1 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3 * include/std/type_traits (__is_nt_convertible_helper): Define it
4 unconditionally, not only for C++20.
5 (__is_nothrow_convertible): Define internal trait for use in C++11.
6 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
7 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
8 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
9 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
10 that has nothrow explicit conversion but potentially-throwing implicit
12 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
13 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
14 function to only consider implicit conversions.
15 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
17 * include/std/iterator: Include <iosfwd> instead of <istream> and
20 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
21 Remove unused, non-standard function.
23 * include/bits/regex.h (match_results::max_size()): Adjust return
24 value to account for prefix/suffix/unmatched subs.
25 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
26 reset the contained sub matches.
27 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
28 function to set result state following a failed match.
29 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
30 sub_match states after _M_resize. Use _M_establish_failed_match.
33 * include/std/thread (thread::_State_impl, thread::_S_make_state):
34 Replace single _Callable parameter with variadic _Args pack, to
35 forward them directly to the tuple of decayed copies.
36 * testsuite/30_threads/thread/cons/69724.cc: New test.
38 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
40 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
41 * include/bits/basic_string.h: (operator=(const basic_string&):
42 Move allocator decision to assign.
43 (assign(const basic_string&)): Move allocator decision here.
44 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
46 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
49 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
51 * testsuite/util/testsuite_allocator.h (memory_resource)
52 (default_resource_mgr): Fix indentation.
54 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
55 Use operator-> to access raw pointer member.
56 * testsuite/23_containers/vector/59829.cc: Likewise.
57 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
58 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
59 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
61 (PointerBase, PointerBase_void): Derive from NullablePointer and use
62 its constructors and equality operators. Change converting
63 constructors to use operator-> to access private member of the other
65 (PointerBase_void::operator->()): Add, for access to private member.
66 (operator-(PointerBase, PointerBase)): Change to hidden friend.
67 (operator==(PointerBase, PointerBase)): Remove.
68 (operator!=(PointerBase, PointerBase)): Remove.
70 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
71 not assume field called _M_head_impl is the first tuple element.
72 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
73 implementation more accurate.
74 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
75 empty pointer type and non-empty deleter.
77 LWG 2899 - Make is_move_constructible correct for unique_ptr
78 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
79 move assignment operator.
80 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
81 (__uniq_ptr_data): New class template with conditionally deleted
83 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
84 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
85 constructor and move assignment operator as defaulted.
86 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
87 __uniq_ptr_impl::release().
88 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
89 to __uniq_ptr_impl::reset(pointer).
90 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
91 Check for new __uniq_ptr_data type.
92 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
94 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
96 PR libstdc++/90454.cc path construction from void*
97 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
98 pointers to void are rejected as well as void.
99 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
100 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
102 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
104 * doc/xml/manual/policy_data_structures.xml: Comment out stray
105 <remark> elements. Fix formatting of bibliography references.
107 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
109 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
111 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
113 Remove Profile Mode, deprecated since 7.1.0
114 * doc/Makefile.am: Remove XML file for profile mode docs.
115 * doc/Makefile.in: Regenerate.
116 * doc/xml/authors.xml: Remove authors of profile mode docs.
117 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
119 * doc/xml/manual/debug.xml: Likewise.
120 * doc/xml/manual/evolution.xml: Document removal of profile mode.
121 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
122 * doc/xml/manual/spine.xml: Remove profile mode author credit.
123 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
125 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
127 * doc/html/*: Regenerate.
128 * include/Makefile.am: Remove profile mode headers.
129 * include/Makefile.in: Regenerate.
130 * include/bits/c++config (std::__profile): Remove namespace.
131 [_GLIBCXX_PROFILE]: Remove checks for macro.
132 * include/profile/array: Remove.
133 * include/profile/base.h: Remove.
134 * include/profile/bitset: Remove.
135 * include/profile/deque: Remove.
136 * include/profile/forward_list: Remove.
137 * include/profile/impl/profiler.h: Remove.
138 * include/profile/impl/profiler_algos.h: Remove.
139 * include/profile/impl/profiler_container_size.h: Remove.
140 * include/profile/impl/profiler_hash_func.h: Remove.
141 * include/profile/impl/profiler_hashtable_size.h: Remove.
142 * include/profile/impl/profiler_list_to_slist.h: Remove.
143 * include/profile/impl/profiler_list_to_vector.h: Remove.
144 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
145 * include/profile/impl/profiler_node.h: Remove.
146 * include/profile/impl/profiler_state.h: Remove.
147 * include/profile/impl/profiler_trace.h: Remove.
148 * include/profile/impl/profiler_vector_size.h: Remove.
149 * include/profile/impl/profiler_vector_to_list.h: Remove.
150 * include/profile/iterator_tracker.h: Remove.
151 * include/profile/list: Remove.
152 * include/profile/map: Remove.
153 * include/profile/map.h: Remove.
154 * include/profile/multimap.h: Remove.
155 * include/profile/multiset.h: Remove.
156 * include/profile/ordered_base.h: Remove.
157 * include/profile/set: Remove.
158 * include/profile/set.h: Remove.
159 * include/profile/unordered_base.h: Remove.
160 * include/profile/unordered_map: Remove.
161 * include/profile/unordered_set: Remove.
162 * include/profile/vector: Remove.
163 * scripts/run_doxygen: Do not process profile mode headers.
164 * testsuite/23_containers/array/element_access/60497.cc: Don't use
166 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
167 Remove dg-skip-if for profile mode.
168 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
169 preprocessor check for profile mode.
170 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
171 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
173 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
175 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
176 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
177 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
178 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
179 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
181 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
183 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
185 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
187 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
188 preprocessor check for profile mode.
189 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
191 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
192 Remove dg-skip-if for profile mode.
193 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
194 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
195 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
196 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
197 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
198 * testsuite/Makefile.am: Remove profile_flags variable and
199 * testsuite/Makefile.am: Remove profile_flags variable and
200 check-profile target.
201 * testsuite/Makefile.in: Regenerate.
202 * testsuite/ext/profile/all.cc: Remove.
203 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
204 * testsuite/ext/profile/profiler_algos.cc: Remove.
205 * testsuite/ext/profile/replace_new.cc: Remove.
206 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
207 preprocessor check for profile mode.
208 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
209 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
210 (check_v3_target_normal_mode): Do not check for profile mode macro.
211 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
213 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
214 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
215 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
216 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
217 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
218 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
219 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
220 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
221 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
222 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
224 Remove array_allocator extension, deprecated since 4.9.0
225 * doc/xml/manual/allocator.xml: Remove documentation for
227 * doc/xml/manual/evolution.xml: Document array_allocator removal.
228 * doc/xml/manual/using.xml: Remove header from documentation.
229 * include/Makefile.am: Remove <ext/array_allocator.h> header.
230 * include/Makefile.in: Regenerate.
231 * include/ext/array_allocator.h: Remove.
232 * include/precompiled/extc++.h: Do not include removed header.
233 * testsuite/ext/array_allocator/1.cc: Remove.
234 * testsuite/ext/array_allocator/2.cc: Remove.
235 * testsuite/ext/array_allocator/26875.cc: Remove.
236 * testsuite/ext/array_allocator/3.cc: Remove.
237 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
238 * testsuite/ext/array_allocator/check_delete.cc: Remove.
239 * testsuite/ext/array_allocator/check_new.cc: Remove.
240 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
241 * testsuite/ext/headers.cc: Do not include removed header.
243 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
245 * include/bits/stl_bvector.h
246 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
248 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
250 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
252 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
254 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
256 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
258 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
260 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
262 (_Bit_iterator::operator-(difference_type)): Likewise.
263 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
264 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
266 (_Bit_const_iterator::operator-(difference_type)): Likewise.
267 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
269 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
272 * testsuite/util/thread/all.h: Do not use remove_pointer for
273 std::thread::native_handle_type.
276 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
277 (_Variant_storage<true, Types...>::_M_reset()))
278 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
279 (__get_storage): Likewise.
280 (variant): Add noexcept to friend declarations for __get and
284 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
285 Use _Require for constraints.
286 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
288 (__uniq_ptr_hash): New base class with conditionally-disabled call
290 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
291 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
292 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
294 * include/bits/shared_ptr.h: Improve docs.
295 * include/bits/shared_ptr_base.h: Likewise.
296 * include/bits/stl_uninitialized.h: Likewise.
297 * include/bits/unique_ptr.h: Likewise.
298 * libsupc++/new: Likewise.
300 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
302 * include/bits/stl_deque.h
303 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
305 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
307 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
309 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
311 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
313 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
315 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
317 (_Deque_iterator<>::operator-(difference_type)): Likewise.
319 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
322 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
323 (test01): Reserve for number of insertions to avoid rehash during test.
324 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
326 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
331 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
333 * include/experimental/bits/fs_path.h: Improve docs.
334 * include/experimental/bits/net.h: Fix wrong header name in comment.
335 Do not document implementation details.
336 * include/experimental/netfwd: Fix doxygen grouping.
338 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
340 * include/bits/stl_pair.h: Improve docs.
341 * include/std/tuple: Likewise.
343 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
345 * include/std/chrono: Improve docs.
346 * include/std/ratio: Do not document implementation details.
347 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
349 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
352 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
353 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
354 (__duration_common_type): New helper.
355 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
356 __duration_common_type.
357 (__timepoint_common_type_wrapper): Replace with ...
358 (__timepoint_common_type): New helper.
359 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
360 Use __time_point_common_type.
361 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
362 (__common_type_impl): If either argument is transformed by decay,
363 use the common_type of the decayed types.
364 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
365 decayed, use __do_common_type_impl to get the common_type.
366 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
367 (__do_member_type_wrapper, __member_type_wrapper)
368 (__expanded_common_type_wrapper): Remove.
369 (__common_type_pack, __common_type_fold): New helpers.
370 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
371 __member_type_wrapper and __expanded_common_type_wrapper.
372 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
373 Test zero-length template argument list.
374 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
375 Test single argument cases and argument types that should decay.
376 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
377 Adjust expected error.
378 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
380 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
381 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
382 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
384 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
386 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
388 Make allocator propagation more consistent for
389 operator+(basic_string) (P1165R1)
390 * include/bits/basic_string.h
391 (operator+(basic_string&&, basic_string&&): Changed resulting
392 allocator to always be the one from the first parameter.
393 * include/bits/basic_string.tcc
394 (operator+(const _CharT*, const basic_string&)): Changed
395 resulting allocator to be SOCCC on the second parameter's allocator.
396 (operator+(_CharT, const basic_string&)): Likewise.
397 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
399 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
402 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
404 * include/bits/regex.h: Improve docs.
405 * include/bits/regex.tcc: Do not document implementation details.
407 * testsuite/19_diagnostics/error_code/hash.cc: New test.
409 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
411 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
412 Add type printer for container types in std::__debug namespace.
413 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
414 (gdb-tests): Use distinct parameters for the type of test and use of
416 (gdb-test): Check for regex test even if 'whatis' test.
