1 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
3 * include/std/iterator: Include <iosfwd> instead of <istream> and
6 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
7 Remove unused, non-standard function.
9 * include/bits/regex.h (match_results::max_size()): Adjust return
10 value to account for prefix/suffix/unmatched subs.
11 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
12 reset the contained sub matches.
13 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
14 function to set result state following a failed match.
15 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
16 sub_match states after _M_resize. Use _M_establish_failed_match.
19 * include/std/thread (thread::_State_impl, thread::_S_make_state):
20 Replace single _Callable parameter with variadic _Args pack, to
21 forward them directly to the tuple of decayed copies.
22 * testsuite/30_threads/thread/cons/69724.cc: New test.
24 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
26 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
27 * include/bits/basic_string.h: (operator=(const basic_string&):
28 Move allocator decision to assign.
29 (assign(const basic_string&)): Move allocator decision here.
30 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
32 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
35 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
37 * testsuite/util/testsuite_allocator.h (memory_resource)
38 (default_resource_mgr): Fix indentation.
40 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
41 Use operator-> to access raw pointer member.
42 * testsuite/23_containers/vector/59829.cc: Likewise.
43 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
44 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
45 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
47 (PointerBase, PointerBase_void): Derive from NullablePointer and use
48 its constructors and equality operators. Change converting
49 constructors to use operator-> to access private member of the other
51 (PointerBase_void::operator->()): Add, for access to private member.
52 (operator-(PointerBase, PointerBase)): Change to hidden friend.
53 (operator==(PointerBase, PointerBase)): Remove.
54 (operator!=(PointerBase, PointerBase)): Remove.
56 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
57 not assume field called _M_head_impl is the first tuple element.
58 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
59 implementation more accurate.
60 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
61 empty pointer type and non-empty deleter.
63 LWG 2899 - Make is_move_constructible correct for unique_ptr
64 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
65 move assignment operator.
66 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
67 (__uniq_ptr_data): New class template with conditionally deleted
69 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
70 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
71 constructor and move assignment operator as defaulted.
72 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
73 __uniq_ptr_impl::release().
74 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
75 to __uniq_ptr_impl::reset(pointer).
76 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
77 Check for new __uniq_ptr_data type.
78 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
80 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
82 PR libstdc++/90454.cc path construction from void*
83 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
84 pointers to void are rejected as well as void.
85 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
86 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
88 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
90 * doc/xml/manual/policy_data_structures.xml: Comment out stray
91 <remark> elements. Fix formatting of bibliography references.
93 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
95 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
97 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
99 Remove Profile Mode, deprecated since 7.1.0
100 * doc/Makefile.am: Remove XML file for profile mode docs.
101 * doc/Makefile.in: Regenerate.
102 * doc/xml/authors.xml: Remove authors of profile mode docs.
103 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
105 * doc/xml/manual/debug.xml: Likewise.
106 * doc/xml/manual/evolution.xml: Document removal of profile mode.
107 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
108 * doc/xml/manual/spine.xml: Remove profile mode author credit.
109 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
111 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
113 * doc/html/*: Regenerate.
114 * include/Makefile.am: Remove profile mode headers.
115 * include/Makefile.in: Regenerate.
116 * include/bits/c++config (std::__profile): Remove namespace.
117 [_GLIBCXX_PROFILE]: Remove checks for macro.
118 * include/profile/array: Remove.
119 * include/profile/base.h: Remove.
120 * include/profile/bitset: Remove.
121 * include/profile/deque: Remove.
122 * include/profile/forward_list: Remove.
123 * include/profile/impl/profiler.h: Remove.
124 * include/profile/impl/profiler_algos.h: Remove.
125 * include/profile/impl/profiler_container_size.h: Remove.
126 * include/profile/impl/profiler_hash_func.h: Remove.
127 * include/profile/impl/profiler_hashtable_size.h: Remove.
128 * include/profile/impl/profiler_list_to_slist.h: Remove.
129 * include/profile/impl/profiler_list_to_vector.h: Remove.
130 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
131 * include/profile/impl/profiler_node.h: Remove.
132 * include/profile/impl/profiler_state.h: Remove.
133 * include/profile/impl/profiler_trace.h: Remove.
134 * include/profile/impl/profiler_vector_size.h: Remove.
135 * include/profile/impl/profiler_vector_to_list.h: Remove.
136 * include/profile/iterator_tracker.h: Remove.
137 * include/profile/list: Remove.
138 * include/profile/map: Remove.
139 * include/profile/map.h: Remove.
140 * include/profile/multimap.h: Remove.
141 * include/profile/multiset.h: Remove.
142 * include/profile/ordered_base.h: Remove.
143 * include/profile/set: Remove.
144 * include/profile/set.h: Remove.
145 * include/profile/unordered_base.h: Remove.
146 * include/profile/unordered_map: Remove.
147 * include/profile/unordered_set: Remove.
148 * include/profile/vector: Remove.
149 * scripts/run_doxygen: Do not process profile mode headers.
150 * testsuite/23_containers/array/element_access/60497.cc: Don't use
152 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
153 Remove dg-skip-if for profile mode.
154 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
155 preprocessor check for profile mode.
156 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
157 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
159 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
161 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
162 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
163 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
164 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
165 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
167 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
169 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
171 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
173 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
174 preprocessor check for profile mode.
175 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
177 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
178 Remove dg-skip-if for profile mode.
179 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
180 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
181 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
182 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
183 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
184 * testsuite/Makefile.am: Remove profile_flags variable and
185 * testsuite/Makefile.am: Remove profile_flags variable and
186 check-profile target.
187 * testsuite/Makefile.in: Regenerate.
188 * testsuite/ext/profile/all.cc: Remove.
189 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
190 * testsuite/ext/profile/profiler_algos.cc: Remove.
191 * testsuite/ext/profile/replace_new.cc: Remove.
192 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
193 preprocessor check for profile mode.
194 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
195 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
196 (check_v3_target_normal_mode): Do not check for profile mode macro.
197 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
199 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
200 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
201 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
202 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
203 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
204 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
205 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
206 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
207 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
208 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
210 Remove array_allocator extension, deprecated since 4.9.0
211 * doc/xml/manual/allocator.xml: Remove documentation for
213 * doc/xml/manual/evolution.xml: Document array_allocator removal.
214 * doc/xml/manual/using.xml: Remove header from documentation.
215 * include/Makefile.am: Remove <ext/array_allocator.h> header.
216 * include/Makefile.in: Regenerate.
217 * include/ext/array_allocator.h: Remove.
218 * include/precompiled/extc++.h: Do not include removed header.
219 * testsuite/ext/array_allocator/1.cc: Remove.
220 * testsuite/ext/array_allocator/2.cc: Remove.
221 * testsuite/ext/array_allocator/26875.cc: Remove.
222 * testsuite/ext/array_allocator/3.cc: Remove.
223 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
224 * testsuite/ext/array_allocator/check_delete.cc: Remove.
225 * testsuite/ext/array_allocator/check_new.cc: Remove.
226 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
227 * testsuite/ext/headers.cc: Do not include removed header.
229 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
231 * include/bits/stl_bvector.h
232 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
234 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
236 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
238 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
240 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
242 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
244 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
246 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
248 (_Bit_iterator::operator-(difference_type)): Likewise.
249 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
250 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
252 (_Bit_const_iterator::operator-(difference_type)): Likewise.
253 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
255 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
258 * testsuite/util/thread/all.h: Do not use remove_pointer for
259 std::thread::native_handle_type.
262 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
263 (_Variant_storage<true, Types...>::_M_reset()))
264 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
265 (__get_storage): Likewise.
266 (variant): Add noexcept to friend declarations for __get and
270 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
271 Use _Require for constraints.
272 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
274 (__uniq_ptr_hash): New base class with conditionally-disabled call
276 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
277 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
278 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
280 * include/bits/shared_ptr.h: Improve docs.
281 * include/bits/shared_ptr_base.h: Likewise.
282 * include/bits/stl_uninitialized.h: Likewise.
283 * include/bits/unique_ptr.h: Likewise.
284 * libsupc++/new: Likewise.
286 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
288 * include/bits/stl_deque.h
289 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
291 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
293 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
295 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
297 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
299 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
301 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
303 (_Deque_iterator<>::operator-(difference_type)): Likewise.
305 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
308 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
309 (test01): Reserve for number of insertions to avoid rehash during test.
310 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
312 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
317 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
319 * include/experimental/bits/fs_path.h: Improve docs.
320 * include/experimental/bits/net.h: Fix wrong header name in comment.
321 Do not document implementation details.
322 * include/experimental/netfwd: Fix doxygen grouping.
324 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
326 * include/bits/stl_pair.h: Improve docs.
327 * include/std/tuple: Likewise.
329 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
331 * include/std/chrono: Improve docs.
332 * include/std/ratio: Do not document implementation details.
333 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
335 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
338 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
339 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
340 (__duration_common_type): New helper.
341 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
342 __duration_common_type.
343 (__timepoint_common_type_wrapper): Replace with ...
344 (__timepoint_common_type): New helper.
345 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
346 Use __time_point_common_type.
347 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
348 (__common_type_impl): If either argument is transformed by decay,
349 use the common_type of the decayed types.
350 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
351 decayed, use __do_common_type_impl to get the common_type.
352 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
353 (__do_member_type_wrapper, __member_type_wrapper)
354 (__expanded_common_type_wrapper): Remove.
355 (__common_type_pack, __common_type_fold): New helpers.
356 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
357 __member_type_wrapper and __expanded_common_type_wrapper.
358 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
359 Test zero-length template argument list.
360 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
361 Test single argument cases and argument types that should decay.
362 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
363 Adjust expected error.
364 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
366 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
367 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
368 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
370 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
372 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
374 Make allocator propagation more consistent for
375 operator+(basic_string) (P1165R1)
376 * include/bits/basic_string.h
377 (operator+(basic_string&&, basic_string&&): Changed resulting
378 allocator to always be the one from the first parameter.
379 * include/bits/basic_string.tcc
380 (operator+(const _CharT*, const basic_string&)): Changed
381 resulting allocator to be SOCCC on the second parameter's allocator.
382 (operator+(_CharT, const basic_string&)): Likewise.
383 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
385 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
388 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
390 * include/bits/regex.h: Improve docs.
391 * include/bits/regex.tcc: Do not document implementation details.
393 * testsuite/19_diagnostics/error_code/hash.cc: New test.
395 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
397 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
398 Add type printer for container types in std::__debug namespace.
399 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
400 (gdb-tests): Use distinct parameters for the type of test and use of
402 (gdb-test): Check for regex test even if 'whatis' test.
403 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
405 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
406 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
407 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
408 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
409 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
410 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
411 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
413 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
415 * include/std/system_error (error_category): Fix comment.
418 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
419 argument is an empty path.
420 (absolute(const path&, error_code&)): Use invalid_argument as error
421 code instead of no_such_file_or_directory.
