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Fix test bug with mismatched alignment in allocate/deallocate
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ca32b3df 12019-05-20 Jonathan Wakely <jwakely@redhat.com>
2
3 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
4 test by passing correct alignment to deallocate function.
5
83454be6 62019-05-18 Jonathan Wakely <jwakely@redhat.com>
7
8 PR libstdc++/90520
9 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
10 Raise exception if unique_ptr tuple member has unknown structure.
11 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
12 Adjust worker to support new __uniq_ptr_data base class. Do not
13 assume field called _M_head_impl is the first tuple element.
14
18788b25 152019-05-17 François Dumont <fdumont@gcc.gnu.org>
16
17 * include/bits/stl_deque.h
18 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
19 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
20 (_Deque_base::_Deque_impl_data): New.
21 (_Deque_base::_Deque_impl): Inherit latter.
22 (_Deque_base::_Deque_impl::_M_swap_data): Move...
23 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
24 (_Deque_base::_Deque_impl()): Add noexcept qualification.
25 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
26 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
27 (deque<>::deque()): Default.
28 (deque<>::deque(deque&&)): Default.
29 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
30 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
31 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
32 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
33 _M_range_initialize.
34 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
35 (deque<>::resize(size_type, const value_type&)): Share a single
36 implementation.
37 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
38 _M_range_insert_aux.
39 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
40 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
41 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
42 * testsuite/23_containers/deque/allocator/default_init.cc: New.
43
f02e0f08 442019-05-17 Jonathan Wakely <jwakely@redhat.com>
45
9bf46b60 46 PR libstdc++/90246
47 * include/std/variant (holds_alternative, get, get_if): Improve
48 static assertion messages.
49 (bad_variant_access::bad_variant_access()): Change default message.
50 (__throw_bad_variant_access(bool)): New overload.
51 (get): Use new overload.
52 (visit, visit<R>): Improve exception message.
53
ac93735b 54 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
55 targets. Add more cases from P0608R3.
56 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
57
8d58624a 58 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
59 * include/experimental/type_traits (is_detected_exact)
60 (is_detected_exact_v): Likewise.
61 * include/pstl/execution_defs.h (is_execution_policy)
62 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
63 * include/pstl/execution_impl.h (__policy_traits): Likewise.
64 * testsuite/17_intro/names.cc: Check for more non-reserved names.
65 * testsuite/experimental/names.cc: New test.
66
5d3695d0 67 PR libstdc++/85965
68 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
69 assertions from the destructor.
70 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
71 Move static_assert for hash function to here.
72 (_Hash_table_base::_M_equals): Move static_assert for equality
73 predicate to here.
74 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
75 Remove.
76 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
77 the value directly instead of calling _S_value.
78 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
79 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
80 _S_key(_Const_Link_type).
81 * testsuite/23_containers/set/85965.cc: Check construction,
82 destruction, assignment and size() do not trigger the assertions.
83 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
84 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
85 expected errors.
86 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
87 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
88 * testsuite/23_containers/set/48101_neg.cc: Likewise.
89 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
90 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
91 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
92 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
93
2e431291 94 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
95 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
96 in C++11.
97
f02e0f08 98 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
99 P1165R1 entries.
100 * doc/html/*: Regenerate.
101 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
102 of decay_t (P0777R1).
103
0cde8d2e 1042019-05-17 François Dumont <fdumont@gcc.gnu.org>
105
106 Move from state of allocators (LWG2593)
107 * include/bits/stl_deque.h
108 (_Deque_base(_Deque_base&&, false_type)): Remove.
109 (_Deque_base(_Deque_base&&, true_type)): Remove.
110 (_Deque_base(_Deque_base&&)): Adapt.
111 (_Deque_base::_M_move_impl()): Remove.
112 * testsuite/util/testsuite_allocator.h
113 (propagating_allocator(propagating_allocator&&)): Preserve move from
114 state.
115 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
116 Adapt.
117 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
118 Adapt.
119 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
120 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
121 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
122 Adapt.
123 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
124 Adapt.
125 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
126 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
127 (test02): Adapt.
128 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
129 (test02): Adapt.
130 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
131 (test02): Adapt.
132 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
133 (test02): Adapt.
134 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
135 Adapt.
136 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
137 Adapt.
138 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
139 (test02): Adapt.
140 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
141 (test02): Adapt.
142
68605c77 1432019-05-16 Jonathan Wakely <jwakely@redhat.com>
144
4a0707ea 145 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
146 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
147
a8a0d164 148 * include/std/variant (__overload_set): Remove.
149 (_Arr): New helper.
150 (_Build_FUN): New class template to define a single FUN overload,
151 with specializations to prevent unwanted conversions, as per P0608R3.
152 (_Build_FUNs): New class template to build an overload set of FUN.
153 (_FUN_type): New alias template to perform overload resolution.
154 (__accepted_type): Use integer_constant base for failure case. Use
155 _FUN_type for successful case.
156 (variant::__accepted_index): Use _Tp instead of _Tp&&.
157 (variant::variant(_Tp&&)): Likewise.
158 (variant::operator=(_Tp&&)): Likewise.
159
facad3f4 160 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
161 Replace raw visitation with a runtime check for the valueless state
162 and a non-raw visitor.
163 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
164 (variant::index()): Remove branch.
165 (variant::swap(variant&)): Use valueless_by_exception() instead of
166 comparing the index to variant_npos, and add likelihood attribute.
167
47376ba0 168 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
169 (_Hashtable_base::_Equal_hash_code): Define new class template.
170 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
171 _Equal_helper.
172
81262974 173 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
174 Replace with _M_get non-static member function.
175 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
176 member function.
177 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
178 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
179
68605c77 180 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
181 _S_get accessors for members in EBO helpers.
182 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
183 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
184 overloads.
185 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
186 helpers.
187 (_Hashtable_base::_M_eq()): Remove non-const overload.
188
970ec9ab 1892019-05-15 Jonathan Wakely <jwakely@redhat.com>
190
191 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
192
54f34abb 1932019-05-14 Jonathan Wakely <jwakely@redhat.com>
194
195 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
196 Fix return value.
197
0fd03648 1982019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
199
200 * config/os/solaris/solaris2.10: Move to ...
201 * config/os/solaris: ... this.
202 * configure.host (os_include_dir): Adapt.
203 (abi_baseline_pair): Remove Solaris 10 handling.
204 * config/abi/post/i386-solaris2.10: Remove.
205 * config/abi/post/sparc-solaris2.10: Remove.
206 * config/abi/post/i386-solaris2.11: Rename to ...
207 * config/abi/post/i386-solaris: ... this.
208 * config/abi/post/sparc-solaris2.11: Rename to ...
209 * config/abi/post/sparc-solaris: ... this.
210
211 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
212 workaround.
213
214 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
215 xfail.
216
f03f26fa 2172019-05-14 Jonathan Wakely <jwakely@redhat.com>
218
219 * include/std/variant (__visit_with_index): Remove typedef.
220 (__deduce_visit_result): New tag type.
221 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
222 visitation of possibly-valueless variants, forwarding to __do_visit
223 with the relevant tag type.
224 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
225 and make lambda return void.
226 (__variant_construct): Likewise.
227 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
228 __raw_idx_visit and make lambda return void.
229 (_Multi_array::__untag_result): Add metafunction to check the function
230 pointer type for a tag type that dictates the kind of visitation.
231 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
232 Use decltype(auto) instead of tagged function pointer type.
233 (__gen_vtable_impl): Remove bool non-type parameter and unused
234 _Variant_tuple parameter.
235 (__gen_vtable_impl::__visit_invoke_impl): Remove.
236 (__gen_vtable_impl::__do_visit_invoke): Remove.
237 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
238 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
239 for the visit<R> case, rather than dispatching to separate functions.
240 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
241 lambda return void.
242 (variant::swap): Likewise.
243 (__do_visit): Replace two non-type template parameters with a single
244 type parameter, so that the caller must specify the visitor's return
245 type (or one of the tag types).
246 (visit): Deduce a return type from the visitor and use the
247 __deduce_visit_result tag to enforce that all overloads return the
248 same type.
249 (visit<R>): Call __do_visit<R> with explicit result type.
250 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
251 lambda return void.
252
b8dcd41e 2532019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
254
255 nonesuch is insufficiently useless (lwg2996)
256 * include/std/type_traits (struct __nonesuch): Added private base
257 class to make __nonesuch not an aggregate and removed deleted default
258 constructor.
259 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
260 (operator=(const pair&)): Use __nonesuch instead of
261 __nonesuch_no_braces.
262 (operator=(pair&&)): Likewise
263 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
264 of __nonesuch_no_braces.
265 (operator=(tuple&&)): Likewise
266 * include/experimental/type_traits (struct nonesuch): Added private
267 base class to make nonesuch not an aggregate and removed deleted
268 default constructor.
269 * testsuite/20_util/nonesuch/nonesuch.cc: New.
270 * testsuite/experimental/type_traits/nonesuch.cc: New.
271
e0bcd31d 2722019-05-14 Jonathan Wakely <jwakely@redhat.com>
273
3ff2b640 274 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
275 (_Function_handler): Remove partial specializations for void return
276 types and pointers to member.
277 (_Function_handler::_M_manager): Adapt to removal of
278 _Simple_type_wrapper.
279 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
280 * include/std/functional (_Bind_result::__enable_if_void)
281 (_Bind_result::__disable_if_void): Remove sfinae helpers.
282 (_Bind_result::__call): Use __invoke_r and remove overloads for void
283 return types.
284 * include/std/future (__future_base::_Task_state::_M_run)
285 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
286 change return type of lambda expressions.
287
a858e2a4 288 * include/bits/invoke.h (__invoke_r): Define new function implementing
289 the INVOKE<R> pseudo-function.
290 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
291 * testsuite/20_util/function_objects/invoke/2.cc: New test.
292
2cfc6a76 293 * include/std/type_traits (__is_nt_convertible_helper): Define it
294 unconditionally, not only for C++20.
295 (__is_nothrow_convertible): Define internal trait for use in C++11.
296 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
297 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
298 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
299 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
300 that has nothrow explicit conversion but potentially-throwing implicit
301 conversion.
302 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
303 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
304 function to only consider implicit conversions.
305 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
306
e0d65374 307 * include/std/iterator: Include <iosfwd> instead of <istream> and
308 <ostream>.
309
4a182e12 310 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
311 Remove unused, non-standard function.
312
d4a9b293 313 * include/bits/regex.h (match_results::max_size()): Adjust return
314 value to account for prefix/suffix/unmatched subs.
315 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
316 reset the contained sub matches.
317 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
318 function to set result state following a failed match.
319 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
320 sub_match states after _M_resize. Use _M_establish_failed_match.
321
e0bcd31d 322 PR libstdc++/69724
323 * include/std/thread (thread::_State_impl, thread::_S_make_state):
324 Replace single _Callable parameter with variadic _Args pack, to
325 forward them directly to the tuple of decayed copies.
326 * testsuite/30_threads/thread/cons/69724.cc: New test.
327
872d7a1f 3282019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
329
330 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
331 * include/bits/basic_string.h: (operator=(const basic_string&):
332 Move allocator decision to assign.
333 (assign(const basic_string&)): Move allocator decision here.
334 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
335 Add tests.
336 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
337 Add tests.
338
67dff8a4 3392019-05-14 Jonathan Wakely <jwakely@redhat.com>
340
155856f9 341 * testsuite/util/testsuite_allocator.h (memory_resource)
342 (default_resource_mgr): Fix indentation.
343
94e98eda 344 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
345 Use operator-> to access raw pointer member.
346 * testsuite/23_containers/vector/59829.cc: Likewise.
347 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
348 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
349 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
350 for tests.
351 (PointerBase, PointerBase_void): Derive from NullablePointer and use
352 its constructors and equality operators. Change converting
353 constructors to use operator-> to access private member of the other
354 pointer type.
355 (PointerBase_void::operator->()): Add, for access to private member.
356 (operator-(PointerBase, PointerBase)): Change to hidden friend.
357 (operator==(PointerBase, PointerBase)): Remove.
358 (operator!=(PointerBase, PointerBase)): Remove.
359
8ac285f1 360 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
361 not assume field called _M_head_impl is the first tuple element.
362 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
363 implementation more accurate.
364 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
365 empty pointer type and non-empty deleter.
366
67dff8a4 367 LWG 2899 - Make is_move_constructible correct for unique_ptr
368 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
369 move assignment operator.
370 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
371 (__uniq_ptr_data): New class template with conditionally deleted
372 special members.
373 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
374 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
375 constructor and move assignment operator as defaulted.
376 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
377 __uniq_ptr_impl::release().
378 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
379 to __uniq_ptr_impl::reset(pointer).
380 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
381 Check for new __uniq_ptr_data type.
382 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
383
6818ab51 3842019-05-13 Jonathan Wakely <jwakely@redhat.com>
385
fecfaafd 386 PR libstdc++/90454.cc path construction from void*
387 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
388 pointers to void are rejected as well as void.
389 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
390 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
391 pointers to void.
392 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
393
6818ab51 394 * doc/xml/manual/policy_data_structures.xml: Comment out stray
395 <remark> elements. Fix formatting of bibliography references.
396
8967657e 3972019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
398
399 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
400
8dd55415 4012019-05-13 Jonathan Wakely <jwakely@redhat.com>
ca8ead92 402
b6cabd65 403 Remove Profile Mode, deprecated since 7.1.0
404 * doc/Makefile.am: Remove XML file for profile mode docs.
405 * doc/Makefile.in: Regenerate.
406 * doc/xml/authors.xml: Remove authors of profile mode docs.
407 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
408 mode.
409 * doc/xml/manual/debug.xml: Likewise.
410 * doc/xml/manual/evolution.xml: Document removal of profile mode.
411 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
412 * doc/xml/manual/spine.xml: Remove profile mode author credit.
413 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
414 directive.
415 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
416 macro.
417 * doc/html/*: Regenerate.
418 * include/Makefile.am: Remove profile mode headers.
419 * include/Makefile.in: Regenerate.
420 * include/bits/c++config (std::__profile): Remove namespace.
421 [_GLIBCXX_PROFILE]: Remove checks for macro.
422 * include/profile/array: Remove.
423 * include/profile/base.h: Remove.
424 * include/profile/bitset: Remove.
425 * include/profile/deque: Remove.
426 * include/profile/forward_list: Remove.
427 * include/profile/impl/profiler.h: Remove.
428 * include/profile/impl/profiler_algos.h: Remove.
429 * include/profile/impl/profiler_container_size.h: Remove.
430 * include/profile/impl/profiler_hash_func.h: Remove.
431 * include/profile/impl/profiler_hashtable_size.h: Remove.
432 * include/profile/impl/profiler_list_to_slist.h: Remove.
433 * include/profile/impl/profiler_list_to_vector.h: Remove.
434 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
435 * include/profile/impl/profiler_node.h: Remove.
436 * include/profile/impl/profiler_state.h: Remove.