417 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
419 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
420 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
421 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
422 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
423 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
424 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
425 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
427 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
429 * include/std/system_error (error_category): Fix comment.
432 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
433 argument is an empty path.
434 (absolute(const path&, error_code&)): Use invalid_argument as error
435 code instead of no_such_file_or_directory.
436 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
437 of non-existent paths and empty paths with both overloads of absolute.
439 * include/std/system_error (error_category, error_code)
440 (error_condition): Improve docs.
441 * libsupc++/exception: Add missing @addtogroup Doxygen command.
442 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
443 to class documentation. Suppress documentation for implementation
445 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
446 Suppress documentation for implementation details.
448 * include/std/system_error (error_code): Remove friend declaration
449 for hash<error_code>.
450 (hash<error_code>::operator()): Use public member functions to access
452 (hash<error_condition>::operator()): Use address of category, not
453 its object representation.
454 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
455 Use public member functions to access value and category.
456 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
458 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
460 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
461 * include/bits/hashtable_policy.h
462 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
463 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
464 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
465 smaller than input value rather than always greater. Preserve
466 _M_next_resize if called with 0 input. Use __builtin_floorl.
467 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
468 elements + number of insertions is greater than _M_next_resize. Start
469 with 11 buckets if not told otherwise. Use __builtin_floorl.
470 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
471 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
472 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
473 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
474 told otherwise. Use __builtin_floorl.
475 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
476 to also validate _Power2_rehash_policy.
477 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
480 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
483 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
487 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
488 overflow warning with -Wpedantic -Wsystem-headers.
490 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
493 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
494 * include/bits/move.h (swap): Remove extra parentheses.
496 * include/experimental/bits/lfts_config.h: Improve doc markup.
497 * include/experimental/optional: Improve docs.
498 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
499 (__constexpr_addressof): Remove.
500 (optional::operator->()): Use std::__addressof().
501 * include/std/optional (optional::operator->()): Adjust whitespace.
502 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
503 that operator-> is still constexpr with overloaded operator&. Change
504 to compile-only test.
505 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
508 * include/bits/shared_ptr.h: Improve docs.
509 * include/bits/shared_ptr_atomic.h: Likewise.
510 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
512 * include/bits/basic_string.h: Fix iterator/index confusion in
514 * include/bits/range_access.h: Fix Doxygen warnings.
515 * include/bits/refwrap.h: Do not document implementation details.
516 (ref, cref): Group docs with reference_wrapper.
517 * include/std/fstream: Fix Doxygen markup.
518 * libsupc++/initializer_list (begin, end): Group docs with
521 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
523 * include/bits/unique_lock.h: Fix/improve doxygen markup.
524 * include/std/mutex: Likewise.
525 * include/std/shared_mutex: Likewise.
527 * include/bits/fs_dir.h: Fix/improve doxygen markup.
528 * include/bits/fs_fwd.h: Likewise.
529 * include/bits/fs_ops.h: Likewise.
530 * include/bits/fs_path.h: Likewise.
531 * include/std/filesystem: Likewise.
533 * include/experimental/bits/net.h: Fix/improve doxygen markup.
534 * include/experimental/buffer: Likewise.
535 * include/experimental/executor: Likewise.
536 * include/experimental/internet: Likewise.
537 * include/experimental/io_context: Likewise.
538 * include/experimental/net: Likewise.
539 * include/experimental/netfwd: Likewise.
540 * include/experimental/socket: Likewise.
541 * include/experimental/timer: Likewise.
543 * doc/doxygen/doxygroups.cc: Move description of experimental group
545 * include/experimental/algorithm: Add to libfund-ts doc group.
546 * include/experimental/any: Likewise. Do not document implementation
548 * include/experimental/array: Add to libfund-ts doc group.
549 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
550 for Library Fundamentals.
551 * include/experimental/chrono: Add to libfund-ts doc group.
552 * include/experimental/deque: Likewise.
553 * include/experimental/forward_list: Likewise.
554 * include/experimental/functional: Likewise.
555 * include/experimental/iterator: Likewise.
556 * include/experimental/list: Likewise.
557 * include/experimental/map: Likewise.
558 * include/experimental/memory: Likewise.
559 * include/experimental/memory_resource: Likewise. Improve docs.
561 * include/experimental/numeric: Add to libfund-ts doc group.
562 * include/experimental/optional: Likewise.
563 * include/experimental/propagate_const: Likewise.
564 * include/experimental/random: Likewise.
565 * include/experimental/ratio: Likewise.
566 * include/experimental/regex: Likewise.
567 * include/experimental/set: Likewise.
568 * include/experimental/source_location: Likewise.
569 * include/experimental/string: Likewise.
570 * include/experimental/string_view: Likewise.
571 * include/experimental/system_error: Likewise.
572 * include/experimental/tuple: Likewise.
573 * include/experimental/type_traits: Likewise.
574 * include/experimental/unordered_map: Likewise.
575 * include/experimental/unordered_set: Likewise.
576 * include/experimental/utility: Likewise.
577 * include/experimental/vector: Likewise.
578 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
579 * testsuite/experimental/array/neg.cc: Adjust dg-error.
580 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
582 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
583 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
584 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
585 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
586 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
588 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
589 * include/experimental/bits/fs_fwd.h: Improve docs.
590 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
591 * include/experimental/bits/fs_path.h: Likewise.
592 (path, filesystem_error, u8path): Improve docs.
593 * include/experimental/filesystem: Link to docs for TS.
595 * config/allocator/new_allocator_base.h (__allocator_base): Add
596 workaround for Doxygen bug #6945.
597 * include/std/memory: Improve docs. Define group for pointer safety.
598 * include/std/scoped_allocator: Improve docs. Use "undocumented"
599 conditional to suppress documentation for implementation details.
601 * include/bits/specfun.h: Improve docs.
602 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
605 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
606 (std::experimental): Add docs.
607 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
608 namespace to nothing when generating docs.
609 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
610 * include/std/chrono (std::chrono): Likewise.
611 * include/std/functional (std::placeholders): Likewise.
612 * include/std/thread (std::this_thread): Likewise.
614 * include/parallel/settings.h: Fix Doxygen markup.
616 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
617 anything unless PB_DS_CLASS_C_DEC is defined.
618 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
619 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
620 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
621 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
622 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
623 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
624 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
626 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
627 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
628 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
629 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
630 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
631 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
632 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
633 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
634 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
635 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
636 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
638 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
639 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
641 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
644 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
645 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
646 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
649 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
651 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
652 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
653 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
654 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
655 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
656 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
658 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
659 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
662 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
665 * include/std/complex (__complex_proj): Return parameter unchanged.
666 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
667 floating-point types to take std::complex arguments.
668 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
669 floating-point types.
670 * testsuite/26_numerics/complex/proj.cc: New test.
672 2019-04-30 Jakub Jelinek <jakub@redhat.com>
674 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
675 to _Lock_policyE[012].
676 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
678 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
680 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
681 macros accidentally left in.
682 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
683 unnecessary -lstdc++fs option. Fix test for mingw.
684 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
687 2019-04-30 Jakub Jelinek <jakub@redhat.com>
689 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
691 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
693 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
695 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
696 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
699 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
701 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
704 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
705 class template and partial specialization.
708 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
710 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
711 functions to convert a value to an integral type.
712 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
713 (fill_n): Convert _Size parameter to an integral type.
714 * testsuite/25_algorithms/fill_n/87982.cc: New test.
715 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
716 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
717 * testsuite/25_algorithms/generate_n/87982.cc: New test.
718 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
719 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
721 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
723 Adding noexcept-specification on tuple constructors (LWG 2899)
724 * libstdc++-v3/include/std/tuple:
725 (tuple()): Add noexcept-specification.
726 (tuple(const _Elements&...)): Likewise
727 (tuple(_UElements&&...)): Likewise
728 (tuple(const tuple<_UElements...>&)): Likewise
729 (tuple(tuple<_UElements...>&&)): Likewise
730 (tuple(const _T1&, const _T2&)): Likewise
731 (tuple(_U1&&, _U2&&)): Likewise
732 (tuple(const tuple<_U1, _U2>&): Likewise
733 (tuple(tuple<_U1, _U2>&&): Likewise
734 (tuple(const pair<_U1, _U2>&): Likewise
735 (tuple(pair<_U1, _U2>&&): Likewise
736 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
738 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
741 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
742 arguments with __restrict.
744 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
746 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
748 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
750 * include/experimental/bits/fs_path.h
751 (path::_S_convert_loc<_InputIterator>): Create const std::string to
752 avoid redundant call to _S_convert_loc with non-const pointers.
754 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
755 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
756 * testsuite/21_strings/basic_string/hash/hash.cc
757 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
758 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
759 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
761 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
762 wstring::_M_replace_dispatch with more specific patterns.
763 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
764 Create const std::string to avoid redundant call to _S_convert_loc
765 with non-const pointers.
766 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
767 avoid unnecessary basic_string::assign instantiations.
769 * include/std/memory (__uses_alloc_args): Add string-literal to
770 static_assert, to match the one in __uses_alloc.
771 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
772 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
773 for recursive uses-allocator construction of nested pairs.
774 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
777 2019-04-26 Jakub Jelinek <jakub@redhat.com>
779 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
780 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
781 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
782 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
784 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
785 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
786 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
787 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
788 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
789 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
790 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
792 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
795 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
796 * include/std/scoped_allocator [__cplusplus > 201703L]
797 (scoped_allocator_adaptor::construct): Define in terms of
798 uses_allocator_construction_args, as per P0591R4.
799 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
800 * testsuite/util/testsuite_allocator.h: Remove name of unused
803 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
805 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
806 * doc/html/*: Regenerate.
808 * include/bits/fs_path.h (operator<, operator<=, operator>)
809 (operator>=, operator==, operator!=): Make hidden friends, as per
811 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
813 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
815 * include/std/any (any::any(ValueType&&)): Use __and_v.
816 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
819 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
821 * include/std/type_traits (__result_of_memfun): Use remove_reference
822 instead of __remove_cvref_t and remove redundant is_same check.
823 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
825 * include/experimental/string_view (basic_string_view::pointer)
826 (basic_string_view::reference): Fix to refer to non-const value_type.
827 * include/bits/basic_string.h (basic_string): Use __sv_check and
828 __sv_limit instead of basic_string_view::_M_check and
829 basic_string_view::_M_limit.
830 * include/std/string_view (__sv_check, __sv_limit): New
831 helper functions to replace basic_string_view::_M_check and
832 basic_string_view::_M_limit.
833 (basic_string_view): Add static assertions to enforce ill-formed
834 requirement for traits_type::char_type from P1148R0, and to enforce
835 required properties of char-like types.
836 (basic_string_view::pointer, basic_string_view::reference): Fix to
837 refer to non-const value_type.
838 (basic_string_view::operator[], basic_string_view::at)
839 (basic_string_view::front, basic_string_view::back)
840 (basic_string_view::data): Use const_reference and const_pointer
841 typedefs for return types.