422 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
423 of non-existent paths and empty paths with both overloads of absolute.
425 * include/std/system_error (error_category, error_code)
426 (error_condition): Improve docs.
427 * libsupc++/exception: Add missing @addtogroup Doxygen command.
428 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
429 to class documentation. Suppress documentation for implementation
431 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
432 Suppress documentation for implementation details.
434 * include/std/system_error (error_code): Remove friend declaration
435 for hash<error_code>.
436 (hash<error_code>::operator()): Use public member functions to access
438 (hash<error_condition>::operator()): Use address of category, not
439 its object representation.
440 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
441 Use public member functions to access value and category.
442 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
444 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
446 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
447 * include/bits/hashtable_policy.h
448 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
449 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
450 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
451 smaller than input value rather than always greater. Preserve
452 _M_next_resize if called with 0 input. Use __builtin_floorl.
453 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
454 elements + number of insertions is greater than _M_next_resize. Start
455 with 11 buckets if not told otherwise. Use __builtin_floorl.
456 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
457 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
458 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
459 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
460 told otherwise. Use __builtin_floorl.
461 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
462 to also validate _Power2_rehash_policy.
463 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
466 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
469 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
473 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
474 overflow warning with -Wpedantic -Wsystem-headers.
476 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
479 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
480 * include/bits/move.h (swap): Remove extra parentheses.
482 * include/experimental/bits/lfts_config.h: Improve doc markup.
483 * include/experimental/optional: Improve docs.
484 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
485 (__constexpr_addressof): Remove.
486 (optional::operator->()): Use std::__addressof().
487 * include/std/optional (optional::operator->()): Adjust whitespace.
488 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
489 that operator-> is still constexpr with overloaded operator&. Change
490 to compile-only test.
491 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
494 * include/bits/shared_ptr.h: Improve docs.
495 * include/bits/shared_ptr_atomic.h: Likewise.
496 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
498 * include/bits/basic_string.h: Fix iterator/index confusion in
500 * include/bits/range_access.h: Fix Doxygen warnings.
501 * include/bits/refwrap.h: Do not document implementation details.
502 (ref, cref): Group docs with reference_wrapper.
503 * include/std/fstream: Fix Doxygen markup.
504 * libsupc++/initializer_list (begin, end): Group docs with
507 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
509 * include/bits/unique_lock.h: Fix/improve doxygen markup.
510 * include/std/mutex: Likewise.
511 * include/std/shared_mutex: Likewise.
513 * include/bits/fs_dir.h: Fix/improve doxygen markup.
514 * include/bits/fs_fwd.h: Likewise.
515 * include/bits/fs_ops.h: Likewise.
516 * include/bits/fs_path.h: Likewise.
517 * include/std/filesystem: Likewise.
519 * include/experimental/bits/net.h: Fix/improve doxygen markup.
520 * include/experimental/buffer: Likewise.
521 * include/experimental/executor: Likewise.
522 * include/experimental/internet: Likewise.
523 * include/experimental/io_context: Likewise.
524 * include/experimental/net: Likewise.
525 * include/experimental/netfwd: Likewise.
526 * include/experimental/socket: Likewise.
527 * include/experimental/timer: Likewise.
529 * doc/doxygen/doxygroups.cc: Move description of experimental group
531 * include/experimental/algorithm: Add to libfund-ts doc group.
532 * include/experimental/any: Likewise. Do not document implementation
534 * include/experimental/array: Add to libfund-ts doc group.
535 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
536 for Library Fundamentals.
537 * include/experimental/chrono: Add to libfund-ts doc group.
538 * include/experimental/deque: Likewise.
539 * include/experimental/forward_list: Likewise.
540 * include/experimental/functional: Likewise.
541 * include/experimental/iterator: Likewise.
542 * include/experimental/list: Likewise.
543 * include/experimental/map: Likewise.
544 * include/experimental/memory: Likewise.
545 * include/experimental/memory_resource: Likewise. Improve docs.
547 * include/experimental/numeric: Add to libfund-ts doc group.
548 * include/experimental/optional: Likewise.
549 * include/experimental/propagate_const: Likewise.
550 * include/experimental/random: Likewise.
551 * include/experimental/ratio: Likewise.
552 * include/experimental/regex: Likewise.
553 * include/experimental/set: Likewise.
554 * include/experimental/source_location: Likewise.
555 * include/experimental/string: Likewise.
556 * include/experimental/string_view: Likewise.
557 * include/experimental/system_error: Likewise.
558 * include/experimental/tuple: Likewise.
559 * include/experimental/type_traits: Likewise.
560 * include/experimental/unordered_map: Likewise.
561 * include/experimental/unordered_set: Likewise.
562 * include/experimental/utility: Likewise.
563 * include/experimental/vector: Likewise.
564 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
565 * testsuite/experimental/array/neg.cc: Adjust dg-error.
566 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
568 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
569 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
570 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
571 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
572 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
574 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
575 * include/experimental/bits/fs_fwd.h: Improve docs.
576 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
577 * include/experimental/bits/fs_path.h: Likewise.
578 (path, filesystem_error, u8path): Improve docs.
579 * include/experimental/filesystem: Link to docs for TS.
581 * config/allocator/new_allocator_base.h (__allocator_base): Add
582 workaround for Doxygen bug #6945.
583 * include/std/memory: Improve docs. Define group for pointer safety.
584 * include/std/scoped_allocator: Improve docs. Use "undocumented"
585 conditional to suppress documentation for implementation details.
587 * include/bits/specfun.h: Improve docs.
588 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
591 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
592 (std::experimental): Add docs.
593 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
594 namespace to nothing when generating docs.
595 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
596 * include/std/chrono (std::chrono): Likewise.
597 * include/std/functional (std::placeholders): Likewise.
598 * include/std/thread (std::this_thread): Likewise.
600 * include/parallel/settings.h: Fix Doxygen markup.
602 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
603 anything unless PB_DS_CLASS_C_DEC is defined.
604 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
605 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
606 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
607 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
608 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
609 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
610 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
612 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
613 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
614 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
615 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
616 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
617 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
618 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
619 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
620 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
621 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
622 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
624 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
625 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
627 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
630 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
631 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
632 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
635 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
637 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
638 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
639 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
640 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
641 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
642 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
644 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
645 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
648 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
651 * include/std/complex (__complex_proj): Return parameter unchanged.
652 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
653 floating-point types to take std::complex arguments.
654 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
655 floating-point types.
656 * testsuite/26_numerics/complex/proj.cc: New test.
658 2019-04-30 Jakub Jelinek <jakub@redhat.com>
660 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
661 to _Lock_policyE[012].
662 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
664 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
666 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
667 macros accidentally left in.
668 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
669 unnecessary -lstdc++fs option. Fix test for mingw.
670 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
673 2019-04-30 Jakub Jelinek <jakub@redhat.com>
675 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
677 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
679 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
681 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
682 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
685 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
687 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
690 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
691 class template and partial specialization.
694 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
696 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
697 functions to convert a value to an integral type.
698 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
699 (fill_n): Convert _Size parameter to an integral type.
700 * testsuite/25_algorithms/fill_n/87982.cc: New test.
701 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
702 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
703 * testsuite/25_algorithms/generate_n/87982.cc: New test.
704 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
705 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
707 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
709 Adding noexcept-specification on tuple constructors (LWG 2899)
710 * libstdc++-v3/include/std/tuple:
711 (tuple()): Add noexcept-specification.
712 (tuple(const _Elements&...)): Likewise
713 (tuple(_UElements&&...)): Likewise
714 (tuple(const tuple<_UElements...>&)): Likewise
715 (tuple(tuple<_UElements...>&&)): Likewise
716 (tuple(const _T1&, const _T2&)): Likewise
717 (tuple(_U1&&, _U2&&)): Likewise
718 (tuple(const tuple<_U1, _U2>&): Likewise
719 (tuple(tuple<_U1, _U2>&&): Likewise
720 (tuple(const pair<_U1, _U2>&): Likewise
721 (tuple(pair<_U1, _U2>&&): Likewise
722 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
724 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
727 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
728 arguments with __restrict.
730 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
732 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
734 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
736 * include/experimental/bits/fs_path.h
737 (path::_S_convert_loc<_InputIterator>): Create const std::string to
738 avoid redundant call to _S_convert_loc with non-const pointers.
740 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
741 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
742 * testsuite/21_strings/basic_string/hash/hash.cc
743 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
744 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
745 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
747 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
748 wstring::_M_replace_dispatch with more specific patterns.
749 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
750 Create const std::string to avoid redundant call to _S_convert_loc
751 with non-const pointers.
752 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
753 avoid unnecessary basic_string::assign instantiations.
755 * include/std/memory (__uses_alloc_args): Add string-literal to
756 static_assert, to match the one in __uses_alloc.
757 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
758 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
759 for recursive uses-allocator construction of nested pairs.
760 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
763 2019-04-26 Jakub Jelinek <jakub@redhat.com>
765 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
766 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
767 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
768 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
770 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
771 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
772 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
773 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
774 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
775 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
776 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
778 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
781 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
782 * include/std/scoped_allocator [__cplusplus > 201703L]
783 (scoped_allocator_adaptor::construct): Define in terms of
784 uses_allocator_construction_args, as per P0591R4.
785 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
786 * testsuite/util/testsuite_allocator.h: Remove name of unused
789 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
791 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
792 * doc/html/*: Regenerate.
794 * include/bits/fs_path.h (operator<, operator<=, operator>)
795 (operator>=, operator==, operator!=): Make hidden friends, as per
797 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
799 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
801 * include/std/any (any::any(ValueType&&)): Use __and_v.
802 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
805 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
807 * include/std/type_traits (__result_of_memfun): Use remove_reference
808 instead of __remove_cvref_t and remove redundant is_same check.
809 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
811 * include/experimental/string_view (basic_string_view::pointer)
812 (basic_string_view::reference): Fix to refer to non-const value_type.
813 * include/bits/basic_string.h (basic_string): Use __sv_check and
814 __sv_limit instead of basic_string_view::_M_check and
815 basic_string_view::_M_limit.
816 * include/std/string_view (__sv_check, __sv_limit): New
817 helper functions to replace basic_string_view::_M_check and
818 basic_string_view::_M_limit.
819 (basic_string_view): Add static assertions to enforce ill-formed
820 requirement for traits_type::char_type from P1148R0, and to enforce
821 required properties of char-like types.
822 (basic_string_view::pointer, basic_string_view::reference): Fix to
823 refer to non-const value_type.
824 (basic_string_view::operator[], basic_string_view::at)
825 (basic_string_view::front, basic_string_view::back)
826 (basic_string_view::data): Use const_reference and const_pointer
827 typedefs for return types.
828 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
829 (hash<wstring_view>): Fix argument_type typedef.
830 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
831 char/1.cc: Fix expected return type of basic_string_view::data().
832 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
833 wchar_t/1.cc: Likewise.
