1 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
3 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
5 * include/bits/c++config: Rename all macros of the form __PSTL* to
7 * include/std/algorithm: Likewise.
8 * include/std/execution: Likewise.
9 * include/std/numeric: Likewise.
10 * include/std/memory: Likewise.
11 * include/pstl/glue_memory_impl.h: Likewise.
12 * include/pstl/numeric_impl.h: Likewise.
13 * include/pstl/glue_memory_defs.h: Likewise.
14 * include/pstl/execution_defs.h: Likewise.
15 * include/pstl/utils.h: Likewise.
16 * include/pstl/algorithm_fwd.h: Likewise.
17 * include/pstl/unseq_backend_simd.h: Likewise.
18 * include/pstl/glue_execution_defs.h: Likewise.
19 * include/pstl/algorithm_impl.h: Likewise.
20 * include/pstl/parallel_impl.h: Likewise.
21 * include/pstl/memory_impl.h: Likewise.
22 * include/pstl/glue_numeric_defs.h: Likewise.
23 * include/pstl/parallel_backend_utils.h: Likewise.
24 * include/pstl/glue_algorithm_defs.h: Likewise.
25 * include/pstl/parallel_backend.h: Likewise.
26 * include/pstl/glue_numeric_impl.h: Likewise.
27 * include/pstl/parallel_backend_tbb.h: Likewise.
28 * include/pstl/numeric_fwd.h: Likewise.
29 * include/pstl/glue_algorithm_impl.h: Likewise.
30 * include/pstl/execution_impl.h: Likewise.
31 * include/pstl/pstl_config.h: Likewise.
32 * testsuite/util/pstl/pstl_test_config.h: Likewise.
33 * testsuite/util/pstl/test_utils.h: Likewise.
34 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
36 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
38 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
40 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
41 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
42 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
43 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
44 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
46 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
47 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
48 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
49 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
50 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
52 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
53 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
54 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
55 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
56 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
58 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
59 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
60 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
62 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
64 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
65 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
66 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
68 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
70 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
72 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
74 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
76 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
78 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
80 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
82 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
84 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
86 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
88 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
90 Rename header guards to be consistent with upstream project's
92 * include/pstl/glue_memory_impl.h: Rename all macros of the form
93 _PSTL_(.*)_H to _PSTL_\U\1_H.
94 * include/pstl/numeric_impl.h: Likewise.
95 * include/pstl/glue_memory_defs.h: Likewise.
96 * include/pstl/execution_defs.h: Likewise.
97 * include/pstl/utils.h: Likewise.
98 * include/pstl/algorithm_fwd.h: Likewise.
99 * include/pstl/unseq_backend_simd.h: Likewise.
100 * include/pstl/glue_execution_defs.h: Likewise.
101 * include/pstl/algorithm_impl.h: Likewise.
102 * include/pstl/parallel_impl.h: Likewise.
103 * include/pstl/memory_impl.h: Likewise.
104 * include/pstl/glue_numeric_defs.h: Likewise.
105 * include/pstl/parallel_backend_utils.h: Likewise.
106 * include/pstl/glue_algorithm_defs.h: Likewise.
107 * include/pstl/parallel_backend.h: Likewise.
108 * include/pstl/glue_numeric_impl.h: Likewise.
109 * include/pstl/parallel_backend_tbb.h: Likewise.
110 * include/pstl/numeric_fwd.h: Likewise.
111 * include/pstl/glue_algorithm_impl.h: Likewise.
112 * include/pstl/execution_impl.h: Likewise.
113 * include/pstl/pstl_config.h: Likewise.
114 * testsuite/util/pstl/pstl_test_config.h: Likewise.
116 Synchronize libstdc++ parallel algorithms with upstream
118 * include/pstl/algorithm_fwd.h: Synchronize with
119 upstream PSTL project.
120 * include/pstl/algorithm_impl.h: Likewise.
121 * include/pstl/execution_defs.h: Likewise.
122 * include/pstl/execution_impl.h: Likewise.
123 * include/pstl/glue_algorithm_impl.h: Likewise.
124 * include/pstl/glue_execution_defs.h: Likewise.
125 * include/pstl/numeric_fwd.h: Likewise.
126 * include/pstl/numeric_impl.h: Likewise.
127 * include/pstl/parallel_backend.h: Likewise.
128 * include/pstl/pstl_config.h: Likewise.
129 * include/pstl/unseq_backend_simd.h: Likewise.
130 * include/pstl/parallel_backend_serial.h: New file.
131 * include/Makefile.am (pstl_headers): Add
132 parallel_backend_serial.h.
133 * include/Makefile.in: Regenerate.
135 Clean up non-conforming names
136 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
137 Uglfiy copy_range1 and copy_range2
138 (__pattern_walk2_n): Rename local n to __n
139 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
140 Rename parameter _T to _Tp.
142 Integrate non-TBB serial backend support
143 * include/bits/c++config: Adjust TBB detection logic to select serial
144 PSTL backend if no TBB present.
145 * testsuite/utils/pstl/test_utils.h: Remove check for
146 _PSTL_USE_PAR_POLICIES
148 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
150 * testsuite/24_iterators/container_access.cc: Move dg-options before
151 dg-do directive so the target check uses the -std option.
154 * configure: Regenerate.
155 * src/Makefile.am (stamp-debug): Also test for missing makefile.
156 * src/Makefile.in: Regenerate.
158 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
160 * include/std/array: Do not include <stdexcept>.
161 * include/std/optional: Include <exception> and
162 <bits/exception_defines.h> instead of <stdexcept>.
163 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
165 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
167 * testsuite/23_containers/map/erasure.cc: Include <string>.
168 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
170 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
171 dg-prune-output for different C++98 diagnostic.
172 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
174 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
176 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
178 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
180 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
182 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
184 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
186 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
188 * testsuite/23_containers/vector/requirements/dr438/
189 constructor_1_neg.cc: Likewise.
190 * testsuite/23_containers/vector/requirements/dr438/
191 constructor_2_neg.cc: Likewise.
192 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
194 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
196 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
197 Do not test allocator rebinding extension for C++2a.
198 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
199 dg-do directive for C++17 and C++2a.
201 * testsuite/23_containers/deque/requirements/explicit_instantiation/
202 1_c++0x.cc: Remove redundant test.
203 * testsuite/23_containers/deque/requirements/explicit_instantiation/
204 2.cc: Use target selector instead of preprocessor condition.
205 * testsuite/23_containers/deque/requirements/explicit_instantiation/
206 3.cc: Do not run test for C++2a.
207 * testsuite/23_containers/forward_list/requirements/
208 explicit_instantiation/3.cc: Likewise.
209 * testsuite/23_containers/forward_list/requirements/
210 explicit_instantiation/5.cc: Do not test allocator rebinding extension
212 * testsuite/23_containers/list/requirements/explicit_instantiation/
213 1_c++0x.cc: Remove redundant test.
214 * testsuite/23_containers/list/requirements/explicit_instantiation/
215 2.cc: Use target selector instead of preprocessor condition.
216 * testsuite/23_containers/list/requirements/explicit_instantiation/
217 3.cc: Do not run test for C++2a.
218 * testsuite/23_containers/list/requirements/explicit_instantiation/
219 5.cc: Do not test allocator rebinding extension for C++2a.
220 * testsuite/23_containers/map/requirements/explicit_instantiation/
221 1_c++0x.cc: Remove redundant test.
222 * testsuite/23_containers/map/requirements/explicit_instantiation/
223 2.cc: Adjust comment.
224 * testsuite/23_containers/map/requirements/explicit_instantiation/
225 3.cc: Do not run test for C++2a.
226 * testsuite/23_containers/map/requirements/explicit_instantiation/
227 5.cc: Do not test allocator rebinding extension for C++2a.
228 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
229 1_c++0x.cc: Remove redundant test.
230 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
231 3.cc: Do not run test for C++2a.
232 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
233 5.cc: Do not test allocator rebinding extension for C++2a.
234 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
235 3.cc: Do not run test for C++2a.
236 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
237 5.cc: Do not test allocator rebinding extension for C++2a.
238 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
239 Do not run test for C++2a.
240 * testsuite/23_containers/set/requirements/explicit_instantiation/
241 1_c++0x.cc: Remove redundant test.
242 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
243 Do not test allocator rebinding extension for C++2a.
244 * testsuite/23_containers/unordered_map/requirements/
245 explicit_instantiation/3.cc: Likewise.
246 * testsuite/23_containers/unordered_map/requirements/
247 explicit_instantiation/5.cc: Do not test allocator rebinding extension
249 * testsuite/23_containers/unordered_multimap/requirements/
250 explicit_instantiation/3.cc: Do not run test for C++2a.
251 * testsuite/23_containers/unordered_multimap/requirements/
252 explicit_instantiation/5.cc: Do not test allocator rebinding extension
254 * testsuite/23_containers/unordered_multiset/requirements/
255 explicit_instantiation/3.cc: Do not run test for C++2a.
256 * testsuite/23_containers/unordered_multiset/requirements/
257 explicit_instantiation/5.cc: Do not test allocator rebinding extension
259 * testsuite/23_containers/unordered_set/requirements/
260 explicit_instantiation/3.cc: Do not run test for C++2a.
261 * testsuite/23_containers/unordered_set/requirements/
262 explicit_instantiation/5.cc: Do not test allocator rebinding extension
264 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
265 2.cc: Remove redundant test.
266 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
267 3.cc: Do not run test for C++2a.
268 * testsuite/23_containers/vector/requirements/explicit_instantiation/
271 * include/std/type_traits (is_empty, is_polymorphic, is_final)
272 (is_abstract, is_aggregate): Remove static_assert.
273 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
275 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
276 missing -std=gnu++17 option.
277 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
278 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
279 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
282 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
283 * testsuite/18_support/set_unexpected.cc: Likewise.
284 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
286 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
287 function to be valid in C++11.
288 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
289 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
290 include Library Fundamentals or Networking headers in C++11 mode.
291 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
293 * include/std/tuple (_TC): Replace with _TupleConstraints.
294 (_TupleConstraints): New helper for SFINAE constraints, with more
295 expressive member functions to reduce duplication when used.
296 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
297 (tuple::_TCC): Replace dummy type parameter with bool non-type
298 parameter that can be used to check the pack size.
299 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
300 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
301 checking constraints in constructors.
302 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
304 (tuple::tuple): Use new helpers to reduce repitition in constraints.
305 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
306 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
307 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
308 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
309 constraints in constructors.
310 (tuple::__is_alloc_arg()): New SFINAE helpers.
311 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
313 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
314 * testsuite/20_util/tuple/cons/90700.cc: New test.
315 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
316 to meet new constraint on allocator-extended default constructor.
318 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
320 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
321 * include/bits/stl_multimap.h (multimap): Likewise.
323 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
325 Rename variables and cleanup comments.
326 * include/bits/hashtable_policy.h
327 * include/bits/hashtable.h
329 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
331 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
332 Fix bgcolor for P0340R3.
333 * doc/html/*: Regenerate.
336 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
337 <experimental/memory_resource>.
338 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
339 P0339R6, P0340R3, P1164R1 and P1357R1.
340 * doc/html/*: Regenerate.
342 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
343 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
344 allocator::value_type assertion for C++2a.
345 * include/bits/hashtable.h: Likewise.
346 * include/bits/stl_deque.h: Likewise.
347 * include/bits/stl_list.h: Likewise.
348 * include/bits/stl_map.h: Likewise.
349 * include/bits/stl_multimap.h: Likewise.
350 * include/bits/stl_multiset.h: Likewise.
351 * include/bits/stl_set.h: Likewise.
352 * include/bits/stl_vector.h: Likewise.
353 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
354 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
355 * testsuite/23_containers/list/48101-3_neg.cc: New test.
356 * testsuite/23_containers/map/48101-3_neg.cc: New test.
357 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
358 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
359 * testsuite/23_containers/set/48101-3_neg.cc: New test.
360 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
361 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
362 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
363 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
364 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
366 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
368 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
370 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
372 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
374 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
376 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
378 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
380 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
383 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
384 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
385 * libsupc++/eh_term_handler.h: New header defining
386 _GLIBCXX_DEFAULT_TERM_HANDLER.
387 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
388 (set_terminate): Restore default handler when argument is null.
389 (set_unexpected): Likewise.
390 * testsuite/18_support/set_terminate.cc: New test.
391 * testsuite/18_support/set_unexpected.cc: New test.
393 * include/backward/hashtable.h (size_t, ptrdiff_t)
394 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
395 (distance, vector, pair, __iterator_category): Remove
396 using-declarations that add these names to namespace __gnu_cxx.
397 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
398 * include/ext/debug_allocator.h (size_t): Likewise.
399 * include/ext/functional (size_t, unary_function, binary_function)
400 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
402 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
403 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
404 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
405 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
406 * include/ext/numeric (iota): Fix outdated comment.
407 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
408 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
409 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
410 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
411 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
413 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
414 (allocator, __true_type, __false_type): Likewise.