437 * include/profile/impl/profiler_trace.h: Remove.
438 * include/profile/impl/profiler_vector_size.h: Remove.
439 * include/profile/impl/profiler_vector_to_list.h: Remove.
440 * include/profile/iterator_tracker.h: Remove.
441 * include/profile/list: Remove.
442 * include/profile/map: Remove.
443 * include/profile/map.h: Remove.
444 * include/profile/multimap.h: Remove.
445 * include/profile/multiset.h: Remove.
446 * include/profile/ordered_base.h: Remove.
447 * include/profile/set: Remove.
448 * include/profile/set.h: Remove.
449 * include/profile/unordered_base.h: Remove.
450 * include/profile/unordered_map: Remove.
451 * include/profile/unordered_set: Remove.
452 * include/profile/vector: Remove.
453 * scripts/run_doxygen: Do not process profile mode headers.
454 * testsuite/23_containers/array/element_access/60497.cc: Don't use
455 profile mode type.
456 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
457 Remove dg-skip-if for profile mode.
458 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
459 preprocessor check for profile mode.
460 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
461 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
462 for profile mode.
463 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
464 Likewise.
465 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
466 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
467 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
468 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
469 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
470 Likewise.
471 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
472 Likewise.
473 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
474 Likewise.
475 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
476 Likewise.
477 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
478 preprocessor check for profile mode.
479 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
480 Likewise.
481 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
482 Remove dg-skip-if for profile mode.
483 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
484 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
485 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
486 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
487 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
488 * testsuite/Makefile.am: Remove profile_flags variable and
489 * testsuite/Makefile.am: Remove profile_flags variable and
490 check-profile target.
491 * testsuite/Makefile.in: Regenerate.
492 * testsuite/ext/profile/all.cc: Remove.
493 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
494 * testsuite/ext/profile/profiler_algos.cc: Remove.
495 * testsuite/ext/profile/replace_new.cc: Remove.
496 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
497 preprocessor check for profile mode.
498 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
499 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
500 (check_v3_target_normal_mode): Do not check for profile mode macro.
501 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
502 profile mode.
503 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
504 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
505 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
506 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
507 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
508 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
509 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
510 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
511 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
512 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
513
ca8ead92 514 Remove array_allocator extension, deprecated since 4.9.0
515 * doc/xml/manual/allocator.xml: Remove documentation for
516 array_allocator.
517 * doc/xml/manual/evolution.xml: Document array_allocator removal.
518 * doc/xml/manual/using.xml: Remove header from documentation.
519 * include/Makefile.am: Remove <ext/array_allocator.h> header.
520 * include/Makefile.in: Regenerate.
521 * include/ext/array_allocator.h: Remove.
522 * include/precompiled/extc++.h: Do not include removed header.
523 * testsuite/ext/array_allocator/1.cc: Remove.
524 * testsuite/ext/array_allocator/2.cc: Remove.
525 * testsuite/ext/array_allocator/26875.cc: Remove.
526 * testsuite/ext/array_allocator/3.cc: Remove.
527 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
528 * testsuite/ext/array_allocator/check_delete.cc: Remove.
529 * testsuite/ext/array_allocator/check_new.cc: Remove.
530 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
531 * testsuite/ext/headers.cc: Do not include removed header.
532
64b2700c 5332019-05-11 François Dumont <fdumont@gcc.gnu.org>
534
535 * include/bits/stl_bvector.h
536 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
537 Make hidden friend.
538 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
539 Likewise.
540 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
541 Likewise.
542 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
543 Likewise.
544 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
545 Likewise.
546 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
547 Likewise.
548 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
549 Likewise.
550 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
551 copy elision.
552 (_Bit_iterator::operator-(difference_type)): Likewise.
553 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
554 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
555 NRVO copy elision.
556 (_Bit_const_iterator::operator-(difference_type)): Likewise.
557 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
558
de3f1d9a 5592019-05-10 Jonathan Wakely <jwakely@redhat.com>
560
eb1be9e7 561 PR libstdc++/81266
562 * testsuite/util/thread/all.h: Do not use remove_pointer for
563 std::thread::native_handle_type.
564
5c6334a5 565 PR libstdc++/90397
566 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
567 (_Variant_storage<true, Types...>::_M_reset()))
568 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
569 (__get_storage): Likewise.
570 (variant): Add noexcept to friend declarations for __get and
571 __get_storage.
572
3e5c91bd 573 PR libstdc++/90388
574 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
575 Use _Require for constraints.
576 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
577 per the standard.
578 (__uniq_ptr_hash): New base class with conditionally-disabled call
579 operator.
580 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
581 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
582 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
583
de3f1d9a 584 * include/bits/shared_ptr.h: Improve docs.
585 * include/bits/shared_ptr_base.h: Likewise.
586 * include/bits/stl_uninitialized.h: Likewise.
587 * include/bits/unique_ptr.h: Likewise.
588 * libsupc++/new: Likewise.
589
d084c5ba 5902019-05-09 François Dumont <fdumont@gcc.gnu.org>
591
592 * include/bits/stl_deque.h
593 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
594 Make hidden friend.
595 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
596 Likewise.
597 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
598 Likewise.
599 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
600 Likewise.
601 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
602 Likewise.
603 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
604 Likewise.
605 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
606 copy elision.
607 (_Deque_iterator<>::operator-(difference_type)): Likewise.
608
0f61cb49 6092019-05-08 François Dumont <fdumont@gcc.gnu.org>
610
611 PR libstdc++/90277
612 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
613 (test01): Reserve for number of insertions to avoid rehash during test.
614 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
615 (test01): Likewise.
616 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
617 (test01): Likewise.
618 (test02): Likewise.
619 (test03): Likewise.
620
c800ee48 6212019-05-08 Jonathan Wakely <jwakely@redhat.com>
622
623 * include/experimental/bits/fs_path.h: Improve docs.
624 * include/experimental/bits/net.h: Fix wrong header name in comment.
625 Do not document implementation details.
626 * include/experimental/netfwd: Fix doxygen grouping.
627
b103d23d 6282019-05-07 Jonathan Wakely <jwakely@redhat.com>
629
aa371af3 630 * include/bits/stl_pair.h: Improve docs.
631 * include/std/tuple: Likewise.
632
dceea60f 633 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
634 inline namespace.
635 * include/std/chrono: Improve docs.
636 * include/std/ratio: Do not document implementation details.
637 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
638 line numbers.
639 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
640
a9ae69b5 641 PR libstdc++/89102
642 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
643 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
644 (__duration_common_type): New helper.
645 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
646 __duration_common_type.
647 (__timepoint_common_type_wrapper): Replace with ...
648 (__timepoint_common_type): New helper.
649 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
650 Use __time_point_common_type.
651 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
652 (__common_type_impl): If either argument is transformed by decay,
653 use the common_type of the decayed types.
654 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
655 decayed, use __do_common_type_impl to get the common_type.
656 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
657 (__do_member_type_wrapper, __member_type_wrapper)
658 (__expanded_common_type_wrapper): Remove.
659 (__common_type_pack, __common_type_fold): New helpers.
660 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
661 __member_type_wrapper and __expanded_common_type_wrapper.
662 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
663 Test zero-length template argument list.
664 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
665 Test single argument cases and argument types that should decay.
666 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
667 Adjust expected error.
668 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
669 dg-error lineno.
670 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
671 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
672 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
673
b103d23d 674 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
675
69be6ea5 6762019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
677
678 Make allocator propagation more consistent for
679 operator+(basic_string) (P1165R1)
680 * include/bits/basic_string.h
681 (operator+(basic_string&&, basic_string&&): Changed resulting
682 allocator to always be the one from the first parameter.
683 * include/bits/basic_string.tcc
684 (operator+(const _CharT*, const basic_string&)): Changed
685 resulting allocator to be SOCCC on the second parameter's allocator.
686 (operator+(_CharT, const basic_string&)): Likewise.
687 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
688 New.
689 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
690 New.
691
845d0fd6 6922019-05-07 Jonathan Wakely <jwakely@redhat.com>
693
29499715 694 * include/bits/regex.h: Improve docs.
695 * include/bits/regex.tcc: Do not document implementation details.
696
845d0fd6 697 * testsuite/19_diagnostics/error_code/hash.cc: New test.
698
3eec8b67 6992019-05-06 François Dumont <fdumont@gcc.gnu.org>
700
701 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
702 Add type printer for container types in std::__debug namespace.
703 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
704 (gdb-tests): Use distinct parameters for the type of test and use of
705 regex.
706 (gdb-test): Check for regex test even if 'whatis' test.
707 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
708 mode.
709 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
710 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
711 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
712 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
713 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
714 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
715 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
716
80175534 7172019-05-04 Jonathan Wakely <jwakely@redhat.com>
718
2d527eb0 719 * include/std/system_error (error_category): Fix comment.
720
84eda927 721 PR libstdc++/90299
722 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
723 argument is an empty path.
724 (absolute(const path&, error_code&)): Use invalid_argument as error
725 code instead of no_such_file_or_directory.
726 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
727 of non-existent paths and empty paths with both overloads of absolute.
728
98a3d630 729 * include/std/system_error (error_category, error_code)
730 (error_condition): Improve docs.
731 * libsupc++/exception: Add missing @addtogroup Doxygen command.
732 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
733 to class documentation. Suppress documentation for implementation
734 details.
735 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
736 Suppress documentation for implementation details.
737
80175534 738 * include/std/system_error (error_code): Remove friend declaration
739 for hash<error_code>.
740 (hash<error_code>::operator()): Use public member functions to access
741 value and category.
742 (hash<error_condition>::operator()): Use address of category, not
743 its object representation.
744 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
745 Use public member functions to access value and category.
746 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
747
476bdccf 7482019-05-04 François Dumont <fdumont@gcc.gnu.org>
749
750 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
751 * include/bits/hashtable_policy.h
752 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
753 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
754 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
755 smaller than input value rather than always greater. Preserve
756 _M_next_resize if called with 0 input. Use __builtin_floorl.
757 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
758 elements + number of insertions is greater than _M_next_resize. Start
759 with 11 buckets if not told otherwise. Use __builtin_floorl.
760 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
761 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
762 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
763 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
764 told otherwise. Use __builtin_floorl.
765 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
766 to also validate _Power2_rehash_policy.
767 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
768 Adapt.
769
2051f7c0 7702019-05-03 Jonathan Wakely <jwakely@redhat.com>
771
85015e21 772 PR libstdc++/61761
773 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
774 std::copysign.
775
2051f7c0 776 PR libstdc++/52119
777 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
778 overflow warning with -Wpedantic -Wsystem-headers.
779
c47265a8 7802019-05-02 Jonathan Wakely <jwakely@redhat.com>
781
9766cefe 782 PR libstdc++/90314
783 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
784 * include/bits/move.h (swap): Remove extra parentheses.
785
6bd15da3 786 * include/experimental/bits/lfts_config.h: Improve doc markup.
787 * include/experimental/optional: Improve docs.
788 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
789 (__constexpr_addressof): Remove.
790 (optional::operator->()): Use std::__addressof().
791 * include/std/optional (optional::operator->()): Adjust whitespace.
792 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
793 that operator-> is still constexpr with overloaded operator&. Change
794 to compile-only test.
795 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
796 compile-only test.
797
f4673ac1 798 * include/bits/shared_ptr.h: Improve docs.
799 * include/bits/shared_ptr_atomic.h: Likewise.
800 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
801
c88f1c9d 802 * include/bits/basic_string.h: Fix iterator/index confusion in
803 Doxygen comments.
804 * include/bits/range_access.h: Fix Doxygen warnings.
805 * include/bits/refwrap.h: Do not document implementation details.
806 (ref, cref): Group docs with reference_wrapper.
807 * include/std/fstream: Fix Doxygen markup.
808 * libsupc++/initializer_list (begin, end): Group docs with
809 initializer_list.
810
0276ef36 811 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
812
5ba27b7d 813 * include/bits/unique_lock.h: Fix/improve doxygen markup.
814 * include/std/mutex: Likewise.
815 * include/std/shared_mutex: Likewise.
816
c2046340 817 * include/bits/fs_dir.h: Fix/improve doxygen markup.
818 * include/bits/fs_fwd.h: Likewise.
819 * include/bits/fs_ops.h: Likewise.
820 * include/bits/fs_path.h: Likewise.
821 * include/std/filesystem: Likewise.
822
f73340aa 823 * include/experimental/bits/net.h: Fix/improve doxygen markup.
824 * include/experimental/buffer: Likewise.
825 * include/experimental/executor: Likewise.
826 * include/experimental/internet: Likewise.
827 * include/experimental/io_context: Likewise.
828 * include/experimental/net: Likewise.
829 * include/experimental/netfwd: Likewise.
830 * include/experimental/socket: Likewise.
831 * include/experimental/timer: Likewise.
832
b87d52bd 833 * doc/doxygen/doxygroups.cc: Move description of experimental group
834 here.
835 * include/experimental/algorithm: Add to libfund-ts doc group.
836 * include/experimental/any: Likewise. Do not document implementation
837 details.
838 * include/experimental/array: Add to libfund-ts doc group.
839 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
840 for Library Fundamentals.
841 * include/experimental/chrono: Add to libfund-ts doc group.
842 * include/experimental/deque: Likewise.
843 * include/experimental/forward_list: Likewise.
844 * include/experimental/functional: Likewise.
845 * include/experimental/iterator: Likewise.
846 * include/experimental/list: Likewise.
847 * include/experimental/map: Likewise.
848 * include/experimental/memory: Likewise.
849 * include/experimental/memory_resource: Likewise. Improve docs.
850 details.
851 * include/experimental/numeric: Add to libfund-ts doc group.
852 * include/experimental/optional: Likewise.
853 * include/experimental/propagate_const: Likewise.
854 * include/experimental/random: Likewise.
855 * include/experimental/ratio: Likewise.
856 * include/experimental/regex: Likewise.
857 * include/experimental/set: Likewise.
858 * include/experimental/source_location: Likewise.
859 * include/experimental/string: Likewise.
860 * include/experimental/string_view: Likewise.
861 * include/experimental/system_error: Likewise.
862 * include/experimental/tuple: Likewise.
863 * include/experimental/type_traits: Likewise.
864 * include/experimental/unordered_map: Likewise.
865 * include/experimental/unordered_set: Likewise.
866 * include/experimental/utility: Likewise.
867 * include/experimental/vector: Likewise.
868 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
869 * testsuite/experimental/array/neg.cc: Adjust dg-error.
870 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
871 Likewise.
872 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
873 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
874 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
875 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
876 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
877
07894d48 878 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
879 * include/experimental/bits/fs_fwd.h: Improve docs.
880 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
881 * include/experimental/bits/fs_path.h: Likewise.
882 (path, filesystem_error, u8path): Improve docs.
883 * include/experimental/filesystem: Link to docs for TS.
884
cd877474 885 * config/allocator/new_allocator_base.h (__allocator_base): Add
886 workaround for Doxygen bug #6945.
