1 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
3 Remove Profile Mode, deprecated since 7.1.0
4 * doc/Makefile.am: Remove XML file for profile mode docs.
5 * doc/Makefile.in: Regenerate.
6 * doc/xml/authors.xml: Remove authors of profile mode docs.
7 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
9 * doc/xml/manual/debug.xml: Likewise.
10 * doc/xml/manual/evolution.xml: Document removal of profile mode.
11 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
12 * doc/xml/manual/spine.xml: Remove profile mode author credit.
13 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
15 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
17 * doc/html/*: Regenerate.
18 * include/Makefile.am: Remove profile mode headers.
19 * include/Makefile.in: Regenerate.
20 * include/bits/c++config (std::__profile): Remove namespace.
21 [_GLIBCXX_PROFILE]: Remove checks for macro.
22 * include/profile/array: Remove.
23 * include/profile/base.h: Remove.
24 * include/profile/bitset: Remove.
25 * include/profile/deque: Remove.
26 * include/profile/forward_list: Remove.
27 * include/profile/impl/profiler.h: Remove.
28 * include/profile/impl/profiler_algos.h: Remove.
29 * include/profile/impl/profiler_container_size.h: Remove.
30 * include/profile/impl/profiler_hash_func.h: Remove.
31 * include/profile/impl/profiler_hashtable_size.h: Remove.
32 * include/profile/impl/profiler_list_to_slist.h: Remove.
33 * include/profile/impl/profiler_list_to_vector.h: Remove.
34 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
35 * include/profile/impl/profiler_node.h: Remove.
36 * include/profile/impl/profiler_state.h: Remove.
37 * include/profile/impl/profiler_trace.h: Remove.
38 * include/profile/impl/profiler_vector_size.h: Remove.
39 * include/profile/impl/profiler_vector_to_list.h: Remove.
40 * include/profile/iterator_tracker.h: Remove.
41 * include/profile/list: Remove.
42 * include/profile/map: Remove.
43 * include/profile/map.h: Remove.
44 * include/profile/multimap.h: Remove.
45 * include/profile/multiset.h: Remove.
46 * include/profile/ordered_base.h: Remove.
47 * include/profile/set: Remove.
48 * include/profile/set.h: Remove.
49 * include/profile/unordered_base.h: Remove.
50 * include/profile/unordered_map: Remove.
51 * include/profile/unordered_set: Remove.
52 * include/profile/vector: Remove.
53 * scripts/run_doxygen: Do not process profile mode headers.
54 * testsuite/23_containers/array/element_access/60497.cc: Don't use
56 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
57 Remove dg-skip-if for profile mode.
58 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
59 preprocessor check for profile mode.
60 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
61 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
63 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
65 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
66 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
67 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
68 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
69 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
71 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
73 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
75 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
77 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
78 preprocessor check for profile mode.
79 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
81 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
82 Remove dg-skip-if for profile mode.
83 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
84 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
85 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
86 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
87 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
88 * testsuite/Makefile.am: Remove profile_flags variable and
89 * testsuite/Makefile.am: Remove profile_flags variable and
91 * testsuite/Makefile.in: Regenerate.
92 * testsuite/ext/profile/all.cc: Remove.
93 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
94 * testsuite/ext/profile/profiler_algos.cc: Remove.
95 * testsuite/ext/profile/replace_new.cc: Remove.
96 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
97 preprocessor check for profile mode.
98 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
99 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
100 (check_v3_target_normal_mode): Do not check for profile mode macro.
101 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
103 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
104 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
105 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
106 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
107 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
108 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
109 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
110 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
111 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
112 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
114 Remove array_allocator extension, deprecated since 4.9.0
115 * doc/xml/manual/allocator.xml: Remove documentation for
117 * doc/xml/manual/evolution.xml: Document array_allocator removal.
118 * doc/xml/manual/using.xml: Remove header from documentation.
119 * include/Makefile.am: Remove <ext/array_allocator.h> header.
120 * include/Makefile.in: Regenerate.
121 * include/ext/array_allocator.h: Remove.
122 * include/precompiled/extc++.h: Do not include removed header.
123 * testsuite/ext/array_allocator/1.cc: Remove.
124 * testsuite/ext/array_allocator/2.cc: Remove.
125 * testsuite/ext/array_allocator/26875.cc: Remove.
126 * testsuite/ext/array_allocator/3.cc: Remove.
127 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
128 * testsuite/ext/array_allocator/check_delete.cc: Remove.
129 * testsuite/ext/array_allocator/check_new.cc: Remove.
130 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
131 * testsuite/ext/headers.cc: Do not include removed header.
133 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
135 * include/bits/stl_bvector.h
136 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
138 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
140 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
142 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
144 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
146 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
148 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
150 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
152 (_Bit_iterator::operator-(difference_type)): Likewise.
153 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
154 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
156 (_Bit_const_iterator::operator-(difference_type)): Likewise.
157 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
159 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
162 * testsuite/util/thread/all.h: Do not use remove_pointer for
163 std::thread::native_handle_type.
166 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
167 (_Variant_storage<true, Types...>::_M_reset()))
168 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
169 (__get_storage): Likewise.
170 (variant): Add noexcept to friend declarations for __get and
174 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
175 Use _Require for constraints.
176 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
178 (__uniq_ptr_hash): New base class with conditionally-disabled call
180 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
181 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
182 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
184 * include/bits/shared_ptr.h: Improve docs.
185 * include/bits/shared_ptr_base.h: Likewise.
186 * include/bits/stl_uninitialized.h: Likewise.
187 * include/bits/unique_ptr.h: Likewise.
188 * libsupc++/new: Likewise.
190 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
192 * include/bits/stl_deque.h
193 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
195 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
197 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
199 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
201 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
203 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
205 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
207 (_Deque_iterator<>::operator-(difference_type)): Likewise.
209 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
212 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
213 (test01): Reserve for number of insertions to avoid rehash during test.
214 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
216 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
221 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
223 * include/experimental/bits/fs_path.h: Improve docs.
224 * include/experimental/bits/net.h: Fix wrong header name in comment.
225 Do not document implementation details.
226 * include/experimental/netfwd: Fix doxygen grouping.
228 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
230 * include/bits/stl_pair.h: Improve docs.
231 * include/std/tuple: Likewise.
233 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
235 * include/std/chrono: Improve docs.
236 * include/std/ratio: Do not document implementation details.
237 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
239 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
242 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
243 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
244 (__duration_common_type): New helper.
245 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
246 __duration_common_type.
247 (__timepoint_common_type_wrapper): Replace with ...
248 (__timepoint_common_type): New helper.
249 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
250 Use __time_point_common_type.
251 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
252 (__common_type_impl): If either argument is transformed by decay,
253 use the common_type of the decayed types.
254 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
255 decayed, use __do_common_type_impl to get the common_type.
256 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
257 (__do_member_type_wrapper, __member_type_wrapper)
258 (__expanded_common_type_wrapper): Remove.
259 (__common_type_pack, __common_type_fold): New helpers.
260 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
261 __member_type_wrapper and __expanded_common_type_wrapper.
262 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
263 Test zero-length template argument list.
264 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
265 Test single argument cases and argument types that should decay.
266 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
267 Adjust expected error.
268 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
270 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
271 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
272 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
274 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
276 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
278 Make allocator propagation more consistent for
279 operator+(basic_string) (P1165R1)
280 * include/bits/basic_string.h
281 (operator+(basic_string&&, basic_string&&): Changed resulting
282 allocator to always be the one from the first parameter.
283 * include/bits/basic_string.tcc
284 (operator+(const _CharT*, const basic_string&)): Changed
285 resulting allocator to be SOCCC on the second parameter's allocator.
286 (operator+(_CharT, const basic_string&)): Likewise.
287 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
289 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
292 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
294 * include/bits/regex.h: Improve docs.
295 * include/bits/regex.tcc: Do not document implementation details.
297 * testsuite/19_diagnostics/error_code/hash.cc: New test.
299 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
301 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
302 Add type printer for container types in std::__debug namespace.
303 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
304 (gdb-tests): Use distinct parameters for the type of test and use of
306 (gdb-test): Check for regex test even if 'whatis' test.
307 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
309 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
310 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
311 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
312 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
313 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
314 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
315 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
317 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
319 * include/std/system_error (error_category): Fix comment.
322 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
323 argument is an empty path.
324 (absolute(const path&, error_code&)): Use invalid_argument as error
325 code instead of no_such_file_or_directory.
326 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
327 of non-existent paths and empty paths with both overloads of absolute.
329 * include/std/system_error (error_category, error_code)
330 (error_condition): Improve docs.
331 * libsupc++/exception: Add missing @addtogroup Doxygen command.
332 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
333 to class documentation. Suppress documentation for implementation
335 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
336 Suppress documentation for implementation details.
338 * include/std/system_error (error_code): Remove friend declaration
339 for hash<error_code>.
340 (hash<error_code>::operator()): Use public member functions to access
342 (hash<error_condition>::operator()): Use address of category, not
343 its object representation.
344 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
345 Use public member functions to access value and category.
346 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
348 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
350 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
351 * include/bits/hashtable_policy.h
352 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
353 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
354 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
355 smaller than input value rather than always greater. Preserve
356 _M_next_resize if called with 0 input. Use __builtin_floorl.
357 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
358 elements + number of insertions is greater than _M_next_resize. Start
359 with 11 buckets if not told otherwise. Use __builtin_floorl.
360 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
361 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
362 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
363 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
364 told otherwise. Use __builtin_floorl.
365 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
366 to also validate _Power2_rehash_policy.
367 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
370 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
373 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
377 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
378 overflow warning with -Wpedantic -Wsystem-headers.
380 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
383 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
384 * include/bits/move.h (swap): Remove extra parentheses.
386 * include/experimental/bits/lfts_config.h: Improve doc markup.
387 * include/experimental/optional: Improve docs.
388 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
389 (__constexpr_addressof): Remove.
390 (optional::operator->()): Use std::__addressof().
391 * include/std/optional (optional::operator->()): Adjust whitespace.
392 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
393 that operator-> is still constexpr with overloaded operator&. Change
394 to compile-only test.
395 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
398 * include/bits/shared_ptr.h: Improve docs.
399 * include/bits/shared_ptr_atomic.h: Likewise.
400 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
402 * include/bits/basic_string.h: Fix iterator/index confusion in
404 * include/bits/range_access.h: Fix Doxygen warnings.
405 * include/bits/refwrap.h: Do not document implementation details.
406 (ref, cref): Group docs with reference_wrapper.