416 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
419 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
420 New helpers for checking preconditions in traits.
421 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
422 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
423 (is_destructible, is_nothrow_destructible, is_constructible)
424 (is_default_constructible, is_copy_constructible)
425 (is_move_constructible, is_nothrow_default_constructible)
426 (is_nothrow_constructible, is_nothrow_copy_constructible)
427 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
428 (is_nothrow_assignable, is_nothrow_copy_assignable)
429 (is_nothrow_move_assignable, is_trivially_constructible)
430 (is_trivially_copy_constructible, is_trivially_move_constructible)
431 is_trivially_assignable, is_trivially_copy_assignable)
432 (is_trivially_move_assignable, is_trivially_destructible)
433 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
434 (is_invocable_r, is_nothrow_invocable)
435 (has_unique_object_representations, is_aggregate): Add static_asserts
436 to make sure that type traits are not misused with incomplete types.
437 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
438 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
439 base characteristics without assertions that can be reused in other
441 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
442 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
444 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
445 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
446 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
447 * testsuite/20_util/is_class/value.cc: Check incomplete type.
448 * testsuite/20_util/is_function/value.cc: Likewise.
449 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
450 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
452 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
453 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
454 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
455 * testsuite/20_util/is_union/value.cc: Likewise.
456 * testsuite/20_util/is_void/value.cc: Likewise.
457 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
459 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
461 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
462 Add new private member function.
463 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
464 (random_device::_M_init_pretr1(const string&)): Call new private
465 member with string data.
466 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
468 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
469 test using COW strings.
470 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
471 a value from the device.
472 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
473 Fix typo in token string.
475 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
477 LWG2788 basic_string spurious use of a default constructible allocator
478 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
479 (basic_string::_M_replace_dispatch): Construct temporary string with
480 the current allocator.
481 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
482 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
484 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
486 * doc/xml/manual/diagnostics.xml: Update list of headers that define
488 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
489 section about new/delete overloads. Improve section on verbose
491 * doc/html/*: Regenerate.
493 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
494 P0811R3. Change status of P1353R0.
495 * doc/html/*: Regenerate.
497 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
498 documentation of implementation-defined types for [thread.req.native].
499 * doc/xml/manual/status_cxx2017.xml: Update documentation of
500 implementation-defined strings for [variant.bad.access]. Fix typo in
501 documentation of implementation-defined support for [fs.conform.9945].
502 * doc/html/*: Regenerate.
504 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
507 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
508 that fails on mingw-w64.
511 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
512 (status(const path&, error_code&)): Use parent_path() to remove
514 (symlink_status(const path&, error_code&)): Duplicate workaround for
515 bug in _wstat for paths with trailing slash.
516 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
518 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
519 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
521 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
522 once instead of building it iteratively.
524 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
526 PR libstdc++/85494 use rdseed and rand_s in std::random_device
527 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
528 the assembler supports rdseed.
529 * config.h.in: Regenerate.
530 * configure: Regenerate.
531 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
532 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
533 * doc/html/*: Regenerate.
534 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
535 * include/bits/random.h (random_device::random_device()): Always call
536 _M_init rather than _M_init_pretr1.
537 (random_device::random_device(const string&)): Likewise.
538 (random_device::operator()()): Always call _M_getval().
539 (random_device::_M_file): Replace first member of union with an
540 anonymous struct, with _M_file as its first member.
541 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
542 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
543 (USE_MT19937): Define if none of the above are defined.
544 (USE_POSIX_FILE_IO): Define.
545 (_M_strtoul): Remove.
546 [USE_RDSEED] (__x86_rdseed): Define new function.
547 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
548 (random_device::_M_init(const string&)): Initialize new union members.
549 Add support for "rdseed" and "rand_s" tokens. Decide what the
550 "default" token does according to which USE_* macros are defined.
551 [USE_POSIX_FILE_IO]: Store a file descriptor.
552 [USE_MT19937]: Forward to _M_init_pretr1 instead.
553 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
554 code from _M_strtoul.
555 [!USE_MT19937]: Call _M_init, transforming the old default token or
556 numeric tokens to "default".
557 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
558 (random_device::_M_getval()): Use new union members to obtain a
559 random number from the stored function pointer or file descriptor.
560 [USE_MT19937]: Obtain a value from the mt19937 engine.
561 (random_device::_M_getval_pretr1()): Call _M_getval().
562 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
564 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
565 * testsuite/26_numerics/random/random_device/85494.cc: New test.
567 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
570 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
571 _M_split_cmpts() for a path with multiple components.
572 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
573 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
574 components and reserve space in vector. Return early when there is
576 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
577 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
579 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
580 form of std::equals for C++11 compatibility.
582 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
584 * doc/xml/manual/appendix_contributing.xml: Update pointer to
585 C++ standard at ansi.org.
587 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
589 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
590 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
593 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
594 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
596 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
598 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
600 * testsuite/20_util/function_objects/invoke/3.cc: New test.
601 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
602 "compile" test to "run".
604 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
605 * doc/html/*: Regenerate.
606 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
607 rvalue aliasing constructor.
608 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
609 (reinterpret_pointer_cast): Add overloads taking rvalues.
610 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
611 Add rvalue aliasing constructor.
612 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
613 "run" and check return values as well as types.
614 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
615 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
616 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
617 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
620 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
621 * doc/xml/manual/intro.xml: Likewise.
622 * include/std/future (__create_task_state): Add default arguments
623 to make providing an allocator optional.
624 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
625 instead of delegating to another constructor.
626 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
627 define allocator-extended constructors for C++17 and later.
628 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
630 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
631 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
632 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
634 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
636 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
637 Don't run the libstdc++/83237 part on simulator targets.
639 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
641 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
643 * doc/html/*: Regenerate.
645 * include/experimental/any (__any_caster): Use RTTI if comparing
646 addresses fails, to support non-unique addresses in shared libraries.
647 * include/std/any (__any_caster): Likewise.
650 * include/experimental/any (__any_caster): Constrain to only be
651 callable for object types. Use remove_cv_t instead of decay_t.
652 If the type decays or isn't copy constructible, compare the manager
653 function to a dummy specialization.
654 (__any_caster): Add overload constrained for non-object types.
655 (any::_Manager_internal<_Op>): Add dummy specialization.
656 * testsuite/experimental/any/misc/any_cast.cc: Test function types
659 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
662 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
663 reversed arguments to uninitialized_copy_n.
664 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
665 is unchanged by copy assignment.
666 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
667 compare path components.
670 * include/experimental/memory_resource: Add system header pragma and
671 do not define anything unless compiled as C++14 or later.
672 (__resource_adaptor_common::__guaranteed_alignment): Remove.
673 (__resource_adaptor_imp::do_allocate): If the requested alignment
674 is a fundamental alignment then either allocate directly from _M_alloc
675 or call the new _M_allocate function.
676 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
677 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
678 of the allocator rebound to a POD type with the specified alignment.
679 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
680 * testsuite/experimental/memory_resource/new_delete_resource.cc:
681 Adjust expected allocation sizes.
682 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
683 xfail for Solaris x86.
685 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
687 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
688 * include/pstl/execution_defs.h (__enable_if_execution_policy):
689 Use std::__remove_cvref_t when building with GCC.
691 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
694 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
695 Use "additional_flags" to pass -ltbb to v3_target_compile command.
696 Use check_v3_target_prop_cached to cache the result of the test.
698 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
700 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
703 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
704 Changed v3_target_compile check from preprocess to executable.
705 Added "-ltbb" to v3_target_compile flags.
707 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
709 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
710 Add check for Thread Building Blocks 2018 or later.
712 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
714 * testsuite/experimental/names.cc: Only include Networking TS headers
715 on targets with the necessary Gthreads support.
717 2019-05-20 Marek Polacek <polacek@redhat.com>
719 CWG 2094 - volatile scalars are trivially copyable.
721 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
722 result for volatile int.
724 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
726 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
727 * testsuite/experimental/names.cc: Include <experimental/filesystem>
730 PR c++/90532 Ensure __is_constructible(T[]) is false
731 * include/std/type_traits (__do_is_default_constructible_impl)
732 (__is_default_constructible_atom, __is_default_constructible_safe):
734 (is_default_constructible): Use is_constructible.
735 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
736 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
737 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
738 * testsuite/20_util/is_trivially_default_constructible/value.cc:
741 2019-05-20 Pádraig Brady <pbrady@fb.com>
743 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
744 to the deallocator with -fsized-deallocation.
746 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
748 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
749 test by passing correct alignment to deallocate function.
751 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
754 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
755 Raise exception if unique_ptr tuple member has unknown structure.
756 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
757 Adjust worker to support new __uniq_ptr_data base class. Do not
758 assume field called _M_head_impl is the first tuple element.
760 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
762 * include/bits/stl_deque.h
763 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
764 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
765 (_Deque_base::_Deque_impl_data): New.
766 (_Deque_base::_Deque_impl): Inherit latter.
767 (_Deque_base::_Deque_impl::_M_swap_data): Move...
768 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
769 (_Deque_base::_Deque_impl()): Add noexcept qualification.
770 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
771 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
772 (deque<>::deque()): Default.
773 (deque<>::deque(deque&&)): Default.
774 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
775 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
776 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
777 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
779 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
780 (deque<>::resize(size_type, const value_type&)): Share a single
782 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
784 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
785 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
786 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
787 * testsuite/23_containers/deque/allocator/default_init.cc: New.
789 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
792 * include/std/variant (holds_alternative, get, get_if): Improve
793 static assertion messages.
794 (bad_variant_access::bad_variant_access()): Change default message.
795 (__throw_bad_variant_access(bool)): New overload.
796 (get): Use new overload.
797 (visit, visit<R>): Improve exception message.
799 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
800 targets. Add more cases from P0608R3.
801 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
803 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
804 * include/experimental/type_traits (is_detected_exact)
805 (is_detected_exact_v): Likewise.
806 * include/pstl/execution_defs.h (is_execution_policy)
807 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
808 * include/pstl/execution_impl.h (__policy_traits): Likewise.
809 * testsuite/17_intro/names.cc: Check for more non-reserved names.
810 * testsuite/experimental/names.cc: New test.
813 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
814 assertions from the destructor.
815 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
816 Move static_assert for hash function to here.
817 (_Hash_table_base::_M_equals): Move static_assert for equality
819 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
821 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
822 the value directly instead of calling _S_value.
823 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
824 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
825 _S_key(_Const_Link_type).
826 * testsuite/23_containers/set/85965.cc: Check construction,
827 destruction, assignment and size() do not trigger the assertions.
828 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
829 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
831 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
832 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
833 * testsuite/23_containers/set/48101_neg.cc: Likewise.
834 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
835 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
836 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
837 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
839 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
840 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
843 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
845 * doc/html/*: Regenerate.
846 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
847 of decay_t (P0777R1).
849 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
851 Move from state of allocators (LWG2593)
852 * include/bits/stl_deque.h
853 (_Deque_base(_Deque_base&&, false_type)): Remove.
854 (_Deque_base(_Deque_base&&, true_type)): Remove.
855 (_Deque_base(_Deque_base&&)): Adapt.
856 (_Deque_base::_M_move_impl()): Remove.
857 * testsuite/util/testsuite_allocator.h
858 (propagating_allocator(propagating_allocator&&)): Preserve move from
860 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
862 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
864 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
865 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
866 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
868 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
870 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
871 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
873 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
875 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
877 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
879 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
881 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
883 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
885 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
888 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
890 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
891 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
893 * include/std/variant (__overload_set): Remove.
895 (_Build_FUN): New class template to define a single FUN overload,
896 with specializations to prevent unwanted conversions, as per P0608R3.
897 (_Build_FUNs): New class template to build an overload set of FUN.
898 (_FUN_type): New alias template to perform overload resolution.
899 (__accepted_type): Use integer_constant base for failure case. Use
900 _FUN_type for successful case.
901 (variant::__accepted_index): Use _Tp instead of _Tp&&.
902 (variant::variant(_Tp&&)): Likewise.
903 (variant::operator=(_Tp&&)): Likewise.
905 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
906 Replace raw visitation with a runtime check for the valueless state
907 and a non-raw visitor.
908 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
909 (variant::index()): Remove branch.
910 (variant::swap(variant&)): Use valueless_by_exception() instead of
911 comparing the index to variant_npos, and add likelihood attribute.
913 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
914 (_Hashtable_base::_Equal_hash_code): Define new class template.
915 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
918 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
919 Replace with _M_get non-static member function.
920 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
922 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
923 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
925 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
926 _S_get accessors for members in EBO helpers.
927 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
928 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
930 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
932 (_Hashtable_base::_M_eq()): Remove non-const overload.
934 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
936 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
938 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
940 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
943 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
945 * config/os/solaris/solaris2.10: Move to ...
946 * config/os/solaris: ... this.
947 * configure.host (os_include_dir): Adapt.
948 (abi_baseline_pair): Remove Solaris 10 handling.
