1 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
3 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
4 Add check for Thread Building Blocks 2018 or later.
6 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
8 * testsuite/experimental/names.cc: Only include Networking TS headers
9 on targets with the necessary Gthreads support.
11 2019-05-20 Marek Polacek <polacek@redhat.com>
13 CWG 2094 - volatile scalars are trivially copyable.
15 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
16 result for volatile int.
18 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
20 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
21 * testsuite/experimental/names.cc: Include <experimental/filesystem>
24 PR c++/90532 Ensure __is_constructible(T[]) is false
25 * include/std/type_traits (__do_is_default_constructible_impl)
26 (__is_default_constructible_atom, __is_default_constructible_safe):
28 (is_default_constructible): Use is_constructible.
29 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
30 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
31 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
32 * testsuite/20_util/is_trivially_default_constructible/value.cc:
35 2019-05-20 Pádraig Brady <pbrady@fb.com>
37 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
38 to the deallocator with -fsized-deallocation.
40 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
42 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
43 test by passing correct alignment to deallocate function.
45 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
48 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
49 Raise exception if unique_ptr tuple member has unknown structure.
50 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
51 Adjust worker to support new __uniq_ptr_data base class. Do not
52 assume field called _M_head_impl is the first tuple element.
54 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
56 * include/bits/stl_deque.h
57 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
58 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
59 (_Deque_base::_Deque_impl_data): New.
60 (_Deque_base::_Deque_impl): Inherit latter.
61 (_Deque_base::_Deque_impl::_M_swap_data): Move...
62 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
63 (_Deque_base::_Deque_impl()): Add noexcept qualification.
64 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
65 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
66 (deque<>::deque()): Default.
67 (deque<>::deque(deque&&)): Default.
68 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
69 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
70 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
71 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
73 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
74 (deque<>::resize(size_type, const value_type&)): Share a single
76 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
78 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
79 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
80 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
81 * testsuite/23_containers/deque/allocator/default_init.cc: New.
83 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
86 * include/std/variant (holds_alternative, get, get_if): Improve
87 static assertion messages.
88 (bad_variant_access::bad_variant_access()): Change default message.
89 (__throw_bad_variant_access(bool)): New overload.
90 (get): Use new overload.
91 (visit, visit<R>): Improve exception message.
93 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
94 targets. Add more cases from P0608R3.
95 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
97 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
98 * include/experimental/type_traits (is_detected_exact)
99 (is_detected_exact_v): Likewise.
100 * include/pstl/execution_defs.h (is_execution_policy)
101 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
102 * include/pstl/execution_impl.h (__policy_traits): Likewise.
103 * testsuite/17_intro/names.cc: Check for more non-reserved names.
104 * testsuite/experimental/names.cc: New test.
107 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
108 assertions from the destructor.
109 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
110 Move static_assert for hash function to here.
111 (_Hash_table_base::_M_equals): Move static_assert for equality
113 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
115 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
116 the value directly instead of calling _S_value.
117 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
118 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
119 _S_key(_Const_Link_type).
120 * testsuite/23_containers/set/85965.cc: Check construction,
121 destruction, assignment and size() do not trigger the assertions.
122 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
123 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
125 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
126 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
127 * testsuite/23_containers/set/48101_neg.cc: Likewise.
128 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
129 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
130 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
131 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
133 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
134 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
137 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
139 * doc/html/*: Regenerate.
140 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
141 of decay_t (P0777R1).
143 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
145 Move from state of allocators (LWG2593)
146 * include/bits/stl_deque.h
147 (_Deque_base(_Deque_base&&, false_type)): Remove.
148 (_Deque_base(_Deque_base&&, true_type)): Remove.
149 (_Deque_base(_Deque_base&&)): Adapt.
150 (_Deque_base::_M_move_impl()): Remove.
151 * testsuite/util/testsuite_allocator.h
152 (propagating_allocator(propagating_allocator&&)): Preserve move from
154 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
156 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
158 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
159 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
160 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
162 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
164 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
165 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
167 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
169 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
171 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
173 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
175 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
177 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
179 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
182 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
184 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
185 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
187 * include/std/variant (__overload_set): Remove.
189 (_Build_FUN): New class template to define a single FUN overload,
190 with specializations to prevent unwanted conversions, as per P0608R3.
191 (_Build_FUNs): New class template to build an overload set of FUN.
192 (_FUN_type): New alias template to perform overload resolution.
193 (__accepted_type): Use integer_constant base for failure case. Use
194 _FUN_type for successful case.
195 (variant::__accepted_index): Use _Tp instead of _Tp&&.
196 (variant::variant(_Tp&&)): Likewise.
197 (variant::operator=(_Tp&&)): Likewise.
199 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
200 Replace raw visitation with a runtime check for the valueless state
201 and a non-raw visitor.
202 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
203 (variant::index()): Remove branch.
204 (variant::swap(variant&)): Use valueless_by_exception() instead of
205 comparing the index to variant_npos, and add likelihood attribute.
207 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
208 (_Hashtable_base::_Equal_hash_code): Define new class template.
209 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
212 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
213 Replace with _M_get non-static member function.
214 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
216 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
217 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
219 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
220 _S_get accessors for members in EBO helpers.
221 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
222 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
224 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
226 (_Hashtable_base::_M_eq()): Remove non-const overload.
228 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
230 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
232 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
234 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
237 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
239 * config/os/solaris/solaris2.10: Move to ...
240 * config/os/solaris: ... this.
241 * configure.host (os_include_dir): Adapt.
242 (abi_baseline_pair): Remove Solaris 10 handling.
243 * config/abi/post/i386-solaris2.10: Remove.
244 * config/abi/post/sparc-solaris2.10: Remove.
245 * config/abi/post/i386-solaris2.11: Rename to ...
246 * config/abi/post/i386-solaris: ... this.
247 * config/abi/post/sparc-solaris2.11: Rename to ...
248 * config/abi/post/sparc-solaris: ... this.
250 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
253 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
256 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
258 * include/std/variant (__visit_with_index): Remove typedef.
259 (__deduce_visit_result): New tag type.
260 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
261 visitation of possibly-valueless variants, forwarding to __do_visit
262 with the relevant tag type.
263 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
264 and make lambda return void.
265 (__variant_construct): Likewise.
266 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
267 __raw_idx_visit and make lambda return void.
268 (_Multi_array::__untag_result): Add metafunction to check the function
269 pointer type for a tag type that dictates the kind of visitation.
270 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
271 Use decltype(auto) instead of tagged function pointer type.
272 (__gen_vtable_impl): Remove bool non-type parameter and unused
273 _Variant_tuple parameter.
274 (__gen_vtable_impl::__visit_invoke_impl): Remove.
275 (__gen_vtable_impl::__do_visit_invoke): Remove.
276 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
277 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
278 for the visit<R> case, rather than dispatching to separate functions.
279 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
281 (variant::swap): Likewise.
282 (__do_visit): Replace two non-type template parameters with a single
283 type parameter, so that the caller must specify the visitor's return
284 type (or one of the tag types).
285 (visit): Deduce a return type from the visitor and use the
286 __deduce_visit_result tag to enforce that all overloads return the
288 (visit<R>): Call __do_visit<R> with explicit result type.
289 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
292 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
294 nonesuch is insufficiently useless (lwg2996)
295 * include/std/type_traits (struct __nonesuch): Added private base
296 class to make __nonesuch not an aggregate and removed deleted default
298 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
299 (operator=(const pair&)): Use __nonesuch instead of
300 __nonesuch_no_braces.
301 (operator=(pair&&)): Likewise
302 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
303 of __nonesuch_no_braces.
304 (operator=(tuple&&)): Likewise
305 * include/experimental/type_traits (struct nonesuch): Added private
306 base class to make nonesuch not an aggregate and removed deleted
308 * testsuite/20_util/nonesuch/nonesuch.cc: New.
309 * testsuite/experimental/type_traits/nonesuch.cc: New.
311 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
313 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
314 (_Function_handler): Remove partial specializations for void return
315 types and pointers to member.
316 (_Function_handler::_M_manager): Adapt to removal of
317 _Simple_type_wrapper.
318 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
319 * include/std/functional (_Bind_result::__enable_if_void)
320 (_Bind_result::__disable_if_void): Remove sfinae helpers.
321 (_Bind_result::__call): Use __invoke_r and remove overloads for void
323 * include/std/future (__future_base::_Task_state::_M_run)
324 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
325 change return type of lambda expressions.
327 * include/bits/invoke.h (__invoke_r): Define new function implementing
328 the INVOKE<R> pseudo-function.
329 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
330 * testsuite/20_util/function_objects/invoke/2.cc: New test.
332 * include/std/type_traits (__is_nt_convertible_helper): Define it
333 unconditionally, not only for C++20.
334 (__is_nothrow_convertible): Define internal trait for use in C++11.
335 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
336 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
337 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
338 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
339 that has nothrow explicit conversion but potentially-throwing implicit
341 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
342 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
343 function to only consider implicit conversions.
344 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
346 * include/std/iterator: Include <iosfwd> instead of <istream> and
349 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
350 Remove unused, non-standard function.
352 * include/bits/regex.h (match_results::max_size()): Adjust return
353 value to account for prefix/suffix/unmatched subs.
354 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
355 reset the contained sub matches.
356 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
357 function to set result state following a failed match.
358 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
359 sub_match states after _M_resize. Use _M_establish_failed_match.
362 * include/std/thread (thread::_State_impl, thread::_S_make_state):
363 Replace single _Callable parameter with variadic _Args pack, to
364 forward them directly to the tuple of decayed copies.
365 * testsuite/30_threads/thread/cons/69724.cc: New test.
367 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
369 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
370 * include/bits/basic_string.h: (operator=(const basic_string&):
371 Move allocator decision to assign.
372 (assign(const basic_string&)): Move allocator decision here.
373 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
375 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
378 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
380 * testsuite/util/testsuite_allocator.h (memory_resource)
381 (default_resource_mgr): Fix indentation.
383 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
384 Use operator-> to access raw pointer member.
385 * testsuite/23_containers/vector/59829.cc: Likewise.
386 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
387 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
388 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
390 (PointerBase, PointerBase_void): Derive from NullablePointer and use
391 its constructors and equality operators. Change converting
392 constructors to use operator-> to access private member of the other
394 (PointerBase_void::operator->()): Add, for access to private member.
395 (operator-(PointerBase, PointerBase)): Change to hidden friend.
396 (operator==(PointerBase, PointerBase)): Remove.
397 (operator!=(PointerBase, PointerBase)): Remove.
399 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
400 not assume field called _M_head_impl is the first tuple element.
401 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
402 implementation more accurate.
403 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
404 empty pointer type and non-empty deleter.
406 LWG 2899 - Make is_move_constructible correct for unique_ptr
407 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
408 move assignment operator.
409 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
410 (__uniq_ptr_data): New class template with conditionally deleted
412 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
413 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
414 constructor and move assignment operator as defaulted.
415 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
416 __uniq_ptr_impl::release().
417 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
418 to __uniq_ptr_impl::reset(pointer).
419 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
420 Check for new __uniq_ptr_data type.
421 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
423 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
425 PR libstdc++/90454.cc path construction from void*
426 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
427 pointers to void are rejected as well as void.
428 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
429 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
431 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
433 * doc/xml/manual/policy_data_structures.xml: Comment out stray
434 <remark> elements. Fix formatting of bibliography references.
436 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
438 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
440 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
442 Remove Profile Mode, deprecated since 7.1.0
443 * doc/Makefile.am: Remove XML file for profile mode docs.
444 * doc/Makefile.in: Regenerate.
445 * doc/xml/authors.xml: Remove authors of profile mode docs.
446 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
448 * doc/xml/manual/debug.xml: Likewise.
449 * doc/xml/manual/evolution.xml: Document removal of profile mode.
450 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
451 * doc/xml/manual/spine.xml: Remove profile mode author credit.
452 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
454 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
456 * doc/html/*: Regenerate.
457 * include/Makefile.am: Remove profile mode headers.
458 * include/Makefile.in: Regenerate.
459 * include/bits/c++config (std::__profile): Remove namespace.