407 * include/std/fstream: Fix Doxygen markup.
408 * libsupc++/initializer_list (begin, end): Group docs with
411 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
413 * include/bits/unique_lock.h: Fix/improve doxygen markup.
414 * include/std/mutex: Likewise.
415 * include/std/shared_mutex: Likewise.
417 * include/bits/fs_dir.h: Fix/improve doxygen markup.
418 * include/bits/fs_fwd.h: Likewise.
419 * include/bits/fs_ops.h: Likewise.
420 * include/bits/fs_path.h: Likewise.
421 * include/std/filesystem: Likewise.
423 * include/experimental/bits/net.h: Fix/improve doxygen markup.
424 * include/experimental/buffer: Likewise.
425 * include/experimental/executor: Likewise.
426 * include/experimental/internet: Likewise.
427 * include/experimental/io_context: Likewise.
428 * include/experimental/net: Likewise.
429 * include/experimental/netfwd: Likewise.
430 * include/experimental/socket: Likewise.
431 * include/experimental/timer: Likewise.
433 * doc/doxygen/doxygroups.cc: Move description of experimental group
435 * include/experimental/algorithm: Add to libfund-ts doc group.
436 * include/experimental/any: Likewise. Do not document implementation
438 * include/experimental/array: Add to libfund-ts doc group.
439 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
440 for Library Fundamentals.
441 * include/experimental/chrono: Add to libfund-ts doc group.
442 * include/experimental/deque: Likewise.
443 * include/experimental/forward_list: Likewise.
444 * include/experimental/functional: Likewise.
445 * include/experimental/iterator: Likewise.
446 * include/experimental/list: Likewise.
447 * include/experimental/map: Likewise.
448 * include/experimental/memory: Likewise.
449 * include/experimental/memory_resource: Likewise. Improve docs.
451 * include/experimental/numeric: Add to libfund-ts doc group.
452 * include/experimental/optional: Likewise.
453 * include/experimental/propagate_const: Likewise.
454 * include/experimental/random: Likewise.
455 * include/experimental/ratio: Likewise.
456 * include/experimental/regex: Likewise.
457 * include/experimental/set: Likewise.
458 * include/experimental/source_location: Likewise.
459 * include/experimental/string: Likewise.
460 * include/experimental/string_view: Likewise.
461 * include/experimental/system_error: Likewise.
462 * include/experimental/tuple: Likewise.
463 * include/experimental/type_traits: Likewise.
464 * include/experimental/unordered_map: Likewise.
465 * include/experimental/unordered_set: Likewise.
466 * include/experimental/utility: Likewise.
467 * include/experimental/vector: Likewise.
468 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
469 * testsuite/experimental/array/neg.cc: Adjust dg-error.
470 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
472 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
473 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
474 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
475 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
476 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
478 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
479 * include/experimental/bits/fs_fwd.h: Improve docs.
480 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
481 * include/experimental/bits/fs_path.h: Likewise.
482 (path, filesystem_error, u8path): Improve docs.
483 * include/experimental/filesystem: Link to docs for TS.
485 * config/allocator/new_allocator_base.h (__allocator_base): Add
486 workaround for Doxygen bug #6945.
487 * include/std/memory: Improve docs. Define group for pointer safety.
488 * include/std/scoped_allocator: Improve docs. Use "undocumented"
489 conditional to suppress documentation for implementation details.
491 * include/bits/specfun.h: Improve docs.
492 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
495 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
496 (std::experimental): Add docs.
497 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
498 namespace to nothing when generating docs.
499 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
500 * include/std/chrono (std::chrono): Likewise.
501 * include/std/functional (std::placeholders): Likewise.
502 * include/std/thread (std::this_thread): Likewise.
504 * include/parallel/settings.h: Fix Doxygen markup.
506 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
507 anything unless PB_DS_CLASS_C_DEC is defined.
508 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
509 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
510 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
511 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
512 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
513 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
514 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
516 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
517 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
518 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
519 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
520 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
521 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
522 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
523 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
524 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
525 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
526 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
528 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
529 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
531 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
534 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
535 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
536 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
539 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
541 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
542 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
543 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
544 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
545 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
546 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
548 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
549 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
552 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
555 * include/std/complex (__complex_proj): Return parameter unchanged.
556 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
557 floating-point types to take std::complex arguments.
558 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
559 floating-point types.
560 * testsuite/26_numerics/complex/proj.cc: New test.
562 2019-04-30 Jakub Jelinek <jakub@redhat.com>
564 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
565 to _Lock_policyE[012].
566 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
568 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
570 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
571 macros accidentally left in.
572 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
573 unnecessary -lstdc++fs option. Fix test for mingw.
574 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
577 2019-04-30 Jakub Jelinek <jakub@redhat.com>
579 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
581 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
583 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
585 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
586 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
589 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
591 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
594 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
595 class template and partial specialization.
598 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
600 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
601 functions to convert a value to an integral type.
602 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
603 (fill_n): Convert _Size parameter to an integral type.
604 * testsuite/25_algorithms/fill_n/87982.cc: New test.
605 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
606 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
607 * testsuite/25_algorithms/generate_n/87982.cc: New test.
608 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
609 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
611 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
613 Adding noexcept-specification on tuple constructors (LWG 2899)
614 * libstdc++-v3/include/std/tuple:
615 (tuple()): Add noexcept-specification.
616 (tuple(const _Elements&...)): Likewise
617 (tuple(_UElements&&...)): Likewise
618 (tuple(const tuple<_UElements...>&)): Likewise
619 (tuple(tuple<_UElements...>&&)): Likewise
620 (tuple(const _T1&, const _T2&)): Likewise
621 (tuple(_U1&&, _U2&&)): Likewise
622 (tuple(const tuple<_U1, _U2>&): Likewise
623 (tuple(tuple<_U1, _U2>&&): Likewise
624 (tuple(const pair<_U1, _U2>&): Likewise
625 (tuple(pair<_U1, _U2>&&): Likewise
626 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
628 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
631 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
632 arguments with __restrict.
634 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
636 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
638 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
640 * include/experimental/bits/fs_path.h
641 (path::_S_convert_loc<_InputIterator>): Create const std::string to
642 avoid redundant call to _S_convert_loc with non-const pointers.
644 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
645 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
646 * testsuite/21_strings/basic_string/hash/hash.cc
647 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
648 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
649 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
651 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
652 wstring::_M_replace_dispatch with more specific patterns.
653 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
654 Create const std::string to avoid redundant call to _S_convert_loc
655 with non-const pointers.
656 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
657 avoid unnecessary basic_string::assign instantiations.
659 * include/std/memory (__uses_alloc_args): Add string-literal to
660 static_assert, to match the one in __uses_alloc.
661 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
662 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
663 for recursive uses-allocator construction of nested pairs.
664 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
667 2019-04-26 Jakub Jelinek <jakub@redhat.com>
669 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
670 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
671 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
672 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
674 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
675 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
676 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
677 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
678 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
679 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
680 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
682 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
685 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
686 * include/std/scoped_allocator [__cplusplus > 201703L]
687 (scoped_allocator_adaptor::construct): Define in terms of
688 uses_allocator_construction_args, as per P0591R4.
689 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
690 * testsuite/util/testsuite_allocator.h: Remove name of unused
693 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
695 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
696 * doc/html/*: Regenerate.
698 * include/bits/fs_path.h (operator<, operator<=, operator>)
699 (operator>=, operator==, operator!=): Make hidden friends, as per
701 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
703 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
705 * include/std/any (any::any(ValueType&&)): Use __and_v.
706 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
709 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
711 * include/std/type_traits (__result_of_memfun): Use remove_reference
712 instead of __remove_cvref_t and remove redundant is_same check.
713 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
715 * include/experimental/string_view (basic_string_view::pointer)
716 (basic_string_view::reference): Fix to refer to non-const value_type.
717 * include/bits/basic_string.h (basic_string): Use __sv_check and
718 __sv_limit instead of basic_string_view::_M_check and
719 basic_string_view::_M_limit.
720 * include/std/string_view (__sv_check, __sv_limit): New
721 helper functions to replace basic_string_view::_M_check and
722 basic_string_view::_M_limit.
723 (basic_string_view): Add static assertions to enforce ill-formed
724 requirement for traits_type::char_type from P1148R0, and to enforce
725 required properties of char-like types.
726 (basic_string_view::pointer, basic_string_view::reference): Fix to
727 refer to non-const value_type.
728 (basic_string_view::operator[], basic_string_view::at)
729 (basic_string_view::front, basic_string_view::back)
730 (basic_string_view::data): Use const_reference and const_pointer
731 typedefs for return types.
732 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
733 (hash<wstring_view>): Fix argument_type typedef.
734 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
735 char/1.cc: Fix expected return type of basic_string_view::data().
736 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
737 wchar_t/1.cc: Likewise.
738 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
740 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
741 wchar_t/1.cc: Likewise.
742 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
744 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
745 Check reference and pointer typedefs.
746 * testsuite/experimental/string_view/requirements/typedefs.cc:
748 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
749 Fix expected return type of basic_string_view::data().
750 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
752 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
754 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
758 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
759 Avoid a runtime check for types that can never be stored in std::any.
760 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
763 PR libstdc++/90220 (partial)
764 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
765 not attempt ill-formed static_cast to pointers to non-object types.
766 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
769 * testsuite/20_util/variant/run.cc: Catch exception by reference to
770 prevent -Wcatch-value warning.
772 * include/std/variant (__variant_construct): Use template parameter
773 type instead of equivalent decltype-specifier.
774 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
775 Replace forward with move.
776 (_Move_ctor_base<false, Types...>::_M_destructive_move)
777 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
778 (_Move_ctor_base<true, Types...>::_M_destructive_move)
779 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
780 index after construction succeeds.
781 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
782 if-constexpr checks that are always true. Use __remove_cvref_t instead
783 of remove_reference so that is_nothrow_move_constructible check
784 doesn't use a const rvalue parameter. In the potentially-throwing case
785 construct a temporary and move assign it, as per LWG 2904.
786 (_Move_assign_base<false, Types...>::operator=): Remove redundant
787 if-constexpr checks that are always true. Use emplace as per LWG 2904.
788 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
789 construct a temporary and move assign from it, as per LWG 2904.
790 * testsuite/20_util/variant/exception_safety.cc: Check that
791 assignment operators have strong exception safety guarantee.
793 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
795 Document PSTL linker flags
797 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
799 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
801 * include/std/variant (__detail::__variant::_Traits): Make
802 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
803 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
805 (__detail::__variant::_Copy_assign_alias): Only depend on
806 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
807 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
808 move assignment operators.