949 * config/abi/post/i386-solaris2.10: Remove.
950 * config/abi/post/sparc-solaris2.10: Remove.
951 * config/abi/post/i386-solaris2.11: Rename to ...
952 * config/abi/post/i386-solaris: ... this.
953 * config/abi/post/sparc-solaris2.11: Rename to ...
954 * config/abi/post/sparc-solaris: ... this.
956 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
959 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
962 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
964 * include/std/variant (__visit_with_index): Remove typedef.
965 (__deduce_visit_result): New tag type.
966 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
967 visitation of possibly-valueless variants, forwarding to __do_visit
968 with the relevant tag type.
969 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
970 and make lambda return void.
971 (__variant_construct): Likewise.
972 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
973 __raw_idx_visit and make lambda return void.
974 (_Multi_array::__untag_result): Add metafunction to check the function
975 pointer type for a tag type that dictates the kind of visitation.
976 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
977 Use decltype(auto) instead of tagged function pointer type.
978 (__gen_vtable_impl): Remove bool non-type parameter and unused
979 _Variant_tuple parameter.
980 (__gen_vtable_impl::__visit_invoke_impl): Remove.
981 (__gen_vtable_impl::__do_visit_invoke): Remove.
982 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
983 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
984 for the visit<R> case, rather than dispatching to separate functions.
985 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
987 (variant::swap): Likewise.
988 (__do_visit): Replace two non-type template parameters with a single
989 type parameter, so that the caller must specify the visitor's return
990 type (or one of the tag types).
991 (visit): Deduce a return type from the visitor and use the
992 __deduce_visit_result tag to enforce that all overloads return the
994 (visit<R>): Call __do_visit<R> with explicit result type.
995 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
998 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1000 nonesuch is insufficiently useless (lwg2996)
1001 * include/std/type_traits (struct __nonesuch): Added private base
1002 class to make __nonesuch not an aggregate and removed deleted default
1004 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
1005 (operator=(const pair&)): Use __nonesuch instead of
1006 __nonesuch_no_braces.
1007 (operator=(pair&&)): Likewise
1008 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
1009 of __nonesuch_no_braces.
1010 (operator=(tuple&&)): Likewise
1011 * include/experimental/type_traits (struct nonesuch): Added private
1012 base class to make nonesuch not an aggregate and removed deleted
1013 default constructor.
1014 * testsuite/20_util/nonesuch/nonesuch.cc: New.
1015 * testsuite/experimental/type_traits/nonesuch.cc: New.
1017 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1019 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
1020 (_Function_handler): Remove partial specializations for void return
1021 types and pointers to member.
1022 (_Function_handler::_M_manager): Adapt to removal of
1023 _Simple_type_wrapper.
1024 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
1025 * include/std/functional (_Bind_result::__enable_if_void)
1026 (_Bind_result::__disable_if_void): Remove sfinae helpers.
1027 (_Bind_result::__call): Use __invoke_r and remove overloads for void
1029 * include/std/future (__future_base::_Task_state::_M_run)
1030 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
1031 change return type of lambda expressions.
1033 * include/bits/invoke.h (__invoke_r): Define new function implementing
1034 the INVOKE<R> pseudo-function.
1035 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
1036 * testsuite/20_util/function_objects/invoke/2.cc: New test.
1038 * include/std/type_traits (__is_nt_convertible_helper): Define it
1039 unconditionally, not only for C++20.
1040 (__is_nothrow_convertible): Define internal trait for use in C++11.
1041 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
1042 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
1043 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
1044 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
1045 that has nothrow explicit conversion but potentially-throwing implicit
1047 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
1048 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
1049 function to only consider implicit conversions.
1050 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
1052 * include/std/iterator: Include <iosfwd> instead of <istream> and
1055 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
1056 Remove unused, non-standard function.
1058 * include/bits/regex.h (match_results::max_size()): Adjust return
1059 value to account for prefix/suffix/unmatched subs.
1060 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
1061 reset the contained sub matches.
1062 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
1063 function to set result state following a failed match.
1064 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
1065 sub_match states after _M_resize. Use _M_establish_failed_match.
1068 * include/std/thread (thread::_State_impl, thread::_S_make_state):
1069 Replace single _Callable parameter with variadic _Args pack, to
1070 forward them directly to the tuple of decayed copies.
1071 * testsuite/30_threads/thread/cons/69724.cc: New test.
1073 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1075 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
1076 * include/bits/basic_string.h: (operator=(const basic_string&):
1077 Move allocator decision to assign.
1078 (assign(const basic_string&)): Move allocator decision here.
1079 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
1081 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
1084 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1086 * testsuite/util/testsuite_allocator.h (memory_resource)
1087 (default_resource_mgr): Fix indentation.
1089 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
1090 Use operator-> to access raw pointer member.
1091 * testsuite/23_containers/vector/59829.cc: Likewise.
1092 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
1093 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
1094 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
1096 (PointerBase, PointerBase_void): Derive from NullablePointer and use
1097 its constructors and equality operators. Change converting
1098 constructors to use operator-> to access private member of the other
1100 (PointerBase_void::operator->()): Add, for access to private member.
1101 (operator-(PointerBase, PointerBase)): Change to hidden friend.
1102 (operator==(PointerBase, PointerBase)): Remove.
1103 (operator!=(PointerBase, PointerBase)): Remove.
1105 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
1106 not assume field called _M_head_impl is the first tuple element.
1107 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
1108 implementation more accurate.
1109 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
1110 empty pointer type and non-empty deleter.
1112 LWG 2899 - Make is_move_constructible correct for unique_ptr
1113 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
1114 move assignment operator.
1115 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
1116 (__uniq_ptr_data): New class template with conditionally deleted
1118 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
1119 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
1120 constructor and move assignment operator as defaulted.
1121 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
1122 __uniq_ptr_impl::release().
1123 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
1124 to __uniq_ptr_impl::reset(pointer).
1125 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
1126 Check for new __uniq_ptr_data type.
1127 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
1129 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1131 PR libstdc++/90454.cc path construction from void*
1132 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
1133 pointers to void are rejected as well as void.
1134 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
1135 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
1137 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
1139 * doc/xml/manual/policy_data_structures.xml: Comment out stray
1140 <remark> elements. Fix formatting of bibliography references.
1142 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
1144 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
1146 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1148 Remove Profile Mode, deprecated since 7.1.0
1149 * doc/Makefile.am: Remove XML file for profile mode docs.
1150 * doc/Makefile.in: Regenerate.
1151 * doc/xml/authors.xml: Remove authors of profile mode docs.
1152 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
1154 * doc/xml/manual/debug.xml: Likewise.
1155 * doc/xml/manual/evolution.xml: Document removal of profile mode.
1156 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
1157 * doc/xml/manual/spine.xml: Remove profile mode author credit.
1158 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
1160 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
1162 * doc/html/*: Regenerate.
1163 * include/Makefile.am: Remove profile mode headers.
1164 * include/Makefile.in: Regenerate.
1165 * include/bits/c++config (std::__profile): Remove namespace.
1166 [_GLIBCXX_PROFILE]: Remove checks for macro.
1167 * include/profile/array: Remove.
1168 * include/profile/base.h: Remove.
1169 * include/profile/bitset: Remove.
1170 * include/profile/deque: Remove.
1171 * include/profile/forward_list: Remove.
1172 * include/profile/impl/profiler.h: Remove.
1173 * include/profile/impl/profiler_algos.h: Remove.
1174 * include/profile/impl/profiler_container_size.h: Remove.
1175 * include/profile/impl/profiler_hash_func.h: Remove.
1176 * include/profile/impl/profiler_hashtable_size.h: Remove.
1177 * include/profile/impl/profiler_list_to_slist.h: Remove.
1178 * include/profile/impl/profiler_list_to_vector.h: Remove.
1179 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
1180 * include/profile/impl/profiler_node.h: Remove.
1181 * include/profile/impl/profiler_state.h: Remove.
1182 * include/profile/impl/profiler_trace.h: Remove.
1183 * include/profile/impl/profiler_vector_size.h: Remove.
1184 * include/profile/impl/profiler_vector_to_list.h: Remove.
1185 * include/profile/iterator_tracker.h: Remove.
1186 * include/profile/list: Remove.
1187 * include/profile/map: Remove.
1188 * include/profile/map.h: Remove.
1189 * include/profile/multimap.h: Remove.
1190 * include/profile/multiset.h: Remove.
1191 * include/profile/ordered_base.h: Remove.
1192 * include/profile/set: Remove.
1193 * include/profile/set.h: Remove.
1194 * include/profile/unordered_base.h: Remove.
1195 * include/profile/unordered_map: Remove.
1196 * include/profile/unordered_set: Remove.
1197 * include/profile/vector: Remove.
1198 * scripts/run_doxygen: Do not process profile mode headers.
1199 * testsuite/23_containers/array/element_access/60497.cc: Don't use
1201 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
1202 Remove dg-skip-if for profile mode.
1203 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
1204 preprocessor check for profile mode.
1205 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
1206 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
1208 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
1210 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
1211 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
1212 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
1213 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
1214 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
1216 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
1218 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
1220 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
1222 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
1223 preprocessor check for profile mode.
1224 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
1226 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
1227 Remove dg-skip-if for profile mode.
1228 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
1229 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
1230 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
1231 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
1232 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
1233 * testsuite/Makefile.am: Remove profile_flags variable and
1234 * testsuite/Makefile.am: Remove profile_flags variable and
1235 check-profile target.
1236 * testsuite/Makefile.in: Regenerate.
1237 * testsuite/ext/profile/all.cc: Remove.
1238 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
1239 * testsuite/ext/profile/profiler_algos.cc: Remove.
1240 * testsuite/ext/profile/replace_new.cc: Remove.
1241 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
1242 preprocessor check for profile mode.
1243 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1244 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
1245 (check_v3_target_normal_mode): Do not check for profile mode macro.
1246 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
1248 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
1249 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1250 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1251 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
1252 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
1253 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1254 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1255 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1256 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1257 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1259 Remove array_allocator extension, deprecated since 4.9.0
1260 * doc/xml/manual/allocator.xml: Remove documentation for
1262 * doc/xml/manual/evolution.xml: Document array_allocator removal.
1263 * doc/xml/manual/using.xml: Remove header from documentation.
1264 * include/Makefile.am: Remove <ext/array_allocator.h> header.
1265 * include/Makefile.in: Regenerate.
1266 * include/ext/array_allocator.h: Remove.
1267 * include/precompiled/extc++.h: Do not include removed header.
1268 * testsuite/ext/array_allocator/1.cc: Remove.
1269 * testsuite/ext/array_allocator/2.cc: Remove.
1270 * testsuite/ext/array_allocator/26875.cc: Remove.
1271 * testsuite/ext/array_allocator/3.cc: Remove.
1272 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
1273 * testsuite/ext/array_allocator/check_delete.cc: Remove.
1274 * testsuite/ext/array_allocator/check_new.cc: Remove.
1275 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
1276 * testsuite/ext/headers.cc: Do not include removed header.
1278 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
1280 * include/bits/stl_bvector.h
1281 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1283 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1285 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1287 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
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 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
1297 (_Bit_iterator::operator-(difference_type)): Likewise.
1298 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
1299 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
1301 (_Bit_const_iterator::operator-(difference_type)): Likewise.
1302 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
1304 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
1307 * testsuite/util/thread/all.h: Do not use remove_pointer for
1308 std::thread::native_handle_type.
1311 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
1312 (_Variant_storage<true, Types...>::_M_reset()))
1313 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
1314 (__get_storage): Likewise.
1315 (variant): Add noexcept to friend declarations for __get and
1319 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
1320 Use _Require for constraints.
1321 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
1323 (__uniq_ptr_hash): New base class with conditionally-disabled call
1325 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
1326 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
1327 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
1329 * include/bits/shared_ptr.h: Improve docs.
1330 * include/bits/shared_ptr_base.h: Likewise.
1331 * include/bits/stl_uninitialized.h: Likewise.
1332 * include/bits/unique_ptr.h: Likewise.
1333 * libsupc++/new: Likewise.
1335 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
1337 * include/bits/stl_deque.h
1338 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1340 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1342 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1344 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1346 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1348 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1350 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
1352 (_Deque_iterator<>::operator-(difference_type)): Likewise.
1354 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
1357 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
1358 (test01): Reserve for number of insertions to avoid rehash during test.
1359 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1361 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1366 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
1368 * include/experimental/bits/fs_path.h: Improve docs.
1369 * include/experimental/bits/net.h: Fix wrong header name in comment.
1370 Do not document implementation details.
1371 * include/experimental/netfwd: Fix doxygen grouping.
1373 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1375 * include/bits/stl_pair.h: Improve docs.
1376 * include/std/tuple: Likewise.
1378 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
1380 * include/std/chrono: Improve docs.
1381 * include/std/ratio: Do not document implementation details.
1382 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
1384 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1387 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
1388 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
1389 (__duration_common_type): New helper.
