1 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
3 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
4 * include/experimental/type_traits (is_detected_exact)
5 (is_detected_exact_v): Likewise.
6 * include/pstl/execution_defs.h (is_execution_policy)
7 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
8 * include/pstl/execution_impl.h (__policy_traits): Likewise.
9 * testsuite/17_intro/names.cc: Check for more non-reserved names.
10 * testsuite/experimental/names.cc: New test.
13 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
14 assertions from the destructor.
15 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
16 Move static_assert for hash function to here.
17 (_Hash_table_base::_M_equals): Move static_assert for equality
19 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
21 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
22 the value directly instead of calling _S_value.
23 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
24 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
25 _S_key(_Const_Link_type).
26 * testsuite/23_containers/set/85965.cc: Check construction,
27 destruction, assignment and size() do not trigger the assertions.
28 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
29 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
31 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
32 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
33 * testsuite/23_containers/set/48101_neg.cc: Likewise.
34 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
35 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
36 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
37 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
39 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
40 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
43 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
45 * doc/html/*: Regenerate.
46 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
49 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
51 Move from state of allocators (LWG2593)
52 * include/bits/stl_deque.h
53 (_Deque_base(_Deque_base&&, false_type)): Remove.
54 (_Deque_base(_Deque_base&&, true_type)): Remove.
55 (_Deque_base(_Deque_base&&)): Adapt.
56 (_Deque_base::_M_move_impl()): Remove.
57 * testsuite/util/testsuite_allocator.h
58 (propagating_allocator(propagating_allocator&&)): Preserve move from
60 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
62 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
64 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
65 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
66 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
68 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
70 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
71 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
73 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
75 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
77 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
79 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
81 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
83 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
85 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
88 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
90 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
91 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
93 * include/std/variant (__overload_set): Remove.
95 (_Build_FUN): New class template to define a single FUN overload,
96 with specializations to prevent unwanted conversions, as per P0608R3.
97 (_Build_FUNs): New class template to build an overload set of FUN.
98 (_FUN_type): New alias template to perform overload resolution.
99 (__accepted_type): Use integer_constant base for failure case. Use
100 _FUN_type for successful case.
101 (variant::__accepted_index): Use _Tp instead of _Tp&&.
102 (variant::variant(_Tp&&)): Likewise.
103 (variant::operator=(_Tp&&)): Likewise.
105 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
106 Replace raw visitation with a runtime check for the valueless state
107 and a non-raw visitor.
108 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
109 (variant::index()): Remove branch.
110 (variant::swap(variant&)): Use valueless_by_exception() instead of
111 comparing the index to variant_npos, and add likelihood attribute.
113 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
114 (_Hashtable_base::_Equal_hash_code): Define new class template.
115 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
118 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
119 Replace with _M_get non-static member function.
120 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
122 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
123 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
125 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
126 _S_get accessors for members in EBO helpers.
127 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
128 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
130 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
132 (_Hashtable_base::_M_eq()): Remove non-const overload.
134 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
136 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
138 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
140 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
143 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
145 * config/os/solaris/solaris2.10: Move to ...
146 * config/os/solaris: ... this.
147 * configure.host (os_include_dir): Adapt.
148 (abi_baseline_pair): Remove Solaris 10 handling.
149 * config/abi/post/i386-solaris2.10: Remove.
150 * config/abi/post/sparc-solaris2.10: Remove.
151 * config/abi/post/i386-solaris2.11: Rename to ...
152 * config/abi/post/i386-solaris: ... this.
153 * config/abi/post/sparc-solaris2.11: Rename to ...
154 * config/abi/post/sparc-solaris: ... this.
156 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
159 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
162 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
164 * include/std/variant (__visit_with_index): Remove typedef.
165 (__deduce_visit_result): New tag type.
166 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
167 visitation of possibly-valueless variants, forwarding to __do_visit
168 with the relevant tag type.
169 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
170 and make lambda return void.
171 (__variant_construct): Likewise.
172 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
173 __raw_idx_visit and make lambda return void.
174 (_Multi_array::__untag_result): Add metafunction to check the function
175 pointer type for a tag type that dictates the kind of visitation.
176 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
177 Use decltype(auto) instead of tagged function pointer type.
178 (__gen_vtable_impl): Remove bool non-type parameter and unused
179 _Variant_tuple parameter.
180 (__gen_vtable_impl::__visit_invoke_impl): Remove.
181 (__gen_vtable_impl::__do_visit_invoke): Remove.
182 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
183 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
184 for the visit<R> case, rather than dispatching to separate functions.
185 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
187 (variant::swap): Likewise.
188 (__do_visit): Replace two non-type template parameters with a single
189 type parameter, so that the caller must specify the visitor's return
190 type (or one of the tag types).
191 (visit): Deduce a return type from the visitor and use the
192 __deduce_visit_result tag to enforce that all overloads return the
194 (visit<R>): Call __do_visit<R> with explicit result type.
195 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
198 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
200 nonesuch is insufficiently useless (lwg2996)
201 * include/std/type_traits (struct __nonesuch): Added private base
202 class to make __nonesuch not an aggregate and removed deleted default
204 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
205 (operator=(const pair&)): Use __nonesuch instead of
206 __nonesuch_no_braces.
207 (operator=(pair&&)): Likewise
208 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
209 of __nonesuch_no_braces.
210 (operator=(tuple&&)): Likewise
211 * include/experimental/type_traits (struct nonesuch): Added private
212 base class to make nonesuch not an aggregate and removed deleted
214 * testsuite/20_util/nonesuch/nonesuch.cc: New.
215 * testsuite/experimental/type_traits/nonesuch.cc: New.
217 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
219 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
220 (_Function_handler): Remove partial specializations for void return
221 types and pointers to member.
222 (_Function_handler::_M_manager): Adapt to removal of
223 _Simple_type_wrapper.
224 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
225 * include/std/functional (_Bind_result::__enable_if_void)
226 (_Bind_result::__disable_if_void): Remove sfinae helpers.
227 (_Bind_result::__call): Use __invoke_r and remove overloads for void
229 * include/std/future (__future_base::_Task_state::_M_run)
230 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
231 change return type of lambda expressions.
233 * include/bits/invoke.h (__invoke_r): Define new function implementing
234 the INVOKE<R> pseudo-function.
235 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
236 * testsuite/20_util/function_objects/invoke/2.cc: New test.
238 * include/std/type_traits (__is_nt_convertible_helper): Define it
239 unconditionally, not only for C++20.
240 (__is_nothrow_convertible): Define internal trait for use in C++11.
241 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
242 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
243 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
244 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
245 that has nothrow explicit conversion but potentially-throwing implicit
247 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
248 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
249 function to only consider implicit conversions.
250 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
252 * include/std/iterator: Include <iosfwd> instead of <istream> and
255 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
256 Remove unused, non-standard function.
258 * include/bits/regex.h (match_results::max_size()): Adjust return
259 value to account for prefix/suffix/unmatched subs.
260 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
261 reset the contained sub matches.
262 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
263 function to set result state following a failed match.
264 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
265 sub_match states after _M_resize. Use _M_establish_failed_match.
268 * include/std/thread (thread::_State_impl, thread::_S_make_state):
269 Replace single _Callable parameter with variadic _Args pack, to
270 forward them directly to the tuple of decayed copies.
271 * testsuite/30_threads/thread/cons/69724.cc: New test.
273 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
275 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
276 * include/bits/basic_string.h: (operator=(const basic_string&):
277 Move allocator decision to assign.
278 (assign(const basic_string&)): Move allocator decision here.
279 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
281 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
284 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
286 * testsuite/util/testsuite_allocator.h (memory_resource)
287 (default_resource_mgr): Fix indentation.
289 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
290 Use operator-> to access raw pointer member.
291 * testsuite/23_containers/vector/59829.cc: Likewise.
292 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
293 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
294 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
296 (PointerBase, PointerBase_void): Derive from NullablePointer and use
297 its constructors and equality operators. Change converting
298 constructors to use operator-> to access private member of the other
300 (PointerBase_void::operator->()): Add, for access to private member.
301 (operator-(PointerBase, PointerBase)): Change to hidden friend.
302 (operator==(PointerBase, PointerBase)): Remove.
303 (operator!=(PointerBase, PointerBase)): Remove.
305 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
306 not assume field called _M_head_impl is the first tuple element.
307 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
308 implementation more accurate.
309 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
310 empty pointer type and non-empty deleter.
312 LWG 2899 - Make is_move_constructible correct for unique_ptr
313 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
314 move assignment operator.
315 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
316 (__uniq_ptr_data): New class template with conditionally deleted
318 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
319 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
320 constructor and move assignment operator as defaulted.
321 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
322 __uniq_ptr_impl::release().
323 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
324 to __uniq_ptr_impl::reset(pointer).
325 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
326 Check for new __uniq_ptr_data type.
327 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
329 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
331 PR libstdc++/90454.cc path construction from void*
332 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
333 pointers to void are rejected as well as void.
334 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
335 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
337 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
339 * doc/xml/manual/policy_data_structures.xml: Comment out stray
340 <remark> elements. Fix formatting of bibliography references.
342 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
344 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
346 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
348 Remove Profile Mode, deprecated since 7.1.0
349 * doc/Makefile.am: Remove XML file for profile mode docs.
350 * doc/Makefile.in: Regenerate.
351 * doc/xml/authors.xml: Remove authors of profile mode docs.
352 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
354 * doc/xml/manual/debug.xml: Likewise.
355 * doc/xml/manual/evolution.xml: Document removal of profile mode.
356 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
357 * doc/xml/manual/spine.xml: Remove profile mode author credit.
358 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
360 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
362 * doc/html/*: Regenerate.
363 * include/Makefile.am: Remove profile mode headers.
364 * include/Makefile.in: Regenerate.
365 * include/bits/c++config (std::__profile): Remove namespace.
366 [_GLIBCXX_PROFILE]: Remove checks for macro.
367 * include/profile/array: Remove.
368 * include/profile/base.h: Remove.
369 * include/profile/bitset: Remove.
370 * include/profile/deque: Remove.
371 * include/profile/forward_list: Remove.
372 * include/profile/impl/profiler.h: Remove.
373 * include/profile/impl/profiler_algos.h: Remove.
374 * include/profile/impl/profiler_container_size.h: Remove.
375 * include/profile/impl/profiler_hash_func.h: Remove.
376 * include/profile/impl/profiler_hashtable_size.h: Remove.
377 * include/profile/impl/profiler_list_to_slist.h: Remove.
378 * include/profile/impl/profiler_list_to_vector.h: Remove.
379 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
380 * include/profile/impl/profiler_node.h: Remove.
381 * include/profile/impl/profiler_state.h: Remove.
382 * include/profile/impl/profiler_trace.h: Remove.
383 * include/profile/impl/profiler_vector_size.h: Remove.
384 * include/profile/impl/profiler_vector_to_list.h: Remove.
385 * include/profile/iterator_tracker.h: Remove.
386 * include/profile/list: Remove.
387 * include/profile/map: Remove.
388 * include/profile/map.h: Remove.
389 * include/profile/multimap.h: Remove.
390 * include/profile/multiset.h: Remove.
391 * include/profile/ordered_base.h: Remove.
392 * include/profile/set: Remove.
393 * include/profile/set.h: Remove.
394 * include/profile/unordered_base.h: Remove.
395 * include/profile/unordered_map: Remove.
396 * include/profile/unordered_set: Remove.
397 * include/profile/vector: Remove.
398 * scripts/run_doxygen: Do not process profile mode headers.
399 * testsuite/23_containers/array/element_access/60497.cc: Don't use
401 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
402 Remove dg-skip-if for profile mode.
403 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
404 preprocessor check for profile mode.
405 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
406 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
408 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
410 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
411 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
412 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
413 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
414 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
416 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
418 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
420 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
422 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
423 preprocessor check for profile mode.
