1 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
3 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
4 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
7 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
8 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
10 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
12 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
14 * testsuite/20_util/function_objects/invoke/3.cc: New test.
15 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
16 "compile" test to "run".
18 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
19 * doc/html/*: Regenerate.
20 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
21 rvalue aliasing constructor.
22 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
23 (reinterpret_pointer_cast): Add overloads taking rvalues.
24 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
25 Add rvalue aliasing constructor.
26 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
27 "run" and check return values as well as types.
28 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
29 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
30 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
31 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
34 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
35 * doc/xml/manual/intro.xml: Likewise.
36 * include/std/future (__create_task_state): Add default arguments
37 to make providing an allocator optional.
38 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
39 instead of delegating to another constructor.
40 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
41 define allocator-extended constructors for C++17 and later.
42 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
44 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
45 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
46 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
48 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
50 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
51 Don't run the libstdc++/83237 part on simulator targets.
53 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
55 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
57 * doc/html/*: Regenerate.
59 * include/experimental/any (__any_caster): Use RTTI if comparing
60 addresses fails, to support non-unique addresses in shared libraries.
61 * include/std/any (__any_caster): Likewise.
64 * include/experimental/any (__any_caster): Constrain to only be
65 callable for object types. Use remove_cv_t instead of decay_t.
66 If the type decays or isn't copy constructible, compare the manager
67 function to a dummy specialization.
68 (__any_caster): Add overload constrained for non-object types.
69 (any::_Manager_internal<_Op>): Add dummy specialization.
70 * testsuite/experimental/any/misc/any_cast.cc: Test function types
73 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
76 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
77 reversed arguments to uninitialized_copy_n.
78 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
79 is unchanged by copy assignment.
80 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
81 compare path components.
84 * include/experimental/memory_resource: Add system header pragma and
85 do not define anything unless compiled as C++14 or later.
86 (__resource_adaptor_common::__guaranteed_alignment): Remove.
87 (__resource_adaptor_imp::do_allocate): If the requested alignment
88 is a fundamental alignment then either allocate directly from _M_alloc
89 or call the new _M_allocate function.
90 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
91 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
92 of the allocator rebound to a POD type with the specified alignment.
93 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
94 * testsuite/experimental/memory_resource/new_delete_resource.cc:
95 Adjust expected allocation sizes.
96 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
97 xfail for Solaris x86.
99 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
101 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
102 * include/pstl/execution_defs.h (__enable_if_execution_policy):
103 Use std::__remove_cvref_t when building with GCC.
105 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
108 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
109 Use "additional_flags" to pass -ltbb to v3_target_compile command.
110 Use check_v3_target_prop_cached to cache the result of the test.
112 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
114 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
117 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
118 Changed v3_target_compile check from preprocess to executable.
119 Added "-ltbb" to v3_target_compile flags.
121 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
123 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
124 Add check for Thread Building Blocks 2018 or later.
126 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
128 * testsuite/experimental/names.cc: Only include Networking TS headers
129 on targets with the necessary Gthreads support.
131 2019-05-20 Marek Polacek <polacek@redhat.com>
133 CWG 2094 - volatile scalars are trivially copyable.
135 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
136 result for volatile int.
138 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
140 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
141 * testsuite/experimental/names.cc: Include <experimental/filesystem>
144 PR c++/90532 Ensure __is_constructible(T[]) is false
145 * include/std/type_traits (__do_is_default_constructible_impl)
146 (__is_default_constructible_atom, __is_default_constructible_safe):
148 (is_default_constructible): Use is_constructible.
149 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
150 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
151 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
152 * testsuite/20_util/is_trivially_default_constructible/value.cc:
155 2019-05-20 Pádraig Brady <pbrady@fb.com>
157 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
158 to the deallocator with -fsized-deallocation.
160 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
162 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
163 test by passing correct alignment to deallocate function.
165 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
168 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
169 Raise exception if unique_ptr tuple member has unknown structure.
170 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
171 Adjust worker to support new __uniq_ptr_data base class. Do not
172 assume field called _M_head_impl is the first tuple element.
174 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
176 * include/bits/stl_deque.h
177 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
178 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
179 (_Deque_base::_Deque_impl_data): New.
180 (_Deque_base::_Deque_impl): Inherit latter.
181 (_Deque_base::_Deque_impl::_M_swap_data): Move...
182 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
183 (_Deque_base::_Deque_impl()): Add noexcept qualification.
184 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
185 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
186 (deque<>::deque()): Default.
187 (deque<>::deque(deque&&)): Default.
188 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
189 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
190 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
191 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
193 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
194 (deque<>::resize(size_type, const value_type&)): Share a single
196 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
198 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
199 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
200 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
201 * testsuite/23_containers/deque/allocator/default_init.cc: New.
203 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
206 * include/std/variant (holds_alternative, get, get_if): Improve
207 static assertion messages.
208 (bad_variant_access::bad_variant_access()): Change default message.
209 (__throw_bad_variant_access(bool)): New overload.
210 (get): Use new overload.
211 (visit, visit<R>): Improve exception message.
213 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
214 targets. Add more cases from P0608R3.
215 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
217 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
218 * include/experimental/type_traits (is_detected_exact)
219 (is_detected_exact_v): Likewise.
220 * include/pstl/execution_defs.h (is_execution_policy)
221 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
222 * include/pstl/execution_impl.h (__policy_traits): Likewise.
223 * testsuite/17_intro/names.cc: Check for more non-reserved names.
224 * testsuite/experimental/names.cc: New test.
227 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
228 assertions from the destructor.
229 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
230 Move static_assert for hash function to here.
231 (_Hash_table_base::_M_equals): Move static_assert for equality
233 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
235 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
236 the value directly instead of calling _S_value.
237 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
238 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
239 _S_key(_Const_Link_type).
240 * testsuite/23_containers/set/85965.cc: Check construction,
241 destruction, assignment and size() do not trigger the assertions.
242 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
243 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
245 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
246 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
247 * testsuite/23_containers/set/48101_neg.cc: Likewise.
248 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
249 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
250 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
251 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
253 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
254 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
257 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
259 * doc/html/*: Regenerate.
260 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
261 of decay_t (P0777R1).
263 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
265 Move from state of allocators (LWG2593)
266 * include/bits/stl_deque.h
267 (_Deque_base(_Deque_base&&, false_type)): Remove.
268 (_Deque_base(_Deque_base&&, true_type)): Remove.
269 (_Deque_base(_Deque_base&&)): Adapt.
270 (_Deque_base::_M_move_impl()): Remove.
271 * testsuite/util/testsuite_allocator.h
272 (propagating_allocator(propagating_allocator&&)): Preserve move from
274 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
276 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
278 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
279 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
280 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
282 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
284 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
285 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
287 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
289 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
291 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
293 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
295 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
297 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
299 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
302 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
304 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
305 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
307 * include/std/variant (__overload_set): Remove.
309 (_Build_FUN): New class template to define a single FUN overload,
310 with specializations to prevent unwanted conversions, as per P0608R3.
311 (_Build_FUNs): New class template to build an overload set of FUN.
312 (_FUN_type): New alias template to perform overload resolution.
313 (__accepted_type): Use integer_constant base for failure case. Use
314 _FUN_type for successful case.
315 (variant::__accepted_index): Use _Tp instead of _Tp&&.
316 (variant::variant(_Tp&&)): Likewise.
317 (variant::operator=(_Tp&&)): Likewise.
319 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
320 Replace raw visitation with a runtime check for the valueless state
321 and a non-raw visitor.
322 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
323 (variant::index()): Remove branch.
324 (variant::swap(variant&)): Use valueless_by_exception() instead of
325 comparing the index to variant_npos, and add likelihood attribute.
327 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
328 (_Hashtable_base::_Equal_hash_code): Define new class template.
329 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
332 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
333 Replace with _M_get non-static member function.
334 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
336 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
337 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
339 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
340 _S_get accessors for members in EBO helpers.
341 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
342 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
344 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
346 (_Hashtable_base::_M_eq()): Remove non-const overload.
348 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
350 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
352 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
354 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
357 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
359 * config/os/solaris/solaris2.10: Move to ...
360 * config/os/solaris: ... this.
361 * configure.host (os_include_dir): Adapt.
362 (abi_baseline_pair): Remove Solaris 10 handling.
363 * config/abi/post/i386-solaris2.10: Remove.
364 * config/abi/post/sparc-solaris2.10: Remove.
365 * config/abi/post/i386-solaris2.11: Rename to ...
366 * config/abi/post/i386-solaris: ... this.
367 * config/abi/post/sparc-solaris2.11: Rename to ...
368 * config/abi/post/sparc-solaris: ... this.
370 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
373 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
376 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
378 * include/std/variant (__visit_with_index): Remove typedef.
379 (__deduce_visit_result): New tag type.
380 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
381 visitation of possibly-valueless variants, forwarding to __do_visit
382 with the relevant tag type.
383 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
384 and make lambda return void.
385 (__variant_construct): Likewise.
386 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
387 __raw_idx_visit and make lambda return void.
388 (_Multi_array::__untag_result): Add metafunction to check the function
389 pointer type for a tag type that dictates the kind of visitation.
390 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
391 Use decltype(auto) instead of tagged function pointer type.
392 (__gen_vtable_impl): Remove bool non-type parameter and unused
393 _Variant_tuple parameter.
394 (__gen_vtable_impl::__visit_invoke_impl): Remove.
395 (__gen_vtable_impl::__do_visit_invoke): Remove.
396 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
397 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
398 for the visit<R> case, rather than dispatching to separate functions.
399 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
401 (variant::swap): Likewise.
402 (__do_visit): Replace two non-type template parameters with a single
403 type parameter, so that the caller must specify the visitor's return
404 type (or one of the tag types).
405 (visit): Deduce a return type from the visitor and use the
406 __deduce_visit_result tag to enforce that all overloads return the
408 (visit<R>): Call __do_visit<R> with explicit result type.
409 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
412 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
414 nonesuch is insufficiently useless (lwg2996)
415 * include/std/type_traits (struct __nonesuch): Added private base
416 class to make __nonesuch not an aggregate and removed deleted default
418 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
419 (operator=(const pair&)): Use __nonesuch instead of
420 __nonesuch_no_braces.
421 (operator=(pair&&)): Likewise
422 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
423 of __nonesuch_no_braces.
424 (operator=(tuple&&)): Likewise
425 * include/experimental/type_traits (struct nonesuch): Added private
426 base class to make nonesuch not an aggregate and removed deleted
428 * testsuite/20_util/nonesuch/nonesuch.cc: New.
429 * testsuite/experimental/type_traits/nonesuch.cc: New.
431 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
433 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
434 (_Function_handler): Remove partial specializations for void return
435 types and pointers to member.
436 (_Function_handler::_M_manager): Adapt to removal of
437 _Simple_type_wrapper.
438 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
439 * include/std/functional (_Bind_result::__enable_if_void)
440 (_Bind_result::__disable_if_void): Remove sfinae helpers.
441 (_Bind_result::__call): Use __invoke_r and remove overloads for void
443 * include/std/future (__future_base::_Task_state::_M_run)
444 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
445 change return type of lambda expressions.
447 * include/bits/invoke.h (__invoke_r): Define new function implementing
448 the INVOKE<R> pseudo-function.
449 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
450 * testsuite/20_util/function_objects/invoke/2.cc: New test.
452 * include/std/type_traits (__is_nt_convertible_helper): Define it
453 unconditionally, not only for C++20.
454 (__is_nothrow_convertible): Define internal trait for use in C++11.
455 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
456 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
457 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
458 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
459 that has nothrow explicit conversion but potentially-throwing implicit
461 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
462 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
463 function to only consider implicit conversions.
464 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
466 * include/std/iterator: Include <iosfwd> instead of <istream> and
469 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
470 Remove unused, non-standard function.
472 * include/bits/regex.h (match_results::max_size()): Adjust return
473 value to account for prefix/suffix/unmatched subs.
474 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
475 reset the contained sub matches.
476 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
477 function to set result state following a failed match.
478 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
479 sub_match states after _M_resize. Use _M_establish_failed_match.
482 * include/std/thread (thread::_State_impl, thread::_S_make_state):
483 Replace single _Callable parameter with variadic _Args pack, to
484 forward them directly to the tuple of decayed copies.
485 * testsuite/30_threads/thread/cons/69724.cc: New test.
487 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
489 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
490 * include/bits/basic_string.h: (operator=(const basic_string&):
491 Move allocator decision to assign.
492 (assign(const basic_string&)): Move allocator decision here.
