1 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
3 Test for C++20 p0858 - ConstexprIterator requirements.
4 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
6 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
9 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
11 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
13 * include/bits/c++config: Rename all macros of the form __PSTL* to
15 * include/std/algorithm: Likewise.
16 * include/std/execution: Likewise.
17 * include/std/numeric: Likewise.
18 * include/std/memory: Likewise.
19 * include/pstl/glue_memory_impl.h: Likewise.
20 * include/pstl/numeric_impl.h: Likewise.
21 * include/pstl/glue_memory_defs.h: Likewise.
22 * include/pstl/execution_defs.h: Likewise.
23 * include/pstl/utils.h: Likewise.
24 * include/pstl/algorithm_fwd.h: Likewise.
25 * include/pstl/unseq_backend_simd.h: Likewise.
26 * include/pstl/glue_execution_defs.h: Likewise.
27 * include/pstl/algorithm_impl.h: Likewise.
28 * include/pstl/parallel_impl.h: Likewise.
29 * include/pstl/memory_impl.h: Likewise.
30 * include/pstl/glue_numeric_defs.h: Likewise.
31 * include/pstl/parallel_backend_utils.h: Likewise.
32 * include/pstl/glue_algorithm_defs.h: Likewise.
33 * include/pstl/parallel_backend.h: Likewise.
34 * include/pstl/glue_numeric_impl.h: Likewise.
35 * include/pstl/parallel_backend_tbb.h: Likewise.
36 * include/pstl/numeric_fwd.h: Likewise.
37 * include/pstl/glue_algorithm_impl.h: Likewise.
38 * include/pstl/execution_impl.h: Likewise.
39 * include/pstl/pstl_config.h: Likewise.
40 * testsuite/util/pstl/pstl_test_config.h: Likewise.
41 * testsuite/util/pstl/test_utils.h: Likewise.
42 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
44 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
46 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
48 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
49 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
50 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
51 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
52 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
54 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
55 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
56 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
57 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
58 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
60 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
61 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
62 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
63 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
64 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
66 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
67 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
68 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
70 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
72 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
73 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
74 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
76 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
78 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
80 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
82 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
84 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
86 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
88 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
90 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
92 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
94 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
96 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
98 Rename header guards to be consistent with upstream project's
100 * include/pstl/glue_memory_impl.h: Rename all macros of the form
101 _PSTL_(.*)_H to _PSTL_\U\1_H.
102 * include/pstl/numeric_impl.h: Likewise.
103 * include/pstl/glue_memory_defs.h: Likewise.
104 * include/pstl/execution_defs.h: Likewise.
105 * include/pstl/utils.h: Likewise.
106 * include/pstl/algorithm_fwd.h: Likewise.
107 * include/pstl/unseq_backend_simd.h: Likewise.
108 * include/pstl/glue_execution_defs.h: Likewise.
109 * include/pstl/algorithm_impl.h: Likewise.
110 * include/pstl/parallel_impl.h: Likewise.
111 * include/pstl/memory_impl.h: Likewise.
112 * include/pstl/glue_numeric_defs.h: Likewise.
113 * include/pstl/parallel_backend_utils.h: Likewise.
114 * include/pstl/glue_algorithm_defs.h: Likewise.
115 * include/pstl/parallel_backend.h: Likewise.
116 * include/pstl/glue_numeric_impl.h: Likewise.
117 * include/pstl/parallel_backend_tbb.h: Likewise.
118 * include/pstl/numeric_fwd.h: Likewise.
119 * include/pstl/glue_algorithm_impl.h: Likewise.
120 * include/pstl/execution_impl.h: Likewise.
121 * include/pstl/pstl_config.h: Likewise.
122 * testsuite/util/pstl/pstl_test_config.h: Likewise.
124 Synchronize libstdc++ parallel algorithms with upstream
126 * include/pstl/algorithm_fwd.h: Synchronize with
127 upstream PSTL project.
128 * include/pstl/algorithm_impl.h: Likewise.
129 * include/pstl/execution_defs.h: Likewise.
130 * include/pstl/execution_impl.h: Likewise.
131 * include/pstl/glue_algorithm_impl.h: Likewise.
132 * include/pstl/glue_execution_defs.h: Likewise.
133 * include/pstl/numeric_fwd.h: Likewise.
134 * include/pstl/numeric_impl.h: Likewise.
135 * include/pstl/parallel_backend.h: Likewise.
136 * include/pstl/pstl_config.h: Likewise.
137 * include/pstl/unseq_backend_simd.h: Likewise.
138 * include/pstl/parallel_backend_serial.h: New file.
139 * include/Makefile.am (pstl_headers): Add
140 parallel_backend_serial.h.
141 * include/Makefile.in: Regenerate.
143 Clean up non-conforming names
144 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
145 Uglfiy copy_range1 and copy_range2
146 (__pattern_walk2_n): Rename local n to __n
147 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
148 Rename parameter _T to _Tp.
150 Integrate non-TBB serial backend support
151 * include/bits/c++config: Adjust TBB detection logic to select serial
152 PSTL backend if no TBB present.
153 * testsuite/utils/pstl/test_utils.h: Remove check for
154 _PSTL_USE_PAR_POLICIES
156 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
158 * testsuite/24_iterators/container_access.cc: Move dg-options before
159 dg-do directive so the target check uses the -std option.
162 * configure: Regenerate.
163 * src/Makefile.am (stamp-debug): Also test for missing makefile.
164 * src/Makefile.in: Regenerate.
166 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
168 * include/std/array: Do not include <stdexcept>.
169 * include/std/optional: Include <exception> and
170 <bits/exception_defines.h> instead of <stdexcept>.
171 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
173 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
175 * testsuite/23_containers/map/erasure.cc: Include <string>.
176 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
178 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
179 dg-prune-output for different C++98 diagnostic.
180 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
182 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
184 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
186 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
188 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
190 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
192 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
194 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
196 * testsuite/23_containers/vector/requirements/dr438/
197 constructor_1_neg.cc: Likewise.
198 * testsuite/23_containers/vector/requirements/dr438/
199 constructor_2_neg.cc: Likewise.
200 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
202 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
204 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
205 Do not test allocator rebinding extension for C++2a.
206 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
207 dg-do directive for C++17 and C++2a.
209 * testsuite/23_containers/deque/requirements/explicit_instantiation/
210 1_c++0x.cc: Remove redundant test.
211 * testsuite/23_containers/deque/requirements/explicit_instantiation/
212 2.cc: Use target selector instead of preprocessor condition.
213 * testsuite/23_containers/deque/requirements/explicit_instantiation/
214 3.cc: Do not run test for C++2a.
215 * testsuite/23_containers/forward_list/requirements/
216 explicit_instantiation/3.cc: Likewise.
217 * testsuite/23_containers/forward_list/requirements/
218 explicit_instantiation/5.cc: Do not test allocator rebinding extension
220 * testsuite/23_containers/list/requirements/explicit_instantiation/
221 1_c++0x.cc: Remove redundant test.
222 * testsuite/23_containers/list/requirements/explicit_instantiation/
223 2.cc: Use target selector instead of preprocessor condition.
224 * testsuite/23_containers/list/requirements/explicit_instantiation/
225 3.cc: Do not run test for C++2a.
226 * testsuite/23_containers/list/requirements/explicit_instantiation/
227 5.cc: Do not test allocator rebinding extension for C++2a.
228 * testsuite/23_containers/map/requirements/explicit_instantiation/
229 1_c++0x.cc: Remove redundant test.
230 * testsuite/23_containers/map/requirements/explicit_instantiation/
231 2.cc: Adjust comment.
232 * testsuite/23_containers/map/requirements/explicit_instantiation/
233 3.cc: Do not run test for C++2a.
234 * testsuite/23_containers/map/requirements/explicit_instantiation/
235 5.cc: Do not test allocator rebinding extension for C++2a.
236 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
237 1_c++0x.cc: Remove redundant test.
238 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
239 3.cc: Do not run test for C++2a.
240 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
241 5.cc: Do not test allocator rebinding extension for C++2a.
242 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
243 3.cc: Do not run test for C++2a.
244 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
245 5.cc: Do not test allocator rebinding extension for C++2a.
246 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
247 Do not run test for C++2a.
248 * testsuite/23_containers/set/requirements/explicit_instantiation/
249 1_c++0x.cc: Remove redundant test.
250 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
251 Do not test allocator rebinding extension for C++2a.
252 * testsuite/23_containers/unordered_map/requirements/
253 explicit_instantiation/3.cc: Likewise.
254 * testsuite/23_containers/unordered_map/requirements/
255 explicit_instantiation/5.cc: Do not test allocator rebinding extension
257 * testsuite/23_containers/unordered_multimap/requirements/
258 explicit_instantiation/3.cc: Do not run test for C++2a.
259 * testsuite/23_containers/unordered_multimap/requirements/
260 explicit_instantiation/5.cc: Do not test allocator rebinding extension
262 * testsuite/23_containers/unordered_multiset/requirements/
263 explicit_instantiation/3.cc: Do not run test for C++2a.
264 * testsuite/23_containers/unordered_multiset/requirements/
265 explicit_instantiation/5.cc: Do not test allocator rebinding extension
267 * testsuite/23_containers/unordered_set/requirements/
268 explicit_instantiation/3.cc: Do not run test for C++2a.
269 * testsuite/23_containers/unordered_set/requirements/
270 explicit_instantiation/5.cc: Do not test allocator rebinding extension
272 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
273 2.cc: Remove redundant test.
274 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
275 3.cc: Do not run test for C++2a.
276 * testsuite/23_containers/vector/requirements/explicit_instantiation/
279 * include/std/type_traits (is_empty, is_polymorphic, is_final)
280 (is_abstract, is_aggregate): Remove static_assert.
281 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
283 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
284 missing -std=gnu++17 option.
285 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
286 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
287 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
290 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
291 * testsuite/18_support/set_unexpected.cc: Likewise.
292 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
294 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
295 function to be valid in C++11.
296 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
297 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
298 include Library Fundamentals or Networking headers in C++11 mode.
299 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
301 * include/std/tuple (_TC): Replace with _TupleConstraints.
302 (_TupleConstraints): New helper for SFINAE constraints, with more
303 expressive member functions to reduce duplication when used.
304 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
305 (tuple::_TCC): Replace dummy type parameter with bool non-type
306 parameter that can be used to check the pack size.
307 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
308 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
309 checking constraints in constructors.
310 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
312 (tuple::tuple): Use new helpers to reduce repitition in constraints.
313 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
314 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
315 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
316 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
317 constraints in constructors.
318 (tuple::__is_alloc_arg()): New SFINAE helpers.
319 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
321 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
322 * testsuite/20_util/tuple/cons/90700.cc: New test.
323 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
324 to meet new constraint on allocator-extended default constructor.
326 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
328 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
329 * include/bits/stl_multimap.h (multimap): Likewise.
331 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
333 Rename variables and cleanup comments.
334 * include/bits/hashtable_policy.h
335 * include/bits/hashtable.h
337 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
339 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
340 Fix bgcolor for P0340R3.
341 * doc/html/*: Regenerate.
344 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
345 <experimental/memory_resource>.
346 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
347 P0339R6, P0340R3, P1164R1 and P1357R1.
348 * doc/html/*: Regenerate.
350 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
351 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
352 allocator::value_type assertion for C++2a.
353 * include/bits/hashtable.h: Likewise.
354 * include/bits/stl_deque.h: Likewise.
355 * include/bits/stl_list.h: Likewise.
356 * include/bits/stl_map.h: Likewise.
357 * include/bits/stl_multimap.h: Likewise.
358 * include/bits/stl_multiset.h: Likewise.
359 * include/bits/stl_set.h: Likewise.
360 * include/bits/stl_vector.h: Likewise.
361 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
362 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
363 * testsuite/23_containers/list/48101-3_neg.cc: New test.
364 * testsuite/23_containers/map/48101-3_neg.cc: New test.
365 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
366 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
367 * testsuite/23_containers/set/48101-3_neg.cc: New test.
368 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
369 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
370 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
371 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
372 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
374 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
376 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
378 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
380 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
382 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
384 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
386 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
388 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
391 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
392 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
393 * libsupc++/eh_term_handler.h: New header defining
394 _GLIBCXX_DEFAULT_TERM_HANDLER.
395 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
396 (set_terminate): Restore default handler when argument is null.
397 (set_unexpected): Likewise.
398 * testsuite/18_support/set_terminate.cc: New test.
399 * testsuite/18_support/set_unexpected.cc: New test.
401 * include/backward/hashtable.h (size_t, ptrdiff_t)
402 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
403 (distance, vector, pair, __iterator_category): Remove
404 using-declarations that add these names to namespace __gnu_cxx.
405 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
406 * include/ext/debug_allocator.h (size_t): Likewise.
407 * include/ext/functional (size_t, unary_function, binary_function)
408 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
410 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
411 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
412 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
413 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
414 * include/ext/numeric (iota): Fix outdated comment.
415 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
416 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
417 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
418 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
419 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
421 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
422 (allocator, __true_type, __false_type): Likewise.
424 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
427 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
428 New helpers for checking preconditions in traits.
429 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
430 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
431 (is_destructible, is_nothrow_destructible, is_constructible)
432 (is_default_constructible, is_copy_constructible)
433 (is_move_constructible, is_nothrow_default_constructible)
434 (is_nothrow_constructible, is_nothrow_copy_constructible)
435 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
436 (is_nothrow_assignable, is_nothrow_copy_assignable)
437 (is_nothrow_move_assignable, is_trivially_constructible)
438 (is_trivially_copy_constructible, is_trivially_move_constructible)
439 is_trivially_assignable, is_trivially_copy_assignable)
440 (is_trivially_move_assignable, is_trivially_destructible)
441 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
442 (is_invocable_r, is_nothrow_invocable)
443 (has_unique_object_representations, is_aggregate): Add static_asserts
444 to make sure that type traits are not misused with incomplete types.
445 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
446 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
447 base characteristics without assertions that can be reused in other
449 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
450 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
452 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
453 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
454 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
455 * testsuite/20_util/is_class/value.cc: Check incomplete type.
456 * testsuite/20_util/is_function/value.cc: Likewise.
457 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
458 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
460 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
461 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
462 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
463 * testsuite/20_util/is_union/value.cc: Likewise.
464 * testsuite/20_util/is_void/value.cc: Likewise.
465 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
467 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
469 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
470 Add new private member function.
471 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
472 (random_device::_M_init_pretr1(const string&)): Call new private
473 member with string data.
474 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
476 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
477 test using COW strings.
478 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
479 a value from the device.
480 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
481 Fix typo in token string.
483 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
485 LWG2788 basic_string spurious use of a default constructible allocator
486 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
487 (basic_string::_M_replace_dispatch): Construct temporary string with
488 the current allocator.