460 [_GLIBCXX_PROFILE]: Remove checks for macro.
461 * include/profile/array: Remove.
462 * include/profile/base.h: Remove.
463 * include/profile/bitset: Remove.
464 * include/profile/deque: Remove.
465 * include/profile/forward_list: Remove.
466 * include/profile/impl/profiler.h: Remove.
467 * include/profile/impl/profiler_algos.h: Remove.
468 * include/profile/impl/profiler_container_size.h: Remove.
469 * include/profile/impl/profiler_hash_func.h: Remove.
470 * include/profile/impl/profiler_hashtable_size.h: Remove.
471 * include/profile/impl/profiler_list_to_slist.h: Remove.
472 * include/profile/impl/profiler_list_to_vector.h: Remove.
473 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
474 * include/profile/impl/profiler_node.h: Remove.
475 * include/profile/impl/profiler_state.h: Remove.
476 * include/profile/impl/profiler_trace.h: Remove.
477 * include/profile/impl/profiler_vector_size.h: Remove.
478 * include/profile/impl/profiler_vector_to_list.h: Remove.
479 * include/profile/iterator_tracker.h: Remove.
480 * include/profile/list: Remove.
481 * include/profile/map: Remove.
482 * include/profile/map.h: Remove.
483 * include/profile/multimap.h: Remove.
484 * include/profile/multiset.h: Remove.
485 * include/profile/ordered_base.h: Remove.
486 * include/profile/set: Remove.
487 * include/profile/set.h: Remove.
488 * include/profile/unordered_base.h: Remove.
489 * include/profile/unordered_map: Remove.
490 * include/profile/unordered_set: Remove.
491 * include/profile/vector: Remove.
492 * scripts/run_doxygen: Do not process profile mode headers.
493 * testsuite/23_containers/array/element_access/60497.cc: Don't use
495 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
496 Remove dg-skip-if for profile mode.
497 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
498 preprocessor check for profile mode.
499 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
500 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
502 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
504 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
505 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
506 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
507 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
508 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
510 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
512 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
514 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
516 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
517 preprocessor check for profile mode.
518 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
520 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
521 Remove dg-skip-if for profile mode.
522 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
523 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
524 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
525 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
526 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
527 * testsuite/Makefile.am: Remove profile_flags variable and
528 * testsuite/Makefile.am: Remove profile_flags variable and
529 check-profile target.
530 * testsuite/Makefile.in: Regenerate.
531 * testsuite/ext/profile/all.cc: Remove.
532 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
533 * testsuite/ext/profile/profiler_algos.cc: Remove.
534 * testsuite/ext/profile/replace_new.cc: Remove.
535 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
536 preprocessor check for profile mode.
537 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
538 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
539 (check_v3_target_normal_mode): Do not check for profile mode macro.
540 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
542 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
543 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
544 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
545 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
546 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
547 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
548 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
549 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
550 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
551 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
553 Remove array_allocator extension, deprecated since 4.9.0
554 * doc/xml/manual/allocator.xml: Remove documentation for
556 * doc/xml/manual/evolution.xml: Document array_allocator removal.
557 * doc/xml/manual/using.xml: Remove header from documentation.
558 * include/Makefile.am: Remove <ext/array_allocator.h> header.
559 * include/Makefile.in: Regenerate.
560 * include/ext/array_allocator.h: Remove.
561 * include/precompiled/extc++.h: Do not include removed header.
562 * testsuite/ext/array_allocator/1.cc: Remove.
563 * testsuite/ext/array_allocator/2.cc: Remove.
564 * testsuite/ext/array_allocator/26875.cc: Remove.
565 * testsuite/ext/array_allocator/3.cc: Remove.
566 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
567 * testsuite/ext/array_allocator/check_delete.cc: Remove.
568 * testsuite/ext/array_allocator/check_new.cc: Remove.
569 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
570 * testsuite/ext/headers.cc: Do not include removed header.
572 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
574 * include/bits/stl_bvector.h
575 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
577 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
579 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
581 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
583 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
585 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
587 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
589 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
591 (_Bit_iterator::operator-(difference_type)): Likewise.
592 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
593 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
595 (_Bit_const_iterator::operator-(difference_type)): Likewise.
596 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
598 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
601 * testsuite/util/thread/all.h: Do not use remove_pointer for
602 std::thread::native_handle_type.
605 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
606 (_Variant_storage<true, Types...>::_M_reset()))
607 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
608 (__get_storage): Likewise.
609 (variant): Add noexcept to friend declarations for __get and
613 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
614 Use _Require for constraints.
615 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
617 (__uniq_ptr_hash): New base class with conditionally-disabled call
619 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
620 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
621 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
623 * include/bits/shared_ptr.h: Improve docs.
624 * include/bits/shared_ptr_base.h: Likewise.
625 * include/bits/stl_uninitialized.h: Likewise.
626 * include/bits/unique_ptr.h: Likewise.
627 * libsupc++/new: Likewise.
629 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
631 * include/bits/stl_deque.h
632 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
634 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
636 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
638 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
640 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
642 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
644 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
646 (_Deque_iterator<>::operator-(difference_type)): Likewise.
648 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
651 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
652 (test01): Reserve for number of insertions to avoid rehash during test.
653 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
655 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
660 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
662 * include/experimental/bits/fs_path.h: Improve docs.
663 * include/experimental/bits/net.h: Fix wrong header name in comment.
664 Do not document implementation details.
665 * include/experimental/netfwd: Fix doxygen grouping.
667 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
669 * include/bits/stl_pair.h: Improve docs.
670 * include/std/tuple: Likewise.
672 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
674 * include/std/chrono: Improve docs.
675 * include/std/ratio: Do not document implementation details.
676 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
678 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
681 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
682 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
683 (__duration_common_type): New helper.
684 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
685 __duration_common_type.
686 (__timepoint_common_type_wrapper): Replace with ...
687 (__timepoint_common_type): New helper.
688 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
689 Use __time_point_common_type.
690 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
691 (__common_type_impl): If either argument is transformed by decay,
692 use the common_type of the decayed types.
693 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
694 decayed, use __do_common_type_impl to get the common_type.
695 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
696 (__do_member_type_wrapper, __member_type_wrapper)
697 (__expanded_common_type_wrapper): Remove.
698 (__common_type_pack, __common_type_fold): New helpers.
699 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
700 __member_type_wrapper and __expanded_common_type_wrapper.
701 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
702 Test zero-length template argument list.
703 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
704 Test single argument cases and argument types that should decay.
705 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
706 Adjust expected error.
707 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
709 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
710 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
711 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
713 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
715 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
717 Make allocator propagation more consistent for
718 operator+(basic_string) (P1165R1)
719 * include/bits/basic_string.h
720 (operator+(basic_string&&, basic_string&&): Changed resulting
721 allocator to always be the one from the first parameter.
722 * include/bits/basic_string.tcc
723 (operator+(const _CharT*, const basic_string&)): Changed
724 resulting allocator to be SOCCC on the second parameter's allocator.
725 (operator+(_CharT, const basic_string&)): Likewise.
726 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
728 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
731 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
733 * include/bits/regex.h: Improve docs.
734 * include/bits/regex.tcc: Do not document implementation details.
736 * testsuite/19_diagnostics/error_code/hash.cc: New test.
738 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
740 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
741 Add type printer for container types in std::__debug namespace.
742 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
743 (gdb-tests): Use distinct parameters for the type of test and use of
745 (gdb-test): Check for regex test even if 'whatis' test.
746 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
748 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
749 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
750 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
751 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
752 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
753 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
754 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
756 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
758 * include/std/system_error (error_category): Fix comment.
761 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
762 argument is an empty path.
763 (absolute(const path&, error_code&)): Use invalid_argument as error
764 code instead of no_such_file_or_directory.
765 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
766 of non-existent paths and empty paths with both overloads of absolute.
768 * include/std/system_error (error_category, error_code)
769 (error_condition): Improve docs.
770 * libsupc++/exception: Add missing @addtogroup Doxygen command.
771 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
772 to class documentation. Suppress documentation for implementation
774 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
775 Suppress documentation for implementation details.
777 * include/std/system_error (error_code): Remove friend declaration
778 for hash<error_code>.
779 (hash<error_code>::operator()): Use public member functions to access
781 (hash<error_condition>::operator()): Use address of category, not
782 its object representation.
783 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
784 Use public member functions to access value and category.
785 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
787 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
789 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
790 * include/bits/hashtable_policy.h
791 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
792 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
793 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
794 smaller than input value rather than always greater. Preserve
795 _M_next_resize if called with 0 input. Use __builtin_floorl.
796 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
797 elements + number of insertions is greater than _M_next_resize. Start
798 with 11 buckets if not told otherwise. Use __builtin_floorl.
799 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
800 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
801 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
802 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
803 told otherwise. Use __builtin_floorl.
804 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
805 to also validate _Power2_rehash_policy.
806 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
809 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
812 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
816 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
817 overflow warning with -Wpedantic -Wsystem-headers.
819 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
822 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
823 * include/bits/move.h (swap): Remove extra parentheses.
825 * include/experimental/bits/lfts_config.h: Improve doc markup.
826 * include/experimental/optional: Improve docs.
827 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
828 (__constexpr_addressof): Remove.
829 (optional::operator->()): Use std::__addressof().
830 * include/std/optional (optional::operator->()): Adjust whitespace.
831 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
832 that operator-> is still constexpr with overloaded operator&. Change
833 to compile-only test.
834 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
837 * include/bits/shared_ptr.h: Improve docs.
838 * include/bits/shared_ptr_atomic.h: Likewise.
839 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
841 * include/bits/basic_string.h: Fix iterator/index confusion in
843 * include/bits/range_access.h: Fix Doxygen warnings.
844 * include/bits/refwrap.h: Do not document implementation details.
845 (ref, cref): Group docs with reference_wrapper.
846 * include/std/fstream: Fix Doxygen markup.
847 * libsupc++/initializer_list (begin, end): Group docs with
850 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
852 * include/bits/unique_lock.h: Fix/improve doxygen markup.
853 * include/std/mutex: Likewise.
854 * include/std/shared_mutex: Likewise.
856 * include/bits/fs_dir.h: Fix/improve doxygen markup.
857 * include/bits/fs_fwd.h: Likewise.
858 * include/bits/fs_ops.h: Likewise.
859 * include/bits/fs_path.h: Likewise.
860 * include/std/filesystem: Likewise.
862 * include/experimental/bits/net.h: Fix/improve doxygen markup.
863 * include/experimental/buffer: Likewise.
864 * include/experimental/executor: Likewise.
865 * include/experimental/internet: Likewise.
866 * include/experimental/io_context: Likewise.
867 * include/experimental/net: Likewise.
868 * include/experimental/netfwd: Likewise.
869 * include/experimental/socket: Likewise.
870 * include/experimental/timer: Likewise.
872 * doc/doxygen/doxygroups.cc: Move description of experimental group
874 * include/experimental/algorithm: Add to libfund-ts doc group.
875 * include/experimental/any: Likewise. Do not document implementation
877 * include/experimental/array: Add to libfund-ts doc group.
878 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
879 for Library Fundamentals.
880 * include/experimental/chrono: Add to libfund-ts doc group.
881 * include/experimental/deque: Likewise.
882 * include/experimental/forward_list: Likewise.
883 * include/experimental/functional: Likewise.
884 * include/experimental/iterator: Likewise.
885 * include/experimental/list: Likewise.
886 * include/experimental/map: Likewise.
887 * include/experimental/memory: Likewise.
888 * include/experimental/memory_resource: Likewise. Improve docs.
890 * include/experimental/numeric: Add to libfund-ts doc group.
891 * include/experimental/optional: Likewise.
892 * include/experimental/propagate_const: Likewise.
893 * include/experimental/random: Likewise.
894 * include/experimental/ratio: Likewise.
895 * include/experimental/regex: Likewise.
896 * include/experimental/set: Likewise.
897 * include/experimental/source_location: Likewise.
898 * include/experimental/string: Likewise.
899 * include/experimental/string_view: Likewise.
900 * include/experimental/system_error: Likewise.