887 * include/std/memory: Improve docs. Define group for pointer safety.
888 * include/std/scoped_allocator: Improve docs. Use "undocumented"
889 conditional to suppress documentation for implementation details.
890
72e8cf41 891 * include/bits/specfun.h: Improve docs.
892 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
893 and namespaces.
894
633c66f0 895 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
896 (std::experimental): Add docs.
897 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
898 namespace to nothing when generating docs.
899 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
900 * include/std/chrono (std::chrono): Likewise.
901 * include/std/functional (std::placeholders): Likewise.
902 * include/std/thread (std::this_thread): Likewise.
903
17035a16 904 * include/parallel/settings.h: Fix Doxygen markup.
905
6de90d17 906 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
907 anything unless PB_DS_CLASS_C_DEC is defined.
908 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
909 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
910 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
911 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
912 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
913 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
914 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
915 Likewise.
916 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
917 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
918 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
919 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
920 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
921 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
922 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
923 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
924 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
925 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
926 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
927 Likewise.
928 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
929 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
930 Likewise.
931 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
932 Likewise.
933
c47265a8 934 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
935 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
936 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
937 Doxygen expands.
938
269f393a 9392019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
940
941 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
942 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
943 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
944 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
945 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
946 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
947 Likewise.
948 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
949 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
950 Likewise.
951
c64aa5a2 9522019-05-01 Jonathan Wakely <jwakely@redhat.com>
953
954 PR libstdc++/61761
955 * include/std/complex (__complex_proj): Return parameter unchanged.
956 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
957 floating-point types to take std::complex arguments.
958 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
959 floating-point types.
960 * testsuite/26_numerics/complex/proj.cc: New test.
961
9d5de90f 9622019-04-30 Jakub Jelinek <jakub@redhat.com>
963
964 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
965 to _Lock_policyE[012].
966 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
967
612b2ae7 9682019-04-30 Jonathan Wakely <jwakely@redhat.com>
969
970 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
971 macros accidentally left in.
972 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
973 unnecessary -lstdc++fs option. Fix test for mingw.
974 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
975 Fix test for mingw.
976
55843567 9772019-04-30 Jakub Jelinek <jakub@redhat.com>
978
979 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
980
c5aaf0af 9812019-04-29 Jonathan Wakely <jwakely@redhat.com>
982
d9375e49 983 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
984
744a3010 985 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
986 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
987
e3600f25 988 PR libstdc++/71312
989 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
990
4b7f4f12 991 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
992 attribute.
993
94ed6c0a 994 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
995 class template and partial specialization.
996
c5aaf0af 997 PR libstdc++/87982
998 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
999 an integral type.
1000 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
1001 functions to convert a value to an integral type.
1002 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
1003 (fill_n): Convert _Size parameter to an integral type.
1004 * testsuite/25_algorithms/fill_n/87982.cc: New test.
1005 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
1006 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
1007 * testsuite/25_algorithms/generate_n/87982.cc: New test.
1008 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
1009 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
1010
ac8f540e 10112019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
a4360611 1012
1013 Adding noexcept-specification on tuple constructors (LWG 2899)
1014 * libstdc++-v3/include/std/tuple:
1015 (tuple()): Add noexcept-specification.
1016 (tuple(const _Elements&...)): Likewise
1017 (tuple(_UElements&&...)): Likewise
1018 (tuple(const tuple<_UElements...>&)): Likewise
1019 (tuple(tuple<_UElements...>&&)): Likewise
1020 (tuple(const _T1&, const _T2&)): Likewise
1021 (tuple(_U1&&, _U2&&)): Likewise
1022 (tuple(const tuple<_U1, _U2>&): Likewise
1023 (tuple(tuple<_U1, _U2>&&): Likewise
1024 (tuple(const pair<_U1, _U2>&): Likewise
1025 (tuple(pair<_U1, _U2>&&): Likewise
1026 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
1027
b9fe1c54 10282019-04-27 Marc Glisse <marc.glisse@inria.fr>
1029
1030 PR libstdc++/87106
1031 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
1032 arguments with __restrict.
1033
a596cded 10342019-04-26 H.J. Lu <hongjiu.lu@intel.com>
1035
1036 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
1037
051e444d 10382019-04-26 Jonathan Wakely <jwakely@redhat.com>
1039
3c259ff8 1040 * include/experimental/bits/fs_path.h
1041 (path::_S_convert_loc<_InputIterator>): Create const std::string to
1042 avoid redundant call to _S_convert_loc with non-const pointers.
1043
2f95fa8e 1044 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
1045 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
1046 * testsuite/21_strings/basic_string/hash/hash.cc
1047 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
1048 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
1049 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
1050
46933618 1051 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
1052 wstring::_M_replace_dispatch with more specific patterns.
1053 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
1054 Create const std::string to avoid redundant call to _S_convert_loc
1055 with non-const pointers.
1056 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
1057 avoid unnecessary basic_string::assign instantiations.
1058
051e444d 1059 * include/std/memory (__uses_alloc_args): Add string-literal to
1060 static_assert, to match the one in __uses_alloc.
1061 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
1062 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
1063 for recursive uses-allocator construction of nested pairs.
1064 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
1065 comment.
1066
db1349a6 10672019-04-26 Jakub Jelinek <jakub@redhat.com>
1068
dd693c4a 1069 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1070 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1071 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1072 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1073
db1349a6 1074 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1075 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1076 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1077 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1078 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1079 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1080 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1081
f0a82465 10822019-04-25 Jonathan Wakely <jwakely@redhat.com>
1083
1084 PR libstdc++/90239
1085 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
1086 * include/std/scoped_allocator [__cplusplus > 201703L]
1087 (scoped_allocator_adaptor::construct): Define in terms of
1088 uses_allocator_construction_args, as per P0591R4.
1089 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
1090 * testsuite/util/testsuite_allocator.h: Remove name of unused
1091 parameter.
1092
fd1863e1 10932019-04-24 Jonathan Wakely <jwakely@redhat.com>
1094
9ed11778 1095 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
1096 * doc/html/*: Regenerate.
1097
39b59bb9 1098 * include/bits/fs_path.h (operator<, operator<=, operator>)
1099 (operator>=, operator==, operator!=): Make hidden friends, as per
1100 LWG 3065.
1101 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
1102 string type in test.
1103 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
1104
dd3b7006 1105 * include/std/any (any::any(ValueType&&)): Use __and_v.
1106 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
1107 Likewise.
1108
14710c9d 1109 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
1110 as per P0777R1.
1111 * include/std/type_traits (__result_of_memfun): Use remove_reference
1112 instead of __remove_cvref_t and remove redundant is_same check.
1113 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
1114
809f1d63 1115 * include/experimental/string_view (basic_string_view::pointer)
1116 (basic_string_view::reference): Fix to refer to non-const value_type.
1117 * include/bits/basic_string.h (basic_string): Use __sv_check and
1118 __sv_limit instead of basic_string_view::_M_check and
1119 basic_string_view::_M_limit.
1120 * include/std/string_view (__sv_check, __sv_limit): New
1121 helper functions to replace basic_string_view::_M_check and
1122 basic_string_view::_M_limit.
1123 (basic_string_view): Add static assertions to enforce ill-formed
1124 requirement for traits_type::char_type from P1148R0, and to enforce
1125 required properties of char-like types.
1126 (basic_string_view::pointer, basic_string_view::reference): Fix to
1127 refer to non-const value_type.
1128 (basic_string_view::operator[], basic_string_view::at)
1129 (basic_string_view::front, basic_string_view::back)
1130 (basic_string_view::data): Use const_reference and const_pointer
1131 typedefs for return types.
1132 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
1133 (hash<wstring_view>): Fix argument_type typedef.
1134 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1135 char/1.cc: Fix expected return type of basic_string_view::data().
1136 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1137 wchar_t/1.cc: Likewise.
1138 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1139 char/1.cc: Likewise.
1140 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1141 wchar_t/1.cc: Likewise.
1142 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
1143 New test.
1144 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
1145 Check reference and pointer typedefs.
1146 * testsuite/experimental/string_view/requirements/typedefs.cc:
1147 Likewise.
1148 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
1149 Fix expected return type of basic_string_view::data().
1150 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
1151 1.cc: Likewise.
1152 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
1153 Likewise.
1154 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
1155 1.cc: Likewise.
1156
37020b0a 1157 PR libstdc++/90220
1158 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
1159 Avoid a runtime check for types that can never be stored in std::any.
1160 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
1161 array types.
1162
b8e73341 1163 PR libstdc++/90220 (partial)
1164 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
1165 not attempt ill-formed static_cast to pointers to non-object types.
1166 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
1167 function types.
1168
1c9c8e0d 1169 * testsuite/20_util/variant/run.cc: Catch exception by reference to
1170 prevent -Wcatch-value warning.
1171
fd1863e1 1172 * include/std/variant (__variant_construct): Use template parameter
1173 type instead of equivalent decltype-specifier.
1174 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
1175 Replace forward with move.
1176 (_Move_ctor_base<false, Types...>::_M_destructive_move)
1177 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
1178 (_Move_ctor_base<true, Types...>::_M_destructive_move)
1179 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
1180 index after construction succeeds.
1181 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
1182 if-constexpr checks that are always true. Use __remove_cvref_t instead
1183 of remove_reference so that is_nothrow_move_constructible check
1184 doesn't use a const rvalue parameter. In the potentially-throwing case
1185 construct a temporary and move assign it, as per LWG 2904.
1186 (_Move_assign_base<false, Types...>::operator=): Remove redundant
1187 if-constexpr checks that are always true. Use emplace as per LWG 2904.
1188 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
1189 construct a temporary and move assign from it, as per LWG 2904.
1190 * testsuite/20_util/variant/exception_safety.cc: Check that
1191 assignment operators have strong exception safety guarantee.
1192
55bb4515 11932019-04-23 Thomas Rodgers <trodgers@redhat.com>
1194
1195 Document PSTL linker flags
1196
7f6a1a9c 1197 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
55bb4515 1198
b48cc8c5 11992019-04-23 Jonathan Wakely <jwakely@redhat.com>
1200
a4265b66 1201 * include/std/variant (__detail::__variant::_Traits): Make
1202 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
1203 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
1204 P0602R4.
1205 (__detail::__variant::_Copy_assign_alias): Only depend on
1206 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
1207 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
1208 move assignment operators.
1209
28cc38ec 1210 PR libstdc++/90165
1211 * include/std/variant (variant::__not_self): New helper for the
1212 is_same_v<remove_cvref_t<T>, variant>==false constraints.
1213 (variant::__to_type_impl): Remove.
1214 (variant::__to_type): Add default argument to check pack size, instead
1215 of using __to_type_impl.
1216 (variant::__accepted_type): Add default argument using __not_self.
1217 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
1218 for variant(T&&) constructor constraint.
1219 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
1220 Extract __accepted_type into a named template parameter for reuse in
1221 other constraints and in the exception specification.
1222 (variant::variant(in_place_type_t<T>, Args&&...))
1223 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
1224 (variant::variant(in_place_index_t<T>, Args&&...))
1225 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
1226 (variant::operator=T&&)): Remove redundant && from trait arguments.
1227 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
1228 isn't used for in_place_type or in_place_index arguments.
1229
b48cc8c5 1230 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
1231 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
1232 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
1233
9ac9ee83 12342019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1235 Bernd Edlinger <bernd.edlinger@hotmail.de>
1236 Jakub Jelinek <jakub@redhat.com>
1237
1238 PR target/89093
1239 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
1240 general-regs-only target attribute for ARM.
1241
e11f5aed 12422019-04-23 Jonathan Wakely <jwakely@redhat.com>
1243
b9d8292f 1244 PR libstdc++/87431
1245 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
1246 specialization also depend on is_nothrow_move_constructible.
1247 * include/std/variant (__detail::__variant::__never_valueless()):
1248 Only true if the variant would have a move assignment operator.
1249 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
1250 Check __never_valueless<T...>().
1251 (variant::emplace): Only perform non-throwing move assignments
1252 for never-valueless alternatives if the variant has a move assignment
1253 operator.
1254 * testsuite/20_util/variant/compile.cc: Check that never-valueless
1255 types can be emplaced into non-assignable variants.
1256 * testsuite/20_util/variant/run.cc: Check that never-valueless types
1257 don't get copied when emplaced into non-assignable variants.
1258
e11f5aed 1259 * include/std/variant (__detail::__variant::__ref_cast): Remove
1260 unused function.
1261 (__detail::__variant::_Uninitialized::_M_get)
1262 (__detail::__variant::__get)
1263 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
1264
46fbb8aa 12652019-04-21 Iain Sandoe <iain@sandoe.co.uk>
1266
1267 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
1268 to Darwin10.
1269 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
1270 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
1271 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
1272 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
1273
dff3f73c 12742019-04-20 Thomas Rodgers <trodgers@redhat.com>
1275
1276 Delegate PSTL configuration to pstl/pstl_config.h
1277
1278 * include/bits/c++config: Remove explicit PSTL configuration
1279 macros and use definitions from <pstl/pstl_config.h>.
1280
3dbad48e 12812019-04-20 Thomas Rodgers <trodgers@redhat.com>
1282
1283 Cleanup algorithm implementations
1284 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
ed42fdb5 1285 execution policy.
3dbad48e 1286 (mismatch): Forward execution policy.
1287 (equal): Qualify call to std::equal().
1288 (partial_sort): Forward execution policy.
1289 (inplace_merge): Forward execution policy.
1290
5d637ddd 12912019-04-19 Thomas Rodgers <trodgers@redhat.com>
1292
1293 Improve implementation of parallel equal()
1294 * include/pstl/algorithm_impl.h
1295 (__internal::__brick_equal): use "4 iterator" version of
1296 std::equal().
1297 (__internal::__brick_equal): use simd for random access
1298 iterators on unsequenced execution policies.
1299 (__internal::__pattern_equal): add "4 iterator" version
1300 (__internal::__pattern_equal): dispatch to simd __brick_equal
1301 for vector-only execution policies.
1302 (__internal::__pattern_equal): dispatch to __parallel_or for
1303 parallel execution policies.
1304 * include/pstl/glue_algorithm_impl.h
1305 (std::equal): dispatch to "4 iterator" version of
1306 __internal::__pattern_equal().
1307
88dbeb04 13082019-04-17 Jonathan Wakely <jwakely@redhat.com>
1309
a0295ab5 1310 PR libstdc++/90105
1311 * include/bits/forward_list.h (operator==): Do not use operator!= to
1312 compare elements.
1313 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
1314 earlier in the list, so that sort is stable.
1315 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
1316 * testsuite/23_containers/forward_list/comparable.cc: Test with
1317 types that meet the minimum EqualityComparable and LessThanComparable
1318 requirements. Remove irrelevant comment.
1319
37a7dbf9 1320 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
1321 Do not depend on whether all alternative types are move constructible.
1322 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
1323 from the operand when deciding whether to perform the assignment.