489 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
490 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
492 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
494 * doc/xml/manual/diagnostics.xml: Update list of headers that define
496 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
497 section about new/delete overloads. Improve section on verbose
499 * doc/html/*: Regenerate.
501 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
502 P0811R3. Change status of P1353R0.
503 * doc/html/*: Regenerate.
505 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
506 documentation of implementation-defined types for [thread.req.native].
507 * doc/xml/manual/status_cxx2017.xml: Update documentation of
508 implementation-defined strings for [variant.bad.access]. Fix typo in
509 documentation of implementation-defined support for [fs.conform.9945].
510 * doc/html/*: Regenerate.
512 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
515 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
516 that fails on mingw-w64.
519 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
520 (status(const path&, error_code&)): Use parent_path() to remove
522 (symlink_status(const path&, error_code&)): Duplicate workaround for
523 bug in _wstat for paths with trailing slash.
524 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
526 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
527 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
529 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
530 once instead of building it iteratively.
532 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
534 PR libstdc++/85494 use rdseed and rand_s in std::random_device
535 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
536 the assembler supports rdseed.
537 * config.h.in: Regenerate.
538 * configure: Regenerate.
539 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
540 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
541 * doc/html/*: Regenerate.
542 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
543 * include/bits/random.h (random_device::random_device()): Always call
544 _M_init rather than _M_init_pretr1.
545 (random_device::random_device(const string&)): Likewise.
546 (random_device::operator()()): Always call _M_getval().
547 (random_device::_M_file): Replace first member of union with an
548 anonymous struct, with _M_file as its first member.
549 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
550 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
551 (USE_MT19937): Define if none of the above are defined.
552 (USE_POSIX_FILE_IO): Define.
553 (_M_strtoul): Remove.
554 [USE_RDSEED] (__x86_rdseed): Define new function.
555 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
556 (random_device::_M_init(const string&)): Initialize new union members.
557 Add support for "rdseed" and "rand_s" tokens. Decide what the
558 "default" token does according to which USE_* macros are defined.
559 [USE_POSIX_FILE_IO]: Store a file descriptor.
560 [USE_MT19937]: Forward to _M_init_pretr1 instead.
561 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
562 code from _M_strtoul.
563 [!USE_MT19937]: Call _M_init, transforming the old default token or
564 numeric tokens to "default".
565 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
566 (random_device::_M_getval()): Use new union members to obtain a
567 random number from the stored function pointer or file descriptor.
568 [USE_MT19937]: Obtain a value from the mt19937 engine.
569 (random_device::_M_getval_pretr1()): Call _M_getval().
570 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
572 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
573 * testsuite/26_numerics/random/random_device/85494.cc: New test.
575 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
578 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
579 _M_split_cmpts() for a path with multiple components.
580 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
581 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
582 components and reserve space in vector. Return early when there is
584 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
585 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
587 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
588 form of std::equals for C++11 compatibility.
590 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
592 * doc/xml/manual/appendix_contributing.xml: Update pointer to
593 C++ standard at ansi.org.
595 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
597 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
598 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
601 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
602 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
604 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
606 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
608 * testsuite/20_util/function_objects/invoke/3.cc: New test.
609 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
610 "compile" test to "run".
612 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
613 * doc/html/*: Regenerate.
614 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
615 rvalue aliasing constructor.
616 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
617 (reinterpret_pointer_cast): Add overloads taking rvalues.
618 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
619 Add rvalue aliasing constructor.
620 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
621 "run" and check return values as well as types.
622 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
623 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
624 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
625 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
628 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
629 * doc/xml/manual/intro.xml: Likewise.
630 * include/std/future (__create_task_state): Add default arguments
631 to make providing an allocator optional.
632 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
633 instead of delegating to another constructor.
634 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
635 define allocator-extended constructors for C++17 and later.
636 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
638 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
639 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
640 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
642 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
644 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
645 Don't run the libstdc++/83237 part on simulator targets.
647 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
649 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
651 * doc/html/*: Regenerate.
653 * include/experimental/any (__any_caster): Use RTTI if comparing
654 addresses fails, to support non-unique addresses in shared libraries.
655 * include/std/any (__any_caster): Likewise.
658 * include/experimental/any (__any_caster): Constrain to only be
659 callable for object types. Use remove_cv_t instead of decay_t.
660 If the type decays or isn't copy constructible, compare the manager
661 function to a dummy specialization.
662 (__any_caster): Add overload constrained for non-object types.
663 (any::_Manager_internal<_Op>): Add dummy specialization.
664 * testsuite/experimental/any/misc/any_cast.cc: Test function types
667 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
670 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
671 reversed arguments to uninitialized_copy_n.
672 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
673 is unchanged by copy assignment.
674 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
675 compare path components.
678 * include/experimental/memory_resource: Add system header pragma and
679 do not define anything unless compiled as C++14 or later.
680 (__resource_adaptor_common::__guaranteed_alignment): Remove.
681 (__resource_adaptor_imp::do_allocate): If the requested alignment
682 is a fundamental alignment then either allocate directly from _M_alloc
683 or call the new _M_allocate function.
684 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
685 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
686 of the allocator rebound to a POD type with the specified alignment.
687 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
688 * testsuite/experimental/memory_resource/new_delete_resource.cc:
689 Adjust expected allocation sizes.
690 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
691 xfail for Solaris x86.
693 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
695 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
696 * include/pstl/execution_defs.h (__enable_if_execution_policy):
697 Use std::__remove_cvref_t when building with GCC.
699 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
702 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
703 Use "additional_flags" to pass -ltbb to v3_target_compile command.
704 Use check_v3_target_prop_cached to cache the result of the test.
706 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
708 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
711 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
712 Changed v3_target_compile check from preprocess to executable.
713 Added "-ltbb" to v3_target_compile flags.
715 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
717 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
718 Add check for Thread Building Blocks 2018 or later.
720 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
722 * testsuite/experimental/names.cc: Only include Networking TS headers
723 on targets with the necessary Gthreads support.
725 2019-05-20 Marek Polacek <polacek@redhat.com>
727 CWG 2094 - volatile scalars are trivially copyable.
729 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
730 result for volatile int.
732 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
734 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
735 * testsuite/experimental/names.cc: Include <experimental/filesystem>
738 PR c++/90532 Ensure __is_constructible(T[]) is false
739 * include/std/type_traits (__do_is_default_constructible_impl)
740 (__is_default_constructible_atom, __is_default_constructible_safe):
742 (is_default_constructible): Use is_constructible.
743 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
744 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
745 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
746 * testsuite/20_util/is_trivially_default_constructible/value.cc:
749 2019-05-20 Pádraig Brady <pbrady@fb.com>
751 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
752 to the deallocator with -fsized-deallocation.
754 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
756 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
757 test by passing correct alignment to deallocate function.
759 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
762 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
763 Raise exception if unique_ptr tuple member has unknown structure.
764 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
765 Adjust worker to support new __uniq_ptr_data base class. Do not
766 assume field called _M_head_impl is the first tuple element.
768 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
770 * include/bits/stl_deque.h
771 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
772 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
773 (_Deque_base::_Deque_impl_data): New.
774 (_Deque_base::_Deque_impl): Inherit latter.
775 (_Deque_base::_Deque_impl::_M_swap_data): Move...
776 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
777 (_Deque_base::_Deque_impl()): Add noexcept qualification.
778 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
779 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
780 (deque<>::deque()): Default.
781 (deque<>::deque(deque&&)): Default.
782 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
783 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
784 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
785 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
787 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
788 (deque<>::resize(size_type, const value_type&)): Share a single
790 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
792 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
793 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
794 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
795 * testsuite/23_containers/deque/allocator/default_init.cc: New.
797 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
800 * include/std/variant (holds_alternative, get, get_if): Improve
801 static assertion messages.
802 (bad_variant_access::bad_variant_access()): Change default message.
803 (__throw_bad_variant_access(bool)): New overload.
804 (get): Use new overload.
805 (visit, visit<R>): Improve exception message.
807 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
808 targets. Add more cases from P0608R3.
809 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
811 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
812 * include/experimental/type_traits (is_detected_exact)
813 (is_detected_exact_v): Likewise.
814 * include/pstl/execution_defs.h (is_execution_policy)
815 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
816 * include/pstl/execution_impl.h (__policy_traits): Likewise.
817 * testsuite/17_intro/names.cc: Check for more non-reserved names.
818 * testsuite/experimental/names.cc: New test.
821 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
822 assertions from the destructor.
823 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
824 Move static_assert for hash function to here.
825 (_Hash_table_base::_M_equals): Move static_assert for equality
827 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
829 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
830 the value directly instead of calling _S_value.
831 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
832 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
833 _S_key(_Const_Link_type).
834 * testsuite/23_containers/set/85965.cc: Check construction,
835 destruction, assignment and size() do not trigger the assertions.
836 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
837 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
839 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
840 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
841 * testsuite/23_containers/set/48101_neg.cc: Likewise.
842 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
843 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
844 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
845 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
847 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
848 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
851 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
853 * doc/html/*: Regenerate.
854 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
855 of decay_t (P0777R1).
857 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
859 Move from state of allocators (LWG2593)
860 * include/bits/stl_deque.h
861 (_Deque_base(_Deque_base&&, false_type)): Remove.
862 (_Deque_base(_Deque_base&&, true_type)): Remove.
863 (_Deque_base(_Deque_base&&)): Adapt.
864 (_Deque_base::_M_move_impl()): Remove.
865 * testsuite/util/testsuite_allocator.h
866 (propagating_allocator(propagating_allocator&&)): Preserve move from
868 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
870 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
872 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
873 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
874 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
876 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
878 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
879 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
881 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
883 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
885 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
887 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
889 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
891 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
893 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
896 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
898 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
899 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
901 * include/std/variant (__overload_set): Remove.
903 (_Build_FUN): New class template to define a single FUN overload,
904 with specializations to prevent unwanted conversions, as per P0608R3.
905 (_Build_FUNs): New class template to build an overload set of FUN.
906 (_FUN_type): New alias template to perform overload resolution.
907 (__accepted_type): Use integer_constant base for failure case. Use
908 _FUN_type for successful case.
909 (variant::__accepted_index): Use _Tp instead of _Tp&&.
910 (variant::variant(_Tp&&)): Likewise.
911 (variant::operator=(_Tp&&)): Likewise.
913 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
914 Replace raw visitation with a runtime check for the valueless state
915 and a non-raw visitor.
916 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
917 (variant::index()): Remove branch.
918 (variant::swap(variant&)): Use valueless_by_exception() instead of
919 comparing the index to variant_npos, and add likelihood attribute.
921 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
922 (_Hashtable_base::_Equal_hash_code): Define new class template.
923 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
926 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
927 Replace with _M_get non-static member function.
928 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
930 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
931 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
933 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
934 _S_get accessors for members in EBO helpers.
935 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
936 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
938 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
940 (_Hashtable_base::_M_eq()): Remove non-const overload.
942 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
944 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
946 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
948 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
951 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
953 * config/os/solaris/solaris2.10: Move to ...
954 * config/os/solaris: ... this.
955 * configure.host (os_include_dir): Adapt.
956 (abi_baseline_pair): Remove Solaris 10 handling.
957 * config/abi/post/i386-solaris2.10: Remove.
958 * config/abi/post/sparc-solaris2.10: Remove.
959 * config/abi/post/i386-solaris2.11: Rename to ...
960 * config/abi/post/i386-solaris: ... this.
961 * config/abi/post/sparc-solaris2.11: Rename to ...
962 * config/abi/post/sparc-solaris: ... this.
964 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
967 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
970 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
972 * include/std/variant (__visit_with_index): Remove typedef.
973 (__deduce_visit_result): New tag type.
974 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
975 visitation of possibly-valueless variants, forwarding to __do_visit
976 with the relevant tag type.
977 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
978 and make lambda return void.
979 (__variant_construct): Likewise.
980 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
981 __raw_idx_visit and make lambda return void.
982 (_Multi_array::__untag_result): Add metafunction to check the function
983 pointer type for a tag type that dictates the kind of visitation.
984 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
985 Use decltype(auto) instead of tagged function pointer type.
986 (__gen_vtable_impl): Remove bool non-type parameter and unused
987 _Variant_tuple parameter.
988 (__gen_vtable_impl::__visit_invoke_impl): Remove.
989 (__gen_vtable_impl::__do_visit_invoke): Remove.
990 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
991 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
992 for the visit<R> case, rather than dispatching to separate functions.
993 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
995 (variant::swap): Likewise.
996 (__do_visit): Replace two non-type template parameters with a single
997 type parameter, so that the caller must specify the visitor's return
998 type (or one of the tag types).
999 (visit): Deduce a return type from the visitor and use the
1000 __deduce_visit_result tag to enforce that all overloads return the
1002 (visit<R>): Call __do_visit<R> with explicit result type.
1003 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
1006 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1008 nonesuch is insufficiently useless (lwg2996)
1009 * include/std/type_traits (struct __nonesuch): Added private base
1010 class to make __nonesuch not an aggregate and removed deleted default
1012 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
1013 (operator=(const pair&)): Use __nonesuch instead of
1014 __nonesuch_no_braces.
1015 (operator=(pair&&)): Likewise
1016 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
1017 of __nonesuch_no_braces.
1018 (operator=(tuple&&)): Likewise
1019 * include/experimental/type_traits (struct nonesuch): Added private
1020 base class to make nonesuch not an aggregate and removed deleted
1021 default constructor.
1022 * testsuite/20_util/nonesuch/nonesuch.cc: New.
1023 * testsuite/experimental/type_traits/nonesuch.cc: New.
1025 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1027 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
1028 (_Function_handler): Remove partial specializations for void return
1029 types and pointers to member.
1030 (_Function_handler::_M_manager): Adapt to removal of
1031 _Simple_type_wrapper.
1032 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
1033 * include/std/functional (_Bind_result::__enable_if_void)
1034 (_Bind_result::__disable_if_void): Remove sfinae helpers.
1035 (_Bind_result::__call): Use __invoke_r and remove overloads for void
1037 * include/std/future (__future_base::_Task_state::_M_run)
1038 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
1039 change return type of lambda expressions.
1041 * include/bits/invoke.h (__invoke_r): Define new function implementing
1042 the INVOKE<R> pseudo-function.
1043 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
1044 * testsuite/20_util/function_objects/invoke/2.cc: New test.
1046 * include/std/type_traits (__is_nt_convertible_helper): Define it
1047 unconditionally, not only for C++20.
1048 (__is_nothrow_convertible): Define internal trait for use in C++11.
1049 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
1050 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
1051 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
1052 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
1053 that has nothrow explicit conversion but potentially-throwing implicit
1055 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
1056 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
1057 function to only consider implicit conversions.