901 * include/experimental/tuple: Likewise.
902 * include/experimental/type_traits: Likewise.
903 * include/experimental/unordered_map: Likewise.
904 * include/experimental/unordered_set: Likewise.
905 * include/experimental/utility: Likewise.
906 * include/experimental/vector: Likewise.
907 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
908 * testsuite/experimental/array/neg.cc: Adjust dg-error.
909 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
911 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
912 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
913 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
914 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
915 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
917 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
918 * include/experimental/bits/fs_fwd.h: Improve docs.
919 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
920 * include/experimental/bits/fs_path.h: Likewise.
921 (path, filesystem_error, u8path): Improve docs.
922 * include/experimental/filesystem: Link to docs for TS.
924 * config/allocator/new_allocator_base.h (__allocator_base): Add
925 workaround for Doxygen bug #6945.
926 * include/std/memory: Improve docs. Define group for pointer safety.
927 * include/std/scoped_allocator: Improve docs. Use "undocumented"
928 conditional to suppress documentation for implementation details.
930 * include/bits/specfun.h: Improve docs.
931 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
934 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
935 (std::experimental): Add docs.
936 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
937 namespace to nothing when generating docs.
938 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
939 * include/std/chrono (std::chrono): Likewise.
940 * include/std/functional (std::placeholders): Likewise.
941 * include/std/thread (std::this_thread): Likewise.
943 * include/parallel/settings.h: Fix Doxygen markup.
945 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
946 anything unless PB_DS_CLASS_C_DEC is defined.
947 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
948 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
949 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
950 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
951 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
952 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
953 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
955 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
956 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
957 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
958 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
959 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
960 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
961 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
962 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
963 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
964 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
965 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
967 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
968 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
970 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
973 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
974 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
975 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
978 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
980 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
981 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
982 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
983 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
984 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
985 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
987 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
988 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
991 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
994 * include/std/complex (__complex_proj): Return parameter unchanged.
995 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
996 floating-point types to take std::complex arguments.
997 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
998 floating-point types.
999 * testsuite/26_numerics/complex/proj.cc: New test.
1001 2019-04-30 Jakub Jelinek <jakub@redhat.com>
1003 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
1004 to _Lock_policyE[012].
1005 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
1007 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
1009 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
1010 macros accidentally left in.
1011 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
1012 unnecessary -lstdc++fs option. Fix test for mingw.
1013 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
1016 2019-04-30 Jakub Jelinek <jakub@redhat.com>
1018 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
1020 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
1022 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
1024 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
1025 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
1028 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
1030 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
1033 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
1034 class template and partial specialization.
1037 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
1039 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
1040 functions to convert a value to an integral type.
1041 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
1042 (fill_n): Convert _Size parameter to an integral type.
1043 * testsuite/25_algorithms/fill_n/87982.cc: New test.
1044 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
1045 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
1046 * testsuite/25_algorithms/generate_n/87982.cc: New test.
1047 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
1048 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
1050 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
1052 Adding noexcept-specification on tuple constructors (LWG 2899)
1053 * libstdc++-v3/include/std/tuple:
1054 (tuple()): Add noexcept-specification.
1055 (tuple(const _Elements&...)): Likewise
1056 (tuple(_UElements&&...)): Likewise
1057 (tuple(const tuple<_UElements...>&)): Likewise
1058 (tuple(tuple<_UElements...>&&)): Likewise
1059 (tuple(const _T1&, const _T2&)): Likewise
1060 (tuple(_U1&&, _U2&&)): Likewise
1061 (tuple(const tuple<_U1, _U2>&): Likewise
1062 (tuple(tuple<_U1, _U2>&&): Likewise
1063 (tuple(const pair<_U1, _U2>&): Likewise
1064 (tuple(pair<_U1, _U2>&&): Likewise
1065 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
1067 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
1070 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
1071 arguments with __restrict.
1073 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
1075 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
1077 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
1079 * include/experimental/bits/fs_path.h
1080 (path::_S_convert_loc<_InputIterator>): Create const std::string to
1081 avoid redundant call to _S_convert_loc with non-const pointers.
1083 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
1084 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
1085 * testsuite/21_strings/basic_string/hash/hash.cc
1086 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
1087 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
1088 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
1090 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
1091 wstring::_M_replace_dispatch with more specific patterns.
1092 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
1093 Create const std::string to avoid redundant call to _S_convert_loc
1094 with non-const pointers.
1095 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
1096 avoid unnecessary basic_string::assign instantiations.
1098 * include/std/memory (__uses_alloc_args): Add string-literal to
1099 static_assert, to match the one in __uses_alloc.
1100 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
1101 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
1102 for recursive uses-allocator construction of nested pairs.
1103 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
1106 2019-04-26 Jakub Jelinek <jakub@redhat.com>
1108 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1109 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1110 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1111 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1113 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1114 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1115 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1116 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1117 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1118 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1119 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1121 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
1124 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
1125 * include/std/scoped_allocator [__cplusplus > 201703L]
1126 (scoped_allocator_adaptor::construct): Define in terms of
1127 uses_allocator_construction_args, as per P0591R4.
1128 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
1129 * testsuite/util/testsuite_allocator.h: Remove name of unused
1132 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
1134 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
1135 * doc/html/*: Regenerate.
1137 * include/bits/fs_path.h (operator<, operator<=, operator>)
1138 (operator>=, operator==, operator!=): Make hidden friends, as per
1140 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
1141 string type in test.
1142 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
1144 * include/std/any (any::any(ValueType&&)): Use __and_v.
1145 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
1148 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
1150 * include/std/type_traits (__result_of_memfun): Use remove_reference
1151 instead of __remove_cvref_t and remove redundant is_same check.
1152 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
1154 * include/experimental/string_view (basic_string_view::pointer)
1155 (basic_string_view::reference): Fix to refer to non-const value_type.
1156 * include/bits/basic_string.h (basic_string): Use __sv_check and
1157 __sv_limit instead of basic_string_view::_M_check and
1158 basic_string_view::_M_limit.
1159 * include/std/string_view (__sv_check, __sv_limit): New
1160 helper functions to replace basic_string_view::_M_check and
1161 basic_string_view::_M_limit.
1162 (basic_string_view): Add static assertions to enforce ill-formed
1163 requirement for traits_type::char_type from P1148R0, and to enforce
1164 required properties of char-like types.
1165 (basic_string_view::pointer, basic_string_view::reference): Fix to
1166 refer to non-const value_type.
1167 (basic_string_view::operator[], basic_string_view::at)
1168 (basic_string_view::front, basic_string_view::back)
1169 (basic_string_view::data): Use const_reference and const_pointer
1170 typedefs for return types.
1171 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
1172 (hash<wstring_view>): Fix argument_type typedef.
1173 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1174 char/1.cc: Fix expected return type of basic_string_view::data().
1175 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1176 wchar_t/1.cc: Likewise.
1177 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1178 char/1.cc: Likewise.
1179 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1180 wchar_t/1.cc: Likewise.
1181 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
1183 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
1184 Check reference and pointer typedefs.
1185 * testsuite/experimental/string_view/requirements/typedefs.cc:
1187 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
1188 Fix expected return type of basic_string_view::data().
1189 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
1191 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
1193 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
1197 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
1198 Avoid a runtime check for types that can never be stored in std::any.
1199 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
1202 PR libstdc++/90220 (partial)
1203 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
1204 not attempt ill-formed static_cast to pointers to non-object types.
1205 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
1208 * testsuite/20_util/variant/run.cc: Catch exception by reference to
1209 prevent -Wcatch-value warning.
1211 * include/std/variant (__variant_construct): Use template parameter
1212 type instead of equivalent decltype-specifier.
1213 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
1214 Replace forward with move.
1215 (_Move_ctor_base<false, Types...>::_M_destructive_move)
1216 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
1217 (_Move_ctor_base<true, Types...>::_M_destructive_move)
1218 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
1219 index after construction succeeds.
1220 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
1221 if-constexpr checks that are always true. Use __remove_cvref_t instead
1222 of remove_reference so that is_nothrow_move_constructible check
1223 doesn't use a const rvalue parameter. In the potentially-throwing case
1224 construct a temporary and move assign it, as per LWG 2904.
1225 (_Move_assign_base<false, Types...>::operator=): Remove redundant
1226 if-constexpr checks that are always true. Use emplace as per LWG 2904.
1227 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
1228 construct a temporary and move assign from it, as per LWG 2904.
1229 * testsuite/20_util/variant/exception_safety.cc: Check that
1230 assignment operators have strong exception safety guarantee.
1232 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
1234 Document PSTL linker flags
1236 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
1238 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
1240 * include/std/variant (__detail::__variant::_Traits): Make
1241 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
1242 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
1244 (__detail::__variant::_Copy_assign_alias): Only depend on
1245 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
1246 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
1247 move assignment operators.
1250 * include/std/variant (variant::__not_self): New helper for the
1251 is_same_v<remove_cvref_t<T>, variant>==false constraints.
1252 (variant::__to_type_impl): Remove.
1253 (variant::__to_type): Add default argument to check pack size, instead
1254 of using __to_type_impl.
1255 (variant::__accepted_type): Add default argument using __not_self.
1256 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
1257 for variant(T&&) constructor constraint.
1258 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
1259 Extract __accepted_type into a named template parameter for reuse in
1260 other constraints and in the exception specification.
1261 (variant::variant(in_place_type_t<T>, Args&&...))
1262 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
1263 (variant::variant(in_place_index_t<T>, Args&&...))
1264 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
1265 (variant::operator=T&&)): Remove redundant && from trait arguments.
1266 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
1267 isn't used for in_place_type or in_place_index arguments.
1269 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
1270 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
1271 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
1273 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1274 Bernd Edlinger <bernd.edlinger@hotmail.de>
1275 Jakub Jelinek <jakub@redhat.com>
1278 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
1279 general-regs-only target attribute for ARM.
1281 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
1284 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
1285 specialization also depend on is_nothrow_move_constructible.
1286 * include/std/variant (__detail::__variant::__never_valueless()):
1287 Only true if the variant would have a move assignment operator.
1288 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
1289 Check __never_valueless<T...>().
1290 (variant::emplace): Only perform non-throwing move assignments
1291 for never-valueless alternatives if the variant has a move assignment
1293 * testsuite/20_util/variant/compile.cc: Check that never-valueless
1294 types can be emplaced into non-assignable variants.
1295 * testsuite/20_util/variant/run.cc: Check that never-valueless types
1296 don't get copied when emplaced into non-assignable variants.
1298 * include/std/variant (__detail::__variant::__ref_cast): Remove
1300 (__detail::__variant::_Uninitialized::_M_get)
1301 (__detail::__variant::__get)
1302 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
1304 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
1306 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
1308 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
1309 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
1310 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
1311 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
1313 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
1315 Delegate PSTL configuration to pstl/pstl_config.h
1317 * include/bits/c++config: Remove explicit PSTL configuration
1318 macros and use definitions from <pstl/pstl_config.h>.
1320 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
1322 Cleanup algorithm implementations
1323 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
1325 (mismatch): Forward execution policy.
1326 (equal): Qualify call to std::equal().
1327 (partial_sort): Forward execution policy.
1328 (inplace_merge): Forward execution policy.
1330 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
1332 Improve implementation of parallel equal()
1333 * include/pstl/algorithm_impl.h
1334 (__internal::__brick_equal): use "4 iterator" version of
1336 (__internal::__brick_equal): use simd for random access
1337 iterators on unsequenced execution policies.
1338 (__internal::__pattern_equal): add "4 iterator" version
1339 (__internal::__pattern_equal): dispatch to simd __brick_equal
1340 for vector-only execution policies.
1341 (__internal::__pattern_equal): dispatch to __parallel_or for
1342 parallel execution policies.
1343 * include/pstl/glue_algorithm_impl.h
1344 (std::equal): dispatch to "4 iterator" version of
1345 __internal::__pattern_equal().
1347 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
1350 * include/bits/forward_list.h (operator==): Do not use operator!= to
1352 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
1353 earlier in the list, so that sort is stable.