1390 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
1391 __duration_common_type.
1392 (__timepoint_common_type_wrapper): Replace with ...
1393 (__timepoint_common_type): New helper.
1394 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
1395 Use __time_point_common_type.
1396 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
1397 (__common_type_impl): If either argument is transformed by decay,
1398 use the common_type of the decayed types.
1399 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
1400 decayed, use __do_common_type_impl to get the common_type.
1401 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
1402 (__do_member_type_wrapper, __member_type_wrapper)
1403 (__expanded_common_type_wrapper): Remove.
1404 (__common_type_pack, __common_type_fold): New helpers.
1405 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
1406 __member_type_wrapper and __expanded_common_type_wrapper.
1407 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
1408 Test zero-length template argument list.
1409 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
1410 Test single argument cases and argument types that should decay.
1411 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
1412 Adjust expected error.
1413 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
1415 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1416 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1417 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1419 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
1421 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
1423 Make allocator propagation more consistent for
1424 operator+(basic_string) (P1165R1)
1425 * include/bits/basic_string.h
1426 (operator+(basic_string&&, basic_string&&): Changed resulting
1427 allocator to always be the one from the first parameter.
1428 * include/bits/basic_string.tcc
1429 (operator+(const _CharT*, const basic_string&)): Changed
1430 resulting allocator to be SOCCC on the second parameter's allocator.
1431 (operator+(_CharT, const basic_string&)): Likewise.
1432 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
1434 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
1437 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1439 * include/bits/regex.h: Improve docs.
1440 * include/bits/regex.tcc: Do not document implementation details.
1442 * testsuite/19_diagnostics/error_code/hash.cc: New test.
1444 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
1446 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
1447 Add type printer for container types in std::__debug namespace.
1448 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
1449 (gdb-tests): Use distinct parameters for the type of test and use of
1451 (gdb-test): Check for regex test even if 'whatis' test.
1452 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
1454 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1455 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1456 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1457 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1458 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1459 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1460 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1462 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
1464 * include/std/system_error (error_category): Fix comment.
1467 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
1468 argument is an empty path.
1469 (absolute(const path&, error_code&)): Use invalid_argument as error
1470 code instead of no_such_file_or_directory.
1471 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
1472 of non-existent paths and empty paths with both overloads of absolute.
1474 * include/std/system_error (error_category, error_code)
1475 (error_condition): Improve docs.
1476 * libsupc++/exception: Add missing @addtogroup Doxygen command.
1477 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
1478 to class documentation. Suppress documentation for implementation
1480 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
1481 Suppress documentation for implementation details.
1483 * include/std/system_error (error_code): Remove friend declaration
1484 for hash<error_code>.
1485 (hash<error_code>::operator()): Use public member functions to access
1487 (hash<error_condition>::operator()): Use address of category, not
1488 its object representation.
1489 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
1490 Use public member functions to access value and category.
1491 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
1493 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
1495 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
1496 * include/bits/hashtable_policy.h
1497 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
1498 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
1499 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
1500 smaller than input value rather than always greater. Preserve
1501 _M_next_resize if called with 0 input. Use __builtin_floorl.
1502 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
1503 elements + number of insertions is greater than _M_next_resize. Start
1504 with 11 buckets if not told otherwise. Use __builtin_floorl.
1505 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
1506 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1507 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
1508 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
1509 told otherwise. Use __builtin_floorl.
1510 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
1511 to also validate _Power2_rehash_policy.
1512 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
1515 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
1518 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
1522 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
1523 overflow warning with -Wpedantic -Wsystem-headers.
1525 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
1528 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
1529 * include/bits/move.h (swap): Remove extra parentheses.
1531 * include/experimental/bits/lfts_config.h: Improve doc markup.
1532 * include/experimental/optional: Improve docs.
1533 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
1534 (__constexpr_addressof): Remove.
1535 (optional::operator->()): Use std::__addressof().
1536 * include/std/optional (optional::operator->()): Adjust whitespace.
1537 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
1538 that operator-> is still constexpr with overloaded operator&. Change
1539 to compile-only test.
1540 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
1543 * include/bits/shared_ptr.h: Improve docs.
1544 * include/bits/shared_ptr_atomic.h: Likewise.
1545 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
1547 * include/bits/basic_string.h: Fix iterator/index confusion in
1549 * include/bits/range_access.h: Fix Doxygen warnings.
1550 * include/bits/refwrap.h: Do not document implementation details.
1551 (ref, cref): Group docs with reference_wrapper.
1552 * include/std/fstream: Fix Doxygen markup.
1553 * libsupc++/initializer_list (begin, end): Group docs with
1556 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
1558 * include/bits/unique_lock.h: Fix/improve doxygen markup.
1559 * include/std/mutex: Likewise.
1560 * include/std/shared_mutex: Likewise.
1562 * include/bits/fs_dir.h: Fix/improve doxygen markup.
1563 * include/bits/fs_fwd.h: Likewise.
1564 * include/bits/fs_ops.h: Likewise.
1565 * include/bits/fs_path.h: Likewise.
1566 * include/std/filesystem: Likewise.
1568 * include/experimental/bits/net.h: Fix/improve doxygen markup.
1569 * include/experimental/buffer: Likewise.
1570 * include/experimental/executor: Likewise.
1571 * include/experimental/internet: Likewise.
1572 * include/experimental/io_context: Likewise.
1573 * include/experimental/net: Likewise.
1574 * include/experimental/netfwd: Likewise.
1575 * include/experimental/socket: Likewise.
1576 * include/experimental/timer: Likewise.
1578 * doc/doxygen/doxygroups.cc: Move description of experimental group
1580 * include/experimental/algorithm: Add to libfund-ts doc group.
1581 * include/experimental/any: Likewise. Do not document implementation
1583 * include/experimental/array: Add to libfund-ts doc group.
1584 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
1585 for Library Fundamentals.
1586 * include/experimental/chrono: Add to libfund-ts doc group.
1587 * include/experimental/deque: Likewise.
1588 * include/experimental/forward_list: Likewise.
1589 * include/experimental/functional: Likewise.
1590 * include/experimental/iterator: Likewise.
1591 * include/experimental/list: Likewise.
1592 * include/experimental/map: Likewise.
1593 * include/experimental/memory: Likewise.
1594 * include/experimental/memory_resource: Likewise. Improve docs.
1596 * include/experimental/numeric: Add to libfund-ts doc group.
1597 * include/experimental/optional: Likewise.
1598 * include/experimental/propagate_const: Likewise.
1599 * include/experimental/random: Likewise.
1600 * include/experimental/ratio: Likewise.
1601 * include/experimental/regex: Likewise.
1602 * include/experimental/set: Likewise.
1603 * include/experimental/source_location: Likewise.
1604 * include/experimental/string: Likewise.
1605 * include/experimental/string_view: Likewise.
1606 * include/experimental/system_error: Likewise.
1607 * include/experimental/tuple: Likewise.
1608 * include/experimental/type_traits: Likewise.
1609 * include/experimental/unordered_map: Likewise.
1610 * include/experimental/unordered_set: Likewise.
1611 * include/experimental/utility: Likewise.
1612 * include/experimental/vector: Likewise.
1613 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
1614 * testsuite/experimental/array/neg.cc: Adjust dg-error.
1615 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
1617 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
1618 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
1619 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
1620 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
1621 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
1623 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
1624 * include/experimental/bits/fs_fwd.h: Improve docs.
1625 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
1626 * include/experimental/bits/fs_path.h: Likewise.
1627 (path, filesystem_error, u8path): Improve docs.
1628 * include/experimental/filesystem: Link to docs for TS.
1630 * config/allocator/new_allocator_base.h (__allocator_base): Add
1631 workaround for Doxygen bug #6945.
1632 * include/std/memory: Improve docs. Define group for pointer safety.
1633 * include/std/scoped_allocator: Improve docs. Use "undocumented"
1634 conditional to suppress documentation for implementation details.
1636 * include/bits/specfun.h: Improve docs.
1637 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
1640 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
1641 (std::experimental): Add docs.
1642 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
1643 namespace to nothing when generating docs.
1644 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
1645 * include/std/chrono (std::chrono): Likewise.
1646 * include/std/functional (std::placeholders): Likewise.
1647 * include/std/thread (std::this_thread): Likewise.
1649 * include/parallel/settings.h: Fix Doxygen markup.
1651 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
1652 anything unless PB_DS_CLASS_C_DEC is defined.
1653 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
1654 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
1655 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
1656 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
1657 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
1658 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
1659 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
1661 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
1662 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
1663 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
1664 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
1665 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
1666 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
1667 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
1668 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
1669 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
1670 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
1671 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
1673 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
1674 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
1676 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
1679 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
1680 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
1681 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
1684 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1686 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
1687 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
1688 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
1689 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
1690 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
1691 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
1693 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
1694 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
1697 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
1700 * include/std/complex (__complex_proj): Return parameter unchanged.
1701 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
1702 floating-point types to take std::complex arguments.
1703 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
1704 floating-point types.
1705 * testsuite/26_numerics/complex/proj.cc: New test.
1707 2019-04-30 Jakub Jelinek <jakub@redhat.com>
1709 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
1710 to _Lock_policyE[012].
1711 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
1713 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
1715 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
1716 macros accidentally left in.
1717 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
1718 unnecessary -lstdc++fs option. Fix test for mingw.
1719 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
1722 2019-04-30 Jakub Jelinek <jakub@redhat.com>
1724 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
1726 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
1728 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
1730 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
1731 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
1734 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
1736 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
1739 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
1740 class template and partial specialization.
1743 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
1745 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
1746 functions to convert a value to an integral type.
1747 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
1748 (fill_n): Convert _Size parameter to an integral type.
1749 * testsuite/25_algorithms/fill_n/87982.cc: New test.
1750 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
1751 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
1752 * testsuite/25_algorithms/generate_n/87982.cc: New test.
1753 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
1754 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
1756 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
1758 Adding noexcept-specification on tuple constructors (LWG 2899)
1759 * libstdc++-v3/include/std/tuple:
1760 (tuple()): Add noexcept-specification.
1761 (tuple(const _Elements&...)): Likewise
1762 (tuple(_UElements&&...)): Likewise
1763 (tuple(const tuple<_UElements...>&)): Likewise
1764 (tuple(tuple<_UElements...>&&)): Likewise
1765 (tuple(const _T1&, const _T2&)): Likewise
1766 (tuple(_U1&&, _U2&&)): Likewise
1767 (tuple(const tuple<_U1, _U2>&): Likewise
1768 (tuple(tuple<_U1, _U2>&&): Likewise
1769 (tuple(const pair<_U1, _U2>&): Likewise
1770 (tuple(pair<_U1, _U2>&&): Likewise
1771 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
1773 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
1776 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
1777 arguments with __restrict.
1779 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
1781 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
1783 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
1785 * include/experimental/bits/fs_path.h
1786 (path::_S_convert_loc<_InputIterator>): Create const std::string to
1787 avoid redundant call to _S_convert_loc with non-const pointers.
1789 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
1790 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
1791 * testsuite/21_strings/basic_string/hash/hash.cc
1792 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
1793 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
1794 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
1796 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
1797 wstring::_M_replace_dispatch with more specific patterns.
1798 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
1799 Create const std::string to avoid redundant call to _S_convert_loc
1800 with non-const pointers.
1801 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
1802 avoid unnecessary basic_string::assign instantiations.
1804 * include/std/memory (__uses_alloc_args): Add string-literal to
1805 static_assert, to match the one in __uses_alloc.
1806 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
1807 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
1808 for recursive uses-allocator construction of nested pairs.
1809 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
1812 2019-04-26 Jakub Jelinek <jakub@redhat.com>
1814 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1815 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1816 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1817 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1819 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1820 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1821 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1822 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1823 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1824 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1825 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1827 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
1830 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
1831 * include/std/scoped_allocator [__cplusplus > 201703L]
1832 (scoped_allocator_adaptor::construct): Define in terms of
1833 uses_allocator_construction_args, as per P0591R4.
1834 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
1835 * testsuite/util/testsuite_allocator.h: Remove name of unused
1838 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
1840 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
1841 * doc/html/*: Regenerate.
1843 * include/bits/fs_path.h (operator<, operator<=, operator>)
1844 (operator>=, operator==, operator!=): Make hidden friends, as per
1846 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
1847 string type in test.
1848 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
1850 * include/std/any (any::any(ValueType&&)): Use __and_v.
1851 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
1854 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
1856 * include/std/type_traits (__result_of_memfun): Use remove_reference
1857 instead of __remove_cvref_t and remove redundant is_same check.
1858 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
1860 * include/experimental/string_view (basic_string_view::pointer)
1861 (basic_string_view::reference): Fix to refer to non-const value_type.
1862 * include/bits/basic_string.h (basic_string): Use __sv_check and
1863 __sv_limit instead of basic_string_view::_M_check and
1864 basic_string_view::_M_limit.