493 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
495 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
498 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
500 * testsuite/util/testsuite_allocator.h (memory_resource)
501 (default_resource_mgr): Fix indentation.
503 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
504 Use operator-> to access raw pointer member.
505 * testsuite/23_containers/vector/59829.cc: Likewise.
506 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
507 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
508 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
510 (PointerBase, PointerBase_void): Derive from NullablePointer and use
511 its constructors and equality operators. Change converting
512 constructors to use operator-> to access private member of the other
514 (PointerBase_void::operator->()): Add, for access to private member.
515 (operator-(PointerBase, PointerBase)): Change to hidden friend.
516 (operator==(PointerBase, PointerBase)): Remove.
517 (operator!=(PointerBase, PointerBase)): Remove.
519 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
520 not assume field called _M_head_impl is the first tuple element.
521 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
522 implementation more accurate.
523 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
524 empty pointer type and non-empty deleter.
526 LWG 2899 - Make is_move_constructible correct for unique_ptr
527 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
528 move assignment operator.
529 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
530 (__uniq_ptr_data): New class template with conditionally deleted
532 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
533 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
534 constructor and move assignment operator as defaulted.
535 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
536 __uniq_ptr_impl::release().
537 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
538 to __uniq_ptr_impl::reset(pointer).
539 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
540 Check for new __uniq_ptr_data type.
541 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
543 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
545 PR libstdc++/90454.cc path construction from void*
546 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
547 pointers to void are rejected as well as void.
548 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
549 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
551 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
553 * doc/xml/manual/policy_data_structures.xml: Comment out stray
554 <remark> elements. Fix formatting of bibliography references.
556 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
558 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
560 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
562 Remove Profile Mode, deprecated since 7.1.0
563 * doc/Makefile.am: Remove XML file for profile mode docs.
564 * doc/Makefile.in: Regenerate.
565 * doc/xml/authors.xml: Remove authors of profile mode docs.
566 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
568 * doc/xml/manual/debug.xml: Likewise.
569 * doc/xml/manual/evolution.xml: Document removal of profile mode.
570 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
571 * doc/xml/manual/spine.xml: Remove profile mode author credit.
572 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
574 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
576 * doc/html/*: Regenerate.
577 * include/Makefile.am: Remove profile mode headers.
578 * include/Makefile.in: Regenerate.
579 * include/bits/c++config (std::__profile): Remove namespace.
580 [_GLIBCXX_PROFILE]: Remove checks for macro.
581 * include/profile/array: Remove.
582 * include/profile/base.h: Remove.
583 * include/profile/bitset: Remove.
584 * include/profile/deque: Remove.
585 * include/profile/forward_list: Remove.
586 * include/profile/impl/profiler.h: Remove.
587 * include/profile/impl/profiler_algos.h: Remove.
588 * include/profile/impl/profiler_container_size.h: Remove.
589 * include/profile/impl/profiler_hash_func.h: Remove.
590 * include/profile/impl/profiler_hashtable_size.h: Remove.
591 * include/profile/impl/profiler_list_to_slist.h: Remove.
592 * include/profile/impl/profiler_list_to_vector.h: Remove.
593 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
594 * include/profile/impl/profiler_node.h: Remove.
595 * include/profile/impl/profiler_state.h: Remove.
596 * include/profile/impl/profiler_trace.h: Remove.
597 * include/profile/impl/profiler_vector_size.h: Remove.
598 * include/profile/impl/profiler_vector_to_list.h: Remove.
599 * include/profile/iterator_tracker.h: Remove.
600 * include/profile/list: Remove.
601 * include/profile/map: Remove.
602 * include/profile/map.h: Remove.
603 * include/profile/multimap.h: Remove.
604 * include/profile/multiset.h: Remove.
605 * include/profile/ordered_base.h: Remove.
606 * include/profile/set: Remove.
607 * include/profile/set.h: Remove.
608 * include/profile/unordered_base.h: Remove.
609 * include/profile/unordered_map: Remove.
610 * include/profile/unordered_set: Remove.
611 * include/profile/vector: Remove.
612 * scripts/run_doxygen: Do not process profile mode headers.
613 * testsuite/23_containers/array/element_access/60497.cc: Don't use
615 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
616 Remove dg-skip-if for profile mode.
617 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
618 preprocessor check for profile mode.
619 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
620 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
622 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
624 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
625 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
626 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
627 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
628 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
630 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
632 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
634 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
636 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
637 preprocessor check for profile mode.
638 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
640 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
641 Remove dg-skip-if for profile mode.
642 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
643 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
644 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
645 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
646 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
647 * testsuite/Makefile.am: Remove profile_flags variable and
648 * testsuite/Makefile.am: Remove profile_flags variable and
649 check-profile target.
650 * testsuite/Makefile.in: Regenerate.
651 * testsuite/ext/profile/all.cc: Remove.
652 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
653 * testsuite/ext/profile/profiler_algos.cc: Remove.
654 * testsuite/ext/profile/replace_new.cc: Remove.
655 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
656 preprocessor check for profile mode.
657 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
658 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
659 (check_v3_target_normal_mode): Do not check for profile mode macro.
660 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
662 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
663 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
664 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
665 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
666 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
667 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
668 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
669 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
670 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
671 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
673 Remove array_allocator extension, deprecated since 4.9.0
674 * doc/xml/manual/allocator.xml: Remove documentation for
676 * doc/xml/manual/evolution.xml: Document array_allocator removal.
677 * doc/xml/manual/using.xml: Remove header from documentation.
678 * include/Makefile.am: Remove <ext/array_allocator.h> header.
679 * include/Makefile.in: Regenerate.
680 * include/ext/array_allocator.h: Remove.
681 * include/precompiled/extc++.h: Do not include removed header.
682 * testsuite/ext/array_allocator/1.cc: Remove.
683 * testsuite/ext/array_allocator/2.cc: Remove.
684 * testsuite/ext/array_allocator/26875.cc: Remove.
685 * testsuite/ext/array_allocator/3.cc: Remove.
686 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
687 * testsuite/ext/array_allocator/check_delete.cc: Remove.
688 * testsuite/ext/array_allocator/check_new.cc: Remove.
689 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
690 * testsuite/ext/headers.cc: Do not include removed header.
692 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
694 * include/bits/stl_bvector.h
695 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
697 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
699 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
701 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
703 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
705 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
707 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
709 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
711 (_Bit_iterator::operator-(difference_type)): Likewise.
712 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
713 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
715 (_Bit_const_iterator::operator-(difference_type)): Likewise.
716 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
718 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
721 * testsuite/util/thread/all.h: Do not use remove_pointer for
722 std::thread::native_handle_type.
725 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
726 (_Variant_storage<true, Types...>::_M_reset()))
727 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
728 (__get_storage): Likewise.
729 (variant): Add noexcept to friend declarations for __get and
733 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
734 Use _Require for constraints.
735 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
737 (__uniq_ptr_hash): New base class with conditionally-disabled call
739 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
740 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
741 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
743 * include/bits/shared_ptr.h: Improve docs.
744 * include/bits/shared_ptr_base.h: Likewise.
745 * include/bits/stl_uninitialized.h: Likewise.
746 * include/bits/unique_ptr.h: Likewise.
747 * libsupc++/new: Likewise.
749 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
751 * include/bits/stl_deque.h
752 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
754 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
756 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
758 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
760 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
762 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
764 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
766 (_Deque_iterator<>::operator-(difference_type)): Likewise.
768 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
771 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
772 (test01): Reserve for number of insertions to avoid rehash during test.
773 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
775 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
780 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
782 * include/experimental/bits/fs_path.h: Improve docs.
783 * include/experimental/bits/net.h: Fix wrong header name in comment.
784 Do not document implementation details.
785 * include/experimental/netfwd: Fix doxygen grouping.
787 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
789 * include/bits/stl_pair.h: Improve docs.
790 * include/std/tuple: Likewise.
792 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
794 * include/std/chrono: Improve docs.
795 * include/std/ratio: Do not document implementation details.
796 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
798 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
801 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
802 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
803 (__duration_common_type): New helper.
804 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
805 __duration_common_type.
806 (__timepoint_common_type_wrapper): Replace with ...
807 (__timepoint_common_type): New helper.
808 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
809 Use __time_point_common_type.
810 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
811 (__common_type_impl): If either argument is transformed by decay,
812 use the common_type of the decayed types.
813 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
814 decayed, use __do_common_type_impl to get the common_type.
815 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
816 (__do_member_type_wrapper, __member_type_wrapper)
817 (__expanded_common_type_wrapper): Remove.
818 (__common_type_pack, __common_type_fold): New helpers.
819 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
820 __member_type_wrapper and __expanded_common_type_wrapper.
821 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
822 Test zero-length template argument list.
823 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
824 Test single argument cases and argument types that should decay.
825 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
826 Adjust expected error.
827 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
829 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
830 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
831 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
833 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
835 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
837 Make allocator propagation more consistent for
838 operator+(basic_string) (P1165R1)
839 * include/bits/basic_string.h
840 (operator+(basic_string&&, basic_string&&): Changed resulting
841 allocator to always be the one from the first parameter.
842 * include/bits/basic_string.tcc
843 (operator+(const _CharT*, const basic_string&)): Changed
844 resulting allocator to be SOCCC on the second parameter's allocator.
845 (operator+(_CharT, const basic_string&)): Likewise.
846 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
848 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
851 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
853 * include/bits/regex.h: Improve docs.
854 * include/bits/regex.tcc: Do not document implementation details.
856 * testsuite/19_diagnostics/error_code/hash.cc: New test.
858 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
860 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
861 Add type printer for container types in std::__debug namespace.
862 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
863 (gdb-tests): Use distinct parameters for the type of test and use of
865 (gdb-test): Check for regex test even if 'whatis' test.
866 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
868 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
869 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
870 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
871 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
872 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
873 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
874 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
876 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
878 * include/std/system_error (error_category): Fix comment.
881 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
882 argument is an empty path.
883 (absolute(const path&, error_code&)): Use invalid_argument as error
884 code instead of no_such_file_or_directory.
885 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
886 of non-existent paths and empty paths with both overloads of absolute.
888 * include/std/system_error (error_category, error_code)
889 (error_condition): Improve docs.
890 * libsupc++/exception: Add missing @addtogroup Doxygen command.
891 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
892 to class documentation. Suppress documentation for implementation
894 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
895 Suppress documentation for implementation details.
897 * include/std/system_error (error_code): Remove friend declaration
898 for hash<error_code>.
899 (hash<error_code>::operator()): Use public member functions to access
901 (hash<error_condition>::operator()): Use address of category, not
902 its object representation.
903 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
904 Use public member functions to access value and category.
905 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
907 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
909 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
910 * include/bits/hashtable_policy.h
911 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
912 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
913 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
914 smaller than input value rather than always greater. Preserve
915 _M_next_resize if called with 0 input. Use __builtin_floorl.
916 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
917 elements + number of insertions is greater than _M_next_resize. Start
918 with 11 buckets if not told otherwise. Use __builtin_floorl.
919 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
920 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
921 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
922 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
923 told otherwise. Use __builtin_floorl.
924 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
925 to also validate _Power2_rehash_policy.
926 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
929 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
932 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
936 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
937 overflow warning with -Wpedantic -Wsystem-headers.
939 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
942 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
943 * include/bits/move.h (swap): Remove extra parentheses.
945 * include/experimental/bits/lfts_config.h: Improve doc markup.
946 * include/experimental/optional: Improve docs.
947 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
948 (__constexpr_addressof): Remove.
949 (optional::operator->()): Use std::__addressof().
950 * include/std/optional (optional::operator->()): Adjust whitespace.
951 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
952 that operator-> is still constexpr with overloaded operator&. Change
953 to compile-only test.
954 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
957 * include/bits/shared_ptr.h: Improve docs.
958 * include/bits/shared_ptr_atomic.h: Likewise.
959 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
961 * include/bits/basic_string.h: Fix iterator/index confusion in
963 * include/bits/range_access.h: Fix Doxygen warnings.
964 * include/bits/refwrap.h: Do not document implementation details.
965 (ref, cref): Group docs with reference_wrapper.
966 * include/std/fstream: Fix Doxygen markup.
967 * libsupc++/initializer_list (begin, end): Group docs with
970 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
972 * include/bits/unique_lock.h: Fix/improve doxygen markup.
973 * include/std/mutex: Likewise.
974 * include/std/shared_mutex: Likewise.