1354 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
1355 * testsuite/23_containers/forward_list/comparable.cc: Test with
1356 types that meet the minimum EqualityComparable and LessThanComparable
1357 requirements. Remove irrelevant comment.
1359 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
1360 Do not depend on whether all alternative types are move constructible.
1361 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
1362 from the operand when deciding whether to perform the assignment.
1363 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
1364 with deleted move constructor and deleted move assignment operator.
1365 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
1366 behaviour of variants with DeletedMoves as an alternative.
1367 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
1368 (move_ctor, move_assign): Check that moving a variant with a
1369 DeletedMoves alternative falls back to copying instead of moving.
1371 * testsuite/20_util/variant/compile.cc: Remove empty string literals
1372 from static_assert declarations.
1374 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
1375 actually match its name.
1376 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
1377 (test_swap()): Fix result for MoveCtorOnly and check
1378 MoveCtorAndSwapOnly.
1380 * include/std/optional (optional::value_or(U&&) &&): Add missing
1381 constexpr specifier.
1382 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
1383 for disengaged optionals and rvalue optionals.
1384 * testsuite/20_util/optional/observers/4.cc: Likewise.
1386 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
1388 * include/pstl/algorithm_impl.h: Uglify identfiers.
1389 * include/pstl/numeric_impl.h: Uglify identfiers.
1390 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
1392 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
1394 * include/bits/c++config:
1395 Add definition for __PSTL_ASSERT.
1396 Add definition for __PSTL_ASSERT_MSG.
1397 * include/pstl/algorithm_impl.h: Replace use of assert().
1398 * include/pstl/numeric_impl.h: Replace use of assert().
1399 * include/pstl/parallel_backend_tbb.h:
1400 Replace use of assert().
1401 Replace use of __TBB_ASSERT().
1402 * include/pstl/parallel_backend_utils.h: Replace use of assert().
1404 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
1407 * src/c++17/memory_resource.cc
1408 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
1409 needed to allow placing a _Chunk at the end of the buffer.
1410 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
1412 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
1414 * doc/xml/faq.xml: Add information about emergency EH pool.
1415 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
1416 Move outdated information on mt_allocator to a separate section.
1417 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
1418 doesn't affect the default allocator.
1420 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
1424 * testsuite/20_util/variant/89851.cc: New test.
1426 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
1428 * include/std/variant: Adjust whitespace. Add comments.
1429 (_Multi_array): Leave primary template undefined.
1430 (_Multi_array<_Tp>): Define partial specialization for base case of
1432 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
1433 which is always a reference.
1434 (__gen_vtable::_S_apply()): Remove function, inline body into
1435 default member initializer.
1436 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
1438 * include/std/variant (__variant_idx_cookie): Add member type.
1439 (__visitor_result_type): Remove.
1440 (__do_visit): Use invoke_result instead of __visitor_result_type.
1441 * testsuite/20_util/variant/visit.cc: New test.
1444 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
1446 * testsuite/20_util/variant/90008.cc: New test.
1448 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
1450 * include/pstl/algorithm_impl.h: Add namespace qualification.
1451 * include/pstl/execution_defs.h: Add namespace qualification.
1452 * include/pstl/execution_impl.h: Add namespace qualification.
1453 * include/pstl/numeric_impl.h: Add namespace qualification.
1454 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
1455 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
1456 * include/pstl/parallel_backend_utils.h: Include <cassert>.
1458 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
1460 Fix visit<R> for variant.
1461 * include/std/variant (__do_visit): Add a template parameter
1462 for enforcing same return types for visit.
1463 (__gen_vtable_impl): Likewise.
1464 (_S_apply_single_alt): Adjust.
1465 (__visit_invoke_impl): New. Handle casting to void.
1466 (__do_visit_invoke): New. Enforces same return types.
1467 (__do_visit_invoke_r): New. Converts return types.
1468 (__visit_invoke): Adjust.
1469 (__gen_vtable): Add a template parameter for enforcing
1470 same return types for visit.
1471 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
1472 different return types.
1473 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
1474 visitors with different return types don't accidentally
1475 compile with regular visitation.
1477 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
1479 * testsuite/27_io/filesystem/iterators/caching.cc: Add
1480 dg-require-filesystem-ts.
1482 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
1484 * doc/xml/manual/status_cxx2020.xml: Update status.
1485 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
1486 * testsuite/20_util/variant/visit_r.cc: New test.
1488 * include/bits/fs_dir.h (directory_iterator::operator*)
1489 (directory_iterator::operator->): Add noexcept.
1490 (operator==, operator!=): Replace namespace-scope equality operators
1491 for directory iterators with hidden friends.
1494 * config/abi/pre/gnu.ver: Add missing exports.
1495 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
1498 * config/abi/pre/gnu.ver: Export new symbols.
1499 * include/bits/fs_dir.h (recursive_directory_iterator::options())
1500 (recursive_directory_iterator::recursion_pending())
1501 (recursive_directory_iterator::disable_recursion_pending()): Remove
1502 inline definitions. Make noexcept.
1503 (recursive_directory_iterator::depth())
1504 (recursive_directory_iterator::operator*())
1505 (recursive_directory_iterator::operator->()): Make noexcept.
1506 (recursive_directory_iterator::_M_options)
1507 (recursive_directory_iterator::_M_pending): Remove data members.
1508 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
1509 (recursive_directory_iterator::recursive_directory_iterator): Remove
1510 ctor-initializer. Use new constructor for _Dir_stack.
1511 (recursive_directory_iterator::options())
1512 (recursive_directory_iterator::recursion_pending())
1513 (recursive_directory_iterator::disable_recursion_pending()): Add
1514 non-inline definitions.
1515 (recursive_directory_iterator::depth()): Make noexcept.
1516 (recursive_directory_iterator::increment(error_code&))
1517 (recursive_directory_iterator::pop(error_code&)): Adjust to new
1518 location of options and recursion_pending members.
1519 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
1520 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
1521 user-declared move constructor and assignment operator, to make the
1524 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
1525 d_type == DT_UNKNOWN immediately.
1526 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
1528 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
1530 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
1532 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
1533 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
1536 PR libstdc++/87431 (again)
1537 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
1538 Define partial specialization for basic_string.
1539 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
1540 shared_ptr and weak_ptr.
1541 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
1543 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
1545 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
1547 * include/debug/vector (_Never_valueless_alt): Likewise for debug
1549 * include/std/any (_Never_valueless_alt): Define explicit
1550 specialization for any.
1551 * include/std/variant (_Never_valueless_alt): Define primary template.
1552 (__never_valueless): Use _Never_valueless_alt instead of
1553 is_trivially_copyable.
1554 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
1555 initializations to avoid try-catch overhead. Add special case for
1556 scalars produced by potentially-throwing conversions. Use
1557 _Never_valueless_alt instead of is_trivially_copyable for the
1558 remaining strong exception-safety cases.
1559 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
1560 * testsuite/20_util/variant/87431.cc: Run both test functions.
1561 * testsuite/20_util/variant/exception_safety.cc: New test.
1562 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
1563 so the variant becomes valueless.
1565 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
1568 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
1570 (variant::emplace<_Tp>): Return result of emplace<N> directly.
1572 * include/std/string (__hash_string_base): New class template defining
1573 operator() for hashing strings.
1574 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
1575 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
1576 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
1577 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
1579 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
1581 Use single-visitation in variant assignment and swap and relops.
1582 Also use indices instead of types when checking whether
1583 variants hold the same thing.
1584 * include/std/variant (__do_visit): Add a template parameter
1585 for index visitation, invoke with indices if index visitation
1587 (__variant_idx_cookie): New.
1588 (__visit_with_index): Likewise.
1589 (_Copy_assign_base::operator=): Do single-visitation with
1591 (_Move_assign_base::operator=): Likewise.
1592 (_Extra_visit_slot_needed): Adjust.
1593 (__visit_invoke): Call with indices if it's an index visitor.
1594 (relops): Do single-visitation with an index visitor.
1596 (__visitor_result_type): New.
1598 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
1600 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
1602 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
1604 Don't revisit a variant we are already visiting.
1605 * include/std/variant (__variant_construct_single): New.
1606 (__variant_construct): Use it.
1607 (_M_destructive_move): Likewise.
1608 (_M_destructive_copy): Likewise.
1609 (_Copy_assign_base::operator=): Adjust.
1610 (_Move_assign_base::operator=): Likewise.
1613 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
1616 * include/bits/hashtable.h (_Hashtable): Move static assertions to
1617 destructor so they are not evaluated until the _Key type is complete.
1618 * include/bits/stl_tree.h (_Rb_tree): Likewise.
1619 * testsuite/23_containers/set/85965.cc: New test.
1620 * testsuite/23_containers/unordered_set/85965.cc: New test.
1621 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
1622 with regexp matching the corresponding _Rb_tree specialization.
1623 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
1624 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
1625 * testsuite/23_containers/set/48101_neg.cc: Likewise.
1626 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
1627 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
1628 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
1629 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
1631 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1634 Fix based on a suggestion by Antony Polukhin.
1635 * include/std/variant (__never_valueless): New.
1637 (_Extra_visit_slot_needed): New.
1638 (_Multi_array): Use it.
1639 (_S_apply_all_alts): Likewise.
1641 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1644 Fix based on a suggestion by Antony Polukhin.
1645 * include/std/variant (__gen_vtable): Don't reserve an
1646 additional table slot, _Multi_array already does that.
1648 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1651 Fix based on a suggestion by Antony Polukhin.
1652 * include/std/variant (__variant_construct): Capture a pointer
1653 to the storage and visit just one variant.
1655 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
1657 * doc/xml/manual/backwards_compatibility.xml: Remove link to
1658 Doxygen-generated pages with unstable URL.
1659 * doc/xml/manual/concurrency_extensions.xml: Likewise.
1660 * doc/xml/manual/extensions.xml: Likewise.
1661 * doc/xml/manual/parallel_mode.xml: Likewise.
1662 * doc/xml/manual/support.xml: Likewise.
1664 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
1665 avoid -Wconversion warnings.
1667 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
1669 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
1670 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
1671 (allstamped): Add stamp-pstl.
1672 (install-headers): Add ptsl_builddir.
1673 * include/Makefile.in: Regenerate.
1674 * include/bits/c++config: Add pstl configuration.
1675 * include/pstl/LICENSE.txt: New file.
1676 * include/pstl/algorithm_fwd.h: New file.
1677 * include/pstl/algorithm_impl.h: New file.
1678 * include/pstl/execution_defs.h: New file.
1679 * include/pstl/execution_impl.h: New file.
1680 * include/pstl/glue_algorithm_defs.h: New file.
1681 * include/pstl/glue_algorithm_impl.h: New file.
1682 * include/pstl/glue_execution_defs.h: New file.
1683 * include/pstl/glue_memory_defs.h: New file.
1684 * include/pstl/glue_memory_impl.h: New file.
1685 * include/pstl/glue_numeric_defs.h: New file.
1686 * include/pstl/glue_numeric_impl.h: New file.
1687 * include/pstl/memory_impl.h: New file.
1688 * include/pstl/numeric_fwd.h: New file.
1689 * include/pstl/numeric_impl.h: New file.
1690 * include/pstl/parallel_backend.h: New file.
1691 * include/pstl/parallel_backend_tbb.h: New file.
1692 * include/pstl/parallel_backend_utils.h: New file.
1693 * include/pstl/parallel_impl.h: New file.
1694 * include/pstl/pstl_config.h: New file.
1695 * include/pstl/unseq_backend_simd.h: New file.
1696 * include/pstl/utils.h: New file.
1697 * include/std/algorithm: Include parallel algorithm implementations.
1698 * include/std/execution: New file.
1699 * include/std/memory: Include parallel algorithm implementations.
1700 * include/std/numeric: Include parallel algorithm implementations.
1701 * include/std/version: Add parallel algorithms feature test macro.
1702 * testsuite/util/pstl/pstl_test_config.h: New file.
1703 * testsuite/util/pstl/test_utils.h: New file.
