New base class with conditionally-disabled call
3259 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
3260 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
3261 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
3263 * include/bits/shared_ptr.h: Improve docs.
3264 * include/bits/shared_ptr_base.h: Likewise.
3265 * include/bits/stl_uninitialized.h: Likewise.
3266 * include/bits/unique_ptr.h: Likewise.
3267 * libsupc++/new: Likewise.
3269 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
3271 * include/bits/stl_deque.h
3272 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3274 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3276 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3278 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3280 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3282 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
3284 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
3286 (_Deque_iterator<>::operator-(difference_type)): Likewise.
3288 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
3291 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
3292 (test01): Reserve for number of insertions to avoid rehash during test.
3293 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3295 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3300 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
3302 * include/experimental/bits/fs_path.h: Improve docs.
3303 * include/experimental/bits/net.h: Fix wrong header name in comment.
3304 Do not document implementation details.
3305 * include/experimental/netfwd: Fix doxygen grouping.
3307 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3309 * include/bits/stl_pair.h: Improve docs.
3310 * include/std/tuple: Likewise.
3312 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
3314 * include/std/chrono: Improve docs.
3315 * include/std/ratio: Do not document implementation details.
3316 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
3318 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
3321 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
3322 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
3323 (__duration_common_type): New helper.
3324 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
3325 __duration_common_type.
3326 (__timepoint_common_type_wrapper): Replace with ...
3327 (__timepoint_common_type): New helper.
3328 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
3329 Use __time_point_common_type.
3330 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
3331 (__common_type_impl): If either argument is transformed by decay,
3332 use the common_type of the decayed types.
3333 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
3334 decayed, use __do_common_type_impl to get the common_type.
3335 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
3336 (__do_member_type_wrapper, __member_type_wrapper)
3337 (__expanded_common_type_wrapper): Remove.
3338 (__common_type_pack, __common_type_fold): New helpers.
3339 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
3340 __member_type_wrapper and __expanded_common_type_wrapper.
3341 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3342 Test zero-length template argument list.
3343 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3344 Test single argument cases and argument types that should decay.
3345 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3346 Adjust expected error.
3347 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
3349 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3350 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3351 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3353 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
3355 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
3357 Make allocator propagation more consistent for
3358 operator+(basic_string) (P1165R1)
3359 * include/bits/basic_string.h
3360 (operator+(basic_string&&, basic_string&&): Changed resulting
3361 allocator to always be the one from the first parameter.
3362 * include/bits/basic_string.tcc
3363 (operator+(const _CharT*, const basic_string&)): Changed
3364 resulting allocator to be SOCCC on the second parameter's allocator.
3365 (operator+(_CharT, const basic_string&)): Likewise.
3366 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
3368 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
3371 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3373 * include/bits/regex.h: Improve docs.
3374 * include/bits/regex.tcc: Do not document implementation details.
3376 * testsuite/19_diagnostics/error_code/hash.cc: New test.
3378 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
3380 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3381 Add type printer for container types in std::__debug namespace.
3382 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
3383 (gdb-tests): Use distinct parameters for the type of test and use of
3385 (gdb-test): Check for regex test even if 'whatis' test.
3386 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
3388 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3389 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3390 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3391 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3392 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3393 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3394 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3396 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
3398 * include/std/system_error (error_category): Fix comment.
3401 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
3402 argument is an empty path.
3403 (absolute(const path&, error_code&)): Use invalid_argument as error
3404 code instead of no_such_file_or_directory.
3405 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
3406 of non-existent paths and empty paths with both overloads of absolute.
3408 * include/std/system_error (error_category, error_code)
3409 (error_condition): Improve docs.
3410 * libsupc++/exception: Add missing @addtogroup Doxygen command.
3411 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
3412 to class documentation. Suppress documentation for implementation
3414 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
3415 Suppress documentation for implementation details.
3417 * include/std/system_error (error_code): Remove friend declaration
3418 for hash<error_code>.
3419 (hash<error_code>::operator()): Use public member functions to access
3421 (hash<error_condition>::operator()): Use address of category, not
3422 its object representation.
3423 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
3424 Use public member functions to access value and category.
3425 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
3427 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
3429 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
3430 * include/bits/hashtable_policy.h
3431 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
3432 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
3433 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
3434 smaller than input value rather than always greater. Preserve
3435 _M_next_resize if called with 0 input. Use __builtin_floorl.
3436 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
3437 elements + number of insertions is greater than _M_next_resize. Start
3438 with 11 buckets if not told otherwise. Use __builtin_floorl.
3439 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
3440 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
3441 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
3442 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
3443 told otherwise. Use __builtin_floorl.
3444 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
3445 to also validate _Power2_rehash_policy.
3446 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
3449 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
3452 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
3456 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
3457 overflow warning with -Wpedantic -Wsystem-headers.
3459 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
3462 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
3463 * include/bits/move.h (swap): Remove extra parentheses.
3465 * include/experimental/bits/lfts_config.h: Improve doc markup.
3466 * include/experimental/optional: Improve docs.
3467 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
3468 (__constexpr_addressof): Remove.
3469 (optional::operator->()): Use std::__addressof().
3470 * include/std/optional (optional::operator->()): Adjust whitespace.
3471 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
3472 that operator-> is still constexpr with overloaded operator&. Change
3473 to compile-only test.
3474 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
3477 * include/bits/shared_ptr.h: Improve docs.
3478 * include/bits/shared_ptr_atomic.h: Likewise.
3479 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
3481 * include/bits/basic_string.h: Fix iterator/index confusion in
3483 * include/bits/range_access.h: Fix Doxygen warnings.
3484 * include/bits/refwrap.h: Do not document implementation details.
3485 (ref, cref): Group docs with reference_wrapper.
3486 * include/std/fstream: Fix Doxygen markup.
3487 * libsupc++/initializer_list (begin, end): Group docs with
3490 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
3492 * include/bits/unique_lock.h: Fix/improve doxygen markup.
3493 * include/std/mutex: Likewise.
3494 * include/std/shared_mutex: Likewise.
3496 * include/bits/fs_dir.h: Fix/improve doxygen markup.
3497 * include/bits/fs_fwd.h: Likewise.
3498 * include/bits/fs_ops.h: Likewise.
3499 * include/bits/fs_path.h: Likewise.
3500 * include/std/filesystem: Likewise.
3502 * include/experimental/bits/net.h: Fix/improve doxygen markup.
3503 * include/experimental/buffer: Likewise.
3504 * include/experimental/executor: Likewise.
3505 * include/experimental/internet: Likewise.
3506 * include/experimental/io_context: Likewise.
3507 * include/experimental/net: Likewise.
3508 * include/experimental/netfwd: Likewise.
3509 * include/experimental/socket: Likewise.
3510 * include/experimental/timer: Likewise.
3512 * doc/doxygen/doxygroups.cc: Move description of experimental group
3514 * include/experimental/algorithm: Add to libfund-ts doc group.
3515 * include/experimental/any: Likewise. Do not document implementation
3517 * include/experimental/array: Add to libfund-ts doc group.
3518 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
3519 for Library Fundamentals.
3520 * include/experimental/chrono: Add to libfund-ts doc group.
3521 * include/experimental/deque: Likewise.
3522 * include/experimental/forward_list: Likewise.
3523 * include/experimental/functional: Likewise.
3524 * include/experimental/iterator: Likewise.
3525 * include/experimental/list: Likewise.
3526 * include/experimental/map: Likewise.
3527 * include/experimental/memory: Likewise.
3528 * include/experimental/memory_resource: Likewise. Improve docs.
3530 * include/experimental/numeric: Add to libfund-ts doc group.
3531 * include/experimental/optional: Likewise.
3532 * include/experimental/propagate_const: Likewise.
3533 * include/experimental/random: Likewise.
3534 * include/experimental/ratio: Likewise.
3535 * include/experimental/regex: Likewise.
3536 * include/experimental/set: Likewise.
3537 * include/experimental/source_location: Likewise.
3538 * include/experimental/string: Likewise.
3539 * include/experimental/string_view: Likewise.
3540 * include/experimental/system_error: Likewise.
3541 * include/experimental/tuple: Likewise.
3542 * include/experimental/type_traits: Likewise.
3543 * include/experimental/unordered_map: Likewise.
3544 * include/experimental/unordered_set: Likewise.
3545 * include/experimental/utility: Likewise.
3546 * include/experimental/vector: Likewise.
3547 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
3548 * testsuite/experimental/array/neg.cc: Adjust dg-error.
3549 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
3551 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
3552 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
3553 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
3554 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
3555 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
3557 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
3558 * include/experimental/bits/fs_fwd.h: Improve docs.
3559 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
3560 * include/experimental/bits/fs_path.h: Likewise.
3561 (path, filesystem_error, u8path): Improve docs.
3562 * include/experimental/filesystem: Link to docs for TS.
3564 * config/allocator/new_allocator_base.h (__allocator_base): Add
3565 workaround for Doxygen bug #6945.
3566 * include/std/memory: Improve docs. Define group for pointer safety.
3567 * include/std/scoped_allocator: Improve docs. Use "undocumented"
3568 conditional to suppress documentation for implementation details.
3570 * include/bits/specfun.h: Improve docs.
3571 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
3574 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
3575 (std::experimental): Add docs.
3576 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
3577 namespace to nothing when generating docs.
3578 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
3579 * include/std/chrono (std::chrono): Likewise.
3580 * include/std/functional (std::placeholders): Likewise.
3581 * include/std/thread (std::this_thread): Likewise.
3583 * include/parallel/settings.h: Fix Doxygen markup.
3585 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
3586 anything unless PB_DS_CLASS_C_DEC is defined.
3587 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
3588 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
3589 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
3590 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
3591 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
3592 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
3593 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
3595 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
3596 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
3597 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
3598 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
3599 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
3600 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
3601 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
3602 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
3603 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
3604 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
3605 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
3607 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
3608 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
3610 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
3613 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
3614 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
3615 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
3618 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3620 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
3621 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
3622 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
3623 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
3624 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
3625 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3627 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
3628 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3631 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
3634 * include/std/complex (__complex_proj): Return parameter unchanged.