1324 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
1325 with deleted move constructor and deleted move assignment operator.
1326 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
1327 behaviour of variants with DeletedMoves as an alternative.
1328 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
1329 (move_ctor, move_assign): Check that moving a variant with a
1330 DeletedMoves alternative falls back to copying instead of moving.
1331
e9a490a4 1332 * testsuite/20_util/variant/compile.cc: Remove empty string literals
1333 from static_assert declarations.
1334
c4495ab1 1335 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
1336 actually match its name.
1337 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
1338 (test_swap()): Fix result for MoveCtorOnly and check
1339 MoveCtorAndSwapOnly.
1340
88dbeb04 1341 * include/std/optional (optional::value_or(U&&) &&): Add missing
1342 constexpr specifier.
1343 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
1344 for disengaged optionals and rvalue optionals.
1345 * testsuite/20_util/optional/observers/4.cc: Likewise.
1346
11deac81 13472019-04-12 Thomas Rodgers <trodgers@redhat.com>
1348
1349 * include/pstl/algorithm_impl.h: Uglify identfiers.
1350 * include/pstl/numeric_impl.h: Uglify identfiers.
1351 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
1352
34d8d757 13532019-04-11 Thomas Rodgers <trodgers@redhat.com>
1354
1355 * include/bits/c++config:
1356 Add definition for __PSTL_ASSERT.
1357 Add definition for __PSTL_ASSERT_MSG.
1358 * include/pstl/algorithm_impl.h: Replace use of assert().
1359 * include/pstl/numeric_impl.h: Replace use of assert().
1360 * include/pstl/parallel_backend_tbb.h:
1361 Replace use of assert().
1362 Replace use of __TBB_ASSERT().
34d8d757 1363 * include/pstl/parallel_backend_utils.h: Replace use of assert().
1364
629a2d18 13652019-04-11 Jonathan Wakely <jwakely@redhat.com>
1366
1367 PR libstdc++/90046
1368 * src/c++17/memory_resource.cc
1369 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
1370 needed to allow placing a _Chunk at the end of the buffer.
1371 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
1372
b047c9ae 13732019-04-10 Jonathan Wakely <jwakely@redhat.com>
1374
6a98b075 1375 * doc/xml/faq.xml: Add information about emergency EH pool.
1376 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
1377 Move outdated information on mt_allocator to a separate section.
1378 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
1379 doesn't affect the default allocator.
1380
706bf2a5 1381 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
1382 typo.
1383
b047c9ae 1384 PR libstdc++/89851
1385 * testsuite/20_util/variant/89851.cc: New test.
1386
faa382bd 13872019-04-09 Jonathan Wakely <jwakely@redhat.com>
1388
492debfa 1389 * include/std/variant: Adjust whitespace. Add comments.
1390 (_Multi_array): Leave primary template undefined.
1391 (_Multi_array<_Tp>): Define partial specialization for base case of
1392 recursion.
1393 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
1394 which is always a reference.
1395 (__gen_vtable::_S_apply()): Remove function, inline body into
1396 default member initializer.
1397 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
1398
47cf9c4c 1399 * include/std/variant (__variant_idx_cookie): Add member type.
1400 (__visitor_result_type): Remove.
1401 (__do_visit): Use invoke_result instead of __visitor_result_type.
1402 * testsuite/20_util/variant/visit.cc: New test.
1403
faa382bd 1404 PR libstdc++/90008
1405 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
1406 unused capture.
1407 * testsuite/20_util/variant/90008.cc: New test.
1408
e4da4897 14092019-04-09 Thomas Rodgers <trodgers@redhat.com>
1410
1411 * include/pstl/algorithm_impl.h: Add namespace qualification.
1412 * include/pstl/execution_defs.h: Add namespace qualification.
1413 * include/pstl/execution_impl.h: Add namespace qualification.
1414 * include/pstl/numeric_impl.h: Add namespace qualification.
1415 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
1416 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
1417 * include/pstl/parallel_backend_utils.h: Include <cassert>.
1418
ff7d433d 14192019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
1420
1421 Fix visit<R> for variant.
1422 * include/std/variant (__do_visit): Add a template parameter
1423 for enforcing same return types for visit.
1424 (__gen_vtable_impl): Likewise.
1425 (_S_apply_single_alt): Adjust.
1426 (__visit_invoke_impl): New. Handle casting to void.
1427 (__do_visit_invoke): New. Enforces same return types.
1428 (__do_visit_invoke_r): New. Converts return types.
1429 (__visit_invoke): Adjust.
1430 (__gen_vtable): Add a template parameter for enforcing
1431 same return types for visit.
1432 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
1433 different return types.
1434 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
1435 visitors with different return types don't accidentally
1436 compile with regular visitation.
1437
d0f56531 14382019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
1439
1440 * testsuite/27_io/filesystem/iterators/caching.cc: Add
1441 dg-require-filesystem-ts.
1442
781cb64d 14432019-04-05 Jonathan Wakely <jwakely@redhat.com>
1444
bfbd20f7 1445 * doc/xml/manual/status_cxx2020.xml: Update status.
1446 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
1447 * testsuite/20_util/variant/visit_r.cc: New test.
1448
83bd31bf 1449 * include/bits/fs_dir.h (directory_iterator::operator*)
1450 (directory_iterator::operator->): Add noexcept.
1451 (operator==, operator!=): Replace namespace-scope equality operators
1452 for directory iterators with hidden friends.
1453
0067a809 1454 PR libstdc++/89986
1455 * config/abi/pre/gnu.ver: Add missing exports.
1456 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
1457 increment member.
1458
7d0ae205 1459 * config/abi/pre/gnu.ver: Export new symbols.
1460 * include/bits/fs_dir.h (recursive_directory_iterator::options())
1461 (recursive_directory_iterator::recursion_pending())
1462 (recursive_directory_iterator::disable_recursion_pending()): Remove
1463 inline definitions. Make noexcept.
1464 (recursive_directory_iterator::depth())
1465 (recursive_directory_iterator::operator*())
1466 (recursive_directory_iterator::operator->()): Make noexcept.
1467 (recursive_directory_iterator::_M_options)
1468 (recursive_directory_iterator::_M_pending): Remove data members.
1469 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
1470 (recursive_directory_iterator::recursive_directory_iterator): Remove
1471 ctor-initializer. Use new constructor for _Dir_stack.
1472 (recursive_directory_iterator::options())
1473 (recursive_directory_iterator::recursion_pending())
1474 (recursive_directory_iterator::disable_recursion_pending()): Add
1475 non-inline definitions.
1476 (recursive_directory_iterator::depth()): Make noexcept.
1477 (recursive_directory_iterator::increment(error_code&))
1478 (recursive_directory_iterator::pop(error_code&)): Adjust to new
1479 location of options and recursion_pending members.
1480 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
1481 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
1482 user-declared move constructor and assignment operator, to make the
1483 type move-only.
1484
5a6e0b73 1485 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
1486 d_type == DT_UNKNOWN immediately.
1487 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
1488 handling here.
1489 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
1490
aa9c570e 1491 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
1492 assignment.
1493 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
1494 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
1495 assignment.
1496
781cb64d 1497 PR libstdc++/87431 (again)
1498 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
1499 Define partial specialization for basic_string.
1500 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
1501 shared_ptr and weak_ptr.
1502 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
1503 function.
1504 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
1505 vector.
1506 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
1507 unique_ptr.
1508 * include/debug/vector (_Never_valueless_alt): Likewise for debug
1509 vector.
1510 * include/std/any (_Never_valueless_alt): Define explicit
1511 specialization for any.
1512 * include/std/variant (_Never_valueless_alt): Define primary template.
1513 (__never_valueless): Use _Never_valueless_alt instead of
1514 is_trivially_copyable.
1515 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
1516 initializations to avoid try-catch overhead. Add special case for
1517 scalars produced by potentially-throwing conversions. Use
1518 _Never_valueless_alt instead of is_trivially_copyable for the
1519 remaining strong exception-safety cases.
1520 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
1521 * testsuite/20_util/variant/87431.cc: Run both test functions.
1522 * testsuite/20_util/variant/exception_safety.cc: New test.
1523 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
1524 so the variant becomes valueless.
1525
62fd39e8 15262019-04-03 Jonathan Wakely <jwakely@redhat.com>
1527
e1d699b8 1528 PR libstdc++/85184
1529 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
1530 Remove assertions.
72be2bb7 1531 (variant::emplace<_Tp>): Return result of emplace<N> directly.
e1d699b8 1532
62fd39e8 1533 * include/std/string (__hash_string_base): New class template defining
1534 operator() for hashing strings.
1535 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
1536 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
1537 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
1538 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
1539
4f3e024d 15402019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
1541
1542 Use single-visitation in variant assignment and swap and relops.
1543 Also use indices instead of types when checking whether
1544 variants hold the same thing.
1545 * include/std/variant (__do_visit): Add a template parameter
1546 for index visitation, invoke with indices if index visitation
1547 is used.
1548 (__variant_idx_cookie): New.
1549 (__visit_with_index): Likewise.
1550 (_Copy_assign_base::operator=): Do single-visitation with
1551 an index visitor.
1552 (_Move_assign_base::operator=): Likewise.
1553 (_Extra_visit_slot_needed): Adjust.
1554 (__visit_invoke): Call with indices if it's an index visitor.
1555 (relops): Do single-visitation with an index visitor.
1556 (swap): Likewise.
1557 (__visitor_result_type): New.
1558
106979b7 15592019-03-30 Eric Botcazou <ebotcazou@adacore.com>
1560
1561 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
1562
225ca87b 15632019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
1564
1565 Don't revisit a variant we are already visiting.
1566 * include/std/variant (__variant_construct_single): New.
1567 (__variant_construct): Use it.
1568 (_M_destructive_move): Likewise.
1569 (_M_destructive_copy): Likewise.
1570 (_Copy_assign_base::operator=): Adjust.
1571 (_Move_assign_base::operator=): Likewise.
1572 (swap): Likewise.
1573
7237dce7 15742019-03-26 Jonathan Wakely <jwakely@redhat.com>
1575
1576 PR libstdc++/85965
1577 * include/bits/hashtable.h (_Hashtable): Move static assertions to
1578 destructor so they are not evaluated until the _Key type is complete.
1579 * include/bits/stl_tree.h (_Rb_tree): Likewise.
1580 * testsuite/23_containers/set/85965.cc: New test.
1581 * testsuite/23_containers/unordered_set/85965.cc: New test.
1582 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
1583 with regexp matching the corresponding _Rb_tree specialization.
1584 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
1585 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
1586 * testsuite/23_containers/set/48101_neg.cc: Likewise.
1587 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
1588 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
1589 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
1590 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
1591
4c0ef551 15922019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1593
1594 PR libstdc++/89825
1595 Fix based on a suggestion by Antony Polukhin.
1596 * include/std/variant (__never_valueless): New.
1597 (_M_valid): Use it.
1598 (_Extra_visit_slot_needed): New.
1599 (_Multi_array): Use it.
1600 (_S_apply_all_alts): Likewise.
1601
28b460dd 16022019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1603
1604 PR libstdc++/89824
1605 Fix based on a suggestion by Antony Polukhin.
1606 * include/std/variant (__gen_vtable): Don't reserve an
1607 additional table slot, _Multi_array already does that.
1608
4d235dc5 16092019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
1610
1611 PR libstdc++/89816
1612 Fix based on a suggestion by Antony Polukhin.
1613 * include/std/variant (__variant_construct): Capture a pointer
1614 to the storage and visit just one variant.
1615
d0595c7e 16162019-03-22 Jonathan Wakely <jwakely@redhat.com>
1617
5c34f7ca 1618 * doc/xml/manual/backwards_compatibility.xml: Remove link to
1619 Doxygen-generated pages with unstable URL.
1620 * doc/xml/manual/concurrency_extensions.xml: Likewise.
1621 * doc/xml/manual/extensions.xml: Likewise.
1622 * doc/xml/manual/parallel_mode.xml: Likewise.
1623 * doc/xml/manual/support.xml: Likewise.
1624
d0595c7e 1625 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
1626 avoid -Wconversion warnings.
1627
7e155e54 16282019-03-21 Thomas Rodgers <trodgers@redhat.com>
1629
1630 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
1631 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
1632 (allstamped): Add stamp-pstl.
1633 (install-headers): Add ptsl_builddir.
1634 * include/Makefile.in: Regenerate.
1635 * include/bits/c++config: Add pstl configuration.
1636 * include/pstl/LICENSE.txt: New file.
1637 * include/pstl/algorithm_fwd.h: New file.
1638 * include/pstl/algorithm_impl.h: New file.
1639 * include/pstl/execution_defs.h: New file.
1640 * include/pstl/execution_impl.h: New file.
1641 * include/pstl/glue_algorithm_defs.h: New file.
1642 * include/pstl/glue_algorithm_impl.h: New file.
1643 * include/pstl/glue_execution_defs.h: New file.
1644 * include/pstl/glue_memory_defs.h: New file.
1645 * include/pstl/glue_memory_impl.h: New file.
1646 * include/pstl/glue_numeric_defs.h: New file.
1647 * include/pstl/glue_numeric_impl.h: New file.
1648 * include/pstl/memory_impl.h: New file.
1649 * include/pstl/numeric_fwd.h: New file.
1650 * include/pstl/numeric_impl.h: New file.
1651 * include/pstl/parallel_backend.h: New file.
1652 * include/pstl/parallel_backend_tbb.h: New file.
1653 * include/pstl/parallel_backend_utils.h: New file.
1654 * include/pstl/parallel_impl.h: New file.
1655 * include/pstl/pstl_config.h: New file.
1656 * include/pstl/unseq_backend_simd.h: New file.
1657 * include/pstl/utils.h: New file.
1658 * include/std/algorithm: Include parallel algorithm implementations.
1659 * include/std/execution: New file.
1660 * include/std/memory: Include parallel algorithm implementations.
1661 * include/std/numeric: Include parallel algorithm implementations.
1662 * include/std/version: Add parallel algorithms feature test macro.
1663 * testsuite/util/pstl/pstl_test_config.h: New file.
1664 * testsuite/util/pstl/test_utils.h: New file.
1665 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1666 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1667 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1668 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1669 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1670 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1671 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1672 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1673 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1674 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1675 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1676 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1677 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1678 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1679 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1680 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1681 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1682 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1683 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1684 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1685 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1686 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1687 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1688 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1689 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1690 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1691 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1692 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1693 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1694 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1695 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1696 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1697 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1698 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1699 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1700 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1701 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1702 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1703 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1704 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1705 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1706 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1707 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1708 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1709 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1710 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1711 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1712 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1713 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1714 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1715 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1716 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1717 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1718 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1719 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1720 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1721 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1722 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1723 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1724 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1725 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1726 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1727 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1728 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1729 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1730 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1731 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1732 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1733 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1734 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1735 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1736 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1737 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1738 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1739 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1740 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1741 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1742 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1743 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1744 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1745 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1746 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1747 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1748 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1749 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1750 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1751 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1752 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1753 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1754 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1755 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1756 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1757 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1758 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1759 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1760 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1761 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1762 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1763 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1764 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1765 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1766 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1767 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1768 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1769 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1770 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1771
480b3b75 17722019-03-21 Jonathan Wakely <jwakely@redhat.com>
1773
0a4390ac 1774 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
1775 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
1776 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
1777 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
1778 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
1779 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
1780 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
1781 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
1782 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
1783 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
1784 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
1785 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
1786 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
1787 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
1788 when the special functions IS is enabled, not for C++17.