976 * include/bits/fs_dir.h: Fix/improve doxygen markup.
977 * include/bits/fs_fwd.h: Likewise.
978 * include/bits/fs_ops.h: Likewise.
979 * include/bits/fs_path.h: Likewise.
980 * include/std/filesystem: Likewise.
982 * include/experimental/bits/net.h: Fix/improve doxygen markup.
983 * include/experimental/buffer: Likewise.
984 * include/experimental/executor: Likewise.
985 * include/experimental/internet: Likewise.
986 * include/experimental/io_context: Likewise.
987 * include/experimental/net: Likewise.
988 * include/experimental/netfwd: Likewise.
989 * include/experimental/socket: Likewise.
990 * include/experimental/timer: Likewise.
992 * doc/doxygen/doxygroups.cc: Move description of experimental group
994 * include/experimental/algorithm: Add to libfund-ts doc group.
995 * include/experimental/any: Likewise. Do not document implementation
997 * include/experimental/array: Add to libfund-ts doc group.
998 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
999 for Library Fundamentals.
1000 * include/experimental/chrono: Add to libfund-ts doc group.
1001 * include/experimental/deque: Likewise.
1002 * include/experimental/forward_list: Likewise.
1003 * include/experimental/functional: Likewise.
1004 * include/experimental/iterator: Likewise.
1005 * include/experimental/list: Likewise.
1006 * include/experimental/map: Likewise.
1007 * include/experimental/memory: Likewise.
1008 * include/experimental/memory_resource: Likewise. Improve docs.
1010 * include/experimental/numeric: Add to libfund-ts doc group.
1011 * include/experimental/optional: Likewise.
1012 * include/experimental/propagate_const: Likewise.
1013 * include/experimental/random: Likewise.
1014 * include/experimental/ratio: Likewise.
1015 * include/experimental/regex: Likewise.
1016 * include/experimental/set: Likewise.
1017 * include/experimental/source_location: Likewise.
1018 * include/experimental/string: Likewise.
1019 * include/experimental/string_view: Likewise.
1020 * include/experimental/system_error: Likewise.
1021 * include/experimental/tuple: Likewise.
1022 * include/experimental/type_traits: Likewise.
1023 * include/experimental/unordered_map: Likewise.
1024 * include/experimental/unordered_set: Likewise.
1025 * include/experimental/utility: Likewise.
1026 * include/experimental/vector: Likewise.
1027 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
1028 * testsuite/experimental/array/neg.cc: Adjust dg-error.
1029 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
1031 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
1032 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
1033 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
1034 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
1035 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
1037 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
1038 * include/experimental/bits/fs_fwd.h: Improve docs.
1039 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
1040 * include/experimental/bits/fs_path.h: Likewise.
1041 (path, filesystem_error, u8path): Improve docs.
1042 * include/experimental/filesystem: Link to docs for TS.
1044 * config/allocator/new_allocator_base.h (__allocator_base): Add
1045 workaround for Doxygen bug #6945.
1046 * include/std/memory: Improve docs. Define group for pointer safety.
1047 * include/std/scoped_allocator: Improve docs. Use "undocumented"
1048 conditional to suppress documentation for implementation details.
1050 * include/bits/specfun.h: Improve docs.
1051 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
1054 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
1055 (std::experimental): Add docs.
1056 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
1057 namespace to nothing when generating docs.
1058 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
1059 * include/std/chrono (std::chrono): Likewise.
1060 * include/std/functional (std::placeholders): Likewise.
1061 * include/std/thread (std::this_thread): Likewise.
1063 * include/parallel/settings.h: Fix Doxygen markup.
1065 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
1066 anything unless PB_DS_CLASS_C_DEC is defined.
1067 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
1068 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
1069 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
1070 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
1071 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
1072 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
1073 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
1075 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
1076 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
1077 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
1078 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
1079 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
1080 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
1081 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
1082 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
1083 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
1084 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
1085 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
1087 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
1088 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
1090 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
1093 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
1094 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
1095 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
1098 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1100 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
1101 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
1102 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
1103 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
1104 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
1105 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
1107 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
1108 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
1111 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
1114 * include/std/complex (__complex_proj): Return parameter unchanged.
1115 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
1116 floating-point types to take std::complex arguments.
1117 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
1118 floating-point types.
1119 * testsuite/26_numerics/complex/proj.cc: New test.
1121 2019-04-30 Jakub Jelinek <jakub@redhat.com>
1123 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
1124 to _Lock_policyE[012].
1125 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
1127 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
1129 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
1130 macros accidentally left in.
1131 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
1132 unnecessary -lstdc++fs option. Fix test for mingw.
1133 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
1136 2019-04-30 Jakub Jelinek <jakub@redhat.com>
1138 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
1140 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
1142 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
1144 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
1145 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
1148 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
1150 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
1153 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
1154 class template and partial specialization.
1157 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
1159 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
1160 functions to convert a value to an integral type.
1161 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
1162 (fill_n): Convert _Size parameter to an integral type.
1163 * testsuite/25_algorithms/fill_n/87982.cc: New test.
1164 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
1165 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
1166 * testsuite/25_algorithms/generate_n/87982.cc: New test.
1167 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
1168 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
1170 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
1172 Adding noexcept-specification on tuple constructors (LWG 2899)
1173 * libstdc++-v3/include/std/tuple:
1174 (tuple()): Add noexcept-specification.
1175 (tuple(const _Elements&...)): Likewise
1176 (tuple(_UElements&&...)): Likewise
1177 (tuple(const tuple<_UElements...>&)): Likewise
1178 (tuple(tuple<_UElements...>&&)): Likewise
1179 (tuple(const _T1&, const _T2&)): Likewise
1180 (tuple(_U1&&, _U2&&)): Likewise
1181 (tuple(const tuple<_U1, _U2>&): Likewise
1182 (tuple(tuple<_U1, _U2>&&): Likewise
1183 (tuple(const pair<_U1, _U2>&): Likewise
1184 (tuple(pair<_U1, _U2>&&): Likewise
1185 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
1187 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
1190 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
1191 arguments with __restrict.
1193 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
1195 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
1197 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
1199 * include/experimental/bits/fs_path.h
1200 (path::_S_convert_loc<_InputIterator>): Create const std::string to
1201 avoid redundant call to _S_convert_loc with non-const pointers.
1203 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
1204 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
1205 * testsuite/21_strings/basic_string/hash/hash.cc
1206 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
1207 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
1208 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
1210 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
1211 wstring::_M_replace_dispatch with more specific patterns.
1212 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
1213 Create const std::string to avoid redundant call to _S_convert_loc
1214 with non-const pointers.
1215 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
1216 avoid unnecessary basic_string::assign instantiations.
1218 * include/std/memory (__uses_alloc_args): Add string-literal to
1219 static_assert, to match the one in __uses_alloc.
1220 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
1221 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
1222 for recursive uses-allocator construction of nested pairs.
1223 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
1226 2019-04-26 Jakub Jelinek <jakub@redhat.com>
1228 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1229 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1230 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1231 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1233 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1234 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1235 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1236 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1237 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1238 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1239 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1241 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
1244 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
1245 * include/std/scoped_allocator [__cplusplus > 201703L]
1246 (scoped_allocator_adaptor::construct): Define in terms of
1247 uses_allocator_construction_args, as per P0591R4.
1248 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
1249 * testsuite/util/testsuite_allocator.h: Remove name of unused
1252 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
1254 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
1255 * doc/html/*: Regenerate.
1257 * include/bits/fs_path.h (operator<, operator<=, operator>)
1258 (operator>=, operator==, operator!=): Make hidden friends, as per
1260 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
1261 string type in test.
1262 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
1264 * include/std/any (any::any(ValueType&&)): Use __and_v.
1265 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
1268 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
1270 * include/std/type_traits (__result_of_memfun): Use remove_reference
1271 instead of __remove_cvref_t and remove redundant is_same check.
1272 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
1274 * include/experimental/string_view (basic_string_view::pointer)
1275 (basic_string_view::reference): Fix to refer to non-const value_type.
1276 * include/bits/basic_string.h (basic_string): Use __sv_check and
1277 __sv_limit instead of basic_string_view::_M_check and
1278 basic_string_view::_M_limit.
1279 * include/std/string_view (__sv_check, __sv_limit): New
1280 helper functions to replace basic_string_view::_M_check and
1281 basic_string_view::_M_limit.
1282 (basic_string_view): Add static assertions to enforce ill-formed
1283 requirement for traits_type::char_type from P1148R0, and to enforce
1284 required properties of char-like types.
1285 (basic_string_view::pointer, basic_string_view::reference): Fix to
1286 refer to non-const value_type.
1287 (basic_string_view::operator[], basic_string_view::at)
1288 (basic_string_view::front, basic_string_view::back)
1289 (basic_string_view::data): Use const_reference and const_pointer
1290 typedefs for return types.
1291 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
1292 (hash<wstring_view>): Fix argument_type typedef.
1293 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1294 char/1.cc: Fix expected return type of basic_string_view::data().
1295 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1296 wchar_t/1.cc: Likewise.
1297 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1298 char/1.cc: Likewise.
1299 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1300 wchar_t/1.cc: Likewise.
1301 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
1303 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
1304 Check reference and pointer typedefs.
1305 * testsuite/experimental/string_view/requirements/typedefs.cc:
1307 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
1308 Fix expected return type of basic_string_view::data().
1309 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
1311 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
1313 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
1317 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
1318 Avoid a runtime check for types that can never be stored in std::any.
1319 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
1322 PR libstdc++/90220 (partial)
1323 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
1324 not attempt ill-formed static_cast to pointers to non-object types.
1325 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
1328 * testsuite/20_util/variant/run.cc: Catch exception by reference to
1329 prevent -Wcatch-value warning.
1331 * include/std/variant (__variant_construct): Use template parameter
1332 type instead of equivalent decltype-specifier.
1333 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
1334 Replace forward with move.
1335 (_Move_ctor_base<false, Types...>::_M_destructive_move)
1336 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
1337 (_Move_ctor_base<true, Types...>::_M_destructive_move)
1338 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
1339 index after construction succeeds.
1340 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
1341 if-constexpr checks that are always true. Use __remove_cvref_t instead
1342 of remove_reference so that is_nothrow_move_constructible check
1343 doesn't use a const rvalue parameter. In the potentially-throwing case
1344 construct a temporary and move assign it, as per LWG 2904.
1345 (_Move_assign_base<false, Types...>::operator=): Remove redundant
1346 if-constexpr checks that are always true. Use emplace as per LWG 2904.
1347 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
1348 construct a temporary and move assign from it, as per LWG 2904.
1349 * testsuite/20_util/variant/exception_safety.cc: Check that
1350 assignment operators have strong exception safety guarantee.
1352 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
1354 Document PSTL linker flags
1356 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
1358 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
1360 * include/std/variant (__detail::__variant::_Traits): Make
1361 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
1362 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
1364 (__detail::__variant::_Copy_assign_alias): Only depend on
1365 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
1366 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
1367 move assignment operators.
1370 * include/std/variant (variant::__not_self): New helper for the
1371 is_same_v<remove_cvref_t<T>, variant>==false constraints.
1372 (variant::__to_type_impl): Remove.
1373 (variant::__to_type): Add default argument to check pack size, instead
1374 of using __to_type_impl.
1375 (variant::__accepted_type): Add default argument using __not_self.
1376 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
1377 for variant(T&&) constructor constraint.
1378 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
1379 Extract __accepted_type into a named template parameter for reuse in
1380 other constraints and in the exception specification.
1381 (variant::variant(in_place_type_t<T>, Args&&...))
1382 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
1383 (variant::variant(in_place_index_t<T>, Args&&...))
1384 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
1385 (variant::operator=T&&)): Remove redundant && from trait arguments.
1386 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
1387 isn't used for in_place_type or in_place_index arguments.
1389 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
1390 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
1391 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
1393 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1394 Bernd Edlinger <bernd.edlinger@hotmail.de>
1395 Jakub Jelinek <jakub@redhat.com>
1398 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
1399 general-regs-only target attribute for ARM.
1401 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
1404 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
1405 specialization also depend on is_nothrow_move_constructible.
1406 * include/std/variant (__detail::__variant::__never_valueless()):
1407 Only true if the variant would have a move assignment operator.
1408 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
1409 Check __never_valueless<T...>().
1410 (variant::emplace): Only perform non-throwing move assignments
1411 for never-valueless alternatives if the variant has a move assignment
1413 * testsuite/20_util/variant/compile.cc: Check that never-valueless
1414 types can be emplaced into non-assignable variants.