842 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
843 (hash<wstring_view>): Fix argument_type typedef.
844 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
845 char/1.cc: Fix expected return type of basic_string_view::data().
846 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
847 wchar_t/1.cc: Likewise.
848 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
850 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
851 wchar_t/1.cc: Likewise.
852 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
854 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
855 Check reference and pointer typedefs.
856 * testsuite/experimental/string_view/requirements/typedefs.cc:
858 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
859 Fix expected return type of basic_string_view::data().
860 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
862 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
864 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
868 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
869 Avoid a runtime check for types that can never be stored in std::any.
870 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
873 PR libstdc++/90220 (partial)
874 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
875 not attempt ill-formed static_cast to pointers to non-object types.
876 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
879 * testsuite/20_util/variant/run.cc: Catch exception by reference to
880 prevent -Wcatch-value warning.
882 * include/std/variant (__variant_construct): Use template parameter
883 type instead of equivalent decltype-specifier.
884 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
885 Replace forward with move.
886 (_Move_ctor_base<false, Types...>::_M_destructive_move)
887 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
888 (_Move_ctor_base<true, Types...>::_M_destructive_move)
889 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
890 index after construction succeeds.
891 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
892 if-constexpr checks that are always true. Use __remove_cvref_t instead
893 of remove_reference so that is_nothrow_move_constructible check
894 doesn't use a const rvalue parameter. In the potentially-throwing case
895 construct a temporary and move assign it, as per LWG 2904.
896 (_Move_assign_base<false, Types...>::operator=): Remove redundant
897 if-constexpr checks that are always true. Use emplace as per LWG 2904.
898 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
899 construct a temporary and move assign from it, as per LWG 2904.
900 * testsuite/20_util/variant/exception_safety.cc: Check that
901 assignment operators have strong exception safety guarantee.
903 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
905 Document PSTL linker flags
907 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
909 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
911 * include/std/variant (__detail::__variant::_Traits): Make
912 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
913 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
915 (__detail::__variant::_Copy_assign_alias): Only depend on
916 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
917 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
918 move assignment operators.
921 * include/std/variant (variant::__not_self): New helper for the
922 is_same_v<remove_cvref_t<T>, variant>==false constraints.
923 (variant::__to_type_impl): Remove.
924 (variant::__to_type): Add default argument to check pack size, instead
925 of using __to_type_impl.
926 (variant::__accepted_type): Add default argument using __not_self.
927 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
928 for variant(T&&) constructor constraint.
929 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
930 Extract __accepted_type into a named template parameter for reuse in
931 other constraints and in the exception specification.
932 (variant::variant(in_place_type_t<T>, Args&&...))
933 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
934 (variant::variant(in_place_index_t<T>, Args&&...))
935 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
936 (variant::operator=T&&)): Remove redundant && from trait arguments.
937 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
938 isn't used for in_place_type or in_place_index arguments.
940 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
941 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
942 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
944 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
945 Bernd Edlinger <bernd.edlinger@hotmail.de>
946 Jakub Jelinek <jakub@redhat.com>
949 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
950 general-regs-only target attribute for ARM.
952 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
955 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
956 specialization also depend on is_nothrow_move_constructible.
957 * include/std/variant (__detail::__variant::__never_valueless()):
958 Only true if the variant would have a move assignment operator.
959 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
960 Check __never_valueless<T...>().
961 (variant::emplace): Only perform non-throwing move assignments
962 for never-valueless alternatives if the variant has a move assignment
964 * testsuite/20_util/variant/compile.cc: Check that never-valueless
965 types can be emplaced into non-assignable variants.
966 * testsuite/20_util/variant/run.cc: Check that never-valueless types
967 don't get copied when emplaced into non-assignable variants.
969 * include/std/variant (__detail::__variant::__ref_cast): Remove
971 (__detail::__variant::_Uninitialized::_M_get)
972 (__detail::__variant::__get)
973 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
975 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
977 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
979 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
980 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
981 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
982 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
984 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
986 Delegate PSTL configuration to pstl/pstl_config.h
988 * include/bits/c++config: Remove explicit PSTL configuration
989 macros and use definitions from <pstl/pstl_config.h>.
991 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
993 Cleanup algorithm implementations
994 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
996 (mismatch): Forward execution policy.
997 (equal): Qualify call to std::equal().
998 (partial_sort): Forward execution policy.
999 (inplace_merge): Forward execution policy.
1001 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
1003 Improve implementation of parallel equal()
1004 * include/pstl/algorithm_impl.h
1005 (__internal::__brick_equal): use "4 iterator" version of
1007 (__internal::__brick_equal): use simd for random access
1008 iterators on unsequenced execution policies.
1009 (__internal::__pattern_equal): add "4 iterator" version
1010 (__internal::__pattern_equal): dispatch to simd __brick_equal
1011 for vector-only execution policies.
1012 (__internal::__pattern_equal): dispatch to __parallel_or for
1013 parallel execution policies.
1014 * include/pstl/glue_algorithm_impl.h
1015 (std::equal): dispatch to "4 iterator" version of
1016 __internal::__pattern_equal().
1018 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
1021 * include/bits/forward_list.h (operator==): Do not use operator!= to
1023 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
1024 earlier in the list, so that sort is stable.
1025 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
1026 * testsuite/23_containers/forward_list/comparable.cc: Test with
1027 types that meet the minimum EqualityComparable and LessThanComparable
1028 requirements. Remove irrelevant comment.
1030 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
1031 Do not depend on whether all alternative types are move constructible.
1032 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
1033 from the operand when deciding whether to perform the assignment.
1034 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
1035 with deleted move constructor and deleted move assignment operator.
1036 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
1037 behaviour of variants with DeletedMoves as an alternative.
1038 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
1039 (move_ctor, move_assign): Check that moving a variant with a
1040 DeletedMoves alternative falls back to copying instead of moving.
1042 * testsuite/20_util/variant/compile.cc: Remove empty string literals
1043 from static_assert declarations.
1045 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
1046 actually match its name.
1047 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
1048 (test_swap()): Fix result for MoveCtorOnly and check
1049 MoveCtorAndSwapOnly.
1051 * include/std/optional (optional::value_or(U&&) &&): Add missing
1052 constexpr specifier.
1053 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
1054 for disengaged optionals and rvalue optionals.
1055 * testsuite/20_util/optional/observers/4.cc: Likewise.
1057 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
1059 * include/pstl/algorithm_impl.h: Uglify identfiers.
1060 * include/pstl/numeric_impl.h: Uglify identfiers.
1061 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
1063 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
1065 * include/bits/c++config:
1066 Add definition for __PSTL_ASSERT.
1067 Add definition for __PSTL_ASSERT_MSG.
1068 * include/pstl/algorithm_impl.h: Replace use of assert().
1069 * include/pstl/numeric_impl.h: Replace use of assert().
1070 * include/pstl/parallel_backend_tbb.h:
1071 Replace use of assert().
1072 Replace use of __TBB_ASSERT().
1073 * include/pstl/parallel_backend_utils.h: Replace use of assert().
1075 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
1078 * src/c++17/memory_resource.cc
1079 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
1080 needed to allow placing a _Chunk at the end of the buffer.
1081 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
1083 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
1085 * doc/xml/faq.xml: Add information about emergency EH pool.
1086 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
1087 Move outdated information on mt_allocator to a separate section.
1088 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
1089 doesn't affect the default allocator.
1091 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
1095 * testsuite/20_util/variant/89851.cc: New test.
1097 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
1099 * include/std/variant: Adjust whitespace. Add comments.
1100 (_Multi_array): Leave primary template undefined.
1101 (_Multi_array<_Tp>): Define partial specialization for base case of
1103 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
1104 which is always a reference.
1105 (__gen_vtable::_S_apply()): Remove function, inline body into
1106 default member initializer.
1107 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
1109 * include/std/variant (__variant_idx_cookie): Add member type.
1110 (__visitor_result_type): Remove.
1111 (__do_visit): Use invoke_result instead of __visitor_result_type.
1112 * testsuite/20_util/variant/visit.cc: New test.
1115 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
1117 * testsuite/20_util/variant/90008.cc: New test.
1119 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
1121 * include/pstl/algorithm_impl.h: Add namespace qualification.
1122 * include/pstl/execution_defs.h: Add namespace qualification.
1123 * include/pstl/execution_impl.h: Add namespace qualification.
1124 * include/pstl/numeric_impl.h: Add namespace qualification.
1125 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
1126 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
1127 * include/pstl/parallel_backend_utils.h: Include <cassert>.
1129 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
1131 Fix visit<R> for variant.
1132 * include/std/variant (__do_visit): Add a template parameter
1133 for enforcing same return types for visit.
1134 (__gen_vtable_impl): Likewise.
1135 (_S_apply_single_alt): Adjust.
1136 (__visit_invoke_impl): New. Handle casting to void.
1137 (__do_visit_invoke): New. Enforces same return types.
1138 (__do_visit_invoke_r): New. Converts return types.
1139 (__visit_invoke): Adjust.
1140 (__gen_vtable): Add a template parameter for enforcing
1141 same return types for visit.
1142 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
1143 different return types.
1144 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
1145 visitors with different return types don't accidentally
1146 compile with regular visitation.
1148 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
1150 * testsuite/27_io/filesystem/iterators/caching.cc: Add
1151 dg-require-filesystem-ts.
1153 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
1155 * doc/xml/manual/status_cxx2020.xml: Update status.
1156 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
1157 * testsuite/20_util/variant/visit_r.cc: New test.
1159 * include/bits/fs_dir.h (directory_iterator::operator*)
1160 (directory_iterator::operator->): Add noexcept.
1161 (operator==, operator!=): Replace namespace-scope equality operators
1162 for directory iterators with hidden friends.
1165 * config/abi/pre/gnu.ver: Add missing exports.
1166 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
1169 * config/abi/pre/gnu.ver: Export new symbols.
1170 * include/bits/fs_dir.h (recursive_directory_iterator::options())
1171 (recursive_directory_iterator::recursion_pending())
1172 (recursive_directory_iterator::disable_recursion_pending()): Remove
1173 inline definitions. Make noexcept.
1174 (recursive_directory_iterator::depth())
1175 (recursive_directory_iterator::operator*())
1176 (recursive_directory_iterator::operator->()): Make noexcept.
1177 (recursive_directory_iterator::_M_options)
1178 (recursive_directory_iterator::_M_pending): Remove data members.
1179 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
1180 (recursive_directory_iterator::recursive_directory_iterator): Remove
1181 ctor-initializer. Use new constructor for _Dir_stack.
1182 (recursive_directory_iterator::options())
1183 (recursive_directory_iterator::recursion_pending())
1184 (recursive_directory_iterator::disable_recursion_pending()): Add
1185 non-inline definitions.
1186 (recursive_directory_iterator::depth()): Make noexcept.