834 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
836 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
837 wchar_t/1.cc: Likewise.
838 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
840 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
841 Check reference and pointer typedefs.
842 * testsuite/experimental/string_view/requirements/typedefs.cc:
844 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
845 Fix expected return type of basic_string_view::data().
846 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
848 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
850 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
854 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
855 Avoid a runtime check for types that can never be stored in std::any.
856 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
859 PR libstdc++/90220 (partial)
860 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
861 not attempt ill-formed static_cast to pointers to non-object types.
862 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
865 * testsuite/20_util/variant/run.cc: Catch exception by reference to
866 prevent -Wcatch-value warning.
868 * include/std/variant (__variant_construct): Use template parameter
869 type instead of equivalent decltype-specifier.
870 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
871 Replace forward with move.
872 (_Move_ctor_base<false, Types...>::_M_destructive_move)
873 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
874 (_Move_ctor_base<true, Types...>::_M_destructive_move)
875 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
876 index after construction succeeds.
877 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
878 if-constexpr checks that are always true. Use __remove_cvref_t instead
879 of remove_reference so that is_nothrow_move_constructible check
880 doesn't use a const rvalue parameter. In the potentially-throwing case
881 construct a temporary and move assign it, as per LWG 2904.
882 (_Move_assign_base<false, Types...>::operator=): Remove redundant
883 if-constexpr checks that are always true. Use emplace as per LWG 2904.
884 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
885 construct a temporary and move assign from it, as per LWG 2904.
886 * testsuite/20_util/variant/exception_safety.cc: Check that
887 assignment operators have strong exception safety guarantee.
889 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
891 Document PSTL linker flags
893 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
895 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
897 * include/std/variant (__detail::__variant::_Traits): Make
898 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
899 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
901 (__detail::__variant::_Copy_assign_alias): Only depend on
902 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
903 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
904 move assignment operators.
907 * include/std/variant (variant::__not_self): New helper for the
908 is_same_v<remove_cvref_t<T>, variant>==false constraints.
909 (variant::__to_type_impl): Remove.
910 (variant::__to_type): Add default argument to check pack size, instead
911 of using __to_type_impl.
912 (variant::__accepted_type): Add default argument using __not_self.
913 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
914 for variant(T&&) constructor constraint.
915 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
916 Extract __accepted_type into a named template parameter for reuse in
917 other constraints and in the exception specification.
918 (variant::variant(in_place_type_t<T>, Args&&...))
919 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
920 (variant::variant(in_place_index_t<T>, Args&&...))
921 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
922 (variant::operator=T&&)): Remove redundant && from trait arguments.
923 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
924 isn't used for in_place_type or in_place_index arguments.
926 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
927 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
928 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
930 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
931 Bernd Edlinger <bernd.edlinger@hotmail.de>
932 Jakub Jelinek <jakub@redhat.com>
935 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
936 general-regs-only target attribute for ARM.
938 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
941 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
942 specialization also depend on is_nothrow_move_constructible.
943 * include/std/variant (__detail::__variant::__never_valueless()):
944 Only true if the variant would have a move assignment operator.
945 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
946 Check __never_valueless<T...>().
947 (variant::emplace): Only perform non-throwing move assignments
948 for never-valueless alternatives if the variant has a move assignment
950 * testsuite/20_util/variant/compile.cc: Check that never-valueless
951 types can be emplaced into non-assignable variants.
952 * testsuite/20_util/variant/run.cc: Check that never-valueless types
953 don't get copied when emplaced into non-assignable variants.
955 * include/std/variant (__detail::__variant::__ref_cast): Remove
957 (__detail::__variant::_Uninitialized::_M_get)
958 (__detail::__variant::__get)
959 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
961 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
963 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
965 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
966 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
967 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
968 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
970 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
972 Delegate PSTL configuration to pstl/pstl_config.h
974 * include/bits/c++config: Remove explicit PSTL configuration
975 macros and use definitions from <pstl/pstl_config.h>.
977 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
979 Cleanup algorithm implementations
980 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
982 (mismatch): Forward execution policy.
983 (equal): Qualify call to std::equal().
984 (partial_sort): Forward execution policy.
985 (inplace_merge): Forward execution policy.
987 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
989 Improve implementation of parallel equal()
990 * include/pstl/algorithm_impl.h
991 (__internal::__brick_equal): use "4 iterator" version of
993 (__internal::__brick_equal): use simd for random access
994 iterators on unsequenced execution policies.
995 (__internal::__pattern_equal): add "4 iterator" version
996 (__internal::__pattern_equal): dispatch to simd __brick_equal
997 for vector-only execution policies.
998 (__internal::__pattern_equal): dispatch to __parallel_or for
999 parallel execution policies.
1000 * include/pstl/glue_algorithm_impl.h
1001 (std::equal): dispatch to "4 iterator" version of
1002 __internal::__pattern_equal().
1004 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
1007 * include/bits/forward_list.h (operator==): Do not use operator!= to
1009 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
1010 earlier in the list, so that sort is stable.
1011 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
1012 * testsuite/23_containers/forward_list/comparable.cc: Test with
1013 types that meet the minimum EqualityComparable and LessThanComparable
1014 requirements. Remove irrelevant comment.
1016 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
1017 Do not depend on whether all alternative types are move constructible.
1018 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
1019 from the operand when deciding whether to perform the assignment.
1020 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
1021 with deleted move constructor and deleted move assignment operator.
1022 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
1023 behaviour of variants with DeletedMoves as an alternative.
1024 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
1025 (move_ctor, move_assign): Check that moving a variant with a
1026 DeletedMoves alternative falls back to copying instead of moving.
1028 * testsuite/20_util/variant/compile.cc: Remove empty string literals
1029 from static_assert declarations.
1031 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
1032 actually match its name.
1033 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
1034 (test_swap()): Fix result for MoveCtorOnly and check
1035 MoveCtorAndSwapOnly.
1037 * include/std/optional (optional::value_or(U&&) &&): Add missing
1038 constexpr specifier.
1039 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
1040 for disengaged optionals and rvalue optionals.
1041 * testsuite/20_util/optional/observers/4.cc: Likewise.
1043 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
1045 * include/pstl/algorithm_impl.h: Uglify identfiers.
1046 * include/pstl/numeric_impl.h: Uglify identfiers.
1047 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
1049 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
1051 * include/bits/c++config:
1052 Add definition for __PSTL_ASSERT.
1053 Add definition for __PSTL_ASSERT_MSG.
1054 * include/pstl/algorithm_impl.h: Replace use of assert().
1055 * include/pstl/numeric_impl.h: Replace use of assert().
1056 * include/pstl/parallel_backend_tbb.h:
1057 Replace use of assert().
1058 Replace use of __TBB_ASSERT().
1059 * include/pstl/parallel_backend_utils.h: Replace use of assert().
1061 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
1064 * src/c++17/memory_resource.cc
1065 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
1066 needed to allow placing a _Chunk at the end of the buffer.
1067 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
1069 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
1071 * doc/xml/faq.xml: Add information about emergency EH pool.
1072 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
1073 Move outdated information on mt_allocator to a separate section.
1074 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
1075 doesn't affect the default allocator.
1077 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
1081 * testsuite/20_util/variant/89851.cc: New test.
1083 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
1085 * include/std/variant: Adjust whitespace. Add comments.
1086 (_Multi_array): Leave primary template undefined.
1087 (_Multi_array<_Tp>): Define partial specialization for base case of
1089 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
1090 which is always a reference.
1091 (__gen_vtable::_S_apply()): Remove function, inline body into
1092 default member initializer.
1093 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
1095 * include/std/variant (__variant_idx_cookie): Add member type.
1096 (__visitor_result_type): Remove.
1097 (__do_visit): Use invoke_result instead of __visitor_result_type.
1098 * testsuite/20_util/variant/visit.cc: New test.
1101 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
1103 * testsuite/20_util/variant/90008.cc: New test.
1105 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
1107 * include/pstl/algorithm_impl.h: Add namespace qualification.
1108 * include/pstl/execution_defs.h: Add namespace qualification.
1109 * include/pstl/execution_impl.h: Add namespace qualification.
1110 * include/pstl/numeric_impl.h: Add namespace qualification.
1111 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
1112 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
1113 * include/pstl/parallel_backend_utils.h: Include <cassert>.
1115 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
1117 Fix visit<R> for variant.
1118 * include/std/variant (__do_visit): Add a template parameter
1119 for enforcing same return types for visit.
1120 (__gen_vtable_impl): Likewise.
1121 (_S_apply_single_alt): Adjust.
1122 (__visit_invoke_impl): New. Handle casting to void.
1123 (__do_visit_invoke): New. Enforces same return types.
1124 (__do_visit_invoke_r): New. Converts return types.
1125 (__visit_invoke): Adjust.
1126 (__gen_vtable): Add a template parameter for enforcing
1127 same return types for visit.
1128 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
1129 different return types.
1130 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
1131 visitors with different return types don't accidentally
1132 compile with regular visitation.
1134 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
1136 * testsuite/27_io/filesystem/iterators/caching.cc: Add
1137 dg-require-filesystem-ts.
1139 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
1141 * doc/xml/manual/status_cxx2020.xml: Update status.
1142 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
1143 * testsuite/20_util/variant/visit_r.cc: New test.
1145 * include/bits/fs_dir.h (directory_iterator::operator*)
1146 (directory_iterator::operator->): Add noexcept.
1147 (operator==, operator!=): Replace namespace-scope equality operators
1148 for directory iterators with hidden friends.
1151 * config/abi/pre/gnu.ver: Add missing exports.
1152 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
1155 * config/abi/pre/gnu.ver: Export new symbols.
1156 * include/bits/fs_dir.h (recursive_directory_iterator::options())
1157 (recursive_directory_iterator::recursion_pending())
1158 (recursive_directory_iterator::disable_recursion_pending()): Remove
1159 inline definitions. Make noexcept.
1160 (recursive_directory_iterator::depth())
1161 (recursive_directory_iterator::operator*())
1162 (recursive_directory_iterator::operator->()): Make noexcept.
1163 (recursive_directory_iterator::_M_options)
1164 (recursive_directory_iterator::_M_pending): Remove data members.
1165 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
1166 (recursive_directory_iterator::recursive_directory_iterator): Remove
1167 ctor-initializer. Use new constructor for _Dir_stack.
1168 (recursive_directory_iterator::options())
1169 (recursive_directory_iterator::recursion_pending())
1170 (recursive_directory_iterator::disable_recursion_pending()): Add
1171 non-inline definitions.
1172 (recursive_directory_iterator::depth()): Make noexcept.
1173 (recursive_directory_iterator::increment(error_code&))
1174 (recursive_directory_iterator::pop(error_code&)): Adjust to new
1175 location of options and recursion_pending members.
1176 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
1177 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
1178 user-declared move constructor and assignment operator, to make the
1181 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
1182 d_type == DT_UNKNOWN immediately.