811 * include/std/variant (variant::__not_self): New helper for the
812 is_same_v<remove_cvref_t<T>, variant>==false constraints.
813 (variant::__to_type_impl): Remove.
814 (variant::__to_type): Add default argument to check pack size, instead
815 of using __to_type_impl.
816 (variant::__accepted_type): Add default argument using __not_self.
817 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
818 for variant(T&&) constructor constraint.
819 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
820 Extract __accepted_type into a named template parameter for reuse in
821 other constraints and in the exception specification.
822 (variant::variant(in_place_type_t<T>, Args&&...))
823 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
824 (variant::variant(in_place_index_t<T>, Args&&...))
825 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
826 (variant::operator=T&&)): Remove redundant && from trait arguments.
827 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
828 isn't used for in_place_type or in_place_index arguments.
830 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
831 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
832 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
834 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
835 Bernd Edlinger <bernd.edlinger@hotmail.de>
836 Jakub Jelinek <jakub@redhat.com>
839 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
840 general-regs-only target attribute for ARM.
842 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
845 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
846 specialization also depend on is_nothrow_move_constructible.
847 * include/std/variant (__detail::__variant::__never_valueless()):
848 Only true if the variant would have a move assignment operator.
849 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
850 Check __never_valueless<T...>().
851 (variant::emplace): Only perform non-throwing move assignments
852 for never-valueless alternatives if the variant has a move assignment
854 * testsuite/20_util/variant/compile.cc: Check that never-valueless
855 types can be emplaced into non-assignable variants.
856 * testsuite/20_util/variant/run.cc: Check that never-valueless types
857 don't get copied when emplaced into non-assignable variants.
859 * include/std/variant (__detail::__variant::__ref_cast): Remove
861 (__detail::__variant::_Uninitialized::_M_get)
862 (__detail::__variant::__get)
863 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
865 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
867 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
869 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
870 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
871 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
872 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
874 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
876 Delegate PSTL configuration to pstl/pstl_config.h
878 * include/bits/c++config: Remove explicit PSTL configuration
879 macros and use definitions from <pstl/pstl_config.h>.
881 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
883 Cleanup algorithm implementations
884 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
886 (mismatch): Forward execution policy.
887 (equal): Qualify call to std::equal().
888 (partial_sort): Forward execution policy.
889 (inplace_merge): Forward execution policy.
891 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
893 Improve implementation of parallel equal()
894 * include/pstl/algorithm_impl.h
895 (__internal::__brick_equal): use "4 iterator" version of
897 (__internal::__brick_equal): use simd for random access
898 iterators on unsequenced execution policies.
899 (__internal::__pattern_equal): add "4 iterator" version
900 (__internal::__pattern_equal): dispatch to simd __brick_equal
901 for vector-only execution policies.
902 (__internal::__pattern_equal): dispatch to __parallel_or for
903 parallel execution policies.
904 * include/pstl/glue_algorithm_impl.h
905 (std::equal): dispatch to "4 iterator" version of
906 __internal::__pattern_equal().
908 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
911 * include/bits/forward_list.h (operator==): Do not use operator!= to
913 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
914 earlier in the list, so that sort is stable.
915 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
916 * testsuite/23_containers/forward_list/comparable.cc: Test with
917 types that meet the minimum EqualityComparable and LessThanComparable
918 requirements. Remove irrelevant comment.
920 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
921 Do not depend on whether all alternative types are move constructible.
922 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
923 from the operand when deciding whether to perform the assignment.
924 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
925 with deleted move constructor and deleted move assignment operator.
926 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
927 behaviour of variants with DeletedMoves as an alternative.
928 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
929 (move_ctor, move_assign): Check that moving a variant with a
930 DeletedMoves alternative falls back to copying instead of moving.
932 * testsuite/20_util/variant/compile.cc: Remove empty string literals
933 from static_assert declarations.
935 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
936 actually match its name.
937 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
938 (test_swap()): Fix result for MoveCtorOnly and check
941 * include/std/optional (optional::value_or(U&&) &&): Add missing
943 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
944 for disengaged optionals and rvalue optionals.
945 * testsuite/20_util/optional/observers/4.cc: Likewise.
947 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
949 * include/pstl/algorithm_impl.h: Uglify identfiers.
950 * include/pstl/numeric_impl.h: Uglify identfiers.
951 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
953 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
955 * include/bits/c++config:
956 Add definition for __PSTL_ASSERT.
957 Add definition for __PSTL_ASSERT_MSG.
958 * include/pstl/algorithm_impl.h: Replace use of assert().
959 * include/pstl/numeric_impl.h: Replace use of assert().
960 * include/pstl/parallel_backend_tbb.h:
961 Replace use of assert().
962 Replace use of __TBB_ASSERT().
963 * include/pstl/parallel_backend_utils.h: Replace use of assert().
965 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
968 * src/c++17/memory_resource.cc
969 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
970 needed to allow placing a _Chunk at the end of the buffer.
971 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
973 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
975 * doc/xml/faq.xml: Add information about emergency EH pool.
976 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
977 Move outdated information on mt_allocator to a separate section.
978 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
979 doesn't affect the default allocator.
981 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
985 * testsuite/20_util/variant/89851.cc: New test.
987 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
989 * include/std/variant: Adjust whitespace. Add comments.
990 (_Multi_array): Leave primary template undefined.
991 (_Multi_array<_Tp>): Define partial specialization for base case of
993 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
994 which is always a reference.
995 (__gen_vtable::_S_apply()): Remove function, inline body into
996 default member initializer.
997 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
999 * include/std/variant (__variant_idx_cookie): Add member type.
1000 (__visitor_result_type): Remove.
1001 (__do_visit): Use invoke_result instead of __visitor_result_type.
1002 * testsuite/20_util/variant/visit.cc: New test.
1005 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
1007 * testsuite/20_util/variant/90008.cc: New test.
1009 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
1011 * include/pstl/algorithm_impl.h: Add namespace qualification.
1012 * include/pstl/execution_defs.h: Add namespace qualification.
1013 * include/pstl/execution_impl.h: Add namespace qualification.
1014 * include/pstl/numeric_impl.h: Add namespace qualification.
1015 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
1016 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
1017 * include/pstl/parallel_backend_utils.h: Include <cassert>.
1019 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
1021 Fix visit<R> for variant.
1022 * include/std/variant (__do_visit): Add a template parameter
1023 for enforcing same return types for visit.
1024 (__gen_vtable_impl): Likewise.
1025 (_S_apply_single_alt): Adjust.
1026 (__visit_invoke_impl): New. Handle casting to void.
1027 (__do_visit_invoke): New. Enforces same return types.
1028 (__do_visit_invoke_r): New. Converts return types.
1029 (__visit_invoke): Adjust.
1030 (__gen_vtable): Add a template parameter for enforcing
1031 same return types for visit.
1032 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
1033 different return types.
1034 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
1035 visitors with different return types don't accidentally
1036 compile with regular visitation.
1038 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
1040 * testsuite/27_io/filesystem/iterators/caching.cc: Add
1041 dg-require-filesystem-ts.
1043 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
1045 * doc/xml/manual/status_cxx2020.xml: Update status.
1046 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
1047 * testsuite/20_util/variant/visit_r.cc: New test.
1049 * include/bits/fs_dir.h (directory_iterator::operator*)
1050 (directory_iterator::operator->): Add noexcept.
1051 (operator==, operator!=): Replace namespace-scope equality operators
1052 for directory iterators with hidden friends.
1055 * config/abi/pre/gnu.ver: Add missing exports.
1056 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
1059 * config/abi/pre/gnu.ver: Export new symbols.
1060 * include/bits/fs_dir.h (recursive_directory_iterator::options())
1061 (recursive_directory_iterator::recursion_pending())
1062 (recursive_directory_iterator::disable_recursion_pending()): Remove
1063 inline definitions. Make noexcept.
1064 (recursive_directory_iterator::depth())
1065 (recursive_directory_iterator::operator*())
1066 (recursive_directory_iterator::operator->()): Make noexcept.
1067 (recursive_directory_iterator::_M_options)
1068 (recursive_directory_iterator::_M_pending): Remove data members.
1069 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
1070 (recursive_directory_iterator::recursive_directory_iterator): Remove
1071 ctor-initializer. Use new constructor for _Dir_stack.
1072 (recursive_directory_iterator::options())
1073 (recursive_directory_iterator::recursion_pending())
1074 (recursive_directory_iterator::disable_recursion_pending()): Add
1075 non-inline definitions.
1076 (recursive_directory_iterator::depth()): Make noexcept.
1077 (recursive_directory_iterator::increment(error_code&))
1078 (recursive_directory_iterator::pop(error_code&)): Adjust to new
1079 location of options and recursion_pending members.
1080 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
1081 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
1082 user-declared move constructor and assignment operator, to make the
1085 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
1086 d_type == DT_UNKNOWN immediately.
1087 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
1089 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
1091 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
1093 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
1094 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
1097 PR libstdc++/87431 (again)
1098 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
1099 Define partial specialization for basic_string.
1100 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
1101 shared_ptr and weak_ptr.
1102 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
1104 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
1106 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
1108 * include/debug/vector (_Never_valueless_alt): Likewise for debug
1110 * include/std/any (_Never_valueless_alt): Define explicit
1111 specialization for any.
1112 * include/std/variant (_Never_valueless_alt): Define primary template.
1113 (__never_valueless): Use _Never_valueless_alt instead of
1114 is_trivially_copyable.
1115 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
1116 initializations to avoid try-catch overhead. Add special case for
1117 scalars produced by potentially-throwing conversions. Use
1118 _Never_valueless_alt instead of is_trivially_copyable for the
1119 remaining strong exception-safety cases.
1120 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
1121 * testsuite/20_util/variant/87431.cc: Run both test functions.
1122 * testsuite/20_util/variant/exception_safety.cc: New test.
1123 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
1124 so the variant becomes valueless.
1126 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
1129 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
1131 (variant::emplace<_Tp>): Return result of emplace<N> directly.
1133 * include/std/string (__hash_string_base): New class template defining
1134 operator() for hashing strings.
1135 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
1136 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
1137 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
1138 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
1140 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
1142 Use single-visitation in variant assignment and swap and relops.
1143 Also use indices instead of types when checking whether
1144 variants hold the same thing.
1145 * include/std/variant (__do_visit): Add a template parameter
1146 for index visitation, invoke with indices if index visitation
1148 (__variant_idx_cookie): New.
1149 (__visit_with_index): Likewise.