3635 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
3636 floating-point types to take std::complex arguments.
3637 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
3638 floating-point types.
3639 * testsuite/26_numerics/complex/proj.cc: New test.
3641 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3643 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
3644 to _Lock_policyE[012].
3645 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3647 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
3649 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
3650 macros accidentally left in.
3651 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
3652 unnecessary -lstdc++fs option. Fix test for mingw.
3653 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3656 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3658 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3660 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
3662 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
3664 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
3665 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
3668 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
3670 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
3673 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
3674 class template and partial specialization.
3677 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
3679 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
3680 functions to convert a value to an integral type.
3681 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
3682 (fill_n): Convert _Size parameter to an integral type.
3683 * testsuite/25_algorithms/fill_n/87982.cc: New test.
3684 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
3685 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
3686 * testsuite/25_algorithms/generate_n/87982.cc: New test.
3687 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
3688 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
3690 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
3692 Adding noexcept-specification on tuple constructors (LWG 2899)
3693 * libstdc++-v3/include/std/tuple:
3694 (tuple()): Add noexcept-specification.
3695 (tuple(const _Elements&...)): Likewise
3696 (tuple(_UElements&&...)): Likewise
3697 (tuple(const tuple<_UElements...>&)): Likewise
3698 (tuple(tuple<_UElements...>&&)): Likewise
3699 (tuple(const _T1&, const _T2&)): Likewise
3700 (tuple(_U1&&, _U2&&)): Likewise
3701 (tuple(const tuple<_U1, _U2>&): Likewise
3702 (tuple(tuple<_U1, _U2>&&): Likewise
3703 (tuple(const pair<_U1, _U2>&): Likewise
3704 (tuple(pair<_U1, _U2>&&): Likewise
3705 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
3707 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
3710 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
3711 arguments with __restrict.
3713 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
3715 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3717 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
3719 * include/experimental/bits/fs_path.h
3720 (path::_S_convert_loc<_InputIterator>): Create const std::string to
3721 avoid redundant call to _S_convert_loc with non-const pointers.
3723 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
3724 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
3725 * testsuite/21_strings/basic_string/hash/hash.cc
3726 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
3727 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
3728 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
3730 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
3731 wstring::_M_replace_dispatch with more specific patterns.
3732 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
3733 Create const std::string to avoid redundant call to _S_convert_loc
3734 with non-const pointers.
3735 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
3736 avoid unnecessary basic_string::assign instantiations.
3738 * include/std/memory (__uses_alloc_args): Add string-literal to
3739 static_assert, to match the one in __uses_alloc.
3740 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
3741 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
3742 for recursive uses-allocator construction of nested pairs.
3743 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
3746 2019-04-26 Jakub Jelinek <jakub@redhat.com>
3748 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3749 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3750 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
3751 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
3753 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3754 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3755 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
3756 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3757 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3758 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3759 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3761 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
3764 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
3765 * include/std/scoped_allocator [__cplusplus > 201703L]
3766 (scoped_allocator_adaptor::construct): Define in terms of
3767 uses_allocator_construction_args, as per P0591R4.
3768 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
3769 * testsuite/util/testsuite_allocator.h: Remove name of unused
3772 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
3774 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
3775 * doc/html/*: Regenerate.
3777 * include/bits/fs_path.h (operator<, operator<=, operator>)
3778 (operator>=, operator==, operator!=): Make hidden friends, as per
3780 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
3781 string type in test.
3782 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3784 * include/std/any (any::any(ValueType&&)): Use __and_v.
3785 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
3788 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
3790 * include/std/type_traits (__result_of_memfun): Use remove_reference
3791 instead of __remove_cvref_t and remove redundant is_same check.
3792 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
3794 * include/experimental/string_view (basic_string_view::pointer)
3795 (basic_string_view::reference): Fix to refer to non-const value_type.
3796 * include/bits/basic_string.h (basic_string): Use __sv_check and
3797 __sv_limit instead of basic_string_view::_M_check and
3798 basic_string_view::_M_limit.
3799 * include/std/string_view (__sv_check, __sv_limit): New
3800 helper functions to replace basic_string_view::_M_check and
3801 basic_string_view::_M_limit.
3802 (basic_string_view): Add static assertions to enforce ill-formed
3803 requirement for traits_type::char_type from P1148R0, and to enforce
3804 required properties of char-like types.
3805 (basic_string_view::pointer, basic_string_view::reference): Fix to
3806 refer to non-const value_type.
3807 (basic_string_view::operator[], basic_string_view::at)
3808 (basic_string_view::front, basic_string_view::back)
3809 (basic_string_view::data): Use const_reference and const_pointer
3810 typedefs for return types.
3811 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
3812 (hash<wstring_view>): Fix argument_type typedef.
3813 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3814 char/1.cc: Fix expected return type of basic_string_view::data().
3815 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3816 wchar_t/1.cc: Likewise.
3817 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3818 char/1.cc: Likewise.
3819 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3820 wchar_t/1.cc: Likewise.
3821 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
3823 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
3824 Check reference and pointer typedefs.
3825 * testsuite/experimental/string_view/requirements/typedefs.cc:
3827 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
3828 Fix expected return type of basic_string_view::data().
3829 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
3831 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
3833 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
3837 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
3838 Avoid a runtime check for types that can never be stored in std::any.
3839 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3842 PR libstdc++/90220 (partial)
3843 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
3844 not attempt ill-formed static_cast to pointers to non-object types.
3845 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3848 * testsuite/20_util/variant/run.cc: Catch exception by reference to
3849 prevent -Wcatch-value warning.
3851 * include/std/variant (__variant_construct): Use template parameter
3852 type instead of equivalent decltype-specifier.
3853 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
3854 Replace forward with move.
3855 (_Move_ctor_base<false, Types...>::_M_destructive_move)
3856 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
3857 (_Move_ctor_base<true, Types...>::_M_destructive_move)
3858 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
3859 index after construction succeeds.
3860 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
3861 if-constexpr checks that are always true. Use __remove_cvref_t instead
3862 of remove_reference so that is_nothrow_move_constructible check
3863 doesn't use a const rvalue parameter. In the potentially-throwing case
3864 construct a temporary and move assign it, as per LWG 2904.
3865 (_Move_assign_base<false, Types...>::operator=): Remove redundant
3866 if-constexpr checks that are always true. Use emplace as per LWG 2904.
3867 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
3868 construct a temporary and move assign from it, as per LWG 2904.
3869 * testsuite/20_util/variant/exception_safety.cc: Check that
3870 assignment operators have strong exception safety guarantee.
3872 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
3874 Document PSTL linker flags
3876 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
3878 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3880 * include/std/variant (__detail::__variant::_Traits): Make
3881 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
3882 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
3884 (__detail::__variant::_Copy_assign_alias): Only depend on
3885 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
3886 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
3887 move assignment operators.
3890 * include/std/variant (variant::__not_self): New helper for the
3891 is_same_v<remove_cvref_t<T>, variant>==false constraints.
3892 (variant::__to_type_impl): Remove.
3893 (variant::__to_type): Add default argument to check pack size, instead
3894 of using __to_type_impl.
3895 (variant::__accepted_type): Add default argument using __not_self.
3896 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
3897 for variant(T&&) constructor constraint.
3898 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
3899 Extract __accepted_type into a named template parameter for reuse in
3900 other constraints and in the exception specification.
3901 (variant::variant(in_place_type_t<T>, Args&&...))
3902 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
3903 (variant::variant(in_place_index_t<T>, Args&&...))
3904 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
3905 (variant::operator=T&&)): Remove redundant && from trait arguments.
3906 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
3907 isn't used for in_place_type or in_place_index arguments.
3909 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
3910 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
3911 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
3913 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3914 Bernd Edlinger <bernd.edlinger@hotmail.de>
3915 Jakub Jelinek <jakub@redhat.com>
3918 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
3919 general-regs-only target attribute for ARM.
3921 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3924 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
3925 specialization also depend on is_nothrow_move_constructible.
3926 * include/std/variant (__detail::__variant::__never_valueless()):
3927 Only true if the variant would have a move assignment operator.
3928 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
3929 Check __never_valueless<T...>().
3930 (variant::emplace): Only perform non-throwing move assignments
3931 for never-valueless alternatives if the variant has a move assignment
3933 * testsuite/20_util/variant/compile.cc: Check that never-valueless
3934 types can be emplaced into non-assignable variants.
3935 * testsuite/20_util/variant/run.cc: Check that never-valueless types
3936 don't get copied when emplaced into non-assignable variants.
3938 * include/std/variant (__detail::__variant::__ref_cast): Remove
3940 (__detail::__variant::_Uninitialized::_M_get)
3941 (__detail::__variant::__get)
3942 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
3944 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
3946 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
3948 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
3949 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
3950 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
3951 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
3953 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3955 Delegate PSTL configuration to pstl/pstl_config.h
3957 * include/bits/c++config: Remove explicit PSTL configuration
3958 macros and use definitions from <pstl/pstl_config.h>.
3960 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3962 Cleanup algorithm implementations
3963 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
3965 (mismatch): Forward execution policy.
3966 (equal): Qualify call to std::equal().
3967 (partial_sort): Forward execution policy.
3968 (inplace_merge): Forward execution policy.
3970 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
3972 Improve implementation of parallel equal()
3973 * include/pstl/algorithm_impl.h
3974 (__internal::__brick_equal): use "4 iterator" version of
3976 (__internal::__brick_equal): use simd for random access
3977 iterators on unsequenced execution policies.
3978 (__internal::__pattern_equal): add "4 iterator" version
3979 (__internal::__pattern_equal): dispatch to simd __brick_equal
3980 for vector-only execution policies.
3981 (__internal::__pattern_equal): dispatch to __parallel_or for
3982 parallel execution policies.
3983 * include/pstl/glue_algorithm_impl.h
3984 (std::equal): dispatch to "4 iterator" version of
3985 __internal::__pattern_equal().