1183 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
1185 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
1187 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
1189 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
1190 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
1193 PR libstdc++/87431 (again)
1194 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
1195 Define partial specialization for basic_string.
1196 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
1197 shared_ptr and weak_ptr.
1198 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
1200 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
1202 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
1204 * include/debug/vector (_Never_valueless_alt): Likewise for debug
1206 * include/std/any (_Never_valueless_alt): Define explicit
1207 specialization for any.
1208 * include/std/variant (_Never_valueless_alt): Define primary template.
1209 (__never_valueless): Use _Never_valueless_alt instead of
1210 is_trivially_copyable.
1211 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
1212 initializations to avoid try-catch overhead. Add special case for
1213 scalars produced by potentially-throwing conversions. Use
1214 _Never_valueless_alt instead of is_trivially_copyable for the
1215 remaining strong exception-safety cases.
1216 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
1217 * testsuite/20_util/variant/87431.cc: Run both test functions.
1218 * testsuite/20_util/variant/exception_safety.cc: New test.
1219 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
1220 so the variant becomes valueless.
1222 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
1225 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
1227 (variant::emplace<_Tp>): Return result of emplace<N> directly.
1229 * include/std/string (__hash_string_base): New class template defining
1230 operator() for hashing strings.
1231 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
1232 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
1233 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
1234 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
1236 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
1238 Use single-visitation in variant assignment and swap and relops.
1239 Also use indices instead of types when checking whether
1240 variants hold the same thing.
1241 * include/std/variant (__do_visit): Add a template parameter
1242 for index visitation, invoke with indices if index visitation
1244 (__variant_idx_cookie): New.
1245 (__visit_with_index): Likewise.
1246 (_Copy_assign_base::operator=): Do single-visitation with
1248 (_Move_assign_base::operator=): Likewise.
1249 (_Extra_visit_slot_needed): Adjust.
1250 (__visit_invoke): Call with indices if it's an index visitor.
1251 (relops): Do single-visitation with an index visitor.
1253 (__visitor_result_type): New.
1255 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
1257 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
1259 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
1261 Don't revisit a variant we are already visiting.
1262 * include/std/variant (__variant_construct_single): New.
1263 (__variant_construct): Use it.
1264 (_M_destructive_move): Likewise.
1265 (_M_destructive_copy): Likewise.
1266 (_Copy_assign_base::operator=): Adjust.
1267 (_Move_assign_base::operator=): Likewise.
1270 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
1273 * include/bits/hashtable.h (_Hashtable): Move static assertions to
1274 destructor so they are not evaluated until the _Key type is complete.
1275 * include/bits/stl_tree.h (_Rb_tree): Likewise.
1276 * testsuite/23_containers/set/85965.cc: New test.
1277 * testsuite/23_containers/unordered_set/85965.cc: New test.
1278 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
1279 with regexp matching the corresponding _Rb_tree specialization.
1280 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
1281 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
1282 * testsuite/23_containers/set/48101_neg.cc: Likewise.
1283 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
1284 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
1285 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
1286 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
1288 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1291 Fix based on a suggestion by Antony Polukhin.
1292 * include/std/variant (__never_valueless): New.
1294 (_Extra_visit_slot_needed): New.
1295 (_Multi_array): Use it.
1296 (_S_apply_all_alts): Likewise.
1298 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1301 Fix based on a suggestion by Antony Polukhin.
1302 * include/std/variant (__gen_vtable): Don't reserve an
1303 additional table slot, _Multi_array already does that.
1305 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1308 Fix based on a suggestion by Antony Polukhin.
1309 * include/std/variant (__variant_construct): Capture a pointer
1310 to the storage and visit just one variant.
1312 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
1314 * doc/xml/manual/backwards_compatibility.xml: Remove link to
1315 Doxygen-generated pages with unstable URL.
1316 * doc/xml/manual/concurrency_extensions.xml: Likewise.
1317 * doc/xml/manual/extensions.xml: Likewise.
1318 * doc/xml/manual/parallel_mode.xml: Likewise.
1319 * doc/xml/manual/support.xml: Likewise.
1321 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
1322 avoid -Wconversion warnings.
1324 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
1326 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
1327 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
1328 (allstamped): Add stamp-pstl.
1329 (install-headers): Add ptsl_builddir.
1330 * include/Makefile.in: Regenerate.
1331 * include/bits/c++config: Add pstl configuration.
1332 * include/pstl/LICENSE.txt: New file.
1333 * include/pstl/algorithm_fwd.h: New file.
1334 * include/pstl/algorithm_impl.h: New file.
1335 * include/pstl/execution_defs.h: New file.
1336 * include/pstl/execution_impl.h: New file.
1337 * include/pstl/glue_algorithm_defs.h: New file.
1338 * include/pstl/glue_algorithm_impl.h: New file.
1339 * include/pstl/glue_execution_defs.h: New file.
1340 * include/pstl/glue_memory_defs.h: New file.
1341 * include/pstl/glue_memory_impl.h: New file.
1342 * include/pstl/glue_numeric_defs.h: New file.
1343 * include/pstl/glue_numeric_impl.h: New file.
1344 * include/pstl/memory_impl.h: New file.
1345 * include/pstl/numeric_fwd.h: New file.
1346 * include/pstl/numeric_impl.h: New file.
1347 * include/pstl/parallel_backend.h: New file.
1348 * include/pstl/parallel_backend_tbb.h: New file.
1349 * include/pstl/parallel_backend_utils.h: New file.
1350 * include/pstl/parallel_impl.h: New file.
1351 * include/pstl/pstl_config.h: New file.
1352 * include/pstl/unseq_backend_simd.h: New file.
1353 * include/pstl/utils.h: New file.
1354 * include/std/algorithm: Include parallel algorithm implementations.
1355 * include/std/execution: New file.
1356 * include/std/memory: Include parallel algorithm implementations.
1357 * include/std/numeric: Include parallel algorithm implementations.
1358 * include/std/version: Add parallel algorithms feature test macro.
1359 * testsuite/util/pstl/pstl_test_config.h: New file.
1360 * testsuite/util/pstl/test_utils.h: New file.
1361 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1362 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1363 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1364 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1365 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1366 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1367 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1368 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1369 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1370 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1371 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1372 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1373 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1374 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1375 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1376 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1377 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1378 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1379 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1380 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1381 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1382 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1383 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1384 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1385 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1386 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1387 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1388 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1389 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1390 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1391 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1392 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1393 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1394 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1395 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1396 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1397 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1398 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1399 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1400 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1401 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1402 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1403 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1404 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1405 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1406 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1407 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1408 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1409 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1410 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1411 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1412 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1413 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1414 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1415 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1416 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1417 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1418 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1419 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1420 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1421 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1422 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1423 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1424 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1425 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1426 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1427 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1428 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1429 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1430 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1431 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1432 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1433 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1434 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1435 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1436 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1437 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1438 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1439 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1440 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1441 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1442 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1443 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1444 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1445 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1446 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1447 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1448 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1449 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1450 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1451 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1452 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1453 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1454 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1455 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1456 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1457 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1458 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1459 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1460 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1461 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1462 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1463 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1464 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1465 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1466 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1468 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
1470 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
1471 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
1472 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
1473 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
1474 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
1475 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
1476 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
1477 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
1478 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
1479 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
1480 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
1481 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
1482 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
1483 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
1484 when the special functions IS is enabled, not for C++17.
1485 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
1487 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
1488 without checks for special functions in C++17.
1489 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
1493 * include/backward/hash_map: Use <> for includes not "".
1494 * include/backward/hash_set: Likewise.
1495 * include/backward/strstream: Likewise.
1496 * include/tr1/bessel_function.tcc: Likewise.
1497 * include/tr1/exp_integral.tcc: Likewise.
1498 * include/tr1/legendre_function.tcc: Likewise.
1499 * include/tr1/modified_bessel_func.tcc: Likewise.
1500 * include/tr1/riemann_zeta.tcc: Likewise.
1502 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
1504 * doc/xml/manual/allocator.xml: Link to table documenting evolution
1505 of extension allocators.
1506 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
1507 Document new headers in 7.2, 8.1 and 9.1 releases.
1508 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
1509 * doc/html/*: Regenerate.
1511 2019-03-12 John David Anglin <dave.anglin@bell.net>
1514 * testsuite/lib/libstdc++.exp: Locate libatomic.
1515 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
1516 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
1518 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1519 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
1520 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
1521 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
1523 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
1526 * configure.ac: Check for sockatmark.
1527 * crossconfig.m4: Check for sockatmark.
1528 * config.h.in: Regenerate.
1529 * configure: Regenerate.
1530 * include/experimental/internet (address_v4::_S_hton): Rename
1531 overloaded functions to _S_hton_16 and _S_ntoh_16.
1532 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
1533 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
1534 * include/experimental/socket (basic_socket::at_mark): Check
1535 _GLIBCXX_HAVE_SOCKATMARK.
1537 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
1538 const variables instead of macros.
1541 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
1542 Use correct type for len_aligned.
1543 * testsuite/20_util/hash/89629.cc: New test.
1545 2019-03-11 Jakub Jelinek <jakub@redhat.com>
1548 * include/std/atomic (atomic<T>::store, atomic<T>::load,
1549 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
1550 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
1551 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
1552 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
1553 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
1554 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
1555 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
1556 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
1557 memory_order_seq_cst to int.
1559 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
1561 * doc/xml/manual/using.xml: Use link element instead of xref.
1562 * doc/html/*: Regenerate.
1564 * include/bits/fs_path.h (path::format): Add fixed underlying type.
1566 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
1569 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
1570 parameters in deduction guides.
1571 * include/debug/multimap.h (multimap): Likewise.
1572 * include/debug/set.h (multimap): Likewise.
1573 * include/debug/multiset.h (multimap): Likewise.
1574 * include/debug/unordered_map (unordered_map): Likewise.
1575 (unordered_multimap): Likewise.
1576 * include/debug/unordered_set (unordered_set): Likewise.
1577 (unordered_multiset): Likewise.
1580 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
1581 Invalidate all iterators in case of rehash.
1582 (unordered_multimap<>::_M_check_rehashed): Likewise.
1583 * include/debug/unordered_set
1584 (unordered_set<>::_M_check_rehashed): Likewise.
1585 (unordered_multiset<>::_M_check_rehashed): Likewise.
1586 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
1588 2019-03-07 Andreas Schwab <schwab@suse.de>
1590 * config/abi/post/riscv64-linux-gnu: New directory.
1591 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
1593 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
1595 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
1596 compile test to run. Fix typo.
1598 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
1599 * doc/html/*: Regenerate.
1601 P0356R5 Simplified partial function application
1602 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
1603 helpers for bind_front.
1604 (bind_front, __cpp_lib_bind_front): Define.
1605 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
1607 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1609 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
1610 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
1611 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
1612 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1614 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
1616 PR libstdc++/86655 - std::assoc_legendre should not constrain
1617 the value of m (or x).