1058 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
1060 * include/std/iterator: Include <iosfwd> instead of <istream> and
1063 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
1064 Remove unused, non-standard function.
1066 * include/bits/regex.h (match_results::max_size()): Adjust return
1067 value to account for prefix/suffix/unmatched subs.
1068 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
1069 reset the contained sub matches.
1070 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
1071 function to set result state following a failed match.
1072 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
1073 sub_match states after _M_resize. Use _M_establish_failed_match.
1076 * include/std/thread (thread::_State_impl, thread::_S_make_state):
1077 Replace single _Callable parameter with variadic _Args pack, to
1078 forward them directly to the tuple of decayed copies.
1079 * testsuite/30_threads/thread/cons/69724.cc: New test.
1081 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1083 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
1084 * include/bits/basic_string.h: (operator=(const basic_string&):
1085 Move allocator decision to assign.
1086 (assign(const basic_string&)): Move allocator decision here.
1087 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
1089 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
1092 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1094 * testsuite/util/testsuite_allocator.h (memory_resource)
1095 (default_resource_mgr): Fix indentation.
1097 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
1098 Use operator-> to access raw pointer member.
1099 * testsuite/23_containers/vector/59829.cc: Likewise.
1100 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
1101 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
1102 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
1104 (PointerBase, PointerBase_void): Derive from NullablePointer and use
1105 its constructors and equality operators. Change converting
1106 constructors to use operator-> to access private member of the other
1108 (PointerBase_void::operator->()): Add, for access to private member.
1109 (operator-(PointerBase, PointerBase)): Change to hidden friend.
1110 (operator==(PointerBase, PointerBase)): Remove.
1111 (operator!=(PointerBase, PointerBase)): Remove.
1113 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
1114 not assume field called _M_head_impl is the first tuple element.
1115 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
1116 implementation more accurate.
1117 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
1118 empty pointer type and non-empty deleter.
1120 LWG 2899 - Make is_move_constructible correct for unique_ptr
1121 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
1122 move assignment operator.
1123 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
1124 (__uniq_ptr_data): New class template with conditionally deleted
1126 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
1127 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
1128 constructor and move assignment operator as defaulted.
1129 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
1130 __uniq_ptr_impl::release().
1131 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
1132 to __uniq_ptr_impl::reset(pointer).
1133 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
1134 Check for new __uniq_ptr_data type.
1135 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
1137 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1139 PR libstdc++/90454.cc path construction from void*
1140 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
1141 pointers to void are rejected as well as void.
1142 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
1143 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
1145 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
1147 * doc/xml/manual/policy_data_structures.xml: Comment out stray
1148 <remark> elements. Fix formatting of bibliography references.
1150 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
1152 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
1154 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1156 Remove Profile Mode, deprecated since 7.1.0
1157 * doc/Makefile.am: Remove XML file for profile mode docs.
1158 * doc/Makefile.in: Regenerate.
1159 * doc/xml/authors.xml: Remove authors of profile mode docs.
1160 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
1162 * doc/xml/manual/debug.xml: Likewise.
1163 * doc/xml/manual/evolution.xml: Document removal of profile mode.
1164 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
1165 * doc/xml/manual/spine.xml: Remove profile mode author credit.
1166 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
1168 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
1170 * doc/html/*: Regenerate.
1171 * include/Makefile.am: Remove profile mode headers.
1172 * include/Makefile.in: Regenerate.
1173 * include/bits/c++config (std::__profile): Remove namespace.
1174 [_GLIBCXX_PROFILE]: Remove checks for macro.
1175 * include/profile/array: Remove.
1176 * include/profile/base.h: Remove.
1177 * include/profile/bitset: Remove.
1178 * include/profile/deque: Remove.
1179 * include/profile/forward_list: Remove.
1180 * include/profile/impl/profiler.h: Remove.
1181 * include/profile/impl/profiler_algos.h: Remove.
1182 * include/profile/impl/profiler_container_size.h: Remove.
1183 * include/profile/impl/profiler_hash_func.h: Remove.
1184 * include/profile/impl/profiler_hashtable_size.h: Remove.
1185 * include/profile/impl/profiler_list_to_slist.h: Remove.
1186 * include/profile/impl/profiler_list_to_vector.h: Remove.
1187 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
1188 * include/profile/impl/profiler_node.h: Remove.
1189 * include/profile/impl/profiler_state.h: Remove.
1190 * include/profile/impl/profiler_trace.h: Remove.
1191 * include/profile/impl/profiler_vector_size.h: Remove.
1192 * include/profile/impl/profiler_vector_to_list.h: Remove.
1193 * include/profile/iterator_tracker.h: Remove.
1194 * include/profile/list: Remove.
1195 * include/profile/map: Remove.
1196 * include/profile/map.h: Remove.
1197 * include/profile/multimap.h: Remove.
1198 * include/profile/multiset.h: Remove.
1199 * include/profile/ordered_base.h: Remove.
1200 * include/profile/set: Remove.
1201 * include/profile/set.h: Remove.
1202 * include/profile/unordered_base.h: Remove.
1203 * include/profile/unordered_map: Remove.
1204 * include/profile/unordered_set: Remove.
1205 * include/profile/vector: Remove.
1206 * scripts/run_doxygen: Do not process profile mode headers.
1207 * testsuite/23_containers/array/element_access/60497.cc: Don't use
1209 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
1210 Remove dg-skip-if for profile mode.
1211 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
1212 preprocessor check for profile mode.
1213 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
1214 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
1216 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
1218 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
1219 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
1220 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
1221 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
1222 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
1224 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
1226 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
1228 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
1230 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
1231 preprocessor check for profile mode.
1232 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
1234 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
1235 Remove dg-skip-if for profile mode.
1236 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
1237 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
1238 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
1239 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
1240 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
1241 * testsuite/Makefile.am: Remove profile_flags variable and
1242 * testsuite/Makefile.am: Remove profile_flags variable and
1243 check-profile target.
1244 * testsuite/Makefile.in: Regenerate.
1245 * testsuite/ext/profile/all.cc: Remove.
1246 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
1247 * testsuite/ext/profile/profiler_algos.cc: Remove.
1248 * testsuite/ext/profile/replace_new.cc: Remove.
1249 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
1250 preprocessor check for profile mode.
1251 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1252 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
1253 (check_v3_target_normal_mode): Do not check for profile mode macro.
1254 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
1256 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
1257 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1258 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1259 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
1260 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
1261 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1262 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1263 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1264 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1265 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1267 Remove array_allocator extension, deprecated since 4.9.0
1268 * doc/xml/manual/allocator.xml: Remove documentation for
1270 * doc/xml/manual/evolution.xml: Document array_allocator removal.
1271 * doc/xml/manual/using.xml: Remove header from documentation.
1272 * include/Makefile.am: Remove <ext/array_allocator.h> header.
1273 * include/Makefile.in: Regenerate.
1274 * include/ext/array_allocator.h: Remove.
1275 * include/precompiled/extc++.h: Do not include removed header.
1276 * testsuite/ext/array_allocator/1.cc: Remove.
1277 * testsuite/ext/array_allocator/2.cc: Remove.
1278 * testsuite/ext/array_allocator/26875.cc: Remove.
1279 * testsuite/ext/array_allocator/3.cc: Remove.
1280 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
1281 * testsuite/ext/array_allocator/check_delete.cc: Remove.
1282 * testsuite/ext/array_allocator/check_new.cc: Remove.
1283 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
1284 * testsuite/ext/headers.cc: Do not include removed header.
1286 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
1288 * include/bits/stl_bvector.h
1289 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1291 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1293 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1295 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1297 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1299 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1301 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1303 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
1305 (_Bit_iterator::operator-(difference_type)): Likewise.
1306 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
1307 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
1309 (_Bit_const_iterator::operator-(difference_type)): Likewise.
1310 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
1312 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
1315 * testsuite/util/thread/all.h: Do not use remove_pointer for
1316 std::thread::native_handle_type.
1319 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
1320 (_Variant_storage<true, Types...>::_M_reset()))
1321 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
1322 (__get_storage): Likewise.
1323 (variant): Add noexcept to friend declarations for __get and
1327 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
1328 Use _Require for constraints.
1329 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
1331 (__uniq_ptr_hash): New base class with conditionally-disabled call
1333 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
1334 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
1335 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
1337 * include/bits/shared_ptr.h: Improve docs.
1338 * include/bits/shared_ptr_base.h: Likewise.
1339 * include/bits/stl_uninitialized.h: Likewise.
1340 * include/bits/unique_ptr.h: Likewise.
1341 * libsupc++/new: Likewise.
1343 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
1345 * include/bits/stl_deque.h
1346 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1348 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1350 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1352 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1354 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1356 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1358 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
1360 (_Deque_iterator<>::operator-(difference_type)): Likewise.
1362 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
1365 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
1366 (test01): Reserve for number of insertions to avoid rehash during test.
1367 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1369 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1374 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
1376 * include/experimental/bits/fs_path.h: Improve docs.
1377 * include/experimental/bits/net.h: Fix wrong header name in comment.
1378 Do not document implementation details.
1379 * include/experimental/netfwd: Fix doxygen grouping.
1381 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1383 * include/bits/stl_pair.h: Improve docs.
1384 * include/std/tuple: Likewise.
1386 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
1388 * include/std/chrono: Improve docs.
1389 * include/std/ratio: Do not document implementation details.
1390 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
1392 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1395 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
1396 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
1397 (__duration_common_type): New helper.
1398 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
1399 __duration_common_type.
1400 (__timepoint_common_type_wrapper): Replace with ...
1401 (__timepoint_common_type): New helper.
1402 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
1403 Use __time_point_common_type.
1404 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
1405 (__common_type_impl): If either argument is transformed by decay,
1406 use the common_type of the decayed types.
1407 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
1408 decayed, use __do_common_type_impl to get the common_type.
1409 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
1410 (__do_member_type_wrapper, __member_type_wrapper)
1411 (__expanded_common_type_wrapper): Remove.
1412 (__common_type_pack, __common_type_fold): New helpers.
1413 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
1414 __member_type_wrapper and __expanded_common_type_wrapper.
1415 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
1416 Test zero-length template argument list.
1417 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
1418 Test single argument cases and argument types that should decay.
1419 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
1420 Adjust expected error.
1421 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
1423 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1424 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1425 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1427 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
1429 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
1431 Make allocator propagation more consistent for
1432 operator+(basic_string) (P1165R1)
1433 * include/bits/basic_string.h
1434 (operator+(basic_string&&, basic_string&&): Changed resulting
1435 allocator to always be the one from the first parameter.
1436 * include/bits/basic_string.tcc
1437 (operator+(const _CharT*, const basic_string&)): Changed
1438 resulting allocator to be SOCCC on the second parameter's allocator.
1439 (operator+(_CharT, const basic_string&)): Likewise.
1440 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
1442 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
1445 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1447 * include/bits/regex.h: Improve docs.
1448 * include/bits/regex.tcc: Do not document implementation details.
1450 * testsuite/19_diagnostics/error_code/hash.cc: New test.
1452 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
1454 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
1455 Add type printer for container types in std::__debug namespace.
1456 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
1457 (gdb-tests): Use distinct parameters for the type of test and use of
1459 (gdb-test): Check for regex test even if 'whatis' test.
1460 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
1462 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1463 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1464 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1465 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1466 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1467 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1468 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1470 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
1472 * include/std/system_error (error_category): Fix comment.
1475 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
1476 argument is an empty path.
1477 (absolute(const path&, error_code&)): Use invalid_argument as error
1478 code instead of no_such_file_or_directory.
1479 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
1480 of non-existent paths and empty paths with both overloads of absolute.
1482 * include/std/system_error (error_category, error_code)
1483 (error_condition): Improve docs.
1484 * libsupc++/exception: Add missing @addtogroup Doxygen command.
1485 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
1486 to class documentation. Suppress documentation for implementation
1488 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
1489 Suppress documentation for implementation details.
1491 * include/std/system_error (error_code): Remove friend declaration
1492 for hash<error_code>.
1493 (hash<error_code>::operator()): Use public member functions to access
1495 (hash<error_condition>::operator()): Use address of category, not
1496 its object representation.
1497 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
1498 Use public member functions to access value and category.
1499 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
1501 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
1503 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
1504 * include/bits/hashtable_policy.h
1505 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
1506 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
1507 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
1508 smaller than input value rather than always greater. Preserve
1509 _M_next_resize if called with 0 input. Use __builtin_floorl.
1510 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
1511 elements + number of insertions is greater than _M_next_resize. Start
1512 with 11 buckets if not told otherwise. Use __builtin_floorl.
1513 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
1514 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1515 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
1516 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
1517 told otherwise. Use __builtin_floorl.
1518 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
1519 to also validate _Power2_rehash_policy.
1520 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
1523 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
1526 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
1530 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
1531 overflow warning with -Wpedantic -Wsystem-headers.
1533 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
1536 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
1537 * include/bits/move.h (swap): Remove extra parentheses.
1539 * include/experimental/bits/lfts_config.h: Improve doc markup.
1540 * include/experimental/optional: Improve docs.
1541 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
1542 (__constexpr_addressof): Remove.
1543 (optional::operator->()): Use std::__addressof().
1544 * include/std/optional (optional::operator->()): Adjust whitespace.
1545 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
1546 that operator-> is still constexpr with overloaded operator&. Change
1547 to compile-only test.
1548 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
1551 * include/bits/shared_ptr.h: Improve docs.
1552 * include/bits/shared_ptr_atomic.h: Likewise.
1553 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
1555 * include/bits/basic_string.h: Fix iterator/index confusion in
1557 * include/bits/range_access.h: Fix Doxygen warnings.
1558 * include/bits/refwrap.h: Do not document implementation details.
1559 (ref, cref): Group docs with reference_wrapper.
1560 * include/std/fstream: Fix Doxygen markup.
1561 * libsupc++/initializer_list (begin, end): Group docs with
1564 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
1566 * include/bits/unique_lock.h: Fix/improve doxygen markup.
1567 * include/std/mutex: Likewise.
1568 * include/std/shared_mutex: Likewise.
1570 * include/bits/fs_dir.h: Fix/improve doxygen markup.
1571 * include/bits/fs_fwd.h: Likewise.
1572 * include/bits/fs_ops.h: Likewise.
1573 * include/bits/fs_path.h: Likewise.
1574 * include/std/filesystem: Likewise.
1576 * include/experimental/bits/net.h: Fix/improve doxygen markup.
1577 * include/experimental/buffer: Likewise.
1578 * include/experimental/executor: Likewise.
1579 * include/experimental/internet: Likewise.
1580 * include/experimental/io_context: Likewise.
1581 * include/experimental/net: Likewise.