3987 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
3990 * include/bits/forward_list.h (operator==): Do not use operator!= to
3992 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
3993 earlier in the list, so that sort is stable.
3994 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
3995 * testsuite/23_containers/forward_list/comparable.cc: Test with
3996 types that meet the minimum EqualityComparable and LessThanComparable
3997 requirements. Remove irrelevant comment.
3999 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
4000 Do not depend on whether all alternative types are move constructible.
4001 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
4002 from the operand when deciding whether to perform the assignment.
4003 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
4004 with deleted move constructor and deleted move assignment operator.
4005 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
4006 behaviour of variants with DeletedMoves as an alternative.
4007 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
4008 (move_ctor, move_assign): Check that moving a variant with a
4009 DeletedMoves alternative falls back to copying instead of moving.
4011 * testsuite/20_util/variant/compile.cc: Remove empty string literals
4012 from static_assert declarations.
4014 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
4015 actually match its name.
4016 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
4017 (test_swap()): Fix result for MoveCtorOnly and check
4018 MoveCtorAndSwapOnly.
4020 * include/std/optional (optional::value_or(U&&) &&): Add missing
4021 constexpr specifier.
4022 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
4023 for disengaged optionals and rvalue optionals.
4024 * testsuite/20_util/optional/observers/4.cc: Likewise.
4026 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
4028 * include/pstl/algorithm_impl.h: Uglify identfiers.
4029 * include/pstl/numeric_impl.h: Uglify identfiers.
4030 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
4032 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
4034 * include/bits/c++config:
4035 Add definition for __PSTL_ASSERT.
4036 Add definition for __PSTL_ASSERT_MSG.
4037 * include/pstl/algorithm_impl.h: Replace use of assert().
4038 * include/pstl/numeric_impl.h: Replace use of assert().
4039 * include/pstl/parallel_backend_tbb.h:
4040 Replace use of assert().
4041 Replace use of __TBB_ASSERT().
4042 * include/pstl/parallel_backend_utils.h: Replace use of assert().
4044 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
4047 * src/c++17/memory_resource.cc
4048 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
4049 needed to allow placing a _Chunk at the end of the buffer.
4050 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
4052 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
4054 * doc/xml/faq.xml: Add information about emergency EH pool.
4055 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
4056 Move outdated information on mt_allocator to a separate section.
4057 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
4058 doesn't affect the default allocator.
4060 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
4064 * testsuite/20_util/variant/89851.cc: New test.
4066 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
4068 * include/std/variant: Adjust whitespace. Add comments.
4069 (_Multi_array): Leave primary template undefined.
4070 (_Multi_array<_Tp>): Define partial specialization for base case of
4072 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
4073 which is always a reference.
4074 (__gen_vtable::_S_apply()): Remove function, inline body into
4075 default member initializer.
4076 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
4078 * include/std/variant (__variant_idx_cookie): Add member type.
4079 (__visitor_result_type): Remove.
4080 (__do_visit): Use invoke_result instead of __visitor_result_type.
4081 * testsuite/20_util/variant/visit.cc: New test.
4084 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
4086 * testsuite/20_util/variant/90008.cc: New test.
4088 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
4090 * include/pstl/algorithm_impl.h: Add namespace qualification.
4091 * include/pstl/execution_defs.h: Add namespace qualification.
4092 * include/pstl/execution_impl.h: Add namespace qualification.
4093 * include/pstl/numeric_impl.h: Add namespace qualification.
4094 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
4095 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
4096 * include/pstl/parallel_backend_utils.h: Include <cassert>.
4098 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
4100 Fix visit<R> for variant.
4101 * include/std/variant (__do_visit): Add a template parameter
4102 for enforcing same return types for visit.
4103 (__gen_vtable_impl): Likewise.
4104 (_S_apply_single_alt): Adjust.
4105 (__visit_invoke_impl): New. Handle casting to void.
4106 (__do_visit_invoke): New. Enforces same return types.
4107 (__do_visit_invoke_r): New. Converts return types.
4108 (__visit_invoke): Adjust.
4109 (__gen_vtable): Add a template parameter for enforcing
4110 same return types for visit.
4111 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
4112 different return types.
4113 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
4114 visitors with different return types don't accidentally
4115 compile with regular visitation.
4117 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
4119 * testsuite/27_io/filesystem/iterators/caching.cc: Add
4120 dg-require-filesystem-ts.
4122 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
4124 * doc/xml/manual/status_cxx2020.xml: Update status.
4125 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
4126 * testsuite/20_util/variant/visit_r.cc: New test.
4128 * include/bits/fs_dir.h (directory_iterator::operator*)
4129 (directory_iterator::operator->): Add noexcept.
4130 (operator==, operator!=): Replace namespace-scope equality operators
4131 for directory iterators with hidden friends.
4134 * config/abi/pre/gnu.ver: Add missing exports.
4135 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
4138 * config/abi/pre/gnu.ver: Export new symbols.
4139 * include/bits/fs_dir.h (recursive_directory_iterator::options())
4140 (recursive_directory_iterator::recursion_pending())
4141 (recursive_directory_iterator::disable_recursion_pending()): Remove
4142 inline definitions. Make noexcept.
4143 (recursive_directory_iterator::depth())
4144 (recursive_directory_iterator::operator*())
4145 (recursive_directory_iterator::operator->()): Make noexcept.
4146 (recursive_directory_iterator::_M_options)
4147 (recursive_directory_iterator::_M_pending): Remove data members.
4148 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
4149 (recursive_directory_iterator::recursive_directory_iterator): Remove
4150 ctor-initializer. Use new constructor for _Dir_stack.
4151 (recursive_directory_iterator::options())
4152 (recursive_directory_iterator::recursion_pending())
4153 (recursive_directory_iterator::disable_recursion_pending()): Add
4154 non-inline definitions.
4155 (recursive_directory_iterator::depth()): Make noexcept.
4156 (recursive_directory_iterator::increment(error_code&))
4157 (recursive_directory_iterator::pop(error_code&)): Adjust to new
4158 location of options and recursion_pending members.
4159 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
4160 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
4161 user-declared move constructor and assignment operator, to make the
4164 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
4165 d_type == DT_UNKNOWN immediately.
4166 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
4168 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
4170 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
4172 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
4173 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
4176 PR libstdc++/87431 (again)
4177 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
4178 Define partial specialization for basic_string.
4179 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
4180 shared_ptr and weak_ptr.
4181 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
4183 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
4185 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
4187 * include/debug/vector (_Never_valueless_alt): Likewise for debug
4189 * include/std/any (_Never_valueless_alt): Define explicit
4190 specialization for any.
4191 * include/std/variant (_Never_valueless_alt): Define primary template.
4192 (__never_valueless): Use _Never_valueless_alt instead of
4193 is_trivially_copyable.
4194 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
4195 initializations to avoid try-catch overhead. Add special case for
4196 scalars produced by potentially-throwing conversions. Use
4197 _Never_valueless_alt instead of is_trivially_copyable for the
4198 remaining strong exception-safety cases.
4199 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
4200 * testsuite/20_util/variant/87431.cc: Run both test functions.
4201 * testsuite/20_util/variant/exception_safety.cc: New test.
4202 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
4203 so the variant becomes valueless.
4205 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
4208 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
4210 (variant::emplace<_Tp>): Return result of emplace<N> directly.
4212 * include/std/string (__hash_string_base): New class template defining
4213 operator() for hashing strings.
4214 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
4215 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
4216 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
4217 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
4219 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
4221 Use single-visitation in variant assignment and swap and relops.
4222 Also use indices instead of types when checking whether
4223 variants hold the same thing.
4224 * include/std/variant (__do_visit): Add a template parameter
4225 for index visitation, invoke with indices if index visitation
4227 (__variant_idx_cookie): New.
4228 (__visit_with_index): Likewise.
4229 (_Copy_assign_base::operator=): Do single-visitation with
4231 (_Move_assign_base::operator=): Likewise.
4232 (_Extra_visit_slot_needed): Adjust.
4233 (__visit_invoke): Call with indices if it's an index visitor.
4234 (relops): Do single-visitation with an index visitor.
4236 (__visitor_result_type): New.
4238 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
4240 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
4242 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
4244 Don't revisit a variant we are already visiting.
4245 * include/std/variant (__variant_construct_single): New.
4246 (__variant_construct): Use it.
4247 (_M_destructive_move): Likewise.
4248 (_M_destructive_copy): Likewise.
4249 (_Copy_assign_base::operator=): Adjust.
4250 (_Move_assign_base::operator=): Likewise.
4253 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
4256 * include/bits/hashtable.h (_Hashtable): Move static assertions to
4257 destructor so they are not evaluated until the _Key type is complete.
4258 * include/bits/stl_tree.h (_Rb_tree): Likewise.
4259 * testsuite/23_containers/set/85965.cc: New test.
4260 * testsuite/23_containers/unordered_set/85965.cc: New test.
4261 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
4262 with regexp matching the corresponding _Rb_tree specialization.
4263 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
4264 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
4265 * testsuite/23_containers/set/48101_neg.cc: Likewise.
4266 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
4267 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
4268 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
4269 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
4271 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4274 Fix based on a suggestion by Antony Polukhin.
4275 * include/std/variant (__never_valueless): New.
4277 (_Extra_visit_slot_needed): New.
4278 (_Multi_array): Use it.
4279 (_S_apply_all_alts): Likewise.
4281 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4284 Fix based on a suggestion by Antony Polukhin.
4285 * include/std/variant (__gen_vtable): Don't reserve an
4286 additional table slot, _Multi_array already does that.
4288 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4291 Fix based on a suggestion by Antony Polukhin.
4292 * include/std/variant (__variant_construct): Capture a pointer
4293 to the storage and visit just one variant.
4295 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
4297 * doc/xml/manual/backwards_compatibility.xml: Remove link to
4298 Doxygen-generated pages with unstable URL.
4299 * doc/xml/manual/concurrency_extensions.xml: Likewise.
4300 * doc/xml/manual/extensions.xml: Likewise.
4301 * doc/xml/manual/parallel_mode.xml: Likewise.