1618 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
1619 __sph_legendre): If degree > order Don't throw, return 0.
1620 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
1621 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
1622 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
1623 * testsuite/tr1/5_numerical_facilities/special_functions/
1624 02_assoc_legendre/pr86655.cc: New test.
1625 * testsuite/tr1/5_numerical_facilities/special_functions/
1626 22_sph_legendre/pr86655.cc: New test.
1628 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
1631 Also PR libstdc++/85517
1632 * include/std/variant (__do_visit): New.
1633 (__variant_cast): Likewise.
1634 (__variant_cookie): Likewise.
1635 (__erased_*): Remove.
1636 (_Variant_storage::_S_vtable): Likewise.
1637 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
1638 (_Variant_storage::__M_reset): Adjust.
1639 (__variant_construct): New.
1640 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
1641 __variant_construct.
1642 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
1643 (_Move_ctor_base::__M_destructive_copy): New.
1644 (_Move_ctor_base::__M_destructive_move): Adjust to use
1645 __variant_construct.
1646 (_Copy_assign_base::operator=): Adjust to use __do_visit.
1647 (_Copy_assign_alias): Adjust to check both copy assignment
1648 and copy construction for triviality.
1649 (_Move_assign_base::operator=): Adjust to use __do_visit.
1650 (_Multi_array): Add support for visitors that accept and return
1652 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
1653 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
1654 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
1655 a __variant_cookie temporary for a variant that is valueless and..
1656 (__gen_vtable_impl::__visit_invoke): ..adjust here.
1657 (__gen_vtable::_Array_type): Conditionally make space for
1658 the __variant_cookie visitor case.
1659 (__variant_construct_by_index): New.
1660 (get_if): Adjust to use std::addressof.
1661 (relops): Adjust to use __do_visit.
1662 (variant): Add __variant_cast and __variant_construct_by_index
1664 (variant::emplace): Use _M_reset() and __variant_construct_by_index
1665 instead of self-destruction.
1666 (variant::swap): Adjust to use __do_visit.
1667 (visit): Reimplement in terms of __do_visit.
1668 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
1669 * testsuite/20_util/variant/compile.cc: Adjust.
1670 * testsuite/20_util/variant/run.cc: Likewise.
1672 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1674 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
1676 * testsuite/experimental/feat-char8_t.cc: Likewise.
1678 * include/std/type_traits [C++20] (is_bounded_array)
1679 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
1681 * testsuite/20_util/is_bounded_array/requirements/
1682 explicit_instantiation.cc: New test.
1683 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
1685 * testsuite/20_util/is_bounded_array/value.cc: New test.
1686 * testsuite/20_util/is_unbounded_array/requirements/
1687 explicit_instantiation.cc: New test.
1688 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
1690 * testsuite/20_util/is_unbounded_array/value.cc: New test.
1692 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
1694 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
1696 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
1698 * include/c_compatibility/math.h [C++20] (lerp): Add using
1700 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
1701 (__lerp): Define function template to implement lerp.
1702 (lerp(float, float, float), lerp(double, double, double))
1703 (lerp(long double, long double, long double)): Define for C++20.
1704 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
1705 (midpoint(T, T), midpoint(T*, T*)): Define.
1706 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
1707 * testsuite/26_numerics/lerp.cc: New test.
1708 * testsuite/26_numerics/midpoint/floating.cc: New test.
1709 * testsuite/26_numerics/midpoint/integral.cc: New test.
1710 * testsuite/26_numerics/midpoint/pointer.cc: New test.
1712 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
1714 PR libstdc++/88996 Implement P0439R0
1715 Make std::memory_order a scoped enumeration.
1716 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
1717 add variables for the old enumerators. Adjust calls.
1718 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
1719 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
1721 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
1723 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
1726 * include/std/memory_resource (polymorphic_allocator): Add default
1727 template argument for C++20.
1728 (polymorphic_allocator::allocate_bytes)
1729 (polymorphic_allocator::deallocate_bytes)
1730 (polymorphic_allocator::allocate_object)
1731 (polymorphic_allocator::deallocate_object)
1732 (polymorphic_allocator::new_object)
1733 (polymorphic_allocator::delete_object): New member functions for
1735 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
1738 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
1741 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
1744 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
1746 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
1747 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
1749 * include/std/memory (uses_allocator_construction_args): New set of
1750 overloaded functions.
1751 (make_obj_using_allocator, uninitialized_construct_using_allocator):
1753 * include/std/memory_resource (polymorphic_allocator::construct)
1754 [__cplusplus > 201703l]: Replace all overloads with a single function
1755 using uses_allocator_construction_args.
1756 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
1758 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
1760 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
1763 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
1764 stylesheet directories before check for xsltproc. Try to use
1765 xmlcatalog to find local stylesheet directory before trying hardcoded
1766 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
1767 check to look for the same stylesheet as doc/Makefile.am uses. Don't
1768 use xsltproc if xmlcatalog fails to find a local stylesheet.
1769 * configure.ac: Check for xmlcatalog.
1770 * Makefile.in: Regenerate.
1771 * configure: Likewise.
1772 * doc/Makefile.in: Likewise.
1773 * include/Makefile.in: Likewise.
1774 * libsupc++/Makefile.in: Likewise.
1775 * po/Makefile.in: Likewise.
1776 * python/Makefile.in: Likewise.
1777 * src/Makefile.in: Likewise.
1778 * src/c++11/Makefile.in: Likewise.
1779 * src/c++17/Makefile.in: Likewise.
1780 * src/c++98/Makefile.in: Likewise.
1781 * src/filesystem/Makefile.in: Likewise.
1782 * testsuite/Makefile.in: Likewise.
1784 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
1787 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
1788 container deduction guides.
1789 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
1790 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
1791 parameters in deduction guides.
1792 * include/bits/stl_multimap.h (multimap): Likewise.
1793 * include/bits/stl_multiset.h (multiset): Likewise.
1794 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
1795 * include/bits/stl_set.h (set): Likewise.
1796 * include/bits/stl_stack.h (stack): Likewise.
1797 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
1798 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
1799 constrain parameters in deduction guides.
1800 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
1802 * testsuite/23_containers/map/cons/deduction.cc: Test additional
1804 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
1805 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
1806 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
1807 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
1809 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
1811 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
1814 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
1815 to class template and partial specialization using void_t.
1816 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1818 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
1821 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
1822 copy and move members public.
1824 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
1826 * include/std/type_traits (__underlying_type_impl): New helper to
1827 make underlying_type SFINAE-friendly.
1828 (underlying_type): Derive from __underlying_type_impl.
1829 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
1833 * include/bits/char_traits.h (__constant_char_array): Check index is
1834 in range before dereferencing.
1835 (char_traits<char>::compare, char_traits<char>::find)
1836 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
1837 immediately if n is zero.
1838 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
1839 Remove workarounds for PR 67026.
1840 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
1842 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
1845 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1847 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
1848 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
1850 2019-02-22 Jakub Jelinek <jakub@redhat.com>
1853 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
1854 type to std::size_t and argument to type to long double.
1856 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1858 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
1859 * config/abi/post/sparc64-linux-gnu: New directory.
1860 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
1861 * config/abi/post/sparc64-linux-gnu/32: New directory.
1862 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
1864 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1866 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
1867 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
1870 2019-02-22 Tom Honermann <tom@honermann.net>
1872 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
1873 printers for u8string and u8string_view.
1875 2019-02-22 Tom Honermann <tom@honermann.net>
1877 * testsuite/18_support/byte/ops.cc: Validate
1878 std::to_integer<char8_t>, std::to_integer<char16_t>, and
1879 std::to_integer<char32_t>.
1880 * testsuite/18_support/numeric_limits/dr559.cc: Validate
1881 std::numeric_limits<char8_t>.
1882 * testsuite/18_support/numeric_limits/lowest.cc: Validate
1883 std::numeric_limits<char8_t>::lowest().
1884 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
1885 std::numeric_limits<char8_t>::max_digits10.
1886 * testsuite/18_support/type_info/fundamental.cc: Validate
1887 typeinfo for char8_t.
1888 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
1889 std::from_chars with char8_t.
1890 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
1891 Validate explicit instantiation of std::hash<char8_t>.
1892 * testsuite/20_util/is_integral/value.cc: Validate
1893 std::is_integral<char8_t>.
1894 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
1895 Validate std::make_signed<char8_t>.
1896 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
1897 Validate u8string construction from char8_t sources.
1898 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
1900 * testsuite/21_strings/basic_string_view/operations/compare/
1901 char/70483.cc: Validate substr operations on u8string_view.
1902 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
1903 the u8string_view typedef is defined.
1904 * testsuite/21_strings/char_traits/requirements/
1905 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
1907 * testsuite/21_strings/char_traits/requirements/
1908 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
1909 constexpr member functions.
1910 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
1911 that the u8string typedef is defined.
1912 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
1913 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
1914 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
1915 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
1917 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
1918 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
1920 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
1921 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
1922 Validate std::atomic<char8_t>::is_always_lock_free
1923 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
1924 Update line numbers.
1925 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
1927 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
1929 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1930 Validate std::experimental::pmr::u8string.
1931 * testsuite/experimental/string_view/typedefs.cc: Validate that the
1932 u8string_view typedef is defined.
1933 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
1934 char32_t to the typelists.
1936 2019-02-22 Tom Honermann <tom@honermann.net>
1938 * include/ext/typelist.h: Constrain a partial specialization of
1939 typelist::detail::append_ to only match chain<T1,T2>.
1941 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1944 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
1945 class template with class. Replace move and copy member types with
1946 member alias templates, so they are only instantiated when needed.
1947 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1948 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
1949 test for C++11/14/17 as well.
1950 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
1953 2019-02-20 Jakub Jelinek <jakub@redhat.com>
1956 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
1957 _GLIBCXX_PURE to the alias declaration.
1959 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
1961 * testsuite/21_strings/basic_string/literals/types.cc
1962 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
1963 * testsuite/21_strings/basic_string/literals/values.cc
1964 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1965 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
1966 potentially having different type.
1967 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1968 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
1970 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
1971 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1972 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
1973 string literals only using basic character set.
1974 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
1975 u8 literals to char.
1976 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
1977 Test ATOMIC_CHAR8_T_LOCK_FREE.
1978 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
1979 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
1980 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
1981 * testsuite/experimental/string_view/literals/types.cc
1982 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
1984 * testsuite/experimental/string_view/literals/values.cc
1985 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1987 2019-02-19 Tom Honermann <tom@honermann.net>
1989 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
1990 from char16_32_t.cc; validates numeric_limits<char8_t>.
1991 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
1992 test cloned from types.cc; validates operator""s for char8_t
1994 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
1995 test cloned from values.cc; validates construction and comparison
1997 * testsuite/21_strings/basic_string/requirements/
1998 /explicit_instantiation/char8_t/1.cc: New test cloned from
1999 char16_t/1.cc; validates explicit instantiation of
2000 basic_string<char8_t>.