424 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
426 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
427 Remove dg-skip-if for profile mode.
428 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
429 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
430 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
431 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
432 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
433 * testsuite/Makefile.am: Remove profile_flags variable and
434 * testsuite/Makefile.am: Remove profile_flags variable and
435 check-profile target.
436 * testsuite/Makefile.in: Regenerate.
437 * testsuite/ext/profile/all.cc: Remove.
438 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
439 * testsuite/ext/profile/profiler_algos.cc: Remove.
440 * testsuite/ext/profile/replace_new.cc: Remove.
441 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
442 preprocessor check for profile mode.
443 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
444 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
445 (check_v3_target_normal_mode): Do not check for profile mode macro.
446 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
448 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
449 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
450 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
451 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
452 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
453 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
454 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
455 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
456 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
457 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
459 Remove array_allocator extension, deprecated since 4.9.0
460 * doc/xml/manual/allocator.xml: Remove documentation for
462 * doc/xml/manual/evolution.xml: Document array_allocator removal.
463 * doc/xml/manual/using.xml: Remove header from documentation.
464 * include/Makefile.am: Remove <ext/array_allocator.h> header.
465 * include/Makefile.in: Regenerate.
466 * include/ext/array_allocator.h: Remove.
467 * include/precompiled/extc++.h: Do not include removed header.
468 * testsuite/ext/array_allocator/1.cc: Remove.
469 * testsuite/ext/array_allocator/2.cc: Remove.
470 * testsuite/ext/array_allocator/26875.cc: Remove.
471 * testsuite/ext/array_allocator/3.cc: Remove.
472 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
473 * testsuite/ext/array_allocator/check_delete.cc: Remove.
474 * testsuite/ext/array_allocator/check_new.cc: Remove.
475 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
476 * testsuite/ext/headers.cc: Do not include removed header.
478 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
480 * include/bits/stl_bvector.h
481 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
483 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
485 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
487 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
489 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
491 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
493 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
495 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
497 (_Bit_iterator::operator-(difference_type)): Likewise.
498 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
499 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
501 (_Bit_const_iterator::operator-(difference_type)): Likewise.
502 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
504 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
507 * testsuite/util/thread/all.h: Do not use remove_pointer for
508 std::thread::native_handle_type.
511 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
512 (_Variant_storage<true, Types...>::_M_reset()))
513 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
514 (__get_storage): Likewise.
515 (variant): Add noexcept to friend declarations for __get and
519 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
520 Use _Require for constraints.
521 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
523 (__uniq_ptr_hash): New base class with conditionally-disabled call
525 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
526 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
527 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
529 * include/bits/shared_ptr.h: Improve docs.
530 * include/bits/shared_ptr_base.h: Likewise.
531 * include/bits/stl_uninitialized.h: Likewise.
532 * include/bits/unique_ptr.h: Likewise.
533 * libsupc++/new: Likewise.
535 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
537 * include/bits/stl_deque.h
538 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
540 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
542 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
544 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
546 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
548 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
550 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
552 (_Deque_iterator<>::operator-(difference_type)): Likewise.
554 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
557 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
558 (test01): Reserve for number of insertions to avoid rehash during test.
559 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
561 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
566 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
568 * include/experimental/bits/fs_path.h: Improve docs.
569 * include/experimental/bits/net.h: Fix wrong header name in comment.
570 Do not document implementation details.
571 * include/experimental/netfwd: Fix doxygen grouping.
573 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
575 * include/bits/stl_pair.h: Improve docs.
576 * include/std/tuple: Likewise.
578 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
580 * include/std/chrono: Improve docs.
581 * include/std/ratio: Do not document implementation details.
582 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
584 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
587 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
588 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
589 (__duration_common_type): New helper.
590 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
591 __duration_common_type.
592 (__timepoint_common_type_wrapper): Replace with ...
593 (__timepoint_common_type): New helper.
594 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
595 Use __time_point_common_type.
596 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
597 (__common_type_impl): If either argument is transformed by decay,
598 use the common_type of the decayed types.
599 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
600 decayed, use __do_common_type_impl to get the common_type.
601 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
602 (__do_member_type_wrapper, __member_type_wrapper)
603 (__expanded_common_type_wrapper): Remove.
604 (__common_type_pack, __common_type_fold): New helpers.
605 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
606 __member_type_wrapper and __expanded_common_type_wrapper.
607 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
608 Test zero-length template argument list.
609 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
610 Test single argument cases and argument types that should decay.
611 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
612 Adjust expected error.
613 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
615 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
616 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
617 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
619 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
621 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
623 Make allocator propagation more consistent for
624 operator+(basic_string) (P1165R1)
625 * include/bits/basic_string.h
626 (operator+(basic_string&&, basic_string&&): Changed resulting
627 allocator to always be the one from the first parameter.
628 * include/bits/basic_string.tcc
629 (operator+(const _CharT*, const basic_string&)): Changed
630 resulting allocator to be SOCCC on the second parameter's allocator.
631 (operator+(_CharT, const basic_string&)): Likewise.
632 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
634 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
637 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
639 * include/bits/regex.h: Improve docs.
640 * include/bits/regex.tcc: Do not document implementation details.
642 * testsuite/19_diagnostics/error_code/hash.cc: New test.
644 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
646 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
647 Add type printer for container types in std::__debug namespace.
648 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
649 (gdb-tests): Use distinct parameters for the type of test and use of
651 (gdb-test): Check for regex test even if 'whatis' test.
652 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
654 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
655 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
656 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
657 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
658 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
659 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
660 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
662 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
664 * include/std/system_error (error_category): Fix comment.
667 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
668 argument is an empty path.
669 (absolute(const path&, error_code&)): Use invalid_argument as error
670 code instead of no_such_file_or_directory.
671 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
672 of non-existent paths and empty paths with both overloads of absolute.
674 * include/std/system_error (error_category, error_code)
675 (error_condition): Improve docs.
676 * libsupc++/exception: Add missing @addtogroup Doxygen command.
677 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
678 to class documentation. Suppress documentation for implementation
680 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
681 Suppress documentation for implementation details.
683 * include/std/system_error (error_code): Remove friend declaration
684 for hash<error_code>.
685 (hash<error_code>::operator()): Use public member functions to access
687 (hash<error_condition>::operator()): Use address of category, not
688 its object representation.
689 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
690 Use public member functions to access value and category.
691 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
693 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
695 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
696 * include/bits/hashtable_policy.h
697 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
698 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
699 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
700 smaller than input value rather than always greater. Preserve
701 _M_next_resize if called with 0 input. Use __builtin_floorl.
702 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
703 elements + number of insertions is greater than _M_next_resize. Start
704 with 11 buckets if not told otherwise. Use __builtin_floorl.
705 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
706 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
707 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
708 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
709 told otherwise. Use __builtin_floorl.
710 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
711 to also validate _Power2_rehash_policy.
712 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
715 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
718 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
722 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
723 overflow warning with -Wpedantic -Wsystem-headers.
725 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
728 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
729 * include/bits/move.h (swap): Remove extra parentheses.
731 * include/experimental/bits/lfts_config.h: Improve doc markup.
732 * include/experimental/optional: Improve docs.
733 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
734 (__constexpr_addressof): Remove.
735 (optional::operator->()): Use std::__addressof().
736 * include/std/optional (optional::operator->()): Adjust whitespace.
737 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
738 that operator-> is still constexpr with overloaded operator&. Change
739 to compile-only test.
740 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
743 * include/bits/shared_ptr.h: Improve docs.
744 * include/bits/shared_ptr_atomic.h: Likewise.
745 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
747 * include/bits/basic_string.h: Fix iterator/index confusion in
749 * include/bits/range_access.h: Fix Doxygen warnings.
750 * include/bits/refwrap.h: Do not document implementation details.
751 (ref, cref): Group docs with reference_wrapper.
752 * include/std/fstream: Fix Doxygen markup.
753 * libsupc++/initializer_list (begin, end): Group docs with
756 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
758 * include/bits/unique_lock.h: Fix/improve doxygen markup.
759 * include/std/mutex: Likewise.
760 * include/std/shared_mutex: Likewise.
762 * include/bits/fs_dir.h: Fix/improve doxygen markup.
763 * include/bits/fs_fwd.h: Likewise.
764 * include/bits/fs_ops.h: Likewise.
765 * include/bits/fs_path.h: Likewise.
766 * include/std/filesystem: Likewise.
768 * include/experimental/bits/net.h: Fix/improve doxygen markup.
769 * include/experimental/buffer: Likewise.
770 * include/experimental/executor: Likewise.
771 * include/experimental/internet: Likewise.
772 * include/experimental/io_context: Likewise.
773 * include/experimental/net: Likewise.
774 * include/experimental/netfwd: Likewise.
775 * include/experimental/socket: Likewise.
776 * include/experimental/timer: Likewise.
778 * doc/doxygen/doxygroups.cc: Move description of experimental group
780 * include/experimental/algorithm: Add to libfund-ts doc group.
781 * include/experimental/any: Likewise. Do not document implementation
783 * include/experimental/array: Add to libfund-ts doc group.
784 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
785 for Library Fundamentals.
786 * include/experimental/chrono: Add to libfund-ts doc group.
787 * include/experimental/deque: Likewise.
788 * include/experimental/forward_list: Likewise.
789 * include/experimental/functional: Likewise.
790 * include/experimental/iterator: Likewise.
791 * include/experimental/list: Likewise.
792 * include/experimental/map: Likewise.
793 * include/experimental/memory: Likewise.
794 * include/experimental/memory_resource: Likewise. Improve docs.
796 * include/experimental/numeric: Add to libfund-ts doc group.
797 * include/experimental/optional: Likewise.
798 * include/experimental/propagate_const: Likewise.
799 * include/experimental/random: Likewise.
800 * include/experimental/ratio: Likewise.
801 * include/experimental/regex: Likewise.
802 * include/experimental/set: Likewise.
803 * include/experimental/source_location: Likewise.
804 * include/experimental/string: Likewise.
805 * include/experimental/string_view: Likewise.
806 * include/experimental/system_error: Likewise.
807 * include/experimental/tuple: Likewise.
808 * include/experimental/type_traits: Likewise.
809 * include/experimental/unordered_map: Likewise.
810 * include/experimental/unordered_set: Likewise.
811 * include/experimental/utility: Likewise.
812 * include/experimental/vector: Likewise.
813 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
814 * testsuite/experimental/array/neg.cc: Adjust dg-error.
815 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
817 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
818 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
819 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
820 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
821 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
823 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
824 * include/experimental/bits/fs_fwd.h: Improve docs.
825 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
826 * include/experimental/bits/fs_path.h: Likewise.
827 (path, filesystem_error, u8path): Improve docs.
828 * include/experimental/filesystem: Link to docs for TS.
830 * config/allocator/new_allocator_base.h (__allocator_base): Add
831 workaround for Doxygen bug #6945.
832 * include/std/memory: Improve docs. Define group for pointer safety.
833 * include/std/scoped_allocator: Improve docs. Use "undocumented"
834 conditional to suppress documentation for implementation details.
836 * include/bits/specfun.h: Improve docs.
837 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
840 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
841 (std::experimental): Add docs.
842 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
843 namespace to nothing when generating docs.
844 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
845 * include/std/chrono (std::chrono): Likewise.
846 * include/std/functional (std::placeholders): Likewise.
847 * include/std/thread (std::this_thread): Likewise.
849 * include/parallel/settings.h: Fix Doxygen markup.
851 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
852 anything unless PB_DS_CLASS_C_DEC is defined.
853 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
854 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
855 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
856 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
857 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
858 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
859 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
861 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
862 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
863 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
864 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
865 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
866 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
867 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
868 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
869 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
870 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
871 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
873 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
874 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
876 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
879 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
880 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
881 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
884 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
886 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
887 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
888 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
889 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
890 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
891 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
893 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
894 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
897 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
900 * include/std/complex (__complex_proj): Return parameter unchanged.