4302 * doc/xml/manual/support.xml: Likewise.
4304 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
4305 avoid -Wconversion warnings.
4307 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
4309 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
4310 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
4311 (allstamped): Add stamp-pstl.
4312 (install-headers): Add ptsl_builddir.
4313 * include/Makefile.in: Regenerate.
4314 * include/bits/c++config: Add pstl configuration.
4315 * include/pstl/LICENSE.txt: New file.
4316 * include/pstl/algorithm_fwd.h: New file.
4317 * include/pstl/algorithm_impl.h: New file.
4318 * include/pstl/execution_defs.h: New file.
4319 * include/pstl/execution_impl.h: New file.
4320 * include/pstl/glue_algorithm_defs.h: New file.
4321 * include/pstl/glue_algorithm_impl.h: New file.
4322 * include/pstl/glue_execution_defs.h: New file.
4323 * include/pstl/glue_memory_defs.h: New file.
4324 * include/pstl/glue_memory_impl.h: New file.
4325 * include/pstl/glue_numeric_defs.h: New file.
4326 * include/pstl/glue_numeric_impl.h: New file.
4327 * include/pstl/memory_impl.h: New file.
4328 * include/pstl/numeric_fwd.h: New file.
4329 * include/pstl/numeric_impl.h: New file.
4330 * include/pstl/parallel_backend.h: New file.
4331 * include/pstl/parallel_backend_tbb.h: New file.
4332 * include/pstl/parallel_backend_utils.h: New file.
4333 * include/pstl/parallel_impl.h: New file.
4334 * include/pstl/pstl_config.h: New file.
4335 * include/pstl/unseq_backend_simd.h: New file.
4336 * include/pstl/utils.h: New file.
4337 * include/std/algorithm: Include parallel algorithm implementations.
4338 * include/std/execution: New file.
4339 * include/std/memory: Include parallel algorithm implementations.
4340 * include/std/numeric: Include parallel algorithm implementations.
4341 * include/std/version: Add parallel algorithms feature test macro.
4342 * testsuite/util/pstl/pstl_test_config.h: New file.
4343 * testsuite/util/pstl/test_utils.h: New file.
4344 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4345 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4346 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4347 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4348 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4349 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4350 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4351 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4352 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4353 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4354 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4355 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4356 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4357 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4358 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4359 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4360 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4361 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4362 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4363 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4364 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4365 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4366 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4367 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4368 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4369 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4370 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4371 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4372 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4373 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4374 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4375 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4376 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4377 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4378 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4379 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4380 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4381 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4382 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4383 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4384 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4385 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4386 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4387 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4388 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4389 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4390 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4391 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4392 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4393 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4394 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4395 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4396 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4397 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4398 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4399 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4400 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4401 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4402 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4403 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4404 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4405 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4406 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4407 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4408 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4409 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4410 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4411 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4412 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4413 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4414 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4415 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4416 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4417 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4418 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4419 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4420 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4421 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4422 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4423 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4424 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4425 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4426 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4427 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4428 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4429 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4430 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4431 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4432 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4433 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4434 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4435 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4436 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4437 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4438 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4439 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4440 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4441 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4442 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4443 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4444 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4445 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4446 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4447 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4448 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4449 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4451 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
4453 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
4454 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
4455 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
4456 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
4457 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
4458 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
4459 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
4460 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
4461 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
4462 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
4463 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
4464 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
4465 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
4466 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
4467 when the special functions IS is enabled, not for C++17.
4468 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
4470 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
4471 without checks for special functions in C++17.
4472 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
4476 * include/backward/hash_map: Use <> for includes not "".
4477 * include/backward/hash_set: Likewise.
4478 * include/backward/strstream: Likewise.
4479 * include/tr1/bessel_function.tcc: Likewise.
4480 * include/tr1/exp_integral.tcc: Likewise.
4481 * include/tr1/legendre_function.tcc: Likewise.
4482 * include/tr1/modified_bessel_func.tcc: Likewise.
4483 * include/tr1/riemann_zeta.tcc: Likewise.
4485 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
4487 * doc/xml/manual/allocator.xml: Link to table documenting evolution
4488 of extension allocators.
4489 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
4490 Document new headers in 7.2, 8.1 and 9.1 releases.
4491 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
4492 * doc/html/*: Regenerate.
4494 2019-03-12 John David Anglin <dave.anglin@bell.net>
4497 * testsuite/lib/libstdc++.exp: Locate libatomic.
4498 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
4499 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
4501 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
4502 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
4503 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
4504 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
4506 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
4509 * configure.ac: Check for sockatmark.
4510 * crossconfig.m4: Check for sockatmark.
4511 * config.h.in: Regenerate.
4512 * configure: Regenerate.
4513 * include/experimental/internet (address_v4::_S_hton): Rename
4514 overloaded functions to _S_hton_16 and _S_ntoh_16.
4515 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
4516 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
4517 * include/experimental/socket (basic_socket::at_mark): Check
4518 _GLIBCXX_HAVE_SOCKATMARK.
4520 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
4521 const variables instead of macros.
4524 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
4525 Use correct type for len_aligned.
4526 * testsuite/20_util/hash/89629.cc: New test.
4528 2019-03-11 Jakub Jelinek <jakub@redhat.com>
4531 * include/std/atomic (atomic<T>::store, atomic<T>::load,
4532 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
4533 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
4534 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
4535 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
4536 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
4537 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
4538 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
4539 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
4540 memory_order_seq_cst to int.
4542 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
4544 * doc/xml/manual/using.xml: Use link element instead of xref.
4545 * doc/html/*: Regenerate.
4547 * include/bits/fs_path.h (path::format): Add fixed underlying type.
4549 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
4552 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
4553 parameters in deduction guides.
4554 * include/debug/multimap.h (multimap): Likewise.
4555 * include/debug/set.h (multimap): Likewise.
4556 * include/debug/multiset.h (multimap): Likewise.
4557 * include/debug/unordered_map (unordered_map): Likewise.
4558 (unordered_multimap): Likewise.
4559 * include/debug/unordered_set (unordered_set): Likewise.
4560 (unordered_multiset): Likewise.
4563 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
4564 Invalidate all iterators in case of rehash.
4565 (unordered_multimap<>::_M_check_rehashed): Likewise.
4566 * include/debug/unordered_set
4567 (unordered_set<>::_M_check_rehashed): Likewise.
4568 (unordered_multiset<>::_M_check_rehashed): Likewise.
4569 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
4571 2019-03-07 Andreas Schwab <schwab@suse.de>
4573 * config/abi/post/riscv64-linux-gnu: New directory.
4574 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
4576 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
4578 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
4579 compile test to run. Fix typo.
4581 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
4582 * doc/html/*: Regenerate.
4584 P0356R5 Simplified partial function application
4585 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
4586 helpers for bind_front.
4587 (bind_front, __cpp_lib_bind_front): Define.
4588 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
4590 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4592 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
4593 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
4594 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
4595 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
4597 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
4599 PR libstdc++/86655 - std::assoc_legendre should not constrain
4600 the value of m (or x).
4601 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
4602 __sph_legendre): If degree > order Don't throw, return 0.
4603 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
4604 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
4605 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
4606 * testsuite/tr1/5_numerical_facilities/special_functions/
4607 02_assoc_legendre/pr86655.cc: New test.
4608 * testsuite/tr1/5_numerical_facilities/special_functions/
4609 22_sph_legendre/pr86655.cc: New test.
4611 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
4614 Also PR libstdc++/85517
4615 * include/std/variant (__do_visit): New.
4616 (__variant_cast): Likewise.
4617 (__variant_cookie): Likewise.
4618 (__erased_*): Remove.
4619 (_Variant_storage::_S_vtable): Likewise.
4620 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
4621 (_Variant_storage::__M_reset): Adjust.
4622 (__variant_construct): New.
4623 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
4624 __variant_construct.
4625 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
4626 (_Move_ctor_base::__M_destructive_copy): New.
4627 (_Move_ctor_base::__M_destructive_move): Adjust to use
4628 __variant_construct.
4629 (_Copy_assign_base::operator=): Adjust to use __do_visit.
4630 (_Copy_assign_alias): Adjust to check both copy assignment
4631 and copy construction for triviality.
4632 (_Move_assign_base::operator=): Adjust to use __do_visit.
4633 (_Multi_array): Add support for visitors that accept and return
4635 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
4636 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
4637 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
4638 a __variant_cookie temporary for a variant that is valueless and..
4639 (__gen_vtable_impl::__visit_invoke): ..adjust here.
4640 (__gen_vtable::_Array_type): Conditionally make space for
4641 the __variant_cookie visitor case.
4642 (__variant_construct_by_index): New.
4643 (get_if): Adjust to use std::addressof.
4644 (relops): Adjust to use __do_visit.
4645 (variant): Add __variant_cast and __variant_construct_by_index
4647 (variant::emplace): Use _M_reset() and __variant_construct_by_index
4648 instead of self-destruction.
4649 (variant::swap): Adjust to use __do_visit.
4650 (visit): Reimplement in terms of __do_visit.
4651 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
4652 * testsuite/20_util/variant/compile.cc: Adjust.
4653 * testsuite/20_util/variant/run.cc: Likewise.
4655 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4657 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
4659 * testsuite/experimental/feat-char8_t.cc: Likewise.
4661 * include/std/type_traits [C++20] (is_bounded_array)
4662 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
4664 * testsuite/20_util/is_bounded_array/requirements/
4665 explicit_instantiation.cc: New test.
4666 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
4668 * testsuite/20_util/is_bounded_array/value.cc: New test.
4669 * testsuite/20_util/is_unbounded_array/requirements/
4670 explicit_instantiation.cc: New test.
4671 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
4673 * testsuite/20_util/is_unbounded_array/value.cc: New test.
4675 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
4677 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
4679 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
4681 * include/c_compatibility/math.h [C++20] (lerp): Add using
4683 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
4684 (__lerp): Define function template to implement lerp.
4685 (lerp(float, float, float), lerp(double, double, double))
4686 (lerp(long double, long double, long double)): Define for C++20.