2001 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
2002 New test cloned from types.cc; validates operator""sv for char8_t
2003 returns u8string_view.
2004 * testsuite/21_strings/basic_string_view/literals/
2005 values-char8_t.cc: New test cloned from values.cc; validates
2006 construction and comparison of u8string_view values.
2007 * testsuite/21_strings/basic_string_view/requirements/
2008 explicit_instantiation/char8_t/1.cc: New test cloned from
2009 char16_t/1.cc; validates explicit instantiation of
2010 basic_string_view<char8_t>.
2011 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
2012 New test cloned from char16_t/65049.cc; validates that
2013 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
2014 * testsuite/21_strings/char_traits/requirements/char8_t/
2015 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
2016 that char_traits<char8_t> member typedefs are present and correct.
2017 * testsuite/21_strings/char_traits/requirements/
2018 explicit_instantiation/char8_t/1.cc: New test cloned from
2019 char16_t/1.cc; validates explicit instantiation of
2020 char_traits<char8_t>.
2021 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
2022 from char16_t.cc: validates
2023 codecvt<char16_t, char8_t, mbstate_t>.
2024 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
2025 from char32_t.cc: validates
2026 codecvt<char32_t, char8_t, mbstate_t>.
2027 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
2028 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
2029 codecvt<char32_t, char8_t, std::mbstate_t>.
2030 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
2031 test cloned from string.cc; validates filesystem::path construction
2033 * testsuite/experimental/feat-char8_t.cc: New test; validates that
2034 the __cpp_lib_char8_t feature test macro is defined with the
2036 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
2037 New test cloned from string.cc; validates filesystem::path
2038 construction from char8_t input.
2039 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
2040 test cloned from types.cc; validates operator""sv for char8_t
2041 returns u8string_view.
2042 * testsuite/experimental/string_view/literals/values-char8_t.cc:
2043 New test cloned from values.cc; validates construction and
2044 comparison of u8string_view values.
2045 * testsuite/experimental/string_view/requirements/
2046 explicit_instantiation/char8_t/1.cc: New test cloned from
2047 char16_t/1.cc; validates explicit instantiation of
2048 basic_string_view<char8_t>.
2049 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
2050 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
2053 2019-02-19 Tom Honermann <tom@honermann.net>
2055 P0482R5 char8_t: Standard library support
2056 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
2057 typeinfo symbols for char8_t.
2058 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
2059 (GLIBCXX_3.4.26): Add symbols for specializations of
2060 numeric_limits and codecvt that involve char8_t.
2061 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
2062 * include/bits/atomic_base.h: Add atomic_char8_t.
2063 * include/bits/basic_string.h: Add std::hash<u8string> and
2064 operator""s(const char8_t*, size_t).
2065 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
2067 * include/bits/char_traits.h: Add char_traits<char8_t>.
2068 * include/bits/codecvt.h: Add
2069 codecvt<char16_t, char8_t, mbstate_t>,
2070 codecvt<char32_t, char8_t, mbstate_t>,
2071 codecvt_byname<char16_t, char8_t, mbstate_t>, and
2072 codecvt_byname<char32_t, char8_t, mbstate_t>.
2073 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
2074 recognize char8_t as an integral type.
2075 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
2077 (path::u8string): Return std::u8string when char8_t support is
2079 (path::generic_u8string): Likewise.
2080 (path::_S_convert): Handle conversion from char8_t input.
2081 (path::_S_str_convert): Likewise.
2082 * include/bits/functional_hash.h: Add hash<char8_t>.
2083 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
2085 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
2086 for new char8_t specializations.
2087 * include/bits/localefwd.h: Add missing declarations of
2088 codecvt<char16_t, char, mbstate_t> and
2089 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
2090 codecvt<char16_t, char8_t, mbstate_t> and
2091 codecvt<char32_t, char8_t, mbstate_t>.
2092 * include/bits/postypes.h: Add u8streampos
2093 * include/bits/stringfwd.h: Add declarations of
2094 char_traits<char8_t> and u8string.
2095 * include/c_global/cstddef: Add __byte_operand<char8_t>.
2096 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
2098 (path::u8string): Return std::u8string when char8_t support is
2100 (path::generic_u8string): Likewise.
2101 (path::_S_convert): Handle conversion from char8_t input.
2102 (path::_S_str_convert): Likewise.
2103 * include/experimental/string: Add u8string.
2104 * include/experimental/string_view: Add u8string_view,
2105 hash<experimental::u8string_view>, and
2106 operator""sv(const char8_t*, size_t).
2107 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
2108 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
2109 as a character type.
2110 * include/std/limits: Add numeric_limits<char8_t>.
2111 * include/std/string_view: Add u8string_view,
2112 hash<experimental::u8string_view>, and
2113 operator""sv(const char8_t*, size_t).
2114 * include/std/type_traits: Add __is_integral_helper<char8_t>,
2115 __make_unsigned<char8_t>, and __make_signed<char8_t>.
2116 * libsupc++/atomic_lockfree_defines.h: Define
2117 ATOMIC_CHAR8_T_LOCK_FREE.
2118 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
2119 codecvt.cc and limits.cc so that char8_t specializations of
2120 numeric_limits and codecvt and emitted.
2121 * src/c++11/Makefile.in: Likewise.
2122 * src/c++11/codecvt.cc: Define members of
2123 codecvt<char16_t, char8_t, mbstate_t>,
2124 codecvt<char32_t, char8_t, mbstate_t>,
2125 codecvt_byname<char16_t, char8_t, mbstate_t>, and
2126 codecvt_byname<char32_t, char8_t, mbstate_t>.
2127 * src/c++11/limits.cc: Define members of
2128 numeric_limits<char8_t>.
2129 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
2130 locale_init.cc and localename.cc.
2131 * src/c++98/Makefile.in: Likewise.
2132 * src/c++98/locale_init.cc: Add initialization for the
2133 codecvt<char16_t, char8_t, mbstate_t> and
2134 codecvt<char32_t, char8_t, mbstate_t> facets.
2135 * src/c++98/localename.cc: Likewise.
2136 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
2138 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
2140 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
2141 * 27_io/filesystem/operations/resize_file.cc: Likewise.
2142 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
2144 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
2146 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
2147 * doc/html/*: Regenerate.
2149 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
2150 * doc/html/*: Regenerate.
2152 * doc/xml/manual/intro.xml: Document LWG 2586 status.
2153 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
2154 allocator type in is_constructible checks.
2155 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
2156 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
2157 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
2158 problematic type from LWG 2586 discussion.
2159 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
2160 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
2162 * configure.ac: Check for C11 timespec_get function.
2163 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
2165 * config.h.in: Regenerate.
2166 * configure: Regenerate.
2167 * include/c_global/ctime (timespec, timespec_get): Add to namespace
2168 std for C++17 and up.
2170 * doc/xml/manual/intro.xml: Document LWG 2537 status.
2171 * include/bits/stl_queue.h
2172 (priority_queue(const Compare&, const Container&, const Alloc&))
2173 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
2175 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
2177 * doc/xml/manual/intro.xml: Document LWG 2566 status.
2178 * include/bits/stl_queue.h (queue, priority_queue): Add static
2179 assertions to enforce LWG 2566 requirement on value_type.
2180 * include/bits/stl_stack.h (stack): Likewise.
2183 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
2185 * doc/xml/manual/intro.xml: Document LWG 2735 status.
2186 * include/bits/std_abs.h: Add comment about LWG 2735.
2187 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
2189 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
2192 * include/std/version [__cpp_impl_destroying_delete]
2193 (__cpp_lib_destroying_delete): Only define for C++2a and later.
2194 * libsupc++/new [__cpp_impl_destroying_delete]
2195 (__cpp_lib_destroying_delete): Likewise.
2196 (destroying_delete_t, destroying_delete): Likewise, but define even
2197 when __cpp_impl_destroying_delete is not defined.
2198 * testsuite/18_support/destroying_delete.cc: New test.
2200 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
2203 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
2204 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
2205 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
2206 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
2208 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
2211 * include/bits/fs_path.h (path::has_root_name)
2212 (path::has_root_directory, path::has_root_path)
2213 (path::has_relative_path, path::has_parent_path)
2214 (path::has_filename, path::has_stem, path::has_extension)
2215 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
2217 * src/c++17/fs_path.cc (path::has_root_name)
2218 (path::has_root_directory, path::has_root_path)
2219 (path::has_relative_path, path::has_parent_path)
2220 (path::has_filename, path::_M_find_extension): Add noexcept.
2222 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
2224 PR libstdc++/89102 (partial)
2225 * include/std/type_traits (common_type<>): Define.
2226 (common_type<T>): Derive from common_type<T, T>.
2227 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
2228 Test zero-length template argument list.
2229 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
2230 Test additional single argument cases.
2231 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
2232 Adjust expected error.
2234 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
2237 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
2239 * include/bits/stl_stack.h (stack): Likewise.
2240 * testsuite/23_containers/priority_queue/deduction.cc: New test.
2241 * testsuite/23_containers/queue/deduction.cc: New test.
2242 * testsuite/23_containers/stack/deduction.cc: New test.
2245 * include/std/type_traits (__is_convertible_helper)
2246 (__is_convertible_helper<_From, _To, false>): Revert changes to
2247 support is_nothrow_convertible.
2248 (__is_nt_convertible_helper): New helper.
2249 (is_nothrow_convertible): Use __is_nt_convertible_helper.
2251 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
2252 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
2255 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
2256 __is_alloc_insertable_impl. Replace single type member with two
2257 members, one for each of copy and move insertable.
2258 (__is_move_insertable): New trait for internal use.
2259 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
2260 (vector::_S_nothrow_relocate(true_type)): New functions to
2261 conditionally check if __relocate_a can throw.
2262 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
2263 on __is_move_insertable.
2264 (vector::_S_do_relocate): New overloaded functions to conditionally
2266 (vector::_S_relocate): New function that dispatches to _S_do_relocate
2267 based on _S_use_relocate.
2268 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2269 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
2270 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
2273 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
2274 parameter unnamed. Add message to static assertion.
2275 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2276 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
2279 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
2282 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
2284 (__is_bitwise_relocatable): ... to this.
2285 (__relocate_a_1): Adapt.
2286 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
2287 (__is_bitwise_relocatable): ... to this.
2289 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
2292 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
2293 final component as well as from _M_pathname. Append the dot using
2294 operator+= instead of only to _M_pathname.
2295 (path::_M_find_extension): Reformat slightly.
2296 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
2297 Add more test cases.
2299 2019-01-30 Ulrich Drepper <drepper@redhat.com>
2301 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
2303 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
2305 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
2306 constexpr specifiers from arg and proj.
2308 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
2309 __shared_ptr instantiations used by gcc4-compatible ABI.