1865 * include/std/string_view (__sv_check, __sv_limit): New
1866 helper functions to replace basic_string_view::_M_check and
1867 basic_string_view::_M_limit.
1868 (basic_string_view): Add static assertions to enforce ill-formed
1869 requirement for traits_type::char_type from P1148R0, and to enforce
1870 required properties of char-like types.
1871 (basic_string_view::pointer, basic_string_view::reference): Fix to
1872 refer to non-const value_type.
1873 (basic_string_view::operator[], basic_string_view::at)
1874 (basic_string_view::front, basic_string_view::back)
1875 (basic_string_view::data): Use const_reference and const_pointer
1876 typedefs for return types.
1877 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
1878 (hash<wstring_view>): Fix argument_type typedef.
1879 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1880 char/1.cc: Fix expected return type of basic_string_view::data().
1881 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1882 wchar_t/1.cc: Likewise.
1883 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1884 char/1.cc: Likewise.
1885 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1886 wchar_t/1.cc: Likewise.
1887 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
1889 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
1890 Check reference and pointer typedefs.
1891 * testsuite/experimental/string_view/requirements/typedefs.cc:
1893 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
1894 Fix expected return type of basic_string_view::data().
1895 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
1897 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
1899 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
1903 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
1904 Avoid a runtime check for types that can never be stored in std::any.
1905 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
1908 PR libstdc++/90220 (partial)
1909 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
1910 not attempt ill-formed static_cast to pointers to non-object types.
1911 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
1914 * testsuite/20_util/variant/run.cc: Catch exception by reference to
1915 prevent -Wcatch-value warning.
1917 * include/std/variant (__variant_construct): Use template parameter
1918 type instead of equivalent decltype-specifier.
1919 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
1920 Replace forward with move.
1921 (_Move_ctor_base<false, Types...>::_M_destructive_move)
1922 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
1923 (_Move_ctor_base<true, Types...>::_M_destructive_move)
1924 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
1925 index after construction succeeds.
1926 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
1927 if-constexpr checks that are always true. Use __remove_cvref_t instead
1928 of remove_reference so that is_nothrow_move_constructible check
1929 doesn't use a const rvalue parameter. In the potentially-throwing case
1930 construct a temporary and move assign it, as per LWG 2904.
1931 (_Move_assign_base<false, Types...>::operator=): Remove redundant
1932 if-constexpr checks that are always true. Use emplace as per LWG 2904.
1933 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
1934 construct a temporary and move assign from it, as per LWG 2904.
1935 * testsuite/20_util/variant/exception_safety.cc: Check that
1936 assignment operators have strong exception safety guarantee.
1938 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
1940 Document PSTL linker flags
1942 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
1944 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
1946 * include/std/variant (__detail::__variant::_Traits): Make
1947 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
1948 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
1950 (__detail::__variant::_Copy_assign_alias): Only depend on
1951 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
1952 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
1953 move assignment operators.
1956 * include/std/variant (variant::__not_self): New helper for the
1957 is_same_v<remove_cvref_t<T>, variant>==false constraints.
1958 (variant::__to_type_impl): Remove.
1959 (variant::__to_type): Add default argument to check pack size, instead
1960 of using __to_type_impl.
1961 (variant::__accepted_type): Add default argument using __not_self.
1962 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
1963 for variant(T&&) constructor constraint.
1964 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
1965 Extract __accepted_type into a named template parameter for reuse in
1966 other constraints and in the exception specification.
1967 (variant::variant(in_place_type_t<T>, Args&&...))
1968 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
1969 (variant::variant(in_place_index_t<T>, Args&&...))
1970 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
1971 (variant::operator=T&&)): Remove redundant && from trait arguments.
1972 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
1973 isn't used for in_place_type or in_place_index arguments.
1975 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
1976 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
1977 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
1979 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1980 Bernd Edlinger <bernd.edlinger@hotmail.de>
1981 Jakub Jelinek <jakub@redhat.com>
1984 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
1985 general-regs-only target attribute for ARM.
1987 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
1990 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
1991 specialization also depend on is_nothrow_move_constructible.
1992 * include/std/variant (__detail::__variant::__never_valueless()):
1993 Only true if the variant would have a move assignment operator.
1994 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
1995 Check __never_valueless<T...>().
1996 (variant::emplace): Only perform non-throwing move assignments
1997 for never-valueless alternatives if the variant has a move assignment
1999 * testsuite/20_util/variant/compile.cc: Check that never-valueless
2000 types can be emplaced into non-assignable variants.
2001 * testsuite/20_util/variant/run.cc: Check that never-valueless types
2002 don't get copied when emplaced into non-assignable variants.
2004 * include/std/variant (__detail::__variant::__ref_cast): Remove
2006 (__detail::__variant::_Uninitialized::_M_get)
2007 (__detail::__variant::__get)
2008 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
2010 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
2012 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
2014 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
2015 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
2016 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
2017 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
2019 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2021 Delegate PSTL configuration to pstl/pstl_config.h
2023 * include/bits/c++config: Remove explicit PSTL configuration
2024 macros and use definitions from <pstl/pstl_config.h>.
2026 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2028 Cleanup algorithm implementations
2029 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
2031 (mismatch): Forward execution policy.
2032 (equal): Qualify call to std::equal().
2033 (partial_sort): Forward execution policy.
2034 (inplace_merge): Forward execution policy.
2036 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
2038 Improve implementation of parallel equal()
2039 * include/pstl/algorithm_impl.h
2040 (__internal::__brick_equal): use "4 iterator" version of
2042 (__internal::__brick_equal): use simd for random access
2043 iterators on unsequenced execution policies.
2044 (__internal::__pattern_equal): add "4 iterator" version
2045 (__internal::__pattern_equal): dispatch to simd __brick_equal
2046 for vector-only execution policies.
2047 (__internal::__pattern_equal): dispatch to __parallel_or for
2048 parallel execution policies.
2049 * include/pstl/glue_algorithm_impl.h
2050 (std::equal): dispatch to "4 iterator" version of
2051 __internal::__pattern_equal().
2053 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
2056 * include/bits/forward_list.h (operator==): Do not use operator!= to
2058 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
2059 earlier in the list, so that sort is stable.
2060 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
2061 * testsuite/23_containers/forward_list/comparable.cc: Test with
2062 types that meet the minimum EqualityComparable and LessThanComparable
2063 requirements. Remove irrelevant comment.
2065 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
2066 Do not depend on whether all alternative types are move constructible.
2067 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
2068 from the operand when deciding whether to perform the assignment.
2069 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
2070 with deleted move constructor and deleted move assignment operator.
2071 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
2072 behaviour of variants with DeletedMoves as an alternative.
2073 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
2074 (move_ctor, move_assign): Check that moving a variant with a
2075 DeletedMoves alternative falls back to copying instead of moving.
2077 * testsuite/20_util/variant/compile.cc: Remove empty string literals
2078 from static_assert declarations.
2080 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
2081 actually match its name.
2082 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
2083 (test_swap()): Fix result for MoveCtorOnly and check
2084 MoveCtorAndSwapOnly.
2086 * include/std/optional (optional::value_or(U&&) &&): Add missing
2087 constexpr specifier.
2088 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
2089 for disengaged optionals and rvalue optionals.
2090 * testsuite/20_util/optional/observers/4.cc: Likewise.
2092 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
2094 * include/pstl/algorithm_impl.h: Uglify identfiers.
2095 * include/pstl/numeric_impl.h: Uglify identfiers.
2096 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
2098 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
2100 * include/bits/c++config:
2101 Add definition for __PSTL_ASSERT.
2102 Add definition for __PSTL_ASSERT_MSG.
2103 * include/pstl/algorithm_impl.h: Replace use of assert().
2104 * include/pstl/numeric_impl.h: Replace use of assert().
2105 * include/pstl/parallel_backend_tbb.h:
2106 Replace use of assert().
2107 Replace use of __TBB_ASSERT().
2108 * include/pstl/parallel_backend_utils.h: Replace use of assert().
2110 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
2113 * src/c++17/memory_resource.cc
2114 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
2115 needed to allow placing a _Chunk at the end of the buffer.
2116 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
2118 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
2120 * doc/xml/faq.xml: Add information about emergency EH pool.
2121 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
2122 Move outdated information on mt_allocator to a separate section.
2123 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
2124 doesn't affect the default allocator.
2126 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
2130 * testsuite/20_util/variant/89851.cc: New test.
2132 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
2134 * include/std/variant: Adjust whitespace. Add comments.
2135 (_Multi_array): Leave primary template undefined.
2136 (_Multi_array<_Tp>): Define partial specialization for base case of
2138 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
2139 which is always a reference.
2140 (__gen_vtable::_S_apply()): Remove function, inline body into
2141 default member initializer.
2142 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
2144 * include/std/variant (__variant_idx_cookie): Add member type.
2145 (__visitor_result_type): Remove.
2146 (__do_visit): Use invoke_result instead of __visitor_result_type.
2147 * testsuite/20_util/variant/visit.cc: New test.
2150 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
2152 * testsuite/20_util/variant/90008.cc: New test.
2154 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
2156 * include/pstl/algorithm_impl.h: Add namespace qualification.
2157 * include/pstl/execution_defs.h: Add namespace qualification.
2158 * include/pstl/execution_impl.h: Add namespace qualification.
2159 * include/pstl/numeric_impl.h: Add namespace qualification.
2160 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
2161 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
2162 * include/pstl/parallel_backend_utils.h: Include <cassert>.
2164 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
2166 Fix visit<R> for variant.
2167 * include/std/variant (__do_visit): Add a template parameter
2168 for enforcing same return types for visit.
2169 (__gen_vtable_impl): Likewise.
2170 (_S_apply_single_alt): Adjust.
2171 (__visit_invoke_impl): New. Handle casting to void.
2172 (__do_visit_invoke): New. Enforces same return types.
2173 (__do_visit_invoke_r): New. Converts return types.
2174 (__visit_invoke): Adjust.
2175 (__gen_vtable): Add a template parameter for enforcing
2176 same return types for visit.
2177 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
2178 different return types.
2179 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
2180 visitors with different return types don't accidentally
2181 compile with regular visitation.
2183 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
2185 * testsuite/27_io/filesystem/iterators/caching.cc: Add
2186 dg-require-filesystem-ts.
2188 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
2190 * doc/xml/manual/status_cxx2020.xml: Update status.
2191 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
2192 * testsuite/20_util/variant/visit_r.cc: New test.
2194 * include/bits/fs_dir.h (directory_iterator::operator*)
2195 (directory_iterator::operator->): Add noexcept.
2196 (operator==, operator!=): Replace namespace-scope equality operators
2197 for directory iterators with hidden friends.
2200 * config/abi/pre/gnu.ver: Add missing exports.
2201 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
2204 * config/abi/pre/gnu.ver: Export new symbols.
2205 * include/bits/fs_dir.h (recursive_directory_iterator::options())
2206 (recursive_directory_iterator::recursion_pending())
2207 (recursive_directory_iterator::disable_recursion_pending()): Remove
2208 inline definitions. Make noexcept.
2209 (recursive_directory_iterator::depth())
2210 (recursive_directory_iterator::operator*())
2211 (recursive_directory_iterator::operator->()): Make noexcept.
2212 (recursive_directory_iterator::_M_options)
2213 (recursive_directory_iterator::_M_pending): Remove data members.
2214 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
2215 (recursive_directory_iterator::recursive_directory_iterator): Remove
2216 ctor-initializer. Use new constructor for _Dir_stack.
2217 (recursive_directory_iterator::options())
2218 (recursive_directory_iterator::recursion_pending())
2219 (recursive_directory_iterator::disable_recursion_pending()): Add
2220 non-inline definitions.
2221 (recursive_directory_iterator::depth()): Make noexcept.
2222 (recursive_directory_iterator::increment(error_code&))
2223 (recursive_directory_iterator::pop(error_code&)): Adjust to new
2224 location of options and recursion_pending members.
2225 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
2226 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
2227 user-declared move constructor and assignment operator, to make the
2230 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
2231 d_type == DT_UNKNOWN immediately.
2232 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
2234 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
2236 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
2238 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
2239 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
2242 PR libstdc++/87431 (again)
2243 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
2244 Define partial specialization for basic_string.
2245 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
2246 shared_ptr and weak_ptr.
2247 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
2249 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
2251 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
2253 * include/debug/vector (_Never_valueless_alt): Likewise for debug
2255 * include/std/any (_Never_valueless_alt): Define explicit
2256 specialization for any.
2257 * include/std/variant (_Never_valueless_alt): Define primary template.
2258 (__never_valueless): Use _Never_valueless_alt instead of
2259 is_trivially_copyable.
2260 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
2261 initializations to avoid try-catch overhead. Add special case for
2262 scalars produced by potentially-throwing conversions. Use
2263 _Never_valueless_alt instead of is_trivially_copyable for the
2264 remaining strong exception-safety cases.
2265 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
2266 * testsuite/20_util/variant/87431.cc: Run both test functions.