1789 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
1790 Replace with ...
1791 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
1792 without checks for special functions in C++17.
1793 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
1794 New test.
1795
480b3b75 1796 PR libstdc++/88066
1797 * include/backward/hash_map: Use <> for includes not "".
1798 * include/backward/hash_set: Likewise.
1799 * include/backward/strstream: Likewise.
1800 * include/tr1/bessel_function.tcc: Likewise.
1801 * include/tr1/exp_integral.tcc: Likewise.
1802 * include/tr1/legendre_function.tcc: Likewise.
1803 * include/tr1/modified_bessel_func.tcc: Likewise.
1804 * include/tr1/riemann_zeta.tcc: Likewise.
1805
ed360d55 18062019-03-19 Jonathan Wakely <jwakely@redhat.com>
1807
1808 * doc/xml/manual/allocator.xml: Link to table documenting evolution
1809 of extension allocators.
1810 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
1811 Document new headers in 7.2, 8.1 and 9.1 releases.
1812 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
1813 * doc/html/*: Regenerate.
1814
8f9d7eb1 18152019-03-12 John David Anglin <dave.anglin@bell.net>
1816
1817 PR libstdc++/89461
1818 * testsuite/lib/libstdc++.exp: Locate libatomic.
1819 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
1820 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
1821 libatomic options.
1822 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1823 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
1824 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
1825 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
1826
0bd005b6 18272019-03-11 Jonathan Wakely <jwakely@redhat.com>
1828
5995ba3a 1829 PR libstdc++/89460
1830 * configure.ac: Check for sockatmark.
1831 * crossconfig.m4: Check for sockatmark.
1832 * config.h.in: Regenerate.
1833 * configure: Regenerate.
1834 * include/experimental/internet (address_v4::_S_hton): Rename
1835 overloaded functions to _S_hton_16 and _S_ntoh_16.
1836 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
1837 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
1838 * include/experimental/socket (basic_socket::at_mark): Check
1839 _GLIBCXX_HAVE_SOCKATMARK.
1840
5aa8571a 1841 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
1842 const variables instead of macros.
1843
0bd005b6 1844 PR libstdc++/89629
1845 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
1846 Use correct type for len_aligned.
1847 * testsuite/20_util/hash/89629.cc: New test.
1848
bc204227 18492019-03-11 Jakub Jelinek <jakub@redhat.com>
1850
1851 PR libstdc++/89641
1852 * include/std/atomic (atomic<T>::store, atomic<T>::load,
1853 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
1854 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
1855 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
1856 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
1857 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
1858 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
1859 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
1860 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
1861 memory_order_seq_cst to int.
1862
fc557c2b 18632019-03-08 Jonathan Wakely <jwakely@redhat.com>
1864
59b5e890 1865 * doc/xml/manual/using.xml: Use link element instead of xref.
1866 * doc/html/*: Regenerate.
1867
fc557c2b 1868 * include/bits/fs_path.h (path::format): Add fixed underlying type.
1869
66c6ff9e 18702019-03-08 François Dumont <fdumont@gcc.gnu.org>
1871
448338d0 1872 PR libstdc++/89477
1873 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
1874 parameters in deduction guides.
1875 * include/debug/multimap.h (multimap): Likewise.
1876 * include/debug/set.h (multimap): Likewise.
1877 * include/debug/multiset.h (multimap): Likewise.
1878 * include/debug/unordered_map (unordered_map): Likewise.
1879 (unordered_multimap): Likewise.
1880 * include/debug/unordered_set (unordered_set): Likewise.
1881 (unordered_multiset): Likewise.
1882
66c6ff9e 1883 PR libstdc++/89608
1884 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
1885 Invalidate all iterators in case of rehash.
1886 (unordered_multimap<>::_M_check_rehashed): Likewise.
1887 * include/debug/unordered_set
1888 (unordered_set<>::_M_check_rehashed): Likewise.
1889 (unordered_multiset<>::_M_check_rehashed): Likewise.
1890 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
1891
32e92dc2 18922019-03-07 Andreas Schwab <schwab@suse.de>
1893
1894 * config/abi/post/riscv64-linux-gnu: New directory.
1895 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
1896
61dcf2e1 18972019-03-07 Jonathan Wakely <jwakely@redhat.com>
1898
682ee94e 1899 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
1900 compile test to run. Fix typo.
1901
f24442bd 1902 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
1903 * doc/html/*: Regenerate.
1904
61dcf2e1 1905 P0356R5 Simplified partial function application
1906 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
1907 helpers for bind_front.
1908 (bind_front, __cpp_lib_bind_front): Define.
1909 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
1910
b4af2395 19112019-03-06 Jonathan Wakely <jwakely@redhat.com>
1912
1913 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
1914 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
1915 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
1916 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1917
f1857b8b 19182019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
1919
1920 PR libstdc++/86655 - std::assoc_legendre should not constrain
1921 the value of m (or x).
1922 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
1923 __sph_legendre): If degree > order Don't throw, return 0.
1924 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
1925 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
1926 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
1927 * testsuite/tr1/5_numerical_facilities/special_functions/
1928 02_assoc_legendre/pr86655.cc: New test.
1929 * testsuite/tr1/5_numerical_facilities/special_functions/
1930 22_sph_legendre/pr86655.cc: New test.
1931
49c83dca 19322019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
1933
1934 Rewrite variant.
1935 Also PR libstdc++/85517
1936 * include/std/variant (__do_visit): New.
1937 (__variant_cast): Likewise.
1938 (__variant_cookie): Likewise.
1939 (__erased_*): Remove.
1940 (_Variant_storage::_S_vtable): Likewise.
1941 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
1942 (_Variant_storage::__M_reset): Adjust.
1943 (__variant_construct): New.
1944 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
1945 __variant_construct.
1946 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
1947 (_Move_ctor_base::__M_destructive_copy): New.
1948 (_Move_ctor_base::__M_destructive_move): Adjust to use
1949 __variant_construct.
1950 (_Copy_assign_base::operator=): Adjust to use __do_visit.
1951 (_Copy_assign_alias): Adjust to check both copy assignment
1952 and copy construction for triviality.
1953 (_Move_assign_base::operator=): Adjust to use __do_visit.
1954 (_Multi_array): Add support for visitors that accept and return
1955 a __variant_cookie.
1956 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
1957 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
1958 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
1959 a __variant_cookie temporary for a variant that is valueless and..
1960 (__gen_vtable_impl::__visit_invoke): ..adjust here.
1961 (__gen_vtable::_Array_type): Conditionally make space for
1962 the __variant_cookie visitor case.
1963 (__variant_construct_by_index): New.
1964 (get_if): Adjust to use std::addressof.
1965 (relops): Adjust to use __do_visit.
1966 (variant): Add __variant_cast and __variant_construct_by_index
1967 as friends.
1968 (variant::emplace): Use _M_reset() and __variant_construct_by_index
1969 instead of self-destruction.
1970 (variant::swap): Adjust to use __do_visit.
1971 (visit): Reimplement in terms of __do_visit.
1972 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
1973 * testsuite/20_util/variant/compile.cc: Adjust.
1974 * testsuite/20_util/variant/run.cc: Likewise.
1975
13825fb2 19762019-03-06 Jonathan Wakely <jwakely@redhat.com>
1977
2613fa6b 1978 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
1979 constant.
1980 * testsuite/experimental/feat-char8_t.cc: Likewise.
1981
a17f06b3 1982 * include/std/type_traits [C++20] (is_bounded_array)
1983 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
1984 Define.
1985 * testsuite/20_util/is_bounded_array/requirements/
1986 explicit_instantiation.cc: New test.
1987 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
1988 test.
1989 * testsuite/20_util/is_bounded_array/value.cc: New test.
1990 * testsuite/20_util/is_unbounded_array/requirements/
1991 explicit_instantiation.cc: New test.
1992 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
1993 * test.
1994 * testsuite/20_util/is_unbounded_array/value.cc: New test.
1995
13825fb2 1996 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
1997 Add constexpr.
1998 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
1999
2e73e63a 20002019-03-05 Jonathan Wakely <jwakely@redhat.com>
2001
2002 * include/c_compatibility/math.h [C++20] (lerp): Add using
2003 declaration.
2004 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
2005 (__lerp): Define function template to implement lerp.
2006 (lerp(float, float, float), lerp(double, double, double))
2007 (lerp(long double, long double, long double)): Define for C++20.
2008 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
2009 (midpoint(T, T), midpoint(T*, T*)): Define.
2010 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
2011 * testsuite/26_numerics/lerp.cc: New test.
2012 * testsuite/26_numerics/midpoint/floating.cc: New test.
2013 * testsuite/26_numerics/midpoint/integral.cc: New test.
2014 * testsuite/26_numerics/midpoint/pointer.cc: New test.
2015
08d3ce5b 20162019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
2017
2018 PR libstdc++/88996 Implement P0439R0
2019 Make std::memory_order a scoped enumeration.
2020 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
2021 add variables for the old enumerators. Adjust calls.
2022 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
2023 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
2024
ad29ad75 20252019-03-04 Jonathan Wakely <jwakely@redhat.com>
2026
4233f2a8 2027 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
2028 directive.
2029
ad29ad75 2030 * include/std/memory_resource (polymorphic_allocator): Add default
2031 template argument for C++20.
2032 (polymorphic_allocator::allocate_bytes)
2033 (polymorphic_allocator::deallocate_bytes)
2034 (polymorphic_allocator::allocate_object)
2035 (polymorphic_allocator::deallocate_object)
2036 (polymorphic_allocator::new_object)
2037 (polymorphic_allocator::delete_object): New member functions for
2038 C++20.
2039 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
2040 test.
2041
d4c27c4a 20422019-03-03 Jonathan Wakely <jwakely@redhat.com>
2043
2044 PR libstdc++/89562
2045 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
2046 mode for mingw.
2047
6a9c77f1 20482019-03-01 Jonathan Wakely <jwakely@redhat.com>
2049
5b313df9 2050 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
2051 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
2052
6a9c77f1 2053 * include/std/memory (uses_allocator_construction_args): New set of
2054 overloaded functions.
2055 (make_obj_using_allocator, uninitialized_construct_using_allocator):
2056 New functions.
2057 * include/std/memory_resource (polymorphic_allocator::construct)
2058 [__cplusplus > 201703l]: Replace all overloads with a single function
2059 using uses_allocator_construction_args.
2060 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
2061 test.
2062 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
2063
53ea0887 20642019-02-27 Jonathan Wakely <jwakely@redhat.com>
2065
2066 PR libstdc++/89466
2067 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
2068 stylesheet directories before check for xsltproc. Try to use
2069 xmlcatalog to find local stylesheet directory before trying hardcoded
2070 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
2071 check to look for the same stylesheet as doc/Makefile.am uses. Don't
2072 use xsltproc if xmlcatalog fails to find a local stylesheet.
2073 * configure.ac: Check for xmlcatalog.
2074 * Makefile.in: Regenerate.
2075 * configure: Likewise.
2076 * doc/Makefile.in: Likewise.
2077 * include/Makefile.in: Likewise.
2078 * libsupc++/Makefile.in: Likewise.
2079 * po/Makefile.in: Likewise.
2080 * python/Makefile.in: Likewise.
2081 * src/Makefile.in: Likewise.
2082 * src/c++11/Makefile.in: Likewise.
2083 * src/c++17/Makefile.in: Likewise.
2084 * src/c++98/Makefile.in: Likewise.
2085 * src/filesystem/Makefile.in: Likewise.
2086 * testsuite/Makefile.in: Likewise.
2087
72ebb7e8 20882019-02-26 Jonathan Wakely <jwakely@redhat.com>
2089
a7f2f1b1 2090 PR libstdc++/89477
2091 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
2092 container deduction guides.
2093 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
2094 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
2095 parameters in deduction guides.
2096 * include/bits/stl_multimap.h (multimap): Likewise.
2097 * include/bits/stl_multiset.h (multiset): Likewise.
2098 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
2099 * include/bits/stl_set.h (set): Likewise.
2100 * include/bits/stl_stack.h (stack): Likewise.
2101 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
2102 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
2103 constrain parameters in deduction guides.
2104 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
2105 Likewise.
2106 * testsuite/23_containers/map/cons/deduction.cc: Test additional
2107 deduction cases.
2108 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
2109 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
2110 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
2111 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
2112 Likewise.
2113 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
2114 Likewise.
2115 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
2116
72ebb7e8 2117 PR libstdc++/89416
2118 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
2119 to class template and partial specialization using void_t.
2120 (__is_copy_insertable, __is_move_insertable): Adjust base class.
2121
c9f61a64 21222019-02-24 Jonathan Wakely <jwakely@redhat.com>
2123
2124 PR libstdc++/89416
2125 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
2126 copy and move members public.
2127
61e2d6f7 21282019-02-23 Jonathan Wakely <jwakely@redhat.com>
2129
87798f3f 2130 * include/std/type_traits (__underlying_type_impl): New helper to
2131 make underlying_type SFINAE-friendly.
2132 (underlying_type): Derive from __underlying_type_impl.
2133 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
2134 test.
2135
61e2d6f7 2136 PR libstdc++/89446
2137 * include/bits/char_traits.h (__constant_char_array): Check index is
2138 in range before dereferencing.
2139 (char_traits<char>::compare, char_traits<char>::find)
2140 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
2141 immediately if n is zero.
2142 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
2143 Remove workarounds for PR 67026.
2144 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
2145 New test.
2146 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
2147 New test.
2148
90a443b3 21492019-02-22 Eric Botcazou <ebotcazou@adacore.com>
2150
2151 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
2152 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
2153
98485ce3 21542019-02-22 Jakub Jelinek <jakub@redhat.com>
2155
2156 PR libstdc++/89402
2157 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
2158 type to std::size_t and argument to type to long double.
2159
26b4fc38 21602019-02-22 Eric Botcazou <ebotcazou@adacore.com>
2161
2162 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
2163 * config/abi/post/sparc64-linux-gnu: New directory.
2164 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
2165 * config/abi/post/sparc64-linux-gnu/32: New directory.
2166 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
2167
4f847a8e 21682019-02-21 Jonathan Wakely <jwakely@redhat.com>
2169
2170 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
2171 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
2172 test.
2173
aad651b3 21742019-02-22 Tom Honermann <tom@honermann.net>
2175
2176 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
2177 printers for u8string and u8string_view.