1187 (recursive_directory_iterator::increment(error_code&))
1188 (recursive_directory_iterator::pop(error_code&)): Adjust to new
1189 location of options and recursion_pending members.
1190 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
1191 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
1192 user-declared move constructor and assignment operator, to make the
1195 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
1196 d_type == DT_UNKNOWN immediately.
1197 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
1199 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
1201 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
1203 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
1204 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
1207 PR libstdc++/87431 (again)
1208 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
1209 Define partial specialization for basic_string.
1210 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
1211 shared_ptr and weak_ptr.
1212 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
1214 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
1216 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
1218 * include/debug/vector (_Never_valueless_alt): Likewise for debug
1220 * include/std/any (_Never_valueless_alt): Define explicit
1221 specialization for any.
1222 * include/std/variant (_Never_valueless_alt): Define primary template.
1223 (__never_valueless): Use _Never_valueless_alt instead of
1224 is_trivially_copyable.
1225 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
1226 initializations to avoid try-catch overhead. Add special case for
1227 scalars produced by potentially-throwing conversions. Use
1228 _Never_valueless_alt instead of is_trivially_copyable for the
1229 remaining strong exception-safety cases.
1230 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
1231 * testsuite/20_util/variant/87431.cc: Run both test functions.
1232 * testsuite/20_util/variant/exception_safety.cc: New test.
1233 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
1234 so the variant becomes valueless.
1236 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
1239 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
1241 (variant::emplace<_Tp>): Return result of emplace<N> directly.
1243 * include/std/string (__hash_string_base): New class template defining
1244 operator() for hashing strings.
1245 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
1246 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
1247 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
1248 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
1250 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
1252 Use single-visitation in variant assignment and swap and relops.
1253 Also use indices instead of types when checking whether
1254 variants hold the same thing.
1255 * include/std/variant (__do_visit): Add a template parameter
1256 for index visitation, invoke with indices if index visitation
1258 (__variant_idx_cookie): New.
1259 (__visit_with_index): Likewise.
1260 (_Copy_assign_base::operator=): Do single-visitation with
1262 (_Move_assign_base::operator=): Likewise.
1263 (_Extra_visit_slot_needed): Adjust.
1264 (__visit_invoke): Call with indices if it's an index visitor.
1265 (relops): Do single-visitation with an index visitor.
1267 (__visitor_result_type): New.
1269 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
1271 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
1273 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
1275 Don't revisit a variant we are already visiting.
1276 * include/std/variant (__variant_construct_single): New.
1277 (__variant_construct): Use it.
1278 (_M_destructive_move): Likewise.
1279 (_M_destructive_copy): Likewise.
1280 (_Copy_assign_base::operator=): Adjust.
1281 (_Move_assign_base::operator=): Likewise.
1284 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
1287 * include/bits/hashtable.h (_Hashtable): Move static assertions to
1288 destructor so they are not evaluated until the _Key type is complete.
1289 * include/bits/stl_tree.h (_Rb_tree): Likewise.
1290 * testsuite/23_containers/set/85965.cc: New test.
1291 * testsuite/23_containers/unordered_set/85965.cc: New test.
1292 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
1293 with regexp matching the corresponding _Rb_tree specialization.
1294 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
1295 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
1296 * testsuite/23_containers/set/48101_neg.cc: Likewise.
1297 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
1298 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
1299 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
1300 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
1302 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1305 Fix based on a suggestion by Antony Polukhin.
1306 * include/std/variant (__never_valueless): New.
1308 (_Extra_visit_slot_needed): New.
1309 (_Multi_array): Use it.
1310 (_S_apply_all_alts): Likewise.
1312 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1315 Fix based on a suggestion by Antony Polukhin.
1316 * include/std/variant (__gen_vtable): Don't reserve an
1317 additional table slot, _Multi_array already does that.
1319 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1322 Fix based on a suggestion by Antony Polukhin.
1323 * include/std/variant (__variant_construct): Capture a pointer
1324 to the storage and visit just one variant.
1326 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
1328 * doc/xml/manual/backwards_compatibility.xml: Remove link to
1329 Doxygen-generated pages with unstable URL.
1330 * doc/xml/manual/concurrency_extensions.xml: Likewise.
1331 * doc/xml/manual/extensions.xml: Likewise.
1332 * doc/xml/manual/parallel_mode.xml: Likewise.
1333 * doc/xml/manual/support.xml: Likewise.
1335 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
1336 avoid -Wconversion warnings.
1338 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
1340 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
1341 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
1342 (allstamped): Add stamp-pstl.
1343 (install-headers): Add ptsl_builddir.
1344 * include/Makefile.in: Regenerate.
1345 * include/bits/c++config: Add pstl configuration.
1346 * include/pstl/LICENSE.txt: New file.
1347 * include/pstl/algorithm_fwd.h: New file.
1348 * include/pstl/algorithm_impl.h: New file.
1349 * include/pstl/execution_defs.h: New file.
1350 * include/pstl/execution_impl.h: New file.
1351 * include/pstl/glue_algorithm_defs.h: New file.
1352 * include/pstl/glue_algorithm_impl.h: New file.
1353 * include/pstl/glue_execution_defs.h: New file.
1354 * include/pstl/glue_memory_defs.h: New file.
1355 * include/pstl/glue_memory_impl.h: New file.
1356 * include/pstl/glue_numeric_defs.h: New file.
1357 * include/pstl/glue_numeric_impl.h: New file.
1358 * include/pstl/memory_impl.h: New file.
1359 * include/pstl/numeric_fwd.h: New file.
1360 * include/pstl/numeric_impl.h: New file.
1361 * include/pstl/parallel_backend.h: New file.
1362 * include/pstl/parallel_backend_tbb.h: New file.
1363 * include/pstl/parallel_backend_utils.h: New file.
1364 * include/pstl/parallel_impl.h: New file.
1365 * include/pstl/pstl_config.h: New file.
1366 * include/pstl/unseq_backend_simd.h: New file.
1367 * include/pstl/utils.h: New file.
1368 * include/std/algorithm: Include parallel algorithm implementations.
1369 * include/std/execution: New file.
1370 * include/std/memory: Include parallel algorithm implementations.
1371 * include/std/numeric: Include parallel algorithm implementations.
1372 * include/std/version: Add parallel algorithms feature test macro.
1373 * testsuite/util/pstl/pstl_test_config.h: New file.
1374 * testsuite/util/pstl/test_utils.h: New file.
1375 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1376 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1377 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1378 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1379 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1380 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1381 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1382 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1383 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1384 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1385 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1386 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1387 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1388 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1389 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1390 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1391 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1392 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1393 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1394 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1395 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1396 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1397 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1398 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1399 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1400 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1401 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1402 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1403 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1404 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1405 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1406 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1407 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1408 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1409 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1410 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1411 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1412 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1413 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1414 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1415 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1416 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1417 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1418 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1419 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1420 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1421 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1422 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1423 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1424 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1425 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1426 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1427 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1428 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1429 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1430 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1431 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1432 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1433 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1434 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1435 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1436 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1437 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1438 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1439 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1440 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1441 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1442 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1443 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1444 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1445 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1446 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1447 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1448 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1449 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1450 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1451 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1452 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1453 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1454 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1455 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1456 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1457 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1458 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1459 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1460 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1461 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1462 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1463 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1464 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1465 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1466 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1467 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1468 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1469 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1470 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1471 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1472 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1473 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1474 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1475 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1476 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1477 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1478 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1479 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1480 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1482 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
1484 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
1485 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
1486 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
1487 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
1488 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
1489 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
1490 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
1491 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
1492 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
1493 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
1494 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
1495 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
1496 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
1497 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
1498 when the special functions IS is enabled, not for C++17.
1499 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
1501 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
1502 without checks for special functions in C++17.
1503 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
1507 * include/backward/hash_map: Use <> for includes not "".
1508 * include/backward/hash_set: Likewise.
1509 * include/backward/strstream: Likewise.
1510 * include/tr1/bessel_function.tcc: Likewise.
1511 * include/tr1/exp_integral.tcc: Likewise.
1512 * include/tr1/legendre_function.tcc: Likewise.
1513 * include/tr1/modified_bessel_func.tcc: Likewise.
1514 * include/tr1/riemann_zeta.tcc: Likewise.
1516 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
1518 * doc/xml/manual/allocator.xml: Link to table documenting evolution
1519 of extension allocators.
1520 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
1521 Document new headers in 7.2, 8.1 and 9.1 releases.
1522 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
1523 * doc/html/*: Regenerate.
1525 2019-03-12 John David Anglin <dave.anglin@bell.net>
1528 * testsuite/lib/libstdc++.exp: Locate libatomic.
1529 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
1530 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
1532 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1533 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
1534 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
1535 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
1537 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
1540 * configure.ac: Check for sockatmark.
1541 * crossconfig.m4: Check for sockatmark.
1542 * config.h.in: Regenerate.
1543 * configure: Regenerate.
1544 * include/experimental/internet (address_v4::_S_hton): Rename
1545 overloaded functions to _S_hton_16 and _S_ntoh_16.
1546 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
1547 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
1548 * include/experimental/socket (basic_socket::at_mark): Check
1549 _GLIBCXX_HAVE_SOCKATMARK.
1551 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
1552 const variables instead of macros.
1555 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
1556 Use correct type for len_aligned.
1557 * testsuite/20_util/hash/89629.cc: New test.
1559 2019-03-11 Jakub Jelinek <jakub@redhat.com>
1562 * include/std/atomic (atomic<T>::store, atomic<T>::load,
1563 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
1564 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
1565 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
1566 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
1567 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
1568 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
1569 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
1570 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
1571 memory_order_seq_cst to int.
1573 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
1575 * doc/xml/manual/using.xml: Use link element instead of xref.
1576 * doc/html/*: Regenerate.
1578 * include/bits/fs_path.h (path::format): Add fixed underlying type.
1580 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
1583 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
1584 parameters in deduction guides.
1585 * include/debug/multimap.h (multimap): Likewise.
1586 * include/debug/set.h (multimap): Likewise.
1587 * include/debug/multiset.h (multimap): Likewise.
1588 * include/debug/unordered_map (unordered_map): Likewise.
1589 (unordered_multimap): Likewise.
1590 * include/debug/unordered_set (unordered_set): Likewise.
1591 (unordered_multiset): Likewise.
1594 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
1595 Invalidate all iterators in case of rehash.
1596 (unordered_multimap<>::_M_check_rehashed): Likewise.
1597 * include/debug/unordered_set
1598 (unordered_set<>::_M_check_rehashed): Likewise.
1599 (unordered_multiset<>::_M_check_rehashed): Likewise.
1600 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
1602 2019-03-07 Andreas Schwab <schwab@suse.de>
1604 * config/abi/post/riscv64-linux-gnu: New directory.
1605 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
1607 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
1609 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
1610 compile test to run. Fix typo.
1612 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
1613 * doc/html/*: Regenerate.
1615 P0356R5 Simplified partial function application
1616 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
1617 helpers for bind_front.