2267 * testsuite/20_util/variant/exception_safety.cc: New test.
2268 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
2269 so the variant becomes valueless.
2271 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
2274 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
2276 (variant::emplace<_Tp>): Return result of emplace<N> directly.
2278 * include/std/string (__hash_string_base): New class template defining
2279 operator() for hashing strings.
2280 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
2281 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
2282 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
2283 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
2285 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
2287 Use single-visitation in variant assignment and swap and relops.
2288 Also use indices instead of types when checking whether
2289 variants hold the same thing.
2290 * include/std/variant (__do_visit): Add a template parameter
2291 for index visitation, invoke with indices if index visitation
2293 (__variant_idx_cookie): New.
2294 (__visit_with_index): Likewise.
2295 (_Copy_assign_base::operator=): Do single-visitation with
2297 (_Move_assign_base::operator=): Likewise.
2298 (_Extra_visit_slot_needed): Adjust.
2299 (__visit_invoke): Call with indices if it's an index visitor.
2300 (relops): Do single-visitation with an index visitor.
2302 (__visitor_result_type): New.
2304 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
2306 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
2308 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2310 Don't revisit a variant we are already visiting.
2311 * include/std/variant (__variant_construct_single): New.
2312 (__variant_construct): Use it.
2313 (_M_destructive_move): Likewise.
2314 (_M_destructive_copy): Likewise.
2315 (_Copy_assign_base::operator=): Adjust.
2316 (_Move_assign_base::operator=): Likewise.
2319 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
2322 * include/bits/hashtable.h (_Hashtable): Move static assertions to
2323 destructor so they are not evaluated until the _Key type is complete.
2324 * include/bits/stl_tree.h (_Rb_tree): Likewise.
2325 * testsuite/23_containers/set/85965.cc: New test.
2326 * testsuite/23_containers/unordered_set/85965.cc: New test.
2327 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
2328 with regexp matching the corresponding _Rb_tree specialization.
2329 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2330 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
2331 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2332 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2333 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2334 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2335 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2337 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2340 Fix based on a suggestion by Antony Polukhin.
2341 * include/std/variant (__never_valueless): New.
2343 (_Extra_visit_slot_needed): New.
2344 (_Multi_array): Use it.
2345 (_S_apply_all_alts): Likewise.
2347 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2350 Fix based on a suggestion by Antony Polukhin.
2351 * include/std/variant (__gen_vtable): Don't reserve an
2352 additional table slot, _Multi_array already does that.
2354 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2357 Fix based on a suggestion by Antony Polukhin.
2358 * include/std/variant (__variant_construct): Capture a pointer
2359 to the storage and visit just one variant.
2361 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
2363 * doc/xml/manual/backwards_compatibility.xml: Remove link to
2364 Doxygen-generated pages with unstable URL.
2365 * doc/xml/manual/concurrency_extensions.xml: Likewise.
2366 * doc/xml/manual/extensions.xml: Likewise.
2367 * doc/xml/manual/parallel_mode.xml: Likewise.
2368 * doc/xml/manual/support.xml: Likewise.
2370 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
2371 avoid -Wconversion warnings.
2373 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
2375 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
2376 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
2377 (allstamped): Add stamp-pstl.
2378 (install-headers): Add ptsl_builddir.
2379 * include/Makefile.in: Regenerate.
2380 * include/bits/c++config: Add pstl configuration.
2381 * include/pstl/LICENSE.txt: New file.
2382 * include/pstl/algorithm_fwd.h: New file.
2383 * include/pstl/algorithm_impl.h: New file.
2384 * include/pstl/execution_defs.h: New file.
2385 * include/pstl/execution_impl.h: New file.
2386 * include/pstl/glue_algorithm_defs.h: New file.
2387 * include/pstl/glue_algorithm_impl.h: New file.
2388 * include/pstl/glue_execution_defs.h: New file.
2389 * include/pstl/glue_memory_defs.h: New file.
2390 * include/pstl/glue_memory_impl.h: New file.
2391 * include/pstl/glue_numeric_defs.h: New file.
2392 * include/pstl/glue_numeric_impl.h: New file.
2393 * include/pstl/memory_impl.h: New file.
2394 * include/pstl/numeric_fwd.h: New file.
2395 * include/pstl/numeric_impl.h: New file.
2396 * include/pstl/parallel_backend.h: New file.
2397 * include/pstl/parallel_backend_tbb.h: New file.
2398 * include/pstl/parallel_backend_utils.h: New file.
2399 * include/pstl/parallel_impl.h: New file.
2400 * include/pstl/pstl_config.h: New file.
2401 * include/pstl/unseq_backend_simd.h: New file.
2402 * include/pstl/utils.h: New file.
2403 * include/std/algorithm: Include parallel algorithm implementations.
2404 * include/std/execution: New file.
2405 * include/std/memory: Include parallel algorithm implementations.
2406 * include/std/numeric: Include parallel algorithm implementations.
2407 * include/std/version: Add parallel algorithms feature test macro.
2408 * testsuite/util/pstl/pstl_test_config.h: New file.
2409 * testsuite/util/pstl/test_utils.h: New file.
2410 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2411 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2412 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2413 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2414 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2415 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2416 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2417 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2418 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2419 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2420 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2421 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2422 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2423 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2424 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2425 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2426 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2427 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2428 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2429 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2430 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2431 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2432 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2433 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2434 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2435 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2436 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2437 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2438 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2439 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2440 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2441 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2442 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2443 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2444 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2445 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2446 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2447 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2448 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2449 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2450 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2451 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2452 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2453 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2454 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2455 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2456 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2457 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2458 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2459 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2460 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2461 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2462 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2463 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2464 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2465 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2466 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2467 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2468 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2469 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2470 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2471 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2472 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2473 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2474 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2475 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2476 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2477 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2478 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2479 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2480 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2481 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2482 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2483 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2484 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2485 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2486 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2487 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2488 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2489 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2490 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2491 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2492 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2493 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2494 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2495 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2496 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2497 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2498 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2499 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2500 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2501 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2502 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2503 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2504 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2505 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2506 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2507 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2508 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2509 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2510 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2511 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2512 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2513 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2514 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2515 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2517 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
2519 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
2520 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
2521 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
2522 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
2523 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
2524 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
2525 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
2526 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
2527 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
2528 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
2529 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
2530 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
2531 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
2532 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
2533 when the special functions IS is enabled, not for C++17.
2534 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
2536 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
2537 without checks for special functions in C++17.
2538 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
2542 * include/backward/hash_map: Use <> for includes not "".
2543 * include/backward/hash_set: Likewise.
2544 * include/backward/strstream: Likewise.
2545 * include/tr1/bessel_function.tcc: Likewise.
2546 * include/tr1/exp_integral.tcc: Likewise.
2547 * include/tr1/legendre_function.tcc: Likewise.
2548 * include/tr1/modified_bessel_func.tcc: Likewise.
2549 * include/tr1/riemann_zeta.tcc: Likewise.
2551 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
2553 * doc/xml/manual/allocator.xml: Link to table documenting evolution
2554 of extension allocators.
2555 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
2556 Document new headers in 7.2, 8.1 and 9.1 releases.
2557 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
2558 * doc/html/*: Regenerate.
2560 2019-03-12 John David Anglin <dave.anglin@bell.net>
2563 * testsuite/lib/libstdc++.exp: Locate libatomic.
2564 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
2565 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
2567 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
2568 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
2569 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
2570 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
2572 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
2575 * configure.ac: Check for sockatmark.
2576 * crossconfig.m4: Check for sockatmark.
2577 * config.h.in: Regenerate.
2578 * configure: Regenerate.
2579 * include/experimental/internet (address_v4::_S_hton): Rename
2580 overloaded functions to _S_hton_16 and _S_ntoh_16.
2581 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
2582 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
2583 * include/experimental/socket (basic_socket::at_mark): Check
2584 _GLIBCXX_HAVE_SOCKATMARK.
2586 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
2587 const variables instead of macros.
2590 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
2591 Use correct type for len_aligned.
2592 * testsuite/20_util/hash/89629.cc: New test.
2594 2019-03-11 Jakub Jelinek <jakub@redhat.com>
2597 * include/std/atomic (atomic<T>::store, atomic<T>::load,
2598 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
2599 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
2600 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
2601 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
2602 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
2603 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
2604 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
2605 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
2606 memory_order_seq_cst to int.
2608 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
2610 * doc/xml/manual/using.xml: Use link element instead of xref.
2611 * doc/html/*: Regenerate.
2613 * include/bits/fs_path.h (path::format): Add fixed underlying type.
2615 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
2618 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
2619 parameters in deduction guides.
2620 * include/debug/multimap.h (multimap): Likewise.
2621 * include/debug/set.h (multimap): Likewise.
2622 * include/debug/multiset.h (multimap): Likewise.
2623 * include/debug/unordered_map (unordered_map): Likewise.
2624 (unordered_multimap): Likewise.
2625 * include/debug/unordered_set (unordered_set): Likewise.
2626 (unordered_multiset): Likewise.
2629 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
2630 Invalidate all iterators in case of rehash.
2631 (unordered_multimap<>::_M_check_rehashed): Likewise.
2632 * include/debug/unordered_set
2633 (unordered_set<>::_M_check_rehashed): Likewise.
2634 (unordered_multiset<>::_M_check_rehashed): Likewise.
2635 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
2637 2019-03-07 Andreas Schwab <schwab@suse.de>
2639 * config/abi/post/riscv64-linux-gnu: New directory.
2640 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
2642 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
2644 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
2645 compile test to run. Fix typo.
2647 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
2648 * doc/html/*: Regenerate.
2650 P0356R5 Simplified partial function application
2651 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
2652 helpers for bind_front.
2653 (bind_front, __cpp_lib_bind_front): Define.
2654 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
2656 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
2658 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
2659 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
2660 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
2661 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2663 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
2665 PR libstdc++/86655 - std::assoc_legendre should not constrain
2666 the value of m (or x).
2667 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
2668 __sph_legendre): If degree > order Don't throw, return 0.
2669 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
2670 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
2671 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
2672 * testsuite/tr1/5_numerical_facilities/special_functions/
2673 02_assoc_legendre/pr86655.cc: New test.
2674 * testsuite/tr1/5_numerical_facilities/special_functions/
2675 22_sph_legendre/pr86655.cc: New test.
2677 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
2680 Also PR libstdc++/85517
2681 * include/std/variant (__do_visit): New.
2682 (__variant_cast): Likewise.
2683 (__variant_cookie): Likewise.
2684 (__erased_*): Remove.
2685 (_Variant_storage::_S_vtable): Likewise.
2686 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
2687 (_Variant_storage::__M_reset): Adjust.
2688 (__variant_construct): New.
2689 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
2690 __variant_construct.
2691 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
2692 (_Move_ctor_base::__M_destructive_copy): New.
2693 (_Move_ctor_base::__M_destructive_move): Adjust to use
2694 __variant_construct.
2695 (_Copy_assign_base::operator=): Adjust to use __do_visit.
2696 (_Copy_assign_alias): Adjust to check both copy assignment
2697 and copy construction for triviality.
2698 (_Move_assign_base::operator=): Adjust to use __do_visit.
2699 (_Multi_array): Add support for visitors that accept and return
2701 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
2702 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
2703 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
2704 a __variant_cookie temporary for a variant that is valueless and..
2705 (__gen_vtable_impl::__visit_invoke): ..adjust here.
2706 (__gen_vtable::_Array_type): Conditionally make space for
2707 the __variant_cookie visitor case.
2708 (__variant_construct_by_index): New.
2709 (get_if): Adjust to use std::addressof.
2710 (relops): Adjust to use __do_visit.
2711 (variant): Add __variant_cast and __variant_construct_by_index
2713 (variant::emplace): Use _M_reset() and __variant_construct_by_index
2714 instead of self-destruction.
2715 (variant::swap): Adjust to use __do_visit.
2716 (visit): Reimplement in terms of __do_visit.
2717 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
2718 * testsuite/20_util/variant/compile.cc: Adjust.
2719 * testsuite/20_util/variant/run.cc: Likewise.
2721 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
2723 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
2725 * testsuite/experimental/feat-char8_t.cc: Likewise.
2727 * include/std/type_traits [C++20] (is_bounded_array)
2728 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
2730 * testsuite/20_util/is_bounded_array/requirements/
2731 explicit_instantiation.cc: New test.
2732 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
2734 * testsuite/20_util/is_bounded_array/value.cc: New test.
2735 * testsuite/20_util/is_unbounded_array/requirements/
2736 explicit_instantiation.cc: New test.
2737 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
2739 * testsuite/20_util/is_unbounded_array/value.cc: New test.
2741 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
2743 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
2745 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
2747 * include/c_compatibility/math.h [C++20] (lerp): Add using
2749 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
2750 (__lerp): Define function template to implement lerp.
2751 (lerp(float, float, float), lerp(double, double, double))
2752 (lerp(long double, long double, long double)): Define for C++20.