1150 (_Copy_assign_base::operator=): Do single-visitation with
1152 (_Move_assign_base::operator=): Likewise.
1153 (_Extra_visit_slot_needed): Adjust.
1154 (__visit_invoke): Call with indices if it's an index visitor.
1155 (relops): Do single-visitation with an index visitor.
1157 (__visitor_result_type): New.
1159 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
1161 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
1163 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
1165 Don't revisit a variant we are already visiting.
1166 * include/std/variant (__variant_construct_single): New.
1167 (__variant_construct): Use it.
1168 (_M_destructive_move): Likewise.
1169 (_M_destructive_copy): Likewise.
1170 (_Copy_assign_base::operator=): Adjust.
1171 (_Move_assign_base::operator=): Likewise.
1174 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
1177 * include/bits/hashtable.h (_Hashtable): Move static assertions to
1178 destructor so they are not evaluated until the _Key type is complete.
1179 * include/bits/stl_tree.h (_Rb_tree): Likewise.
1180 * testsuite/23_containers/set/85965.cc: New test.
1181 * testsuite/23_containers/unordered_set/85965.cc: New test.
1182 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
1183 with regexp matching the corresponding _Rb_tree specialization.
1184 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
1185 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
1186 * testsuite/23_containers/set/48101_neg.cc: Likewise.
1187 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
1188 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
1189 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
1190 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
1192 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1195 Fix based on a suggestion by Antony Polukhin.
1196 * include/std/variant (__never_valueless): New.
1198 (_Extra_visit_slot_needed): New.
1199 (_Multi_array): Use it.
1200 (_S_apply_all_alts): Likewise.
1202 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1205 Fix based on a suggestion by Antony Polukhin.
1206 * include/std/variant (__gen_vtable): Don't reserve an
1207 additional table slot, _Multi_array already does that.
1209 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1212 Fix based on a suggestion by Antony Polukhin.
1213 * include/std/variant (__variant_construct): Capture a pointer
1214 to the storage and visit just one variant.
1216 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
1218 * doc/xml/manual/backwards_compatibility.xml: Remove link to
1219 Doxygen-generated pages with unstable URL.
1220 * doc/xml/manual/concurrency_extensions.xml: Likewise.
1221 * doc/xml/manual/extensions.xml: Likewise.
1222 * doc/xml/manual/parallel_mode.xml: Likewise.
1223 * doc/xml/manual/support.xml: Likewise.
1225 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
1226 avoid -Wconversion warnings.
1228 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
1230 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
1231 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
1232 (allstamped): Add stamp-pstl.
1233 (install-headers): Add ptsl_builddir.
1234 * include/Makefile.in: Regenerate.
1235 * include/bits/c++config: Add pstl configuration.
1236 * include/pstl/LICENSE.txt: New file.
1237 * include/pstl/algorithm_fwd.h: New file.
1238 * include/pstl/algorithm_impl.h: New file.
1239 * include/pstl/execution_defs.h: New file.
1240 * include/pstl/execution_impl.h: New file.
1241 * include/pstl/glue_algorithm_defs.h: New file.
1242 * include/pstl/glue_algorithm_impl.h: New file.
1243 * include/pstl/glue_execution_defs.h: New file.
1244 * include/pstl/glue_memory_defs.h: New file.
1245 * include/pstl/glue_memory_impl.h: New file.
1246 * include/pstl/glue_numeric_defs.h: New file.
1247 * include/pstl/glue_numeric_impl.h: New file.
1248 * include/pstl/memory_impl.h: New file.
1249 * include/pstl/numeric_fwd.h: New file.
1250 * include/pstl/numeric_impl.h: New file.
1251 * include/pstl/parallel_backend.h: New file.
1252 * include/pstl/parallel_backend_tbb.h: New file.
1253 * include/pstl/parallel_backend_utils.h: New file.
1254 * include/pstl/parallel_impl.h: New file.
1255 * include/pstl/pstl_config.h: New file.
1256 * include/pstl/unseq_backend_simd.h: New file.
1257 * include/pstl/utils.h: New file.
1258 * include/std/algorithm: Include parallel algorithm implementations.
1259 * include/std/execution: New file.
1260 * include/std/memory: Include parallel algorithm implementations.
1261 * include/std/numeric: Include parallel algorithm implementations.
1262 * include/std/version: Add parallel algorithms feature test macro.
1263 * testsuite/util/pstl/pstl_test_config.h: New file.
1264 * testsuite/util/pstl/test_utils.h: New file.
1265 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1266 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1267 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1268 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1269 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1270 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1271 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1272 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1273 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1274 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1275 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1276 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1277 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1278 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1279 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1280 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1281 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1282 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1283 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1284 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1285 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1286 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1287 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1288 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1289 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1290 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1291 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1292 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1293 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1294 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1295 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1296 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1297 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1298 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1299 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1300 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1301 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1302 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1303 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1304 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1305 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1306 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1307 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1308 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1309 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1310 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1311 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1312 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1313 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1314 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1315 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1316 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1317 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1318 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1319 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1320 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1321 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1322 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1323 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1324 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1325 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1326 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1327 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1328 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1329 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1330 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1331 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1332 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1333 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1334 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1335 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1336 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1337 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1338 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1339 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1340 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1341 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1342 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1343 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1344 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1345 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1346 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1347 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1348 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1349 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1350 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1351 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1352 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1353 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1354 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1355 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1356 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1357 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1358 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1359 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1360 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1361 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1362 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1363 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1364 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1365 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1366 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1367 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1368 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1369 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1370 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1372 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
1374 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
1375 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
1376 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
1377 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
1378 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
1379 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
1380 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
1381 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
1382 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
1383 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
1384 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
1385 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
1386 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
1387 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
1388 when the special functions IS is enabled, not for C++17.
1389 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
1391 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
1392 without checks for special functions in C++17.
1393 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
1397 * include/backward/hash_map: Use <> for includes not "".
1398 * include/backward/hash_set: Likewise.
1399 * include/backward/strstream: Likewise.
1400 * include/tr1/bessel_function.tcc: Likewise.
1401 * include/tr1/exp_integral.tcc: Likewise.
1402 * include/tr1/legendre_function.tcc: Likewise.
1403 * include/tr1/modified_bessel_func.tcc: Likewise.
1404 * include/tr1/riemann_zeta.tcc: Likewise.
1406 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
1408 * doc/xml/manual/allocator.xml: Link to table documenting evolution
1409 of extension allocators.
1410 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
1411 Document new headers in 7.2, 8.1 and 9.1 releases.
1412 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
1413 * doc/html/*: Regenerate.
1415 2019-03-12 John David Anglin <dave.anglin@bell.net>
1418 * testsuite/lib/libstdc++.exp: Locate libatomic.
1419 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
1420 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
1422 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1423 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
1424 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
1425 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
1427 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
1430 * configure.ac: Check for sockatmark.
1431 * crossconfig.m4: Check for sockatmark.
1432 * config.h.in: Regenerate.
1433 * configure: Regenerate.
1434 * include/experimental/internet (address_v4::_S_hton): Rename
1435 overloaded functions to _S_hton_16 and _S_ntoh_16.
1436 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
1437 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
1438 * include/experimental/socket (basic_socket::at_mark): Check
1439 _GLIBCXX_HAVE_SOCKATMARK.
1441 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
1442 const variables instead of macros.
1445 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
1446 Use correct type for len_aligned.
1447 * testsuite/20_util/hash/89629.cc: New test.
1449 2019-03-11 Jakub Jelinek <jakub@redhat.com>
1452 * include/std/atomic (atomic<T>::store, atomic<T>::load,
1453 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
1454 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
1455 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
1456 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
1457 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
1458 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
1459 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
1460 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
1461 memory_order_seq_cst to int.
1463 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
1465 * doc/xml/manual/using.xml: Use link element instead of xref.
1466 * doc/html/*: Regenerate.
1468 * include/bits/fs_path.h (path::format): Add fixed underlying type.
1470 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
1473 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
1474 parameters in deduction guides.
1475 * include/debug/multimap.h (multimap): Likewise.
1476 * include/debug/set.h (multimap): Likewise.
1477 * include/debug/multiset.h (multimap): Likewise.
1478 * include/debug/unordered_map (unordered_map): Likewise.
1479 (unordered_multimap): Likewise.
1480 * include/debug/unordered_set (unordered_set): Likewise.
1481 (unordered_multiset): Likewise.
1484 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
1485 Invalidate all iterators in case of rehash.
1486 (unordered_multimap<>::_M_check_rehashed): Likewise.
1487 * include/debug/unordered_set
1488 (unordered_set<>::_M_check_rehashed): Likewise.
1489 (unordered_multiset<>::_M_check_rehashed): Likewise.
1490 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
1492 2019-03-07 Andreas Schwab <schwab@suse.de>
1494 * config/abi/post/riscv64-linux-gnu: New directory.
1495 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
1497 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
1499 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
1500 compile test to run. Fix typo.
1502 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
1503 * doc/html/*: Regenerate.
1505 P0356R5 Simplified partial function application
1506 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
1507 helpers for bind_front.
1508 (bind_front, __cpp_lib_bind_front): Define.
1509 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
1511 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1513 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
1514 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
1515 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
1516 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1518 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
1520 PR libstdc++/86655 - std::assoc_legendre should not constrain
1521 the value of m (or x).
1522 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
1523 __sph_legendre): If degree > order Don't throw, return 0.
1524 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
1525 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
1526 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
1527 * testsuite/tr1/5_numerical_facilities/special_functions/
1528 02_assoc_legendre/pr86655.cc: New test.
1529 * testsuite/tr1/5_numerical_facilities/special_functions/
1530 22_sph_legendre/pr86655.cc: New test.
1532 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
1535 Also PR libstdc++/85517
1536 * include/std/variant (__do_visit): New.
1537 (__variant_cast): Likewise.
1538 (__variant_cookie): Likewise.
1539 (__erased_*): Remove.
1540 (_Variant_storage::_S_vtable): Likewise.
1541 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
1542 (_Variant_storage::__M_reset): Adjust.
1543 (__variant_construct): New.
1544 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
1545 __variant_construct.
1546 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
1547 (_Move_ctor_base::__M_destructive_copy): New.
1548 (_Move_ctor_base::__M_destructive_move): Adjust to use
1549 __variant_construct.
1550 (_Copy_assign_base::operator=): Adjust to use __do_visit.
1551 (_Copy_assign_alias): Adjust to check both copy assignment
1552 and copy construction for triviality.
1553 (_Move_assign_base::operator=): Adjust to use __do_visit.