2178
c783b3cc 21792019-02-22 Tom Honermann <tom@honermann.net>
2180
2181 * testsuite/18_support/byte/ops.cc: Validate
2182 std::to_integer<char8_t>, std::to_integer<char16_t>, and
2183 std::to_integer<char32_t>.
2184 * testsuite/18_support/numeric_limits/dr559.cc: Validate
2185 std::numeric_limits<char8_t>.
2186 * testsuite/18_support/numeric_limits/lowest.cc: Validate
2187 std::numeric_limits<char8_t>::lowest().
2188 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
2189 std::numeric_limits<char8_t>::max_digits10.
2190 * testsuite/18_support/type_info/fundamental.cc: Validate
2191 typeinfo for char8_t.
2192 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
2193 std::from_chars with char8_t.
2194 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
2195 Validate explicit instantiation of std::hash<char8_t>.
2196 * testsuite/20_util/is_integral/value.cc: Validate
2197 std::is_integral<char8_t>.
2198 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
2199 Validate std::make_signed<char8_t>.
2200 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
2201 Validate u8string construction from char8_t sources.
2202 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
2203 std::pmr::u8string.
2204 * testsuite/21_strings/basic_string_view/operations/compare/
2205 char/70483.cc: Validate substr operations on u8string_view.
2206 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
2207 the u8string_view typedef is defined.
2208 * testsuite/21_strings/char_traits/requirements/
2209 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
2210 member functions.
2211 * testsuite/21_strings/char_traits/requirements/
2212 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
2213 constexpr member functions.
2214 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
2215 that the u8string typedef is defined.
2216 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
2217 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
2218 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
2219 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
2220 numbers.
2221 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
2222 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
2223 Likewise.
2224 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
2225 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
2226 Validate std::atomic<char8_t>::is_always_lock_free
2227 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
2228 Update line numbers.
2229 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
2230 Likewise.
2231 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
2232 Likewise.
2233 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
2234 Validate std::experimental::pmr::u8string.
2235 * testsuite/experimental/string_view/typedefs.cc: Validate that the
2236 u8string_view typedef is defined.
2237 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
2238 char32_t to the typelists.
2239
ef96a935 22402019-02-22 Tom Honermann <tom@honermann.net>
2241
2242 * include/ext/typelist.h: Constrain a partial specialization of
2243 typelist::detail::append_ to only match chain<T1,T2>.
2244
d373b606 22452019-02-21 Jonathan Wakely <jwakely@redhat.com>
2246
2247 PR libstdc++/89416
2248 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
2249 class template with class. Replace move and copy member types with
2250 member alias templates, so they are only instantiated when needed.
2251 (__is_copy_insertable, __is_move_insertable): Adjust base class.
2252 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
2253 test for C++11/14/17 as well.
2254 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
2255 test.
2256
25395ee8 22572019-02-20 Jakub Jelinek <jakub@redhat.com>
2258
2259 PR libstdc++/89402
2260 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
2261 _GLIBCXX_PURE to the alias declaration.
2262
affcb65b 22632019-02-19 Jonathan Wakely <jwakely@redhat.com>
2264
2265 * testsuite/21_strings/basic_string/literals/types.cc
2266 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
2267 * testsuite/21_strings/basic_string/literals/values.cc
2268 [_GLIBCXX_USE_CHAR8_T]: Likewise.
2269 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
2270 potentially having different type.
2271 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
2272 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
2273 to char.
2274 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
2275 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
2276 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
2277 string literals only using basic character set.
2278 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
2279 u8 literals to char.
2280 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
2281 Test ATOMIC_CHAR8_T_LOCK_FREE.
2282 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
2283 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
2284 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
2285 * testsuite/experimental/string_view/literals/types.cc
2286 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
2287 literal.
2288 * testsuite/experimental/string_view/literals/values.cc
2289 [_GLIBCXX_USE_CHAR8_T]: Likewise.
2290
4acc5060 22912019-02-19 Tom Honermann <tom@honermann.net>
2292
2293 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
2294 from char16_32_t.cc; validates numeric_limits<char8_t>.
2295 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
2296 test cloned from types.cc; validates operator""s for char8_t
2297 returns u8string.
2298 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
2299 test cloned from values.cc; validates construction and comparison
2300 of u8string values.
2301 * testsuite/21_strings/basic_string/requirements/
2302 /explicit_instantiation/char8_t/1.cc: New test cloned from
2303 char16_t/1.cc; validates explicit instantiation of
2304 basic_string<char8_t>.
2305 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
2306 New test cloned from types.cc; validates operator""sv for char8_t
2307 returns u8string_view.
2308 * testsuite/21_strings/basic_string_view/literals/
2309 values-char8_t.cc: New test cloned from values.cc; validates
2310 construction and comparison of u8string_view values.
2311 * testsuite/21_strings/basic_string_view/requirements/
2312 explicit_instantiation/char8_t/1.cc: New test cloned from
2313 char16_t/1.cc; validates explicit instantiation of
2314 basic_string_view<char8_t>.
2315 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
2316 New test cloned from char16_t/65049.cc; validates that
2317 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
2318 * testsuite/21_strings/char_traits/requirements/char8_t/
2319 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
2320 that char_traits<char8_t> member typedefs are present and correct.
2321 * testsuite/21_strings/char_traits/requirements/
2322 explicit_instantiation/char8_t/1.cc: New test cloned from
2323 char16_t/1.cc; validates explicit instantiation of
2324 char_traits<char8_t>.
2325 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
2326 from char16_t.cc: validates
2327 codecvt<char16_t, char8_t, mbstate_t>.
2328 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
2329 from char32_t.cc: validates
2330 codecvt<char32_t, char8_t, mbstate_t>.
2331 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
2332 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
2333 codecvt<char32_t, char8_t, std::mbstate_t>.
2334 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
2335 test cloned from string.cc; validates filesystem::path construction
2336 from char8_t input.
2337 * testsuite/experimental/feat-char8_t.cc: New test; validates that
2338 the __cpp_lib_char8_t feature test macro is defined with the
2339 correct value.
2340 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
2341 New test cloned from string.cc; validates filesystem::path
2342 construction from char8_t input.
2343 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
2344 test cloned from types.cc; validates operator""sv for char8_t
2345 returns u8string_view.
2346 * testsuite/experimental/string_view/literals/values-char8_t.cc:
2347 New test cloned from values.cc; validates construction and
2348 comparison of u8string_view values.
2349 * testsuite/experimental/string_view/requirements/
2350 explicit_instantiation/char8_t/1.cc: New test cloned from
2351 char16_t/1.cc; validates explicit instantiation of
2352 basic_string_view<char8_t>.
2353 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
2354 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
2355 enabled.
2356
25694c85 23572019-02-19 Tom Honermann <tom@honermann.net>
2358
2359 P0482R5 char8_t: Standard library support
2360 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
2361 typeinfo symbols for char8_t.
2362 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
2363 (GLIBCXX_3.4.26): Add symbols for specializations of
2364 numeric_limits and codecvt that involve char8_t.
2365 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
2366 * include/bits/atomic_base.h: Add atomic_char8_t.
2367 * include/bits/basic_string.h: Add std::hash<u8string> and
2368 operator""s(const char8_t*, size_t).
2369 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
2370 __cpp_lib_char8_t.
2371 * include/bits/char_traits.h: Add char_traits<char8_t>.
2372 * include/bits/codecvt.h: Add
2373 codecvt<char16_t, char8_t, mbstate_t>,
2374 codecvt<char32_t, char8_t, mbstate_t>,
2375 codecvt_byname<char16_t, char8_t, mbstate_t>, and
2376 codecvt_byname<char32_t, char8_t, mbstate_t>.
2377 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
2378 recognize char8_t as an integral type.
2379 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
2380 char8_t.
2381 (path::u8string): Return std::u8string when char8_t support is
2382 enabled.
2383 (path::generic_u8string): Likewise.
2384 (path::_S_convert): Handle conversion from char8_t input.
2385 (path::_S_str_convert): Likewise.
2386 * include/bits/functional_hash.h: Add hash<char8_t>.
2387 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
2388 char8_t.
2389 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
2390 for new char8_t specializations.
2391 * include/bits/localefwd.h: Add missing declarations of
2392 codecvt<char16_t, char, mbstate_t> and
2393 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
2394 codecvt<char16_t, char8_t, mbstate_t> and
2395 codecvt<char32_t, char8_t, mbstate_t>.
2396 * include/bits/postypes.h: Add u8streampos
2397 * include/bits/stringfwd.h: Add declarations of
2398 char_traits<char8_t> and u8string.
2399 * include/c_global/cstddef: Add __byte_operand<char8_t>.
2400 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
2401 Recognize char8_t.
2402 (path::u8string): Return std::u8string when char8_t support is
2403 enabled.
2404 (path::generic_u8string): Likewise.
2405 (path::_S_convert): Handle conversion from char8_t input.
2406 (path::_S_str_convert): Likewise.
2407 * include/experimental/string: Add u8string.
2408 * include/experimental/string_view: Add u8string_view,
2409 hash<experimental::u8string_view>, and
2410 operator""sv(const char8_t*, size_t).
2411 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
2412 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
2413 as a character type.
2414 * include/std/limits: Add numeric_limits<char8_t>.
2415 * include/std/string_view: Add u8string_view,
2416 hash<experimental::u8string_view>, and
2417 operator""sv(const char8_t*, size_t).
2418 * include/std/type_traits: Add __is_integral_helper<char8_t>,
2419 __make_unsigned<char8_t>, and __make_signed<char8_t>.
2420 * libsupc++/atomic_lockfree_defines.h: Define
2421 ATOMIC_CHAR8_T_LOCK_FREE.
2422 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
2423 codecvt.cc and limits.cc so that char8_t specializations of
2424 numeric_limits and codecvt and emitted.
2425 * src/c++11/Makefile.in: Likewise.
2426 * src/c++11/codecvt.cc: Define members of
2427 codecvt<char16_t, char8_t, mbstate_t>,
2428 codecvt<char32_t, char8_t, mbstate_t>,
2429 codecvt_byname<char16_t, char8_t, mbstate_t>, and
2430 codecvt_byname<char32_t, char8_t, mbstate_t>.
2431 * src/c++11/limits.cc: Define members of
2432 numeric_limits<char8_t>.
2433 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
2434 locale_init.cc and localename.cc.
2435 * src/c++98/Makefile.in: Likewise.
2436 * src/c++98/locale_init.cc: Add initialization for the
2437 codecvt<char16_t, char8_t, mbstate_t> and
2438 codecvt<char32_t, char8_t, mbstate_t> facets.
2439 * src/c++98/localename.cc: Likewise.
2440 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
2441
140615bb 24422019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
2443
2444 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
2445 * 27_io/filesystem/operations/resize_file.cc: Likewise.
2446 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
2447
c677a9d7 24482019-02-14 Jonathan Wakely <jwakely@redhat.com>
2449
1bbfe9f8 2450 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
2451 * doc/html/*: Regenerate.
2452
b24f00b1 2453 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
2454 * doc/html/*: Regenerate.
2455
a3d1baa9 2456 * doc/xml/manual/intro.xml: Document LWG 2586 status.
2457 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
2458 allocator type in is_constructible checks.
2459 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
2460 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
2461 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
2462 problematic type from LWG 2586 discussion.
2463 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
2464 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
2465
99d130bf 2466 * configure.ac: Check for C11 timespec_get function.
2467 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
2468 (openbsd): Likewise
2469 * config.h.in: Regenerate.
2470 * configure: Regenerate.
2471 * include/c_global/ctime (timespec, timespec_get): Add to namespace
2472 std for C++17 and up.
2473
48772ec3 2474 * doc/xml/manual/intro.xml: Document LWG 2537 status.
2475 * include/bits/stl_queue.h
2476 (priority_queue(const Compare&, const Container&, const Alloc&))
2477 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
2478 make_heap.
2479 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
2480
ee32dd64 2481 * doc/xml/manual/intro.xml: Document LWG 2566 status.
2482 * include/bits/stl_queue.h (queue, priority_queue): Add static
2483 assertions to enforce LWG 2566 requirement on value_type.
2484 * include/bits/stl_stack.h (stack): Likewise.
2485
9724de38 2486 PR middle-end/89303
2487 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
2488
c677a9d7 2489 * doc/xml/manual/intro.xml: Document LWG 2735 status.
2490 * include/bits/std_abs.h: Add comment about LWG 2735.
2491 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
2492
4194f872 24932019-02-13 Jonathan Wakely <jwakely@redhat.com>
2494
2495 PR libstdc++/89345
2496 * include/std/version [__cpp_impl_destroying_delete]
2497 (__cpp_lib_destroying_delete): Only define for C++2a and later.
2498 * libsupc++/new [__cpp_impl_destroying_delete]
2499 (__cpp_lib_destroying_delete): Likewise.
2500 (destroying_delete_t, destroying_delete): Likewise, but define even
2501 when __cpp_impl_destroying_delete is not defined.
2502 * testsuite/18_support/destroying_delete.cc: New test.
2503
aaacaee2 25042019-02-11 Jonathan Wakely <jwakely@redhat.com>
2505
2506 PR libstdc++/89023
2507 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
2508 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
2509 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
2510 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
2511
5256b0dd 25122019-02-09 Jonathan Wakely <jwakely@redhat.com>
2513
2514 PR libstdc++/71044
2515 * include/bits/fs_path.h (path::has_root_name)
2516 (path::has_root_directory, path::has_root_path)
2517 (path::has_relative_path, path::has_parent_path)
2518 (path::has_filename, path::has_stem, path::has_extension)
2519 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
2520 noexcept.
2521 * src/c++17/fs_path.cc (path::has_root_name)
2522 (path::has_root_directory, path::has_root_path)
2523 (path::has_relative_path, path::has_parent_path)
2524 (path::has_filename, path::_M_find_extension): Add noexcept.
2525
e32f625e 25262019-02-06 Jonathan Wakely <jwakely@redhat.com>
2527
2528 PR libstdc++/89102 (partial)
2529 * include/std/type_traits (common_type<>): Define.
2530 (common_type<T>): Derive from common_type<T, T>.
2531 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
2532 Test zero-length template argument list.
2533 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
2534 Test additional single argument cases.
2535 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
2536 Adjust expected error.
2537
b03489db 25382019-02-05 Jonathan Wakely <jwakely@redhat.com>
2539
e89e4fec 2540 PR libstdc++/89128
2541 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
2542 guides.
2543 * include/bits/stl_stack.h (stack): Likewise.
2544 * testsuite/23_containers/priority_queue/deduction.cc: New test.
2545 * testsuite/23_containers/queue/deduction.cc: New test.
2546 * testsuite/23_containers/stack/deduction.cc: New test.
2547
b640dd11 2548 PR libstdc++/89194
2549 * include/std/type_traits (__is_convertible_helper)
2550 (__is_convertible_helper<_From, _To, false>): Revert changes to
2551 support is_nothrow_convertible.