2311 * include/experimental/forward_list (experimental::erase): Qualify
2313 * include/experimental/list (experimental::erase): Likewise.
2314 * include/std/forward_list (std::erase): Likewise.
2315 * include/std/list (std::erase): Likewise.
2317 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
2319 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
2320 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
2321 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
2322 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
2323 * testsuite/ext/array_allocator/26875.cc: Likewise.
2324 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
2325 * testsuite/util/replacement_memory_operators.h: Likewise.
2326 * testsuite/util/testsuite_allocator.h: Likewise.
2328 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
2329 normal mode vector, even for debug mode.
2330 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
2331 Define alias template for normal mode vector.
2333 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
2336 * config/locale/generic/c_locale.h (__convert_from_v)
2337 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2338 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2339 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
2340 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2342 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
2345 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
2346 data member with static member function _S_use_relocate().
2347 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2348 (vector::_M_default_append): Use _S_use_relocate() instead of
2351 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
2354 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
2357 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
2358 write to stderr instead of using printf.
2360 2019-01-21 Jakub Jelinek <jakub@redhat.com>
2363 * include/bits/char_traits.h (__constant_string_p,
2364 __constant_char_array_p): Use __builtin_is_constant_evaluated if
2367 2019-01-20 Ulrich Drepper <drepper@redhat.com>
2369 Implement C++20 P0600r1.
2370 * include/backward/hash_map: Add nodiscard attribute to empty.
2371 * include/backward/hash_set: Likewise.
2372 * backward/hashtable.h: Likewise.
2373 * include/bits/basic_string.h: Likewise.
2374 * include/bits/forward_list.h: Likewise.
2375 * include/bits/hashtable.h: Likewise.
2376 * include/bits/regex.h: Likewise.
2377 * include/bits/stl_deque.h: Likewise.
2378 * include/bits/stl_list.h: Likewise.
2379 * include/bits/stl_map.h: Likewise.
2380 * include/bits/stl_multimap.h: Likewise.
2381 * include/bits/stl_multiset.h: Likewise.
2382 * include/bits/stl_queue.h: Likewise.
2383 * include/bits/stl_set.h: Likewise.
2384 * include/bits/stl_stack.h: Likewise.
2385 * include/bits/stl_tree.h: Likewise.
2386 * include/bits/stl_vector.h: Likewise.
2387 * include/bits/unordered_map.h: Likewise.
2388 * include/bits/unordered_set.h: Likewise.
2389 * include/debug/array: Likewise.
2390 * include/experimental/any: Likewise.
2391 * include/experimental/bits/fs_path.h: Likewise.
2392 * include/experimental/internet: Likewise.
2393 * include/experimental/string_view: Likewise.
2394 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
2396 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
2398 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
2400 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
2402 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
2404 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
2406 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
2408 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
2410 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2411 info_fn_imps.hpp: Likewise.
2412 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2413 left_child_next_sibling_heap_.hpp: Likewise.
2414 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
2416 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
2418 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
2420 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
2422 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
2424 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
2426 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
2428 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
2429 * include/ext/pb_ds/trie_policy.hpp: Likewise.
2430 * include/ext/rope: Likewise.
2431 * include/ext/slist: Likewise.
2432 * include/ext/vstring.h: Likewise.
2433 * include/profile/array: Likewise.
2434 * include/std/array: Likewise.
2435 * include/tr1/array: Likewise.
2436 * include/tr1/hashtable.h: Likewise.
2437 * include/tr1/regex: Likewise.
2438 * include/tr2/dynamic_bitset: Likewise.
2439 * include/bits/alloc_traits.h: Add nodiscard attribute to
2441 * include/experimental/memory_resource: Likewise.
2442 * include/ext/alloc_traits.h: Likewise.
2443 * include/ext/array_allocator.h: Likewise.
2444 * include/ext/bitmap_allocator.h: Likewise.
2445 * include/ext/debug_allocator.h: Likewise.
2446 * include/ext/extptr_allocator.h: Likewise.
2447 * include/ext/mt_allocator.h: Likewise.
2448 * include/ext/new_allocator.h: Likewise.
2449 * include/ext/pool_allocator.h: Likewise.
2450 * include/ext/throw_allocator.h: Likewise.
2451 * include/std/scoped_allocator: Likewise.
2452 * libsupc++/eh_alloc.cc: Likewise.
2453 * include/std/future: Add nodiscard attribute to async.
2454 * libsupc++/new: Add nodiscard attribute to new.
2456 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
2461 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
2462 * include/bits/shared_ptr.h
2463 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
2464 (allocate_shared): Change to use new tag type.
2465 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
2466 Declare new member function.
2467 (_Sp_alloc_shared_tag): Define new type.
2468 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
2469 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
2470 _Sp_make_shared_tag::_S_eq to check type_info.
2471 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
2472 Constrain to prevent being called with _Sp_alloc_shared_tag.
2473 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
2474 Replace constructor with ...
2475 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
2476 reference parameter so address of the new object can be returned to
2477 the caller. Obtain the allocator from the tag type.
2478 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
2479 constructor with ...
2480 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
2481 to the __shared_count constructor.
2482 (__allocate_shared): Change to use new tag type.
2483 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
2485 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
2487 * src/c++17/fs_ops.cc
2488 (equivalent(const path&, const path&, error_code&))
2489 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
2490 compare files instead of relying on incomplete info returned by stat.
2493 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
2494 if the path is already absolute.
2495 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
2496 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
2499 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
2500 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
2501 of filesystem::exists.
2502 (create_directories(const path&, error_code&)): Add assertions.
2503 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
2504 Add workaround for bug in _wstat for paths with trailing slash.
2505 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
2506 for expected behaviour on mingw.
2507 * testsuite/experimental/filesystem/operations/create_directories.cc:
2509 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
2510 "TMP" instead of "TMPDIR" and clean environment before each test. Do
2511 not test permissions on mingw targets.
2513 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
2515 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
2516 constructors and open members taking wide strings. Fix patterns for
2517 filesystem::path members to match wstring_view parameters. Add
2518 exports for shared_ptr members used by directory iterators.
2519 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
2520 error code parameter if the file doesn't exist.
2521 * src/filesystem/ops.cc (remove(const path&, error_code&)):
2523 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
2524 values for mingw targets, where "/" is not an absolute path. Do not
2525 test symlinks on mingw targets.
2526 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
2527 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
2529 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
2530 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
2531 that each component of the path is created.
2532 * testsuite/experimental/filesystem/operations/create_directories.cc:
2534 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
2535 permissions on mingw targets.
2536 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
2537 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2538 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
2539 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
2541 * testsuite/experimental/filesystem/operations/permissions.cc:
2543 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
2544 symlinks or permissions on mingw targets.
2545 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
2546 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
2547 symlinks on mingw targets.
2548 * testsuite/experimental/filesystem/operations/remove_all.cc:
2550 * testsuite/27_io/filesystem/operations/status.cc: Do not test
2551 permissions on mingw targets.
2552 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
2553 test symlinks on mingw targets.
2554 * testsuite/experimental/filesystem/operations/space.cc: Fix test
2557 2019-02-14 Ulrich Drepper <drepper@redhat.com>
2560 Warn about unused comparisons of shared_ptr/unique_ptr
2561 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
2562 * include/bits/shared_ptr.h: Use it for operator ==, !=,
2563 <, <=, >, >= for shared_ptr.
2564 * include/bits/unique_ptr.h: Likewise for unique_ptr.
2566 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
2568 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
2569 as 201611L, because P0497R0 changes are supported.
2570 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
2572 * include/bits/erase_if.h [__cplusplus > 201703L]
2573 (__cpp_lib_erase_if): Only define for C++2a.
2574 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2575 (__cpp_lib_null_iterators): Define.
2576 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2577 (__cpp_lib_null_iterators): Define.
2578 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
2580 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
2582 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
2584 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
2585 changes are supported.
2586 * include/std/optional (__cpp_lib_optional): Likewise.
2587 * include/std/variant (__cpp_lib_variant): Likewise.
2588 * include/std/version [!__STRICT_ANSI__]
2589 (__cpp_lib_uncaught_exceptions): Define as long integer.
2590 [__cplusplus >= 201703L] (__cpp_lib_any)
2591 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
2592 (__cpp_lib_variant): Define for C++17.
2593 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
2595 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
2598 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
2600 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
2604 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
2606 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
2609 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2611 * doc/xml/manual/intro.xml: Include new section.
2612 * doc/xml/manual/status_cxx2017.xml: Document more
2613 implementation-defined properties of the library.
2614 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
2615 * doc/html/*: Regenerate.
2617 * include/bits/refwrap.h [__cplusplus > 201703L]
2618 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
2619 (_Reference_wrapper_base_memfun): Do not define for C++2a.
2620 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
2622 (reference_wrapper::operator()): Add static assertion.
2623 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
2625 * include/std/chrono (duration_values::zero(), duration_values::min())
2626 (duration_values::max()): Add noexcept.
2627 (duration::zero(), duration::min(), duration::max()): Likewise.
2628 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
2629 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
2630 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
2632 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
2634 2019-01-11 Jakub Jelinek <jakub@redhat.com>
2636 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
2637 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
2639 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2642 * include/bits/functional_hash.h (hash<nullptr_t>): Define
2643 specialization for C++17 (P0513R0, LWG 2817).
2644 * testsuite/20_util/hash/nullptr.cc: New test.
2647 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
2648 pattern for std::basic_stringbuf::str().
2650 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
2651 basic_ostream::operator<< patterns.
2653 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2655 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
2656 test failures on targets with 32-bit time_t.
2658 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
2659 * include/std/deque: Likewise.
2660 * include/std/forward_list: Likewise.
2661 * include/std/list: Likewise.
2662 * include/std/string: Likewise.
2663 * include/std/vector: Likewise.
2664 * include/std/version: Likewise.
2665 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
2666 * testsuite/23_containers/deque/erasure.cc: Likewise.
2667 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
2668 * testsuite/23_containers/list/erasure.cc: Likewise.
2669 * testsuite/23_containers/map/erasure.cc: Likewise.
2670 * testsuite/23_containers/set/erasure.cc: Likewise.
2671 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2672 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
2673 * testsuite/23_containers/vector/erasure.cc: Likewise.
2675 * include/experimental/internet [AI_NUMERICSERV]
2676 (resolver_base::numeric_service): Define conditionally.
2677 * testsuite/experimental/net/internet/resolver/base.cc: Test it
2679 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
2682 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
2683 Jonathan Wakely <jwakely@redhat.com>
2686 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
2687 (GLIBCXX_3.4.26): Add new exports.
2688 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
2689 correct list of sources.
2690 * include/Makefile.in: Regenerate.
2691 * include/std/ostream (operator<<(nullptr_t)): New member function.
2692 * src/c++17/ostream-inst.cc: New file.
2693 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
2696 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2698 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
2699 of the source file containing the caller.