1582 * include/experimental/netfwd: Likewise.
1583 * include/experimental/socket: Likewise.
1584 * include/experimental/timer: Likewise.
1586 * doc/doxygen/doxygroups.cc: Move description of experimental group
1588 * include/experimental/algorithm: Add to libfund-ts doc group.
1589 * include/experimental/any: Likewise. Do not document implementation
1591 * include/experimental/array: Add to libfund-ts doc group.
1592 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
1593 for Library Fundamentals.
1594 * include/experimental/chrono: Add to libfund-ts doc group.
1595 * include/experimental/deque: Likewise.
1596 * include/experimental/forward_list: Likewise.
1597 * include/experimental/functional: Likewise.
1598 * include/experimental/iterator: Likewise.
1599 * include/experimental/list: Likewise.
1600 * include/experimental/map: Likewise.
1601 * include/experimental/memory: Likewise.
1602 * include/experimental/memory_resource: Likewise. Improve docs.
1604 * include/experimental/numeric: Add to libfund-ts doc group.
1605 * include/experimental/optional: Likewise.
1606 * include/experimental/propagate_const: Likewise.
1607 * include/experimental/random: Likewise.
1608 * include/experimental/ratio: Likewise.
1609 * include/experimental/regex: Likewise.
1610 * include/experimental/set: Likewise.
1611 * include/experimental/source_location: Likewise.
1612 * include/experimental/string: Likewise.
1613 * include/experimental/string_view: Likewise.
1614 * include/experimental/system_error: Likewise.
1615 * include/experimental/tuple: Likewise.
1616 * include/experimental/type_traits: Likewise.
1617 * include/experimental/unordered_map: Likewise.
1618 * include/experimental/unordered_set: Likewise.
1619 * include/experimental/utility: Likewise.
1620 * include/experimental/vector: Likewise.
1621 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
1622 * testsuite/experimental/array/neg.cc: Adjust dg-error.
1623 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
1625 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
1626 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
1627 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
1628 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
1629 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
1631 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
1632 * include/experimental/bits/fs_fwd.h: Improve docs.
1633 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
1634 * include/experimental/bits/fs_path.h: Likewise.
1635 (path, filesystem_error, u8path): Improve docs.
1636 * include/experimental/filesystem: Link to docs for TS.
1638 * config/allocator/new_allocator_base.h (__allocator_base): Add
1639 workaround for Doxygen bug #6945.
1640 * include/std/memory: Improve docs. Define group for pointer safety.
1641 * include/std/scoped_allocator: Improve docs. Use "undocumented"
1642 conditional to suppress documentation for implementation details.
1644 * include/bits/specfun.h: Improve docs.
1645 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
1648 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
1649 (std::experimental): Add docs.
1650 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
1651 namespace to nothing when generating docs.
1652 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
1653 * include/std/chrono (std::chrono): Likewise.
1654 * include/std/functional (std::placeholders): Likewise.
1655 * include/std/thread (std::this_thread): Likewise.
1657 * include/parallel/settings.h: Fix Doxygen markup.
1659 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
1660 anything unless PB_DS_CLASS_C_DEC is defined.
1661 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
1662 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
1663 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
1664 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
1665 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
1666 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
1667 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
1669 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
1670 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
1671 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
1672 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
1673 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
1674 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
1675 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
1676 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
1677 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
1678 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
1679 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
1681 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
1682 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
1684 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
1687 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
1688 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
1689 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
1692 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1694 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
1695 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
1696 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
1697 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
1698 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
1699 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
1701 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
1702 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
1705 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
1708 * include/std/complex (__complex_proj): Return parameter unchanged.
1709 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
1710 floating-point types to take std::complex arguments.
1711 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
1712 floating-point types.
1713 * testsuite/26_numerics/complex/proj.cc: New test.
1715 2019-04-30 Jakub Jelinek <jakub@redhat.com>
1717 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
1718 to _Lock_policyE[012].
1719 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
1721 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
1723 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
1724 macros accidentally left in.
1725 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
1726 unnecessary -lstdc++fs option. Fix test for mingw.
1727 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
1730 2019-04-30 Jakub Jelinek <jakub@redhat.com>
1732 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
1734 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
1736 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
1738 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
1739 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
1742 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
1744 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
1747 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
1748 class template and partial specialization.
1751 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
1753 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
1754 functions to convert a value to an integral type.
1755 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
1756 (fill_n): Convert _Size parameter to an integral type.
1757 * testsuite/25_algorithms/fill_n/87982.cc: New test.
1758 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
1759 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
1760 * testsuite/25_algorithms/generate_n/87982.cc: New test.
1761 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
1762 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
1764 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
1766 Adding noexcept-specification on tuple constructors (LWG 2899)
1767 * libstdc++-v3/include/std/tuple:
1768 (tuple()): Add noexcept-specification.
1769 (tuple(const _Elements&...)): Likewise
1770 (tuple(_UElements&&...)): Likewise
1771 (tuple(const tuple<_UElements...>&)): Likewise
1772 (tuple(tuple<_UElements...>&&)): Likewise
1773 (tuple(const _T1&, const _T2&)): Likewise
1774 (tuple(_U1&&, _U2&&)): Likewise
1775 (tuple(const tuple<_U1, _U2>&): Likewise
1776 (tuple(tuple<_U1, _U2>&&): Likewise
1777 (tuple(const pair<_U1, _U2>&): Likewise
1778 (tuple(pair<_U1, _U2>&&): Likewise
1779 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
1781 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
1784 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
1785 arguments with __restrict.
1787 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
1789 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
1791 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
1793 * include/experimental/bits/fs_path.h
1794 (path::_S_convert_loc<_InputIterator>): Create const std::string to
1795 avoid redundant call to _S_convert_loc with non-const pointers.
1797 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
1798 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
1799 * testsuite/21_strings/basic_string/hash/hash.cc
1800 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
1801 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
1802 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
1804 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
1805 wstring::_M_replace_dispatch with more specific patterns.
1806 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
1807 Create const std::string to avoid redundant call to _S_convert_loc
1808 with non-const pointers.
1809 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
1810 avoid unnecessary basic_string::assign instantiations.
1812 * include/std/memory (__uses_alloc_args): Add string-literal to
1813 static_assert, to match the one in __uses_alloc.
1814 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
1815 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
1816 for recursive uses-allocator construction of nested pairs.
1817 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
1820 2019-04-26 Jakub Jelinek <jakub@redhat.com>
1822 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1823 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1824 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1825 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1827 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1828 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1829 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1830 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1831 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1832 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1833 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1835 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
1838 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
1839 * include/std/scoped_allocator [__cplusplus > 201703L]
1840 (scoped_allocator_adaptor::construct): Define in terms of
1841 uses_allocator_construction_args, as per P0591R4.
1842 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
1843 * testsuite/util/testsuite_allocator.h: Remove name of unused
1846 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
1848 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
1849 * doc/html/*: Regenerate.
1851 * include/bits/fs_path.h (operator<, operator<=, operator>)
1852 (operator>=, operator==, operator!=): Make hidden friends, as per
1854 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
1855 string type in test.
1856 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
1858 * include/std/any (any::any(ValueType&&)): Use __and_v.
1859 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
1862 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
1864 * include/std/type_traits (__result_of_memfun): Use remove_reference
1865 instead of __remove_cvref_t and remove redundant is_same check.
1866 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
1868 * include/experimental/string_view (basic_string_view::pointer)
1869 (basic_string_view::reference): Fix to refer to non-const value_type.
1870 * include/bits/basic_string.h (basic_string): Use __sv_check and
1871 __sv_limit instead of basic_string_view::_M_check and
1872 basic_string_view::_M_limit.
1873 * include/std/string_view (__sv_check, __sv_limit): New
1874 helper functions to replace basic_string_view::_M_check and
1875 basic_string_view::_M_limit.
1876 (basic_string_view): Add static assertions to enforce ill-formed
1877 requirement for traits_type::char_type from P1148R0, and to enforce
1878 required properties of char-like types.
1879 (basic_string_view::pointer, basic_string_view::reference): Fix to
1880 refer to non-const value_type.
1881 (basic_string_view::operator[], basic_string_view::at)
1882 (basic_string_view::front, basic_string_view::back)
1883 (basic_string_view::data): Use const_reference and const_pointer
1884 typedefs for return types.
1885 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
1886 (hash<wstring_view>): Fix argument_type typedef.
1887 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1888 char/1.cc: Fix expected return type of basic_string_view::data().
1889 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1890 wchar_t/1.cc: Likewise.
1891 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1892 char/1.cc: Likewise.
1893 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1894 wchar_t/1.cc: Likewise.
1895 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
1897 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
1898 Check reference and pointer typedefs.
1899 * testsuite/experimental/string_view/requirements/typedefs.cc:
1901 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
1902 Fix expected return type of basic_string_view::data().
1903 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
1905 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
1907 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
1911 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
1912 Avoid a runtime check for types that can never be stored in std::any.
1913 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
1916 PR libstdc++/90220 (partial)
1917 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
1918 not attempt ill-formed static_cast to pointers to non-object types.
1919 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
1922 * testsuite/20_util/variant/run.cc: Catch exception by reference to
1923 prevent -Wcatch-value warning.
1925 * include/std/variant (__variant_construct): Use template parameter
1926 type instead of equivalent decltype-specifier.
1927 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
1928 Replace forward with move.
1929 (_Move_ctor_base<false, Types...>::_M_destructive_move)
1930 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
1931 (_Move_ctor_base<true, Types...>::_M_destructive_move)
1932 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
1933 index after construction succeeds.
1934 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
1935 if-constexpr checks that are always true. Use __remove_cvref_t instead
1936 of remove_reference so that is_nothrow_move_constructible check
1937 doesn't use a const rvalue parameter. In the potentially-throwing case
1938 construct a temporary and move assign it, as per LWG 2904.
1939 (_Move_assign_base<false, Types...>::operator=): Remove redundant
1940 if-constexpr checks that are always true. Use emplace as per LWG 2904.
1941 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
1942 construct a temporary and move assign from it, as per LWG 2904.
1943 * testsuite/20_util/variant/exception_safety.cc: Check that
1944 assignment operators have strong exception safety guarantee.
1946 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
1948 Document PSTL linker flags
1950 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
1952 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
1954 * include/std/variant (__detail::__variant::_Traits): Make
1955 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
1956 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
1958 (__detail::__variant::_Copy_assign_alias): Only depend on
1959 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
1960 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
1961 move assignment operators.
1964 * include/std/variant (variant::__not_self): New helper for the
1965 is_same_v<remove_cvref_t<T>, variant>==false constraints.
1966 (variant::__to_type_impl): Remove.
1967 (variant::__to_type): Add default argument to check pack size, instead
1968 of using __to_type_impl.
1969 (variant::__accepted_type): Add default argument using __not_self.
1970 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
1971 for variant(T&&) constructor constraint.
1972 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
1973 Extract __accepted_type into a named template parameter for reuse in
1974 other constraints and in the exception specification.
1975 (variant::variant(in_place_type_t<T>, Args&&...))
1976 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
1977 (variant::variant(in_place_index_t<T>, Args&&...))
1978 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
1979 (variant::operator=T&&)): Remove redundant && from trait arguments.
1980 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
1981 isn't used for in_place_type or in_place_index arguments.
1983 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
1984 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
1985 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
1987 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1988 Bernd Edlinger <bernd.edlinger@hotmail.de>
1989 Jakub Jelinek <jakub@redhat.com>
1992 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
1993 general-regs-only target attribute for ARM.
1995 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
1998 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
1999 specialization also depend on is_nothrow_move_constructible.
2000 * include/std/variant (__detail::__variant::__never_valueless()):
2001 Only true if the variant would have a move assignment operator.
2002 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
2003 Check __never_valueless<T...>().
2004 (variant::emplace): Only perform non-throwing move assignments
2005 for never-valueless alternatives if the variant has a move assignment
2007 * testsuite/20_util/variant/compile.cc: Check that never-valueless
2008 types can be emplaced into non-assignable variants.
2009 * testsuite/20_util/variant/run.cc: Check that never-valueless types
2010 don't get copied when emplaced into non-assignable variants.
2012 * include/std/variant (__detail::__variant::__ref_cast): Remove
2014 (__detail::__variant::_Uninitialized::_M_get)
2015 (__detail::__variant::__get)
2016 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
2018 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
2020 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
2022 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
2023 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
2024 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
2025 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
2027 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2029 Delegate PSTL configuration to pstl/pstl_config.h
2031 * include/bits/c++config: Remove explicit PSTL configuration
2032 macros and use definitions from <pstl/pstl_config.h>.
2034 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2036 Cleanup algorithm implementations
2037 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
2039 (mismatch): Forward execution policy.
2040 (equal): Qualify call to std::equal().
2041 (partial_sort): Forward execution policy.
2042 (inplace_merge): Forward execution policy.
2044 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
2046 Improve implementation of parallel equal()
2047 * include/pstl/algorithm_impl.h
2048 (__internal::__brick_equal): use "4 iterator" version of
2050 (__internal::__brick_equal): use simd for random access
2051 iterators on unsequenced execution policies.
2052 (__internal::__pattern_equal): add "4 iterator" version
2053 (__internal::__pattern_equal): dispatch to simd __brick_equal
2054 for vector-only execution policies.
2055 (__internal::__pattern_equal): dispatch to __parallel_or for
2056 parallel execution policies.
2057 * include/pstl/glue_algorithm_impl.h
2058 (std::equal): dispatch to "4 iterator" version of
2059 __internal::__pattern_equal().
2061 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
2064 * include/bits/forward_list.h (operator==): Do not use operator!= to
2066 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
2067 earlier in the list, so that sort is stable.
2068 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
2069 * testsuite/23_containers/forward_list/comparable.cc: Test with
2070 types that meet the minimum EqualityComparable and LessThanComparable
2071 requirements. Remove irrelevant comment.
2073 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
2074 Do not depend on whether all alternative types are move constructible.
2075 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
2076 from the operand when deciding whether to perform the assignment.
2077 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
2078 with deleted move constructor and deleted move assignment operator.
2079 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
2080 behaviour of variants with DeletedMoves as an alternative.
2081 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
2082 (move_ctor, move_assign): Check that moving a variant with a
2083 DeletedMoves alternative falls back to copying instead of moving.
2085 * testsuite/20_util/variant/compile.cc: Remove empty string literals
2086 from static_assert declarations.
2088 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
2089 actually match its name.
2090 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
2091 (test_swap()): Fix result for MoveCtorOnly and check
2092 MoveCtorAndSwapOnly.
2094 * include/std/optional (optional::value_or(U&&) &&): Add missing
2095 constexpr specifier.
2096 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
2097 for disengaged optionals and rvalue optionals.