1704 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1705 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1706 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1707 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1708 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1709 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1710 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1711 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1712 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1713 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1714 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1715 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1716 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1717 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1718 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1719 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1720 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1721 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1722 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1723 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1724 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1725 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1726 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1727 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1728 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1729 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1730 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1731 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1732 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1733 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1734 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1735 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1736 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1737 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1738 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1739 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1740 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1741 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1742 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1743 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1744 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1745 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1746 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1747 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1748 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1749 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1750 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1751 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1752 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1753 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1754 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1755 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1756 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1757 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1758 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1759 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1760 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1761 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1762 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1763 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1764 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1765 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1766 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1767 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1768 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1769 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1770 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1771 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1772 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1773 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1774 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1775 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1776 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1777 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1778 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1779 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1780 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1781 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1782 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1783 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1784 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1785 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1786 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1787 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1788 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1789 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1790 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1791 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1792 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1793 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1794 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1795 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1796 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1797 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1798 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1799 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1800 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1801 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1802 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1803 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1804 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1805 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1806 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1807 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1808 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1809 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1811 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
1813 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
1814 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
1815 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
1816 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
1817 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
1818 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
1819 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
1820 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
1821 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
1822 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
1823 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
1824 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
1825 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
1826 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
1827 when the special functions IS is enabled, not for C++17.
1828 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
1830 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
1831 without checks for special functions in C++17.
1832 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
1836 * include/backward/hash_map: Use <> for includes not "".
1837 * include/backward/hash_set: Likewise.
1838 * include/backward/strstream: Likewise.
1839 * include/tr1/bessel_function.tcc: Likewise.
1840 * include/tr1/exp_integral.tcc: Likewise.
1841 * include/tr1/legendre_function.tcc: Likewise.
1842 * include/tr1/modified_bessel_func.tcc: Likewise.
1843 * include/tr1/riemann_zeta.tcc: Likewise.
1845 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
1847 * doc/xml/manual/allocator.xml: Link to table documenting evolution
1848 of extension allocators.
1849 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
1850 Document new headers in 7.2, 8.1 and 9.1 releases.
1851 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
1852 * doc/html/*: Regenerate.
1854 2019-03-12 John David Anglin <dave.anglin@bell.net>
1857 * testsuite/lib/libstdc++.exp: Locate libatomic.
1858 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
1859 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
1861 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1862 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
1863 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
1864 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
1866 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
1869 * configure.ac: Check for sockatmark.
1870 * crossconfig.m4: Check for sockatmark.
1871 * config.h.in: Regenerate.
1872 * configure: Regenerate.
1873 * include/experimental/internet (address_v4::_S_hton): Rename
1874 overloaded functions to _S_hton_16 and _S_ntoh_16.
1875 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
1876 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
1877 * include/experimental/socket (basic_socket::at_mark): Check
1878 _GLIBCXX_HAVE_SOCKATMARK.
1880 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
1881 const variables instead of macros.
1884 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
1885 Use correct type for len_aligned.
1886 * testsuite/20_util/hash/89629.cc: New test.
1888 2019-03-11 Jakub Jelinek <jakub@redhat.com>
1891 * include/std/atomic (atomic<T>::store, atomic<T>::load,
1892 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
1893 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
1894 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
1895 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
1896 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
1897 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
1898 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
1899 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
1900 memory_order_seq_cst to int.
1902 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
1904 * doc/xml/manual/using.xml: Use link element instead of xref.
1905 * doc/html/*: Regenerate.
1907 * include/bits/fs_path.h (path::format): Add fixed underlying type.
1909 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
1912 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
1913 parameters in deduction guides.
1914 * include/debug/multimap.h (multimap): Likewise.
1915 * include/debug/set.h (multimap): Likewise.
1916 * include/debug/multiset.h (multimap): Likewise.
1917 * include/debug/unordered_map (unordered_map): Likewise.
1918 (unordered_multimap): Likewise.
1919 * include/debug/unordered_set (unordered_set): Likewise.
1920 (unordered_multiset): Likewise.
1923 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
1924 Invalidate all iterators in case of rehash.
1925 (unordered_multimap<>::_M_check_rehashed): Likewise.
1926 * include/debug/unordered_set
1927 (unordered_set<>::_M_check_rehashed): Likewise.
1928 (unordered_multiset<>::_M_check_rehashed): Likewise.
1929 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
1931 2019-03-07 Andreas Schwab <schwab@suse.de>
1933 * config/abi/post/riscv64-linux-gnu: New directory.
1934 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
1936 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
1938 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
1939 compile test to run. Fix typo.
1941 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
1942 * doc/html/*: Regenerate.
1944 P0356R5 Simplified partial function application
1945 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
1946 helpers for bind_front.
1947 (bind_front, __cpp_lib_bind_front): Define.
1948 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
1950 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1952 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
1953 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
1954 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
1955 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1957 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
1959 PR libstdc++/86655 - std::assoc_legendre should not constrain
1960 the value of m (or x).
1961 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
1962 __sph_legendre): If degree > order Don't throw, return 0.
1963 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
1964 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
1965 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
1966 * testsuite/tr1/5_numerical_facilities/special_functions/
1967 02_assoc_legendre/pr86655.cc: New test.
1968 * testsuite/tr1/5_numerical_facilities/special_functions/
1969 22_sph_legendre/pr86655.cc: New test.
1971 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
1974 Also PR libstdc++/85517
1975 * include/std/variant (__do_visit): New.
1976 (__variant_cast): Likewise.
1977 (__variant_cookie): Likewise.
1978 (__erased_*): Remove.
1979 (_Variant_storage::_S_vtable): Likewise.
1980 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
1981 (_Variant_storage::__M_reset): Adjust.
1982 (__variant_construct): New.
1983 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
1984 __variant_construct.
1985 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
1986 (_Move_ctor_base::__M_destructive_copy): New.
1987 (_Move_ctor_base::__M_destructive_move): Adjust to use
1988 __variant_construct.
1989 (_Copy_assign_base::operator=): Adjust to use __do_visit.
1990 (_Copy_assign_alias): Adjust to check both copy assignment
1991 and copy construction for triviality.
1992 (_Move_assign_base::operator=): Adjust to use __do_visit.
1993 (_Multi_array): Add support for visitors that accept and return
1995 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
1996 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
1997 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
1998 a __variant_cookie temporary for a variant that is valueless and..
1999 (__gen_vtable_impl::__visit_invoke): ..adjust here.
2000 (__gen_vtable::_Array_type): Conditionally make space for
2001 the __variant_cookie visitor case.
2002 (__variant_construct_by_index): New.
2003 (get_if): Adjust to use std::addressof.
2004 (relops): Adjust to use __do_visit.
2005 (variant): Add __variant_cast and __variant_construct_by_index
2007 (variant::emplace): Use _M_reset() and __variant_construct_by_index
2008 instead of self-destruction.
2009 (variant::swap): Adjust to use __do_visit.
2010 (visit): Reimplement in terms of __do_visit.
2011 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
2012 * testsuite/20_util/variant/compile.cc: Adjust.
2013 * testsuite/20_util/variant/run.cc: Likewise.
2015 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
2017 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
2019 * testsuite/experimental/feat-char8_t.cc: Likewise.
2021 * include/std/type_traits [C++20] (is_bounded_array)
2022 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
2024 * testsuite/20_util/is_bounded_array/requirements/
2025 explicit_instantiation.cc: New test.
2026 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
2028 * testsuite/20_util/is_bounded_array/value.cc: New test.
2029 * testsuite/20_util/is_unbounded_array/requirements/
2030 explicit_instantiation.cc: New test.
2031 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
2033 * testsuite/20_util/is_unbounded_array/value.cc: New test.
2035 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
2037 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
2039 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
2041 * include/c_compatibility/math.h [C++20] (lerp): Add using
2043 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
2044 (__lerp): Define function template to implement lerp.
2045 (lerp(float, float, float), lerp(double, double, double))
2046 (lerp(long double, long double, long double)): Define for C++20.
2047 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
2048 (midpoint(T, T), midpoint(T*, T*)): Define.
2049 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
2050 * testsuite/26_numerics/lerp.cc: New test.
2051 * testsuite/26_numerics/midpoint/floating.cc: New test.
2052 * testsuite/26_numerics/midpoint/integral.cc: New test.
2053 * testsuite/26_numerics/midpoint/pointer.cc: New test.
2055 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
2057 PR libstdc++/88996 Implement P0439R0
2058 Make std::memory_order a scoped enumeration.
2059 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
2060 add variables for the old enumerators. Adjust calls.
2061 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
2062 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
2064 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
2066 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
2069 * include/std/memory_resource (polymorphic_allocator): Add default
2070 template argument for C++20.
2071 (polymorphic_allocator::allocate_bytes)
2072 (polymorphic_allocator::deallocate_bytes)
2073 (polymorphic_allocator::allocate_object)
2074 (polymorphic_allocator::deallocate_object)
2075 (polymorphic_allocator::new_object)
2076 (polymorphic_allocator::delete_object): New member functions for
2078 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
2081 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
2084 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
2087 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
2089 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
2090 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
2092 * include/std/memory (uses_allocator_construction_args): New set of
2093 overloaded functions.
2094 (make_obj_using_allocator, uninitialized_construct_using_allocator):
2096 * include/std/memory_resource (polymorphic_allocator::construct)
2097 [__cplusplus > 201703l]: Replace all overloads with a single function
2098 using uses_allocator_construction_args.
2099 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
2101 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
2103 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
2106 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
2107 stylesheet directories before check for xsltproc. Try to use
2108 xmlcatalog to find local stylesheet directory before trying hardcoded
2109 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
2110 check to look for the same stylesheet as doc/Makefile.am uses. Don't
2111 use xsltproc if xmlcatalog fails to find a local stylesheet.
2112 * configure.ac: Check for xmlcatalog.
2113 * Makefile.in: Regenerate.
2114 * configure: Likewise.
2115 * doc/Makefile.in: Likewise.
2116 * include/Makefile.in: Likewise.
2117 * libsupc++/Makefile.in: Likewise.
2118 * po/Makefile.in: Likewise.
2119 * python/Makefile.in: Likewise.
2120 * src/Makefile.in: Likewise.
2121 * src/c++11/Makefile.in: Likewise.
2122 * src/c++17/Makefile.in: Likewise.
2123 * src/c++98/Makefile.in: Likewise.
2124 * src/filesystem/Makefile.in: Likewise.
2125 * testsuite/Makefile.in: Likewise.
2127 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
2130 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
2131 container deduction guides.
2132 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
2133 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
2134 parameters in deduction guides.
2135 * include/bits/stl_multimap.h (multimap): Likewise.
2136 * include/bits/stl_multiset.h (multiset): Likewise.
2137 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
2138 * include/bits/stl_set.h (set): Likewise.
2139 * include/bits/stl_stack.h (stack): Likewise.
2140 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
2141 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
2142 constrain parameters in deduction guides.
2143 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
2145 * testsuite/23_containers/map/cons/deduction.cc: Test additional
2147 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
2148 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
2149 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
2150 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
2152 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
2154 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
2157 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
2158 to class template and partial specialization using void_t.
2159 (__is_copy_insertable, __is_move_insertable): Adjust base class.
2161 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
2164 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
2165 copy and move members public.
2167 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
2169 * include/std/type_traits (__underlying_type_impl): New helper to
2170 make underlying_type SFINAE-friendly.
2171 (underlying_type): Derive from __underlying_type_impl.
2172 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
2176 * include/bits/char_traits.h (__constant_char_array): Check index is
2177 in range before dereferencing.
2178 (char_traits<char>::compare, char_traits<char>::find)
2179 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
2180 immediately if n is zero.
2181 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
2182 Remove workarounds for PR 67026.
2183 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
2185 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
2188 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
2190 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
2191 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
2193 2019-02-22 Jakub Jelinek <jakub@redhat.com>
2196 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
2197 type to std::size_t and argument to type to long double.
2199 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
2201 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
2202 * config/abi/post/sparc64-linux-gnu: New directory.
2203 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
2204 * config/abi/post/sparc64-linux-gnu/32: New directory.
2205 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
2207 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
2209 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
2210 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
2213 2019-02-22 Tom Honermann <tom@honermann.net>
2215 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
2216 printers for u8string and u8string_view.