1618 (bind_front, __cpp_lib_bind_front): Define.
1619 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
1621 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1623 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
1624 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
1625 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
1626 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1628 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
1630 PR libstdc++/86655 - std::assoc_legendre should not constrain
1631 the value of m (or x).
1632 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
1633 __sph_legendre): If degree > order Don't throw, return 0.
1634 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
1635 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
1636 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
1637 * testsuite/tr1/5_numerical_facilities/special_functions/
1638 02_assoc_legendre/pr86655.cc: New test.
1639 * testsuite/tr1/5_numerical_facilities/special_functions/
1640 22_sph_legendre/pr86655.cc: New test.
1642 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
1645 Also PR libstdc++/85517
1646 * include/std/variant (__do_visit): New.
1647 (__variant_cast): Likewise.
1648 (__variant_cookie): Likewise.
1649 (__erased_*): Remove.
1650 (_Variant_storage::_S_vtable): Likewise.
1651 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
1652 (_Variant_storage::__M_reset): Adjust.
1653 (__variant_construct): New.
1654 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
1655 __variant_construct.
1656 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
1657 (_Move_ctor_base::__M_destructive_copy): New.
1658 (_Move_ctor_base::__M_destructive_move): Adjust to use
1659 __variant_construct.
1660 (_Copy_assign_base::operator=): Adjust to use __do_visit.
1661 (_Copy_assign_alias): Adjust to check both copy assignment
1662 and copy construction for triviality.
1663 (_Move_assign_base::operator=): Adjust to use __do_visit.
1664 (_Multi_array): Add support for visitors that accept and return
1666 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
1667 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
1668 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
1669 a __variant_cookie temporary for a variant that is valueless and..
1670 (__gen_vtable_impl::__visit_invoke): ..adjust here.
1671 (__gen_vtable::_Array_type): Conditionally make space for
1672 the __variant_cookie visitor case.
1673 (__variant_construct_by_index): New.
1674 (get_if): Adjust to use std::addressof.
1675 (relops): Adjust to use __do_visit.
1676 (variant): Add __variant_cast and __variant_construct_by_index
1678 (variant::emplace): Use _M_reset() and __variant_construct_by_index
1679 instead of self-destruction.
1680 (variant::swap): Adjust to use __do_visit.
1681 (visit): Reimplement in terms of __do_visit.
1682 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
1683 * testsuite/20_util/variant/compile.cc: Adjust.
1684 * testsuite/20_util/variant/run.cc: Likewise.
1686 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1688 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
1690 * testsuite/experimental/feat-char8_t.cc: Likewise.
1692 * include/std/type_traits [C++20] (is_bounded_array)
1693 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
1695 * testsuite/20_util/is_bounded_array/requirements/
1696 explicit_instantiation.cc: New test.
1697 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
1699 * testsuite/20_util/is_bounded_array/value.cc: New test.
1700 * testsuite/20_util/is_unbounded_array/requirements/
1701 explicit_instantiation.cc: New test.
1702 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
1704 * testsuite/20_util/is_unbounded_array/value.cc: New test.
1706 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
1708 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
1710 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
1712 * include/c_compatibility/math.h [C++20] (lerp): Add using
1714 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
1715 (__lerp): Define function template to implement lerp.
1716 (lerp(float, float, float), lerp(double, double, double))
1717 (lerp(long double, long double, long double)): Define for C++20.
1718 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
1719 (midpoint(T, T), midpoint(T*, T*)): Define.
1720 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
1721 * testsuite/26_numerics/lerp.cc: New test.
1722 * testsuite/26_numerics/midpoint/floating.cc: New test.
1723 * testsuite/26_numerics/midpoint/integral.cc: New test.
1724 * testsuite/26_numerics/midpoint/pointer.cc: New test.
1726 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
1728 PR libstdc++/88996 Implement P0439R0
1729 Make std::memory_order a scoped enumeration.
1730 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
1731 add variables for the old enumerators. Adjust calls.
1732 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
1733 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
1735 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
1737 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
1740 * include/std/memory_resource (polymorphic_allocator): Add default
1741 template argument for C++20.
1742 (polymorphic_allocator::allocate_bytes)
1743 (polymorphic_allocator::deallocate_bytes)
1744 (polymorphic_allocator::allocate_object)
1745 (polymorphic_allocator::deallocate_object)
1746 (polymorphic_allocator::new_object)
1747 (polymorphic_allocator::delete_object): New member functions for
1749 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
1752 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
1755 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
1758 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
1760 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
1761 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
1763 * include/std/memory (uses_allocator_construction_args): New set of
1764 overloaded functions.
1765 (make_obj_using_allocator, uninitialized_construct_using_allocator):
1767 * include/std/memory_resource (polymorphic_allocator::construct)
1768 [__cplusplus > 201703l]: Replace all overloads with a single function
1769 using uses_allocator_construction_args.
1770 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
1772 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
1774 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
1777 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
1778 stylesheet directories before check for xsltproc. Try to use
1779 xmlcatalog to find local stylesheet directory before trying hardcoded
1780 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
1781 check to look for the same stylesheet as doc/Makefile.am uses. Don't
1782 use xsltproc if xmlcatalog fails to find a local stylesheet.
1783 * configure.ac: Check for xmlcatalog.
1784 * Makefile.in: Regenerate.
1785 * configure: Likewise.
1786 * doc/Makefile.in: Likewise.
1787 * include/Makefile.in: Likewise.
1788 * libsupc++/Makefile.in: Likewise.
1789 * po/Makefile.in: Likewise.
1790 * python/Makefile.in: Likewise.
1791 * src/Makefile.in: Likewise.
1792 * src/c++11/Makefile.in: Likewise.
1793 * src/c++17/Makefile.in: Likewise.
1794 * src/c++98/Makefile.in: Likewise.
1795 * src/filesystem/Makefile.in: Likewise.
1796 * testsuite/Makefile.in: Likewise.
1798 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
1801 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
1802 container deduction guides.
1803 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
1804 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
1805 parameters in deduction guides.
1806 * include/bits/stl_multimap.h (multimap): Likewise.
1807 * include/bits/stl_multiset.h (multiset): Likewise.
1808 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
1809 * include/bits/stl_set.h (set): Likewise.
1810 * include/bits/stl_stack.h (stack): Likewise.
1811 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
1812 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
1813 constrain parameters in deduction guides.
1814 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
1816 * testsuite/23_containers/map/cons/deduction.cc: Test additional
1818 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
1819 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
1820 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
1821 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
1823 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
1825 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
1828 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
1829 to class template and partial specialization using void_t.
1830 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1832 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
1835 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
1836 copy and move members public.
1838 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
1840 * include/std/type_traits (__underlying_type_impl): New helper to
1841 make underlying_type SFINAE-friendly.
1842 (underlying_type): Derive from __underlying_type_impl.
1843 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
1847 * include/bits/char_traits.h (__constant_char_array): Check index is
1848 in range before dereferencing.
1849 (char_traits<char>::compare, char_traits<char>::find)
1850 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
1851 immediately if n is zero.
1852 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
1853 Remove workarounds for PR 67026.
1854 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
1856 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
1859 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1861 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
1862 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
1864 2019-02-22 Jakub Jelinek <jakub@redhat.com>
1867 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
1868 type to std::size_t and argument to type to long double.
1870 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1872 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
1873 * config/abi/post/sparc64-linux-gnu: New directory.
1874 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
1875 * config/abi/post/sparc64-linux-gnu/32: New directory.
1876 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
1878 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1880 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
1881 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
1884 2019-02-22 Tom Honermann <tom@honermann.net>
1886 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
1887 printers for u8string and u8string_view.
1889 2019-02-22 Tom Honermann <tom@honermann.net>
1891 * testsuite/18_support/byte/ops.cc: Validate
1892 std::to_integer<char8_t>, std::to_integer<char16_t>, and
1893 std::to_integer<char32_t>.
1894 * testsuite/18_support/numeric_limits/dr559.cc: Validate
1895 std::numeric_limits<char8_t>.
1896 * testsuite/18_support/numeric_limits/lowest.cc: Validate
1897 std::numeric_limits<char8_t>::lowest().
1898 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
1899 std::numeric_limits<char8_t>::max_digits10.
1900 * testsuite/18_support/type_info/fundamental.cc: Validate
1901 typeinfo for char8_t.
1902 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
1903 std::from_chars with char8_t.
1904 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
1905 Validate explicit instantiation of std::hash<char8_t>.
1906 * testsuite/20_util/is_integral/value.cc: Validate
1907 std::is_integral<char8_t>.
1908 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
1909 Validate std::make_signed<char8_t>.
1910 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
1911 Validate u8string construction from char8_t sources.
1912 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
1914 * testsuite/21_strings/basic_string_view/operations/compare/
1915 char/70483.cc: Validate substr operations on u8string_view.
1916 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
1917 the u8string_view typedef is defined.
1918 * testsuite/21_strings/char_traits/requirements/
1919 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
1921 * testsuite/21_strings/char_traits/requirements/
1922 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
1923 constexpr member functions.
1924 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
1925 that the u8string typedef is defined.
1926 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
1927 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
1928 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
1929 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
1931 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
1932 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
1934 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
1935 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
1936 Validate std::atomic<char8_t>::is_always_lock_free
1937 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
1938 Update line numbers.
1939 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
1941 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
1943 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1944 Validate std::experimental::pmr::u8string.
1945 * testsuite/experimental/string_view/typedefs.cc: Validate that the
1946 u8string_view typedef is defined.
1947 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
1948 char32_t to the typelists.
1950 2019-02-22 Tom Honermann <tom@honermann.net>
1952 * include/ext/typelist.h: Constrain a partial specialization of
1953 typelist::detail::append_ to only match chain<T1,T2>.
1955 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1958 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
1959 class template with class. Replace move and copy member types with
1960 member alias templates, so they are only instantiated when needed.
1961 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1962 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
1963 test for C++11/14/17 as well.
1964 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
1967 2019-02-20 Jakub Jelinek <jakub@redhat.com>
1970 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
1971 _GLIBCXX_PURE to the alias declaration.
1973 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
1975 * testsuite/21_strings/basic_string/literals/types.cc
1976 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
1977 * testsuite/21_strings/basic_string/literals/values.cc
1978 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1979 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
1980 potentially having different type.
1981 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1982 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
1984 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
1985 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1986 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
1987 string literals only using basic character set.
1988 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
1989 u8 literals to char.
1990 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
1991 Test ATOMIC_CHAR8_T_LOCK_FREE.
1992 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
1993 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
1994 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
1995 * testsuite/experimental/string_view/literals/types.cc
1996 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
1998 * testsuite/experimental/string_view/literals/values.cc
1999 [_GLIBCXX_USE_CHAR8_T]: Likewise.
2001 2019-02-19 Tom Honermann <tom@honermann.net>
2003 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
2004 from char16_32_t.cc; validates numeric_limits<char8_t>.