2098 * testsuite/20_util/optional/observers/4.cc: Likewise.
2100 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
2102 * include/pstl/algorithm_impl.h: Uglify identfiers.
2103 * include/pstl/numeric_impl.h: Uglify identfiers.
2104 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
2106 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
2108 * include/bits/c++config:
2109 Add definition for __PSTL_ASSERT.
2110 Add definition for __PSTL_ASSERT_MSG.
2111 * include/pstl/algorithm_impl.h: Replace use of assert().
2112 * include/pstl/numeric_impl.h: Replace use of assert().
2113 * include/pstl/parallel_backend_tbb.h:
2114 Replace use of assert().
2115 Replace use of __TBB_ASSERT().
2116 * include/pstl/parallel_backend_utils.h: Replace use of assert().
2118 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
2121 * src/c++17/memory_resource.cc
2122 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
2123 needed to allow placing a _Chunk at the end of the buffer.
2124 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
2126 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
2128 * doc/xml/faq.xml: Add information about emergency EH pool.
2129 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
2130 Move outdated information on mt_allocator to a separate section.
2131 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
2132 doesn't affect the default allocator.
2134 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
2138 * testsuite/20_util/variant/89851.cc: New test.
2140 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
2142 * include/std/variant: Adjust whitespace. Add comments.
2143 (_Multi_array): Leave primary template undefined.
2144 (_Multi_array<_Tp>): Define partial specialization for base case of
2146 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
2147 which is always a reference.
2148 (__gen_vtable::_S_apply()): Remove function, inline body into
2149 default member initializer.
2150 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
2152 * include/std/variant (__variant_idx_cookie): Add member type.
2153 (__visitor_result_type): Remove.
2154 (__do_visit): Use invoke_result instead of __visitor_result_type.
2155 * testsuite/20_util/variant/visit.cc: New test.
2158 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
2160 * testsuite/20_util/variant/90008.cc: New test.
2162 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
2164 * include/pstl/algorithm_impl.h: Add namespace qualification.
2165 * include/pstl/execution_defs.h: Add namespace qualification.
2166 * include/pstl/execution_impl.h: Add namespace qualification.
2167 * include/pstl/numeric_impl.h: Add namespace qualification.
2168 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
2169 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
2170 * include/pstl/parallel_backend_utils.h: Include <cassert>.
2172 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
2174 Fix visit<R> for variant.
2175 * include/std/variant (__do_visit): Add a template parameter
2176 for enforcing same return types for visit.
2177 (__gen_vtable_impl): Likewise.
2178 (_S_apply_single_alt): Adjust.
2179 (__visit_invoke_impl): New. Handle casting to void.
2180 (__do_visit_invoke): New. Enforces same return types.
2181 (__do_visit_invoke_r): New. Converts return types.
2182 (__visit_invoke): Adjust.
2183 (__gen_vtable): Add a template parameter for enforcing
2184 same return types for visit.
2185 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
2186 different return types.
2187 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
2188 visitors with different return types don't accidentally
2189 compile with regular visitation.
2191 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
2193 * testsuite/27_io/filesystem/iterators/caching.cc: Add
2194 dg-require-filesystem-ts.
2196 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
2198 * doc/xml/manual/status_cxx2020.xml: Update status.
2199 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
2200 * testsuite/20_util/variant/visit_r.cc: New test.
2202 * include/bits/fs_dir.h (directory_iterator::operator*)
2203 (directory_iterator::operator->): Add noexcept.
2204 (operator==, operator!=): Replace namespace-scope equality operators
2205 for directory iterators with hidden friends.
2208 * config/abi/pre/gnu.ver: Add missing exports.
2209 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
2212 * config/abi/pre/gnu.ver: Export new symbols.
2213 * include/bits/fs_dir.h (recursive_directory_iterator::options())
2214 (recursive_directory_iterator::recursion_pending())
2215 (recursive_directory_iterator::disable_recursion_pending()): Remove
2216 inline definitions. Make noexcept.
2217 (recursive_directory_iterator::depth())
2218 (recursive_directory_iterator::operator*())
2219 (recursive_directory_iterator::operator->()): Make noexcept.
2220 (recursive_directory_iterator::_M_options)
2221 (recursive_directory_iterator::_M_pending): Remove data members.
2222 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
2223 (recursive_directory_iterator::recursive_directory_iterator): Remove
2224 ctor-initializer. Use new constructor for _Dir_stack.
2225 (recursive_directory_iterator::options())
2226 (recursive_directory_iterator::recursion_pending())
2227 (recursive_directory_iterator::disable_recursion_pending()): Add
2228 non-inline definitions.
2229 (recursive_directory_iterator::depth()): Make noexcept.
2230 (recursive_directory_iterator::increment(error_code&))
2231 (recursive_directory_iterator::pop(error_code&)): Adjust to new
2232 location of options and recursion_pending members.
2233 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
2234 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
2235 user-declared move constructor and assignment operator, to make the
2238 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
2239 d_type == DT_UNKNOWN immediately.
2240 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
2242 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
2244 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
2246 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
2247 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
2250 PR libstdc++/87431 (again)
2251 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
2252 Define partial specialization for basic_string.
2253 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
2254 shared_ptr and weak_ptr.
2255 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
2257 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
2259 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
2261 * include/debug/vector (_Never_valueless_alt): Likewise for debug
2263 * include/std/any (_Never_valueless_alt): Define explicit
2264 specialization for any.
2265 * include/std/variant (_Never_valueless_alt): Define primary template.
2266 (__never_valueless): Use _Never_valueless_alt instead of
2267 is_trivially_copyable.
2268 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
2269 initializations to avoid try-catch overhead. Add special case for
2270 scalars produced by potentially-throwing conversions. Use
2271 _Never_valueless_alt instead of is_trivially_copyable for the
2272 remaining strong exception-safety cases.
2273 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
2274 * testsuite/20_util/variant/87431.cc: Run both test functions.
2275 * testsuite/20_util/variant/exception_safety.cc: New test.
2276 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
2277 so the variant becomes valueless.
2279 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
2282 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
2284 (variant::emplace<_Tp>): Return result of emplace<N> directly.
2286 * include/std/string (__hash_string_base): New class template defining
2287 operator() for hashing strings.
2288 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
2289 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
2290 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
2291 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
2293 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
2295 Use single-visitation in variant assignment and swap and relops.
2296 Also use indices instead of types when checking whether
2297 variants hold the same thing.
2298 * include/std/variant (__do_visit): Add a template parameter
2299 for index visitation, invoke with indices if index visitation
2301 (__variant_idx_cookie): New.
2302 (__visit_with_index): Likewise.
2303 (_Copy_assign_base::operator=): Do single-visitation with
2305 (_Move_assign_base::operator=): Likewise.
2306 (_Extra_visit_slot_needed): Adjust.
2307 (__visit_invoke): Call with indices if it's an index visitor.
2308 (relops): Do single-visitation with an index visitor.
2310 (__visitor_result_type): New.
2312 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
2314 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
2316 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2318 Don't revisit a variant we are already visiting.
2319 * include/std/variant (__variant_construct_single): New.
2320 (__variant_construct): Use it.
2321 (_M_destructive_move): Likewise.
2322 (_M_destructive_copy): Likewise.
2323 (_Copy_assign_base::operator=): Adjust.
2324 (_Move_assign_base::operator=): Likewise.
2327 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
2330 * include/bits/hashtable.h (_Hashtable): Move static assertions to
2331 destructor so they are not evaluated until the _Key type is complete.
2332 * include/bits/stl_tree.h (_Rb_tree): Likewise.
2333 * testsuite/23_containers/set/85965.cc: New test.
2334 * testsuite/23_containers/unordered_set/85965.cc: New test.
2335 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
2336 with regexp matching the corresponding _Rb_tree specialization.
2337 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2338 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
2339 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2340 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2341 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2342 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2343 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2345 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2348 Fix based on a suggestion by Antony Polukhin.
2349 * include/std/variant (__never_valueless): New.
2351 (_Extra_visit_slot_needed): New.
2352 (_Multi_array): Use it.
2353 (_S_apply_all_alts): Likewise.
2355 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2358 Fix based on a suggestion by Antony Polukhin.
2359 * include/std/variant (__gen_vtable): Don't reserve an
2360 additional table slot, _Multi_array already does that.
2362 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2365 Fix based on a suggestion by Antony Polukhin.
2366 * include/std/variant (__variant_construct): Capture a pointer
2367 to the storage and visit just one variant.
2369 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
2371 * doc/xml/manual/backwards_compatibility.xml: Remove link to
2372 Doxygen-generated pages with unstable URL.
2373 * doc/xml/manual/concurrency_extensions.xml: Likewise.
2374 * doc/xml/manual/extensions.xml: Likewise.
2375 * doc/xml/manual/parallel_mode.xml: Likewise.
2376 * doc/xml/manual/support.xml: Likewise.
2378 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
2379 avoid -Wconversion warnings.
2381 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
2383 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
2384 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
2385 (allstamped): Add stamp-pstl.
2386 (install-headers): Add ptsl_builddir.
2387 * include/Makefile.in: Regenerate.
2388 * include/bits/c++config: Add pstl configuration.
2389 * include/pstl/LICENSE.txt: New file.
2390 * include/pstl/algorithm_fwd.h: New file.
2391 * include/pstl/algorithm_impl.h: New file.
2392 * include/pstl/execution_defs.h: New file.
2393 * include/pstl/execution_impl.h: New file.
2394 * include/pstl/glue_algorithm_defs.h: New file.
2395 * include/pstl/glue_algorithm_impl.h: New file.
2396 * include/pstl/glue_execution_defs.h: New file.
2397 * include/pstl/glue_memory_defs.h: New file.
2398 * include/pstl/glue_memory_impl.h: New file.
2399 * include/pstl/glue_numeric_defs.h: New file.
2400 * include/pstl/glue_numeric_impl.h: New file.
2401 * include/pstl/memory_impl.h: New file.
2402 * include/pstl/numeric_fwd.h: New file.
2403 * include/pstl/numeric_impl.h: New file.
2404 * include/pstl/parallel_backend.h: New file.
2405 * include/pstl/parallel_backend_tbb.h: New file.
2406 * include/pstl/parallel_backend_utils.h: New file.
2407 * include/pstl/parallel_impl.h: New file.
2408 * include/pstl/pstl_config.h: New file.
2409 * include/pstl/unseq_backend_simd.h: New file.
2410 * include/pstl/utils.h: New file.
2411 * include/std/algorithm: Include parallel algorithm implementations.
2412 * include/std/execution: New file.
2413 * include/std/memory: Include parallel algorithm implementations.
2414 * include/std/numeric: Include parallel algorithm implementations.
2415 * include/std/version: Add parallel algorithms feature test macro.
2416 * testsuite/util/pstl/pstl_test_config.h: New file.
2417 * testsuite/util/pstl/test_utils.h: New file.
2418 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2419 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2420 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2421 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2422 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2423 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2424 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2425 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2426 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2427 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2428 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2429 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2430 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2431 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2432 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2433 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2434 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2435 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2436 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2437 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2438 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2439 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2440 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2441 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2442 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2443 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2444 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2445 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2446 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2447 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2448 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2449 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2450 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2451 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2452 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2453 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2454 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2455 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2456 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2457 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2458 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2459 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2460 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2461 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2462 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2463 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2464 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2465 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2466 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2467 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2468 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2469 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2470 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2471 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2472 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2473 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2474 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2475 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2476 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2477 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2478 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2479 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2480 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2481 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2482 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2483 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2484 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2485 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2486 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2487 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2488 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2489 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2490 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2491 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2492 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2493 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2494 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2495 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2496 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2497 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2498 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2499 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2500 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2501 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2502 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2503 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2504 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2505 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2506 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2507 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2508 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2509 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2510 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2511 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2512 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2513 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2514 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2515 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2516 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2517 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2518 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2519 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2520 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2521 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2522 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2523 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2525 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
2527 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
2528 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
2529 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
2530 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
2531 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
2532 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
2533 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
2534 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
2535 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
2536 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
2537 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
2538 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
2539 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
2540 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
2541 when the special functions IS is enabled, not for C++17.
2542 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
2544 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
2545 without checks for special functions in C++17.
2546 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
2550 * include/backward/hash_map: Use <> for includes not "".
2551 * include/backward/hash_set: Likewise.
2552 * include/backward/strstream: Likewise.
2553 * include/tr1/bessel_function.tcc: Likewise.
2554 * include/tr1/exp_integral.tcc: Likewise.
2555 * include/tr1/legendre_function.tcc: Likewise.
2556 * include/tr1/modified_bessel_func.tcc: Likewise.
2557 * include/tr1/riemann_zeta.tcc: Likewise.
2559 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
2561 * doc/xml/manual/allocator.xml: Link to table documenting evolution
2562 of extension allocators.
2563 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
2564 Document new headers in 7.2, 8.1 and 9.1 releases.
2565 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
2566 * doc/html/*: Regenerate.
2568 2019-03-12 John David Anglin <dave.anglin@bell.net>
2571 * testsuite/lib/libstdc++.exp: Locate libatomic.
2572 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
2573 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
2575 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
2576 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
2577 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
2578 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
2580 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
2583 * configure.ac: Check for sockatmark.
2584 * crossconfig.m4: Check for sockatmark.
2585 * config.h.in: Regenerate.
2586 * configure: Regenerate.
2587 * include/experimental/internet (address_v4::_S_hton): Rename
2588 overloaded functions to _S_hton_16 and _S_ntoh_16.
2589 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
2590 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
2591 * include/experimental/socket (basic_socket::at_mark): Check
2592 _GLIBCXX_HAVE_SOCKATMARK.
2594 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
2595 const variables instead of macros.
2598 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
2599 Use correct type for len_aligned.
2600 * testsuite/20_util/hash/89629.cc: New test.
2602 2019-03-11 Jakub Jelinek <jakub@redhat.com>
2605 * include/std/atomic (atomic<T>::store, atomic<T>::load,
2606 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
2607 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
2608 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
2609 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
2610 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
2611 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
2612 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
2613 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
2614 memory_order_seq_cst to int.
2616 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
2618 * doc/xml/manual/using.xml: Use link element instead of xref.
2619 * doc/html/*: Regenerate.
2621 * include/bits/fs_path.h (path::format): Add fixed underlying type.
2623 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
2626 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
2627 parameters in deduction guides.
2628 * include/debug/multimap.h (multimap): Likewise.
2629 * include/debug/set.h (multimap): Likewise.
2630 * include/debug/multiset.h (multimap): Likewise.
2631 * include/debug/unordered_map (unordered_map): Likewise.
2632 (unordered_multimap): Likewise.
2633 * include/debug/unordered_set (unordered_set): Likewise.
2634 (unordered_multiset): Likewise.