1554 (_Multi_array): Add support for visitors that accept and return
1556 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
1557 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
1558 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
1559 a __variant_cookie temporary for a variant that is valueless and..
1560 (__gen_vtable_impl::__visit_invoke): ..adjust here.
1561 (__gen_vtable::_Array_type): Conditionally make space for
1562 the __variant_cookie visitor case.
1563 (__variant_construct_by_index): New.
1564 (get_if): Adjust to use std::addressof.
1565 (relops): Adjust to use __do_visit.
1566 (variant): Add __variant_cast and __variant_construct_by_index
1568 (variant::emplace): Use _M_reset() and __variant_construct_by_index
1569 instead of self-destruction.
1570 (variant::swap): Adjust to use __do_visit.
1571 (visit): Reimplement in terms of __do_visit.
1572 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
1573 * testsuite/20_util/variant/compile.cc: Adjust.
1574 * testsuite/20_util/variant/run.cc: Likewise.
1576 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1578 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
1580 * testsuite/experimental/feat-char8_t.cc: Likewise.
1582 * include/std/type_traits [C++20] (is_bounded_array)
1583 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
1585 * testsuite/20_util/is_bounded_array/requirements/
1586 explicit_instantiation.cc: New test.
1587 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
1589 * testsuite/20_util/is_bounded_array/value.cc: New test.
1590 * testsuite/20_util/is_unbounded_array/requirements/
1591 explicit_instantiation.cc: New test.
1592 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
1594 * testsuite/20_util/is_unbounded_array/value.cc: New test.
1596 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
1598 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
1600 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
1602 * include/c_compatibility/math.h [C++20] (lerp): Add using
1604 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
1605 (__lerp): Define function template to implement lerp.
1606 (lerp(float, float, float), lerp(double, double, double))
1607 (lerp(long double, long double, long double)): Define for C++20.
1608 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
1609 (midpoint(T, T), midpoint(T*, T*)): Define.
1610 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
1611 * testsuite/26_numerics/lerp.cc: New test.
1612 * testsuite/26_numerics/midpoint/floating.cc: New test.
1613 * testsuite/26_numerics/midpoint/integral.cc: New test.
1614 * testsuite/26_numerics/midpoint/pointer.cc: New test.
1616 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
1618 PR libstdc++/88996 Implement P0439R0
1619 Make std::memory_order a scoped enumeration.
1620 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
1621 add variables for the old enumerators. Adjust calls.
1622 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
1623 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
1625 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
1627 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
1630 * include/std/memory_resource (polymorphic_allocator): Add default
1631 template argument for C++20.
1632 (polymorphic_allocator::allocate_bytes)
1633 (polymorphic_allocator::deallocate_bytes)
1634 (polymorphic_allocator::allocate_object)
1635 (polymorphic_allocator::deallocate_object)
1636 (polymorphic_allocator::new_object)
1637 (polymorphic_allocator::delete_object): New member functions for
1639 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
1642 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
1645 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
1648 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
1650 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
1651 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
1653 * include/std/memory (uses_allocator_construction_args): New set of
1654 overloaded functions.
1655 (make_obj_using_allocator, uninitialized_construct_using_allocator):
1657 * include/std/memory_resource (polymorphic_allocator::construct)
1658 [__cplusplus > 201703l]: Replace all overloads with a single function
1659 using uses_allocator_construction_args.
1660 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
1662 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
1664 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
1667 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
1668 stylesheet directories before check for xsltproc. Try to use
1669 xmlcatalog to find local stylesheet directory before trying hardcoded
1670 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
1671 check to look for the same stylesheet as doc/Makefile.am uses. Don't
1672 use xsltproc if xmlcatalog fails to find a local stylesheet.
1673 * configure.ac: Check for xmlcatalog.
1674 * Makefile.in: Regenerate.
1675 * configure: Likewise.
1676 * doc/Makefile.in: Likewise.
1677 * include/Makefile.in: Likewise.
1678 * libsupc++/Makefile.in: Likewise.
1679 * po/Makefile.in: Likewise.
1680 * python/Makefile.in: Likewise.
1681 * src/Makefile.in: Likewise.
1682 * src/c++11/Makefile.in: Likewise.
1683 * src/c++17/Makefile.in: Likewise.
1684 * src/c++98/Makefile.in: Likewise.
1685 * src/filesystem/Makefile.in: Likewise.
1686 * testsuite/Makefile.in: Likewise.
1688 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
1691 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
1692 container deduction guides.
1693 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
1694 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
1695 parameters in deduction guides.
1696 * include/bits/stl_multimap.h (multimap): Likewise.
1697 * include/bits/stl_multiset.h (multiset): Likewise.
1698 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
1699 * include/bits/stl_set.h (set): Likewise.
1700 * include/bits/stl_stack.h (stack): Likewise.
1701 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
1702 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
1703 constrain parameters in deduction guides.
1704 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
1706 * testsuite/23_containers/map/cons/deduction.cc: Test additional
1708 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
1709 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
1710 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
1711 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
1713 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
1715 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
1718 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
1719 to class template and partial specialization using void_t.
1720 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1722 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
1725 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
1726 copy and move members public.
1728 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
1730 * include/std/type_traits (__underlying_type_impl): New helper to
1731 make underlying_type SFINAE-friendly.
1732 (underlying_type): Derive from __underlying_type_impl.
1733 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
1737 * include/bits/char_traits.h (__constant_char_array): Check index is
1738 in range before dereferencing.
1739 (char_traits<char>::compare, char_traits<char>::find)
1740 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
1741 immediately if n is zero.
1742 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
1743 Remove workarounds for PR 67026.
1744 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
1746 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
1749 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1751 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
1752 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
1754 2019-02-22 Jakub Jelinek <jakub@redhat.com>
1757 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
1758 type to std::size_t and argument to type to long double.
1760 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1762 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
1763 * config/abi/post/sparc64-linux-gnu: New directory.
1764 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
1765 * config/abi/post/sparc64-linux-gnu/32: New directory.
1766 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
1768 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1770 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
1771 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
1774 2019-02-22 Tom Honermann <tom@honermann.net>
1776 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
1777 printers for u8string and u8string_view.
1779 2019-02-22 Tom Honermann <tom@honermann.net>
1781 * testsuite/18_support/byte/ops.cc: Validate
1782 std::to_integer<char8_t>, std::to_integer<char16_t>, and
1783 std::to_integer<char32_t>.
1784 * testsuite/18_support/numeric_limits/dr559.cc: Validate
1785 std::numeric_limits<char8_t>.
1786 * testsuite/18_support/numeric_limits/lowest.cc: Validate
1787 std::numeric_limits<char8_t>::lowest().
1788 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
1789 std::numeric_limits<char8_t>::max_digits10.
1790 * testsuite/18_support/type_info/fundamental.cc: Validate
1791 typeinfo for char8_t.
1792 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
1793 std::from_chars with char8_t.
1794 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
1795 Validate explicit instantiation of std::hash<char8_t>.
1796 * testsuite/20_util/is_integral/value.cc: Validate
1797 std::is_integral<char8_t>.
1798 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
1799 Validate std::make_signed<char8_t>.
1800 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
1801 Validate u8string construction from char8_t sources.
1802 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
1804 * testsuite/21_strings/basic_string_view/operations/compare/
1805 char/70483.cc: Validate substr operations on u8string_view.
1806 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
1807 the u8string_view typedef is defined.
1808 * testsuite/21_strings/char_traits/requirements/
1809 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
1811 * testsuite/21_strings/char_traits/requirements/
1812 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
1813 constexpr member functions.
1814 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
1815 that the u8string typedef is defined.
1816 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
1817 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
1818 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
1819 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
1821 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
1822 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
1824 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
1825 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
1826 Validate std::atomic<char8_t>::is_always_lock_free
1827 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
1828 Update line numbers.
1829 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
1831 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
1833 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1834 Validate std::experimental::pmr::u8string.
1835 * testsuite/experimental/string_view/typedefs.cc: Validate that the
1836 u8string_view typedef is defined.
1837 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
1838 char32_t to the typelists.
1840 2019-02-22 Tom Honermann <tom@honermann.net>
1842 * include/ext/typelist.h: Constrain a partial specialization of
1843 typelist::detail::append_ to only match chain<T1,T2>.
1845 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1848 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
1849 class template with class. Replace move and copy member types with
1850 member alias templates, so they are only instantiated when needed.
1851 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1852 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
1853 test for C++11/14/17 as well.
1854 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
1857 2019-02-20 Jakub Jelinek <jakub@redhat.com>
1860 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
1861 _GLIBCXX_PURE to the alias declaration.
1863 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
1865 * testsuite/21_strings/basic_string/literals/types.cc
1866 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
1867 * testsuite/21_strings/basic_string/literals/values.cc
1868 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1869 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
1870 potentially having different type.
1871 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1872 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
1874 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
1875 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1876 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
1877 string literals only using basic character set.
1878 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
1879 u8 literals to char.
1880 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
1881 Test ATOMIC_CHAR8_T_LOCK_FREE.
1882 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
1883 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
1884 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
1885 * testsuite/experimental/string_view/literals/types.cc
1886 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
1888 * testsuite/experimental/string_view/literals/values.cc
1889 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1891 2019-02-19 Tom Honermann <tom@honermann.net>
1893 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
1894 from char16_32_t.cc; validates numeric_limits<char8_t>.
1895 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
1896 test cloned from types.cc; validates operator""s for char8_t
1898 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
1899 test cloned from values.cc; validates construction and comparison
1901 * testsuite/21_strings/basic_string/requirements/
1902 /explicit_instantiation/char8_t/1.cc: New test cloned from
1903 char16_t/1.cc; validates explicit instantiation of
1904 basic_string<char8_t>.
1905 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
1906 New test cloned from types.cc; validates operator""sv for char8_t
1907 returns u8string_view.
1908 * testsuite/21_strings/basic_string_view/literals/
1909 values-char8_t.cc: New test cloned from values.cc; validates
1910 construction and comparison of u8string_view values.
1911 * testsuite/21_strings/basic_string_view/requirements/
1912 explicit_instantiation/char8_t/1.cc: New test cloned from
1913 char16_t/1.cc; validates explicit instantiation of
1914 basic_string_view<char8_t>.
1915 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
1916 New test cloned from char16_t/65049.cc; validates that
1917 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
1918 * testsuite/21_strings/char_traits/requirements/char8_t/
1919 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
1920 that char_traits<char8_t> member typedefs are present and correct.
1921 * testsuite/21_strings/char_traits/requirements/
1922 explicit_instantiation/char8_t/1.cc: New test cloned from
1923 char16_t/1.cc; validates explicit instantiation of
1924 char_traits<char8_t>.