2552 (__is_nt_convertible_helper): New helper.
2553 (is_nothrow_convertible): Use __is_nt_convertible_helper.
2554
74c88c5f 2555 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
2556 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
2557
eca5e8d4 2558 PR libstdc++/89130
2559 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
2560 __is_alloc_insertable_impl. Replace single type member with two
2561 members, one for each of copy and move insertable.
2562 (__is_move_insertable): New trait for internal use.
2563 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
2564 (vector::_S_nothrow_relocate(true_type)): New functions to
2565 conditionally check if __relocate_a can throw.
2566 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
2567 on __is_move_insertable.
2568 (vector::_S_do_relocate): New overloaded functions to conditionally
2569 call __relocate_a.
2570 (vector::_S_relocate): New function that dispatches to _S_do_relocate
2571 based on _S_use_relocate.
2572 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2573 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
2574 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
2575
b03489db 2576 PR libstdc++/89090
2577 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
2578 parameter unnamed. Add message to static assertion.
2579 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2580 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
2581 in C++11 code.
2582
71625a15 25832019-02-05 Marc Glisse <marc.glisse@inria.fr>
2584
2585 PR libstdc++/87106
2586 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
2587 Rename...
2588 (__is_bitwise_relocatable): ... to this.
2589 (__relocate_a_1): Adapt.
2590 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
2591 (__is_bitwise_relocatable): ... to this.
2592
e7b22e58 25932019-01-30 Jonathan Wakely <jwakely@redhat.com>
2594
2595 PR libstdc++/89117
2596 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
2597 final component as well as from _M_pathname. Append the dot using
2598 operator+= instead of only to _M_pathname.
2599 (path::_M_find_extension): Reformat slightly.
2600 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
2601 Add more test cases.
2602
dae923a7 26032019-01-30 Ulrich Drepper <drepper@redhat.com>
2604
2605 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
2606
710397ad 26072019-01-29 Jonathan Wakely <jwakely@redhat.com>
2608
5efc4356 2609 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
2610 constexpr specifiers from arg and proj.
2611
5f15e718 2612 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
2613 __shared_ptr instantiations used by gcc4-compatible ABI.
2614
307e86fc 2615 * include/experimental/forward_list (experimental::erase): Qualify
2616 call to erase_if.
2617 * include/experimental/list (experimental::erase): Likewise.
2618 * include/std/forward_list (std::erase): Likewise.
2619 * include/std/list (std::erase): Likewise.
2620
38129d1a 2621 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
2622 C++2a.
2623 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
2624 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
2625 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
2626 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
2627 * testsuite/ext/array_allocator/26875.cc: Likewise.
2628 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
2629 * testsuite/util/replacement_memory_operators.h: Likewise.
2630 * testsuite/util/testsuite_allocator.h: Likewise.
2631
710397ad 2632 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
2633 normal mode vector, even for debug mode.
2634 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
2635 Define alias template for normal mode vector.
2636
70f71249 26372019-01-28 Jonathan Wakely <jwakely@redhat.com>
2638
2639 PR libstdc++/68737
2640 * config/locale/generic/c_locale.h (__convert_from_v)
2641 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2642 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2643 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
2644 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2645
f1074115 26462019-01-24 Jonathan Wakely <jwakely@redhat.com>
2647
4bc4fd90 2648 PR libstdc++/88840
2649 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
2650 data member with static member function _S_use_relocate().
2651 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2652 (vector::_M_default_append): Use _S_use_relocate() instead of
2653 __use_relocate.
2654
f1074115 2655 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
2656 sign of results.
2657
1c4657a3 26582019-01-22 Jonathan Wakely <jwakely@redhat.com>
2659
2660 PR libstdc++/88740
2661 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
2662 write to stderr instead of using printf.
2663
dafe8c59 26642019-01-21 Jakub Jelinek <jakub@redhat.com>
2665
2666 PR libstdc++/86590
2667 * include/bits/char_traits.h (__constant_string_p,
2668 __constant_char_array_p): Use __builtin_is_constant_evaluated if
2669 available.
2670
eaf966f3 26712019-01-20 Ulrich Drepper <drepper@redhat.com>
2672
2673 Implement C++20 P0600r1.
2674 * include/backward/hash_map: Add nodiscard attribute to empty.
2675 * include/backward/hash_set: Likewise.
2676 * backward/hashtable.h: Likewise.
2677 * include/bits/basic_string.h: Likewise.
2678 * include/bits/forward_list.h: Likewise.
2679 * include/bits/hashtable.h: Likewise.
2680 * include/bits/regex.h: Likewise.
2681 * include/bits/stl_deque.h: Likewise.
2682 * include/bits/stl_list.h: Likewise.
2683 * include/bits/stl_map.h: Likewise.
2684 * include/bits/stl_multimap.h: Likewise.
2685 * include/bits/stl_multiset.h: Likewise.
2686 * include/bits/stl_queue.h: Likewise.
2687 * include/bits/stl_set.h: Likewise.
2688 * include/bits/stl_stack.h: Likewise.
2689 * include/bits/stl_tree.h: Likewise.
2690 * include/bits/stl_vector.h: Likewise.
2691 * include/bits/unordered_map.h: Likewise.
2692 * include/bits/unordered_set.h: Likewise.
2693 * include/debug/array: Likewise.
2694 * include/experimental/any: Likewise.
2695 * include/experimental/bits/fs_path.h: Likewise.
2696 * include/experimental/internet: Likewise.
2697 * include/experimental/string_view: Likewise.
2698 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
2699 Likewise.
2700 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
2701 Likewise.
2702 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
2703 Likewise.
2704 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
2705 Likewise.
2706 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
2707 Likewise.
2708 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
2709 Likewise.
2710 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
2711 Likewise.
2712 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
2713 Likewise.
2714 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2715 info_fn_imps.hpp: Likewise.
2716 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2717 left_child_next_sibling_heap_.hpp: Likewise.
2718 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
2719 Likewise.
2720 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
2721 Likewise.
2722 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
2723 Likewise.
2724 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
2725 Likewise.
2726 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
2727 Likewise.
2728 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
2729 Likewise.
2730 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
2731 Likewise.
2732 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
2733 * include/ext/pb_ds/trie_policy.hpp: Likewise.
2734 * include/ext/rope: Likewise.
2735 * include/ext/slist: Likewise.
2736 * include/ext/vstring.h: Likewise.
2737 * include/profile/array: Likewise.
2738 * include/std/array: Likewise.
2739 * include/tr1/array: Likewise.
2740 * include/tr1/hashtable.h: Likewise.
2741 * include/tr1/regex: Likewise.
2742 * include/tr2/dynamic_bitset: Likewise.
2743 * include/bits/alloc_traits.h: Add nodiscard attribute to
2744 allocate.
2745 * include/experimental/memory_resource: Likewise.
2746 * include/ext/alloc_traits.h: Likewise.
2747 * include/ext/array_allocator.h: Likewise.
2748 * include/ext/bitmap_allocator.h: Likewise.
2749 * include/ext/debug_allocator.h: Likewise.
2750 * include/ext/extptr_allocator.h: Likewise.
2751 * include/ext/mt_allocator.h: Likewise.
2752 * include/ext/new_allocator.h: Likewise.
2753 * include/ext/pool_allocator.h: Likewise.
2754 * include/ext/throw_allocator.h: Likewise.
2755 * include/std/scoped_allocator: Likewise.
2756 * libsupc++/eh_alloc.cc: Likewise.
2757 * include/std/future: Add nodiscard attribute to async.
2758 * libsupc++/new: Add nodiscard attribute to new.
2759
3c1c2a8c 27602019-01-18 Jonathan Wakely <jwakely@redhat.com>
2761
2762 PR libstdc++/87514
2763 PR libstdc++/87520
2764 PR libstdc++/88782
2765 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
2766 * include/bits/shared_ptr.h
2767 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
2768 (allocate_shared): Change to use new tag type.
2769 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
2770 Declare new member function.
2771 (_Sp_alloc_shared_tag): Define new type.
2772 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
2773 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
2774 _Sp_make_shared_tag::_S_eq to check type_info.
2775 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
2776 Constrain to prevent being called with _Sp_alloc_shared_tag.
2777 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
2778 Replace constructor with ...
2779 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
2780 reference parameter so address of the new object can be returned to
2781 the caller. Obtain the allocator from the tag type.
2782 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
2783 constructor with ...
2784 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
2785 to the __shared_count constructor.
2786 (__allocate_shared): Change to use new tag type.
2787 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
2788
21a962b2 27892019-01-17 Jonathan Wakely <jwakely@redhat.com>
2790
464ac146 2791 * src/c++17/fs_ops.cc
2792 (equivalent(const path&, const path&, error_code&))
2793 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
2794 compare files instead of relying on incomplete info returned by stat.
2795
2987a93d 2796 PR libstdc++/88884
2797 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
2798 if the path is already absolute.
2799 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
2800 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
2801
21a962b2 2802 PR libstdc++/88881
2803 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
2804 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
2805 of filesystem::exists.
2806 (create_directories(const path&, error_code&)): Add assertions.
2807 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
2808 Add workaround for bug in _wstat for paths with trailing slash.
2809 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
2810 for expected behaviour on mingw.
2811 * testsuite/experimental/filesystem/operations/create_directories.cc:
2812 Likewise.
2813 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
2814 "TMP" instead of "TMPDIR" and clean environment before each test. Do
2815 not test permissions on mingw targets.
2816
93478c9f 28172019-01-16 Jonathan Wakely <jwakely@redhat.com>
2818
2819 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
2820 constructors and open members taking wide strings. Fix patterns for
2821 filesystem::path members to match wstring_view parameters. Add
2822 exports for shared_ptr members used by directory iterators.
2823 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
2824 error code parameter if the file doesn't exist.
2825 * src/filesystem/ops.cc (remove(const path&, error_code&)):
2826 Likewise.
2827 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
2828 values for mingw targets, where "/" is not an absolute path. Do not
2829 test symlinks on mingw targets.
2830 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
2831 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
2832 on mingw targets.
2833 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
2834 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
2835 that each component of the path is created.
2836 * testsuite/experimental/filesystem/operations/create_directories.cc:
2837 Likewise.
2838 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
2839 permissions on mingw targets.
2840 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
2841 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2842 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
2843 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
2844 mingw targets.
2845 * testsuite/experimental/filesystem/operations/permissions.cc:
2846 Likewise.
2847 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
2848 symlinks or permissions on mingw targets.
2849 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
2850 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
2851 symlinks on mingw targets.
2852 * testsuite/experimental/filesystem/operations/remove_all.cc:
2853 Likewise.
2854 * testsuite/27_io/filesystem/operations/status.cc: Do not test
2855 permissions on mingw targets.
2856 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
2857 test symlinks on mingw targets.
2858 * testsuite/experimental/filesystem/operations/space.cc: Fix test
2859 for mingw targets.
2860
af93b844 28612019-02-14 Ulrich Drepper <drepper@redhat.com>
2862
2863 PR libstdc++/88738
2864 Warn about unused comparisons of shared_ptr/unique_ptr
2865 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
2866 * include/bits/shared_ptr.h: Use it for operator ==, !=,
2867 <, <=, >, >= for shared_ptr.
2868 * include/bits/unique_ptr.h: Likewise for unique_ptr.
2869
8793c0de 28702019-01-15 Jonathan Wakely <jwakely@redhat.com>
2871
afa61572 2872 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
2873 as 201611L, because P0497R0 changes are supported.
2874 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
2875
feb89906 2876 * include/bits/erase_if.h [__cplusplus > 201703L]
2877 (__cpp_lib_erase_if): Only define for C++2a.
2878 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2879 (__cpp_lib_null_iterators): Define.
2880 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2881 (__cpp_lib_null_iterators): Define.
2882 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
2883
d253bcb1 2884 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
2885 status.
2886 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
2887 Define.
2888 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
2889 changes are supported.
2890 * include/std/optional (__cpp_lib_optional): Likewise.
2891 * include/std/variant (__cpp_lib_variant): Likewise.
2892 * include/std/version [!__STRICT_ANSI__]
2893 (__cpp_lib_uncaught_exceptions): Define as long integer.
2894 [__cplusplus >= 201703L] (__cpp_lib_any)
2895 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
2896 (__cpp_lib_variant): Define for C++17.
2897 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
2898 as long integer.
2899 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
2900 integer.
2901
8793c0de 2902 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
2903
a8cd4b2b 29042019-01-12 Jonathan Wakely <jwakely@redhat.com>
2905
2906 PR libstdc++/88811
2907 PR libstdc++/83306
2908 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
2909 before second path.
2910 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
2911 test.
2912
a5b1332c 29132019-01-11 Jonathan Wakely <jwakely@redhat.com>
2914
656ac8b7 2915 * doc/xml/manual/intro.xml: Include new section.
2916 * doc/xml/manual/status_cxx2017.xml: Document more
2917 implementation-defined properties of the library.
2918 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
2919 * doc/html/*: Regenerate.
2920
f5480b8c 2921 * include/bits/refwrap.h [__cplusplus > 201703L]
2922 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
2923 (_Reference_wrapper_base_memfun): Do not define for C++2a.
2924 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
2925 for C++2a.
2926 (reference_wrapper::operator()): Add static assertion.
2927 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
2928
36496c4d 2929 * include/std/chrono (duration_values::zero(), duration_values::min())
2930 (duration_values::max()): Add noexcept.
2931 (duration::zero(), duration::min(), duration::max()): Likewise.
2932 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
2933 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
2934 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
2935
a5b1332c 2936 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
2937
d9de68bc 29382019-01-11 Jakub Jelinek <jakub@redhat.com>
2939
2940 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
2941 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
2942
beb370cb 29432019-01-11 Jonathan Wakely <jwakely@redhat.com>
2944
1d628fd4 2945 PR libstdc++/88802
2946 * include/bits/functional_hash.h (hash<nullptr_t>): Define
2947 specialization for C++17 (P0513R0, LWG 2817).
2948 * testsuite/20_util/hash/nullptr.cc: New test.
2949
a18b3766 2950 PR libstdc++/88125
2951 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
2952 pattern for std::basic_stringbuf::str().
2953
beb370cb 2954 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
2955 basic_ostream::operator<< patterns.
2956
cbbb35ec 29572019-01-10 Jonathan Wakely <jwakely@redhat.com>
2958
1715824b 2959 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
2960 test failures on targets with 32-bit time_t.
2961
f5529091 2962 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
2963 * include/std/deque: Likewise.
2964 * include/std/forward_list: Likewise.
2965 * include/std/list: Likewise.
2966 * include/std/string: Likewise.
2967 * include/std/vector: Likewise.
2968 * include/std/version: Likewise.
2969 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
2970 * testsuite/23_containers/deque/erasure.cc: Likewise.
2971 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
2972 * testsuite/23_containers/list/erasure.cc: Likewise.