2637 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
2638 Invalidate all iterators in case of rehash.
2639 (unordered_multimap<>::_M_check_rehashed): Likewise.
2640 * include/debug/unordered_set
2641 (unordered_set<>::_M_check_rehashed): Likewise.
2642 (unordered_multiset<>::_M_check_rehashed): Likewise.
2643 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
2645 2019-03-07 Andreas Schwab <schwab@suse.de>
2647 * config/abi/post/riscv64-linux-gnu: New directory.
2648 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
2650 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
2652 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
2653 compile test to run. Fix typo.
2655 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
2656 * doc/html/*: Regenerate.
2658 P0356R5 Simplified partial function application
2659 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
2660 helpers for bind_front.
2661 (bind_front, __cpp_lib_bind_front): Define.
2662 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
2664 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
2666 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
2667 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
2668 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
2669 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2671 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
2673 PR libstdc++/86655 - std::assoc_legendre should not constrain
2674 the value of m (or x).
2675 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
2676 __sph_legendre): If degree > order Don't throw, return 0.
2677 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
2678 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
2679 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
2680 * testsuite/tr1/5_numerical_facilities/special_functions/
2681 02_assoc_legendre/pr86655.cc: New test.
2682 * testsuite/tr1/5_numerical_facilities/special_functions/
2683 22_sph_legendre/pr86655.cc: New test.
2685 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
2688 Also PR libstdc++/85517
2689 * include/std/variant (__do_visit): New.
2690 (__variant_cast): Likewise.
2691 (__variant_cookie): Likewise.
2692 (__erased_*): Remove.
2693 (_Variant_storage::_S_vtable): Likewise.
2694 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
2695 (_Variant_storage::__M_reset): Adjust.
2696 (__variant_construct): New.
2697 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
2698 __variant_construct.
2699 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
2700 (_Move_ctor_base::__M_destructive_copy): New.
2701 (_Move_ctor_base::__M_destructive_move): Adjust to use
2702 __variant_construct.
2703 (_Copy_assign_base::operator=): Adjust to use __do_visit.
2704 (_Copy_assign_alias): Adjust to check both copy assignment
2705 and copy construction for triviality.
2706 (_Move_assign_base::operator=): Adjust to use __do_visit.
2707 (_Multi_array): Add support for visitors that accept and return
2709 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
2710 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
2711 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
2712 a __variant_cookie temporary for a variant that is valueless and..
2713 (__gen_vtable_impl::__visit_invoke): ..adjust here.
2714 (__gen_vtable::_Array_type): Conditionally make space for
2715 the __variant_cookie visitor case.
2716 (__variant_construct_by_index): New.
2717 (get_if): Adjust to use std::addressof.
2718 (relops): Adjust to use __do_visit.
2719 (variant): Add __variant_cast and __variant_construct_by_index
2721 (variant::emplace): Use _M_reset() and __variant_construct_by_index
2722 instead of self-destruction.
2723 (variant::swap): Adjust to use __do_visit.
2724 (visit): Reimplement in terms of __do_visit.
2725 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
2726 * testsuite/20_util/variant/compile.cc: Adjust.
2727 * testsuite/20_util/variant/run.cc: Likewise.
2729 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
2731 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
2733 * testsuite/experimental/feat-char8_t.cc: Likewise.
2735 * include/std/type_traits [C++20] (is_bounded_array)
2736 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
2738 * testsuite/20_util/is_bounded_array/requirements/
2739 explicit_instantiation.cc: New test.
2740 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
2742 * testsuite/20_util/is_bounded_array/value.cc: New test.
2743 * testsuite/20_util/is_unbounded_array/requirements/
2744 explicit_instantiation.cc: New test.
2745 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
2747 * testsuite/20_util/is_unbounded_array/value.cc: New test.
2749 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
2751 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
2753 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
2755 * include/c_compatibility/math.h [C++20] (lerp): Add using
2757 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
2758 (__lerp): Define function template to implement lerp.
2759 (lerp(float, float, float), lerp(double, double, double))
2760 (lerp(long double, long double, long double)): Define for C++20.
2761 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
2762 (midpoint(T, T), midpoint(T*, T*)): Define.
2763 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
2764 * testsuite/26_numerics/lerp.cc: New test.
2765 * testsuite/26_numerics/midpoint/floating.cc: New test.
2766 * testsuite/26_numerics/midpoint/integral.cc: New test.
2767 * testsuite/26_numerics/midpoint/pointer.cc: New test.
2769 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
2771 PR libstdc++/88996 Implement P0439R0
2772 Make std::memory_order a scoped enumeration.
2773 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
2774 add variables for the old enumerators. Adjust calls.
2775 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
2776 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
2778 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
2780 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
2783 * include/std/memory_resource (polymorphic_allocator): Add default
2784 template argument for C++20.
2785 (polymorphic_allocator::allocate_bytes)
2786 (polymorphic_allocator::deallocate_bytes)
2787 (polymorphic_allocator::allocate_object)
2788 (polymorphic_allocator::deallocate_object)
2789 (polymorphic_allocator::new_object)
2790 (polymorphic_allocator::delete_object): New member functions for
2792 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
2795 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
2798 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
2801 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
2803 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
2804 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
2806 * include/std/memory (uses_allocator_construction_args): New set of
2807 overloaded functions.
2808 (make_obj_using_allocator, uninitialized_construct_using_allocator):
2810 * include/std/memory_resource (polymorphic_allocator::construct)
2811 [__cplusplus > 201703l]: Replace all overloads with a single function
2812 using uses_allocator_construction_args.
2813 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
2815 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
2817 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
2820 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
2821 stylesheet directories before check for xsltproc. Try to use
2822 xmlcatalog to find local stylesheet directory before trying hardcoded
2823 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
2824 check to look for the same stylesheet as doc/Makefile.am uses. Don't
2825 use xsltproc if xmlcatalog fails to find a local stylesheet.
2826 * configure.ac: Check for xmlcatalog.
2827 * Makefile.in: Regenerate.
2828 * configure: Likewise.
2829 * doc/Makefile.in: Likewise.
2830 * include/Makefile.in: Likewise.
2831 * libsupc++/Makefile.in: Likewise.
2832 * po/Makefile.in: Likewise.
2833 * python/Makefile.in: Likewise.
2834 * src/Makefile.in: Likewise.
2835 * src/c++11/Makefile.in: Likewise.
2836 * src/c++17/Makefile.in: Likewise.
2837 * src/c++98/Makefile.in: Likewise.
2838 * src/filesystem/Makefile.in: Likewise.
2839 * testsuite/Makefile.in: Likewise.
2841 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
2844 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
2845 container deduction guides.
2846 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
2847 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
2848 parameters in deduction guides.
2849 * include/bits/stl_multimap.h (multimap): Likewise.
2850 * include/bits/stl_multiset.h (multiset): Likewise.
2851 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
2852 * include/bits/stl_set.h (set): Likewise.
2853 * include/bits/stl_stack.h (stack): Likewise.
2854 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
2855 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
2856 constrain parameters in deduction guides.
2857 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
2859 * testsuite/23_containers/map/cons/deduction.cc: Test additional
2861 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
2862 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
2863 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
2864 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
2866 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
2868 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
2871 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
2872 to class template and partial specialization using void_t.
2873 (__is_copy_insertable, __is_move_insertable): Adjust base class.
2875 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
2878 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
2879 copy and move members public.
2881 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
2883 * include/std/type_traits (__underlying_type_impl): New helper to
2884 make underlying_type SFINAE-friendly.
2885 (underlying_type): Derive from __underlying_type_impl.
2886 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
2890 * include/bits/char_traits.h (__constant_char_array): Check index is
2891 in range before dereferencing.
2892 (char_traits<char>::compare, char_traits<char>::find)
2893 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
2894 immediately if n is zero.
2895 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
2896 Remove workarounds for PR 67026.
2897 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
2899 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
2902 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
2904 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
2905 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
2907 2019-02-22 Jakub Jelinek <jakub@redhat.com>
2910 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
2911 type to std::size_t and argument to type to long double.
2913 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
2915 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
2916 * config/abi/post/sparc64-linux-gnu: New directory.
2917 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
2918 * config/abi/post/sparc64-linux-gnu/32: New directory.
2919 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
2921 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
2923 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
2924 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
2927 2019-02-22 Tom Honermann <tom@honermann.net>
2929 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
2930 printers for u8string and u8string_view.
2932 2019-02-22 Tom Honermann <tom@honermann.net>
2934 * testsuite/18_support/byte/ops.cc: Validate
2935 std::to_integer<char8_t>, std::to_integer<char16_t>, and
2936 std::to_integer<char32_t>.
2937 * testsuite/18_support/numeric_limits/dr559.cc: Validate
2938 std::numeric_limits<char8_t>.
2939 * testsuite/18_support/numeric_limits/lowest.cc: Validate
2940 std::numeric_limits<char8_t>::lowest().
2941 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
2942 std::numeric_limits<char8_t>::max_digits10.
2943 * testsuite/18_support/type_info/fundamental.cc: Validate
2944 typeinfo for char8_t.
2945 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
2946 std::from_chars with char8_t.
2947 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
2948 Validate explicit instantiation of std::hash<char8_t>.
2949 * testsuite/20_util/is_integral/value.cc: Validate
2950 std::is_integral<char8_t>.
2951 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
2952 Validate std::make_signed<char8_t>.
2953 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
2954 Validate u8string construction from char8_t sources.
2955 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
2957 * testsuite/21_strings/basic_string_view/operations/compare/
2958 char/70483.cc: Validate substr operations on u8string_view.
2959 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
2960 the u8string_view typedef is defined.
2961 * testsuite/21_strings/char_traits/requirements/
2962 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
2964 * testsuite/21_strings/char_traits/requirements/
2965 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
2966 constexpr member functions.
2967 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
2968 that the u8string typedef is defined.
2969 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
2970 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
2971 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
2972 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
2974 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
2975 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
2977 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
2978 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
2979 Validate std::atomic<char8_t>::is_always_lock_free
2980 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
2981 Update line numbers.
2982 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
2984 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
2986 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
2987 Validate std::experimental::pmr::u8string.
2988 * testsuite/experimental/string_view/typedefs.cc: Validate that the
2989 u8string_view typedef is defined.
2990 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
2991 char32_t to the typelists.
2993 2019-02-22 Tom Honermann <tom@honermann.net>
2995 * include/ext/typelist.h: Constrain a partial specialization of
2996 typelist::detail::append_ to only match chain<T1,T2>.
2998 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
3001 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
3002 class template with class. Replace move and copy member types with
3003 member alias templates, so they are only instantiated when needed.
3004 (__is_copy_insertable, __is_move_insertable): Adjust base class.
3005 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
3006 test for C++11/14/17 as well.
3007 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
3010 2019-02-20 Jakub Jelinek <jakub@redhat.com>
3013 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
3014 _GLIBCXX_PURE to the alias declaration.
3016 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
3018 * testsuite/21_strings/basic_string/literals/types.cc
3019 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
3020 * testsuite/21_strings/basic_string/literals/values.cc
3021 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3022 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
3023 potentially having different type.
3024 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
3025 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
3027 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
3028 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
3029 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
3030 string literals only using basic character set.
3031 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
3032 u8 literals to char.
3033 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
3034 Test ATOMIC_CHAR8_T_LOCK_FREE.
3035 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
3036 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
3037 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
3038 * testsuite/experimental/string_view/literals/types.cc
3039 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
3041 * testsuite/experimental/string_view/literals/values.cc
3042 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3044 2019-02-19 Tom Honermann <tom@honermann.net>
3046 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
3047 from char16_32_t.cc; validates numeric_limits<char8_t>.
3048 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
3049 test cloned from types.cc; validates operator""s for char8_t
3051 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
3052 test cloned from values.cc; validates construction and comparison
3054 * testsuite/21_strings/basic_string/requirements/
3055 /explicit_instantiation/char8_t/1.cc: New test cloned from
3056 char16_t/1.cc; validates explicit instantiation of
3057 basic_string<char8_t>.
3058 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
3059 New test cloned from types.cc; validates operator""sv for char8_t
3060 returns u8string_view.
3061 * testsuite/21_strings/basic_string_view/literals/
3062 values-char8_t.cc: New test cloned from values.cc; validates
3063 construction and comparison of u8string_view values.
3064 * testsuite/21_strings/basic_string_view/requirements/
3065 explicit_instantiation/char8_t/1.cc: New test cloned from
3066 char16_t/1.cc; validates explicit instantiation of
3067 basic_string_view<char8_t>.
3068 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
3069 New test cloned from char16_t/65049.cc; validates that
3070 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
3071 * testsuite/21_strings/char_traits/requirements/char8_t/
3072 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
3073 that char_traits<char8_t> member typedefs are present and correct.
3074 * testsuite/21_strings/char_traits/requirements/
3075 explicit_instantiation/char8_t/1.cc: New test cloned from
3076 char16_t/1.cc; validates explicit instantiation of
3077 char_traits<char8_t>.
3078 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
3079 from char16_t.cc: validates
3080 codecvt<char16_t, char8_t, mbstate_t>.
3081 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
3082 from char32_t.cc: validates
3083 codecvt<char32_t, char8_t, mbstate_t>.
3084 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
3085 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
3086 codecvt<char32_t, char8_t, std::mbstate_t>.
3087 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
3088 test cloned from string.cc; validates filesystem::path construction
3090 * testsuite/experimental/feat-char8_t.cc: New test; validates that
3091 the __cpp_lib_char8_t feature test macro is defined with the
3093 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3094 New test cloned from string.cc; validates filesystem::path
3095 construction from char8_t input.
3096 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
3097 test cloned from types.cc; validates operator""sv for char8_t
3098 returns u8string_view.
3099 * testsuite/experimental/string_view/literals/values-char8_t.cc:
3100 New test cloned from values.cc; validates construction and
3101 comparison of u8string_view values.
3102 * testsuite/experimental/string_view/requirements/
3103 explicit_instantiation/char8_t/1.cc: New test cloned from
3104 char16_t/1.cc; validates explicit instantiation of
3105 basic_string_view<char8_t>.
3106 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
3107 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
3110 2019-02-19 Tom Honermann <tom@honermann.net>
3112 P0482R5 char8_t: Standard library support
3113 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
3114 typeinfo symbols for char8_t.
3115 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
3116 (GLIBCXX_3.4.26): Add symbols for specializations of
3117 numeric_limits and codecvt that involve char8_t.
3118 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
3119 * include/bits/atomic_base.h: Add atomic_char8_t.
3120 * include/bits/basic_string.h: Add std::hash<u8string> and
3121 operator""s(const char8_t*, size_t).
3122 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
3124 * include/bits/char_traits.h: Add char_traits<char8_t>.