901 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
902 floating-point types to take std::complex arguments.
903 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
904 floating-point types.
905 * testsuite/26_numerics/complex/proj.cc: New test.
907 2019-04-30 Jakub Jelinek <jakub@redhat.com>
909 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
910 to _Lock_policyE[012].
911 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
913 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
915 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
916 macros accidentally left in.
917 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
918 unnecessary -lstdc++fs option. Fix test for mingw.
919 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
922 2019-04-30 Jakub Jelinek <jakub@redhat.com>
924 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
926 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
928 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
930 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
931 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
934 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
936 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
939 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
940 class template and partial specialization.
943 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
945 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
946 functions to convert a value to an integral type.
947 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
948 (fill_n): Convert _Size parameter to an integral type.
949 * testsuite/25_algorithms/fill_n/87982.cc: New test.
950 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
951 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
952 * testsuite/25_algorithms/generate_n/87982.cc: New test.
953 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
954 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
956 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
958 Adding noexcept-specification on tuple constructors (LWG 2899)
959 * libstdc++-v3/include/std/tuple:
960 (tuple()): Add noexcept-specification.
961 (tuple(const _Elements&...)): Likewise
962 (tuple(_UElements&&...)): Likewise
963 (tuple(const tuple<_UElements...>&)): Likewise
964 (tuple(tuple<_UElements...>&&)): Likewise
965 (tuple(const _T1&, const _T2&)): Likewise
966 (tuple(_U1&&, _U2&&)): Likewise
967 (tuple(const tuple<_U1, _U2>&): Likewise
968 (tuple(tuple<_U1, _U2>&&): Likewise
969 (tuple(const pair<_U1, _U2>&): Likewise
970 (tuple(pair<_U1, _U2>&&): Likewise
971 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
973 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
976 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
977 arguments with __restrict.
979 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
981 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
983 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
985 * include/experimental/bits/fs_path.h
986 (path::_S_convert_loc<_InputIterator>): Create const std::string to
987 avoid redundant call to _S_convert_loc with non-const pointers.
989 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
990 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
991 * testsuite/21_strings/basic_string/hash/hash.cc
992 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
993 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
994 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
996 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
997 wstring::_M_replace_dispatch with more specific patterns.
998 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
999 Create const std::string to avoid redundant call to _S_convert_loc
1000 with non-const pointers.
1001 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
1002 avoid unnecessary basic_string::assign instantiations.
1004 * include/std/memory (__uses_alloc_args): Add string-literal to
1005 static_assert, to match the one in __uses_alloc.
1006 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
1007 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
1008 for recursive uses-allocator construction of nested pairs.
1009 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
1012 2019-04-26 Jakub Jelinek <jakub@redhat.com>
1014 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1015 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1016 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1017 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1019 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1020 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1021 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1022 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1023 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1024 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1025 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1027 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
1030 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
1031 * include/std/scoped_allocator [__cplusplus > 201703L]
1032 (scoped_allocator_adaptor::construct): Define in terms of
1033 uses_allocator_construction_args, as per P0591R4.
1034 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
1035 * testsuite/util/testsuite_allocator.h: Remove name of unused
1038 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
1040 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
1041 * doc/html/*: Regenerate.
1043 * include/bits/fs_path.h (operator<, operator<=, operator>)
1044 (operator>=, operator==, operator!=): Make hidden friends, as per
1046 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
1047 string type in test.
1048 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
1050 * include/std/any (any::any(ValueType&&)): Use __and_v.
1051 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
1054 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
1056 * include/std/type_traits (__result_of_memfun): Use remove_reference
1057 instead of __remove_cvref_t and remove redundant is_same check.
1058 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
1060 * include/experimental/string_view (basic_string_view::pointer)
1061 (basic_string_view::reference): Fix to refer to non-const value_type.
1062 * include/bits/basic_string.h (basic_string): Use __sv_check and
1063 __sv_limit instead of basic_string_view::_M_check and
1064 basic_string_view::_M_limit.
1065 * include/std/string_view (__sv_check, __sv_limit): New
1066 helper functions to replace basic_string_view::_M_check and
1067 basic_string_view::_M_limit.
1068 (basic_string_view): Add static assertions to enforce ill-formed
1069 requirement for traits_type::char_type from P1148R0, and to enforce
1070 required properties of char-like types.
1071 (basic_string_view::pointer, basic_string_view::reference): Fix to
1072 refer to non-const value_type.
1073 (basic_string_view::operator[], basic_string_view::at)
1074 (basic_string_view::front, basic_string_view::back)
1075 (basic_string_view::data): Use const_reference and const_pointer
1076 typedefs for return types.
1077 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
1078 (hash<wstring_view>): Fix argument_type typedef.
1079 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1080 char/1.cc: Fix expected return type of basic_string_view::data().
1081 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1082 wchar_t/1.cc: Likewise.
1083 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1084 char/1.cc: Likewise.
1085 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1086 wchar_t/1.cc: Likewise.
1087 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
1089 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
1090 Check reference and pointer typedefs.
1091 * testsuite/experimental/string_view/requirements/typedefs.cc:
1093 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
1094 Fix expected return type of basic_string_view::data().
1095 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
1097 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
1099 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
1103 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
1104 Avoid a runtime check for types that can never be stored in std::any.
1105 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
1108 PR libstdc++/90220 (partial)
1109 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
1110 not attempt ill-formed static_cast to pointers to non-object types.
1111 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
1114 * testsuite/20_util/variant/run.cc: Catch exception by reference to
1115 prevent -Wcatch-value warning.
1117 * include/std/variant (__variant_construct): Use template parameter
1118 type instead of equivalent decltype-specifier.
1119 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
1120 Replace forward with move.
1121 (_Move_ctor_base<false, Types...>::_M_destructive_move)
1122 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
1123 (_Move_ctor_base<true, Types...>::_M_destructive_move)
1124 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
1125 index after construction succeeds.
1126 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
1127 if-constexpr checks that are always true. Use __remove_cvref_t instead
1128 of remove_reference so that is_nothrow_move_constructible check
1129 doesn't use a const rvalue parameter. In the potentially-throwing case
1130 construct a temporary and move assign it, as per LWG 2904.
1131 (_Move_assign_base<false, Types...>::operator=): Remove redundant
1132 if-constexpr checks that are always true. Use emplace as per LWG 2904.
1133 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
1134 construct a temporary and move assign from it, as per LWG 2904.
1135 * testsuite/20_util/variant/exception_safety.cc: Check that
1136 assignment operators have strong exception safety guarantee.
1138 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
1140 Document PSTL linker flags
1142 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
1144 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
1146 * include/std/variant (__detail::__variant::_Traits): Make
1147 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
1148 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
1150 (__detail::__variant::_Copy_assign_alias): Only depend on
1151 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
1152 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
1153 move assignment operators.
1156 * include/std/variant (variant::__not_self): New helper for the
1157 is_same_v<remove_cvref_t<T>, variant>==false constraints.
1158 (variant::__to_type_impl): Remove.
1159 (variant::__to_type): Add default argument to check pack size, instead
1160 of using __to_type_impl.
1161 (variant::__accepted_type): Add default argument using __not_self.
1162 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
1163 for variant(T&&) constructor constraint.
1164 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
1165 Extract __accepted_type into a named template parameter for reuse in
1166 other constraints and in the exception specification.
1167 (variant::variant(in_place_type_t<T>, Args&&...))
1168 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
1169 (variant::variant(in_place_index_t<T>, Args&&...))
1170 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
1171 (variant::operator=T&&)): Remove redundant && from trait arguments.
1172 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
1173 isn't used for in_place_type or in_place_index arguments.
1175 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
1176 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
1177 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
1179 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1180 Bernd Edlinger <bernd.edlinger@hotmail.de>
1181 Jakub Jelinek <jakub@redhat.com>
1184 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
1185 general-regs-only target attribute for ARM.
1187 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
1190 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
1191 specialization also depend on is_nothrow_move_constructible.
1192 * include/std/variant (__detail::__variant::__never_valueless()):
1193 Only true if the variant would have a move assignment operator.
1194 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
1195 Check __never_valueless<T...>().
1196 (variant::emplace): Only perform non-throwing move assignments
1197 for never-valueless alternatives if the variant has a move assignment
1199 * testsuite/20_util/variant/compile.cc: Check that never-valueless
1200 types can be emplaced into non-assignable variants.
1201 * testsuite/20_util/variant/run.cc: Check that never-valueless types
1202 don't get copied when emplaced into non-assignable variants.
1204 * include/std/variant (__detail::__variant::__ref_cast): Remove
1206 (__detail::__variant::_Uninitialized::_M_get)
1207 (__detail::__variant::__get)
1208 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
1210 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
1212 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
1214 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
1215 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
1216 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
1217 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
1219 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
1221 Delegate PSTL configuration to pstl/pstl_config.h
1223 * include/bits/c++config: Remove explicit PSTL configuration
1224 macros and use definitions from <pstl/pstl_config.h>.
1226 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
1228 Cleanup algorithm implementations
1229 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
1231 (mismatch): Forward execution policy.
1232 (equal): Qualify call to std::equal().
1233 (partial_sort): Forward execution policy.
1234 (inplace_merge): Forward execution policy.
1236 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
1238 Improve implementation of parallel equal()
1239 * include/pstl/algorithm_impl.h
1240 (__internal::__brick_equal): use "4 iterator" version of
1242 (__internal::__brick_equal): use simd for random access
1243 iterators on unsequenced execution policies.
1244 (__internal::__pattern_equal): add "4 iterator" version
1245 (__internal::__pattern_equal): dispatch to simd __brick_equal
1246 for vector-only execution policies.
1247 (__internal::__pattern_equal): dispatch to __parallel_or for
1248 parallel execution policies.
1249 * include/pstl/glue_algorithm_impl.h
1250 (std::equal): dispatch to "4 iterator" version of
1251 __internal::__pattern_equal().
1253 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
1256 * include/bits/forward_list.h (operator==): Do not use operator!= to
1258 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
1259 earlier in the list, so that sort is stable.
1260 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
1261 * testsuite/23_containers/forward_list/comparable.cc: Test with
1262 types that meet the minimum EqualityComparable and LessThanComparable
1263 requirements. Remove irrelevant comment.
1265 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
1266 Do not depend on whether all alternative types are move constructible.
1267 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
1268 from the operand when deciding whether to perform the assignment.
1269 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
1270 with deleted move constructor and deleted move assignment operator.
1271 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
1272 behaviour of variants with DeletedMoves as an alternative.
1273 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
1274 (move_ctor, move_assign): Check that moving a variant with a
1275 DeletedMoves alternative falls back to copying instead of moving.
1277 * testsuite/20_util/variant/compile.cc: Remove empty string literals
1278 from static_assert declarations.
1280 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
1281 actually match its name.
1282 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
1283 (test_swap()): Fix result for MoveCtorOnly and check
1284 MoveCtorAndSwapOnly.
1286 * include/std/optional (optional::value_or(U&&) &&): Add missing
1287 constexpr specifier.
1288 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
1289 for disengaged optionals and rvalue optionals.
1290 * testsuite/20_util/optional/observers/4.cc: Likewise.
1292 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
1294 * include/pstl/algorithm_impl.h: Uglify identfiers.
1295 * include/pstl/numeric_impl.h: Uglify identfiers.
1296 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
1298 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
1300 * include/bits/c++config:
1301 Add definition for __PSTL_ASSERT.
1302 Add definition for __PSTL_ASSERT_MSG.
1303 * include/pstl/algorithm_impl.h: Replace use of assert().
1304 * include/pstl/numeric_impl.h: Replace use of assert().