1925 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
1926 from char16_t.cc: validates
1927 codecvt<char16_t, char8_t, mbstate_t>.
1928 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
1929 from char32_t.cc: validates
1930 codecvt<char32_t, char8_t, mbstate_t>.
1931 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
1932 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
1933 codecvt<char32_t, char8_t, std::mbstate_t>.
1934 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
1935 test cloned from string.cc; validates filesystem::path construction
1937 * testsuite/experimental/feat-char8_t.cc: New test; validates that
1938 the __cpp_lib_char8_t feature test macro is defined with the
1940 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
1941 New test cloned from string.cc; validates filesystem::path
1942 construction from char8_t input.
1943 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
1944 test cloned from types.cc; validates operator""sv for char8_t
1945 returns u8string_view.
1946 * testsuite/experimental/string_view/literals/values-char8_t.cc:
1947 New test cloned from values.cc; validates construction and
1948 comparison of u8string_view values.
1949 * testsuite/experimental/string_view/requirements/
1950 explicit_instantiation/char8_t/1.cc: New test cloned from
1951 char16_t/1.cc; validates explicit instantiation of
1952 basic_string_view<char8_t>.
1953 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
1954 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
1957 2019-02-19 Tom Honermann <tom@honermann.net>
1959 P0482R5 char8_t: Standard library support
1960 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
1961 typeinfo symbols for char8_t.
1962 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
1963 (GLIBCXX_3.4.26): Add symbols for specializations of
1964 numeric_limits and codecvt that involve char8_t.
1965 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
1966 * include/bits/atomic_base.h: Add atomic_char8_t.
1967 * include/bits/basic_string.h: Add std::hash<u8string> and
1968 operator""s(const char8_t*, size_t).
1969 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
1971 * include/bits/char_traits.h: Add char_traits<char8_t>.
1972 * include/bits/codecvt.h: Add
1973 codecvt<char16_t, char8_t, mbstate_t>,
1974 codecvt<char32_t, char8_t, mbstate_t>,
1975 codecvt_byname<char16_t, char8_t, mbstate_t>, and
1976 codecvt_byname<char32_t, char8_t, mbstate_t>.
1977 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
1978 recognize char8_t as an integral type.
1979 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
1981 (path::u8string): Return std::u8string when char8_t support is
1983 (path::generic_u8string): Likewise.
1984 (path::_S_convert): Handle conversion from char8_t input.
1985 (path::_S_str_convert): Likewise.
1986 * include/bits/functional_hash.h: Add hash<char8_t>.
1987 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
1989 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
1990 for new char8_t specializations.
1991 * include/bits/localefwd.h: Add missing declarations of
1992 codecvt<char16_t, char, mbstate_t> and
1993 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
1994 codecvt<char16_t, char8_t, mbstate_t> and
1995 codecvt<char32_t, char8_t, mbstate_t>.
1996 * include/bits/postypes.h: Add u8streampos
1997 * include/bits/stringfwd.h: Add declarations of
1998 char_traits<char8_t> and u8string.
1999 * include/c_global/cstddef: Add __byte_operand<char8_t>.
2000 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
2002 (path::u8string): Return std::u8string when char8_t support is
2004 (path::generic_u8string): Likewise.
2005 (path::_S_convert): Handle conversion from char8_t input.
2006 (path::_S_str_convert): Likewise.
2007 * include/experimental/string: Add u8string.
2008 * include/experimental/string_view: Add u8string_view,
2009 hash<experimental::u8string_view>, and
2010 operator""sv(const char8_t*, size_t).
2011 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
2012 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
2013 as a character type.
2014 * include/std/limits: Add numeric_limits<char8_t>.
2015 * include/std/string_view: Add u8string_view,
2016 hash<experimental::u8string_view>, and
2017 operator""sv(const char8_t*, size_t).
2018 * include/std/type_traits: Add __is_integral_helper<char8_t>,
2019 __make_unsigned<char8_t>, and __make_signed<char8_t>.
2020 * libsupc++/atomic_lockfree_defines.h: Define
2021 ATOMIC_CHAR8_T_LOCK_FREE.
2022 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
2023 codecvt.cc and limits.cc so that char8_t specializations of
2024 numeric_limits and codecvt and emitted.
2025 * src/c++11/Makefile.in: Likewise.
2026 * src/c++11/codecvt.cc: Define members of
2027 codecvt<char16_t, char8_t, mbstate_t>,
2028 codecvt<char32_t, char8_t, mbstate_t>,
2029 codecvt_byname<char16_t, char8_t, mbstate_t>, and
2030 codecvt_byname<char32_t, char8_t, mbstate_t>.
2031 * src/c++11/limits.cc: Define members of
2032 numeric_limits<char8_t>.
2033 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
2034 locale_init.cc and localename.cc.
2035 * src/c++98/Makefile.in: Likewise.
2036 * src/c++98/locale_init.cc: Add initialization for the
2037 codecvt<char16_t, char8_t, mbstate_t> and
2038 codecvt<char32_t, char8_t, mbstate_t> facets.
2039 * src/c++98/localename.cc: Likewise.
2040 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
2042 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
2044 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
2045 * 27_io/filesystem/operations/resize_file.cc: Likewise.
2046 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
2048 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
2050 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
2051 * doc/html/*: Regenerate.
2053 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
2054 * doc/html/*: Regenerate.
2056 * doc/xml/manual/intro.xml: Document LWG 2586 status.
2057 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
2058 allocator type in is_constructible checks.
2059 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
2060 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
2061 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
2062 problematic type from LWG 2586 discussion.
2063 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
2064 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
2066 * configure.ac: Check for C11 timespec_get function.
2067 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
2069 * config.h.in: Regenerate.
2070 * configure: Regenerate.
2071 * include/c_global/ctime (timespec, timespec_get): Add to namespace
2072 std for C++17 and up.
2074 * doc/xml/manual/intro.xml: Document LWG 2537 status.
2075 * include/bits/stl_queue.h
2076 (priority_queue(const Compare&, const Container&, const Alloc&))
2077 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
2079 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
2081 * doc/xml/manual/intro.xml: Document LWG 2566 status.
2082 * include/bits/stl_queue.h (queue, priority_queue): Add static
2083 assertions to enforce LWG 2566 requirement on value_type.
2084 * include/bits/stl_stack.h (stack): Likewise.
2087 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
2089 * doc/xml/manual/intro.xml: Document LWG 2735 status.
2090 * include/bits/std_abs.h: Add comment about LWG 2735.
2091 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
2093 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
2096 * include/std/version [__cpp_impl_destroying_delete]
2097 (__cpp_lib_destroying_delete): Only define for C++2a and later.
2098 * libsupc++/new [__cpp_impl_destroying_delete]
2099 (__cpp_lib_destroying_delete): Likewise.
2100 (destroying_delete_t, destroying_delete): Likewise, but define even
2101 when __cpp_impl_destroying_delete is not defined.
2102 * testsuite/18_support/destroying_delete.cc: New test.
2104 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
2107 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
2108 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
2109 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
2110 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
2112 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
2115 * include/bits/fs_path.h (path::has_root_name)
2116 (path::has_root_directory, path::has_root_path)
2117 (path::has_relative_path, path::has_parent_path)
2118 (path::has_filename, path::has_stem, path::has_extension)
2119 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
2121 * src/c++17/fs_path.cc (path::has_root_name)
2122 (path::has_root_directory, path::has_root_path)
2123 (path::has_relative_path, path::has_parent_path)
2124 (path::has_filename, path::_M_find_extension): Add noexcept.
2126 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
2128 PR libstdc++/89102 (partial)
2129 * include/std/type_traits (common_type<>): Define.
2130 (common_type<T>): Derive from common_type<T, T>.
2131 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
2132 Test zero-length template argument list.
2133 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
2134 Test additional single argument cases.
2135 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
2136 Adjust expected error.
2138 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
2141 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
2143 * include/bits/stl_stack.h (stack): Likewise.
2144 * testsuite/23_containers/priority_queue/deduction.cc: New test.
2145 * testsuite/23_containers/queue/deduction.cc: New test.
2146 * testsuite/23_containers/stack/deduction.cc: New test.
2149 * include/std/type_traits (__is_convertible_helper)
2150 (__is_convertible_helper<_From, _To, false>): Revert changes to
2151 support is_nothrow_convertible.
2152 (__is_nt_convertible_helper): New helper.
2153 (is_nothrow_convertible): Use __is_nt_convertible_helper.
2155 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
2156 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
2159 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
2160 __is_alloc_insertable_impl. Replace single type member with two
2161 members, one for each of copy and move insertable.
2162 (__is_move_insertable): New trait for internal use.
2163 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
2164 (vector::_S_nothrow_relocate(true_type)): New functions to
2165 conditionally check if __relocate_a can throw.
2166 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
2167 on __is_move_insertable.
2168 (vector::_S_do_relocate): New overloaded functions to conditionally
2170 (vector::_S_relocate): New function that dispatches to _S_do_relocate
2171 based on _S_use_relocate.
2172 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2173 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
2174 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
2177 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
2178 parameter unnamed. Add message to static assertion.
2179 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2180 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
2183 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
2186 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
2188 (__is_bitwise_relocatable): ... to this.
2189 (__relocate_a_1): Adapt.
2190 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
2191 (__is_bitwise_relocatable): ... to this.
2193 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
2196 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
2197 final component as well as from _M_pathname. Append the dot using
2198 operator+= instead of only to _M_pathname.
2199 (path::_M_find_extension): Reformat slightly.
2200 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
2201 Add more test cases.
2203 2019-01-30 Ulrich Drepper <drepper@redhat.com>
2205 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
2207 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
2209 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
2210 constexpr specifiers from arg and proj.
2212 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
2213 __shared_ptr instantiations used by gcc4-compatible ABI.
2215 * include/experimental/forward_list (experimental::erase): Qualify
2217 * include/experimental/list (experimental::erase): Likewise.
2218 * include/std/forward_list (std::erase): Likewise.
2219 * include/std/list (std::erase): Likewise.
2221 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
2223 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
2224 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
2225 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
2226 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
2227 * testsuite/ext/array_allocator/26875.cc: Likewise.
2228 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
2229 * testsuite/util/replacement_memory_operators.h: Likewise.
2230 * testsuite/util/testsuite_allocator.h: Likewise.
2232 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
2233 normal mode vector, even for debug mode.