1415 * testsuite/20_util/variant/run.cc: Check that never-valueless types
1416 don't get copied when emplaced into non-assignable variants.
1418 * include/std/variant (__detail::__variant::__ref_cast): Remove
1420 (__detail::__variant::_Uninitialized::_M_get)
1421 (__detail::__variant::__get)
1422 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
1424 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
1426 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
1428 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
1429 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
1430 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
1431 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
1433 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
1435 Delegate PSTL configuration to pstl/pstl_config.h
1437 * include/bits/c++config: Remove explicit PSTL configuration
1438 macros and use definitions from <pstl/pstl_config.h>.
1440 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
1442 Cleanup algorithm implementations
1443 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
1445 (mismatch): Forward execution policy.
1446 (equal): Qualify call to std::equal().
1447 (partial_sort): Forward execution policy.
1448 (inplace_merge): Forward execution policy.
1450 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
1452 Improve implementation of parallel equal()
1453 * include/pstl/algorithm_impl.h
1454 (__internal::__brick_equal): use "4 iterator" version of
1456 (__internal::__brick_equal): use simd for random access
1457 iterators on unsequenced execution policies.
1458 (__internal::__pattern_equal): add "4 iterator" version
1459 (__internal::__pattern_equal): dispatch to simd __brick_equal
1460 for vector-only execution policies.
1461 (__internal::__pattern_equal): dispatch to __parallel_or for
1462 parallel execution policies.
1463 * include/pstl/glue_algorithm_impl.h
1464 (std::equal): dispatch to "4 iterator" version of
1465 __internal::__pattern_equal().
1467 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
1470 * include/bits/forward_list.h (operator==): Do not use operator!= to
1472 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
1473 earlier in the list, so that sort is stable.
1474 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
1475 * testsuite/23_containers/forward_list/comparable.cc: Test with
1476 types that meet the minimum EqualityComparable and LessThanComparable
1477 requirements. Remove irrelevant comment.
1479 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
1480 Do not depend on whether all alternative types are move constructible.
1481 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
1482 from the operand when deciding whether to perform the assignment.
1483 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
1484 with deleted move constructor and deleted move assignment operator.
1485 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
1486 behaviour of variants with DeletedMoves as an alternative.
1487 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
1488 (move_ctor, move_assign): Check that moving a variant with a
1489 DeletedMoves alternative falls back to copying instead of moving.
1491 * testsuite/20_util/variant/compile.cc: Remove empty string literals
1492 from static_assert declarations.
1494 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
1495 actually match its name.
1496 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
1497 (test_swap()): Fix result for MoveCtorOnly and check
1498 MoveCtorAndSwapOnly.
1500 * include/std/optional (optional::value_or(U&&) &&): Add missing
1501 constexpr specifier.
1502 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
1503 for disengaged optionals and rvalue optionals.
1504 * testsuite/20_util/optional/observers/4.cc: Likewise.
1506 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
1508 * include/pstl/algorithm_impl.h: Uglify identfiers.
1509 * include/pstl/numeric_impl.h: Uglify identfiers.
1510 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
1512 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
1514 * include/bits/c++config:
1515 Add definition for __PSTL_ASSERT.
1516 Add definition for __PSTL_ASSERT_MSG.
1517 * include/pstl/algorithm_impl.h: Replace use of assert().
1518 * include/pstl/numeric_impl.h: Replace use of assert().
1519 * include/pstl/parallel_backend_tbb.h:
1520 Replace use of assert().
1521 Replace use of __TBB_ASSERT().
1522 * include/pstl/parallel_backend_utils.h: Replace use of assert().
1524 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
1527 * src/c++17/memory_resource.cc
1528 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
1529 needed to allow placing a _Chunk at the end of the buffer.
1530 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
1532 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
1534 * doc/xml/faq.xml: Add information about emergency EH pool.
1535 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
1536 Move outdated information on mt_allocator to a separate section.
1537 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
1538 doesn't affect the default allocator.
1540 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
1544 * testsuite/20_util/variant/89851.cc: New test.
1546 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
1548 * include/std/variant: Adjust whitespace. Add comments.
1549 (_Multi_array): Leave primary template undefined.
1550 (_Multi_array<_Tp>): Define partial specialization for base case of
1552 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
1553 which is always a reference.
1554 (__gen_vtable::_S_apply()): Remove function, inline body into
1555 default member initializer.
1556 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
1558 * include/std/variant (__variant_idx_cookie): Add member type.
1559 (__visitor_result_type): Remove.
1560 (__do_visit): Use invoke_result instead of __visitor_result_type.
1561 * testsuite/20_util/variant/visit.cc: New test.
1564 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
1566 * testsuite/20_util/variant/90008.cc: New test.
1568 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
1570 * include/pstl/algorithm_impl.h: Add namespace qualification.
1571 * include/pstl/execution_defs.h: Add namespace qualification.
1572 * include/pstl/execution_impl.h: Add namespace qualification.
1573 * include/pstl/numeric_impl.h: Add namespace qualification.
1574 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
1575 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
1576 * include/pstl/parallel_backend_utils.h: Include <cassert>.
1578 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
1580 Fix visit<R> for variant.
1581 * include/std/variant (__do_visit): Add a template parameter
1582 for enforcing same return types for visit.
1583 (__gen_vtable_impl): Likewise.
1584 (_S_apply_single_alt): Adjust.
1585 (__visit_invoke_impl): New. Handle casting to void.
1586 (__do_visit_invoke): New. Enforces same return types.
1587 (__do_visit_invoke_r): New. Converts return types.
1588 (__visit_invoke): Adjust.
1589 (__gen_vtable): Add a template parameter for enforcing
1590 same return types for visit.
1591 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
1592 different return types.
1593 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
1594 visitors with different return types don't accidentally
1595 compile with regular visitation.
1597 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
1599 * testsuite/27_io/filesystem/iterators/caching.cc: Add
1600 dg-require-filesystem-ts.
1602 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
1604 * doc/xml/manual/status_cxx2020.xml: Update status.
1605 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
1606 * testsuite/20_util/variant/visit_r.cc: New test.
1608 * include/bits/fs_dir.h (directory_iterator::operator*)
1609 (directory_iterator::operator->): Add noexcept.
1610 (operator==, operator!=): Replace namespace-scope equality operators
1611 for directory iterators with hidden friends.
1614 * config/abi/pre/gnu.ver: Add missing exports.
1615 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
1618 * config/abi/pre/gnu.ver: Export new symbols.
1619 * include/bits/fs_dir.h (recursive_directory_iterator::options())
1620 (recursive_directory_iterator::recursion_pending())
1621 (recursive_directory_iterator::disable_recursion_pending()): Remove
1622 inline definitions. Make noexcept.
1623 (recursive_directory_iterator::depth())
1624 (recursive_directory_iterator::operator*())
1625 (recursive_directory_iterator::operator->()): Make noexcept.
1626 (recursive_directory_iterator::_M_options)
1627 (recursive_directory_iterator::_M_pending): Remove data members.
1628 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
1629 (recursive_directory_iterator::recursive_directory_iterator): Remove
1630 ctor-initializer. Use new constructor for _Dir_stack.
1631 (recursive_directory_iterator::options())
1632 (recursive_directory_iterator::recursion_pending())
1633 (recursive_directory_iterator::disable_recursion_pending()): Add
1634 non-inline definitions.
1635 (recursive_directory_iterator::depth()): Make noexcept.
1636 (recursive_directory_iterator::increment(error_code&))
1637 (recursive_directory_iterator::pop(error_code&)): Adjust to new
1638 location of options and recursion_pending members.
1639 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
1640 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
1641 user-declared move constructor and assignment operator, to make the
1644 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
1645 d_type == DT_UNKNOWN immediately.
1646 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
1648 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
1650 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
1652 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
1653 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
1656 PR libstdc++/87431 (again)
1657 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
1658 Define partial specialization for basic_string.
1659 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
1660 shared_ptr and weak_ptr.
1661 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
1663 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
1665 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
1667 * include/debug/vector (_Never_valueless_alt): Likewise for debug
1669 * include/std/any (_Never_valueless_alt): Define explicit
1670 specialization for any.
1671 * include/std/variant (_Never_valueless_alt): Define primary template.
1672 (__never_valueless): Use _Never_valueless_alt instead of
1673 is_trivially_copyable.
1674 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
1675 initializations to avoid try-catch overhead. Add special case for
1676 scalars produced by potentially-throwing conversions. Use
1677 _Never_valueless_alt instead of is_trivially_copyable for the
1678 remaining strong exception-safety cases.
1679 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
1680 * testsuite/20_util/variant/87431.cc: Run both test functions.
1681 * testsuite/20_util/variant/exception_safety.cc: New test.
1682 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
1683 so the variant becomes valueless.
1685 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
1688 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
1690 (variant::emplace<_Tp>): Return result of emplace<N> directly.
1692 * include/std/string (__hash_string_base): New class template defining
1693 operator() for hashing strings.
1694 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
1695 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
1696 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
1697 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
1699 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
1701 Use single-visitation in variant assignment and swap and relops.
1702 Also use indices instead of types when checking whether
1703 variants hold the same thing.
1704 * include/std/variant (__do_visit): Add a template parameter
1705 for index visitation, invoke with indices if index visitation
1707 (__variant_idx_cookie): New.
1708 (__visit_with_index): Likewise.
1709 (_Copy_assign_base::operator=): Do single-visitation with
1711 (_Move_assign_base::operator=): Likewise.
1712 (_Extra_visit_slot_needed): Adjust.
1713 (__visit_invoke): Call with indices if it's an index visitor.
1714 (relops): Do single-visitation with an index visitor.
1716 (__visitor_result_type): New.
1718 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
1720 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
1722 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
1724 Don't revisit a variant we are already visiting.
1725 * include/std/variant (__variant_construct_single): New.
1726 (__variant_construct): Use it.
1727 (_M_destructive_move): Likewise.
1728 (_M_destructive_copy): Likewise.
1729 (_Copy_assign_base::operator=): Adjust.
1730 (_Move_assign_base::operator=): Likewise.
1733 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
1736 * include/bits/hashtable.h (_Hashtable): Move static assertions to
1737 destructor so they are not evaluated until the _Key type is complete.
1738 * include/bits/stl_tree.h (_Rb_tree): Likewise.
1739 * testsuite/23_containers/set/85965.cc: New test.
1740 * testsuite/23_containers/unordered_set/85965.cc: New test.
1741 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
1742 with regexp matching the corresponding _Rb_tree specialization.
1743 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
1744 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
1745 * testsuite/23_containers/set/48101_neg.cc: Likewise.
1746 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
1747 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
1748 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
1749 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
1751 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1754 Fix based on a suggestion by Antony Polukhin.
1755 * include/std/variant (__never_valueless): New.
1757 (_Extra_visit_slot_needed): New.
1758 (_Multi_array): Use it.
1759 (_S_apply_all_alts): Likewise.
1761 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1764 Fix based on a suggestion by Antony Polukhin.
1765 * include/std/variant (__gen_vtable): Don't reserve an
1766 additional table slot, _Multi_array already does that.
1768 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1771 Fix based on a suggestion by Antony Polukhin.
1772 * include/std/variant (__variant_construct): Capture a pointer
1773 to the storage and visit just one variant.
1775 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
1777 * doc/xml/manual/backwards_compatibility.xml: Remove link to
1778 Doxygen-generated pages with unstable URL.
1779 * doc/xml/manual/concurrency_extensions.xml: Likewise.
1780 * doc/xml/manual/extensions.xml: Likewise.
1781 * doc/xml/manual/parallel_mode.xml: Likewise.
1782 * doc/xml/manual/support.xml: Likewise.
1784 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
1785 avoid -Wconversion warnings.
1787 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
1789 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
1790 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
1791 (allstamped): Add stamp-pstl.
1792 (install-headers): Add ptsl_builddir.
1793 * include/Makefile.in: Regenerate.
1794 * include/bits/c++config: Add pstl configuration.
1795 * include/pstl/LICENSE.txt: New file.
1796 * include/pstl/algorithm_fwd.h: New file.
1797 * include/pstl/algorithm_impl.h: New file.
1798 * include/pstl/execution_defs.h: New file.
1799 * include/pstl/execution_impl.h: New file.
1800 * include/pstl/glue_algorithm_defs.h: New file.
1801 * include/pstl/glue_algorithm_impl.h: New file.