2218 2019-02-22 Tom Honermann <tom@honermann.net>
2220 * testsuite/18_support/byte/ops.cc: Validate
2221 std::to_integer<char8_t>, std::to_integer<char16_t>, and
2222 std::to_integer<char32_t>.
2223 * testsuite/18_support/numeric_limits/dr559.cc: Validate
2224 std::numeric_limits<char8_t>.
2225 * testsuite/18_support/numeric_limits/lowest.cc: Validate
2226 std::numeric_limits<char8_t>::lowest().
2227 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
2228 std::numeric_limits<char8_t>::max_digits10.
2229 * testsuite/18_support/type_info/fundamental.cc: Validate
2230 typeinfo for char8_t.
2231 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
2232 std::from_chars with char8_t.
2233 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
2234 Validate explicit instantiation of std::hash<char8_t>.
2235 * testsuite/20_util/is_integral/value.cc: Validate
2236 std::is_integral<char8_t>.
2237 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
2238 Validate std::make_signed<char8_t>.
2239 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
2240 Validate u8string construction from char8_t sources.
2241 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
2243 * testsuite/21_strings/basic_string_view/operations/compare/
2244 char/70483.cc: Validate substr operations on u8string_view.
2245 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
2246 the u8string_view typedef is defined.
2247 * testsuite/21_strings/char_traits/requirements/
2248 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
2250 * testsuite/21_strings/char_traits/requirements/
2251 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
2252 constexpr member functions.
2253 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
2254 that the u8string typedef is defined.
2255 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
2256 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
2257 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
2258 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
2260 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
2261 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
2263 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
2264 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
2265 Validate std::atomic<char8_t>::is_always_lock_free
2266 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
2267 Update line numbers.
2268 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
2270 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
2272 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
2273 Validate std::experimental::pmr::u8string.
2274 * testsuite/experimental/string_view/typedefs.cc: Validate that the
2275 u8string_view typedef is defined.
2276 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
2277 char32_t to the typelists.
2279 2019-02-22 Tom Honermann <tom@honermann.net>
2281 * include/ext/typelist.h: Constrain a partial specialization of
2282 typelist::detail::append_ to only match chain<T1,T2>.
2284 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
2287 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
2288 class template with class. Replace move and copy member types with
2289 member alias templates, so they are only instantiated when needed.
2290 (__is_copy_insertable, __is_move_insertable): Adjust base class.
2291 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
2292 test for C++11/14/17 as well.
2293 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
2296 2019-02-20 Jakub Jelinek <jakub@redhat.com>
2299 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
2300 _GLIBCXX_PURE to the alias declaration.
2302 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
2304 * testsuite/21_strings/basic_string/literals/types.cc
2305 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
2306 * testsuite/21_strings/basic_string/literals/values.cc
2307 [_GLIBCXX_USE_CHAR8_T]: Likewise.
2308 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
2309 potentially having different type.
2310 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
2311 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
2313 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
2314 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
2315 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
2316 string literals only using basic character set.
2317 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
2318 u8 literals to char.
2319 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
2320 Test ATOMIC_CHAR8_T_LOCK_FREE.
2321 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
2322 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
2323 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
2324 * testsuite/experimental/string_view/literals/types.cc
2325 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
2327 * testsuite/experimental/string_view/literals/values.cc
2328 [_GLIBCXX_USE_CHAR8_T]: Likewise.
2330 2019-02-19 Tom Honermann <tom@honermann.net>
2332 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
2333 from char16_32_t.cc; validates numeric_limits<char8_t>.
2334 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
2335 test cloned from types.cc; validates operator""s for char8_t
2337 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
2338 test cloned from values.cc; validates construction and comparison
2340 * testsuite/21_strings/basic_string/requirements/
2341 /explicit_instantiation/char8_t/1.cc: New test cloned from
2342 char16_t/1.cc; validates explicit instantiation of
2343 basic_string<char8_t>.
2344 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
2345 New test cloned from types.cc; validates operator""sv for char8_t
2346 returns u8string_view.
2347 * testsuite/21_strings/basic_string_view/literals/
2348 values-char8_t.cc: New test cloned from values.cc; validates
2349 construction and comparison of u8string_view values.
2350 * testsuite/21_strings/basic_string_view/requirements/
2351 explicit_instantiation/char8_t/1.cc: New test cloned from
2352 char16_t/1.cc; validates explicit instantiation of
2353 basic_string_view<char8_t>.
2354 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
2355 New test cloned from char16_t/65049.cc; validates that
2356 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
2357 * testsuite/21_strings/char_traits/requirements/char8_t/
2358 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
2359 that char_traits<char8_t> member typedefs are present and correct.
2360 * testsuite/21_strings/char_traits/requirements/
2361 explicit_instantiation/char8_t/1.cc: New test cloned from
2362 char16_t/1.cc; validates explicit instantiation of
2363 char_traits<char8_t>.
2364 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
2365 from char16_t.cc: validates
2366 codecvt<char16_t, char8_t, mbstate_t>.
2367 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
2368 from char32_t.cc: validates
2369 codecvt<char32_t, char8_t, mbstate_t>.
2370 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
2371 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
2372 codecvt<char32_t, char8_t, std::mbstate_t>.
2373 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
2374 test cloned from string.cc; validates filesystem::path construction
2376 * testsuite/experimental/feat-char8_t.cc: New test; validates that
2377 the __cpp_lib_char8_t feature test macro is defined with the
2379 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
2380 New test cloned from string.cc; validates filesystem::path
2381 construction from char8_t input.
2382 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
2383 test cloned from types.cc; validates operator""sv for char8_t
2384 returns u8string_view.
2385 * testsuite/experimental/string_view/literals/values-char8_t.cc:
2386 New test cloned from values.cc; validates construction and
2387 comparison of u8string_view values.
2388 * testsuite/experimental/string_view/requirements/
2389 explicit_instantiation/char8_t/1.cc: New test cloned from
2390 char16_t/1.cc; validates explicit instantiation of
2391 basic_string_view<char8_t>.
2392 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
2393 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
2396 2019-02-19 Tom Honermann <tom@honermann.net>
2398 P0482R5 char8_t: Standard library support
2399 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
2400 typeinfo symbols for char8_t.
2401 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
2402 (GLIBCXX_3.4.26): Add symbols for specializations of
2403 numeric_limits and codecvt that involve char8_t.
2404 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
2405 * include/bits/atomic_base.h: Add atomic_char8_t.
2406 * include/bits/basic_string.h: Add std::hash<u8string> and
2407 operator""s(const char8_t*, size_t).
2408 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
2410 * include/bits/char_traits.h: Add char_traits<char8_t>.
2411 * include/bits/codecvt.h: Add
2412 codecvt<char16_t, char8_t, mbstate_t>,
2413 codecvt<char32_t, char8_t, mbstate_t>,
2414 codecvt_byname<char16_t, char8_t, mbstate_t>, and
2415 codecvt_byname<char32_t, char8_t, mbstate_t>.
2416 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
2417 recognize char8_t as an integral type.
2418 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
2420 (path::u8string): Return std::u8string when char8_t support is
2422 (path::generic_u8string): Likewise.
2423 (path::_S_convert): Handle conversion from char8_t input.
2424 (path::_S_str_convert): Likewise.
2425 * include/bits/functional_hash.h: Add hash<char8_t>.
2426 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
2428 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
2429 for new char8_t specializations.
2430 * include/bits/localefwd.h: Add missing declarations of
2431 codecvt<char16_t, char, mbstate_t> and
2432 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
2433 codecvt<char16_t, char8_t, mbstate_t> and
2434 codecvt<char32_t, char8_t, mbstate_t>.
2435 * include/bits/postypes.h: Add u8streampos
2436 * include/bits/stringfwd.h: Add declarations of
2437 char_traits<char8_t> and u8string.
2438 * include/c_global/cstddef: Add __byte_operand<char8_t>.
2439 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
2441 (path::u8string): Return std::u8string when char8_t support is
2443 (path::generic_u8string): Likewise.
2444 (path::_S_convert): Handle conversion from char8_t input.
2445 (path::_S_str_convert): Likewise.
2446 * include/experimental/string: Add u8string.
2447 * include/experimental/string_view: Add u8string_view,
2448 hash<experimental::u8string_view>, and
2449 operator""sv(const char8_t*, size_t).
2450 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
2451 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
2452 as a character type.
2453 * include/std/limits: Add numeric_limits<char8_t>.
2454 * include/std/string_view: Add u8string_view,
2455 hash<experimental::u8string_view>, and
2456 operator""sv(const char8_t*, size_t).
2457 * include/std/type_traits: Add __is_integral_helper<char8_t>,
2458 __make_unsigned<char8_t>, and __make_signed<char8_t>.
2459 * libsupc++/atomic_lockfree_defines.h: Define
2460 ATOMIC_CHAR8_T_LOCK_FREE.
2461 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
2462 codecvt.cc and limits.cc so that char8_t specializations of
2463 numeric_limits and codecvt and emitted.
2464 * src/c++11/Makefile.in: Likewise.
2465 * src/c++11/codecvt.cc: Define members of
2466 codecvt<char16_t, char8_t, mbstate_t>,
2467 codecvt<char32_t, char8_t, mbstate_t>,
2468 codecvt_byname<char16_t, char8_t, mbstate_t>, and
2469 codecvt_byname<char32_t, char8_t, mbstate_t>.
2470 * src/c++11/limits.cc: Define members of
2471 numeric_limits<char8_t>.
2472 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
2473 locale_init.cc and localename.cc.
2474 * src/c++98/Makefile.in: Likewise.
2475 * src/c++98/locale_init.cc: Add initialization for the
2476 codecvt<char16_t, char8_t, mbstate_t> and
2477 codecvt<char32_t, char8_t, mbstate_t> facets.
2478 * src/c++98/localename.cc: Likewise.
2479 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
2481 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
2483 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
2484 * 27_io/filesystem/operations/resize_file.cc: Likewise.
2485 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
2487 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
2489 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
2490 * doc/html/*: Regenerate.
2492 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
2493 * doc/html/*: Regenerate.
2495 * doc/xml/manual/intro.xml: Document LWG 2586 status.
2496 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
2497 allocator type in is_constructible checks.
2498 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
2499 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
2500 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
2501 problematic type from LWG 2586 discussion.
2502 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
2503 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
2505 * configure.ac: Check for C11 timespec_get function.
2506 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
2508 * config.h.in: Regenerate.
2509 * configure: Regenerate.
2510 * include/c_global/ctime (timespec, timespec_get): Add to namespace
2511 std for C++17 and up.
2513 * doc/xml/manual/intro.xml: Document LWG 2537 status.
2514 * include/bits/stl_queue.h
2515 (priority_queue(const Compare&, const Container&, const Alloc&))
2516 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
2518 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
2520 * doc/xml/manual/intro.xml: Document LWG 2566 status.
2521 * include/bits/stl_queue.h (queue, priority_queue): Add static
2522 assertions to enforce LWG 2566 requirement on value_type.
2523 * include/bits/stl_stack.h (stack): Likewise.
2526 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
2528 * doc/xml/manual/intro.xml: Document LWG 2735 status.
2529 * include/bits/std_abs.h: Add comment about LWG 2735.
2530 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
2532 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
2535 * include/std/version [__cpp_impl_destroying_delete]
2536 (__cpp_lib_destroying_delete): Only define for C++2a and later.
2537 * libsupc++/new [__cpp_impl_destroying_delete]
2538 (__cpp_lib_destroying_delete): Likewise.
2539 (destroying_delete_t, destroying_delete): Likewise, but define even
2540 when __cpp_impl_destroying_delete is not defined.
2541 * testsuite/18_support/destroying_delete.cc: New test.
2543 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
2546 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
2547 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
2548 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
2549 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
2551 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
2554 * include/bits/fs_path.h (path::has_root_name)
2555 (path::has_root_directory, path::has_root_path)
2556 (path::has_relative_path, path::has_parent_path)
2557 (path::has_filename, path::has_stem, path::has_extension)
2558 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
2560 * src/c++17/fs_path.cc (path::has_root_name)
2561 (path::has_root_directory, path::has_root_path)
2562 (path::has_relative_path, path::has_parent_path)
2563 (path::has_filename, path::_M_find_extension): Add noexcept.