2700 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
2701 directories created by test.
2702 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2704 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
2706 * testsuite/experimental/filesystem/iterators/
2707 recursive_directory_iterator.cc: Likewise.
2709 2019-01-10 Jakub Jelinek <jakub@redhat.com>
2711 PR tree-optimization/88775
2712 * include/bits/stl_function.h (greater<_Tp*>::operator(),
2713 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
2714 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
2715 instead of __builtin_constant_p if available. Don't bother with
2716 the pointer comparison in C++11 and earlier.
2718 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
2722 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
2725 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
2727 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
2728 for filesystem::path. Give variables more distinctive names.
2730 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
2731 member function to perform non-trivial assignment.
2732 (_Optional_payload_base::_M_move_assign): Likewise.
2733 (_Optional_payload<T, true, false, true>::operator=)
2734 (_Optional_payload<T, true, true, false>::operator=)
2735 (_Optional_payload<T, true, false, false>::operator=): Call
2736 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
2739 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
2740 test std::complex<long double> if long double format is IBM128.
2741 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
2744 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2746 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
2747 for old std::unique_ptr layout.
2748 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
2749 to become valueless. Add filesystem::path tests.
2752 * include/std/optional (_Optional_payload_base): New class template
2753 for common code hoisted from _Optional_payload specializations. Use
2754 a template for the union, to allow a partial specialization for
2755 types with non-trivial destructors. Add constructors for in-place
2756 initialization to the union.
2757 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
2758 to perform non-trivial copy construction, instead of relying on
2759 non-standard copy elision in a delegating constructor.
2760 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
2761 non-trivial move construction.
2762 (_Optional_payload): Derive from _Optional_payload_base and use it
2763 for everything except the non-trivial assignment operators, which are
2765 (_Optional_payload<false, C, M>): Derive from the specialization
2766 _Optional_payload<true, false, false> and add a destructor.
2767 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
2768 Forward to corresponding members of _Optional_payload.
2769 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
2770 Hoist common members from _Optional_base.
2771 (_Optional_base): Make all members and base class public.
2772 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
2773 _Optional_base_impl.
2774 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
2775 support for new std::optional layout.
2776 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
2779 * include/bits/locale_conv.h: Use <> for includes not "".
2780 * include/ext/random: Likewise.
2781 * include/ext/vstring.h: Likewise.
2783 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2785 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
2786 (GLIBCXX_3.4.21): Likewise.
2788 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2791 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
2792 to match the one that controls whether utimbuf and utime are declared.
2794 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
2797 * include/bits/char_traits.h (char_traits::move): Do not pass null
2798 pointers to memmove.
2799 * include/bits/locale_facets.h
2800 (ctype<char>::widen(const char*, const char*, char*)): Do not
2801 pass null pointers to memcpy.
2802 (ctype<char>::narrow(const char*, const char*, char, char*)):
2804 (ctype<char>::do_widen(const char*, const char*, char*)):
2806 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
2809 * doc/xml/manual/spine.xml: Update copyright years.
2810 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
2811 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
2812 for C++17 filesystem library.
2813 * doc/html/*: Regenerate.
2815 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
2816 * config.h.in: Regenerate.
2817 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
2818 alphabetically and add missing entries for copy_symlink,
2819 hard_link_count, rename, and resize_file.
2820 * configure: Regenerate.
2821 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
2822 used unconditionally.
2823 * src/filesystem/ops-common.h (__gnu_posix::truncate)
2824 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
2825 supports truncating to zero length.
2826 * testsuite/27_io/filesystem/operations/all.cc: New test.
2827 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
2829 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
2832 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
2833 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
2834 * config.h.in: Regenerate.
2835 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
2836 remaining std::filesystem types and functions.
2837 * configure: Regenerate.
2838 * src/c++17/Makefile.am: Add C++17 filesystem sources.
2839 * src/c++17/Makefile.in: Regenerate.
2840 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
2841 here, and change name of included file.
2842 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
2843 here, and change name of included file.
2844 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
2845 path to dir-common.h.
2846 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
2847 path to ops-common.h. Disable -Wunused-parameter warnings.
2848 (internal_file_clock): Define unconditionally.
2849 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
2851 (do_copy_file, do_space): Move definitions to ops.common.h.
2852 (copy, file_size, hard_link_count, last_write_time, space): Only
2853 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
2855 (last_write_time, read_symlink): Remove unused attributes from
2857 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
2858 * src/filesystem/Makefile.in: Regenerate.
2859 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
2860 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
2861 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
2862 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
2863 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
2864 dummy types and functions instead of using #error.
2865 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
2866 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
2868 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
2869 (do_copy_file, do_space): Move definitions here from std-ops.cc.
2870 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
2871 to account for new namespace.
2872 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
2873 -lstdc++fs from dg-options.
2874 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
2875 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
2876 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
2877 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
2878 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
2880 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
2881 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2883 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
2884 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
2885 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
2886 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
2887 * testsuite/27_io/filesystem/operations/create_directories.cc:
2889 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
2890 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
2891 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
2892 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
2893 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
2894 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
2895 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2896 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
2897 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
2898 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
2899 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
2900 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
2901 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
2902 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
2903 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
2904 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2905 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2906 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
2908 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
2912 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
2913 typeinfo and vtables less greedy.
2914 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
2915 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
2916 * src/c++17/Makefile.in: Regenerate.
2917 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
2918 here, and change name of included file.
2919 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
2920 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
2922 * src/filesystem/Makefile.in: Regenerate.
2923 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
2924 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
2925 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
2926 from dg-options and remove dg-require-filesystem-ts.
2927 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
2928 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
2929 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
2930 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
2931 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
2932 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
2933 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
2934 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
2935 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
2936 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
2937 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
2938 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
2939 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
2940 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
2941 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
2942 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
2943 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
2944 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
2945 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
2946 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
2947 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
2949 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
2950 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
2951 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
2952 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
2953 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
2954 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
2955 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
2956 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
2957 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
2958 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
2959 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
2960 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
2962 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
2964 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
2966 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
2968 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
2969 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
2970 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
2971 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
2972 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
2973 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
2974 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
2975 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
2976 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
2977 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
2979 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
2980 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
2981 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
2982 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
2983 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
2986 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
2987 Check is_trivially_copyable instead of is_scalar.
2988 (variant::emplace<N, Args>(Args&&...)): If construction of the new
2989 contained value can throw and its type is trivially copyable then
2990 construct into a temporary variant and move from it, to provide the
2991 strong exception safety guarantee.
2992 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
2994 * testsuite/20_util/variant/87431.cc: New test.
2995 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
2996 conversion causes valueless state.
2999 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
3000 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
3001 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
3002 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
3003 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
3005 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
3007 * include/bits/fs_fwd.h (__file_clock): Define new clock.
3008 (file_time_type): Redefine in terms of __file_clock.
3009 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
3011 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
3013 (internal_file_lock): New helper type for accessing __file_clock.
3014 (do_copy_file): Use internal_file_lock to convert system time to
3016 (last_write_time(const path&, error_code&)): Likewise.
3017 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
3019 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
3021 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
3022 for const member functions of std::basic_string.
3023 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
3025 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
3026 Make non-standard constructor private.
3027 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
3029 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
3030 explicit instantiations for C++17 as well as earlier dialects.
3031 * src/c++17/Makefile.am: Add new source files.
3032 * src/c++17/Makefile.in: Regenerate.
3033 * src/c++17/cow-string-inst.cc: New file defining explicit
3034 instantiations for basic_string member functions added in C++17.
3035 * src/c++17/string-inst.cc: Likewise.
3037 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
3038 copy/move constructors for old std::basic_string.
3039 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3040 (basic_string::reference, basic_string::const_reference): Define
3041 as plain references for C++11 and later.
3042 (basic_string::basic_string()): Put constructor body outside
3043 preprocessor conditional groups.
3044 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
3045 instead of copying it.
3046 (basic_string::basic_string(const basic_string&, const _Alloc&)):
3048 (basic_string::basic_string(basic_string&&, const _Alloc&)):
3050 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
3051 cases for old basic_string.
3052 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
3053 allocator-extended constructors unconditionally. Add extra members to
3054 allocator type when using old string ABI.
3055 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
3057 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
3059 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
3060 -fno-inline added to test flags.
3062 * testsuite/21_strings/basic_string/requirements/
3063 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
3065 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
3066 assertion failures with old std::string ABI.
3068 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
3070 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
3071 functions that will only erase elements at the end.
3072 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
3073 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
3074 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
3076 (path::_List::pop_back()): Define.
3077 (path::_List::_M_erase_from(const_iterator)): Define.
3078 (path::operator/=(const path&)): Use pop_back to remove last component
3079 and _M_erase_from to remove multiple components.
3080 (path::_M_append(basic_string_view<value_type>)): Likewise.
3081 (path::operator+=(const path&)): Likewise.
3082 (path::_M_concat(basic_string_view<value_type>)): Likewise.
3083 (path::remove_filename()): Likewise.
3084 (path::lexically_normal()): Use _List::_Impl iterators instead of
3085 path::iterator. Use pop_back to remove components from the end. Clear
3086 trailing filename, instead of using erase(const_iterator) to remove
3087 a non-final component.
3088 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
3090 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
3092 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
3093 incorrect treatment of empty filename after trailing slash.
3094 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
3096 * testsuite/21_strings/basic_string/modifiers/assign/char/
3097 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
3099 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
3100 move_assign_optim.cc: Likewise.
3102 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
3103 Jakub Jelinek <jakub@redhat.com>
3106 * include/experimental/memory: Replace UTF-8 quote characters.
3107 * include/std/future: Replace UTF-8 "em dash" characters.
3109 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
3112 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
3113 * include/debug/forward_list: Likewise.
3114 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
3116 * include/experimental/chrono: Likewise.
3117 * include/experimental/functional: Likewise.
3118 * include/experimental/ratio: Likewise.
3119 * include/experimental/system_error: Likewise.
3120 * include/experimental/tuple: Likewise.
3121 * include/experimental/type_traits: Likewise.
3122 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
3123 * include/parallel/multiseq_selection.h: Likewise.
3126 * config/abi/pre/gnu.ver: Add missing exports.
3127 * testsuite/22_locale/collate_byname/88681.cc: New test.
3128 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
3129 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
3131 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
3133 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
3134 initializer_list<value_type> and from input iterator ranges.
3135 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
3137 * testsuite/experimental/string_view/element_access/char/empty.cc:
3138 Fix year range in copyright header.
3140 2019-01-02 Joel Brobecker <brobecker@adacore.com>
3142 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
3143 Fix year range in copyright header.
3145 2019-01-01 Jakub Jelinek <jakub@redhat.com>
3147 Update copyright years.
3149 Copyright (C) 2019 Free Software Foundation, Inc.
3151 Copying and distribution of this file, with or without modification,
3152 are permitted in any medium without royalty provided the copyright
3153 notice and this notice are preserved.