4687 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
4688 (midpoint(T, T), midpoint(T*, T*)): Define.
4689 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
4690 * testsuite/26_numerics/lerp.cc: New test.
4691 * testsuite/26_numerics/midpoint/floating.cc: New test.
4692 * testsuite/26_numerics/midpoint/integral.cc: New test.
4693 * testsuite/26_numerics/midpoint/pointer.cc: New test.
4695 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
4697 PR libstdc++/88996 Implement P0439R0
4698 Make std::memory_order a scoped enumeration.
4699 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
4700 add variables for the old enumerators. Adjust calls.
4701 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
4702 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
4704 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
4706 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
4709 * include/std/memory_resource (polymorphic_allocator): Add default
4710 template argument for C++20.
4711 (polymorphic_allocator::allocate_bytes)
4712 (polymorphic_allocator::deallocate_bytes)
4713 (polymorphic_allocator::allocate_object)
4714 (polymorphic_allocator::deallocate_object)
4715 (polymorphic_allocator::new_object)
4716 (polymorphic_allocator::delete_object): New member functions for
4718 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
4721 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
4724 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
4727 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
4729 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
4730 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
4732 * include/std/memory (uses_allocator_construction_args): New set of
4733 overloaded functions.
4734 (make_obj_using_allocator, uninitialized_construct_using_allocator):
4736 * include/std/memory_resource (polymorphic_allocator::construct)
4737 [__cplusplus > 201703l]: Replace all overloads with a single function
4738 using uses_allocator_construction_args.
4739 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
4741 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
4743 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
4746 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
4747 stylesheet directories before check for xsltproc. Try to use
4748 xmlcatalog to find local stylesheet directory before trying hardcoded
4749 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
4750 check to look for the same stylesheet as doc/Makefile.am uses. Don't
4751 use xsltproc if xmlcatalog fails to find a local stylesheet.
4752 * configure.ac: Check for xmlcatalog.
4753 * Makefile.in: Regenerate.
4754 * configure: Likewise.
4755 * doc/Makefile.in: Likewise.
4756 * include/Makefile.in: Likewise.
4757 * libsupc++/Makefile.in: Likewise.
4758 * po/Makefile.in: Likewise.
4759 * python/Makefile.in: Likewise.
4760 * src/Makefile.in: Likewise.
4761 * src/c++11/Makefile.in: Likewise.
4762 * src/c++17/Makefile.in: Likewise.
4763 * src/c++98/Makefile.in: Likewise.
4764 * src/filesystem/Makefile.in: Likewise.
4765 * testsuite/Makefile.in: Likewise.
4767 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
4770 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
4771 container deduction guides.
4772 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
4773 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
4774 parameters in deduction guides.
4775 * include/bits/stl_multimap.h (multimap): Likewise.
4776 * include/bits/stl_multiset.h (multiset): Likewise.
4777 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
4778 * include/bits/stl_set.h (set): Likewise.
4779 * include/bits/stl_stack.h (stack): Likewise.
4780 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
4781 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
4782 constrain parameters in deduction guides.
4783 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
4785 * testsuite/23_containers/map/cons/deduction.cc: Test additional
4787 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
4788 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
4789 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
4790 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
4792 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
4794 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
4797 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
4798 to class template and partial specialization using void_t.
4799 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4801 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
4804 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
4805 copy and move members public.
4807 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
4809 * include/std/type_traits (__underlying_type_impl): New helper to
4810 make underlying_type SFINAE-friendly.
4811 (underlying_type): Derive from __underlying_type_impl.
4812 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
4816 * include/bits/char_traits.h (__constant_char_array): Check index is
4817 in range before dereferencing.
4818 (char_traits<char>::compare, char_traits<char>::find)
4819 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
4820 immediately if n is zero.
4821 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
4822 Remove workarounds for PR 67026.
4823 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
4825 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
4828 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4830 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
4831 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
4833 2019-02-22 Jakub Jelinek <jakub@redhat.com>
4836 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
4837 type to std::size_t and argument to type to long double.
4839 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4841 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
4842 * config/abi/post/sparc64-linux-gnu: New directory.
4843 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
4844 * config/abi/post/sparc64-linux-gnu/32: New directory.
4845 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
4847 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4849 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
4850 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
4853 2019-02-22 Tom Honermann <tom@honermann.net>
4855 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
4856 printers for u8string and u8string_view.
4858 2019-02-22 Tom Honermann <tom@honermann.net>
4860 * testsuite/18_support/byte/ops.cc: Validate
4861 std::to_integer<char8_t>, std::to_integer<char16_t>, and
4862 std::to_integer<char32_t>.
4863 * testsuite/18_support/numeric_limits/dr559.cc: Validate
4864 std::numeric_limits<char8_t>.
4865 * testsuite/18_support/numeric_limits/lowest.cc: Validate
4866 std::numeric_limits<char8_t>::lowest().
4867 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
4868 std::numeric_limits<char8_t>::max_digits10.
4869 * testsuite/18_support/type_info/fundamental.cc: Validate
4870 typeinfo for char8_t.
4871 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
4872 std::from_chars with char8_t.
4873 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
4874 Validate explicit instantiation of std::hash<char8_t>.
4875 * testsuite/20_util/is_integral/value.cc: Validate
4876 std::is_integral<char8_t>.
4877 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
4878 Validate std::make_signed<char8_t>.
4879 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
4880 Validate u8string construction from char8_t sources.
4881 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
4883 * testsuite/21_strings/basic_string_view/operations/compare/
4884 char/70483.cc: Validate substr operations on u8string_view.
4885 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
4886 the u8string_view typedef is defined.
4887 * testsuite/21_strings/char_traits/requirements/
4888 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
4890 * testsuite/21_strings/char_traits/requirements/
4891 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
4892 constexpr member functions.
4893 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
4894 that the u8string typedef is defined.
4895 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
4896 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
4897 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
4898 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
4900 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
4901 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
4903 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
4904 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
4905 Validate std::atomic<char8_t>::is_always_lock_free
4906 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
4907 Update line numbers.
4908 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
4910 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
4912 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
4913 Validate std::experimental::pmr::u8string.
4914 * testsuite/experimental/string_view/typedefs.cc: Validate that the
4915 u8string_view typedef is defined.
4916 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
4917 char32_t to the typelists.
4919 2019-02-22 Tom Honermann <tom@honermann.net>
4921 * include/ext/typelist.h: Constrain a partial specialization of
4922 typelist::detail::append_ to only match chain<T1,T2>.
4924 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4927 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
4928 class template with class. Replace move and copy member types with
4929 member alias templates, so they are only instantiated when needed.
4930 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4931 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
4932 test for C++11/14/17 as well.
4933 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
4936 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4939 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
4940 _GLIBCXX_PURE to the alias declaration.
4942 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
4944 * testsuite/21_strings/basic_string/literals/types.cc
4945 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
4946 * testsuite/21_strings/basic_string/literals/values.cc
4947 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4948 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
4949 potentially having different type.
4950 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
4951 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
4953 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
4954 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
4955 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
4956 string literals only using basic character set.
4957 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
4958 u8 literals to char.
4959 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
4960 Test ATOMIC_CHAR8_T_LOCK_FREE.
4961 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
4962 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
4963 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
4964 * testsuite/experimental/string_view/literals/types.cc
4965 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
4967 * testsuite/experimental/string_view/literals/values.cc
4968 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4970 2019-02-19 Tom Honermann <tom@honermann.net>
4972 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
4973 from char16_32_t.cc; validates numeric_limits<char8_t>.
4974 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
4975 test cloned from types.cc; validates operator""s for char8_t
4977 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
4978 test cloned from values.cc; validates construction and comparison
4980 * testsuite/21_strings/basic_string/requirements/
4981 /explicit_instantiation/char8_t/1.cc: New test cloned from
4982 char16_t/1.cc; validates explicit instantiation of
4983 basic_string<char8_t>.
4984 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
4985 New test cloned from types.cc; validates operator""sv for char8_t
4986 returns u8string_view.
4987 * testsuite/21_strings/basic_string_view/literals/
4988 values-char8_t.cc: New test cloned from values.cc; validates
4989 construction and comparison of u8string_view values.
4990 * testsuite/21_strings/basic_string_view/requirements/
4991 explicit_instantiation/char8_t/1.cc: New test cloned from
4992 char16_t/1.cc; validates explicit instantiation of
4993 basic_string_view<char8_t>.
4994 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
4995 New test cloned from char16_t/65049.cc; validates that
4996 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
4997 * testsuite/21_strings/char_traits/requirements/char8_t/
4998 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
4999 that char_traits<char8_t> member typedefs are present and correct.
5000 * testsuite/21_strings/char_traits/requirements/
5001 explicit_instantiation/char8_t/1.cc: New test cloned from
5002 char16_t/1.cc; validates explicit instantiation of
5003 char_traits<char8_t>.
5004 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
5005 from char16_t.cc: validates
5006 codecvt<char16_t, char8_t, mbstate_t>.
5007 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
5008 from char32_t.cc: validates
5009 codecvt<char32_t, char8_t, mbstate_t>.
5010 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
5011 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
5012 codecvt<char32_t, char8_t, std::mbstate_t>.
5013 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
5014 test cloned from string.cc; validates filesystem::path construction
5016 * testsuite/experimental/feat-char8_t.cc: New test; validates that
5017 the __cpp_lib_char8_t feature test macro is defined with the
5019 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
5020 New test cloned from string.cc; validates filesystem::path
5021 construction from char8_t input.
5022 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
5023 test cloned from types.cc; validates operator""sv for char8_t
5024 returns u8string_view.
5025 * testsuite/experimental/string_view/literals/values-char8_t.cc:
5026 New test cloned from values.cc; validates construction and
5027 comparison of u8string_view values.
5028 * testsuite/experimental/string_view/requirements/
5029 explicit_instantiation/char8_t/1.cc: New test cloned from
5030 char16_t/1.cc; validates explicit instantiation of
5031 basic_string_view<char8_t>.