1802 * include/pstl/glue_execution_defs.h: New file.
1803 * include/pstl/glue_memory_defs.h: New file.
1804 * include/pstl/glue_memory_impl.h: New file.
1805 * include/pstl/glue_numeric_defs.h: New file.
1806 * include/pstl/glue_numeric_impl.h: New file.
1807 * include/pstl/memory_impl.h: New file.
1808 * include/pstl/numeric_fwd.h: New file.
1809 * include/pstl/numeric_impl.h: New file.
1810 * include/pstl/parallel_backend.h: New file.
1811 * include/pstl/parallel_backend_tbb.h: New file.
1812 * include/pstl/parallel_backend_utils.h: New file.
1813 * include/pstl/parallel_impl.h: New file.
1814 * include/pstl/pstl_config.h: New file.
1815 * include/pstl/unseq_backend_simd.h: New file.
1816 * include/pstl/utils.h: New file.
1817 * include/std/algorithm: Include parallel algorithm implementations.
1818 * include/std/execution: New file.
1819 * include/std/memory: Include parallel algorithm implementations.
1820 * include/std/numeric: Include parallel algorithm implementations.
1821 * include/std/version: Add parallel algorithms feature test macro.
1822 * testsuite/util/pstl/pstl_test_config.h: New file.
1823 * testsuite/util/pstl/test_utils.h: New file.
1824 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1825 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1826 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1827 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1828 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1829 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1830 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1831 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1832 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1833 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1834 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1835 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1836 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1837 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1838 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1839 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1840 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1841 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1842 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1843 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1844 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1845 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1846 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1847 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1848 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1849 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1850 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1851 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1852 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1853 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1854 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1855 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1856 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1857 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1858 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1859 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1860 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1861 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1862 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1863 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1864 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1865 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1866 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1867 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1868 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1869 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1870 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1871 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1872 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1873 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1874 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1875 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1876 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1877 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1878 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1879 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1880 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1881 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1882 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1883 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1884 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1885 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1886 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1887 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1888 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1889 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1890 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1891 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1892 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1893 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1894 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1895 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1896 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1897 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1898 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1899 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1900 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1901 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1902 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1903 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1904 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1905 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1906 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1907 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1908 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1909 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1910 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1911 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1912 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1913 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1914 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1915 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1916 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1917 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1918 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1919 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1920 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1921 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1922 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1923 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1924 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1925 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1926 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1927 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1928 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1929 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1931 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
1933 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
1934 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
1935 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
1936 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
1937 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
1938 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
1939 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
1940 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
1941 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
1942 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
1943 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
1944 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
1945 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
1946 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
1947 when the special functions IS is enabled, not for C++17.
1948 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
1950 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
1951 without checks for special functions in C++17.
1952 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
1956 * include/backward/hash_map: Use <> for includes not "".
1957 * include/backward/hash_set: Likewise.
1958 * include/backward/strstream: Likewise.
1959 * include/tr1/bessel_function.tcc: Likewise.
1960 * include/tr1/exp_integral.tcc: Likewise.
1961 * include/tr1/legendre_function.tcc: Likewise.
1962 * include/tr1/modified_bessel_func.tcc: Likewise.
1963 * include/tr1/riemann_zeta.tcc: Likewise.
1965 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
1967 * doc/xml/manual/allocator.xml: Link to table documenting evolution
1968 of extension allocators.
1969 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
1970 Document new headers in 7.2, 8.1 and 9.1 releases.
1971 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
1972 * doc/html/*: Regenerate.
1974 2019-03-12 John David Anglin <dave.anglin@bell.net>
1977 * testsuite/lib/libstdc++.exp: Locate libatomic.
1978 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
1979 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
1981 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1982 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
1983 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
1984 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
1986 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
1989 * configure.ac: Check for sockatmark.
1990 * crossconfig.m4: Check for sockatmark.
1991 * config.h.in: Regenerate.
1992 * configure: Regenerate.
1993 * include/experimental/internet (address_v4::_S_hton): Rename
1994 overloaded functions to _S_hton_16 and _S_ntoh_16.
1995 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
1996 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
1997 * include/experimental/socket (basic_socket::at_mark): Check
1998 _GLIBCXX_HAVE_SOCKATMARK.
2000 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
2001 const variables instead of macros.
2004 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
2005 Use correct type for len_aligned.
2006 * testsuite/20_util/hash/89629.cc: New test.
2008 2019-03-11 Jakub Jelinek <jakub@redhat.com>
2011 * include/std/atomic (atomic<T>::store, atomic<T>::load,
2012 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
2013 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
2014 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
2015 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
2016 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
2017 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
2018 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
2019 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
2020 memory_order_seq_cst to int.
2022 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
2024 * doc/xml/manual/using.xml: Use link element instead of xref.
2025 * doc/html/*: Regenerate.
2027 * include/bits/fs_path.h (path::format): Add fixed underlying type.
2029 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
2032 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
2033 parameters in deduction guides.
2034 * include/debug/multimap.h (multimap): Likewise.
2035 * include/debug/set.h (multimap): Likewise.
2036 * include/debug/multiset.h (multimap): Likewise.
2037 * include/debug/unordered_map (unordered_map): Likewise.
2038 (unordered_multimap): Likewise.
2039 * include/debug/unordered_set (unordered_set): Likewise.
2040 (unordered_multiset): Likewise.
2043 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
2044 Invalidate all iterators in case of rehash.
2045 (unordered_multimap<>::_M_check_rehashed): Likewise.
2046 * include/debug/unordered_set
2047 (unordered_set<>::_M_check_rehashed): Likewise.
2048 (unordered_multiset<>::_M_check_rehashed): Likewise.
2049 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
2051 2019-03-07 Andreas Schwab <schwab@suse.de>
2053 * config/abi/post/riscv64-linux-gnu: New directory.
2054 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
2056 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
2058 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
2059 compile test to run. Fix typo.
2061 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
2062 * doc/html/*: Regenerate.
2064 P0356R5 Simplified partial function application
2065 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
2066 helpers for bind_front.
2067 (bind_front, __cpp_lib_bind_front): Define.
2068 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
2070 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
2072 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
2073 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
2074 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
2075 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2077 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
2079 PR libstdc++/86655 - std::assoc_legendre should not constrain
2080 the value of m (or x).
2081 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
2082 __sph_legendre): If degree > order Don't throw, return 0.
2083 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
2084 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
2085 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
2086 * testsuite/tr1/5_numerical_facilities/special_functions/
2087 02_assoc_legendre/pr86655.cc: New test.
2088 * testsuite/tr1/5_numerical_facilities/special_functions/
2089 22_sph_legendre/pr86655.cc: New test.
2091 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
2094 Also PR libstdc++/85517
2095 * include/std/variant (__do_visit): New.
2096 (__variant_cast): Likewise.
2097 (__variant_cookie): Likewise.
2098 (__erased_*): Remove.
2099 (_Variant_storage::_S_vtable): Likewise.
2100 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
2101 (_Variant_storage::__M_reset): Adjust.
2102 (__variant_construct): New.
2103 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
2104 __variant_construct.
2105 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
2106 (_Move_ctor_base::__M_destructive_copy): New.
2107 (_Move_ctor_base::__M_destructive_move): Adjust to use
2108 __variant_construct.
2109 (_Copy_assign_base::operator=): Adjust to use __do_visit.
2110 (_Copy_assign_alias): Adjust to check both copy assignment
2111 and copy construction for triviality.
2112 (_Move_assign_base::operator=): Adjust to use __do_visit.
2113 (_Multi_array): Add support for visitors that accept and return
2115 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
2116 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
2117 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
2118 a __variant_cookie temporary for a variant that is valueless and..
2119 (__gen_vtable_impl::__visit_invoke): ..adjust here.
2120 (__gen_vtable::_Array_type): Conditionally make space for
2121 the __variant_cookie visitor case.
2122 (__variant_construct_by_index): New.
2123 (get_if): Adjust to use std::addressof.
2124 (relops): Adjust to use __do_visit.
2125 (variant): Add __variant_cast and __variant_construct_by_index
2127 (variant::emplace): Use _M_reset() and __variant_construct_by_index
2128 instead of self-destruction.
2129 (variant::swap): Adjust to use __do_visit.
2130 (visit): Reimplement in terms of __do_visit.
2131 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
2132 * testsuite/20_util/variant/compile.cc: Adjust.
2133 * testsuite/20_util/variant/run.cc: Likewise.
2135 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
2137 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
2139 * testsuite/experimental/feat-char8_t.cc: Likewise.
2141 * include/std/type_traits [C++20] (is_bounded_array)
2142 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
2144 * testsuite/20_util/is_bounded_array/requirements/
2145 explicit_instantiation.cc: New test.
2146 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
2148 * testsuite/20_util/is_bounded_array/value.cc: New test.
2149 * testsuite/20_util/is_unbounded_array/requirements/
2150 explicit_instantiation.cc: New test.
2151 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
2153 * testsuite/20_util/is_unbounded_array/value.cc: New test.
2155 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
2157 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
2159 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
2161 * include/c_compatibility/math.h [C++20] (lerp): Add using
2163 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
2164 (__lerp): Define function template to implement lerp.
2165 (lerp(float, float, float), lerp(double, double, double))
2166 (lerp(long double, long double, long double)): Define for C++20.
2167 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
2168 (midpoint(T, T), midpoint(T*, T*)): Define.
2169 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
2170 * testsuite/26_numerics/lerp.cc: New test.
2171 * testsuite/26_numerics/midpoint/floating.cc: New test.
2172 * testsuite/26_numerics/midpoint/integral.cc: New test.
2173 * testsuite/26_numerics/midpoint/pointer.cc: New test.
2175 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
2177 PR libstdc++/88996 Implement P0439R0
2178 Make std::memory_order a scoped enumeration.
2179 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
2180 add variables for the old enumerators. Adjust calls.
2181 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
2182 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
2184 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
2186 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
2189 * include/std/memory_resource (polymorphic_allocator): Add default
2190 template argument for C++20.
2191 (polymorphic_allocator::allocate_bytes)
2192 (polymorphic_allocator::deallocate_bytes)
2193 (polymorphic_allocator::allocate_object)
2194 (polymorphic_allocator::deallocate_object)
2195 (polymorphic_allocator::new_object)
2196 (polymorphic_allocator::delete_object): New member functions for
2198 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
2201 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
2204 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
2207 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
2209 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
2210 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
2212 * include/std/memory (uses_allocator_construction_args): New set of
2213 overloaded functions.
2214 (make_obj_using_allocator, uninitialized_construct_using_allocator):
2216 * include/std/memory_resource (polymorphic_allocator::construct)
2217 [__cplusplus > 201703l]: Replace all overloads with a single function
2218 using uses_allocator_construction_args.
2219 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
2221 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
2223 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
2226 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
2227 stylesheet directories before check for xsltproc. Try to use
2228 xmlcatalog to find local stylesheet directory before trying hardcoded
2229 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
2230 check to look for the same stylesheet as doc/Makefile.am uses. Don't
2231 use xsltproc if xmlcatalog fails to find a local stylesheet.
2232 * configure.ac: Check for xmlcatalog.
2233 * Makefile.in: Regenerate.
2234 * configure: Likewise.
2235 * doc/Makefile.in: Likewise.
2236 * include/Makefile.in: Likewise.
2237 * libsupc++/Makefile.in: Likewise.
2238 * po/Makefile.in: Likewise.
2239 * python/Makefile.in: Likewise.
2240 * src/Makefile.in: Likewise.
2241 * src/c++11/Makefile.in: Likewise.
2242 * src/c++17/Makefile.in: Likewise.
2243 * src/c++98/Makefile.in: Likewise.
2244 * src/filesystem/Makefile.in: Likewise.
2245 * testsuite/Makefile.in: Likewise.
2247 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
2250 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
2251 container deduction guides.
2252 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
2253 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
2254 parameters in deduction guides.
2255 * include/bits/stl_multimap.h (multimap): Likewise.
2256 * include/bits/stl_multiset.h (multiset): Likewise.
2257 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
2258 * include/bits/stl_set.h (set): Likewise.
2259 * include/bits/stl_stack.h (stack): Likewise.
2260 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
2261 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
2262 constrain parameters in deduction guides.
2263 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
2265 * testsuite/23_containers/map/cons/deduction.cc: Test additional
2267 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
2268 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
2269 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
2270 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
2272 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
2274 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
2277 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
2278 to class template and partial specialization using void_t.