2005 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
2006 test cloned from types.cc; validates operator""s for char8_t
2008 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
2009 test cloned from values.cc; validates construction and comparison
2011 * testsuite/21_strings/basic_string/requirements/
2012 /explicit_instantiation/char8_t/1.cc: New test cloned from
2013 char16_t/1.cc; validates explicit instantiation of
2014 basic_string<char8_t>.
2015 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
2016 New test cloned from types.cc; validates operator""sv for char8_t
2017 returns u8string_view.
2018 * testsuite/21_strings/basic_string_view/literals/
2019 values-char8_t.cc: New test cloned from values.cc; validates
2020 construction and comparison of u8string_view values.
2021 * testsuite/21_strings/basic_string_view/requirements/
2022 explicit_instantiation/char8_t/1.cc: New test cloned from
2023 char16_t/1.cc; validates explicit instantiation of
2024 basic_string_view<char8_t>.
2025 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
2026 New test cloned from char16_t/65049.cc; validates that
2027 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
2028 * testsuite/21_strings/char_traits/requirements/char8_t/
2029 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
2030 that char_traits<char8_t> member typedefs are present and correct.
2031 * testsuite/21_strings/char_traits/requirements/
2032 explicit_instantiation/char8_t/1.cc: New test cloned from
2033 char16_t/1.cc; validates explicit instantiation of
2034 char_traits<char8_t>.
2035 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
2036 from char16_t.cc: validates
2037 codecvt<char16_t, char8_t, mbstate_t>.
2038 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
2039 from char32_t.cc: validates
2040 codecvt<char32_t, char8_t, mbstate_t>.
2041 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
2042 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
2043 codecvt<char32_t, char8_t, std::mbstate_t>.
2044 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
2045 test cloned from string.cc; validates filesystem::path construction
2047 * testsuite/experimental/feat-char8_t.cc: New test; validates that
2048 the __cpp_lib_char8_t feature test macro is defined with the
2050 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
2051 New test cloned from string.cc; validates filesystem::path
2052 construction from char8_t input.
2053 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
2054 test cloned from types.cc; validates operator""sv for char8_t
2055 returns u8string_view.
2056 * testsuite/experimental/string_view/literals/values-char8_t.cc:
2057 New test cloned from values.cc; validates construction and
2058 comparison of u8string_view values.
2059 * testsuite/experimental/string_view/requirements/
2060 explicit_instantiation/char8_t/1.cc: New test cloned from
2061 char16_t/1.cc; validates explicit instantiation of
2062 basic_string_view<char8_t>.
2063 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
2064 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
2067 2019-02-19 Tom Honermann <tom@honermann.net>
2069 P0482R5 char8_t: Standard library support
2070 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
2071 typeinfo symbols for char8_t.
2072 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
2073 (GLIBCXX_3.4.26): Add symbols for specializations of
2074 numeric_limits and codecvt that involve char8_t.
2075 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
2076 * include/bits/atomic_base.h: Add atomic_char8_t.
2077 * include/bits/basic_string.h: Add std::hash<u8string> and
2078 operator""s(const char8_t*, size_t).
2079 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
2081 * include/bits/char_traits.h: Add char_traits<char8_t>.
2082 * include/bits/codecvt.h: Add
2083 codecvt<char16_t, char8_t, mbstate_t>,
2084 codecvt<char32_t, char8_t, mbstate_t>,
2085 codecvt_byname<char16_t, char8_t, mbstate_t>, and
2086 codecvt_byname<char32_t, char8_t, mbstate_t>.
2087 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
2088 recognize char8_t as an integral type.
2089 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
2091 (path::u8string): Return std::u8string when char8_t support is
2093 (path::generic_u8string): Likewise.
2094 (path::_S_convert): Handle conversion from char8_t input.
2095 (path::_S_str_convert): Likewise.
2096 * include/bits/functional_hash.h: Add hash<char8_t>.
2097 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
2099 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
2100 for new char8_t specializations.
2101 * include/bits/localefwd.h: Add missing declarations of
2102 codecvt<char16_t, char, mbstate_t> and
2103 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
2104 codecvt<char16_t, char8_t, mbstate_t> and
2105 codecvt<char32_t, char8_t, mbstate_t>.
2106 * include/bits/postypes.h: Add u8streampos
2107 * include/bits/stringfwd.h: Add declarations of
2108 char_traits<char8_t> and u8string.
2109 * include/c_global/cstddef: Add __byte_operand<char8_t>.
2110 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
2112 (path::u8string): Return std::u8string when char8_t support is
2114 (path::generic_u8string): Likewise.
2115 (path::_S_convert): Handle conversion from char8_t input.
2116 (path::_S_str_convert): Likewise.
2117 * include/experimental/string: Add u8string.
2118 * include/experimental/string_view: Add u8string_view,
2119 hash<experimental::u8string_view>, and
2120 operator""sv(const char8_t*, size_t).
2121 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
2122 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
2123 as a character type.
2124 * include/std/limits: Add numeric_limits<char8_t>.
2125 * include/std/string_view: Add u8string_view,
2126 hash<experimental::u8string_view>, and
2127 operator""sv(const char8_t*, size_t).
2128 * include/std/type_traits: Add __is_integral_helper<char8_t>,
2129 __make_unsigned<char8_t>, and __make_signed<char8_t>.
2130 * libsupc++/atomic_lockfree_defines.h: Define
2131 ATOMIC_CHAR8_T_LOCK_FREE.
2132 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
2133 codecvt.cc and limits.cc so that char8_t specializations of
2134 numeric_limits and codecvt and emitted.
2135 * src/c++11/Makefile.in: Likewise.
2136 * src/c++11/codecvt.cc: Define members of
2137 codecvt<char16_t, char8_t, mbstate_t>,
2138 codecvt<char32_t, char8_t, mbstate_t>,
2139 codecvt_byname<char16_t, char8_t, mbstate_t>, and
2140 codecvt_byname<char32_t, char8_t, mbstate_t>.
2141 * src/c++11/limits.cc: Define members of
2142 numeric_limits<char8_t>.
2143 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
2144 locale_init.cc and localename.cc.
2145 * src/c++98/Makefile.in: Likewise.
2146 * src/c++98/locale_init.cc: Add initialization for the
2147 codecvt<char16_t, char8_t, mbstate_t> and
2148 codecvt<char32_t, char8_t, mbstate_t> facets.
2149 * src/c++98/localename.cc: Likewise.
2150 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
2152 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
2154 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
2155 * 27_io/filesystem/operations/resize_file.cc: Likewise.
2156 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
2158 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
2160 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
2161 * doc/html/*: Regenerate.
2163 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
2164 * doc/html/*: Regenerate.
2166 * doc/xml/manual/intro.xml: Document LWG 2586 status.
2167 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
2168 allocator type in is_constructible checks.
2169 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
2170 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
2171 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
2172 problematic type from LWG 2586 discussion.
2173 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
2174 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
2176 * configure.ac: Check for C11 timespec_get function.
2177 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
2179 * config.h.in: Regenerate.
2180 * configure: Regenerate.
2181 * include/c_global/ctime (timespec, timespec_get): Add to namespace
2182 std for C++17 and up.
2184 * doc/xml/manual/intro.xml: Document LWG 2537 status.
2185 * include/bits/stl_queue.h
2186 (priority_queue(const Compare&, const Container&, const Alloc&))
2187 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
2189 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
2191 * doc/xml/manual/intro.xml: Document LWG 2566 status.
2192 * include/bits/stl_queue.h (queue, priority_queue): Add static
2193 assertions to enforce LWG 2566 requirement on value_type.
2194 * include/bits/stl_stack.h (stack): Likewise.
2197 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
2199 * doc/xml/manual/intro.xml: Document LWG 2735 status.
2200 * include/bits/std_abs.h: Add comment about LWG 2735.
2201 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
2203 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
2206 * include/std/version [__cpp_impl_destroying_delete]
2207 (__cpp_lib_destroying_delete): Only define for C++2a and later.
2208 * libsupc++/new [__cpp_impl_destroying_delete]
2209 (__cpp_lib_destroying_delete): Likewise.
2210 (destroying_delete_t, destroying_delete): Likewise, but define even
2211 when __cpp_impl_destroying_delete is not defined.
2212 * testsuite/18_support/destroying_delete.cc: New test.
2214 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
2217 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
2218 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
2219 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
2220 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
2222 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
2225 * include/bits/fs_path.h (path::has_root_name)
2226 (path::has_root_directory, path::has_root_path)
2227 (path::has_relative_path, path::has_parent_path)
2228 (path::has_filename, path::has_stem, path::has_extension)
2229 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
2231 * src/c++17/fs_path.cc (path::has_root_name)
2232 (path::has_root_directory, path::has_root_path)
2233 (path::has_relative_path, path::has_parent_path)
2234 (path::has_filename, path::_M_find_extension): Add noexcept.
2236 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
2238 PR libstdc++/89102 (partial)
2239 * include/std/type_traits (common_type<>): Define.
2240 (common_type<T>): Derive from common_type<T, T>.
2241 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
2242 Test zero-length template argument list.
2243 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
2244 Test additional single argument cases.
2245 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
2246 Adjust expected error.
2248 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
2251 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
2253 * include/bits/stl_stack.h (stack): Likewise.
2254 * testsuite/23_containers/priority_queue/deduction.cc: New test.
2255 * testsuite/23_containers/queue/deduction.cc: New test.
2256 * testsuite/23_containers/stack/deduction.cc: New test.
2259 * include/std/type_traits (__is_convertible_helper)
2260 (__is_convertible_helper<_From, _To, false>): Revert changes to
2261 support is_nothrow_convertible.
2262 (__is_nt_convertible_helper): New helper.
2263 (is_nothrow_convertible): Use __is_nt_convertible_helper.
2265 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
2266 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
2269 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
2270 __is_alloc_insertable_impl. Replace single type member with two
2271 members, one for each of copy and move insertable.
2272 (__is_move_insertable): New trait for internal use.
2273 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
2274 (vector::_S_nothrow_relocate(true_type)): New functions to
2275 conditionally check if __relocate_a can throw.
2276 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
2277 on __is_move_insertable.
2278 (vector::_S_do_relocate): New overloaded functions to conditionally
2280 (vector::_S_relocate): New function that dispatches to _S_do_relocate
2281 based on _S_use_relocate.
2282 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2283 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
2284 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
2287 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
2288 parameter unnamed. Add message to static assertion.
2289 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2290 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
2293 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
2296 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
2298 (__is_bitwise_relocatable): ... to this.
2299 (__relocate_a_1): Adapt.
2300 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
2301 (__is_bitwise_relocatable): ... to this.
2303 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
2306 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
2307 final component as well as from _M_pathname. Append the dot using
2308 operator+= instead of only to _M_pathname.
2309 (path::_M_find_extension): Reformat slightly.
2310 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
2311 Add more test cases.
2313 2019-01-30 Ulrich Drepper <drepper@redhat.com>
2315 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
2317 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
2319 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
2320 constexpr specifiers from arg and proj.