2973 * testsuite/23_containers/map/erasure.cc: Likewise.
2974 * testsuite/23_containers/set/erasure.cc: Likewise.
2975 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2976 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
2977 * testsuite/23_containers/vector/erasure.cc: Likewise.
2978
cbbb35ec 2979 * include/experimental/internet [AI_NUMERICSERV]
2980 (resolver_base::numeric_service): Define conditionally.
2981 * testsuite/experimental/net/internet/resolver/base.cc: Test it
2982 conditionally.
2983 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
2984 Likewise.
2985
ac9a8436 29862019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
2987 Jonathan Wakely <jwakely@redhat.com>
2988
2989 Implement LWG 2221
2990 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
2991 (GLIBCXX_3.4.26): Add new exports.
2992 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
2993 correct list of sources.
2994 * include/Makefile.in: Regenerate.
2995 * include/std/ostream (operator<<(nullptr_t)): New member function.
2996 * src/c++17/ostream-inst.cc: New file.
2997 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
2998 test.
2999
5f027941 30002019-01-10 Jonathan Wakely <jwakely@redhat.com>
3001
3002 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
3003 of the source file containing the caller.
3004 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
3005 directories created by test.
3006 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3007 Likewise.
3008 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3009 Likewise.
3010 * testsuite/experimental/filesystem/iterators/
3011 recursive_directory_iterator.cc: Likewise.
3012
3273d2e6 30132019-01-10 Jakub Jelinek <jakub@redhat.com>
3014
3015 PR tree-optimization/88775
3016 * include/bits/stl_function.h (greater<_Tp*>::operator(),
3017 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
3018 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
3019 instead of __builtin_constant_p if available. Don't bother with
3020 the pointer comparison in C++11 and earlier.
3021
f4d3c071 30222019-01-09 Sandra Loosemore <sandra@codesourcery.com>
3023
3024 PR other/16615
3025
3026 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
3027 with "cannot".
3028
8eba10af 30292019-01-09 Jonathan Wakely <jwakely@redhat.com>
3030
6a6ade9f 3031 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
3032 for filesystem::path. Give variables more distinctive names.
3033
41cda271 3034 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
3035 member function to perform non-trivial assignment.
3036 (_Optional_payload_base::_M_move_assign): Likewise.
3037 (_Optional_payload<T, true, false, true>::operator=)
3038 (_Optional_payload<T, true, true, false>::operator=)
3039 (_Optional_payload<T, true, false, false>::operator=): Call
3040 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
3041
8eba10af 3042 PR libstdc++/88204
3043 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
3044 test std::complex<long double> if long double format is IBM128.
3045 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
3046 Likewise.
3047
64a50f48 30482019-01-08 Jonathan Wakely <jwakely@redhat.com>
3049
73f3ad16 3050 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
3051 for old std::unique_ptr layout.
3052 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
3053 to become valueless. Add filesystem::path tests.
3054
58e897da 3055 PR libstdc++/87855
3056 * include/std/optional (_Optional_payload_base): New class template
3057 for common code hoisted from _Optional_payload specializations. Use
3058 a template for the union, to allow a partial specialization for
3059 types with non-trivial destructors. Add constructors for in-place
3060 initialization to the union.
3061 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
3062 to perform non-trivial copy construction, instead of relying on
3063 non-standard copy elision in a delegating constructor.
3064 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
3065 non-trivial move construction.
3066 (_Optional_payload): Derive from _Optional_payload_base and use it
3067 for everything except the non-trivial assignment operators, which are
3068 defined as needed.
3069 (_Optional_payload<false, C, M>): Derive from the specialization
3070 _Optional_payload<true, false, false> and add a destructor.
3071 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
3072 Forward to corresponding members of _Optional_payload.
3073 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
3074 Hoist common members from _Optional_base.
3075 (_Optional_base): Make all members and base class public.
3076 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
3077 _Optional_base_impl.
3078 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
3079 support for new std::optional layout.
3080 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
3081
64a50f48 3082 PR libstdc++/88066
3083 * include/bits/locale_conv.h: Use <> for includes not "".
3084 * include/ext/random: Likewise.
3085 * include/ext/vstring.h: Likewise.
3086
95b40931 30872019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3088
3089 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
3090 (GLIBCXX_3.4.21): Likewise.
3091
fa00ec77 30922019-01-08 Jonathan Wakely <jwakely@redhat.com>
3093
3094 PR libstdc++/88749
3095 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
3096 to match the one that controls whether utimbuf and utime are declared.
3097
3f304b2d 30982019-01-07 Jonathan Wakely <jwakely@redhat.com>
3099
fc6ac813 3100 PR libstdc++/87787
3101 * include/bits/char_traits.h (char_traits::move): Do not pass null
3102 pointers to memmove.
3103 * include/bits/locale_facets.h
3104 (ctype<char>::widen(const char*, const char*, char*)): Do not
3105 pass null pointers to memcpy.
3106 (ctype<char>::narrow(const char*, const char*, char, char*)):
3107 Likewise.
3108 (ctype<char>::do_widen(const char*, const char*, char*)):
3109 Likewise.
3110 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
3111 Likewise.
3112
bbc66c45 3113 * doc/xml/manual/spine.xml: Update copyright years.
3114 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
3115 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
3116 for C++17 filesystem library.
3117 * doc/html/*: Regenerate.
3118
3f304b2d 3119 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
3120 * config.h.in: Regenerate.
3121 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
3122 alphabetically and add missing entries for copy_symlink,
3123 hard_link_count, rename, and resize_file.
3124 * configure: Regenerate.
3125 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
3126 used unconditionally.
3127 * src/filesystem/ops-common.h (__gnu_posix::truncate)
3128 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
3129 supports truncating to zero length.
3130 * testsuite/27_io/filesystem/operations/all.cc: New test.
3131 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
3132
0ebb0980 31332019-01-06 Jonathan Wakely <jwakely@redhat.com>
3134
3935f409 3135 PR libstdc++/86756
3136 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
3137 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
3138 * config.h.in: Regenerate.
3139 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
3140 remaining std::filesystem types and functions.
3141 * configure: Regenerate.
3142 * src/c++17/Makefile.am: Add C++17 filesystem sources.
3143 * src/c++17/Makefile.in: Regenerate.
3144 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
3145 here, and change name of included file.
3146 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
3147 here, and change name of included file.
3148 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
3149 path to dir-common.h.
3150 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
3151 path to ops-common.h. Disable -Wunused-parameter warnings.
3152 (internal_file_clock): Define unconditionally.
3153 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
3154 define.
3155 (do_copy_file, do_space): Move definitions to ops.common.h.
3156 (copy, file_size, hard_link_count, last_write_time, space): Only
3157 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
3158 report an error.
3159 (last_write_time, read_symlink): Remove unused attributes from
3160 parameters.
3161 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
3162 * src/filesystem/Makefile.in: Regenerate.
3163 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
3164 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
3165 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
3166 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
3167 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
3168 dummy types and functions instead of using #error.
3169 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
3170 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
3171 in terms of stat.
3172 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
3173 (do_copy_file, do_space): Move definitions here from std-ops.cc.
3174 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
3175 to account for new namespace.
3176 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
3177 -lstdc++fs from dg-options.
3178 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
3179 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
3180 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
3181 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
3182 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
3183 Likewise.
3184 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
3185 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3186 Likewise.
3187 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
3188 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
3189 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
3190 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3191 * testsuite/27_io/filesystem/operations/create_directories.cc:
3192 Likewise.
3193 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
3194 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
3195 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
3196 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
3197 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
3198 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
3199 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
3200 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
3201 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
3202 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
3203 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
3204 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
3205 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
3206 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
3207 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
3208 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
3209 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
3210 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
3211 Likewise.
3212 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
3213
3214
c6e37a9f 3215 PR libstdc++/86756
3216 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
3217 typeinfo and vtables less greedy.
3218 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
3219 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
3220 * src/c++17/Makefile.in: Regenerate.
3221 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
3222 here, and change name of included file.
3223 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
3224 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
3225 from sources.
3226 * src/filesystem/Makefile.in: Regenerate.
3227 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
3228 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
3229 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
3230 from dg-options and remove dg-require-filesystem-ts.
3231 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
3232 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
3233 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
3234 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
3235 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
3236 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
3237 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
3238 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
3239 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
3240 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
3241 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
3242 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
3243 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
3244 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
3245 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
3246 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
3247 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
3248 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
3249 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
3250 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
3251 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
3252 Likewise.
3253 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
3254 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
3255 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
3256 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
3257 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
3258 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
3259 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
3260 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
3261 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
3262 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
3263 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
3264 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
3265 Likewise.
3266 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
3267 Likewise.
3268 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
3269 Likewise.
3270 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
3271 Likewise.
3272 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
3273 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3274 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
3275 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
3276 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3277 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3278 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3279 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3280 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
3281 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3282 Likewise.
3283 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3284 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3285 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3286 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
3287 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3288
8815ac91 3289 PR libstdc++/87431
3290 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
3291 Check is_trivially_copyable instead of is_scalar.
3292 (variant::emplace<N, Args>(Args&&...)): If construction of the new
3293 contained value can throw and its type is trivially copyable then
3294 construct into a temporary variant and move from it, to provide the
3295 strong exception safety guarantee.
3296 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
3297 Likewise.
3298 * testsuite/20_util/variant/87431.cc: New test.
3299 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
3300 conversion causes valueless state.
3301
0ebb0980 3302 PR libstdc++/88607
3303 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
3304 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
3305 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
3306 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
3307 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
3308
adc6beee 33092019-01-05 Jonathan Wakely <jwakely@redhat.com>
3310
3311 * include/bits/fs_fwd.h (__file_clock): Define new clock.
3312 (file_time_type): Redefine in terms of __file_clock.
3313 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
3314 overflow.
3315 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
3316 internal linkage.
3317 (internal_file_lock): New helper type for accessing __file_clock.
3318 (do_copy_file): Use internal_file_lock to convert system time to
3319 file_time_type.
3320 (last_write_time(const path&, error_code&)): Likewise.
3321 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
3322
6b4a77f2 33232019-01-04 Jonathan Wakely <jwakely@redhat.com>
3324
98185b9f 3325 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
3326 for const member functions of std::basic_string.
3327 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
3328 in C++17.
3329 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
3330 Make non-standard constructor private.
3331 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
3332 Likewise.
3333 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
3334 explicit instantiations for C++17 as well as earlier dialects.
3335 * src/c++17/Makefile.am: Add new source files.
3336 * src/c++17/Makefile.in: Regenerate.
3337 * src/c++17/cow-string-inst.cc: New file defining explicit
3338 instantiations for basic_string member functions added in C++17.
3339 * src/c++17/string-inst.cc: Likewise.
3340
859e6fed 3341 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
3342 copy/move constructors for old std::basic_string.
3343 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3344 (basic_string::reference, basic_string::const_reference): Define
3345 as plain references for C++11 and later.
3346 (basic_string::basic_string()): Put constructor body outside
3347 preprocessor conditional groups.
3348 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
3349 instead of copying it.
3350 (basic_string::basic_string(const basic_string&, const _Alloc&)):
3351 Define.
3352 (basic_string::basic_string(basic_string&&, const _Alloc&)):
3353 Define.
3354 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
3355 cases for old basic_string.
3356 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
3357 allocator-extended constructors unconditionally. Add extra members to
3358 allocator type when using old string ABI.
3359 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
3360 for old string ABI.
3361 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
3362
e13f6a7f 3363 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
3364 -fno-inline added to test flags.
3365
a18fccd0 3366 * testsuite/21_strings/basic_string/requirements/
3367 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
3368
7f77ca07 3369 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
3370 assertion failures with old std::string ABI.
3371
9346fb0e 3372 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
3373 with ...
3374 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
3375 functions that will only erase elements at the end.
3376 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
3377 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
3378 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
3379 of erase(p, end()).
3380 (path::_List::pop_back()): Define.
3381 (path::_List::_M_erase_from(const_iterator)): Define.
3382 (path::operator/=(const path&)): Use pop_back to remove last component
3383 and _M_erase_from to remove multiple components.
3384 (path::_M_append(basic_string_view<value_type>)): Likewise.
3385 (path::operator+=(const path&)): Likewise.
3386 (path::_M_concat(basic_string_view<value_type>)): Likewise.
3387 (path::remove_filename()): Likewise.
3388 (path::lexically_normal()): Use _List::_Impl iterators instead of
3389 path::iterator. Use pop_back to remove components from the end. Clear
3390 trailing filename, instead of using erase(const_iterator) to remove
3391 a non-final component.
3392 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
3393 additional cases.
3394 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
3395
24230cab 3396 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
3397 incorrect treatment of empty filename after trailing slash.
3398 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
3399
6b4a77f2 3400 * testsuite/21_strings/basic_string/modifiers/assign/char/
3401 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
3402 to test flags.
3403 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
3404 move_assign_optim.cc: Likewise.
3405
02df5941 34062019-01-03 Jonathan Wakely <jwakely@redhat.com>
3407 Jakub Jelinek <jakub@redhat.com>
3408
3409 PR libstdc++/88607
3410 * include/experimental/memory: Replace UTF-8 quote characters.
3411 * include/std/future: Replace UTF-8 "em dash" characters.
3412
f8ad40d8 34132019-01-03 Jonathan Wakely <jwakely@redhat.com>
3414
9013258b 3415 PR libstdc++/88607
3416 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
3417 * include/debug/forward_list: Likewise.
3418 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
3419 character.
3420 * include/experimental/chrono: Likewise.
3421 * include/experimental/functional: Likewise.
3422 * include/experimental/ratio: Likewise.
3423 * include/experimental/system_error: Likewise.
3424 * include/experimental/tuple: Likewise.
3425 * include/experimental/type_traits: Likewise.
3426 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
3427 * include/parallel/multiseq_selection.h: Likewise.
3428
f8ad40d8 3429 PR libstdc++/88681
3430 * config/abi/pre/gnu.ver: Add missing exports.
3431 * testsuite/22_locale/collate_byname/88681.cc: New test.
3432 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
3433 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
3434
138292f4 34352019-01-02 Jonathan Wakely <jwakely@redhat.com>
3436
553d41a8 3437 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
3438 initializer_list<value_type> and from input iterator ranges.
3439 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
3440
138292f4 3441 * testsuite/experimental/string_view/element_access/char/empty.cc:
3442 Fix year range in copyright header.
3443
963c0125 34442019-01-02 Joel Brobecker <brobecker@adacore.com>
3445
3446 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
3447 Fix year range in copyright header.
3448
fbd26352 34492019-01-01 Jakub Jelinek <jakub@redhat.com>
d353bf18 3450
3451 Update copyright years.
fb96fbb3 3452\f
fbd26352 3453Copyright (C) 2019 Free Software Foundation, Inc.
fb96fbb3 3454
3455Copying and distribution of this file, with or without modification,
3456are permitted in any medium without royalty provided the copyright
3457notice and this notice are preserved.