2279 (__is_copy_insertable, __is_move_insertable): Adjust base class.
2281 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
2284 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
2285 copy and move members public.
2287 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
2289 * include/std/type_traits (__underlying_type_impl): New helper to
2290 make underlying_type SFINAE-friendly.
2291 (underlying_type): Derive from __underlying_type_impl.
2292 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
2296 * include/bits/char_traits.h (__constant_char_array): Check index is
2297 in range before dereferencing.
2298 (char_traits<char>::compare, char_traits<char>::find)
2299 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
2300 immediately if n is zero.
2301 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
2302 Remove workarounds for PR 67026.
2303 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
2305 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
2308 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
2310 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
2311 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
2313 2019-02-22 Jakub Jelinek <jakub@redhat.com>
2316 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
2317 type to std::size_t and argument to type to long double.
2319 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
2321 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
2322 * config/abi/post/sparc64-linux-gnu: New directory.
2323 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
2324 * config/abi/post/sparc64-linux-gnu/32: New directory.
2325 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
2327 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
2329 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
2330 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
2333 2019-02-22 Tom Honermann <tom@honermann.net>
2335 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
2336 printers for u8string and u8string_view.
2338 2019-02-22 Tom Honermann <tom@honermann.net>
2340 * testsuite/18_support/byte/ops.cc: Validate
2341 std::to_integer<char8_t>, std::to_integer<char16_t>, and
2342 std::to_integer<char32_t>.
2343 * testsuite/18_support/numeric_limits/dr559.cc: Validate
2344 std::numeric_limits<char8_t>.
2345 * testsuite/18_support/numeric_limits/lowest.cc: Validate
2346 std::numeric_limits<char8_t>::lowest().
2347 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
2348 std::numeric_limits<char8_t>::max_digits10.
2349 * testsuite/18_support/type_info/fundamental.cc: Validate
2350 typeinfo for char8_t.
2351 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
2352 std::from_chars with char8_t.
2353 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
2354 Validate explicit instantiation of std::hash<char8_t>.
2355 * testsuite/20_util/is_integral/value.cc: Validate
2356 std::is_integral<char8_t>.
2357 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
2358 Validate std::make_signed<char8_t>.
2359 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
2360 Validate u8string construction from char8_t sources.
2361 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
2363 * testsuite/21_strings/basic_string_view/operations/compare/
2364 char/70483.cc: Validate substr operations on u8string_view.
2365 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
2366 the u8string_view typedef is defined.
2367 * testsuite/21_strings/char_traits/requirements/
2368 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
2370 * testsuite/21_strings/char_traits/requirements/
2371 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
2372 constexpr member functions.
2373 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
2374 that the u8string typedef is defined.
2375 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
2376 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
2377 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
2378 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
2380 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
2381 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
2383 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
2384 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
2385 Validate std::atomic<char8_t>::is_always_lock_free
2386 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
2387 Update line numbers.
2388 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
2390 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
2392 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
2393 Validate std::experimental::pmr::u8string.
2394 * testsuite/experimental/string_view/typedefs.cc: Validate that the
2395 u8string_view typedef is defined.
2396 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
2397 char32_t to the typelists.
2399 2019-02-22 Tom Honermann <tom@honermann.net>
2401 * include/ext/typelist.h: Constrain a partial specialization of
2402 typelist::detail::append_ to only match chain<T1,T2>.
2404 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
2407 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
2408 class template with class. Replace move and copy member types with
2409 member alias templates, so they are only instantiated when needed.
2410 (__is_copy_insertable, __is_move_insertable): Adjust base class.
2411 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
2412 test for C++11/14/17 as well.
2413 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
2416 2019-02-20 Jakub Jelinek <jakub@redhat.com>
2419 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
2420 _GLIBCXX_PURE to the alias declaration.
2422 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
2424 * testsuite/21_strings/basic_string/literals/types.cc
2425 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
2426 * testsuite/21_strings/basic_string/literals/values.cc
2427 [_GLIBCXX_USE_CHAR8_T]: Likewise.
2428 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
2429 potentially having different type.
2430 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
2431 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
2433 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
2434 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
2435 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
2436 string literals only using basic character set.
2437 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
2438 u8 literals to char.
2439 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
2440 Test ATOMIC_CHAR8_T_LOCK_FREE.
2441 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
2442 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
2443 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
2444 * testsuite/experimental/string_view/literals/types.cc
2445 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
2447 * testsuite/experimental/string_view/literals/values.cc
2448 [_GLIBCXX_USE_CHAR8_T]: Likewise.
2450 2019-02-19 Tom Honermann <tom@honermann.net>
2452 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
2453 from char16_32_t.cc; validates numeric_limits<char8_t>.
2454 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
2455 test cloned from types.cc; validates operator""s for char8_t
2457 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
2458 test cloned from values.cc; validates construction and comparison
2460 * testsuite/21_strings/basic_string/requirements/
2461 /explicit_instantiation/char8_t/1.cc: New test cloned from
2462 char16_t/1.cc; validates explicit instantiation of
2463 basic_string<char8_t>.
2464 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
2465 New test cloned from types.cc; validates operator""sv for char8_t
2466 returns u8string_view.
2467 * testsuite/21_strings/basic_string_view/literals/
2468 values-char8_t.cc: New test cloned from values.cc; validates
2469 construction and comparison of u8string_view values.
2470 * testsuite/21_strings/basic_string_view/requirements/
2471 explicit_instantiation/char8_t/1.cc: New test cloned from
2472 char16_t/1.cc; validates explicit instantiation of
2473 basic_string_view<char8_t>.
2474 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
2475 New test cloned from char16_t/65049.cc; validates that
2476 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
2477 * testsuite/21_strings/char_traits/requirements/char8_t/
2478 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
2479 that char_traits<char8_t> member typedefs are present and correct.
2480 * testsuite/21_strings/char_traits/requirements/
2481 explicit_instantiation/char8_t/1.cc: New test cloned from
2482 char16_t/1.cc; validates explicit instantiation of
2483 char_traits<char8_t>.
2484 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
2485 from char16_t.cc: validates
2486 codecvt<char16_t, char8_t, mbstate_t>.
2487 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
2488 from char32_t.cc: validates
2489 codecvt<char32_t, char8_t, mbstate_t>.
2490 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
2491 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
2492 codecvt<char32_t, char8_t, std::mbstate_t>.
2493 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
2494 test cloned from string.cc; validates filesystem::path construction
2496 * testsuite/experimental/feat-char8_t.cc: New test; validates that
2497 the __cpp_lib_char8_t feature test macro is defined with the
2499 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
2500 New test cloned from string.cc; validates filesystem::path
2501 construction from char8_t input.
2502 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
2503 test cloned from types.cc; validates operator""sv for char8_t
2504 returns u8string_view.
2505 * testsuite/experimental/string_view/literals/values-char8_t.cc:
2506 New test cloned from values.cc; validates construction and
2507 comparison of u8string_view values.
2508 * testsuite/experimental/string_view/requirements/
2509 explicit_instantiation/char8_t/1.cc: New test cloned from
2510 char16_t/1.cc; validates explicit instantiation of
2511 basic_string_view<char8_t>.
2512 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
2513 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
2516 2019-02-19 Tom Honermann <tom@honermann.net>
2518 P0482R5 char8_t: Standard library support
2519 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
2520 typeinfo symbols for char8_t.
2521 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
2522 (GLIBCXX_3.4.26): Add symbols for specializations of
2523 numeric_limits and codecvt that involve char8_t.
2524 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
2525 * include/bits/atomic_base.h: Add atomic_char8_t.
2526 * include/bits/basic_string.h: Add std::hash<u8string> and
2527 operator""s(const char8_t*, size_t).
2528 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
2530 * include/bits/char_traits.h: Add char_traits<char8_t>.
2531 * include/bits/codecvt.h: Add
2532 codecvt<char16_t, char8_t, mbstate_t>,
2533 codecvt<char32_t, char8_t, mbstate_t>,
2534 codecvt_byname<char16_t, char8_t, mbstate_t>, and
2535 codecvt_byname<char32_t, char8_t, mbstate_t>.
2536 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
2537 recognize char8_t as an integral type.
2538 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
2540 (path::u8string): Return std::u8string when char8_t support is
2542 (path::generic_u8string): Likewise.
2543 (path::_S_convert): Handle conversion from char8_t input.
2544 (path::_S_str_convert): Likewise.
2545 * include/bits/functional_hash.h: Add hash<char8_t>.
2546 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
2548 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
2549 for new char8_t specializations.
2550 * include/bits/localefwd.h: Add missing declarations of
2551 codecvt<char16_t, char, mbstate_t> and
2552 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
2553 codecvt<char16_t, char8_t, mbstate_t> and
2554 codecvt<char32_t, char8_t, mbstate_t>.
2555 * include/bits/postypes.h: Add u8streampos
2556 * include/bits/stringfwd.h: Add declarations of
2557 char_traits<char8_t> and u8string.
2558 * include/c_global/cstddef: Add __byte_operand<char8_t>.
2559 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
2561 (path::u8string): Return std::u8string when char8_t support is
2563 (path::generic_u8string): Likewise.
2564 (path::_S_convert): Handle conversion from char8_t input.
2565 (path::_S_str_convert): Likewise.
2566 * include/experimental/string: Add u8string.
2567 * include/experimental/string_view: Add u8string_view,
2568 hash<experimental::u8string_view>, and
2569 operator""sv(const char8_t*, size_t).
2570 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
2571 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
2572 as a character type.
2573 * include/std/limits: Add numeric_limits<char8_t>.
2574 * include/std/string_view: Add u8string_view,
2575 hash<experimental::u8string_view>, and
2576 operator""sv(const char8_t*, size_t).
2577 * include/std/type_traits: Add __is_integral_helper<char8_t>,
2578 __make_unsigned<char8_t>, and __make_signed<char8_t>.
2579 * libsupc++/atomic_lockfree_defines.h: Define
2580 ATOMIC_CHAR8_T_LOCK_FREE.
2581 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
2582 codecvt.cc and limits.cc so that char8_t specializations of
2583 numeric_limits and codecvt and emitted.
2584 * src/c++11/Makefile.in: Likewise.
2585 * src/c++11/codecvt.cc: Define members of
2586 codecvt<char16_t, char8_t, mbstate_t>,
2587 codecvt<char32_t, char8_t, mbstate_t>,
2588 codecvt_byname<char16_t, char8_t, mbstate_t>, and
2589 codecvt_byname<char32_t, char8_t, mbstate_t>.
2590 * src/c++11/limits.cc: Define members of
2591 numeric_limits<char8_t>.
2592 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
2593 locale_init.cc and localename.cc.
2594 * src/c++98/Makefile.in: Likewise.
2595 * src/c++98/locale_init.cc: Add initialization for the
2596 codecvt<char16_t, char8_t, mbstate_t> and
2597 codecvt<char32_t, char8_t, mbstate_t> facets.
2598 * src/c++98/localename.cc: Likewise.
2599 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
2601 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
2603 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
2604 * 27_io/filesystem/operations/resize_file.cc: Likewise.
2605 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
2607 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
2609 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
2610 * doc/html/*: Regenerate.
2612 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
2613 * doc/html/*: Regenerate.
2615 * doc/xml/manual/intro.xml: Document LWG 2586 status.
2616 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
2617 allocator type in is_constructible checks.
2618 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
2619 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
2620 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
2621 problematic type from LWG 2586 discussion.
2622 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
2623 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
2625 * configure.ac: Check for C11 timespec_get function.
2626 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
2628 * config.h.in: Regenerate.
2629 * configure: Regenerate.
2630 * include/c_global/ctime (timespec, timespec_get): Add to namespace
2631 std for C++17 and up.
2633 * doc/xml/manual/intro.xml: Document LWG 2537 status.
2634 * include/bits/stl_queue.h
2635 (priority_queue(const Compare&, const Container&, const Alloc&))
2636 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
2638 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
2640 * doc/xml/manual/intro.xml: Document LWG 2566 status.
2641 * include/bits/stl_queue.h (queue, priority_queue): Add static
2642 assertions to enforce LWG 2566 requirement on value_type.
2643 * include/bits/stl_stack.h (stack): Likewise.
2646 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
2648 * doc/xml/manual/intro.xml: Document LWG 2735 status.
2649 * include/bits/std_abs.h: Add comment about LWG 2735.
2650 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
2652 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
2655 * include/std/version [__cpp_impl_destroying_delete]
2656 (__cpp_lib_destroying_delete): Only define for C++2a and later.