2753 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
2754 (midpoint(T, T), midpoint(T*, T*)): Define.
2755 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
2756 * testsuite/26_numerics/lerp.cc: New test.
2757 * testsuite/26_numerics/midpoint/floating.cc: New test.
2758 * testsuite/26_numerics/midpoint/integral.cc: New test.
2759 * testsuite/26_numerics/midpoint/pointer.cc: New test.
2761 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
2763 PR libstdc++/88996 Implement P0439R0
2764 Make std::memory_order a scoped enumeration.
2765 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
2766 add variables for the old enumerators. Adjust calls.
2767 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
2768 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
2770 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
2772 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
2775 * include/std/memory_resource (polymorphic_allocator): Add default
2776 template argument for C++20.
2777 (polymorphic_allocator::allocate_bytes)
2778 (polymorphic_allocator::deallocate_bytes)
2779 (polymorphic_allocator::allocate_object)
2780 (polymorphic_allocator::deallocate_object)
2781 (polymorphic_allocator::new_object)
2782 (polymorphic_allocator::delete_object): New member functions for
2784 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
2787 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
2790 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
2793 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
2795 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
2796 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
2798 * include/std/memory (uses_allocator_construction_args): New set of
2799 overloaded functions.
2800 (make_obj_using_allocator, uninitialized_construct_using_allocator):
2802 * include/std/memory_resource (polymorphic_allocator::construct)
2803 [__cplusplus > 201703l]: Replace all overloads with a single function
2804 using uses_allocator_construction_args.
2805 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
2807 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
2809 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
2812 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
2813 stylesheet directories before check for xsltproc. Try to use
2814 xmlcatalog to find local stylesheet directory before trying hardcoded
2815 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
2816 check to look for the same stylesheet as doc/Makefile.am uses. Don't
2817 use xsltproc if xmlcatalog fails to find a local stylesheet.
2818 * configure.ac: Check for xmlcatalog.
2819 * Makefile.in: Regenerate.
2820 * configure: Likewise.
2821 * doc/Makefile.in: Likewise.
2822 * include/Makefile.in: Likewise.
2823 * libsupc++/Makefile.in: Likewise.
2824 * po/Makefile.in: Likewise.
2825 * python/Makefile.in: Likewise.
2826 * src/Makefile.in: Likewise.
2827 * src/c++11/Makefile.in: Likewise.
2828 * src/c++17/Makefile.in: Likewise.
2829 * src/c++98/Makefile.in: Likewise.
2830 * src/filesystem/Makefile.in: Likewise.
2831 * testsuite/Makefile.in: Likewise.
2833 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
2836 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
2837 container deduction guides.
2838 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
2839 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
2840 parameters in deduction guides.
2841 * include/bits/stl_multimap.h (multimap): Likewise.
2842 * include/bits/stl_multiset.h (multiset): Likewise.
2843 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
2844 * include/bits/stl_set.h (set): Likewise.
2845 * include/bits/stl_stack.h (stack): Likewise.
2846 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
2847 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
2848 constrain parameters in deduction guides.
2849 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
2851 * testsuite/23_containers/map/cons/deduction.cc: Test additional
2853 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
2854 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
2855 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
2856 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
2858 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
2860 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
2863 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
2864 to class template and partial specialization using void_t.
2865 (__is_copy_insertable, __is_move_insertable): Adjust base class.
2867 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
2870 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
2871 copy and move members public.
2873 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
2875 * include/std/type_traits (__underlying_type_impl): New helper to
2876 make underlying_type SFINAE-friendly.
2877 (underlying_type): Derive from __underlying_type_impl.
2878 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
2882 * include/bits/char_traits.h (__constant_char_array): Check index is
2883 in range before dereferencing.
2884 (char_traits<char>::compare, char_traits<char>::find)
2885 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
2886 immediately if n is zero.
2887 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
2888 Remove workarounds for PR 67026.
2889 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
2891 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
2894 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
2896 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
2897 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
2899 2019-02-22 Jakub Jelinek <jakub@redhat.com>
2902 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
2903 type to std::size_t and argument to type to long double.
2905 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
2907 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
2908 * config/abi/post/sparc64-linux-gnu: New directory.
2909 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
2910 * config/abi/post/sparc64-linux-gnu/32: New directory.
2911 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
2913 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
2915 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
2916 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
2919 2019-02-22 Tom Honermann <tom@honermann.net>
2921 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
2922 printers for u8string and u8string_view.
2924 2019-02-22 Tom Honermann <tom@honermann.net>
2926 * testsuite/18_support/byte/ops.cc: Validate
2927 std::to_integer<char8_t>, std::to_integer<char16_t>, and
2928 std::to_integer<char32_t>.
2929 * testsuite/18_support/numeric_limits/dr559.cc: Validate
2930 std::numeric_limits<char8_t>.
2931 * testsuite/18_support/numeric_limits/lowest.cc: Validate
2932 std::numeric_limits<char8_t>::lowest().
2933 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
2934 std::numeric_limits<char8_t>::max_digits10.
2935 * testsuite/18_support/type_info/fundamental.cc: Validate
2936 typeinfo for char8_t.
2937 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
2938 std::from_chars with char8_t.
2939 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
2940 Validate explicit instantiation of std::hash<char8_t>.
2941 * testsuite/20_util/is_integral/value.cc: Validate
2942 std::is_integral<char8_t>.
2943 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
2944 Validate std::make_signed<char8_t>.
2945 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
2946 Validate u8string construction from char8_t sources.
2947 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
2949 * testsuite/21_strings/basic_string_view/operations/compare/
2950 char/70483.cc: Validate substr operations on u8string_view.
2951 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
2952 the u8string_view typedef is defined.
2953 * testsuite/21_strings/char_traits/requirements/
2954 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
2956 * testsuite/21_strings/char_traits/requirements/
2957 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
2958 constexpr member functions.
2959 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
2960 that the u8string typedef is defined.
2961 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
2962 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
2963 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
2964 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
2966 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
2967 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
2969 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
2970 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
2971 Validate std::atomic<char8_t>::is_always_lock_free
2972 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
2973 Update line numbers.
2974 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
2976 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
2978 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
2979 Validate std::experimental::pmr::u8string.
2980 * testsuite/experimental/string_view/typedefs.cc: Validate that the
2981 u8string_view typedef is defined.
2982 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
2983 char32_t to the typelists.
2985 2019-02-22 Tom Honermann <tom@honermann.net>
2987 * include/ext/typelist.h: Constrain a partial specialization of
2988 typelist::detail::append_ to only match chain<T1,T2>.
2990 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
2993 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
2994 class template with class. Replace move and copy member types with
2995 member alias templates, so they are only instantiated when needed.
2996 (__is_copy_insertable, __is_move_insertable): Adjust base class.
2997 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
2998 test for C++11/14/17 as well.
2999 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
3002 2019-02-20 Jakub Jelinek <jakub@redhat.com>
3005 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
3006 _GLIBCXX_PURE to the alias declaration.
3008 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
3010 * testsuite/21_strings/basic_string/literals/types.cc
3011 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
3012 * testsuite/21_strings/basic_string/literals/values.cc
3013 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3014 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
3015 potentially having different type.
3016 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
3017 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
3019 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
3020 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
3021 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
3022 string literals only using basic character set.
3023 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
3024 u8 literals to char.
3025 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
3026 Test ATOMIC_CHAR8_T_LOCK_FREE.
3027 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
3028 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
3029 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
3030 * testsuite/experimental/string_view/literals/types.cc
3031 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
3033 * testsuite/experimental/string_view/literals/values.cc
3034 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3036 2019-02-19 Tom Honermann <tom@honermann.net>
3038 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
3039 from char16_32_t.cc; validates numeric_limits<char8_t>.
3040 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
3041 test cloned from types.cc; validates operator""s for char8_t
3043 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
3044 test cloned from values.cc; validates construction and comparison
3046 * testsuite/21_strings/basic_string/requirements/
3047 /explicit_instantiation/char8_t/1.cc: New test cloned from
3048 char16_t/1.cc; validates explicit instantiation of
3049 basic_string<char8_t>.
3050 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
3051 New test cloned from types.cc; validates operator""sv for char8_t
3052 returns u8string_view.
3053 * testsuite/21_strings/basic_string_view/literals/
3054 values-char8_t.cc: New test cloned from values.cc; validates
3055 construction and comparison of u8string_view values.
3056 * testsuite/21_strings/basic_string_view/requirements/
3057 explicit_instantiation/char8_t/1.cc: New test cloned from
3058 char16_t/1.cc; validates explicit instantiation of
3059 basic_string_view<char8_t>.
3060 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
3061 New test cloned from char16_t/65049.cc; validates that
3062 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
3063 * testsuite/21_strings/char_traits/requirements/char8_t/
3064 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
3065 that char_traits<char8_t> member typedefs are present and correct.
3066 * testsuite/21_strings/char_traits/requirements/
3067 explicit_instantiation/char8_t/1.cc: New test cloned from
3068 char16_t/1.cc; validates explicit instantiation of
3069 char_traits<char8_t>.
3070 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
3071 from char16_t.cc: validates
3072 codecvt<char16_t, char8_t, mbstate_t>.
3073 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
3074 from char32_t.cc: validates
3075 codecvt<char32_t, char8_t, mbstate_t>.
3076 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
3077 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
3078 codecvt<char32_t, char8_t, std::mbstate_t>.
3079 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
3080 test cloned from string.cc; validates filesystem::path construction
3082 * testsuite/experimental/feat-char8_t.cc: New test; validates that
3083 the __cpp_lib_char8_t feature test macro is defined with the
3085 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3086 New test cloned from string.cc; validates filesystem::path
3087 construction from char8_t input.
3088 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
3089 test cloned from types.cc; validates operator""sv for char8_t
3090 returns u8string_view.
3091 * testsuite/experimental/string_view/literals/values-char8_t.cc:
3092 New test cloned from values.cc; validates construction and
3093 comparison of u8string_view values.
3094 * testsuite/experimental/string_view/requirements/
3095 explicit_instantiation/char8_t/1.cc: New test cloned from
3096 char16_t/1.cc; validates explicit instantiation of
3097 basic_string_view<char8_t>.
3098 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
3099 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
3102 2019-02-19 Tom Honermann <tom@honermann.net>
3104 P0482R5 char8_t: Standard library support
3105 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
3106 typeinfo symbols for char8_t.
3107 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
3108 (GLIBCXX_3.4.26): Add symbols for specializations of
3109 numeric_limits and codecvt that involve char8_t.
3110 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
3111 * include/bits/atomic_base.h: Add atomic_char8_t.
3112 * include/bits/basic_string.h: Add std::hash<u8string> and
3113 operator""s(const char8_t*, size_t).
3114 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
3116 * include/bits/char_traits.h: Add char_traits<char8_t>.
3117 * include/bits/codecvt.h: Add
3118 codecvt<char16_t, char8_t, mbstate_t>,
3119 codecvt<char32_t, char8_t, mbstate_t>,
3120 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3121 codecvt_byname<char32_t, char8_t, mbstate_t>.
3122 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
3123 recognize char8_t as an integral type.
3124 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
3126 (path::u8string): Return std::u8string when char8_t support is
3128 (path::generic_u8string): Likewise.
3129 (path::_S_convert): Handle conversion from char8_t input.
3130 (path::_S_str_convert): Likewise.
3131 * include/bits/functional_hash.h: Add hash<char8_t>.
3132 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
3134 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
3135 for new char8_t specializations.
3136 * include/bits/localefwd.h: Add missing declarations of
3137 codecvt<char16_t, char, mbstate_t> and
3138 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
3139 codecvt<char16_t, char8_t, mbstate_t> and
3140 codecvt<char32_t, char8_t, mbstate_t>.
3141 * include/bits/postypes.h: Add u8streampos
3142 * include/bits/stringfwd.h: Add declarations of
3143 char_traits<char8_t> and u8string.
3144 * include/c_global/cstddef: Add __byte_operand<char8_t>.
3145 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3147 (path::u8string): Return std::u8string when char8_t support is
3149 (path::generic_u8string): Likewise.
3150 (path::_S_convert): Handle conversion from char8_t input.
3151 (path::_S_str_convert): Likewise.
3152 * include/experimental/string: Add u8string.
3153 * include/experimental/string_view: Add u8string_view,
3154 hash<experimental::u8string_view>, and
3155 operator""sv(const char8_t*, size_t).
3156 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
3157 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
3158 as a character type.
3159 * include/std/limits: Add numeric_limits<char8_t>.
3160 * include/std/string_view: Add u8string_view,
3161 hash<experimental::u8string_view>, and
3162 operator""sv(const char8_t*, size_t).
3163 * include/std/type_traits: Add __is_integral_helper<char8_t>,
3164 __make_unsigned<char8_t>, and __make_signed<char8_t>.
3165 * libsupc++/atomic_lockfree_defines.h: Define
3166 ATOMIC_CHAR8_T_LOCK_FREE.
3167 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
3168 codecvt.cc and limits.cc so that char8_t specializations of
3169 numeric_limits and codecvt and emitted.