1305 * include/pstl/parallel_backend_tbb.h:
1306 Replace use of assert().
1307 Replace use of __TBB_ASSERT().
1308 * include/pstl/parallel_backend_utils.h: Replace use of assert().
1310 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
1313 * src/c++17/memory_resource.cc
1314 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
1315 needed to allow placing a _Chunk at the end of the buffer.
1316 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
1318 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
1320 * doc/xml/faq.xml: Add information about emergency EH pool.
1321 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
1322 Move outdated information on mt_allocator to a separate section.
1323 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
1324 doesn't affect the default allocator.
1326 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
1330 * testsuite/20_util/variant/89851.cc: New test.
1332 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
1334 * include/std/variant: Adjust whitespace. Add comments.
1335 (_Multi_array): Leave primary template undefined.
1336 (_Multi_array<_Tp>): Define partial specialization for base case of
1338 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
1339 which is always a reference.
1340 (__gen_vtable::_S_apply()): Remove function, inline body into
1341 default member initializer.
1342 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
1344 * include/std/variant (__variant_idx_cookie): Add member type.
1345 (__visitor_result_type): Remove.
1346 (__do_visit): Use invoke_result instead of __visitor_result_type.
1347 * testsuite/20_util/variant/visit.cc: New test.
1350 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
1352 * testsuite/20_util/variant/90008.cc: New test.
1354 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
1356 * include/pstl/algorithm_impl.h: Add namespace qualification.
1357 * include/pstl/execution_defs.h: Add namespace qualification.
1358 * include/pstl/execution_impl.h: Add namespace qualification.
1359 * include/pstl/numeric_impl.h: Add namespace qualification.
1360 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
1361 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
1362 * include/pstl/parallel_backend_utils.h: Include <cassert>.
1364 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
1366 Fix visit<R> for variant.
1367 * include/std/variant (__do_visit): Add a template parameter
1368 for enforcing same return types for visit.
1369 (__gen_vtable_impl): Likewise.
1370 (_S_apply_single_alt): Adjust.
1371 (__visit_invoke_impl): New. Handle casting to void.
1372 (__do_visit_invoke): New. Enforces same return types.
1373 (__do_visit_invoke_r): New. Converts return types.
1374 (__visit_invoke): Adjust.
1375 (__gen_vtable): Add a template parameter for enforcing
1376 same return types for visit.
1377 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
1378 different return types.
1379 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
1380 visitors with different return types don't accidentally
1381 compile with regular visitation.
1383 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
1385 * testsuite/27_io/filesystem/iterators/caching.cc: Add
1386 dg-require-filesystem-ts.
1388 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
1390 * doc/xml/manual/status_cxx2020.xml: Update status.
1391 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
1392 * testsuite/20_util/variant/visit_r.cc: New test.
1394 * include/bits/fs_dir.h (directory_iterator::operator*)
1395 (directory_iterator::operator->): Add noexcept.
1396 (operator==, operator!=): Replace namespace-scope equality operators
1397 for directory iterators with hidden friends.
1400 * config/abi/pre/gnu.ver: Add missing exports.
1401 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
1404 * config/abi/pre/gnu.ver: Export new symbols.
1405 * include/bits/fs_dir.h (recursive_directory_iterator::options())
1406 (recursive_directory_iterator::recursion_pending())
1407 (recursive_directory_iterator::disable_recursion_pending()): Remove
1408 inline definitions. Make noexcept.
1409 (recursive_directory_iterator::depth())
1410 (recursive_directory_iterator::operator*())
1411 (recursive_directory_iterator::operator->()): Make noexcept.
1412 (recursive_directory_iterator::_M_options)
1413 (recursive_directory_iterator::_M_pending): Remove data members.
1414 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
1415 (recursive_directory_iterator::recursive_directory_iterator): Remove
1416 ctor-initializer. Use new constructor for _Dir_stack.
1417 (recursive_directory_iterator::options())
1418 (recursive_directory_iterator::recursion_pending())
1419 (recursive_directory_iterator::disable_recursion_pending()): Add
1420 non-inline definitions.
1421 (recursive_directory_iterator::depth()): Make noexcept.
1422 (recursive_directory_iterator::increment(error_code&))
1423 (recursive_directory_iterator::pop(error_code&)): Adjust to new
1424 location of options and recursion_pending members.
1425 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
1426 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
1427 user-declared move constructor and assignment operator, to make the
1430 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
1431 d_type == DT_UNKNOWN immediately.
1432 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
1434 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
1436 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
1438 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
1439 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
1442 PR libstdc++/87431 (again)
1443 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
1444 Define partial specialization for basic_string.
1445 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
1446 shared_ptr and weak_ptr.
1447 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
1449 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
1451 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
1453 * include/debug/vector (_Never_valueless_alt): Likewise for debug
1455 * include/std/any (_Never_valueless_alt): Define explicit
1456 specialization for any.
1457 * include/std/variant (_Never_valueless_alt): Define primary template.
1458 (__never_valueless): Use _Never_valueless_alt instead of
1459 is_trivially_copyable.
1460 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
1461 initializations to avoid try-catch overhead. Add special case for
1462 scalars produced by potentially-throwing conversions. Use
1463 _Never_valueless_alt instead of is_trivially_copyable for the
1464 remaining strong exception-safety cases.
1465 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
1466 * testsuite/20_util/variant/87431.cc: Run both test functions.
1467 * testsuite/20_util/variant/exception_safety.cc: New test.
1468 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
1469 so the variant becomes valueless.
1471 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
1474 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
1476 (variant::emplace<_Tp>): Return result of emplace<N> directly.
1478 * include/std/string (__hash_string_base): New class template defining
1479 operator() for hashing strings.
1480 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
1481 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
1482 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
1483 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
1485 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
1487 Use single-visitation in variant assignment and swap and relops.
1488 Also use indices instead of types when checking whether
1489 variants hold the same thing.
1490 * include/std/variant (__do_visit): Add a template parameter
1491 for index visitation, invoke with indices if index visitation
1493 (__variant_idx_cookie): New.
1494 (__visit_with_index): Likewise.
1495 (_Copy_assign_base::operator=): Do single-visitation with
1497 (_Move_assign_base::operator=): Likewise.
1498 (_Extra_visit_slot_needed): Adjust.
1499 (__visit_invoke): Call with indices if it's an index visitor.
1500 (relops): Do single-visitation with an index visitor.
1502 (__visitor_result_type): New.
1504 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
1506 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
1508 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
1510 Don't revisit a variant we are already visiting.
1511 * include/std/variant (__variant_construct_single): New.
1512 (__variant_construct): Use it.
1513 (_M_destructive_move): Likewise.
1514 (_M_destructive_copy): Likewise.
1515 (_Copy_assign_base::operator=): Adjust.
1516 (_Move_assign_base::operator=): Likewise.
1519 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
1522 * include/bits/hashtable.h (_Hashtable): Move static assertions to
1523 destructor so they are not evaluated until the _Key type is complete.
1524 * include/bits/stl_tree.h (_Rb_tree): Likewise.
1525 * testsuite/23_containers/set/85965.cc: New test.
1526 * testsuite/23_containers/unordered_set/85965.cc: New test.
1527 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
1528 with regexp matching the corresponding _Rb_tree specialization.
1529 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
1530 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
1531 * testsuite/23_containers/set/48101_neg.cc: Likewise.
1532 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
1533 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
1534 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
1535 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
1537 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1540 Fix based on a suggestion by Antony Polukhin.
1541 * include/std/variant (__never_valueless): New.
1543 (_Extra_visit_slot_needed): New.
1544 (_Multi_array): Use it.
1545 (_S_apply_all_alts): Likewise.
1547 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1550 Fix based on a suggestion by Antony Polukhin.
1551 * include/std/variant (__gen_vtable): Don't reserve an
1552 additional table slot, _Multi_array already does that.
1554 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1557 Fix based on a suggestion by Antony Polukhin.
1558 * include/std/variant (__variant_construct): Capture a pointer
1559 to the storage and visit just one variant.
1561 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
1563 * doc/xml/manual/backwards_compatibility.xml: Remove link to
1564 Doxygen-generated pages with unstable URL.
1565 * doc/xml/manual/concurrency_extensions.xml: Likewise.
1566 * doc/xml/manual/extensions.xml: Likewise.
1567 * doc/xml/manual/parallel_mode.xml: Likewise.
1568 * doc/xml/manual/support.xml: Likewise.
1570 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
1571 avoid -Wconversion warnings.
1573 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
1575 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
1576 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
1577 (allstamped): Add stamp-pstl.
1578 (install-headers): Add ptsl_builddir.
1579 * include/Makefile.in: Regenerate.
1580 * include/bits/c++config: Add pstl configuration.
1581 * include/pstl/LICENSE.txt: New file.
1582 * include/pstl/algorithm_fwd.h: New file.
1583 * include/pstl/algorithm_impl.h: New file.
1584 * include/pstl/execution_defs.h: New file.
1585 * include/pstl/execution_impl.h: New file.
1586 * include/pstl/glue_algorithm_defs.h: New file.
1587 * include/pstl/glue_algorithm_impl.h: New file.
1588 * include/pstl/glue_execution_defs.h: New file.
1589 * include/pstl/glue_memory_defs.h: New file.
1590 * include/pstl/glue_memory_impl.h: New file.
1591 * include/pstl/glue_numeric_defs.h: New file.
1592 * include/pstl/glue_numeric_impl.h: New file.
1593 * include/pstl/memory_impl.h: New file.
1594 * include/pstl/numeric_fwd.h: New file.
1595 * include/pstl/numeric_impl.h: New file.
1596 * include/pstl/parallel_backend.h: New file.
1597 * include/pstl/parallel_backend_tbb.h: New file.
1598 * include/pstl/parallel_backend_utils.h: New file.
1599 * include/pstl/parallel_impl.h: New file.
1600 * include/pstl/pstl_config.h: New file.
1601 * include/pstl/unseq_backend_simd.h: New file.
1602 * include/pstl/utils.h: New file.
1603 * include/std/algorithm: Include parallel algorithm implementations.
1604 * include/std/execution: New file.
1605 * include/std/memory: Include parallel algorithm implementations.
1606 * include/std/numeric: Include parallel algorithm implementations.
1607 * include/std/version: Add parallel algorithms feature test macro.
1608 * testsuite/util/pstl/pstl_test_config.h: New file.
1609 * testsuite/util/pstl/test_utils.h: New file.
1610 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1611 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1612 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1613 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1614 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1615 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1616 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1617 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1618 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1619 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1620 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1621 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1622 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1623 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1624 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1625 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1626 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1627 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1628 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1629 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1630 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1631 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1632 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1633 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1634 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1635 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1636 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1637 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1638 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1639 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1640 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1641 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1642 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1643 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1644 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1645 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1646 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1647 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1648 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1649 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1650 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1651 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1652 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1653 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1654 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1655 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1656 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1657 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1658 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1659 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1660 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1661 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1662 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1663 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1664 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1665 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1666 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1667 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1668 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1669 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1670 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1671 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1672 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1673 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1674 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1675 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1676 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1677 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1678 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1679 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1680 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1681 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1682 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1683 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1684 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1685 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1686 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1687 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1688 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1689 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1690 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1691 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1692 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1693 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1694 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1695 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1696 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1697 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1698 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1699 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1700 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1701 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1702 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1703 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1704 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1705 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1706 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1707 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1708 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1709 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1710 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1711 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1712 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1713 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1714 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1715 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1717 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
1719 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
1720 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
1721 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
1722 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
1723 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
1724 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
1725 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
1726 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
1727 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
1728 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
1729 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
1730 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
1731 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
1732 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
1733 when the special functions IS is enabled, not for C++17.
1734 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
1736 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
1737 without checks for special functions in C++17.