2322 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
2323 __shared_ptr instantiations used by gcc4-compatible ABI.
2325 * include/experimental/forward_list (experimental::erase): Qualify
2327 * include/experimental/list (experimental::erase): Likewise.
2328 * include/std/forward_list (std::erase): Likewise.
2329 * include/std/list (std::erase): Likewise.
2331 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
2333 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
2334 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
2335 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
2336 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
2337 * testsuite/ext/array_allocator/26875.cc: Likewise.
2338 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
2339 * testsuite/util/replacement_memory_operators.h: Likewise.
2340 * testsuite/util/testsuite_allocator.h: Likewise.
2342 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
2343 normal mode vector, even for debug mode.
2344 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
2345 Define alias template for normal mode vector.
2347 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
2350 * config/locale/generic/c_locale.h (__convert_from_v)
2351 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2352 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2353 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
2354 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2356 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
2359 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
2360 data member with static member function _S_use_relocate().
2361 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2362 (vector::_M_default_append): Use _S_use_relocate() instead of
2365 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
2368 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
2371 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
2372 write to stderr instead of using printf.
2374 2019-01-21 Jakub Jelinek <jakub@redhat.com>
2377 * include/bits/char_traits.h (__constant_string_p,
2378 __constant_char_array_p): Use __builtin_is_constant_evaluated if
2381 2019-01-20 Ulrich Drepper <drepper@redhat.com>
2383 Implement C++20 P0600r1.
2384 * include/backward/hash_map: Add nodiscard attribute to empty.
2385 * include/backward/hash_set: Likewise.
2386 * backward/hashtable.h: Likewise.
2387 * include/bits/basic_string.h: Likewise.
2388 * include/bits/forward_list.h: Likewise.
2389 * include/bits/hashtable.h: Likewise.
2390 * include/bits/regex.h: Likewise.
2391 * include/bits/stl_deque.h: Likewise.
2392 * include/bits/stl_list.h: Likewise.
2393 * include/bits/stl_map.h: Likewise.
2394 * include/bits/stl_multimap.h: Likewise.
2395 * include/bits/stl_multiset.h: Likewise.
2396 * include/bits/stl_queue.h: Likewise.
2397 * include/bits/stl_set.h: Likewise.
2398 * include/bits/stl_stack.h: Likewise.
2399 * include/bits/stl_tree.h: Likewise.
2400 * include/bits/stl_vector.h: Likewise.
2401 * include/bits/unordered_map.h: Likewise.
2402 * include/bits/unordered_set.h: Likewise.
2403 * include/debug/array: Likewise.
2404 * include/experimental/any: Likewise.
2405 * include/experimental/bits/fs_path.h: Likewise.
2406 * include/experimental/internet: Likewise.
2407 * include/experimental/string_view: Likewise.
2408 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
2410 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
2412 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
2414 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
2416 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
2418 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
2420 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
2422 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
2424 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2425 info_fn_imps.hpp: Likewise.
2426 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2427 left_child_next_sibling_heap_.hpp: Likewise.
2428 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
2430 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
2432 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
2434 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
2436 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
2438 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
2440 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
2442 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
2443 * include/ext/pb_ds/trie_policy.hpp: Likewise.
2444 * include/ext/rope: Likewise.
2445 * include/ext/slist: Likewise.
2446 * include/ext/vstring.h: Likewise.
2447 * include/profile/array: Likewise.
2448 * include/std/array: Likewise.
2449 * include/tr1/array: Likewise.
2450 * include/tr1/hashtable.h: Likewise.
2451 * include/tr1/regex: Likewise.
2452 * include/tr2/dynamic_bitset: Likewise.
2453 * include/bits/alloc_traits.h: Add nodiscard attribute to
2455 * include/experimental/memory_resource: Likewise.
2456 * include/ext/alloc_traits.h: Likewise.
2457 * include/ext/array_allocator.h: Likewise.
2458 * include/ext/bitmap_allocator.h: Likewise.
2459 * include/ext/debug_allocator.h: Likewise.
2460 * include/ext/extptr_allocator.h: Likewise.
2461 * include/ext/mt_allocator.h: Likewise.
2462 * include/ext/new_allocator.h: Likewise.
2463 * include/ext/pool_allocator.h: Likewise.
2464 * include/ext/throw_allocator.h: Likewise.
2465 * include/std/scoped_allocator: Likewise.
2466 * libsupc++/eh_alloc.cc: Likewise.
2467 * include/std/future: Add nodiscard attribute to async.
2468 * libsupc++/new: Add nodiscard attribute to new.
2470 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
2475 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
2476 * include/bits/shared_ptr.h
2477 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
2478 (allocate_shared): Change to use new tag type.
2479 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
2480 Declare new member function.
2481 (_Sp_alloc_shared_tag): Define new type.
2482 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
2483 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
2484 _Sp_make_shared_tag::_S_eq to check type_info.
2485 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
2486 Constrain to prevent being called with _Sp_alloc_shared_tag.
2487 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
2488 Replace constructor with ...
2489 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
2490 reference parameter so address of the new object can be returned to
2491 the caller. Obtain the allocator from the tag type.
2492 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
2493 constructor with ...
2494 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
2495 to the __shared_count constructor.
2496 (__allocate_shared): Change to use new tag type.
2497 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
2499 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
2501 * src/c++17/fs_ops.cc
2502 (equivalent(const path&, const path&, error_code&))
2503 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
2504 compare files instead of relying on incomplete info returned by stat.
2507 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
2508 if the path is already absolute.
2509 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
2510 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
2513 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
2514 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
2515 of filesystem::exists.
2516 (create_directories(const path&, error_code&)): Add assertions.
2517 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
2518 Add workaround for bug in _wstat for paths with trailing slash.
2519 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
2520 for expected behaviour on mingw.
2521 * testsuite/experimental/filesystem/operations/create_directories.cc:
2523 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
2524 "TMP" instead of "TMPDIR" and clean environment before each test. Do
2525 not test permissions on mingw targets.
2527 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
2529 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
2530 constructors and open members taking wide strings. Fix patterns for
2531 filesystem::path members to match wstring_view parameters. Add
2532 exports for shared_ptr members used by directory iterators.
2533 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
2534 error code parameter if the file doesn't exist.
2535 * src/filesystem/ops.cc (remove(const path&, error_code&)):
2537 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
2538 values for mingw targets, where "/" is not an absolute path. Do not
2539 test symlinks on mingw targets.
2540 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
2541 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
2543 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
2544 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
2545 that each component of the path is created.
2546 * testsuite/experimental/filesystem/operations/create_directories.cc:
2548 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
2549 permissions on mingw targets.
2550 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
2551 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2552 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
2553 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
2555 * testsuite/experimental/filesystem/operations/permissions.cc:
2557 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
2558 symlinks or permissions on mingw targets.
2559 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
2560 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
2561 symlinks on mingw targets.
2562 * testsuite/experimental/filesystem/operations/remove_all.cc:
2564 * testsuite/27_io/filesystem/operations/status.cc: Do not test
2565 permissions on mingw targets.
2566 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
2567 test symlinks on mingw targets.
2568 * testsuite/experimental/filesystem/operations/space.cc: Fix test
2571 2019-02-14 Ulrich Drepper <drepper@redhat.com>
2574 Warn about unused comparisons of shared_ptr/unique_ptr
2575 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
2576 * include/bits/shared_ptr.h: Use it for operator ==, !=,
2577 <, <=, >, >= for shared_ptr.
2578 * include/bits/unique_ptr.h: Likewise for unique_ptr.
2580 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
2582 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
2583 as 201611L, because P0497R0 changes are supported.
2584 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
2586 * include/bits/erase_if.h [__cplusplus > 201703L]
2587 (__cpp_lib_erase_if): Only define for C++2a.
2588 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2589 (__cpp_lib_null_iterators): Define.
2590 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2591 (__cpp_lib_null_iterators): Define.
2592 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
2594 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
2596 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
2598 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
2599 changes are supported.
2600 * include/std/optional (__cpp_lib_optional): Likewise.
2601 * include/std/variant (__cpp_lib_variant): Likewise.
2602 * include/std/version [!__STRICT_ANSI__]
2603 (__cpp_lib_uncaught_exceptions): Define as long integer.
2604 [__cplusplus >= 201703L] (__cpp_lib_any)
2605 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
2606 (__cpp_lib_variant): Define for C++17.
2607 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
2609 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
2612 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
2614 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
2618 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
2620 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
2623 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2625 * doc/xml/manual/intro.xml: Include new section.
2626 * doc/xml/manual/status_cxx2017.xml: Document more
2627 implementation-defined properties of the library.
2628 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
2629 * doc/html/*: Regenerate.
2631 * include/bits/refwrap.h [__cplusplus > 201703L]
2632 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
2633 (_Reference_wrapper_base_memfun): Do not define for C++2a.
2634 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
2636 (reference_wrapper::operator()): Add static assertion.
2637 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
2639 * include/std/chrono (duration_values::zero(), duration_values::min())
2640 (duration_values::max()): Add noexcept.
2641 (duration::zero(), duration::min(), duration::max()): Likewise.
2642 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
2643 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
2644 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
2646 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
2648 2019-01-11 Jakub Jelinek <jakub@redhat.com>
2650 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
2651 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
2653 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2656 * include/bits/functional_hash.h (hash<nullptr_t>): Define
2657 specialization for C++17 (P0513R0, LWG 2817).
2658 * testsuite/20_util/hash/nullptr.cc: New test.
2661 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
2662 pattern for std::basic_stringbuf::str().
2664 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
2665 basic_ostream::operator<< patterns.
2667 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2669 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
2670 test failures on targets with 32-bit time_t.
2672 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
2673 * include/std/deque: Likewise.
2674 * include/std/forward_list: Likewise.
2675 * include/std/list: Likewise.
2676 * include/std/string: Likewise.
2677 * include/std/vector: Likewise.
2678 * include/std/version: Likewise.
2679 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
2680 * testsuite/23_containers/deque/erasure.cc: Likewise.
2681 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
2682 * testsuite/23_containers/list/erasure.cc: Likewise.
2683 * testsuite/23_containers/map/erasure.cc: Likewise.
2684 * testsuite/23_containers/set/erasure.cc: Likewise.
2685 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2686 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
2687 * testsuite/23_containers/vector/erasure.cc: Likewise.
2689 * include/experimental/internet [AI_NUMERICSERV]
2690 (resolver_base::numeric_service): Define conditionally.
2691 * testsuite/experimental/net/internet/resolver/base.cc: Test it
2693 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
2696 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
2697 Jonathan Wakely <jwakely@redhat.com>
2700 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
2701 (GLIBCXX_3.4.26): Add new exports.
2702 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
2703 correct list of sources.
2704 * include/Makefile.in: Regenerate.
2705 * include/std/ostream (operator<<(nullptr_t)): New member function.
2706 * src/c++17/ostream-inst.cc: New file.