3125 * include/bits/codecvt.h: Add
3126 codecvt<char16_t, char8_t, mbstate_t>,
3127 codecvt<char32_t, char8_t, mbstate_t>,
3128 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3129 codecvt_byname<char32_t, char8_t, mbstate_t>.
3130 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
3131 recognize char8_t as an integral type.
3132 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
3134 (path::u8string): Return std::u8string when char8_t support is
3136 (path::generic_u8string): Likewise.
3137 (path::_S_convert): Handle conversion from char8_t input.
3138 (path::_S_str_convert): Likewise.
3139 * include/bits/functional_hash.h: Add hash<char8_t>.
3140 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
3142 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
3143 for new char8_t specializations.
3144 * include/bits/localefwd.h: Add missing declarations of
3145 codecvt<char16_t, char, mbstate_t> and
3146 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
3147 codecvt<char16_t, char8_t, mbstate_t> and
3148 codecvt<char32_t, char8_t, mbstate_t>.
3149 * include/bits/postypes.h: Add u8streampos
3150 * include/bits/stringfwd.h: Add declarations of
3151 char_traits<char8_t> and u8string.
3152 * include/c_global/cstddef: Add __byte_operand<char8_t>.
3153 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3155 (path::u8string): Return std::u8string when char8_t support is
3157 (path::generic_u8string): Likewise.
3158 (path::_S_convert): Handle conversion from char8_t input.
3159 (path::_S_str_convert): Likewise.
3160 * include/experimental/string: Add u8string.
3161 * include/experimental/string_view: Add u8string_view,
3162 hash<experimental::u8string_view>, and
3163 operator""sv(const char8_t*, size_t).
3164 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
3165 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
3166 as a character type.
3167 * include/std/limits: Add numeric_limits<char8_t>.
3168 * include/std/string_view: Add u8string_view,
3169 hash<experimental::u8string_view>, and
3170 operator""sv(const char8_t*, size_t).
3171 * include/std/type_traits: Add __is_integral_helper<char8_t>,
3172 __make_unsigned<char8_t>, and __make_signed<char8_t>.
3173 * libsupc++/atomic_lockfree_defines.h: Define
3174 ATOMIC_CHAR8_T_LOCK_FREE.
3175 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
3176 codecvt.cc and limits.cc so that char8_t specializations of
3177 numeric_limits and codecvt and emitted.
3178 * src/c++11/Makefile.in: Likewise.
3179 * src/c++11/codecvt.cc: Define members of
3180 codecvt<char16_t, char8_t, mbstate_t>,
3181 codecvt<char32_t, char8_t, mbstate_t>,
3182 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3183 codecvt_byname<char32_t, char8_t, mbstate_t>.
3184 * src/c++11/limits.cc: Define members of
3185 numeric_limits<char8_t>.
3186 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
3187 locale_init.cc and localename.cc.
3188 * src/c++98/Makefile.in: Likewise.
3189 * src/c++98/locale_init.cc: Add initialization for the
3190 codecvt<char16_t, char8_t, mbstate_t> and
3191 codecvt<char32_t, char8_t, mbstate_t> facets.
3192 * src/c++98/localename.cc: Likewise.
3193 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
3195 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
3197 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
3198 * 27_io/filesystem/operations/resize_file.cc: Likewise.
3199 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
3201 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
3203 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
3204 * doc/html/*: Regenerate.
3206 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
3207 * doc/html/*: Regenerate.
3209 * doc/xml/manual/intro.xml: Document LWG 2586 status.
3210 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
3211 allocator type in is_constructible checks.
3212 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
3213 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
3214 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
3215 problematic type from LWG 2586 discussion.
3216 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
3217 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
3219 * configure.ac: Check for C11 timespec_get function.
3220 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
3222 * config.h.in: Regenerate.
3223 * configure: Regenerate.
3224 * include/c_global/ctime (timespec, timespec_get): Add to namespace
3225 std for C++17 and up.
3227 * doc/xml/manual/intro.xml: Document LWG 2537 status.
3228 * include/bits/stl_queue.h
3229 (priority_queue(const Compare&, const Container&, const Alloc&))
3230 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
3232 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
3234 * doc/xml/manual/intro.xml: Document LWG 2566 status.
3235 * include/bits/stl_queue.h (queue, priority_queue): Add static
3236 assertions to enforce LWG 2566 requirement on value_type.
3237 * include/bits/stl_stack.h (stack): Likewise.
3240 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
3242 * doc/xml/manual/intro.xml: Document LWG 2735 status.
3243 * include/bits/std_abs.h: Add comment about LWG 2735.
3244 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
3246 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
3249 * include/std/version [__cpp_impl_destroying_delete]
3250 (__cpp_lib_destroying_delete): Only define for C++2a and later.
3251 * libsupc++/new [__cpp_impl_destroying_delete]
3252 (__cpp_lib_destroying_delete): Likewise.
3253 (destroying_delete_t, destroying_delete): Likewise, but define even
3254 when __cpp_impl_destroying_delete is not defined.
3255 * testsuite/18_support/destroying_delete.cc: New test.
3257 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
3260 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
3261 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
3262 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
3263 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
3265 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
3268 * include/bits/fs_path.h (path::has_root_name)
3269 (path::has_root_directory, path::has_root_path)
3270 (path::has_relative_path, path::has_parent_path)
3271 (path::has_filename, path::has_stem, path::has_extension)
3272 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
3274 * src/c++17/fs_path.cc (path::has_root_name)
3275 (path::has_root_directory, path::has_root_path)
3276 (path::has_relative_path, path::has_parent_path)
3277 (path::has_filename, path::_M_find_extension): Add noexcept.
3279 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
3281 PR libstdc++/89102 (partial)
3282 * include/std/type_traits (common_type<>): Define.
3283 (common_type<T>): Derive from common_type<T, T>.
3284 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3285 Test zero-length template argument list.
3286 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3287 Test additional single argument cases.
3288 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3289 Adjust expected error.
3291 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
3294 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
3296 * include/bits/stl_stack.h (stack): Likewise.
3297 * testsuite/23_containers/priority_queue/deduction.cc: New test.
3298 * testsuite/23_containers/queue/deduction.cc: New test.
3299 * testsuite/23_containers/stack/deduction.cc: New test.
3302 * include/std/type_traits (__is_convertible_helper)
3303 (__is_convertible_helper<_From, _To, false>): Revert changes to
3304 support is_nothrow_convertible.
3305 (__is_nt_convertible_helper): New helper.
3306 (is_nothrow_convertible): Use __is_nt_convertible_helper.
3308 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
3309 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
3312 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
3313 __is_alloc_insertable_impl. Replace single type member with two
3314 members, one for each of copy and move insertable.
3315 (__is_move_insertable): New trait for internal use.
3316 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
3317 (vector::_S_nothrow_relocate(true_type)): New functions to
3318 conditionally check if __relocate_a can throw.
3319 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
3320 on __is_move_insertable.
3321 (vector::_S_do_relocate): New overloaded functions to conditionally
3323 (vector::_S_relocate): New function that dispatches to _S_do_relocate
3324 based on _S_use_relocate.
3325 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3326 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
3327 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
3330 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
3331 parameter unnamed. Add message to static assertion.
3332 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3333 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
3336 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
3339 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
3341 (__is_bitwise_relocatable): ... to this.
3342 (__relocate_a_1): Adapt.
3343 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
3344 (__is_bitwise_relocatable): ... to this.
3346 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
3349 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
3350 final component as well as from _M_pathname. Append the dot using
3351 operator+= instead of only to _M_pathname.
3352 (path::_M_find_extension): Reformat slightly.
3353 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
3354 Add more test cases.
3356 2019-01-30 Ulrich Drepper <drepper@redhat.com>
3358 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
3360 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
3362 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
3363 constexpr specifiers from arg and proj.
3365 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
3366 __shared_ptr instantiations used by gcc4-compatible ABI.
3368 * include/experimental/forward_list (experimental::erase): Qualify
3370 * include/experimental/list (experimental::erase): Likewise.
3371 * include/std/forward_list (std::erase): Likewise.
3372 * include/std/list (std::erase): Likewise.
3374 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
3376 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
3377 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
3378 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
3379 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
3380 * testsuite/ext/array_allocator/26875.cc: Likewise.
3381 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
3382 * testsuite/util/replacement_memory_operators.h: Likewise.
3383 * testsuite/util/testsuite_allocator.h: Likewise.
3385 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
3386 normal mode vector, even for debug mode.
3387 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
3388 Define alias template for normal mode vector.
3390 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
3393 * config/locale/generic/c_locale.h (__convert_from_v)
3394 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3395 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3396 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
3397 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3399 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
3402 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
3403 data member with static member function _S_use_relocate().
3404 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3405 (vector::_M_default_append): Use _S_use_relocate() instead of
3408 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
3411 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
3414 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
3415 write to stderr instead of using printf.
3417 2019-01-21 Jakub Jelinek <jakub@redhat.com>
3420 * include/bits/char_traits.h (__constant_string_p,
3421 __constant_char_array_p): Use __builtin_is_constant_evaluated if
3424 2019-01-20 Ulrich Drepper <drepper@redhat.com>
3426 Implement C++20 P0600r1.
3427 * include/backward/hash_map: Add nodiscard attribute to empty.
3428 * include/backward/hash_set: Likewise.
3429 * backward/hashtable.h: Likewise.
3430 * include/bits/basic_string.h: Likewise.
3431 * include/bits/forward_list.h: Likewise.
3432 * include/bits/hashtable.h: Likewise.
3433 * include/bits/regex.h: Likewise.
3434 * include/bits/stl_deque.h: Likewise.
3435 * include/bits/stl_list.h: Likewise.
3436 * include/bits/stl_map.h: Likewise.
3437 * include/bits/stl_multimap.h: Likewise.
3438 * include/bits/stl_multiset.h: Likewise.
3439 * include/bits/stl_queue.h: Likewise.
3440 * include/bits/stl_set.h: Likewise.
3441 * include/bits/stl_stack.h: Likewise.
3442 * include/bits/stl_tree.h: Likewise.
3443 * include/bits/stl_vector.h: Likewise.
3444 * include/bits/unordered_map.h: Likewise.
3445 * include/bits/unordered_set.h: Likewise.
3446 * include/debug/array: Likewise.
3447 * include/experimental/any: Likewise.
3448 * include/experimental/bits/fs_path.h: Likewise.
3449 * include/experimental/internet: Likewise.
3450 * include/experimental/string_view: Likewise.
3451 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
3453 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
3455 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
3457 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
3459 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
3461 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
3463 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
3465 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
3467 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3468 info_fn_imps.hpp: Likewise.
3469 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3470 left_child_next_sibling_heap_.hpp: Likewise.
3471 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
3473 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
3475 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
3477 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
3479 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
3481 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
3483 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
3485 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
3486 * include/ext/pb_ds/trie_policy.hpp: Likewise.
3487 * include/ext/rope: Likewise.
3488 * include/ext/slist: Likewise.
3489 * include/ext/vstring.h: Likewise.
3490 * include/profile/array: Likewise.
3491 * include/std/array: Likewise.
3492 * include/tr1/array: Likewise.
3493 * include/tr1/hashtable.h: Likewise.
3494 * include/tr1/regex: Likewise.
3495 * include/tr2/dynamic_bitset: Likewise.
3496 * include/bits/alloc_traits.h: Add nodiscard attribute to
3498 * include/experimental/memory_resource: Likewise.
3499 * include/ext/alloc_traits.h: Likewise.
3500 * include/ext/array_allocator.h: Likewise.
3501 * include/ext/bitmap_allocator.h: Likewise.
3502 * include/ext/debug_allocator.h: Likewise.
3503 * include/ext/extptr_allocator.h: Likewise.
3504 * include/ext/mt_allocator.h: Likewise.
3505 * include/ext/new_allocator.h: Likewise.
3506 * include/ext/pool_allocator.h: Likewise.
3507 * include/ext/throw_allocator.h: Likewise.
3508 * include/std/scoped_allocator: Likewise.
3509 * libsupc++/eh_alloc.cc: Likewise.
3510 * include/std/future: Add nodiscard attribute to async.
3511 * libsupc++/new: Add nodiscard attribute to new.
3513 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
3518 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
3519 * include/bits/shared_ptr.h
3520 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
3521 (allocate_shared): Change to use new tag type.
3522 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
3523 Declare new member function.
3524 (_Sp_alloc_shared_tag): Define new type.
3525 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
3526 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
3527 _Sp_make_shared_tag::_S_eq to check type_info.
3528 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
3529 Constrain to prevent being called with _Sp_alloc_shared_tag.
3530 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
3531 Replace constructor with ...
3532 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
3533 reference parameter so address of the new object can be returned to
3534 the caller. Obtain the allocator from the tag type.
3535 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
3536 constructor with ...
3537 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
3538 to the __shared_count constructor.
3539 (__allocate_shared): Change to use new tag type.
3540 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
3542 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
3544 * src/c++17/fs_ops.cc
3545 (equivalent(const path&, const path&, error_code&))
3546 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
3547 compare files instead of relying on incomplete info returned by stat.
3550 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
3551 if the path is already absolute.
3552 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
3553 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
3556 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
3557 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
3558 of filesystem::exists.
3559 (create_directories(const path&, error_code&)): Add assertions.
3560 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
3561 Add workaround for bug in _wstat for paths with trailing slash.
3562 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
3563 for expected behaviour on mingw.
3564 * testsuite/experimental/filesystem/operations/create_directories.cc:
3566 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
3567 "TMP" instead of "TMPDIR" and clean environment before each test. Do
3568 not test permissions on mingw targets.
3570 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
3572 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
3573 constructors and open members taking wide strings. Fix patterns for
3574 filesystem::path members to match wstring_view parameters. Add
3575 exports for shared_ptr members used by directory iterators.
3576 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
3577 error code parameter if the file doesn't exist.
3578 * src/filesystem/ops.cc (remove(const path&, error_code&)):
3580 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
3581 values for mingw targets, where "/" is not an absolute path. Do not
3582 test symlinks on mingw targets.
3583 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3584 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
3586 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3587 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
3588 that each component of the path is created.
3589 * testsuite/experimental/filesystem/operations/create_directories.cc:
3591 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
3592 permissions on mingw targets.
3593 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3594 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
3595 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3596 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
3598 * testsuite/experimental/filesystem/operations/permissions.cc:
3600 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
3601 symlinks or permissions on mingw targets.
3602 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3603 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
3604 symlinks on mingw targets.
3605 * testsuite/experimental/filesystem/operations/remove_all.cc:
3607 * testsuite/27_io/filesystem/operations/status.cc: Do not test
3608 permissions on mingw targets.
3609 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
3610 test symlinks on mingw targets.