2234 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
2235 Define alias template for normal mode vector.
2237 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
2240 * config/locale/generic/c_locale.h (__convert_from_v)
2241 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2242 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2243 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
2244 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2246 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
2249 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
2250 data member with static member function _S_use_relocate().
2251 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2252 (vector::_M_default_append): Use _S_use_relocate() instead of
2255 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
2258 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
2261 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
2262 write to stderr instead of using printf.
2264 2019-01-21 Jakub Jelinek <jakub@redhat.com>
2267 * include/bits/char_traits.h (__constant_string_p,
2268 __constant_char_array_p): Use __builtin_is_constant_evaluated if
2271 2019-01-20 Ulrich Drepper <drepper@redhat.com>
2273 Implement C++20 P0600r1.
2274 * include/backward/hash_map: Add nodiscard attribute to empty.
2275 * include/backward/hash_set: Likewise.
2276 * backward/hashtable.h: Likewise.
2277 * include/bits/basic_string.h: Likewise.
2278 * include/bits/forward_list.h: Likewise.
2279 * include/bits/hashtable.h: Likewise.
2280 * include/bits/regex.h: Likewise.
2281 * include/bits/stl_deque.h: Likewise.
2282 * include/bits/stl_list.h: Likewise.
2283 * include/bits/stl_map.h: Likewise.
2284 * include/bits/stl_multimap.h: Likewise.
2285 * include/bits/stl_multiset.h: Likewise.
2286 * include/bits/stl_queue.h: Likewise.
2287 * include/bits/stl_set.h: Likewise.
2288 * include/bits/stl_stack.h: Likewise.
2289 * include/bits/stl_tree.h: Likewise.
2290 * include/bits/stl_vector.h: Likewise.
2291 * include/bits/unordered_map.h: Likewise.
2292 * include/bits/unordered_set.h: Likewise.
2293 * include/debug/array: Likewise.
2294 * include/experimental/any: Likewise.
2295 * include/experimental/bits/fs_path.h: Likewise.
2296 * include/experimental/internet: Likewise.
2297 * include/experimental/string_view: Likewise.
2298 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
2300 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
2302 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
2304 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
2306 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
2308 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
2310 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
2312 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
2314 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2315 info_fn_imps.hpp: Likewise.
2316 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2317 left_child_next_sibling_heap_.hpp: Likewise.
2318 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
2320 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
2322 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
2324 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
2326 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
2328 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
2330 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
2332 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
2333 * include/ext/pb_ds/trie_policy.hpp: Likewise.
2334 * include/ext/rope: Likewise.
2335 * include/ext/slist: Likewise.
2336 * include/ext/vstring.h: Likewise.
2337 * include/profile/array: Likewise.
2338 * include/std/array: Likewise.
2339 * include/tr1/array: Likewise.
2340 * include/tr1/hashtable.h: Likewise.
2341 * include/tr1/regex: Likewise.
2342 * include/tr2/dynamic_bitset: Likewise.
2343 * include/bits/alloc_traits.h: Add nodiscard attribute to
2345 * include/experimental/memory_resource: Likewise.
2346 * include/ext/alloc_traits.h: Likewise.
2347 * include/ext/array_allocator.h: Likewise.
2348 * include/ext/bitmap_allocator.h: Likewise.
2349 * include/ext/debug_allocator.h: Likewise.
2350 * include/ext/extptr_allocator.h: Likewise.
2351 * include/ext/mt_allocator.h: Likewise.
2352 * include/ext/new_allocator.h: Likewise.
2353 * include/ext/pool_allocator.h: Likewise.
2354 * include/ext/throw_allocator.h: Likewise.
2355 * include/std/scoped_allocator: Likewise.
2356 * libsupc++/eh_alloc.cc: Likewise.
2357 * include/std/future: Add nodiscard attribute to async.
2358 * libsupc++/new: Add nodiscard attribute to new.
2360 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
2365 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
2366 * include/bits/shared_ptr.h
2367 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
2368 (allocate_shared): Change to use new tag type.
2369 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
2370 Declare new member function.
2371 (_Sp_alloc_shared_tag): Define new type.
2372 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
2373 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
2374 _Sp_make_shared_tag::_S_eq to check type_info.
2375 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
2376 Constrain to prevent being called with _Sp_alloc_shared_tag.
2377 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
2378 Replace constructor with ...
2379 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
2380 reference parameter so address of the new object can be returned to
2381 the caller. Obtain the allocator from the tag type.
2382 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
2383 constructor with ...
2384 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
2385 to the __shared_count constructor.
2386 (__allocate_shared): Change to use new tag type.
2387 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
2389 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
2391 * src/c++17/fs_ops.cc
2392 (equivalent(const path&, const path&, error_code&))
2393 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
2394 compare files instead of relying on incomplete info returned by stat.
2397 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
2398 if the path is already absolute.
2399 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
2400 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
2403 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
2404 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
2405 of filesystem::exists.
2406 (create_directories(const path&, error_code&)): Add assertions.
2407 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
2408 Add workaround for bug in _wstat for paths with trailing slash.
2409 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
2410 for expected behaviour on mingw.
2411 * testsuite/experimental/filesystem/operations/create_directories.cc:
2413 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
2414 "TMP" instead of "TMPDIR" and clean environment before each test. Do
2415 not test permissions on mingw targets.
2417 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
2419 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
2420 constructors and open members taking wide strings. Fix patterns for
2421 filesystem::path members to match wstring_view parameters. Add
2422 exports for shared_ptr members used by directory iterators.
2423 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
2424 error code parameter if the file doesn't exist.
2425 * src/filesystem/ops.cc (remove(const path&, error_code&)):
2427 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
2428 values for mingw targets, where "/" is not an absolute path. Do not
2429 test symlinks on mingw targets.
2430 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
2431 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
2433 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
2434 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
2435 that each component of the path is created.
2436 * testsuite/experimental/filesystem/operations/create_directories.cc:
2438 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
2439 permissions on mingw targets.
2440 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
2441 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2442 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
2443 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
2445 * testsuite/experimental/filesystem/operations/permissions.cc:
2447 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
2448 symlinks or permissions on mingw targets.
2449 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
2450 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
2451 symlinks on mingw targets.
2452 * testsuite/experimental/filesystem/operations/remove_all.cc:
2454 * testsuite/27_io/filesystem/operations/status.cc: Do not test
2455 permissions on mingw targets.
2456 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
2457 test symlinks on mingw targets.
2458 * testsuite/experimental/filesystem/operations/space.cc: Fix test
2461 2019-02-14 Ulrich Drepper <drepper@redhat.com>
2464 Warn about unused comparisons of shared_ptr/unique_ptr
2465 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
2466 * include/bits/shared_ptr.h: Use it for operator ==, !=,
2467 <, <=, >, >= for shared_ptr.
2468 * include/bits/unique_ptr.h: Likewise for unique_ptr.
2470 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
2472 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
2473 as 201611L, because P0497R0 changes are supported.
2474 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
2476 * include/bits/erase_if.h [__cplusplus > 201703L]
2477 (__cpp_lib_erase_if): Only define for C++2a.
2478 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2479 (__cpp_lib_null_iterators): Define.
2480 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2481 (__cpp_lib_null_iterators): Define.
2482 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
2484 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
2486 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
2488 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
2489 changes are supported.
2490 * include/std/optional (__cpp_lib_optional): Likewise.
2491 * include/std/variant (__cpp_lib_variant): Likewise.
2492 * include/std/version [!__STRICT_ANSI__]
2493 (__cpp_lib_uncaught_exceptions): Define as long integer.
2494 [__cplusplus >= 201703L] (__cpp_lib_any)
2495 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
2496 (__cpp_lib_variant): Define for C++17.
2497 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
2499 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
2502 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
2504 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
2508 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
2510 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
2513 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2515 * doc/xml/manual/intro.xml: Include new section.
2516 * doc/xml/manual/status_cxx2017.xml: Document more
2517 implementation-defined properties of the library.
2518 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
2519 * doc/html/*: Regenerate.
2521 * include/bits/refwrap.h [__cplusplus > 201703L]
2522 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
2523 (_Reference_wrapper_base_memfun): Do not define for C++2a.
2524 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
2526 (reference_wrapper::operator()): Add static assertion.
2527 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
2529 * include/std/chrono (duration_values::zero(), duration_values::min())
2530 (duration_values::max()): Add noexcept.
2531 (duration::zero(), duration::min(), duration::max()): Likewise.
2532 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
2533 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
2534 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
2536 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
2538 2019-01-11 Jakub Jelinek <jakub@redhat.com>
2540 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
2541 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
2543 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2546 * include/bits/functional_hash.h (hash<nullptr_t>): Define
2547 specialization for C++17 (P0513R0, LWG 2817).
2548 * testsuite/20_util/hash/nullptr.cc: New test.
2551 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
2552 pattern for std::basic_stringbuf::str().
2554 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
2555 basic_ostream::operator<< patterns.
2557 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2559 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
2560 test failures on targets with 32-bit time_t.
2562 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
2563 * include/std/deque: Likewise.
2564 * include/std/forward_list: Likewise.
2565 * include/std/list: Likewise.
2566 * include/std/string: Likewise.
2567 * include/std/vector: Likewise.
2568 * include/std/version: Likewise.
2569 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
2570 * testsuite/23_containers/deque/erasure.cc: Likewise.
2571 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
2572 * testsuite/23_containers/list/erasure.cc: Likewise.
2573 * testsuite/23_containers/map/erasure.cc: Likewise.
2574 * testsuite/23_containers/set/erasure.cc: Likewise.
2575 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2576 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
2577 * testsuite/23_containers/vector/erasure.cc: Likewise.
2579 * include/experimental/internet [AI_NUMERICSERV]
2580 (resolver_base::numeric_service): Define conditionally.
2581 * testsuite/experimental/net/internet/resolver/base.cc: Test it
2583 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
2586 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
2587 Jonathan Wakely <jwakely@redhat.com>
2590 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
2591 (GLIBCXX_3.4.26): Add new exports.
2592 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
2593 correct list of sources.
2594 * include/Makefile.in: Regenerate.
2595 * include/std/ostream (operator<<(nullptr_t)): New member function.
2596 * src/c++17/ostream-inst.cc: New file.
2597 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
2600 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2602 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
2603 of the source file containing the caller.
2604 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
2605 directories created by test.
2606 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2608 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
2610 * testsuite/experimental/filesystem/iterators/
2611 recursive_directory_iterator.cc: Likewise.
2613 2019-01-10 Jakub Jelinek <jakub@redhat.com>
2615 PR tree-optimization/88775
2616 * include/bits/stl_function.h (greater<_Tp*>::operator(),
2617 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
2618 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
2619 instead of __builtin_constant_p if available. Don't bother with
2620 the pointer comparison in C++11 and earlier.