2707 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
2710 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2712 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
2713 of the source file containing the caller.
2714 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
2715 directories created by test.
2716 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2718 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
2720 * testsuite/experimental/filesystem/iterators/
2721 recursive_directory_iterator.cc: Likewise.
2723 2019-01-10 Jakub Jelinek <jakub@redhat.com>
2725 PR tree-optimization/88775
2726 * include/bits/stl_function.h (greater<_Tp*>::operator(),
2727 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
2728 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
2729 instead of __builtin_constant_p if available. Don't bother with
2730 the pointer comparison in C++11 and earlier.
2732 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
2736 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
2739 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
2741 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
2742 for filesystem::path. Give variables more distinctive names.
2744 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
2745 member function to perform non-trivial assignment.
2746 (_Optional_payload_base::_M_move_assign): Likewise.
2747 (_Optional_payload<T, true, false, true>::operator=)
2748 (_Optional_payload<T, true, true, false>::operator=)
2749 (_Optional_payload<T, true, false, false>::operator=): Call
2750 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
2753 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
2754 test std::complex<long double> if long double format is IBM128.
2755 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
2758 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2760 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
2761 for old std::unique_ptr layout.
2762 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
2763 to become valueless. Add filesystem::path tests.
2766 * include/std/optional (_Optional_payload_base): New class template
2767 for common code hoisted from _Optional_payload specializations. Use
2768 a template for the union, to allow a partial specialization for
2769 types with non-trivial destructors. Add constructors for in-place
2770 initialization to the union.
2771 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
2772 to perform non-trivial copy construction, instead of relying on
2773 non-standard copy elision in a delegating constructor.
2774 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
2775 non-trivial move construction.
2776 (_Optional_payload): Derive from _Optional_payload_base and use it
2777 for everything except the non-trivial assignment operators, which are
2779 (_Optional_payload<false, C, M>): Derive from the specialization
2780 _Optional_payload<true, false, false> and add a destructor.
2781 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
2782 Forward to corresponding members of _Optional_payload.
2783 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
2784 Hoist common members from _Optional_base.
2785 (_Optional_base): Make all members and base class public.
2786 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
2787 _Optional_base_impl.
2788 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
2789 support for new std::optional layout.
2790 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
2793 * include/bits/locale_conv.h: Use <> for includes not "".
2794 * include/ext/random: Likewise.
2795 * include/ext/vstring.h: Likewise.
2797 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2799 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
2800 (GLIBCXX_3.4.21): Likewise.
2802 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2805 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
2806 to match the one that controls whether utimbuf and utime are declared.
2808 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
2811 * include/bits/char_traits.h (char_traits::move): Do not pass null
2812 pointers to memmove.
2813 * include/bits/locale_facets.h
2814 (ctype<char>::widen(const char*, const char*, char*)): Do not
2815 pass null pointers to memcpy.
2816 (ctype<char>::narrow(const char*, const char*, char, char*)):
2818 (ctype<char>::do_widen(const char*, const char*, char*)):
2820 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
2823 * doc/xml/manual/spine.xml: Update copyright years.
2824 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
2825 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
2826 for C++17 filesystem library.
2827 * doc/html/*: Regenerate.
2829 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
2830 * config.h.in: Regenerate.
2831 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
2832 alphabetically and add missing entries for copy_symlink,
2833 hard_link_count, rename, and resize_file.
2834 * configure: Regenerate.
2835 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
2836 used unconditionally.
2837 * src/filesystem/ops-common.h (__gnu_posix::truncate)
2838 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
2839 supports truncating to zero length.
2840 * testsuite/27_io/filesystem/operations/all.cc: New test.
2841 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
2843 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
2846 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
2847 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
2848 * config.h.in: Regenerate.
2849 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
2850 remaining std::filesystem types and functions.
2851 * configure: Regenerate.
2852 * src/c++17/Makefile.am: Add C++17 filesystem sources.
2853 * src/c++17/Makefile.in: Regenerate.
2854 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
2855 here, and change name of included file.
2856 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
2857 here, and change name of included file.
2858 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
2859 path to dir-common.h.
2860 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
2861 path to ops-common.h. Disable -Wunused-parameter warnings.
2862 (internal_file_clock): Define unconditionally.
2863 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
2865 (do_copy_file, do_space): Move definitions to ops.common.h.
2866 (copy, file_size, hard_link_count, last_write_time, space): Only
2867 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
2869 (last_write_time, read_symlink): Remove unused attributes from
2871 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
2872 * src/filesystem/Makefile.in: Regenerate.
2873 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
2874 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
2875 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
2876 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
2877 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
2878 dummy types and functions instead of using #error.
2879 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
2880 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
2882 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
2883 (do_copy_file, do_space): Move definitions here from std-ops.cc.
2884 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
2885 to account for new namespace.
2886 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
2887 -lstdc++fs from dg-options.
2888 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
2889 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
2890 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
2891 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
2892 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
2894 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
2895 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2897 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
2898 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
2899 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
2900 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
2901 * testsuite/27_io/filesystem/operations/create_directories.cc:
2903 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
2904 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
2905 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
2906 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
2907 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
2908 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
2909 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2910 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
2911 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
2912 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
2913 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
2914 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
2915 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
2916 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
2917 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
2918 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2919 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2920 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
2922 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
2926 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
2927 typeinfo and vtables less greedy.
2928 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
2929 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
2930 * src/c++17/Makefile.in: Regenerate.
2931 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
2932 here, and change name of included file.
2933 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
2934 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
2936 * src/filesystem/Makefile.in: Regenerate.
2937 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
2938 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
2939 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
2940 from dg-options and remove dg-require-filesystem-ts.
2941 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
2942 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
2943 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
2944 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
2945 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
2946 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
2947 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
2948 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
2949 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
2950 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
2951 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
2952 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
2953 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
2954 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
2955 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
2956 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
2957 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
2958 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
2959 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
2960 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
2961 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
2963 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
2964 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
2965 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
2966 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
2967 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
2968 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
2969 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
2970 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
2971 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
2972 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
2973 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
2974 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
2976 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
2978 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
2980 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
2982 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
2983 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
2984 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
2985 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
2986 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
2987 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
2988 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
2989 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
2990 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
2991 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
2993 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
2994 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
2995 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
2996 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
2997 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3000 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
3001 Check is_trivially_copyable instead of is_scalar.
3002 (variant::emplace<N, Args>(Args&&...)): If construction of the new
3003 contained value can throw and its type is trivially copyable then
3004 construct into a temporary variant and move from it, to provide the
3005 strong exception safety guarantee.
3006 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
3008 * testsuite/20_util/variant/87431.cc: New test.
3009 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
3010 conversion causes valueless state.
3013 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
3014 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
3015 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
3016 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
3017 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
3019 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
3021 * include/bits/fs_fwd.h (__file_clock): Define new clock.
3022 (file_time_type): Redefine in terms of __file_clock.
3023 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
3025 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
3027 (internal_file_lock): New helper type for accessing __file_clock.
3028 (do_copy_file): Use internal_file_lock to convert system time to
3030 (last_write_time(const path&, error_code&)): Likewise.
3031 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
3033 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
3035 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
3036 for const member functions of std::basic_string.
3037 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
3039 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
3040 Make non-standard constructor private.
3041 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
3043 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
3044 explicit instantiations for C++17 as well as earlier dialects.
3045 * src/c++17/Makefile.am: Add new source files.
3046 * src/c++17/Makefile.in: Regenerate.
3047 * src/c++17/cow-string-inst.cc: New file defining explicit
3048 instantiations for basic_string member functions added in C++17.
3049 * src/c++17/string-inst.cc: Likewise.
3051 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
3052 copy/move constructors for old std::basic_string.
3053 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3054 (basic_string::reference, basic_string::const_reference): Define
3055 as plain references for C++11 and later.
3056 (basic_string::basic_string()): Put constructor body outside
3057 preprocessor conditional groups.
3058 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
3059 instead of copying it.
3060 (basic_string::basic_string(const basic_string&, const _Alloc&)):
3062 (basic_string::basic_string(basic_string&&, const _Alloc&)):
3064 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
3065 cases for old basic_string.
3066 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
3067 allocator-extended constructors unconditionally. Add extra members to
3068 allocator type when using old string ABI.
3069 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
3071 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
3073 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
3074 -fno-inline added to test flags.
3076 * testsuite/21_strings/basic_string/requirements/
3077 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
3079 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
3080 assertion failures with old std::string ABI.
3082 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
3084 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
3085 functions that will only erase elements at the end.
3086 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
3087 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
3088 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
3090 (path::_List::pop_back()): Define.
3091 (path::_List::_M_erase_from(const_iterator)): Define.
3092 (path::operator/=(const path&)): Use pop_back to remove last component
3093 and _M_erase_from to remove multiple components.
3094 (path::_M_append(basic_string_view<value_type>)): Likewise.
3095 (path::operator+=(const path&)): Likewise.
3096 (path::_M_concat(basic_string_view<value_type>)): Likewise.
3097 (path::remove_filename()): Likewise.
3098 (path::lexically_normal()): Use _List::_Impl iterators instead of
3099 path::iterator. Use pop_back to remove components from the end. Clear
3100 trailing filename, instead of using erase(const_iterator) to remove
3101 a non-final component.
3102 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
3104 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
3106 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
3107 incorrect treatment of empty filename after trailing slash.
3108 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
3110 * testsuite/21_strings/basic_string/modifiers/assign/char/
3111 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
3113 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
3114 move_assign_optim.cc: Likewise.
3116 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
3117 Jakub Jelinek <jakub@redhat.com>
3120 * include/experimental/memory: Replace UTF-8 quote characters.
3121 * include/std/future: Replace UTF-8 "em dash" characters.
3123 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
3126 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
3127 * include/debug/forward_list: Likewise.
3128 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
3130 * include/experimental/chrono: Likewise.
3131 * include/experimental/functional: Likewise.
3132 * include/experimental/ratio: Likewise.
3133 * include/experimental/system_error: Likewise.
3134 * include/experimental/tuple: Likewise.
3135 * include/experimental/type_traits: Likewise.
3136 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
3137 * include/parallel/multiseq_selection.h: Likewise.
3140 * config/abi/pre/gnu.ver: Add missing exports.
3141 * testsuite/22_locale/collate_byname/88681.cc: New test.
3142 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
3143 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
3145 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
3147 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
3148 initializer_list<value_type> and from input iterator ranges.
3149 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
3151 * testsuite/experimental/string_view/element_access/char/empty.cc:
3152 Fix year range in copyright header.
3154 2019-01-02 Joel Brobecker <brobecker@adacore.com>
3156 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
3157 Fix year range in copyright header.
3159 2019-01-01 Jakub Jelinek <jakub@redhat.com>
3161 Update copyright years.
3163 Copyright (C) 2019 Free Software Foundation, Inc.
3165 Copying and distribution of this file, with or without modification,
3166 are permitted in any medium without royalty provided the copyright
3167 notice and this notice are preserved.