2657 * libsupc++/new [__cpp_impl_destroying_delete]
2658 (__cpp_lib_destroying_delete): Likewise.
2659 (destroying_delete_t, destroying_delete): Likewise, but define even
2660 when __cpp_impl_destroying_delete is not defined.
2661 * testsuite/18_support/destroying_delete.cc: New test.
2663 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
2666 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
2667 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
2668 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
2669 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
2671 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
2674 * include/bits/fs_path.h (path::has_root_name)
2675 (path::has_root_directory, path::has_root_path)
2676 (path::has_relative_path, path::has_parent_path)
2677 (path::has_filename, path::has_stem, path::has_extension)
2678 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
2680 * src/c++17/fs_path.cc (path::has_root_name)
2681 (path::has_root_directory, path::has_root_path)
2682 (path::has_relative_path, path::has_parent_path)
2683 (path::has_filename, path::_M_find_extension): Add noexcept.
2685 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
2687 PR libstdc++/89102 (partial)
2688 * include/std/type_traits (common_type<>): Define.
2689 (common_type<T>): Derive from common_type<T, T>.
2690 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
2691 Test zero-length template argument list.
2692 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
2693 Test additional single argument cases.
2694 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
2695 Adjust expected error.
2697 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
2700 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
2702 * include/bits/stl_stack.h (stack): Likewise.
2703 * testsuite/23_containers/priority_queue/deduction.cc: New test.
2704 * testsuite/23_containers/queue/deduction.cc: New test.
2705 * testsuite/23_containers/stack/deduction.cc: New test.
2708 * include/std/type_traits (__is_convertible_helper)
2709 (__is_convertible_helper<_From, _To, false>): Revert changes to
2710 support is_nothrow_convertible.
2711 (__is_nt_convertible_helper): New helper.
2712 (is_nothrow_convertible): Use __is_nt_convertible_helper.
2714 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
2715 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
2718 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
2719 __is_alloc_insertable_impl. Replace single type member with two
2720 members, one for each of copy and move insertable.
2721 (__is_move_insertable): New trait for internal use.
2722 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
2723 (vector::_S_nothrow_relocate(true_type)): New functions to
2724 conditionally check if __relocate_a can throw.
2725 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
2726 on __is_move_insertable.
2727 (vector::_S_do_relocate): New overloaded functions to conditionally
2729 (vector::_S_relocate): New function that dispatches to _S_do_relocate
2730 based on _S_use_relocate.
2731 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2732 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
2733 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
2736 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
2737 parameter unnamed. Add message to static assertion.
2738 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2739 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
2742 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
2745 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
2747 (__is_bitwise_relocatable): ... to this.
2748 (__relocate_a_1): Adapt.
2749 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
2750 (__is_bitwise_relocatable): ... to this.
2752 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
2755 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
2756 final component as well as from _M_pathname. Append the dot using
2757 operator+= instead of only to _M_pathname.
2758 (path::_M_find_extension): Reformat slightly.
2759 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
2760 Add more test cases.
2762 2019-01-30 Ulrich Drepper <drepper@redhat.com>
2764 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
2766 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
2768 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
2769 constexpr specifiers from arg and proj.
2771 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
2772 __shared_ptr instantiations used by gcc4-compatible ABI.
2774 * include/experimental/forward_list (experimental::erase): Qualify
2776 * include/experimental/list (experimental::erase): Likewise.
2777 * include/std/forward_list (std::erase): Likewise.
2778 * include/std/list (std::erase): Likewise.
2780 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
2782 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
2783 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
2784 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
2785 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
2786 * testsuite/ext/array_allocator/26875.cc: Likewise.
2787 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
2788 * testsuite/util/replacement_memory_operators.h: Likewise.
2789 * testsuite/util/testsuite_allocator.h: Likewise.
2791 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
2792 normal mode vector, even for debug mode.
2793 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
2794 Define alias template for normal mode vector.
2796 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
2799 * config/locale/generic/c_locale.h (__convert_from_v)
2800 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2801 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2802 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
2803 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2805 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
2808 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
2809 data member with static member function _S_use_relocate().
2810 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2811 (vector::_M_default_append): Use _S_use_relocate() instead of
2814 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
2817 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
2820 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
2821 write to stderr instead of using printf.
2823 2019-01-21 Jakub Jelinek <jakub@redhat.com>
2826 * include/bits/char_traits.h (__constant_string_p,
2827 __constant_char_array_p): Use __builtin_is_constant_evaluated if
2830 2019-01-20 Ulrich Drepper <drepper@redhat.com>
2832 Implement C++20 P0600r1.
2833 * include/backward/hash_map: Add nodiscard attribute to empty.
2834 * include/backward/hash_set: Likewise.
2835 * backward/hashtable.h: Likewise.
2836 * include/bits/basic_string.h: Likewise.
2837 * include/bits/forward_list.h: Likewise.
2838 * include/bits/hashtable.h: Likewise.
2839 * include/bits/regex.h: Likewise.
2840 * include/bits/stl_deque.h: Likewise.
2841 * include/bits/stl_list.h: Likewise.
2842 * include/bits/stl_map.h: Likewise.
2843 * include/bits/stl_multimap.h: Likewise.
2844 * include/bits/stl_multiset.h: Likewise.
2845 * include/bits/stl_queue.h: Likewise.
2846 * include/bits/stl_set.h: Likewise.
2847 * include/bits/stl_stack.h: Likewise.
2848 * include/bits/stl_tree.h: Likewise.
2849 * include/bits/stl_vector.h: Likewise.
2850 * include/bits/unordered_map.h: Likewise.
2851 * include/bits/unordered_set.h: Likewise.
2852 * include/debug/array: Likewise.
2853 * include/experimental/any: Likewise.
2854 * include/experimental/bits/fs_path.h: Likewise.
2855 * include/experimental/internet: Likewise.
2856 * include/experimental/string_view: Likewise.
2857 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
2859 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
2861 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
2863 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
2865 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
2867 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
2869 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
2871 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
2873 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2874 info_fn_imps.hpp: Likewise.
2875 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2876 left_child_next_sibling_heap_.hpp: Likewise.
2877 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
2879 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
2881 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
2883 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
2885 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
2887 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
2889 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
2891 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
2892 * include/ext/pb_ds/trie_policy.hpp: Likewise.
2893 * include/ext/rope: Likewise.
2894 * include/ext/slist: Likewise.
2895 * include/ext/vstring.h: Likewise.
2896 * include/profile/array: Likewise.
2897 * include/std/array: Likewise.
2898 * include/tr1/array: Likewise.
2899 * include/tr1/hashtable.h: Likewise.
2900 * include/tr1/regex: Likewise.
2901 * include/tr2/dynamic_bitset: Likewise.
2902 * include/bits/alloc_traits.h: Add nodiscard attribute to
2904 * include/experimental/memory_resource: Likewise.
2905 * include/ext/alloc_traits.h: Likewise.
2906 * include/ext/array_allocator.h: Likewise.
2907 * include/ext/bitmap_allocator.h: Likewise.
2908 * include/ext/debug_allocator.h: Likewise.
2909 * include/ext/extptr_allocator.h: Likewise.
2910 * include/ext/mt_allocator.h: Likewise.
2911 * include/ext/new_allocator.h: Likewise.
2912 * include/ext/pool_allocator.h: Likewise.
2913 * include/ext/throw_allocator.h: Likewise.
2914 * include/std/scoped_allocator: Likewise.
2915 * libsupc++/eh_alloc.cc: Likewise.
2916 * include/std/future: Add nodiscard attribute to async.
2917 * libsupc++/new: Add nodiscard attribute to new.
2919 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
2924 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
2925 * include/bits/shared_ptr.h
2926 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
2927 (allocate_shared): Change to use new tag type.
2928 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
2929 Declare new member function.
2930 (_Sp_alloc_shared_tag): Define new type.
2931 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
2932 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
2933 _Sp_make_shared_tag::_S_eq to check type_info.
2934 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
2935 Constrain to prevent being called with _Sp_alloc_shared_tag.
2936 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
2937 Replace constructor with ...
2938 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
2939 reference parameter so address of the new object can be returned to
2940 the caller. Obtain the allocator from the tag type.
2941 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
2942 constructor with ...
2943 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
2944 to the __shared_count constructor.
2945 (__allocate_shared): Change to use new tag type.
2946 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
2948 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
2950 * src/c++17/fs_ops.cc
2951 (equivalent(const path&, const path&, error_code&))
2952 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
2953 compare files instead of relying on incomplete info returned by stat.
2956 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
2957 if the path is already absolute.
2958 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
2959 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
2962 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
2963 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
2964 of filesystem::exists.
2965 (create_directories(const path&, error_code&)): Add assertions.
2966 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
2967 Add workaround for bug in _wstat for paths with trailing slash.
2968 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
2969 for expected behaviour on mingw.
2970 * testsuite/experimental/filesystem/operations/create_directories.cc:
2972 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
2973 "TMP" instead of "TMPDIR" and clean environment before each test. Do
2974 not test permissions on mingw targets.
2976 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
2978 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
2979 constructors and open members taking wide strings. Fix patterns for
2980 filesystem::path members to match wstring_view parameters. Add
2981 exports for shared_ptr members used by directory iterators.
2982 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
2983 error code parameter if the file doesn't exist.
2984 * src/filesystem/ops.cc (remove(const path&, error_code&)):
2986 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
2987 values for mingw targets, where "/" is not an absolute path. Do not
2988 test symlinks on mingw targets.
2989 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
2990 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
2992 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
2993 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
2994 that each component of the path is created.
2995 * testsuite/experimental/filesystem/operations/create_directories.cc:
2997 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
2998 permissions on mingw targets.
2999 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3000 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
3001 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3002 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
3004 * testsuite/experimental/filesystem/operations/permissions.cc:
3006 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
3007 symlinks or permissions on mingw targets.
3008 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3009 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
3010 symlinks on mingw targets.
3011 * testsuite/experimental/filesystem/operations/remove_all.cc:
3013 * testsuite/27_io/filesystem/operations/status.cc: Do not test
3014 permissions on mingw targets.
3015 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
3016 test symlinks on mingw targets.
3017 * testsuite/experimental/filesystem/operations/space.cc: Fix test
3020 2019-02-14 Ulrich Drepper <drepper@redhat.com>
3023 Warn about unused comparisons of shared_ptr/unique_ptr
3024 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
3025 * include/bits/shared_ptr.h: Use it for operator ==, !=,
3026 <, <=, >, >= for shared_ptr.
3027 * include/bits/unique_ptr.h: Likewise for unique_ptr.
3029 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
3031 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
3032 as 201611L, because P0497R0 changes are supported.
3033 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
3035 * include/bits/erase_if.h [__cplusplus > 201703L]
3036 (__cpp_lib_erase_if): Only define for C++2a.
3037 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
3038 (__cpp_lib_null_iterators): Define.
3039 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
3040 (__cpp_lib_null_iterators): Define.
3041 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
3043 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
3045 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
3047 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
3048 changes are supported.
3049 * include/std/optional (__cpp_lib_optional): Likewise.
3050 * include/std/variant (__cpp_lib_variant): Likewise.
3051 * include/std/version [!__STRICT_ANSI__]
3052 (__cpp_lib_uncaught_exceptions): Define as long integer.
3053 [__cplusplus >= 201703L] (__cpp_lib_any)
3054 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
3055 (__cpp_lib_variant): Define for C++17.
3056 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
3058 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
3061 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
3063 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
3067 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
3069 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
3072 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
3074 * doc/xml/manual/intro.xml: Include new section.
3075 * doc/xml/manual/status_cxx2017.xml: Document more
3076 implementation-defined properties of the library.
3077 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
3078 * doc/html/*: Regenerate.
3080 * include/bits/refwrap.h [__cplusplus > 201703L]
3081 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
3082 (_Reference_wrapper_base_memfun): Do not define for C++2a.
3083 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
3085 (reference_wrapper::operator()): Add static assertion.
3086 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
3088 * include/std/chrono (duration_values::zero(), duration_values::min())
3089 (duration_values::max()): Add noexcept.
3090 (duration::zero(), duration::min(), duration::max()): Likewise.
3091 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
3092 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
3093 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
3095 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
3097 2019-01-11 Jakub Jelinek <jakub@redhat.com>
3099 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
3100 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
3102 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
3105 * include/bits/functional_hash.h (hash<nullptr_t>): Define
3106 specialization for C++17 (P0513R0, LWG 2817).