1738 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
1742 * include/backward/hash_map: Use <> for includes not "".
1743 * include/backward/hash_set: Likewise.
1744 * include/backward/strstream: Likewise.
1745 * include/tr1/bessel_function.tcc: Likewise.
1746 * include/tr1/exp_integral.tcc: Likewise.
1747 * include/tr1/legendre_function.tcc: Likewise.
1748 * include/tr1/modified_bessel_func.tcc: Likewise.
1749 * include/tr1/riemann_zeta.tcc: Likewise.
1751 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
1753 * doc/xml/manual/allocator.xml: Link to table documenting evolution
1754 of extension allocators.
1755 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
1756 Document new headers in 7.2, 8.1 and 9.1 releases.
1757 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
1758 * doc/html/*: Regenerate.
1760 2019-03-12 John David Anglin <dave.anglin@bell.net>
1763 * testsuite/lib/libstdc++.exp: Locate libatomic.
1764 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
1765 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
1767 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1768 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
1769 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
1770 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
1772 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
1775 * configure.ac: Check for sockatmark.
1776 * crossconfig.m4: Check for sockatmark.
1777 * config.h.in: Regenerate.
1778 * configure: Regenerate.
1779 * include/experimental/internet (address_v4::_S_hton): Rename
1780 overloaded functions to _S_hton_16 and _S_ntoh_16.
1781 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
1782 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
1783 * include/experimental/socket (basic_socket::at_mark): Check
1784 _GLIBCXX_HAVE_SOCKATMARK.
1786 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
1787 const variables instead of macros.
1790 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
1791 Use correct type for len_aligned.
1792 * testsuite/20_util/hash/89629.cc: New test.
1794 2019-03-11 Jakub Jelinek <jakub@redhat.com>
1797 * include/std/atomic (atomic<T>::store, atomic<T>::load,
1798 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
1799 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
1800 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
1801 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
1802 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
1803 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
1804 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
1805 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
1806 memory_order_seq_cst to int.
1808 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
1810 * doc/xml/manual/using.xml: Use link element instead of xref.
1811 * doc/html/*: Regenerate.
1813 * include/bits/fs_path.h (path::format): Add fixed underlying type.
1815 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
1818 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
1819 parameters in deduction guides.
1820 * include/debug/multimap.h (multimap): Likewise.
1821 * include/debug/set.h (multimap): Likewise.
1822 * include/debug/multiset.h (multimap): Likewise.
1823 * include/debug/unordered_map (unordered_map): Likewise.
1824 (unordered_multimap): Likewise.
1825 * include/debug/unordered_set (unordered_set): Likewise.
1826 (unordered_multiset): Likewise.
1829 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
1830 Invalidate all iterators in case of rehash.
1831 (unordered_multimap<>::_M_check_rehashed): Likewise.
1832 * include/debug/unordered_set
1833 (unordered_set<>::_M_check_rehashed): Likewise.
1834 (unordered_multiset<>::_M_check_rehashed): Likewise.
1835 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
1837 2019-03-07 Andreas Schwab <schwab@suse.de>
1839 * config/abi/post/riscv64-linux-gnu: New directory.
1840 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
1842 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
1844 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
1845 compile test to run. Fix typo.
1847 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
1848 * doc/html/*: Regenerate.
1850 P0356R5 Simplified partial function application
1851 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
1852 helpers for bind_front.
1853 (bind_front, __cpp_lib_bind_front): Define.
1854 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
1856 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1858 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
1859 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
1860 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
1861 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1863 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
1865 PR libstdc++/86655 - std::assoc_legendre should not constrain
1866 the value of m (or x).
1867 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
1868 __sph_legendre): If degree > order Don't throw, return 0.
1869 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
1870 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
1871 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
1872 * testsuite/tr1/5_numerical_facilities/special_functions/
1873 02_assoc_legendre/pr86655.cc: New test.
1874 * testsuite/tr1/5_numerical_facilities/special_functions/
1875 22_sph_legendre/pr86655.cc: New test.
1877 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
1880 Also PR libstdc++/85517
1881 * include/std/variant (__do_visit): New.
1882 (__variant_cast): Likewise.
1883 (__variant_cookie): Likewise.
1884 (__erased_*): Remove.
1885 (_Variant_storage::_S_vtable): Likewise.
1886 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
1887 (_Variant_storage::__M_reset): Adjust.
1888 (__variant_construct): New.
1889 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
1890 __variant_construct.
1891 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
1892 (_Move_ctor_base::__M_destructive_copy): New.
1893 (_Move_ctor_base::__M_destructive_move): Adjust to use
1894 __variant_construct.
1895 (_Copy_assign_base::operator=): Adjust to use __do_visit.
1896 (_Copy_assign_alias): Adjust to check both copy assignment
1897 and copy construction for triviality.
1898 (_Move_assign_base::operator=): Adjust to use __do_visit.
1899 (_Multi_array): Add support for visitors that accept and return
1901 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
1902 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
1903 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
1904 a __variant_cookie temporary for a variant that is valueless and..
1905 (__gen_vtable_impl::__visit_invoke): ..adjust here.
1906 (__gen_vtable::_Array_type): Conditionally make space for
1907 the __variant_cookie visitor case.
1908 (__variant_construct_by_index): New.
1909 (get_if): Adjust to use std::addressof.
1910 (relops): Adjust to use __do_visit.
1911 (variant): Add __variant_cast and __variant_construct_by_index
1913 (variant::emplace): Use _M_reset() and __variant_construct_by_index
1914 instead of self-destruction.
1915 (variant::swap): Adjust to use __do_visit.
1916 (visit): Reimplement in terms of __do_visit.
1917 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
1918 * testsuite/20_util/variant/compile.cc: Adjust.
1919 * testsuite/20_util/variant/run.cc: Likewise.
1921 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1923 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
1925 * testsuite/experimental/feat-char8_t.cc: Likewise.
1927 * include/std/type_traits [C++20] (is_bounded_array)
1928 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
1930 * testsuite/20_util/is_bounded_array/requirements/
1931 explicit_instantiation.cc: New test.
1932 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
1934 * testsuite/20_util/is_bounded_array/value.cc: New test.
1935 * testsuite/20_util/is_unbounded_array/requirements/
1936 explicit_instantiation.cc: New test.
1937 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
1939 * testsuite/20_util/is_unbounded_array/value.cc: New test.
1941 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
1943 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
1945 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
1947 * include/c_compatibility/math.h [C++20] (lerp): Add using
1949 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
1950 (__lerp): Define function template to implement lerp.
1951 (lerp(float, float, float), lerp(double, double, double))
1952 (lerp(long double, long double, long double)): Define for C++20.
1953 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
1954 (midpoint(T, T), midpoint(T*, T*)): Define.
1955 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
1956 * testsuite/26_numerics/lerp.cc: New test.
1957 * testsuite/26_numerics/midpoint/floating.cc: New test.
1958 * testsuite/26_numerics/midpoint/integral.cc: New test.
1959 * testsuite/26_numerics/midpoint/pointer.cc: New test.
1961 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
1963 PR libstdc++/88996 Implement P0439R0
1964 Make std::memory_order a scoped enumeration.
1965 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
1966 add variables for the old enumerators. Adjust calls.
1967 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
1968 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
1970 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
1972 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
1975 * include/std/memory_resource (polymorphic_allocator): Add default
1976 template argument for C++20.
1977 (polymorphic_allocator::allocate_bytes)
1978 (polymorphic_allocator::deallocate_bytes)
1979 (polymorphic_allocator::allocate_object)
1980 (polymorphic_allocator::deallocate_object)
1981 (polymorphic_allocator::new_object)
1982 (polymorphic_allocator::delete_object): New member functions for
1984 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
1987 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
1990 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
1993 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
1995 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
1996 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
1998 * include/std/memory (uses_allocator_construction_args): New set of
1999 overloaded functions.
2000 (make_obj_using_allocator, uninitialized_construct_using_allocator):
2002 * include/std/memory_resource (polymorphic_allocator::construct)
2003 [__cplusplus > 201703l]: Replace all overloads with a single function
2004 using uses_allocator_construction_args.
2005 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
2007 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
2009 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
2012 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
2013 stylesheet directories before check for xsltproc. Try to use
2014 xmlcatalog to find local stylesheet directory before trying hardcoded
2015 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
2016 check to look for the same stylesheet as doc/Makefile.am uses. Don't
2017 use xsltproc if xmlcatalog fails to find a local stylesheet.
2018 * configure.ac: Check for xmlcatalog.
2019 * Makefile.in: Regenerate.
2020 * configure: Likewise.
2021 * doc/Makefile.in: Likewise.
2022 * include/Makefile.in: Likewise.
2023 * libsupc++/Makefile.in: Likewise.
2024 * po/Makefile.in: Likewise.
2025 * python/Makefile.in: Likewise.
2026 * src/Makefile.in: Likewise.
2027 * src/c++11/Makefile.in: Likewise.
2028 * src/c++17/Makefile.in: Likewise.
2029 * src/c++98/Makefile.in: Likewise.
2030 * src/filesystem/Makefile.in: Likewise.
2031 * testsuite/Makefile.in: Likewise.
2033 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
2036 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
2037 container deduction guides.
2038 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
2039 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
2040 parameters in deduction guides.
2041 * include/bits/stl_multimap.h (multimap): Likewise.
2042 * include/bits/stl_multiset.h (multiset): Likewise.
2043 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
2044 * include/bits/stl_set.h (set): Likewise.
2045 * include/bits/stl_stack.h (stack): Likewise.
2046 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
2047 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
2048 constrain parameters in deduction guides.
2049 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
2051 * testsuite/23_containers/map/cons/deduction.cc: Test additional
2053 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
2054 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
2055 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
2056 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
2058 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
2060 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
2063 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
2064 to class template and partial specialization using void_t.
2065 (__is_copy_insertable, __is_move_insertable): Adjust base class.
2067 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
2070 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
2071 copy and move members public.
2073 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
2075 * include/std/type_traits (__underlying_type_impl): New helper to
2076 make underlying_type SFINAE-friendly.
2077 (underlying_type): Derive from __underlying_type_impl.
2078 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
2082 * include/bits/char_traits.h (__constant_char_array): Check index is
2083 in range before dereferencing.
2084 (char_traits<char>::compare, char_traits<char>::find)
2085 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
2086 immediately if n is zero.
2087 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
2088 Remove workarounds for PR 67026.
2089 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
2091 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
2094 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
2096 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
2097 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
2099 2019-02-22 Jakub Jelinek <jakub@redhat.com>
2102 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
2103 type to std::size_t and argument to type to long double.
2105 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
2107 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
2108 * config/abi/post/sparc64-linux-gnu: New directory.
2109 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
2110 * config/abi/post/sparc64-linux-gnu/32: New directory.
2111 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
2113 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
2115 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
2116 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
2119 2019-02-22 Tom Honermann <tom@honermann.net>
2121 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
2122 printers for u8string and u8string_view.
2124 2019-02-22 Tom Honermann <tom@honermann.net>
2126 * testsuite/18_support/byte/ops.cc: Validate
2127 std::to_integer<char8_t>, std::to_integer<char16_t>, and
2128 std::to_integer<char32_t>.
2129 * testsuite/18_support/numeric_limits/dr559.cc: Validate
2130 std::numeric_limits<char8_t>.
2131 * testsuite/18_support/numeric_limits/lowest.cc: Validate
2132 std::numeric_limits<char8_t>::lowest().
2133 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
2134 std::numeric_limits<char8_t>::max_digits10.
2135 * testsuite/18_support/type_info/fundamental.cc: Validate
2136 typeinfo for char8_t.
2137 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
2138 std::from_chars with char8_t.
2139 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
2140 Validate explicit instantiation of std::hash<char8_t>.
2141 * testsuite/20_util/is_integral/value.cc: Validate
2142 std::is_integral<char8_t>.