2565 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
2567 PR libstdc++/89102 (partial)
2568 * include/std/type_traits (common_type<>): Define.
2569 (common_type<T>): Derive from common_type<T, T>.
2570 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
2571 Test zero-length template argument list.
2572 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
2573 Test additional single argument cases.
2574 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
2575 Adjust expected error.
2577 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
2580 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
2582 * include/bits/stl_stack.h (stack): Likewise.
2583 * testsuite/23_containers/priority_queue/deduction.cc: New test.
2584 * testsuite/23_containers/queue/deduction.cc: New test.
2585 * testsuite/23_containers/stack/deduction.cc: New test.
2588 * include/std/type_traits (__is_convertible_helper)
2589 (__is_convertible_helper<_From, _To, false>): Revert changes to
2590 support is_nothrow_convertible.
2591 (__is_nt_convertible_helper): New helper.
2592 (is_nothrow_convertible): Use __is_nt_convertible_helper.
2594 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
2595 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
2598 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
2599 __is_alloc_insertable_impl. Replace single type member with two
2600 members, one for each of copy and move insertable.
2601 (__is_move_insertable): New trait for internal use.
2602 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
2603 (vector::_S_nothrow_relocate(true_type)): New functions to
2604 conditionally check if __relocate_a can throw.
2605 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
2606 on __is_move_insertable.
2607 (vector::_S_do_relocate): New overloaded functions to conditionally
2609 (vector::_S_relocate): New function that dispatches to _S_do_relocate
2610 based on _S_use_relocate.
2611 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2612 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
2613 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
2616 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
2617 parameter unnamed. Add message to static assertion.
2618 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2619 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
2622 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
2625 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
2627 (__is_bitwise_relocatable): ... to this.
2628 (__relocate_a_1): Adapt.
2629 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
2630 (__is_bitwise_relocatable): ... to this.
2632 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
2635 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
2636 final component as well as from _M_pathname. Append the dot using
2637 operator+= instead of only to _M_pathname.
2638 (path::_M_find_extension): Reformat slightly.
2639 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
2640 Add more test cases.
2642 2019-01-30 Ulrich Drepper <drepper@redhat.com>
2644 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
2646 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
2648 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
2649 constexpr specifiers from arg and proj.
2651 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
2652 __shared_ptr instantiations used by gcc4-compatible ABI.
2654 * include/experimental/forward_list (experimental::erase): Qualify
2656 * include/experimental/list (experimental::erase): Likewise.
2657 * include/std/forward_list (std::erase): Likewise.
2658 * include/std/list (std::erase): Likewise.
2660 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
2662 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
2663 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
2664 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
2665 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
2666 * testsuite/ext/array_allocator/26875.cc: Likewise.
2667 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
2668 * testsuite/util/replacement_memory_operators.h: Likewise.
2669 * testsuite/util/testsuite_allocator.h: Likewise.
2671 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
2672 normal mode vector, even for debug mode.
2673 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
2674 Define alias template for normal mode vector.
2676 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
2679 * config/locale/generic/c_locale.h (__convert_from_v)
2680 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2681 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2682 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
2683 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2685 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
2688 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
2689 data member with static member function _S_use_relocate().
2690 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2691 (vector::_M_default_append): Use _S_use_relocate() instead of
2694 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
2697 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
2700 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
2701 write to stderr instead of using printf.
2703 2019-01-21 Jakub Jelinek <jakub@redhat.com>
2706 * include/bits/char_traits.h (__constant_string_p,
2707 __constant_char_array_p): Use __builtin_is_constant_evaluated if
2710 2019-01-20 Ulrich Drepper <drepper@redhat.com>
2712 Implement C++20 P0600r1.
2713 * include/backward/hash_map: Add nodiscard attribute to empty.
2714 * include/backward/hash_set: Likewise.
2715 * backward/hashtable.h: Likewise.
2716 * include/bits/basic_string.h: Likewise.
2717 * include/bits/forward_list.h: Likewise.
2718 * include/bits/hashtable.h: Likewise.
2719 * include/bits/regex.h: Likewise.
2720 * include/bits/stl_deque.h: Likewise.
2721 * include/bits/stl_list.h: Likewise.
2722 * include/bits/stl_map.h: Likewise.
2723 * include/bits/stl_multimap.h: Likewise.
2724 * include/bits/stl_multiset.h: Likewise.
2725 * include/bits/stl_queue.h: Likewise.
2726 * include/bits/stl_set.h: Likewise.
2727 * include/bits/stl_stack.h: Likewise.
2728 * include/bits/stl_tree.h: Likewise.
2729 * include/bits/stl_vector.h: Likewise.
2730 * include/bits/unordered_map.h: Likewise.
2731 * include/bits/unordered_set.h: Likewise.
2732 * include/debug/array: Likewise.
2733 * include/experimental/any: Likewise.
2734 * include/experimental/bits/fs_path.h: Likewise.
2735 * include/experimental/internet: Likewise.
2736 * include/experimental/string_view: Likewise.
2737 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
2739 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
2741 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
2743 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
2745 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
2747 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
2749 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
2751 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
2753 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2754 info_fn_imps.hpp: Likewise.
2755 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2756 left_child_next_sibling_heap_.hpp: Likewise.
2757 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
2759 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
2761 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
2763 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
2765 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
2767 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
2769 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
2771 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
2772 * include/ext/pb_ds/trie_policy.hpp: Likewise.
2773 * include/ext/rope: Likewise.
2774 * include/ext/slist: Likewise.
2775 * include/ext/vstring.h: Likewise.
2776 * include/profile/array: Likewise.
2777 * include/std/array: Likewise.
2778 * include/tr1/array: Likewise.
2779 * include/tr1/hashtable.h: Likewise.
2780 * include/tr1/regex: Likewise.
2781 * include/tr2/dynamic_bitset: Likewise.
2782 * include/bits/alloc_traits.h: Add nodiscard attribute to
2784 * include/experimental/memory_resource: Likewise.
2785 * include/ext/alloc_traits.h: Likewise.
2786 * include/ext/array_allocator.h: Likewise.
2787 * include/ext/bitmap_allocator.h: Likewise.
2788 * include/ext/debug_allocator.h: Likewise.
2789 * include/ext/extptr_allocator.h: Likewise.
2790 * include/ext/mt_allocator.h: Likewise.
2791 * include/ext/new_allocator.h: Likewise.
2792 * include/ext/pool_allocator.h: Likewise.
2793 * include/ext/throw_allocator.h: Likewise.
2794 * include/std/scoped_allocator: Likewise.
2795 * libsupc++/eh_alloc.cc: Likewise.
2796 * include/std/future: Add nodiscard attribute to async.
2797 * libsupc++/new: Add nodiscard attribute to new.
2799 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
2804 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
2805 * include/bits/shared_ptr.h
2806 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
2807 (allocate_shared): Change to use new tag type.
2808 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
2809 Declare new member function.
2810 (_Sp_alloc_shared_tag): Define new type.
2811 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
2812 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
2813 _Sp_make_shared_tag::_S_eq to check type_info.
2814 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
2815 Constrain to prevent being called with _Sp_alloc_shared_tag.
2816 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
2817 Replace constructor with ...
2818 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
2819 reference parameter so address of the new object can be returned to
2820 the caller. Obtain the allocator from the tag type.
2821 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
2822 constructor with ...
2823 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
2824 to the __shared_count constructor.
2825 (__allocate_shared): Change to use new tag type.
2826 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
2828 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
2830 * src/c++17/fs_ops.cc
2831 (equivalent(const path&, const path&, error_code&))
2832 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
2833 compare files instead of relying on incomplete info returned by stat.
2836 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
2837 if the path is already absolute.
2838 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
2839 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
2842 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
2843 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
2844 of filesystem::exists.
2845 (create_directories(const path&, error_code&)): Add assertions.
2846 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
2847 Add workaround for bug in _wstat for paths with trailing slash.
2848 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
2849 for expected behaviour on mingw.
2850 * testsuite/experimental/filesystem/operations/create_directories.cc:
2852 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
2853 "TMP" instead of "TMPDIR" and clean environment before each test. Do
2854 not test permissions on mingw targets.
2856 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
2858 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
2859 constructors and open members taking wide strings. Fix patterns for
2860 filesystem::path members to match wstring_view parameters. Add
2861 exports for shared_ptr members used by directory iterators.
2862 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
2863 error code parameter if the file doesn't exist.
2864 * src/filesystem/ops.cc (remove(const path&, error_code&)):
2866 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
2867 values for mingw targets, where "/" is not an absolute path. Do not
2868 test symlinks on mingw targets.
2869 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
2870 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
2872 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
2873 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
2874 that each component of the path is created.
2875 * testsuite/experimental/filesystem/operations/create_directories.cc:
2877 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
2878 permissions on mingw targets.
2879 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
2880 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2881 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
2882 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
2884 * testsuite/experimental/filesystem/operations/permissions.cc:
2886 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
2887 symlinks or permissions on mingw targets.
2888 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
2889 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
2890 symlinks on mingw targets.
2891 * testsuite/experimental/filesystem/operations/remove_all.cc:
2893 * testsuite/27_io/filesystem/operations/status.cc: Do not test
2894 permissions on mingw targets.
2895 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
2896 test symlinks on mingw targets.
2897 * testsuite/experimental/filesystem/operations/space.cc: Fix test
2900 2019-02-14 Ulrich Drepper <drepper@redhat.com>
2903 Warn about unused comparisons of shared_ptr/unique_ptr
2904 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
2905 * include/bits/shared_ptr.h: Use it for operator ==, !=,
2906 <, <=, >, >= for shared_ptr.
2907 * include/bits/unique_ptr.h: Likewise for unique_ptr.
2909 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
2911 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
2912 as 201611L, because P0497R0 changes are supported.
2913 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
2915 * include/bits/erase_if.h [__cplusplus > 201703L]
2916 (__cpp_lib_erase_if): Only define for C++2a.
2917 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2918 (__cpp_lib_null_iterators): Define.
2919 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2920 (__cpp_lib_null_iterators): Define.
2921 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
2923 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
2925 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
2927 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
2928 changes are supported.
2929 * include/std/optional (__cpp_lib_optional): Likewise.
2930 * include/std/variant (__cpp_lib_variant): Likewise.
2931 * include/std/version [!__STRICT_ANSI__]
2932 (__cpp_lib_uncaught_exceptions): Define as long integer.
2933 [__cplusplus >= 201703L] (__cpp_lib_any)
2934 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
2935 (__cpp_lib_variant): Define for C++17.
2936 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
2938 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
2941 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
2943 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
2947 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
2949 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
2952 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2954 * doc/xml/manual/intro.xml: Include new section.
2955 * doc/xml/manual/status_cxx2017.xml: Document more
2956 implementation-defined properties of the library.
2957 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
2958 * doc/html/*: Regenerate.
2960 * include/bits/refwrap.h [__cplusplus > 201703L]
2961 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
2962 (_Reference_wrapper_base_memfun): Do not define for C++2a.
2963 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
2965 (reference_wrapper::operator()): Add static assertion.
2966 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
2968 * include/std/chrono (duration_values::zero(), duration_values::min())
2969 (duration_values::max()): Add noexcept.
2970 (duration::zero(), duration::min(), duration::max()): Likewise.
2971 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
2972 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
2973 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
2975 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
2977 2019-01-11 Jakub Jelinek <jakub@redhat.com>
2979 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
2980 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
2982 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2985 * include/bits/functional_hash.h (hash<nullptr_t>): Define
2986 specialization for C++17 (P0513R0, LWG 2817).
2987 * testsuite/20_util/hash/nullptr.cc: New test.
2990 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
2991 pattern for std::basic_stringbuf::str().
2993 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
2994 basic_ostream::operator<< patterns.
2996 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2998 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
2999 test failures on targets with 32-bit time_t.
3001 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
3002 * include/std/deque: Likewise.
3003 * include/std/forward_list: Likewise.