5032 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
5033 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
5036 2019-02-19 Tom Honermann <tom@honermann.net>
5038 P0482R5 char8_t: Standard library support
5039 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
5040 typeinfo symbols for char8_t.
5041 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
5042 (GLIBCXX_3.4.26): Add symbols for specializations of
5043 numeric_limits and codecvt that involve char8_t.
5044 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
5045 * include/bits/atomic_base.h: Add atomic_char8_t.
5046 * include/bits/basic_string.h: Add std::hash<u8string> and
5047 operator""s(const char8_t*, size_t).
5048 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
5050 * include/bits/char_traits.h: Add char_traits<char8_t>.
5051 * include/bits/codecvt.h: Add
5052 codecvt<char16_t, char8_t, mbstate_t>,
5053 codecvt<char32_t, char8_t, mbstate_t>,
5054 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5055 codecvt_byname<char32_t, char8_t, mbstate_t>.
5056 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
5057 recognize char8_t as an integral type.
5058 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
5060 (path::u8string): Return std::u8string when char8_t support is
5062 (path::generic_u8string): Likewise.
5063 (path::_S_convert): Handle conversion from char8_t input.
5064 (path::_S_str_convert): Likewise.
5065 * include/bits/functional_hash.h: Add hash<char8_t>.
5066 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
5068 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
5069 for new char8_t specializations.
5070 * include/bits/localefwd.h: Add missing declarations of
5071 codecvt<char16_t, char, mbstate_t> and
5072 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
5073 codecvt<char16_t, char8_t, mbstate_t> and
5074 codecvt<char32_t, char8_t, mbstate_t>.
5075 * include/bits/postypes.h: Add u8streampos
5076 * include/bits/stringfwd.h: Add declarations of
5077 char_traits<char8_t> and u8string.
5078 * include/c_global/cstddef: Add __byte_operand<char8_t>.
5079 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
5081 (path::u8string): Return std::u8string when char8_t support is
5083 (path::generic_u8string): Likewise.
5084 (path::_S_convert): Handle conversion from char8_t input.
5085 (path::_S_str_convert): Likewise.
5086 * include/experimental/string: Add u8string.
5087 * include/experimental/string_view: Add u8string_view,
5088 hash<experimental::u8string_view>, and
5089 operator""sv(const char8_t*, size_t).
5090 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
5091 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
5092 as a character type.
5093 * include/std/limits: Add numeric_limits<char8_t>.
5094 * include/std/string_view: Add u8string_view,
5095 hash<experimental::u8string_view>, and
5096 operator""sv(const char8_t*, size_t).
5097 * include/std/type_traits: Add __is_integral_helper<char8_t>,
5098 __make_unsigned<char8_t>, and __make_signed<char8_t>.
5099 * libsupc++/atomic_lockfree_defines.h: Define
5100 ATOMIC_CHAR8_T_LOCK_FREE.
5101 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
5102 codecvt.cc and limits.cc so that char8_t specializations of
5103 numeric_limits and codecvt and emitted.
5104 * src/c++11/Makefile.in: Likewise.
5105 * src/c++11/codecvt.cc: Define members of
5106 codecvt<char16_t, char8_t, mbstate_t>,
5107 codecvt<char32_t, char8_t, mbstate_t>,
5108 codecvt_byname<char16_t, char8_t, mbstate_t>, and
5109 codecvt_byname<char32_t, char8_t, mbstate_t>.
5110 * src/c++11/limits.cc: Define members of
5111 numeric_limits<char8_t>.
5112 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
5113 locale_init.cc and localename.cc.
5114 * src/c++98/Makefile.in: Likewise.
5115 * src/c++98/locale_init.cc: Add initialization for the
5116 codecvt<char16_t, char8_t, mbstate_t> and
5117 codecvt<char32_t, char8_t, mbstate_t> facets.
5118 * src/c++98/localename.cc: Likewise.
5119 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
5121 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
5123 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
5124 * 27_io/filesystem/operations/resize_file.cc: Likewise.
5125 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
5127 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
5129 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
5130 * doc/html/*: Regenerate.
5132 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
5133 * doc/html/*: Regenerate.
5135 * doc/xml/manual/intro.xml: Document LWG 2586 status.
5136 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
5137 allocator type in is_constructible checks.
5138 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
5139 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
5140 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
5141 problematic type from LWG 2586 discussion.
5142 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
5143 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
5145 * configure.ac: Check for C11 timespec_get function.
5146 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
5148 * config.h.in: Regenerate.
5149 * configure: Regenerate.
5150 * include/c_global/ctime (timespec, timespec_get): Add to namespace
5151 std for C++17 and up.
5153 * doc/xml/manual/intro.xml: Document LWG 2537 status.
5154 * include/bits/stl_queue.h
5155 (priority_queue(const Compare&, const Container&, const Alloc&))
5156 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
5158 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
5160 * doc/xml/manual/intro.xml: Document LWG 2566 status.
5161 * include/bits/stl_queue.h (queue, priority_queue): Add static
5162 assertions to enforce LWG 2566 requirement on value_type.
5163 * include/bits/stl_stack.h (stack): Likewise.
5166 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
5168 * doc/xml/manual/intro.xml: Document LWG 2735 status.
5169 * include/bits/std_abs.h: Add comment about LWG 2735.
5170 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
5172 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
5175 * include/std/version [__cpp_impl_destroying_delete]
5176 (__cpp_lib_destroying_delete): Only define for C++2a and later.
5177 * libsupc++/new [__cpp_impl_destroying_delete]
5178 (__cpp_lib_destroying_delete): Likewise.
5179 (destroying_delete_t, destroying_delete): Likewise, but define even
5180 when __cpp_impl_destroying_delete is not defined.
5181 * testsuite/18_support/destroying_delete.cc: New test.
5183 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
5186 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
5187 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
5188 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
5189 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
5191 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
5194 * include/bits/fs_path.h (path::has_root_name)
5195 (path::has_root_directory, path::has_root_path)
5196 (path::has_relative_path, path::has_parent_path)
5197 (path::has_filename, path::has_stem, path::has_extension)
5198 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
5200 * src/c++17/fs_path.cc (path::has_root_name)
5201 (path::has_root_directory, path::has_root_path)
5202 (path::has_relative_path, path::has_parent_path)
5203 (path::has_filename, path::_M_find_extension): Add noexcept.
5205 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
5207 PR libstdc++/89102 (partial)
5208 * include/std/type_traits (common_type<>): Define.
5209 (common_type<T>): Derive from common_type<T, T>.
5210 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
5211 Test zero-length template argument list.
5212 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
5213 Test additional single argument cases.
5214 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
5215 Adjust expected error.
5217 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
5220 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
5222 * include/bits/stl_stack.h (stack): Likewise.
5223 * testsuite/23_containers/priority_queue/deduction.cc: New test.
5224 * testsuite/23_containers/queue/deduction.cc: New test.
5225 * testsuite/23_containers/stack/deduction.cc: New test.
5228 * include/std/type_traits (__is_convertible_helper)
5229 (__is_convertible_helper<_From, _To, false>): Revert changes to
5230 support is_nothrow_convertible.
5231 (__is_nt_convertible_helper): New helper.
5232 (is_nothrow_convertible): Use __is_nt_convertible_helper.
5234 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
5235 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
5238 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
5239 __is_alloc_insertable_impl. Replace single type member with two
5240 members, one for each of copy and move insertable.
5241 (__is_move_insertable): New trait for internal use.
5242 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
5243 (vector::_S_nothrow_relocate(true_type)): New functions to
5244 conditionally check if __relocate_a can throw.
5245 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
5246 on __is_move_insertable.
5247 (vector::_S_do_relocate): New overloaded functions to conditionally
5249 (vector::_S_relocate): New function that dispatches to _S_do_relocate
5250 based on _S_use_relocate.
5251 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5252 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
5253 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
5256 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
5257 parameter unnamed. Add message to static assertion.
5258 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5259 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
5262 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
5265 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
5267 (__is_bitwise_relocatable): ... to this.
5268 (__relocate_a_1): Adapt.
5269 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
5270 (__is_bitwise_relocatable): ... to this.
5272 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
5275 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
5276 final component as well as from _M_pathname. Append the dot using
5277 operator+= instead of only to _M_pathname.
5278 (path::_M_find_extension): Reformat slightly.
5279 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5280 Add more test cases.
5282 2019-01-30 Ulrich Drepper <drepper@redhat.com>
5284 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
5286 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
5288 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
5289 constexpr specifiers from arg and proj.
5291 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
5292 __shared_ptr instantiations used by gcc4-compatible ABI.
5294 * include/experimental/forward_list (experimental::erase): Qualify
5296 * include/experimental/list (experimental::erase): Likewise.
5297 * include/std/forward_list (std::erase): Likewise.
5298 * include/std/list (std::erase): Likewise.
5300 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
5302 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
5303 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
5304 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
5305 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
5306 * testsuite/ext/array_allocator/26875.cc: Likewise.
5307 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
5308 * testsuite/util/replacement_memory_operators.h: Likewise.
5309 * testsuite/util/testsuite_allocator.h: Likewise.
5311 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
5312 normal mode vector, even for debug mode.
5313 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
5314 Define alias template for normal mode vector.
5316 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
5319 * config/locale/generic/c_locale.h (__convert_from_v)
5320 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5321 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5322 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
5323 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5325 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
5328 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
5329 data member with static member function _S_use_relocate().
5330 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5331 (vector::_M_default_append): Use _S_use_relocate() instead of
5334 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
5337 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
5340 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
5341 write to stderr instead of using printf.
5343 2019-01-21 Jakub Jelinek <jakub@redhat.com>
5346 * include/bits/char_traits.h (__constant_string_p,
5347 __constant_char_array_p): Use __builtin_is_constant_evaluated if
5350 2019-01-20 Ulrich Drepper <drepper@redhat.com>
5352 Implement C++20 P0600r1.
5353 * include/backward/hash_map: Add nodiscard attribute to empty.
5354 * include/backward/hash_set: Likewise.
5355 * backward/hashtable.h: Likewise.
5356 * include/bits/basic_string.h: Likewise.