2143 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
2144 Validate std::make_signed<char8_t>.
2145 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
2146 Validate u8string construction from char8_t sources.
2147 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
2149 * testsuite/21_strings/basic_string_view/operations/compare/
2150 char/70483.cc: Validate substr operations on u8string_view.
2151 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
2152 the u8string_view typedef is defined.
2153 * testsuite/21_strings/char_traits/requirements/
2154 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
2156 * testsuite/21_strings/char_traits/requirements/
2157 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
2158 constexpr member functions.
2159 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
2160 that the u8string typedef is defined.
2161 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
2162 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
2163 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
2164 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
2166 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
2167 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
2169 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
2170 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
2171 Validate std::atomic<char8_t>::is_always_lock_free
2172 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
2173 Update line numbers.
2174 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
2176 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
2178 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
2179 Validate std::experimental::pmr::u8string.
2180 * testsuite/experimental/string_view/typedefs.cc: Validate that the
2181 u8string_view typedef is defined.
2182 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
2183 char32_t to the typelists.
2185 2019-02-22 Tom Honermann <tom@honermann.net>
2187 * include/ext/typelist.h: Constrain a partial specialization of
2188 typelist::detail::append_ to only match chain<T1,T2>.
2190 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
2193 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
2194 class template with class. Replace move and copy member types with
2195 member alias templates, so they are only instantiated when needed.
2196 (__is_copy_insertable, __is_move_insertable): Adjust base class.
2197 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
2198 test for C++11/14/17 as well.
2199 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
2202 2019-02-20 Jakub Jelinek <jakub@redhat.com>
2205 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
2206 _GLIBCXX_PURE to the alias declaration.
2208 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
2210 * testsuite/21_strings/basic_string/literals/types.cc
2211 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
2212 * testsuite/21_strings/basic_string/literals/values.cc
2213 [_GLIBCXX_USE_CHAR8_T]: Likewise.
2214 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
2215 potentially having different type.
2216 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
2217 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
2219 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
2220 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
2221 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
2222 string literals only using basic character set.
2223 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
2224 u8 literals to char.
2225 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
2226 Test ATOMIC_CHAR8_T_LOCK_FREE.
2227 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
2228 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
2229 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
2230 * testsuite/experimental/string_view/literals/types.cc
2231 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
2233 * testsuite/experimental/string_view/literals/values.cc
2234 [_GLIBCXX_USE_CHAR8_T]: Likewise.
2236 2019-02-19 Tom Honermann <tom@honermann.net>
2238 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
2239 from char16_32_t.cc; validates numeric_limits<char8_t>.
2240 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
2241 test cloned from types.cc; validates operator""s for char8_t
2243 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
2244 test cloned from values.cc; validates construction and comparison
2246 * testsuite/21_strings/basic_string/requirements/
2247 /explicit_instantiation/char8_t/1.cc: New test cloned from
2248 char16_t/1.cc; validates explicit instantiation of
2249 basic_string<char8_t>.
2250 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
2251 New test cloned from types.cc; validates operator""sv for char8_t
2252 returns u8string_view.
2253 * testsuite/21_strings/basic_string_view/literals/
2254 values-char8_t.cc: New test cloned from values.cc; validates
2255 construction and comparison of u8string_view values.
2256 * testsuite/21_strings/basic_string_view/requirements/
2257 explicit_instantiation/char8_t/1.cc: New test cloned from
2258 char16_t/1.cc; validates explicit instantiation of
2259 basic_string_view<char8_t>.
2260 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
2261 New test cloned from char16_t/65049.cc; validates that
2262 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
2263 * testsuite/21_strings/char_traits/requirements/char8_t/
2264 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
2265 that char_traits<char8_t> member typedefs are present and correct.
2266 * testsuite/21_strings/char_traits/requirements/
2267 explicit_instantiation/char8_t/1.cc: New test cloned from
2268 char16_t/1.cc; validates explicit instantiation of
2269 char_traits<char8_t>.
2270 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
2271 from char16_t.cc: validates
2272 codecvt<char16_t, char8_t, mbstate_t>.
2273 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
2274 from char32_t.cc: validates
2275 codecvt<char32_t, char8_t, mbstate_t>.
2276 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
2277 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
2278 codecvt<char32_t, char8_t, std::mbstate_t>.
2279 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
2280 test cloned from string.cc; validates filesystem::path construction
2282 * testsuite/experimental/feat-char8_t.cc: New test; validates that
2283 the __cpp_lib_char8_t feature test macro is defined with the
2285 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
2286 New test cloned from string.cc; validates filesystem::path
2287 construction from char8_t input.
2288 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
2289 test cloned from types.cc; validates operator""sv for char8_t
2290 returns u8string_view.
2291 * testsuite/experimental/string_view/literals/values-char8_t.cc:
2292 New test cloned from values.cc; validates construction and
2293 comparison of u8string_view values.
2294 * testsuite/experimental/string_view/requirements/
2295 explicit_instantiation/char8_t/1.cc: New test cloned from
2296 char16_t/1.cc; validates explicit instantiation of
2297 basic_string_view<char8_t>.
2298 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
2299 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
2302 2019-02-19 Tom Honermann <tom@honermann.net>
2304 P0482R5 char8_t: Standard library support
2305 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
2306 typeinfo symbols for char8_t.
2307 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
2308 (GLIBCXX_3.4.26): Add symbols for specializations of
2309 numeric_limits and codecvt that involve char8_t.
2310 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
2311 * include/bits/atomic_base.h: Add atomic_char8_t.
2312 * include/bits/basic_string.h: Add std::hash<u8string> and
2313 operator""s(const char8_t*, size_t).
2314 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
2316 * include/bits/char_traits.h: Add char_traits<char8_t>.
2317 * include/bits/codecvt.h: Add
2318 codecvt<char16_t, char8_t, mbstate_t>,
2319 codecvt<char32_t, char8_t, mbstate_t>,
2320 codecvt_byname<char16_t, char8_t, mbstate_t>, and
2321 codecvt_byname<char32_t, char8_t, mbstate_t>.
2322 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
2323 recognize char8_t as an integral type.
2324 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
2326 (path::u8string): Return std::u8string when char8_t support is
2328 (path::generic_u8string): Likewise.
2329 (path::_S_convert): Handle conversion from char8_t input.
2330 (path::_S_str_convert): Likewise.
2331 * include/bits/functional_hash.h: Add hash<char8_t>.
2332 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
2334 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
2335 for new char8_t specializations.
2336 * include/bits/localefwd.h: Add missing declarations of
2337 codecvt<char16_t, char, mbstate_t> and
2338 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
2339 codecvt<char16_t, char8_t, mbstate_t> and
2340 codecvt<char32_t, char8_t, mbstate_t>.
2341 * include/bits/postypes.h: Add u8streampos
2342 * include/bits/stringfwd.h: Add declarations of
2343 char_traits<char8_t> and u8string.
2344 * include/c_global/cstddef: Add __byte_operand<char8_t>.
2345 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
2347 (path::u8string): Return std::u8string when char8_t support is
2349 (path::generic_u8string): Likewise.
2350 (path::_S_convert): Handle conversion from char8_t input.
2351 (path::_S_str_convert): Likewise.
2352 * include/experimental/string: Add u8string.
2353 * include/experimental/string_view: Add u8string_view,
2354 hash<experimental::u8string_view>, and
2355 operator""sv(const char8_t*, size_t).
2356 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
2357 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
2358 as a character type.
2359 * include/std/limits: Add numeric_limits<char8_t>.
2360 * include/std/string_view: Add u8string_view,
2361 hash<experimental::u8string_view>, and
2362 operator""sv(const char8_t*, size_t).
2363 * include/std/type_traits: Add __is_integral_helper<char8_t>,
2364 __make_unsigned<char8_t>, and __make_signed<char8_t>.
2365 * libsupc++/atomic_lockfree_defines.h: Define
2366 ATOMIC_CHAR8_T_LOCK_FREE.
2367 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
2368 codecvt.cc and limits.cc so that char8_t specializations of
2369 numeric_limits and codecvt and emitted.
2370 * src/c++11/Makefile.in: Likewise.
2371 * src/c++11/codecvt.cc: Define members of
2372 codecvt<char16_t, char8_t, mbstate_t>,
2373 codecvt<char32_t, char8_t, mbstate_t>,
2374 codecvt_byname<char16_t, char8_t, mbstate_t>, and
2375 codecvt_byname<char32_t, char8_t, mbstate_t>.
2376 * src/c++11/limits.cc: Define members of
2377 numeric_limits<char8_t>.
2378 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
2379 locale_init.cc and localename.cc.
2380 * src/c++98/Makefile.in: Likewise.
2381 * src/c++98/locale_init.cc: Add initialization for the
2382 codecvt<char16_t, char8_t, mbstate_t> and
2383 codecvt<char32_t, char8_t, mbstate_t> facets.
2384 * src/c++98/localename.cc: Likewise.
2385 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
2387 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
2389 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
2390 * 27_io/filesystem/operations/resize_file.cc: Likewise.
2391 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
2393 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
2395 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
2396 * doc/html/*: Regenerate.
2398 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
2399 * doc/html/*: Regenerate.
2401 * doc/xml/manual/intro.xml: Document LWG 2586 status.
2402 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
2403 allocator type in is_constructible checks.
2404 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
2405 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
2406 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
2407 problematic type from LWG 2586 discussion.
2408 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
2409 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
2411 * configure.ac: Check for C11 timespec_get function.
2412 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
2414 * config.h.in: Regenerate.
2415 * configure: Regenerate.
2416 * include/c_global/ctime (timespec, timespec_get): Add to namespace
2417 std for C++17 and up.
2419 * doc/xml/manual/intro.xml: Document LWG 2537 status.
2420 * include/bits/stl_queue.h
2421 (priority_queue(const Compare&, const Container&, const Alloc&))
2422 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
2424 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
2426 * doc/xml/manual/intro.xml: Document LWG 2566 status.
2427 * include/bits/stl_queue.h (queue, priority_queue): Add static
2428 assertions to enforce LWG 2566 requirement on value_type.
2429 * include/bits/stl_stack.h (stack): Likewise.
2432 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
2434 * doc/xml/manual/intro.xml: Document LWG 2735 status.
2435 * include/bits/std_abs.h: Add comment about LWG 2735.
2436 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
2438 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
2441 * include/std/version [__cpp_impl_destroying_delete]
2442 (__cpp_lib_destroying_delete): Only define for C++2a and later.
2443 * libsupc++/new [__cpp_impl_destroying_delete]
2444 (__cpp_lib_destroying_delete): Likewise.
2445 (destroying_delete_t, destroying_delete): Likewise, but define even
2446 when __cpp_impl_destroying_delete is not defined.
2447 * testsuite/18_support/destroying_delete.cc: New test.
2449 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
2452 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
2453 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
2454 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
2455 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
2457 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
2460 * include/bits/fs_path.h (path::has_root_name)
2461 (path::has_root_directory, path::has_root_path)
2462 (path::has_relative_path, path::has_parent_path)
2463 (path::has_filename, path::has_stem, path::has_extension)
2464 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
2466 * src/c++17/fs_path.cc (path::has_root_name)
2467 (path::has_root_directory, path::has_root_path)
2468 (path::has_relative_path, path::has_parent_path)
2469 (path::has_filename, path::_M_find_extension): Add noexcept.
2471 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
2473 PR libstdc++/89102 (partial)
2474 * include/std/type_traits (common_type<>): Define.
2475 (common_type<T>): Derive from common_type<T, T>.
2476 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
2477 Test zero-length template argument list.
2478 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
2479 Test additional single argument cases.
2480 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
2481 Adjust expected error.
2483 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
2486 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
2488 * include/bits/stl_stack.h (stack): Likewise.