3004 * include/std/list: Likewise.
3005 * include/std/string: Likewise.
3006 * include/std/vector: Likewise.
3007 * include/std/version: Likewise.
3008 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
3009 * testsuite/23_containers/deque/erasure.cc: Likewise.
3010 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
3011 * testsuite/23_containers/list/erasure.cc: Likewise.
3012 * testsuite/23_containers/map/erasure.cc: Likewise.
3013 * testsuite/23_containers/set/erasure.cc: Likewise.
3014 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
3015 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
3016 * testsuite/23_containers/vector/erasure.cc: Likewise.
3018 * include/experimental/internet [AI_NUMERICSERV]
3019 (resolver_base::numeric_service): Define conditionally.
3020 * testsuite/experimental/net/internet/resolver/base.cc: Test it
3022 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
3025 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
3026 Jonathan Wakely <jwakely@redhat.com>
3029 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
3030 (GLIBCXX_3.4.26): Add new exports.
3031 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
3032 correct list of sources.
3033 * include/Makefile.in: Regenerate.
3034 * include/std/ostream (operator<<(nullptr_t)): New member function.
3035 * src/c++17/ostream-inst.cc: New file.
3036 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
3039 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
3041 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
3042 of the source file containing the caller.
3043 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
3044 directories created by test.
3045 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3047 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3049 * testsuite/experimental/filesystem/iterators/
3050 recursive_directory_iterator.cc: Likewise.
3052 2019-01-10 Jakub Jelinek <jakub@redhat.com>
3054 PR tree-optimization/88775
3055 * include/bits/stl_function.h (greater<_Tp*>::operator(),
3056 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
3057 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
3058 instead of __builtin_constant_p if available. Don't bother with
3059 the pointer comparison in C++11 and earlier.
3061 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
3065 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
3068 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
3070 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
3071 for filesystem::path. Give variables more distinctive names.
3073 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
3074 member function to perform non-trivial assignment.
3075 (_Optional_payload_base::_M_move_assign): Likewise.
3076 (_Optional_payload<T, true, false, true>::operator=)
3077 (_Optional_payload<T, true, true, false>::operator=)
3078 (_Optional_payload<T, true, false, false>::operator=): Call
3079 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
3082 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
3083 test std::complex<long double> if long double format is IBM128.
3084 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
3087 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
3089 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
3090 for old std::unique_ptr layout.
3091 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
3092 to become valueless. Add filesystem::path tests.
3095 * include/std/optional (_Optional_payload_base): New class template
3096 for common code hoisted from _Optional_payload specializations. Use
3097 a template for the union, to allow a partial specialization for
3098 types with non-trivial destructors. Add constructors for in-place
3099 initialization to the union.
3100 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
3101 to perform non-trivial copy construction, instead of relying on
3102 non-standard copy elision in a delegating constructor.
3103 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
3104 non-trivial move construction.
3105 (_Optional_payload): Derive from _Optional_payload_base and use it
3106 for everything except the non-trivial assignment operators, which are
3108 (_Optional_payload<false, C, M>): Derive from the specialization
3109 _Optional_payload<true, false, false> and add a destructor.
3110 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
3111 Forward to corresponding members of _Optional_payload.
3112 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
3113 Hoist common members from _Optional_base.
3114 (_Optional_base): Make all members and base class public.
3115 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
3116 _Optional_base_impl.
3117 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
3118 support for new std::optional layout.
3119 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
3122 * include/bits/locale_conv.h: Use <> for includes not "".
3123 * include/ext/random: Likewise.
3124 * include/ext/vstring.h: Likewise.
3126 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3128 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
3129 (GLIBCXX_3.4.21): Likewise.
3131 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
3134 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
3135 to match the one that controls whether utimbuf and utime are declared.
3137 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
3140 * include/bits/char_traits.h (char_traits::move): Do not pass null
3141 pointers to memmove.
3142 * include/bits/locale_facets.h
3143 (ctype<char>::widen(const char*, const char*, char*)): Do not
3144 pass null pointers to memcpy.
3145 (ctype<char>::narrow(const char*, const char*, char, char*)):
3147 (ctype<char>::do_widen(const char*, const char*, char*)):
3149 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
3152 * doc/xml/manual/spine.xml: Update copyright years.
3153 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
3154 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
3155 for C++17 filesystem library.
3156 * doc/html/*: Regenerate.
3158 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
3159 * config.h.in: Regenerate.
3160 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
3161 alphabetically and add missing entries for copy_symlink,
3162 hard_link_count, rename, and resize_file.
3163 * configure: Regenerate.
3164 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
3165 used unconditionally.
3166 * src/filesystem/ops-common.h (__gnu_posix::truncate)
3167 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
3168 supports truncating to zero length.
3169 * testsuite/27_io/filesystem/operations/all.cc: New test.
3170 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
3172 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
3175 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
3176 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
3177 * config.h.in: Regenerate.
3178 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
3179 remaining std::filesystem types and functions.
3180 * configure: Regenerate.
3181 * src/c++17/Makefile.am: Add C++17 filesystem sources.
3182 * src/c++17/Makefile.in: Regenerate.
3183 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
3184 here, and change name of included file.
3185 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
3186 here, and change name of included file.
3187 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
3188 path to dir-common.h.
3189 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
3190 path to ops-common.h. Disable -Wunused-parameter warnings.
3191 (internal_file_clock): Define unconditionally.
3192 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
3194 (do_copy_file, do_space): Move definitions to ops.common.h.
3195 (copy, file_size, hard_link_count, last_write_time, space): Only
3196 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
3198 (last_write_time, read_symlink): Remove unused attributes from
3200 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
3201 * src/filesystem/Makefile.in: Regenerate.
3202 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
3203 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
3204 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
3205 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
3206 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
3207 dummy types and functions instead of using #error.
3208 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
3209 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
3211 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
3212 (do_copy_file, do_space): Move definitions here from std-ops.cc.
3213 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
3214 to account for new namespace.
3215 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
3216 -lstdc++fs from dg-options.
3217 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
3218 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
3219 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
3220 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
3221 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
3223 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
3224 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3226 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
3227 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
3228 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
3229 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3230 * testsuite/27_io/filesystem/operations/create_directories.cc:
3232 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
3233 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
3234 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
3235 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
3236 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
3237 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
3238 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
3239 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
3240 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
3241 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
3242 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
3243 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
3244 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
3245 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
3246 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
3247 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
3248 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
3249 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
3251 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
3255 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
3256 typeinfo and vtables less greedy.
3257 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
3258 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
3259 * src/c++17/Makefile.in: Regenerate.
3260 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
3261 here, and change name of included file.
3262 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
3263 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
3265 * src/filesystem/Makefile.in: Regenerate.
3266 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
3267 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
3268 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
3269 from dg-options and remove dg-require-filesystem-ts.
3270 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
3271 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
3272 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
3273 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
3274 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
3275 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
3276 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
3277 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
3278 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
3279 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
3280 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
3281 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
3282 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
3283 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
3284 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
3285 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
3286 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
3287 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
3288 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
3289 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
3290 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
3292 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
3293 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
3294 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
3295 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
3296 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
3297 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
3298 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
3299 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
3300 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
3301 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
3302 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
3303 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
3305 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
3307 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
3309 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
3311 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
3312 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3313 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
3314 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
3315 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3316 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3317 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3318 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3319 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
3320 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3322 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3323 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3324 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3325 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
3326 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3329 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
3330 Check is_trivially_copyable instead of is_scalar.
3331 (variant::emplace<N, Args>(Args&&...)): If construction of the new
3332 contained value can throw and its type is trivially copyable then
3333 construct into a temporary variant and move from it, to provide the
3334 strong exception safety guarantee.
3335 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
3337 * testsuite/20_util/variant/87431.cc: New test.
3338 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
3339 conversion causes valueless state.
3342 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
3343 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
3344 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
3345 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
3346 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
3348 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
3350 * include/bits/fs_fwd.h (__file_clock): Define new clock.
3351 (file_time_type): Redefine in terms of __file_clock.
3352 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
3354 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
3356 (internal_file_lock): New helper type for accessing __file_clock.
3357 (do_copy_file): Use internal_file_lock to convert system time to
3359 (last_write_time(const path&, error_code&)): Likewise.
3360 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
3362 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
3364 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
3365 for const member functions of std::basic_string.
3366 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
3368 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
3369 Make non-standard constructor private.
3370 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
3372 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
3373 explicit instantiations for C++17 as well as earlier dialects.
3374 * src/c++17/Makefile.am: Add new source files.
3375 * src/c++17/Makefile.in: Regenerate.
3376 * src/c++17/cow-string-inst.cc: New file defining explicit
3377 instantiations for basic_string member functions added in C++17.
3378 * src/c++17/string-inst.cc: Likewise.
3380 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
3381 copy/move constructors for old std::basic_string.
3382 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3383 (basic_string::reference, basic_string::const_reference): Define
3384 as plain references for C++11 and later.
3385 (basic_string::basic_string()): Put constructor body outside
3386 preprocessor conditional groups.
3387 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
3388 instead of copying it.
3389 (basic_string::basic_string(const basic_string&, const _Alloc&)):
3391 (basic_string::basic_string(basic_string&&, const _Alloc&)):
3393 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
3394 cases for old basic_string.
3395 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
3396 allocator-extended constructors unconditionally. Add extra members to
3397 allocator type when using old string ABI.
3398 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
3400 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
3402 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
3403 -fno-inline added to test flags.
3405 * testsuite/21_strings/basic_string/requirements/
3406 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
3408 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
3409 assertion failures with old std::string ABI.
3411 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
3413 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
3414 functions that will only erase elements at the end.
3415 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
3416 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
3417 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
3419 (path::_List::pop_back()): Define.
3420 (path::_List::_M_erase_from(const_iterator)): Define.
3421 (path::operator/=(const path&)): Use pop_back to remove last component
3422 and _M_erase_from to remove multiple components.
3423 (path::_M_append(basic_string_view<value_type>)): Likewise.
3424 (path::operator+=(const path&)): Likewise.
3425 (path::_M_concat(basic_string_view<value_type>)): Likewise.
3426 (path::remove_filename()): Likewise.
3427 (path::lexically_normal()): Use _List::_Impl iterators instead of
3428 path::iterator. Use pop_back to remove components from the end. Clear
3429 trailing filename, instead of using erase(const_iterator) to remove
3430 a non-final component.
3431 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
3433 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
3435 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
3436 incorrect treatment of empty filename after trailing slash.
3437 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
3439 * testsuite/21_strings/basic_string/modifiers/assign/char/
3440 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
3442 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
3443 move_assign_optim.cc: Likewise.
3445 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
3446 Jakub Jelinek <jakub@redhat.com>
3449 * include/experimental/memory: Replace UTF-8 quote characters.
3450 * include/std/future: Replace UTF-8 "em dash" characters.
3452 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
3455 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
3456 * include/debug/forward_list: Likewise.
3457 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
3459 * include/experimental/chrono: Likewise.
3460 * include/experimental/functional: Likewise.
3461 * include/experimental/ratio: Likewise.
3462 * include/experimental/system_error: Likewise.
3463 * include/experimental/tuple: Likewise.
3464 * include/experimental/type_traits: Likewise.
3465 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
3466 * include/parallel/multiseq_selection.h: Likewise.
3469 * config/abi/pre/gnu.ver: Add missing exports.
3470 * testsuite/22_locale/collate_byname/88681.cc: New test.
3471 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
3472 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
3474 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
3476 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
3477 initializer_list<value_type> and from input iterator ranges.
3478 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
3480 * testsuite/experimental/string_view/element_access/char/empty.cc:
3481 Fix year range in copyright header.
3483 2019-01-02 Joel Brobecker <brobecker@adacore.com>
3485 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
3486 Fix year range in copyright header.
3488 2019-01-01 Jakub Jelinek <jakub@redhat.com>
3490 Update copyright years.
3492 Copyright (C) 2019 Free Software Foundation, Inc.
3494 Copying and distribution of this file, with or without modification,
3495 are permitted in any medium without royalty provided the copyright
3496 notice and this notice are preserved.