5357 * include/bits/forward_list.h: Likewise.
5358 * include/bits/hashtable.h: Likewise.
5359 * include/bits/regex.h: Likewise.
5360 * include/bits/stl_deque.h: Likewise.
5361 * include/bits/stl_list.h: Likewise.
5362 * include/bits/stl_map.h: Likewise.
5363 * include/bits/stl_multimap.h: Likewise.
5364 * include/bits/stl_multiset.h: Likewise.
5365 * include/bits/stl_queue.h: Likewise.
5366 * include/bits/stl_set.h: Likewise.
5367 * include/bits/stl_stack.h: Likewise.
5368 * include/bits/stl_tree.h: Likewise.
5369 * include/bits/stl_vector.h: Likewise.
5370 * include/bits/unordered_map.h: Likewise.
5371 * include/bits/unordered_set.h: Likewise.
5372 * include/debug/array: Likewise.
5373 * include/experimental/any: Likewise.
5374 * include/experimental/bits/fs_path.h: Likewise.
5375 * include/experimental/internet: Likewise.
5376 * include/experimental/string_view: Likewise.
5377 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
5379 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
5381 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
5383 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
5385 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
5387 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
5389 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
5391 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
5393 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5394 info_fn_imps.hpp: Likewise.
5395 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5396 left_child_next_sibling_heap_.hpp: Likewise.
5397 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
5399 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
5401 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
5403 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
5405 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
5407 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
5409 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
5411 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
5412 * include/ext/pb_ds/trie_policy.hpp: Likewise.
5413 * include/ext/rope: Likewise.
5414 * include/ext/slist: Likewise.
5415 * include/ext/vstring.h: Likewise.
5416 * include/profile/array: Likewise.
5417 * include/std/array: Likewise.
5418 * include/tr1/array: Likewise.
5419 * include/tr1/hashtable.h: Likewise.
5420 * include/tr1/regex: Likewise.
5421 * include/tr2/dynamic_bitset: Likewise.
5422 * include/bits/alloc_traits.h: Add nodiscard attribute to
5424 * include/experimental/memory_resource: Likewise.
5425 * include/ext/alloc_traits.h: Likewise.
5426 * include/ext/array_allocator.h: Likewise.
5427 * include/ext/bitmap_allocator.h: Likewise.
5428 * include/ext/debug_allocator.h: Likewise.
5429 * include/ext/extptr_allocator.h: Likewise.
5430 * include/ext/mt_allocator.h: Likewise.
5431 * include/ext/new_allocator.h: Likewise.
5432 * include/ext/pool_allocator.h: Likewise.
5433 * include/ext/throw_allocator.h: Likewise.
5434 * include/std/scoped_allocator: Likewise.
5435 * libsupc++/eh_alloc.cc: Likewise.
5436 * include/std/future: Add nodiscard attribute to async.
5437 * libsupc++/new: Add nodiscard attribute to new.
5439 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
5444 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
5445 * include/bits/shared_ptr.h
5446 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
5447 (allocate_shared): Change to use new tag type.
5448 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
5449 Declare new member function.
5450 (_Sp_alloc_shared_tag): Define new type.
5451 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
5452 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
5453 _Sp_make_shared_tag::_S_eq to check type_info.
5454 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
5455 Constrain to prevent being called with _Sp_alloc_shared_tag.
5456 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
5457 Replace constructor with ...
5458 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
5459 reference parameter so address of the new object can be returned to
5460 the caller. Obtain the allocator from the tag type.
5461 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
5462 constructor with ...
5463 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
5464 to the __shared_count constructor.
5465 (__allocate_shared): Change to use new tag type.
5466 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
5468 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
5470 * src/c++17/fs_ops.cc
5471 (equivalent(const path&, const path&, error_code&))
5472 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
5473 compare files instead of relying on incomplete info returned by stat.
5476 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
5477 if the path is already absolute.
5478 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
5479 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
5482 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
5483 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
5484 of filesystem::exists.
5485 (create_directories(const path&, error_code&)): Add assertions.
5486 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
5487 Add workaround for bug in _wstat for paths with trailing slash.
5488 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
5489 for expected behaviour on mingw.
5490 * testsuite/experimental/filesystem/operations/create_directories.cc:
5492 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
5493 "TMP" instead of "TMPDIR" and clean environment before each test. Do
5494 not test permissions on mingw targets.
5496 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
5498 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
5499 constructors and open members taking wide strings. Fix patterns for
5500 filesystem::path members to match wstring_view parameters. Add
5501 exports for shared_ptr members used by directory iterators.
5502 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
5503 error code parameter if the file doesn't exist.
5504 * src/filesystem/ops.cc (remove(const path&, error_code&)):
5506 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
5507 values for mingw targets, where "/" is not an absolute path. Do not
5508 test symlinks on mingw targets.
5509 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5510 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
5512 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5513 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
5514 that each component of the path is created.
5515 * testsuite/experimental/filesystem/operations/create_directories.cc:
5517 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
5518 permissions on mingw targets.
5519 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5520 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5521 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5522 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
5524 * testsuite/experimental/filesystem/operations/permissions.cc:
5526 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
5527 symlinks or permissions on mingw targets.
5528 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5529 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
5530 symlinks on mingw targets.
5531 * testsuite/experimental/filesystem/operations/remove_all.cc:
5533 * testsuite/27_io/filesystem/operations/status.cc: Do not test
5534 permissions on mingw targets.
5535 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
5536 test symlinks on mingw targets.
5537 * testsuite/experimental/filesystem/operations/space.cc: Fix test
5540 2019-02-14 Ulrich Drepper <drepper@redhat.com>
5543 Warn about unused comparisons of shared_ptr/unique_ptr
5544 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
5545 * include/bits/shared_ptr.h: Use it for operator ==, !=,
5546 <, <=, >, >= for shared_ptr.
5547 * include/bits/unique_ptr.h: Likewise for unique_ptr.
5549 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
5551 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
5552 as 201611L, because P0497R0 changes are supported.
5553 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
5555 * include/bits/erase_if.h [__cplusplus > 201703L]
5556 (__cpp_lib_erase_if): Only define for C++2a.
5557 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5558 (__cpp_lib_null_iterators): Define.
5559 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5560 (__cpp_lib_null_iterators): Define.
5561 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
5563 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
5565 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
5567 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
5568 changes are supported.
5569 * include/std/optional (__cpp_lib_optional): Likewise.
5570 * include/std/variant (__cpp_lib_variant): Likewise.
5571 * include/std/version [!__STRICT_ANSI__]
5572 (__cpp_lib_uncaught_exceptions): Define as long integer.
5573 [__cplusplus >= 201703L] (__cpp_lib_any)
5574 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
5575 (__cpp_lib_variant): Define for C++17.
5576 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
5578 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
5581 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
5583 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
5587 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
5589 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
5592 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5594 * doc/xml/manual/intro.xml: Include new section.
5595 * doc/xml/manual/status_cxx2017.xml: Document more
5596 implementation-defined properties of the library.
5597 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
5598 * doc/html/*: Regenerate.
5600 * include/bits/refwrap.h [__cplusplus > 201703L]
5601 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
5602 (_Reference_wrapper_base_memfun): Do not define for C++2a.
5603 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
5605 (reference_wrapper::operator()): Add static assertion.
5606 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
5608 * include/std/chrono (duration_values::zero(), duration_values::min())
5609 (duration_values::max()): Add noexcept.
5610 (duration::zero(), duration::min(), duration::max()): Likewise.
5611 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
5612 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
5613 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
5615 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
5617 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5619 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
5620 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
5622 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5625 * include/bits/functional_hash.h (hash<nullptr_t>): Define
5626 specialization for C++17 (P0513R0, LWG 2817).
5627 * testsuite/20_util/hash/nullptr.cc: New test.
5630 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
5631 pattern for std::basic_stringbuf::str().
5633 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
5634 basic_ostream::operator<< patterns.
5636 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5638 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
5639 test failures on targets with 32-bit time_t.
5641 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
5642 * include/std/deque: Likewise.
5643 * include/std/forward_list: Likewise.
5644 * include/std/list: Likewise.
5645 * include/std/string: Likewise.
5646 * include/std/vector: Likewise.
5647 * include/std/version: Likewise.
5648 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
5649 * testsuite/23_containers/deque/erasure.cc: Likewise.
5650 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
5651 * testsuite/23_containers/list/erasure.cc: Likewise.
5652 * testsuite/23_containers/map/erasure.cc: Likewise.
5653 * testsuite/23_containers/set/erasure.cc: Likewise.
5654 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
5655 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
5656 * testsuite/23_containers/vector/erasure.cc: Likewise.
5658 * include/experimental/internet [AI_NUMERICSERV]
5659 (resolver_base::numeric_service): Define conditionally.
5660 * testsuite/experimental/net/internet/resolver/base.cc: Test it
5662 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
5665 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
5666 Jonathan Wakely <jwakely@redhat.com>
5669 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
5670 (GLIBCXX_3.4.26): Add new exports.
5671 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
5672 correct list of sources.
5673 * include/Makefile.in: Regenerate.
5674 * include/std/ostream (operator<<(nullptr_t)): New member function.
5675 * src/c++17/ostream-inst.cc: New file.
5676 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
5679 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5681 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
5682 of the source file containing the caller.
5683 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
5684 directories created by test.
5685 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5687 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5689 * testsuite/experimental/filesystem/iterators/
5690 recursive_directory_iterator.cc: Likewise.
5692 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5694 PR tree-optimization/88775
5695 * include/bits/stl_function.h (greater<_Tp*>::operator(),
5696 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
5697 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
5698 instead of __builtin_constant_p if available. Don't bother with
5699 the pointer comparison in C++11 and earlier.
5701 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5705 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
5708 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
5710 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
5711 for filesystem::path. Give variables more distinctive names.
5713 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
5714 member function to perform non-trivial assignment.
5715 (_Optional_payload_base::_M_move_assign): Likewise.