2489 * testsuite/23_containers/priority_queue/deduction.cc: New test.
2490 * testsuite/23_containers/queue/deduction.cc: New test.
2491 * testsuite/23_containers/stack/deduction.cc: New test.
2494 * include/std/type_traits (__is_convertible_helper)
2495 (__is_convertible_helper<_From, _To, false>): Revert changes to
2496 support is_nothrow_convertible.
2497 (__is_nt_convertible_helper): New helper.
2498 (is_nothrow_convertible): Use __is_nt_convertible_helper.
2500 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
2501 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
2504 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
2505 __is_alloc_insertable_impl. Replace single type member with two
2506 members, one for each of copy and move insertable.
2507 (__is_move_insertable): New trait for internal use.
2508 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
2509 (vector::_S_nothrow_relocate(true_type)): New functions to
2510 conditionally check if __relocate_a can throw.
2511 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
2512 on __is_move_insertable.
2513 (vector::_S_do_relocate): New overloaded functions to conditionally
2515 (vector::_S_relocate): New function that dispatches to _S_do_relocate
2516 based on _S_use_relocate.
2517 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2518 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
2519 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
2522 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
2523 parameter unnamed. Add message to static assertion.
2524 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2525 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
2528 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
2531 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
2533 (__is_bitwise_relocatable): ... to this.
2534 (__relocate_a_1): Adapt.
2535 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
2536 (__is_bitwise_relocatable): ... to this.
2538 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
2541 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
2542 final component as well as from _M_pathname. Append the dot using
2543 operator+= instead of only to _M_pathname.
2544 (path::_M_find_extension): Reformat slightly.
2545 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
2546 Add more test cases.
2548 2019-01-30 Ulrich Drepper <drepper@redhat.com>
2550 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
2552 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
2554 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
2555 constexpr specifiers from arg and proj.
2557 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
2558 __shared_ptr instantiations used by gcc4-compatible ABI.
2560 * include/experimental/forward_list (experimental::erase): Qualify
2562 * include/experimental/list (experimental::erase): Likewise.
2563 * include/std/forward_list (std::erase): Likewise.
2564 * include/std/list (std::erase): Likewise.
2566 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
2568 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
2569 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
2570 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
2571 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
2572 * testsuite/ext/array_allocator/26875.cc: Likewise.
2573 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
2574 * testsuite/util/replacement_memory_operators.h: Likewise.
2575 * testsuite/util/testsuite_allocator.h: Likewise.
2577 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
2578 normal mode vector, even for debug mode.
2579 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
2580 Define alias template for normal mode vector.
2582 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
2585 * config/locale/generic/c_locale.h (__convert_from_v)
2586 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2587 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2588 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
2589 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2591 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
2594 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
2595 data member with static member function _S_use_relocate().
2596 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2597 (vector::_M_default_append): Use _S_use_relocate() instead of
2600 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
2603 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
2606 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
2607 write to stderr instead of using printf.
2609 2019-01-21 Jakub Jelinek <jakub@redhat.com>
2612 * include/bits/char_traits.h (__constant_string_p,
2613 __constant_char_array_p): Use __builtin_is_constant_evaluated if
2616 2019-01-20 Ulrich Drepper <drepper@redhat.com>
2618 Implement C++20 P0600r1.
2619 * include/backward/hash_map: Add nodiscard attribute to empty.
2620 * include/backward/hash_set: Likewise.
2621 * backward/hashtable.h: Likewise.
2622 * include/bits/basic_string.h: Likewise.
2623 * include/bits/forward_list.h: Likewise.
2624 * include/bits/hashtable.h: Likewise.
2625 * include/bits/regex.h: Likewise.
2626 * include/bits/stl_deque.h: Likewise.
2627 * include/bits/stl_list.h: Likewise.
2628 * include/bits/stl_map.h: Likewise.
2629 * include/bits/stl_multimap.h: Likewise.
2630 * include/bits/stl_multiset.h: Likewise.
2631 * include/bits/stl_queue.h: Likewise.
2632 * include/bits/stl_set.h: Likewise.
2633 * include/bits/stl_stack.h: Likewise.
2634 * include/bits/stl_tree.h: Likewise.
2635 * include/bits/stl_vector.h: Likewise.
2636 * include/bits/unordered_map.h: Likewise.
2637 * include/bits/unordered_set.h: Likewise.
2638 * include/debug/array: Likewise.
2639 * include/experimental/any: Likewise.
2640 * include/experimental/bits/fs_path.h: Likewise.
2641 * include/experimental/internet: Likewise.
2642 * include/experimental/string_view: Likewise.
2643 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
2645 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
2647 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
2649 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
2651 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
2653 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
2655 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
2657 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
2659 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2660 info_fn_imps.hpp: Likewise.
2661 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2662 left_child_next_sibling_heap_.hpp: Likewise.
2663 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
2665 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
2667 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
2669 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
2671 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
2673 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
2675 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
2677 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
2678 * include/ext/pb_ds/trie_policy.hpp: Likewise.
2679 * include/ext/rope: Likewise.
2680 * include/ext/slist: Likewise.
2681 * include/ext/vstring.h: Likewise.
2682 * include/profile/array: Likewise.
2683 * include/std/array: Likewise.
2684 * include/tr1/array: Likewise.
2685 * include/tr1/hashtable.h: Likewise.
2686 * include/tr1/regex: Likewise.
2687 * include/tr2/dynamic_bitset: Likewise.
2688 * include/bits/alloc_traits.h: Add nodiscard attribute to
2690 * include/experimental/memory_resource: Likewise.
2691 * include/ext/alloc_traits.h: Likewise.
2692 * include/ext/array_allocator.h: Likewise.
2693 * include/ext/bitmap_allocator.h: Likewise.
2694 * include/ext/debug_allocator.h: Likewise.
2695 * include/ext/extptr_allocator.h: Likewise.
2696 * include/ext/mt_allocator.h: Likewise.
2697 * include/ext/new_allocator.h: Likewise.
2698 * include/ext/pool_allocator.h: Likewise.
2699 * include/ext/throw_allocator.h: Likewise.
2700 * include/std/scoped_allocator: Likewise.
2701 * libsupc++/eh_alloc.cc: Likewise.
2702 * include/std/future: Add nodiscard attribute to async.
2703 * libsupc++/new: Add nodiscard attribute to new.
2705 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
2710 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
2711 * include/bits/shared_ptr.h
2712 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
2713 (allocate_shared): Change to use new tag type.
2714 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
2715 Declare new member function.
2716 (_Sp_alloc_shared_tag): Define new type.
2717 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
2718 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
2719 _Sp_make_shared_tag::_S_eq to check type_info.
2720 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
2721 Constrain to prevent being called with _Sp_alloc_shared_tag.
2722 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
2723 Replace constructor with ...
2724 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
2725 reference parameter so address of the new object can be returned to
2726 the caller. Obtain the allocator from the tag type.
2727 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
2728 constructor with ...
2729 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
2730 to the __shared_count constructor.
2731 (__allocate_shared): Change to use new tag type.
2732 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
2734 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
2736 * src/c++17/fs_ops.cc
2737 (equivalent(const path&, const path&, error_code&))
2738 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
2739 compare files instead of relying on incomplete info returned by stat.
2742 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
2743 if the path is already absolute.
2744 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
2745 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
2748 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
2749 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
2750 of filesystem::exists.
2751 (create_directories(const path&, error_code&)): Add assertions.
2752 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
2753 Add workaround for bug in _wstat for paths with trailing slash.
2754 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
2755 for expected behaviour on mingw.
2756 * testsuite/experimental/filesystem/operations/create_directories.cc:
2758 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
2759 "TMP" instead of "TMPDIR" and clean environment before each test. Do
2760 not test permissions on mingw targets.
2762 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
2764 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
2765 constructors and open members taking wide strings. Fix patterns for
2766 filesystem::path members to match wstring_view parameters. Add
2767 exports for shared_ptr members used by directory iterators.
2768 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
2769 error code parameter if the file doesn't exist.
2770 * src/filesystem/ops.cc (remove(const path&, error_code&)):
2772 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
2773 values for mingw targets, where "/" is not an absolute path. Do not
2774 test symlinks on mingw targets.
2775 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
2776 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
2778 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
2779 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
2780 that each component of the path is created.
2781 * testsuite/experimental/filesystem/operations/create_directories.cc:
2783 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
2784 permissions on mingw targets.
2785 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
2786 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2787 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
2788 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
2790 * testsuite/experimental/filesystem/operations/permissions.cc:
2792 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
2793 symlinks or permissions on mingw targets.
2794 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
2795 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
2796 symlinks on mingw targets.
2797 * testsuite/experimental/filesystem/operations/remove_all.cc:
2799 * testsuite/27_io/filesystem/operations/status.cc: Do not test
2800 permissions on mingw targets.
2801 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
2802 test symlinks on mingw targets.
2803 * testsuite/experimental/filesystem/operations/space.cc: Fix test
2806 2019-02-14 Ulrich Drepper <drepper@redhat.com>
2809 Warn about unused comparisons of shared_ptr/unique_ptr
2810 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
2811 * include/bits/shared_ptr.h: Use it for operator ==, !=,
2812 <, <=, >, >= for shared_ptr.
2813 * include/bits/unique_ptr.h: Likewise for unique_ptr.
2815 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
2817 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
2818 as 201611L, because P0497R0 changes are supported.
2819 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
2821 * include/bits/erase_if.h [__cplusplus > 201703L]
2822 (__cpp_lib_erase_if): Only define for C++2a.
2823 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2824 (__cpp_lib_null_iterators): Define.
2825 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2826 (__cpp_lib_null_iterators): Define.
2827 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
2829 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
2831 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
2833 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
2834 changes are supported.
2835 * include/std/optional (__cpp_lib_optional): Likewise.
2836 * include/std/variant (__cpp_lib_variant): Likewise.
2837 * include/std/version [!__STRICT_ANSI__]
2838 (__cpp_lib_uncaught_exceptions): Define as long integer.
2839 [__cplusplus >= 201703L] (__cpp_lib_any)
2840 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
2841 (__cpp_lib_variant): Define for C++17.
2842 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
2844 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
2847 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
2849 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
2853 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
2855 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
2858 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2860 * doc/xml/manual/intro.xml: Include new section.
2861 * doc/xml/manual/status_cxx2017.xml: Document more
2862 implementation-defined properties of the library.
2863 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
2864 * doc/html/*: Regenerate.
2866 * include/bits/refwrap.h [__cplusplus > 201703L]
2867 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
2868 (_Reference_wrapper_base_memfun): Do not define for C++2a.
2869 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
2871 (reference_wrapper::operator()): Add static assertion.
2872 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
2874 * include/std/chrono (duration_values::zero(), duration_values::min())
2875 (duration_values::max()): Add noexcept.
2876 (duration::zero(), duration::min(), duration::max()): Likewise.
2877 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
2878 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
2879 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
2881 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
2883 2019-01-11 Jakub Jelinek <jakub@redhat.com>
2885 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
2886 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
2888 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2891 * include/bits/functional_hash.h (hash<nullptr_t>): Define
2892 specialization for C++17 (P0513R0, LWG 2817).
2893 * testsuite/20_util/hash/nullptr.cc: New test.
2896 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
2897 pattern for std::basic_stringbuf::str().
2899 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
2900 basic_ostream::operator<< patterns.
2902 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2904 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
2905 test failures on targets with 32-bit time_t.
2907 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
2908 * include/std/deque: Likewise.
2909 * include/std/forward_list: Likewise.
2910 * include/std/list: Likewise.
2911 * include/std/string: Likewise.
2912 * include/std/vector: Likewise.
2913 * include/std/version: Likewise.
2914 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
2915 * testsuite/23_containers/deque/erasure.cc: Likewise.
2916 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
2917 * testsuite/23_containers/list/erasure.cc: Likewise.