3107 * testsuite/20_util/hash/nullptr.cc: New test.
3110 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
3111 pattern for std::basic_stringbuf::str().
3113 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
3114 basic_ostream::operator<< patterns.
3116 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
3118 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
3119 test failures on targets with 32-bit time_t.
3121 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
3122 * include/std/deque: Likewise.
3123 * include/std/forward_list: Likewise.
3124 * include/std/list: Likewise.
3125 * include/std/string: Likewise.
3126 * include/std/vector: Likewise.
3127 * include/std/version: Likewise.
3128 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
3129 * testsuite/23_containers/deque/erasure.cc: Likewise.
3130 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
3131 * testsuite/23_containers/list/erasure.cc: Likewise.
3132 * testsuite/23_containers/map/erasure.cc: Likewise.
3133 * testsuite/23_containers/set/erasure.cc: Likewise.
3134 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
3135 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
3136 * testsuite/23_containers/vector/erasure.cc: Likewise.
3138 * include/experimental/internet [AI_NUMERICSERV]
3139 (resolver_base::numeric_service): Define conditionally.
3140 * testsuite/experimental/net/internet/resolver/base.cc: Test it
3142 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
3145 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
3146 Jonathan Wakely <jwakely@redhat.com>
3149 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
3150 (GLIBCXX_3.4.26): Add new exports.
3151 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
3152 correct list of sources.
3153 * include/Makefile.in: Regenerate.
3154 * include/std/ostream (operator<<(nullptr_t)): New member function.
3155 * src/c++17/ostream-inst.cc: New file.
3156 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
3159 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
3161 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
3162 of the source file containing the caller.
3163 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
3164 directories created by test.
3165 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3167 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3169 * testsuite/experimental/filesystem/iterators/
3170 recursive_directory_iterator.cc: Likewise.
3172 2019-01-10 Jakub Jelinek <jakub@redhat.com>
3174 PR tree-optimization/88775
3175 * include/bits/stl_function.h (greater<_Tp*>::operator(),
3176 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
3177 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
3178 instead of __builtin_constant_p if available. Don't bother with
3179 the pointer comparison in C++11 and earlier.
3181 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
3185 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
3188 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
3190 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
3191 for filesystem::path. Give variables more distinctive names.
3193 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
3194 member function to perform non-trivial assignment.
3195 (_Optional_payload_base::_M_move_assign): Likewise.
3196 (_Optional_payload<T, true, false, true>::operator=)
3197 (_Optional_payload<T, true, true, false>::operator=)
3198 (_Optional_payload<T, true, false, false>::operator=): Call
3199 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
3202 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
3203 test std::complex<long double> if long double format is IBM128.
3204 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
3207 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
3209 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
3210 for old std::unique_ptr layout.
3211 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
3212 to become valueless. Add filesystem::path tests.
3215 * include/std/optional (_Optional_payload_base): New class template
3216 for common code hoisted from _Optional_payload specializations. Use
3217 a template for the union, to allow a partial specialization for
3218 types with non-trivial destructors. Add constructors for in-place
3219 initialization to the union.
3220 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
3221 to perform non-trivial copy construction, instead of relying on
3222 non-standard copy elision in a delegating constructor.
3223 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
3224 non-trivial move construction.
3225 (_Optional_payload): Derive from _Optional_payload_base and use it
3226 for everything except the non-trivial assignment operators, which are
3228 (_Optional_payload<false, C, M>): Derive from the specialization
3229 _Optional_payload<true, false, false> and add a destructor.
3230 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
3231 Forward to corresponding members of _Optional_payload.
3232 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
3233 Hoist common members from _Optional_base.
3234 (_Optional_base): Make all members and base class public.
3235 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
3236 _Optional_base_impl.
3237 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
3238 support for new std::optional layout.
3239 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
3242 * include/bits/locale_conv.h: Use <> for includes not "".
3243 * include/ext/random: Likewise.
3244 * include/ext/vstring.h: Likewise.
3246 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3248 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
3249 (GLIBCXX_3.4.21): Likewise.
3251 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
3254 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
3255 to match the one that controls whether utimbuf and utime are declared.
3257 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
3260 * include/bits/char_traits.h (char_traits::move): Do not pass null
3261 pointers to memmove.
3262 * include/bits/locale_facets.h
3263 (ctype<char>::widen(const char*, const char*, char*)): Do not
3264 pass null pointers to memcpy.
3265 (ctype<char>::narrow(const char*, const char*, char, char*)):
3267 (ctype<char>::do_widen(const char*, const char*, char*)):
3269 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
3272 * doc/xml/manual/spine.xml: Update copyright years.
3273 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
3274 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
3275 for C++17 filesystem library.
3276 * doc/html/*: Regenerate.
3278 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
3279 * config.h.in: Regenerate.
3280 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
3281 alphabetically and add missing entries for copy_symlink,
3282 hard_link_count, rename, and resize_file.
3283 * configure: Regenerate.
3284 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
3285 used unconditionally.
3286 * src/filesystem/ops-common.h (__gnu_posix::truncate)
3287 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
3288 supports truncating to zero length.
3289 * testsuite/27_io/filesystem/operations/all.cc: New test.
3290 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
3292 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
3295 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
3296 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
3297 * config.h.in: Regenerate.
3298 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
3299 remaining std::filesystem types and functions.
3300 * configure: Regenerate.
3301 * src/c++17/Makefile.am: Add C++17 filesystem sources.
3302 * src/c++17/Makefile.in: Regenerate.
3303 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
3304 here, and change name of included file.
3305 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
3306 here, and change name of included file.
3307 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
3308 path to dir-common.h.
3309 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
3310 path to ops-common.h. Disable -Wunused-parameter warnings.
3311 (internal_file_clock): Define unconditionally.
3312 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
3314 (do_copy_file, do_space): Move definitions to ops.common.h.
3315 (copy, file_size, hard_link_count, last_write_time, space): Only
3316 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
3318 (last_write_time, read_symlink): Remove unused attributes from
3320 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
3321 * src/filesystem/Makefile.in: Regenerate.
3322 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
3323 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
3324 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
3325 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
3326 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
3327 dummy types and functions instead of using #error.
3328 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
3329 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
3331 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
3332 (do_copy_file, do_space): Move definitions here from std-ops.cc.
3333 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
3334 to account for new namespace.
3335 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
3336 -lstdc++fs from dg-options.
3337 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
3338 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
3339 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
3340 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
3341 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
3343 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
3344 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3346 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
3347 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
3348 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
3349 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3350 * testsuite/27_io/filesystem/operations/create_directories.cc:
3352 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
3353 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
3354 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
3355 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
3356 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
3357 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
3358 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
3359 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
3360 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
3361 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
3362 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
3363 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
3364 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
3365 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
3366 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
3367 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
3368 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
3369 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
3371 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
3375 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
3376 typeinfo and vtables less greedy.
3377 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
3378 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
3379 * src/c++17/Makefile.in: Regenerate.
3380 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
3381 here, and change name of included file.
3382 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
3383 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
3385 * src/filesystem/Makefile.in: Regenerate.
3386 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
3387 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
3388 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
3389 from dg-options and remove dg-require-filesystem-ts.
3390 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
3391 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
3392 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
3393 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
3394 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
3395 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
3396 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
3397 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
3398 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
3399 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
3400 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
3401 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
3402 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
3403 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
3404 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
3405 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
3406 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
3407 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
3408 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
3409 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
3410 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
3412 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
3413 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
3414 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
3415 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
3416 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
3417 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
3418 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
3419 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
3420 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
3421 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
3422 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
3423 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
3425 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
3427 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
3429 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
3431 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
3432 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3433 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
3434 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
3435 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3436 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3437 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3438 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3439 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
3440 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3442 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3443 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3444 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3445 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
3446 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3449 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
3450 Check is_trivially_copyable instead of is_scalar.
3451 (variant::emplace<N, Args>(Args&&...)): If construction of the new
3452 contained value can throw and its type is trivially copyable then
3453 construct into a temporary variant and move from it, to provide the
3454 strong exception safety guarantee.
3455 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
3457 * testsuite/20_util/variant/87431.cc: New test.
3458 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
3459 conversion causes valueless state.
3462 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
3463 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
3464 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
3465 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
3466 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
3468 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
3470 * include/bits/fs_fwd.h (__file_clock): Define new clock.
3471 (file_time_type): Redefine in terms of __file_clock.
3472 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
3474 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
3476 (internal_file_lock): New helper type for accessing __file_clock.
3477 (do_copy_file): Use internal_file_lock to convert system time to
3479 (last_write_time(const path&, error_code&)): Likewise.
3480 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
3482 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
3484 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
3485 for const member functions of std::basic_string.
3486 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
3488 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
3489 Make non-standard constructor private.
3490 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
3492 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
3493 explicit instantiations for C++17 as well as earlier dialects.
3494 * src/c++17/Makefile.am: Add new source files.
3495 * src/c++17/Makefile.in: Regenerate.
3496 * src/c++17/cow-string-inst.cc: New file defining explicit
3497 instantiations for basic_string member functions added in C++17.
3498 * src/c++17/string-inst.cc: Likewise.
3500 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
3501 copy/move constructors for old std::basic_string.
3502 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3503 (basic_string::reference, basic_string::const_reference): Define
3504 as plain references for C++11 and later.
3505 (basic_string::basic_string()): Put constructor body outside
3506 preprocessor conditional groups.
3507 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
3508 instead of copying it.
3509 (basic_string::basic_string(const basic_string&, const _Alloc&)):
3511 (basic_string::basic_string(basic_string&&, const _Alloc&)):
3513 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
3514 cases for old basic_string.
3515 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
3516 allocator-extended constructors unconditionally. Add extra members to
3517 allocator type when using old string ABI.
3518 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
3520 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
3522 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
3523 -fno-inline added to test flags.
3525 * testsuite/21_strings/basic_string/requirements/
3526 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
3528 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
3529 assertion failures with old std::string ABI.
3531 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
3533 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
3534 functions that will only erase elements at the end.
3535 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
3536 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
3537 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
3539 (path::_List::pop_back()): Define.
3540 (path::_List::_M_erase_from(const_iterator)): Define.
3541 (path::operator/=(const path&)): Use pop_back to remove last component
3542 and _M_erase_from to remove multiple components.
3543 (path::_M_append(basic_string_view<value_type>)): Likewise.
3544 (path::operator+=(const path&)): Likewise.
3545 (path::_M_concat(basic_string_view<value_type>)): Likewise.
3546 (path::remove_filename()): Likewise.
3547 (path::lexically_normal()): Use _List::_Impl iterators instead of
3548 path::iterator. Use pop_back to remove components from the end. Clear
3549 trailing filename, instead of using erase(const_iterator) to remove
3550 a non-final component.
3551 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
3553 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
3555 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
3556 incorrect treatment of empty filename after trailing slash.
3557 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
3559 * testsuite/21_strings/basic_string/modifiers/assign/char/
3560 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
3562 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
3563 move_assign_optim.cc: Likewise.
3565 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
3566 Jakub Jelinek <jakub@redhat.com>
3569 * include/experimental/memory: Replace UTF-8 quote characters.
3570 * include/std/future: Replace UTF-8 "em dash" characters.
3572 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
3575 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
3576 * include/debug/forward_list: Likewise.
3577 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
3579 * include/experimental/chrono: Likewise.
3580 * include/experimental/functional: Likewise.
3581 * include/experimental/ratio: Likewise.
3582 * include/experimental/system_error: Likewise.
3583 * include/experimental/tuple: Likewise.
3584 * include/experimental/type_traits: Likewise.
3585 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
3586 * include/parallel/multiseq_selection.h: Likewise.
3589 * config/abi/pre/gnu.ver: Add missing exports.
3590 * testsuite/22_locale/collate_byname/88681.cc: New test.
3591 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
3592 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
3594 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
3596 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
3597 initializer_list<value_type> and from input iterator ranges.
3598 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
3600 * testsuite/experimental/string_view/element_access/char/empty.cc:
3601 Fix year range in copyright header.
3603 2019-01-02 Joel Brobecker <brobecker@adacore.com>
3605 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
3606 Fix year range in copyright header.
3608 2019-01-01 Jakub Jelinek <jakub@redhat.com>
3610 Update copyright years.
3612 Copyright (C) 2019 Free Software Foundation, Inc.
3614 Copying and distribution of this file, with or without modification,
3615 are permitted in any medium without royalty provided the copyright
3616 notice and this notice are preserved.