5716 (_Optional_payload<T, true, false, true>::operator=)
5717 (_Optional_payload<T, true, true, false>::operator=)
5718 (_Optional_payload<T, true, false, false>::operator=): Call
5719 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
5722 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
5723 test std::complex<long double> if long double format is IBM128.
5724 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
5727 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5729 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
5730 for old std::unique_ptr layout.
5731 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
5732 to become valueless. Add filesystem::path tests.
5735 * include/std/optional (_Optional_payload_base): New class template
5736 for common code hoisted from _Optional_payload specializations. Use
5737 a template for the union, to allow a partial specialization for
5738 types with non-trivial destructors. Add constructors for in-place
5739 initialization to the union.
5740 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
5741 to perform non-trivial copy construction, instead of relying on
5742 non-standard copy elision in a delegating constructor.
5743 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
5744 non-trivial move construction.
5745 (_Optional_payload): Derive from _Optional_payload_base and use it
5746 for everything except the non-trivial assignment operators, which are
5748 (_Optional_payload<false, C, M>): Derive from the specialization
5749 _Optional_payload<true, false, false> and add a destructor.
5750 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
5751 Forward to corresponding members of _Optional_payload.
5752 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
5753 Hoist common members from _Optional_base.
5754 (_Optional_base): Make all members and base class public.
5755 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
5756 _Optional_base_impl.
5757 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
5758 support for new std::optional layout.
5759 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
5762 * include/bits/locale_conv.h: Use <> for includes not "".
5763 * include/ext/random: Likewise.
5764 * include/ext/vstring.h: Likewise.
5766 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5768 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
5769 (GLIBCXX_3.4.21): Likewise.
5771 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5774 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
5775 to match the one that controls whether utimbuf and utime are declared.
5777 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
5780 * include/bits/char_traits.h (char_traits::move): Do not pass null
5781 pointers to memmove.
5782 * include/bits/locale_facets.h
5783 (ctype<char>::widen(const char*, const char*, char*)): Do not
5784 pass null pointers to memcpy.
5785 (ctype<char>::narrow(const char*, const char*, char, char*)):
5787 (ctype<char>::do_widen(const char*, const char*, char*)):
5789 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
5792 * doc/xml/manual/spine.xml: Update copyright years.
5793 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
5794 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
5795 for C++17 filesystem library.
5796 * doc/html/*: Regenerate.
5798 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
5799 * config.h.in: Regenerate.
5800 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
5801 alphabetically and add missing entries for copy_symlink,
5802 hard_link_count, rename, and resize_file.
5803 * configure: Regenerate.
5804 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
5805 used unconditionally.
5806 * src/filesystem/ops-common.h (__gnu_posix::truncate)
5807 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
5808 supports truncating to zero length.
5809 * testsuite/27_io/filesystem/operations/all.cc: New test.
5810 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
5812 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
5815 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
5816 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
5817 * config.h.in: Regenerate.
5818 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
5819 remaining std::filesystem types and functions.
5820 * configure: Regenerate.
5821 * src/c++17/Makefile.am: Add C++17 filesystem sources.
5822 * src/c++17/Makefile.in: Regenerate.
5823 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
5824 here, and change name of included file.
5825 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
5826 here, and change name of included file.
5827 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
5828 path to dir-common.h.
5829 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
5830 path to ops-common.h. Disable -Wunused-parameter warnings.
5831 (internal_file_clock): Define unconditionally.
5832 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
5834 (do_copy_file, do_space): Move definitions to ops.common.h.
5835 (copy, file_size, hard_link_count, last_write_time, space): Only
5836 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
5838 (last_write_time, read_symlink): Remove unused attributes from
5840 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
5841 * src/filesystem/Makefile.in: Regenerate.
5842 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
5843 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
5844 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
5845 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
5846 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
5847 dummy types and functions instead of using #error.
5848 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
5849 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
5851 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
5852 (do_copy_file, do_space): Move definitions here from std-ops.cc.
5853 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
5854 to account for new namespace.
5855 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
5856 -lstdc++fs from dg-options.
5857 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
5858 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
5859 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
5860 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
5861 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
5863 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
5864 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5866 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
5867 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
5868 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
5869 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
5870 * testsuite/27_io/filesystem/operations/create_directories.cc:
5872 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
5873 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
5874 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
5875 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
5876 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
5877 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
5878 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5879 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
5880 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
5881 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
5882 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
5883 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
5884 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
5885 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
5886 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
5887 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
5888 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
5889 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
5891 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
5895 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
5896 typeinfo and vtables less greedy.
5897 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
5898 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
5899 * src/c++17/Makefile.in: Regenerate.
5900 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
5901 here, and change name of included file.
5902 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
5903 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
5905 * src/filesystem/Makefile.in: Regenerate.
5906 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
5907 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
5908 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
5909 from dg-options and remove dg-require-filesystem-ts.
5910 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
5911 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
5912 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
5913 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
5914 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
5915 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
5916 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
5917 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
5918 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
5919 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
5920 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
5921 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
5922 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
5923 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
5924 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
5925 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
5926 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
5927 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
5928 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
5929 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
5930 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
5932 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
5933 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
5934 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
5935 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
5936 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
5937 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
5938 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
5939 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
5940 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
5941 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
5942 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
5943 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
5945 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
5947 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5949 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
5951 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
5952 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
5953 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
5954 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
5955 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
5956 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
5957 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
5958 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
5959 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
5960 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
5962 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
5963 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
5964 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
5965 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
5966 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
5969 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
5970 Check is_trivially_copyable instead of is_scalar.
5971 (variant::emplace<N, Args>(Args&&...)): If construction of the new
5972 contained value can throw and its type is trivially copyable then
5973 construct into a temporary variant and move from it, to provide the
5974 strong exception safety guarantee.
5975 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
5977 * testsuite/20_util/variant/87431.cc: New test.
5978 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
5979 conversion causes valueless state.
5982 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
5983 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
5984 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
5985 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
5986 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
5988 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
5990 * include/bits/fs_fwd.h (__file_clock): Define new clock.
5991 (file_time_type): Redefine in terms of __file_clock.
5992 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
5994 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
5996 (internal_file_lock): New helper type for accessing __file_clock.
5997 (do_copy_file): Use internal_file_lock to convert system time to
5999 (last_write_time(const path&, error_code&)): Likewise.
6000 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
6002 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
6004 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
6005 for const member functions of std::basic_string.
6006 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
6008 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
6009 Make non-standard constructor private.
6010 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
6012 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
6013 explicit instantiations for C++17 as well as earlier dialects.
6014 * src/c++17/Makefile.am: Add new source files.
6015 * src/c++17/Makefile.in: Regenerate.
6016 * src/c++17/cow-string-inst.cc: New file defining explicit
6017 instantiations for basic_string member functions added in C++17.
6018 * src/c++17/string-inst.cc: Likewise.
6020 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
6021 copy/move constructors for old std::basic_string.
6022 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
6023 (basic_string::reference, basic_string::const_reference): Define
6024 as plain references for C++11 and later.
6025 (basic_string::basic_string()): Put constructor body outside
6026 preprocessor conditional groups.
6027 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
6028 instead of copying it.
6029 (basic_string::basic_string(const basic_string&, const _Alloc&)):
6031 (basic_string::basic_string(basic_string&&, const _Alloc&)):
6033 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
6034 cases for old basic_string.
6035 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
6036 allocator-extended constructors unconditionally. Add extra members to
6037 allocator type when using old string ABI.
6038 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
6040 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
6042 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
6043 -fno-inline added to test flags.
6045 * testsuite/21_strings/basic_string/requirements/
6046 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
6048 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
6049 assertion failures with old std::string ABI.
6051 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
6053 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
6054 functions that will only erase elements at the end.
6055 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
6056 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
6057 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
6059 (path::_List::pop_back()): Define.
6060 (path::_List::_M_erase_from(const_iterator)): Define.
6061 (path::operator/=(const path&)): Use pop_back to remove last component
6062 and _M_erase_from to remove multiple components.
6063 (path::_M_append(basic_string_view<value_type>)): Likewise.
6064 (path::operator+=(const path&)): Likewise.
6065 (path::_M_concat(basic_string_view<value_type>)): Likewise.
6066 (path::remove_filename()): Likewise.
6067 (path::lexically_normal()): Use _List::_Impl iterators instead of
6068 path::iterator. Use pop_back to remove components from the end. Clear
6069 trailing filename, instead of using erase(const_iterator) to remove
6070 a non-final component.
6071 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
6073 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
6075 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
6076 incorrect treatment of empty filename after trailing slash.
6077 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
6079 * testsuite/21_strings/basic_string/modifiers/assign/char/
6080 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
6082 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
6083 move_assign_optim.cc: Likewise.
6085 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6086 Jakub Jelinek <jakub@redhat.com>
6089 * include/experimental/memory: Replace UTF-8 quote characters.
6090 * include/std/future: Replace UTF-8 "em dash" characters.
6092 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
6095 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
6096 * include/debug/forward_list: Likewise.
6097 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
6099 * include/experimental/chrono: Likewise.
6100 * include/experimental/functional: Likewise.
6101 * include/experimental/ratio: Likewise.
6102 * include/experimental/system_error: Likewise.
6103 * include/experimental/tuple: Likewise.
6104 * include/experimental/type_traits: Likewise.
6105 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
6106 * include/parallel/multiseq_selection.h: Likewise.
6109 * config/abi/pre/gnu.ver: Add missing exports.
6110 * testsuite/22_locale/collate_byname/88681.cc: New test.
6111 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
6112 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
6114 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
6116 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
6117 initializer_list<value_type> and from input iterator ranges.
6118 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
6120 * testsuite/experimental/string_view/element_access/char/empty.cc:
6121 Fix year range in copyright header.
6123 2019-01-02 Joel Brobecker <brobecker@adacore.com>
6125 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
6126 Fix year range in copyright header.
6128 2019-01-01 Jakub Jelinek <jakub@redhat.com>
6130 Update copyright years.
6132 Copyright (C) 2019 Free Software Foundation, Inc.
6134 Copying and distribution of this file, with or without modification,
6135 are permitted in any medium without royalty provided the copyright
6136 notice and this notice are preserved.