2918 * testsuite/23_containers/map/erasure.cc: Likewise.
2919 * testsuite/23_containers/set/erasure.cc: Likewise.
2920 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2921 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
2922 * testsuite/23_containers/vector/erasure.cc: Likewise.
2924 * include/experimental/internet [AI_NUMERICSERV]
2925 (resolver_base::numeric_service): Define conditionally.
2926 * testsuite/experimental/net/internet/resolver/base.cc: Test it
2928 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
2931 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
2932 Jonathan Wakely <jwakely@redhat.com>
2935 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
2936 (GLIBCXX_3.4.26): Add new exports.
2937 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
2938 correct list of sources.
2939 * include/Makefile.in: Regenerate.
2940 * include/std/ostream (operator<<(nullptr_t)): New member function.
2941 * src/c++17/ostream-inst.cc: New file.
2942 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
2945 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2947 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
2948 of the source file containing the caller.
2949 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
2950 directories created by test.
2951 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2953 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
2955 * testsuite/experimental/filesystem/iterators/
2956 recursive_directory_iterator.cc: Likewise.
2958 2019-01-10 Jakub Jelinek <jakub@redhat.com>
2960 PR tree-optimization/88775
2961 * include/bits/stl_function.h (greater<_Tp*>::operator(),
2962 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
2963 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
2964 instead of __builtin_constant_p if available. Don't bother with
2965 the pointer comparison in C++11 and earlier.
2967 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
2971 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
2974 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
2976 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
2977 for filesystem::path. Give variables more distinctive names.
2979 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
2980 member function to perform non-trivial assignment.
2981 (_Optional_payload_base::_M_move_assign): Likewise.
2982 (_Optional_payload<T, true, false, true>::operator=)
2983 (_Optional_payload<T, true, true, false>::operator=)
2984 (_Optional_payload<T, true, false, false>::operator=): Call
2985 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
2988 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
2989 test std::complex<long double> if long double format is IBM128.
2990 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
2993 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2995 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
2996 for old std::unique_ptr layout.
2997 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
2998 to become valueless. Add filesystem::path tests.
3001 * include/std/optional (_Optional_payload_base): New class template
3002 for common code hoisted from _Optional_payload specializations. Use
3003 a template for the union, to allow a partial specialization for
3004 types with non-trivial destructors. Add constructors for in-place
3005 initialization to the union.
3006 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
3007 to perform non-trivial copy construction, instead of relying on
3008 non-standard copy elision in a delegating constructor.
3009 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
3010 non-trivial move construction.
3011 (_Optional_payload): Derive from _Optional_payload_base and use it
3012 for everything except the non-trivial assignment operators, which are
3014 (_Optional_payload<false, C, M>): Derive from the specialization
3015 _Optional_payload<true, false, false> and add a destructor.
3016 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
3017 Forward to corresponding members of _Optional_payload.
3018 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
3019 Hoist common members from _Optional_base.
3020 (_Optional_base): Make all members and base class public.
3021 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
3022 _Optional_base_impl.
3023 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
3024 support for new std::optional layout.
3025 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
3028 * include/bits/locale_conv.h: Use <> for includes not "".
3029 * include/ext/random: Likewise.
3030 * include/ext/vstring.h: Likewise.
3032 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3034 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
3035 (GLIBCXX_3.4.21): Likewise.
3037 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
3040 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
3041 to match the one that controls whether utimbuf and utime are declared.
3043 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
3046 * include/bits/char_traits.h (char_traits::move): Do not pass null
3047 pointers to memmove.
3048 * include/bits/locale_facets.h
3049 (ctype<char>::widen(const char*, const char*, char*)): Do not
3050 pass null pointers to memcpy.
3051 (ctype<char>::narrow(const char*, const char*, char, char*)):
3053 (ctype<char>::do_widen(const char*, const char*, char*)):
3055 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
3058 * doc/xml/manual/spine.xml: Update copyright years.
3059 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
3060 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
3061 for C++17 filesystem library.
3062 * doc/html/*: Regenerate.
3064 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
3065 * config.h.in: Regenerate.
3066 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
3067 alphabetically and add missing entries for copy_symlink,
3068 hard_link_count, rename, and resize_file.
3069 * configure: Regenerate.
3070 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
3071 used unconditionally.
3072 * src/filesystem/ops-common.h (__gnu_posix::truncate)
3073 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
3074 supports truncating to zero length.
3075 * testsuite/27_io/filesystem/operations/all.cc: New test.
3076 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
3078 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
3081 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
3082 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
3083 * config.h.in: Regenerate.
3084 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
3085 remaining std::filesystem types and functions.
3086 * configure: Regenerate.
3087 * src/c++17/Makefile.am: Add C++17 filesystem sources.
3088 * src/c++17/Makefile.in: Regenerate.
3089 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
3090 here, and change name of included file.
3091 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
3092 here, and change name of included file.
3093 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
3094 path to dir-common.h.
3095 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
3096 path to ops-common.h. Disable -Wunused-parameter warnings.
3097 (internal_file_clock): Define unconditionally.
3098 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
3100 (do_copy_file, do_space): Move definitions to ops.common.h.
3101 (copy, file_size, hard_link_count, last_write_time, space): Only
3102 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
3104 (last_write_time, read_symlink): Remove unused attributes from
3106 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
3107 * src/filesystem/Makefile.in: Regenerate.
3108 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
3109 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
3110 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
3111 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
3112 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
3113 dummy types and functions instead of using #error.
3114 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
3115 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
3117 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
3118 (do_copy_file, do_space): Move definitions here from std-ops.cc.
3119 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
3120 to account for new namespace.
3121 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
3122 -lstdc++fs from dg-options.
3123 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
3124 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
3125 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
3126 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
3127 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
3129 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
3130 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3132 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
3133 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
3134 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
3135 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3136 * testsuite/27_io/filesystem/operations/create_directories.cc:
3138 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
3139 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
3140 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
3141 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
3142 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
3143 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
3144 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
3145 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
3146 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
3147 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
3148 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
3149 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
3150 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
3151 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
3152 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
3153 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
3154 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
3155 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
3157 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
3161 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
3162 typeinfo and vtables less greedy.
3163 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
3164 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
3165 * src/c++17/Makefile.in: Regenerate.
3166 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
3167 here, and change name of included file.
3168 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
3169 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
3171 * src/filesystem/Makefile.in: Regenerate.
3172 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
3173 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
3174 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
3175 from dg-options and remove dg-require-filesystem-ts.
3176 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
3177 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
3178 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
3179 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
3180 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
3181 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
3182 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
3183 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
3184 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
3185 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
3186 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
3187 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
3188 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
3189 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
3190 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
3191 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
3192 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
3193 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
3194 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
3195 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
3196 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
3198 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
3199 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
3200 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
3201 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
3202 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
3203 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
3204 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
3205 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
3206 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
3207 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
3208 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
3209 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
3211 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
3213 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
3215 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
3217 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
3218 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3219 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
3220 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
3221 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3222 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3223 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3224 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3225 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
3226 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3228 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3229 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3230 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3231 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
3232 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3235 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
3236 Check is_trivially_copyable instead of is_scalar.
3237 (variant::emplace<N, Args>(Args&&...)): If construction of the new
3238 contained value can throw and its type is trivially copyable then
3239 construct into a temporary variant and move from it, to provide the
3240 strong exception safety guarantee.
3241 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
3243 * testsuite/20_util/variant/87431.cc: New test.
3244 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
3245 conversion causes valueless state.
3248 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
3249 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
3250 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
3251 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
3252 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
3254 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
3256 * include/bits/fs_fwd.h (__file_clock): Define new clock.
3257 (file_time_type): Redefine in terms of __file_clock.
3258 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
3260 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
3262 (internal_file_lock): New helper type for accessing __file_clock.
3263 (do_copy_file): Use internal_file_lock to convert system time to
3265 (last_write_time(const path&, error_code&)): Likewise.
3266 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
3268 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
3270 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
3271 for const member functions of std::basic_string.
3272 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
3274 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
3275 Make non-standard constructor private.
3276 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
3278 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
3279 explicit instantiations for C++17 as well as earlier dialects.
3280 * src/c++17/Makefile.am: Add new source files.
3281 * src/c++17/Makefile.in: Regenerate.
3282 * src/c++17/cow-string-inst.cc: New file defining explicit
3283 instantiations for basic_string member functions added in C++17.
3284 * src/c++17/string-inst.cc: Likewise.
3286 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
3287 copy/move constructors for old std::basic_string.
3288 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3289 (basic_string::reference, basic_string::const_reference): Define
3290 as plain references for C++11 and later.
3291 (basic_string::basic_string()): Put constructor body outside
3292 preprocessor conditional groups.
3293 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
3294 instead of copying it.
3295 (basic_string::basic_string(const basic_string&, const _Alloc&)):
3297 (basic_string::basic_string(basic_string&&, const _Alloc&)):
3299 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
3300 cases for old basic_string.
3301 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
3302 allocator-extended constructors unconditionally. Add extra members to
3303 allocator type when using old string ABI.
3304 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
3306 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
3308 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
3309 -fno-inline added to test flags.
3311 * testsuite/21_strings/basic_string/requirements/
3312 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
3314 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
3315 assertion failures with old std::string ABI.
3317 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
3319 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
3320 functions that will only erase elements at the end.
3321 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
3322 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
3323 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
3325 (path::_List::pop_back()): Define.
3326 (path::_List::_M_erase_from(const_iterator)): Define.
3327 (path::operator/=(const path&)): Use pop_back to remove last component
3328 and _M_erase_from to remove multiple components.
3329 (path::_M_append(basic_string_view<value_type>)): Likewise.
3330 (path::operator+=(const path&)): Likewise.
3331 (path::_M_concat(basic_string_view<value_type>)): Likewise.
3332 (path::remove_filename()): Likewise.
3333 (path::lexically_normal()): Use _List::_Impl iterators instead of
3334 path::iterator. Use pop_back to remove components from the end. Clear
3335 trailing filename, instead of using erase(const_iterator) to remove
3336 a non-final component.
3337 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
3339 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
3341 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
3342 incorrect treatment of empty filename after trailing slash.
3343 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
3345 * testsuite/21_strings/basic_string/modifiers/assign/char/
3346 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
3348 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
3349 move_assign_optim.cc: Likewise.
3351 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
3352 Jakub Jelinek <jakub@redhat.com>
3355 * include/experimental/memory: Replace UTF-8 quote characters.
3356 * include/std/future: Replace UTF-8 "em dash" characters.
3358 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
3361 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
3362 * include/debug/forward_list: Likewise.
3363 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
3365 * include/experimental/chrono: Likewise.
3366 * include/experimental/functional: Likewise.
3367 * include/experimental/ratio: Likewise.
3368 * include/experimental/system_error: Likewise.
3369 * include/experimental/tuple: Likewise.
3370 * include/experimental/type_traits: Likewise.
3371 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
3372 * include/parallel/multiseq_selection.h: Likewise.
3375 * config/abi/pre/gnu.ver: Add missing exports.
3376 * testsuite/22_locale/collate_byname/88681.cc: New test.
3377 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
3378 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
3380 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
3382 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
3383 initializer_list<value_type> and from input iterator ranges.
3384 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
3386 * testsuite/experimental/string_view/element_access/char/empty.cc:
3387 Fix year range in copyright header.
3389 2019-01-02 Joel Brobecker <brobecker@adacore.com>
3391 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
3392 Fix year range in copyright header.
3394 2019-01-01 Jakub Jelinek <jakub@redhat.com>
3396 Update copyright years.
3398 Copyright (C) 2019 Free Software Foundation, Inc.
3400 Copying and distribution of this file, with or without modification,
3401 are permitted in any medium without royalty provided the copyright
3402 notice and this notice are preserved.