3611 * testsuite/experimental/filesystem/operations/space.cc: Fix test
3614 2019-02-14 Ulrich Drepper <drepper@redhat.com>
3617 Warn about unused comparisons of shared_ptr/unique_ptr
3618 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
3619 * include/bits/shared_ptr.h: Use it for operator ==, !=,
3620 <, <=, >, >= for shared_ptr.
3621 * include/bits/unique_ptr.h: Likewise for unique_ptr.
3623 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
3625 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
3626 as 201611L, because P0497R0 changes are supported.
3627 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
3629 * include/bits/erase_if.h [__cplusplus > 201703L]
3630 (__cpp_lib_erase_if): Only define for C++2a.
3631 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
3632 (__cpp_lib_null_iterators): Define.
3633 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
3634 (__cpp_lib_null_iterators): Define.
3635 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
3637 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
3639 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
3641 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
3642 changes are supported.
3643 * include/std/optional (__cpp_lib_optional): Likewise.
3644 * include/std/variant (__cpp_lib_variant): Likewise.
3645 * include/std/version [!__STRICT_ANSI__]
3646 (__cpp_lib_uncaught_exceptions): Define as long integer.
3647 [__cplusplus >= 201703L] (__cpp_lib_any)
3648 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
3649 (__cpp_lib_variant): Define for C++17.
3650 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
3652 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
3655 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
3657 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
3661 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
3663 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
3666 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
3668 * doc/xml/manual/intro.xml: Include new section.
3669 * doc/xml/manual/status_cxx2017.xml: Document more
3670 implementation-defined properties of the library.
3671 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
3672 * doc/html/*: Regenerate.
3674 * include/bits/refwrap.h [__cplusplus > 201703L]
3675 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
3676 (_Reference_wrapper_base_memfun): Do not define for C++2a.
3677 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
3679 (reference_wrapper::operator()): Add static assertion.
3680 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
3682 * include/std/chrono (duration_values::zero(), duration_values::min())
3683 (duration_values::max()): Add noexcept.
3684 (duration::zero(), duration::min(), duration::max()): Likewise.
3685 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
3686 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
3687 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
3689 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
3691 2019-01-11 Jakub Jelinek <jakub@redhat.com>
3693 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
3694 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
3696 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
3699 * include/bits/functional_hash.h (hash<nullptr_t>): Define
3700 specialization for C++17 (P0513R0, LWG 2817).
3701 * testsuite/20_util/hash/nullptr.cc: New test.
3704 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
3705 pattern for std::basic_stringbuf::str().
3707 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
3708 basic_ostream::operator<< patterns.
3710 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
3712 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
3713 test failures on targets with 32-bit time_t.
3715 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
3716 * include/std/deque: Likewise.
3717 * include/std/forward_list: Likewise.
3718 * include/std/list: Likewise.
3719 * include/std/string: Likewise.
3720 * include/std/vector: Likewise.
3721 * include/std/version: Likewise.
3722 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
3723 * testsuite/23_containers/deque/erasure.cc: Likewise.
3724 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
3725 * testsuite/23_containers/list/erasure.cc: Likewise.
3726 * testsuite/23_containers/map/erasure.cc: Likewise.
3727 * testsuite/23_containers/set/erasure.cc: Likewise.
3728 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
3729 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
3730 * testsuite/23_containers/vector/erasure.cc: Likewise.
3732 * include/experimental/internet [AI_NUMERICSERV]
3733 (resolver_base::numeric_service): Define conditionally.
3734 * testsuite/experimental/net/internet/resolver/base.cc: Test it
3736 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
3739 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
3740 Jonathan Wakely <jwakely@redhat.com>
3743 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
3744 (GLIBCXX_3.4.26): Add new exports.
3745 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
3746 correct list of sources.
3747 * include/Makefile.in: Regenerate.
3748 * include/std/ostream (operator<<(nullptr_t)): New member function.
3749 * src/c++17/ostream-inst.cc: New file.
3750 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
3753 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
3755 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
3756 of the source file containing the caller.
3757 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
3758 directories created by test.
3759 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3761 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3763 * testsuite/experimental/filesystem/iterators/
3764 recursive_directory_iterator.cc: Likewise.
3766 2019-01-10 Jakub Jelinek <jakub@redhat.com>
3768 PR tree-optimization/88775
3769 * include/bits/stl_function.h (greater<_Tp*>::operator(),
3770 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
3771 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
3772 instead of __builtin_constant_p if available. Don't bother with
3773 the pointer comparison in C++11 and earlier.
3775 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
3779 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
3782 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
3784 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
3785 for filesystem::path. Give variables more distinctive names.
3787 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
3788 member function to perform non-trivial assignment.
3789 (_Optional_payload_base::_M_move_assign): Likewise.
3790 (_Optional_payload<T, true, false, true>::operator=)
3791 (_Optional_payload<T, true, true, false>::operator=)
3792 (_Optional_payload<T, true, false, false>::operator=): Call
3793 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
3796 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
3797 test std::complex<long double> if long double format is IBM128.
3798 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
3801 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
3803 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
3804 for old std::unique_ptr layout.
3805 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
3806 to become valueless. Add filesystem::path tests.
3809 * include/std/optional (_Optional_payload_base): New class template
3810 for common code hoisted from _Optional_payload specializations. Use
3811 a template for the union, to allow a partial specialization for
3812 types with non-trivial destructors. Add constructors for in-place
3813 initialization to the union.
3814 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
3815 to perform non-trivial copy construction, instead of relying on
3816 non-standard copy elision in a delegating constructor.
3817 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
3818 non-trivial move construction.
3819 (_Optional_payload): Derive from _Optional_payload_base and use it
3820 for everything except the non-trivial assignment operators, which are
3822 (_Optional_payload<false, C, M>): Derive from the specialization
3823 _Optional_payload<true, false, false> and add a destructor.
3824 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
3825 Forward to corresponding members of _Optional_payload.
3826 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
3827 Hoist common members from _Optional_base.
3828 (_Optional_base): Make all members and base class public.
3829 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
3830 _Optional_base_impl.
3831 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
3832 support for new std::optional layout.
3833 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
3836 * include/bits/locale_conv.h: Use <> for includes not "".
3837 * include/ext/random: Likewise.
3838 * include/ext/vstring.h: Likewise.
3840 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3842 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
3843 (GLIBCXX_3.4.21): Likewise.
3845 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
3848 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
3849 to match the one that controls whether utimbuf and utime are declared.
3851 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
3854 * include/bits/char_traits.h (char_traits::move): Do not pass null
3855 pointers to memmove.
3856 * include/bits/locale_facets.h
3857 (ctype<char>::widen(const char*, const char*, char*)): Do not
3858 pass null pointers to memcpy.
3859 (ctype<char>::narrow(const char*, const char*, char, char*)):
3861 (ctype<char>::do_widen(const char*, const char*, char*)):
3863 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
3866 * doc/xml/manual/spine.xml: Update copyright years.
3867 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
3868 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
3869 for C++17 filesystem library.
3870 * doc/html/*: Regenerate.
3872 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
3873 * config.h.in: Regenerate.
3874 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
3875 alphabetically and add missing entries for copy_symlink,
3876 hard_link_count, rename, and resize_file.
3877 * configure: Regenerate.
3878 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
3879 used unconditionally.
3880 * src/filesystem/ops-common.h (__gnu_posix::truncate)
3881 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
3882 supports truncating to zero length.
3883 * testsuite/27_io/filesystem/operations/all.cc: New test.
3884 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
3886 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
3889 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
3890 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
3891 * config.h.in: Regenerate.
3892 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
3893 remaining std::filesystem types and functions.
3894 * configure: Regenerate.
3895 * src/c++17/Makefile.am: Add C++17 filesystem sources.
3896 * src/c++17/Makefile.in: Regenerate.
3897 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
3898 here, and change name of included file.
3899 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
3900 here, and change name of included file.
3901 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
3902 path to dir-common.h.
3903 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
3904 path to ops-common.h. Disable -Wunused-parameter warnings.
3905 (internal_file_clock): Define unconditionally.
3906 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
3908 (do_copy_file, do_space): Move definitions to ops.common.h.
3909 (copy, file_size, hard_link_count, last_write_time, space): Only
3910 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
3912 (last_write_time, read_symlink): Remove unused attributes from
3914 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
3915 * src/filesystem/Makefile.in: Regenerate.
3916 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
3917 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
3918 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
3919 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
3920 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
3921 dummy types and functions instead of using #error.
3922 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
3923 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
3925 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
3926 (do_copy_file, do_space): Move definitions here from std-ops.cc.
3927 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
3928 to account for new namespace.
3929 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
3930 -lstdc++fs from dg-options.
3931 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
3932 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
3933 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
3934 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
3935 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
3937 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
3938 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3940 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
3941 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
3942 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
3943 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3944 * testsuite/27_io/filesystem/operations/create_directories.cc:
3946 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
3947 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
3948 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
3949 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
3950 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
3951 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
3952 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
3953 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
3954 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
3955 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
3956 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
3957 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
3958 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
3959 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
3960 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
3961 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
3962 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
3963 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
3965 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
3969 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
3970 typeinfo and vtables less greedy.
3971 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
3972 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
3973 * src/c++17/Makefile.in: Regenerate.
3974 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
3975 here, and change name of included file.
3976 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
3977 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
3979 * src/filesystem/Makefile.in: Regenerate.
3980 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
3981 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
3982 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
3983 from dg-options and remove dg-require-filesystem-ts.
3984 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
3985 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
3986 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
3987 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
3988 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
3989 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
3990 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
3991 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
3992 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
3993 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
3994 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
3995 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
3996 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
3997 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
3998 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
3999 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
4000 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
4001 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
4002 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
4003 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
4004 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
4006 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
4007 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
4008 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
4009 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
4010 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
4011 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
4012 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
4013 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
4014 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
4015 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
4016 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
4017 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
4019 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
4021 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4023 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
4025 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
4026 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4027 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
4028 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
4029 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
4030 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
4031 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
4032 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
4033 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
4034 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
4036 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
4037 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
4038 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
4039 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
4040 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
4043 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
4044 Check is_trivially_copyable instead of is_scalar.
4045 (variant::emplace<N, Args>(Args&&...)): If construction of the new
4046 contained value can throw and its type is trivially copyable then
4047 construct into a temporary variant and move from it, to provide the
4048 strong exception safety guarantee.
4049 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
4051 * testsuite/20_util/variant/87431.cc: New test.
4052 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
4053 conversion causes valueless state.
4056 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
4057 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
4058 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
4059 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
4060 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
4062 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
4064 * include/bits/fs_fwd.h (__file_clock): Define new clock.
4065 (file_time_type): Redefine in terms of __file_clock.
4066 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
4068 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
4070 (internal_file_lock): New helper type for accessing __file_clock.
4071 (do_copy_file): Use internal_file_lock to convert system time to
4073 (last_write_time(const path&, error_code&)): Likewise.
4074 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
4076 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
4078 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
4079 for const member functions of std::basic_string.
4080 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
4082 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
4083 Make non-standard constructor private.
4084 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
4086 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
4087 explicit instantiations for C++17 as well as earlier dialects.
4088 * src/c++17/Makefile.am: Add new source files.
4089 * src/c++17/Makefile.in: Regenerate.
4090 * src/c++17/cow-string-inst.cc: New file defining explicit
4091 instantiations for basic_string member functions added in C++17.
4092 * src/c++17/string-inst.cc: Likewise.
4094 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
4095 copy/move constructors for old std::basic_string.
4096 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
4097 (basic_string::reference, basic_string::const_reference): Define
4098 as plain references for C++11 and later.
4099 (basic_string::basic_string()): Put constructor body outside
4100 preprocessor conditional groups.
4101 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
4102 instead of copying it.
4103 (basic_string::basic_string(const basic_string&, const _Alloc&)):
4105 (basic_string::basic_string(basic_string&&, const _Alloc&)):
4107 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
4108 cases for old basic_string.
4109 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
4110 allocator-extended constructors unconditionally. Add extra members to
4111 allocator type when using old string ABI.
4112 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
4114 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
4116 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
4117 -fno-inline added to test flags.
4119 * testsuite/21_strings/basic_string/requirements/
4120 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
4122 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
4123 assertion failures with old std::string ABI.
4125 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
4127 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
4128 functions that will only erase elements at the end.
4129 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
4130 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
4131 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
4133 (path::_List::pop_back()): Define.
4134 (path::_List::_M_erase_from(const_iterator)): Define.
4135 (path::operator/=(const path&)): Use pop_back to remove last component
4136 and _M_erase_from to remove multiple components.
4137 (path::_M_append(basic_string_view<value_type>)): Likewise.
4138 (path::operator+=(const path&)): Likewise.
4139 (path::_M_concat(basic_string_view<value_type>)): Likewise.
4140 (path::remove_filename()): Likewise.
4141 (path::lexically_normal()): Use _List::_Impl iterators instead of
4142 path::iterator. Use pop_back to remove components from the end. Clear
4143 trailing filename, instead of using erase(const_iterator) to remove
4144 a non-final component.
4145 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
4147 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
4149 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
4150 incorrect treatment of empty filename after trailing slash.
4151 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
4153 * testsuite/21_strings/basic_string/modifiers/assign/char/
4154 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
4156 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
4157 move_assign_optim.cc: Likewise.
4159 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4160 Jakub Jelinek <jakub@redhat.com>
4163 * include/experimental/memory: Replace UTF-8 quote characters.
4164 * include/std/future: Replace UTF-8 "em dash" characters.
4166 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4169 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
4170 * include/debug/forward_list: Likewise.
4171 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
4173 * include/experimental/chrono: Likewise.
4174 * include/experimental/functional: Likewise.
4175 * include/experimental/ratio: Likewise.
4176 * include/experimental/system_error: Likewise.
4177 * include/experimental/tuple: Likewise.
4178 * include/experimental/type_traits: Likewise.
4179 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
4180 * include/parallel/multiseq_selection.h: Likewise.
4183 * config/abi/pre/gnu.ver: Add missing exports.
4184 * testsuite/22_locale/collate_byname/88681.cc: New test.
4185 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
4186 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
4188 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
4190 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
4191 initializer_list<value_type> and from input iterator ranges.
4192 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
4194 * testsuite/experimental/string_view/element_access/char/empty.cc:
4195 Fix year range in copyright header.
4197 2019-01-02 Joel Brobecker <brobecker@adacore.com>
4199 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
4200 Fix year range in copyright header.
4202 2019-01-01 Jakub Jelinek <jakub@redhat.com>
4204 Update copyright years.
4206 Copyright (C) 2019 Free Software Foundation, Inc.
4208 Copying and distribution of this file, with or without modification,
4209 are permitted in any medium without royalty provided the copyright
4210 notice and this notice are preserved.