2622 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
2626 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
2629 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
2631 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
2632 for filesystem::path. Give variables more distinctive names.
2634 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
2635 member function to perform non-trivial assignment.
2636 (_Optional_payload_base::_M_move_assign): Likewise.
2637 (_Optional_payload<T, true, false, true>::operator=)
2638 (_Optional_payload<T, true, true, false>::operator=)
2639 (_Optional_payload<T, true, false, false>::operator=): Call
2640 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
2643 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
2644 test std::complex<long double> if long double format is IBM128.
2645 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
2648 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2650 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
2651 for old std::unique_ptr layout.
2652 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
2653 to become valueless. Add filesystem::path tests.
2656 * include/std/optional (_Optional_payload_base): New class template
2657 for common code hoisted from _Optional_payload specializations. Use
2658 a template for the union, to allow a partial specialization for
2659 types with non-trivial destructors. Add constructors for in-place
2660 initialization to the union.
2661 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
2662 to perform non-trivial copy construction, instead of relying on
2663 non-standard copy elision in a delegating constructor.
2664 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
2665 non-trivial move construction.
2666 (_Optional_payload): Derive from _Optional_payload_base and use it
2667 for everything except the non-trivial assignment operators, which are
2669 (_Optional_payload<false, C, M>): Derive from the specialization
2670 _Optional_payload<true, false, false> and add a destructor.
2671 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
2672 Forward to corresponding members of _Optional_payload.
2673 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
2674 Hoist common members from _Optional_base.
2675 (_Optional_base): Make all members and base class public.
2676 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
2677 _Optional_base_impl.
2678 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
2679 support for new std::optional layout.
2680 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
2683 * include/bits/locale_conv.h: Use <> for includes not "".
2684 * include/ext/random: Likewise.
2685 * include/ext/vstring.h: Likewise.
2687 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2689 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
2690 (GLIBCXX_3.4.21): Likewise.
2692 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2695 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
2696 to match the one that controls whether utimbuf and utime are declared.
2698 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
2701 * include/bits/char_traits.h (char_traits::move): Do not pass null
2702 pointers to memmove.
2703 * include/bits/locale_facets.h
2704 (ctype<char>::widen(const char*, const char*, char*)): Do not
2705 pass null pointers to memcpy.
2706 (ctype<char>::narrow(const char*, const char*, char, char*)):
2708 (ctype<char>::do_widen(const char*, const char*, char*)):
2710 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
2713 * doc/xml/manual/spine.xml: Update copyright years.
2714 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
2715 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
2716 for C++17 filesystem library.
2717 * doc/html/*: Regenerate.
2719 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
2720 * config.h.in: Regenerate.
2721 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
2722 alphabetically and add missing entries for copy_symlink,
2723 hard_link_count, rename, and resize_file.
2724 * configure: Regenerate.
2725 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
2726 used unconditionally.
2727 * src/filesystem/ops-common.h (__gnu_posix::truncate)
2728 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
2729 supports truncating to zero length.
2730 * testsuite/27_io/filesystem/operations/all.cc: New test.
2731 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
2733 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
2736 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
2737 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
2738 * config.h.in: Regenerate.
2739 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
2740 remaining std::filesystem types and functions.
2741 * configure: Regenerate.
2742 * src/c++17/Makefile.am: Add C++17 filesystem sources.
2743 * src/c++17/Makefile.in: Regenerate.
2744 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
2745 here, and change name of included file.
2746 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
2747 here, and change name of included file.
2748 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
2749 path to dir-common.h.
2750 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
2751 path to ops-common.h. Disable -Wunused-parameter warnings.
2752 (internal_file_clock): Define unconditionally.
2753 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
2755 (do_copy_file, do_space): Move definitions to ops.common.h.
2756 (copy, file_size, hard_link_count, last_write_time, space): Only
2757 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
2759 (last_write_time, read_symlink): Remove unused attributes from
2761 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
2762 * src/filesystem/Makefile.in: Regenerate.
2763 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
2764 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
2765 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
2766 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
2767 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
2768 dummy types and functions instead of using #error.
2769 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
2770 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
2772 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
2773 (do_copy_file, do_space): Move definitions here from std-ops.cc.
2774 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
2775 to account for new namespace.
2776 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
2777 -lstdc++fs from dg-options.
2778 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
2779 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
2780 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
2781 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
2782 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
2784 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
2785 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2787 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
2788 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
2789 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
2790 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
2791 * testsuite/27_io/filesystem/operations/create_directories.cc:
2793 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
2794 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
2795 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
2796 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
2797 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
2798 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
2799 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2800 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
2801 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
2802 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
2803 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
2804 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
2805 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
2806 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
2807 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
2808 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2809 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2810 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
2812 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
2816 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
2817 typeinfo and vtables less greedy.
2818 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
2819 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
2820 * src/c++17/Makefile.in: Regenerate.
2821 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
2822 here, and change name of included file.
2823 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
2824 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
2826 * src/filesystem/Makefile.in: Regenerate.
2827 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
2828 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
2829 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
2830 from dg-options and remove dg-require-filesystem-ts.
2831 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
2832 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
2833 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
2834 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
2835 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
2836 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
2837 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
2838 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
2839 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
2840 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
2841 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
2842 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
2843 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
2844 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
2845 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
2846 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
2847 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
2848 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
2849 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
2850 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
2851 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
2853 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
2854 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
2855 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
2856 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
2857 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
2858 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
2859 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
2860 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
2861 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
2862 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
2863 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
2864 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
2866 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
2868 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
2870 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
2872 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
2873 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
2874 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
2875 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
2876 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
2877 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
2878 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
2879 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
2880 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
2881 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
2883 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
2884 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
2885 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
2886 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
2887 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
2890 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
2891 Check is_trivially_copyable instead of is_scalar.
2892 (variant::emplace<N, Args>(Args&&...)): If construction of the new
2893 contained value can throw and its type is trivially copyable then
2894 construct into a temporary variant and move from it, to provide the
2895 strong exception safety guarantee.
2896 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
2898 * testsuite/20_util/variant/87431.cc: New test.
2899 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
2900 conversion causes valueless state.
2903 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
2904 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
2905 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
2906 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
2907 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
2909 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
2911 * include/bits/fs_fwd.h (__file_clock): Define new clock.
2912 (file_time_type): Redefine in terms of __file_clock.
2913 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
2915 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
2917 (internal_file_lock): New helper type for accessing __file_clock.
2918 (do_copy_file): Use internal_file_lock to convert system time to
2920 (last_write_time(const path&, error_code&)): Likewise.
2921 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
2923 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
2925 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
2926 for const member functions of std::basic_string.
2927 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
2929 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
2930 Make non-standard constructor private.
2931 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
2933 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
2934 explicit instantiations for C++17 as well as earlier dialects.
2935 * src/c++17/Makefile.am: Add new source files.
2936 * src/c++17/Makefile.in: Regenerate.
2937 * src/c++17/cow-string-inst.cc: New file defining explicit
2938 instantiations for basic_string member functions added in C++17.
2939 * src/c++17/string-inst.cc: Likewise.
2941 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
2942 copy/move constructors for old std::basic_string.
2943 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2944 (basic_string::reference, basic_string::const_reference): Define
2945 as plain references for C++11 and later.
2946 (basic_string::basic_string()): Put constructor body outside
2947 preprocessor conditional groups.
2948 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
2949 instead of copying it.
2950 (basic_string::basic_string(const basic_string&, const _Alloc&)):
2952 (basic_string::basic_string(basic_string&&, const _Alloc&)):
2954 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
2955 cases for old basic_string.
2956 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
2957 allocator-extended constructors unconditionally. Add extra members to
2958 allocator type when using old string ABI.
2959 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
2961 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
2963 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
2964 -fno-inline added to test flags.
2966 * testsuite/21_strings/basic_string/requirements/
2967 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
2969 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
2970 assertion failures with old std::string ABI.
2972 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
2974 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
2975 functions that will only erase elements at the end.
2976 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
2977 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
2978 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
2980 (path::_List::pop_back()): Define.
2981 (path::_List::_M_erase_from(const_iterator)): Define.
2982 (path::operator/=(const path&)): Use pop_back to remove last component
2983 and _M_erase_from to remove multiple components.
2984 (path::_M_append(basic_string_view<value_type>)): Likewise.
2985 (path::operator+=(const path&)): Likewise.
2986 (path::_M_concat(basic_string_view<value_type>)): Likewise.
2987 (path::remove_filename()): Likewise.
2988 (path::lexically_normal()): Use _List::_Impl iterators instead of
2989 path::iterator. Use pop_back to remove components from the end. Clear
2990 trailing filename, instead of using erase(const_iterator) to remove
2991 a non-final component.
2992 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
2994 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
2996 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
2997 incorrect treatment of empty filename after trailing slash.
2998 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
3000 * testsuite/21_strings/basic_string/modifiers/assign/char/
3001 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
3003 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
3004 move_assign_optim.cc: Likewise.
3006 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
3007 Jakub Jelinek <jakub@redhat.com>
3010 * include/experimental/memory: Replace UTF-8 quote characters.
3011 * include/std/future: Replace UTF-8 "em dash" characters.
3013 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
3016 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
3017 * include/debug/forward_list: Likewise.
3018 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
3020 * include/experimental/chrono: Likewise.
3021 * include/experimental/functional: Likewise.
3022 * include/experimental/ratio: Likewise.
3023 * include/experimental/system_error: Likewise.
3024 * include/experimental/tuple: Likewise.
3025 * include/experimental/type_traits: Likewise.
3026 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
3027 * include/parallel/multiseq_selection.h: Likewise.
3030 * config/abi/pre/gnu.ver: Add missing exports.
3031 * testsuite/22_locale/collate_byname/88681.cc: New test.
3032 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
3033 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
3035 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
3037 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
3038 initializer_list<value_type> and from input iterator ranges.
3039 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
3041 * testsuite/experimental/string_view/element_access/char/empty.cc:
3042 Fix year range in copyright header.
3044 2019-01-02 Joel Brobecker <brobecker@adacore.com>
3046 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
3047 Fix year range in copyright header.
3049 2019-01-01 Jakub Jelinek <jakub@redhat.com>
3051 Update copyright years.
3053 Copyright (C) 2019 Free Software Foundation, Inc.
3055 Copying and distribution of this file, with or without modification,
3056 are permitted in any medium without royalty provided the copyright
3057 notice and this notice are preserved.