3170 * src/c++11/Makefile.in: Likewise.
3171 * src/c++11/codecvt.cc: Define members of
3172 codecvt<char16_t, char8_t, mbstate_t>,
3173 codecvt<char32_t, char8_t, mbstate_t>,
3174 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3175 codecvt_byname<char32_t, char8_t, mbstate_t>.
3176 * src/c++11/limits.cc: Define members of
3177 numeric_limits<char8_t>.
3178 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
3179 locale_init.cc and localename.cc.
3180 * src/c++98/Makefile.in: Likewise.
3181 * src/c++98/locale_init.cc: Add initialization for the
3182 codecvt<char16_t, char8_t, mbstate_t> and
3183 codecvt<char32_t, char8_t, mbstate_t> facets.
3184 * src/c++98/localename.cc: Likewise.
3185 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
3187 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
3189 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
3190 * 27_io/filesystem/operations/resize_file.cc: Likewise.
3191 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
3193 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
3195 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
3196 * doc/html/*: Regenerate.
3198 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
3199 * doc/html/*: Regenerate.
3201 * doc/xml/manual/intro.xml: Document LWG 2586 status.
3202 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
3203 allocator type in is_constructible checks.
3204 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
3205 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
3206 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
3207 problematic type from LWG 2586 discussion.
3208 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
3209 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
3211 * configure.ac: Check for C11 timespec_get function.
3212 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
3214 * config.h.in: Regenerate.
3215 * configure: Regenerate.
3216 * include/c_global/ctime (timespec, timespec_get): Add to namespace
3217 std for C++17 and up.
3219 * doc/xml/manual/intro.xml: Document LWG 2537 status.
3220 * include/bits/stl_queue.h
3221 (priority_queue(const Compare&, const Container&, const Alloc&))
3222 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
3224 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
3226 * doc/xml/manual/intro.xml: Document LWG 2566 status.
3227 * include/bits/stl_queue.h (queue, priority_queue): Add static
3228 assertions to enforce LWG 2566 requirement on value_type.
3229 * include/bits/stl_stack.h (stack): Likewise.
3232 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
3234 * doc/xml/manual/intro.xml: Document LWG 2735 status.
3235 * include/bits/std_abs.h: Add comment about LWG 2735.
3236 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
3238 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
3241 * include/std/version [__cpp_impl_destroying_delete]
3242 (__cpp_lib_destroying_delete): Only define for C++2a and later.
3243 * libsupc++/new [__cpp_impl_destroying_delete]
3244 (__cpp_lib_destroying_delete): Likewise.
3245 (destroying_delete_t, destroying_delete): Likewise, but define even
3246 when __cpp_impl_destroying_delete is not defined.
3247 * testsuite/18_support/destroying_delete.cc: New test.
3249 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
3252 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
3253 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
3254 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
3255 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
3257 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
3260 * include/bits/fs_path.h (path::has_root_name)
3261 (path::has_root_directory, path::has_root_path)
3262 (path::has_relative_path, path::has_parent_path)
3263 (path::has_filename, path::has_stem, path::has_extension)
3264 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
3266 * src/c++17/fs_path.cc (path::has_root_name)
3267 (path::has_root_directory, path::has_root_path)
3268 (path::has_relative_path, path::has_parent_path)
3269 (path::has_filename, path::_M_find_extension): Add noexcept.
3271 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
3273 PR libstdc++/89102 (partial)
3274 * include/std/type_traits (common_type<>): Define.
3275 (common_type<T>): Derive from common_type<T, T>.
3276 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3277 Test zero-length template argument list.
3278 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3279 Test additional single argument cases.
3280 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3281 Adjust expected error.
3283 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
3286 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
3288 * include/bits/stl_stack.h (stack): Likewise.
3289 * testsuite/23_containers/priority_queue/deduction.cc: New test.
3290 * testsuite/23_containers/queue/deduction.cc: New test.
3291 * testsuite/23_containers/stack/deduction.cc: New test.
3294 * include/std/type_traits (__is_convertible_helper)
3295 (__is_convertible_helper<_From, _To, false>): Revert changes to
3296 support is_nothrow_convertible.
3297 (__is_nt_convertible_helper): New helper.
3298 (is_nothrow_convertible): Use __is_nt_convertible_helper.
3300 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
3301 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
3304 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
3305 __is_alloc_insertable_impl. Replace single type member with two
3306 members, one for each of copy and move insertable.
3307 (__is_move_insertable): New trait for internal use.
3308 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
3309 (vector::_S_nothrow_relocate(true_type)): New functions to
3310 conditionally check if __relocate_a can throw.
3311 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
3312 on __is_move_insertable.
3313 (vector::_S_do_relocate): New overloaded functions to conditionally
3315 (vector::_S_relocate): New function that dispatches to _S_do_relocate
3316 based on _S_use_relocate.
3317 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3318 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
3319 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
3322 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
3323 parameter unnamed. Add message to static assertion.
3324 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3325 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
3328 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
3331 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
3333 (__is_bitwise_relocatable): ... to this.
3334 (__relocate_a_1): Adapt.
3335 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
3336 (__is_bitwise_relocatable): ... to this.
3338 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
3341 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
3342 final component as well as from _M_pathname. Append the dot using
3343 operator+= instead of only to _M_pathname.
3344 (path::_M_find_extension): Reformat slightly.
3345 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
3346 Add more test cases.
3348 2019-01-30 Ulrich Drepper <drepper@redhat.com>
3350 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
3352 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
3354 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
3355 constexpr specifiers from arg and proj.
3357 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
3358 __shared_ptr instantiations used by gcc4-compatible ABI.
3360 * include/experimental/forward_list (experimental::erase): Qualify
3362 * include/experimental/list (experimental::erase): Likewise.
3363 * include/std/forward_list (std::erase): Likewise.
3364 * include/std/list (std::erase): Likewise.
3366 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
3368 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
3369 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
3370 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
3371 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
3372 * testsuite/ext/array_allocator/26875.cc: Likewise.
3373 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
3374 * testsuite/util/replacement_memory_operators.h: Likewise.
3375 * testsuite/util/testsuite_allocator.h: Likewise.
3377 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
3378 normal mode vector, even for debug mode.
3379 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
3380 Define alias template for normal mode vector.
3382 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
3385 * config/locale/generic/c_locale.h (__convert_from_v)
3386 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3387 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3388 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
3389 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3391 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
3394 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
3395 data member with static member function _S_use_relocate().
3396 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3397 (vector::_M_default_append): Use _S_use_relocate() instead of
3400 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
3403 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
3406 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
3407 write to stderr instead of using printf.
3409 2019-01-21 Jakub Jelinek <jakub@redhat.com>
3412 * include/bits/char_traits.h (__constant_string_p,
3413 __constant_char_array_p): Use __builtin_is_constant_evaluated if
3416 2019-01-20 Ulrich Drepper <drepper@redhat.com>
3418 Implement C++20 P0600r1.
3419 * include/backward/hash_map: Add nodiscard attribute to empty.
3420 * include/backward/hash_set: Likewise.
3421 * backward/hashtable.h: Likewise.
3422 * include/bits/basic_string.h: Likewise.
3423 * include/bits/forward_list.h: Likewise.
3424 * include/bits/hashtable.h: Likewise.
3425 * include/bits/regex.h: Likewise.
3426 * include/bits/stl_deque.h: Likewise.
3427 * include/bits/stl_list.h: Likewise.
3428 * include/bits/stl_map.h: Likewise.
3429 * include/bits/stl_multimap.h: Likewise.
3430 * include/bits/stl_multiset.h: Likewise.
3431 * include/bits/stl_queue.h: Likewise.
3432 * include/bits/stl_set.h: Likewise.
3433 * include/bits/stl_stack.h: Likewise.
3434 * include/bits/stl_tree.h: Likewise.
3435 * include/bits/stl_vector.h: Likewise.
3436 * include/bits/unordered_map.h: Likewise.
3437 * include/bits/unordered_set.h: Likewise.
3438 * include/debug/array: Likewise.
3439 * include/experimental/any: Likewise.
3440 * include/experimental/bits/fs_path.h: Likewise.
3441 * include/experimental/internet: Likewise.
3442 * include/experimental/string_view: Likewise.
3443 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
3445 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
3447 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
3449 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
3451 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
3453 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
3455 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
3457 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
3459 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3460 info_fn_imps.hpp: Likewise.
3461 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3462 left_child_next_sibling_heap_.hpp: Likewise.
3463 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
3465 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
3467 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
3469 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
3471 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
3473 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
3475 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
3477 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
3478 * include/ext/pb_ds/trie_policy.hpp: Likewise.
3479 * include/ext/rope: Likewise.
3480 * include/ext/slist: Likewise.
3481 * include/ext/vstring.h: Likewise.
3482 * include/profile/array: Likewise.
3483 * include/std/array: Likewise.
3484 * include/tr1/array: Likewise.
3485 * include/tr1/hashtable.h: Likewise.
3486 * include/tr1/regex: Likewise.
3487 * include/tr2/dynamic_bitset: Likewise.
3488 * include/bits/alloc_traits.h: Add nodiscard attribute to
3490 * include/experimental/memory_resource: Likewise.
3491 * include/ext/alloc_traits.h: Likewise.
3492 * include/ext/array_allocator.h: Likewise.
3493 * include/ext/bitmap_allocator.h: Likewise.
3494 * include/ext/debug_allocator.h: Likewise.
3495 * include/ext/extptr_allocator.h: Likewise.
3496 * include/ext/mt_allocator.h: Likewise.
3497 * include/ext/new_allocator.h: Likewise.
3498 * include/ext/pool_allocator.h: Likewise.
3499 * include/ext/throw_allocator.h: Likewise.
3500 * include/std/scoped_allocator: Likewise.
3501 * libsupc++/eh_alloc.cc: Likewise.
3502 * include/std/future: Add nodiscard attribute to async.
3503 * libsupc++/new: Add nodiscard attribute to new.
3505 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
3510 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
3511 * include/bits/shared_ptr.h
3512 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
3513 (allocate_shared): Change to use new tag type.
3514 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
3515 Declare new member function.
3516 (_Sp_alloc_shared_tag): Define new type.
3517 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
3518 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
3519 _Sp_make_shared_tag::_S_eq to check type_info.
3520 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
3521 Constrain to prevent being called with _Sp_alloc_shared_tag.
3522 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
3523 Replace constructor with ...
3524 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
3525 reference parameter so address of the new object can be returned to
3526 the caller. Obtain the allocator from the tag type.
3527 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
3528 constructor with ...
3529 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
3530 to the __shared_count constructor.
3531 (__allocate_shared): Change to use new tag type.
3532 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
3534 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
3536 * src/c++17/fs_ops.cc
3537 (equivalent(const path&, const path&, error_code&))
3538 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
3539 compare files instead of relying on incomplete info returned by stat.
3542 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
3543 if the path is already absolute.
3544 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
3545 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
3548 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
3549 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
3550 of filesystem::exists.
3551 (create_directories(const path&, error_code&)): Add assertions.
3552 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
3553 Add workaround for bug in _wstat for paths with trailing slash.
3554 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
3555 for expected behaviour on mingw.
3556 * testsuite/experimental/filesystem/operations/create_directories.cc:
3558 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
3559 "TMP" instead of "TMPDIR" and clean environment before each test. Do
3560 not test permissions on mingw targets.
3562 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
3564 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
3565 constructors and open members taking wide strings. Fix patterns for
3566 filesystem::path members to match wstring_view parameters. Add
3567 exports for shared_ptr members used by directory iterators.
3568 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
3569 error code parameter if the file doesn't exist.
3570 * src/filesystem/ops.cc (remove(const path&, error_code&)):
3572 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
3573 values for mingw targets, where "/" is not an absolute path. Do not
3574 test symlinks on mingw targets.
3575 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3576 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
3578 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3579 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
3580 that each component of the path is created.
3581 * testsuite/experimental/filesystem/operations/create_directories.cc:
3583 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
3584 permissions on mingw targets.
3585 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3586 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
3587 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3588 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
3590 * testsuite/experimental/filesystem/operations/permissions.cc:
3592 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
3593 symlinks or permissions on mingw targets.
3594 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3595 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
3596 symlinks on mingw targets.
3597 * testsuite/experimental/filesystem/operations/remove_all.cc:
3599 * testsuite/27_io/filesystem/operations/status.cc: Do not test
3600 permissions on mingw targets.
3601 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
3602 test symlinks on mingw targets.
3603 * testsuite/experimental/filesystem/operations/space.cc: Fix test
3606 2019-02-14 Ulrich Drepper <drepper@redhat.com>
3609 Warn about unused comparisons of shared_ptr/unique_ptr
3610 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
3611 * include/bits/shared_ptr.h: Use it for operator ==, !=,
3612 <, <=, >, >= for shared_ptr.
3613 * include/bits/unique_ptr.h: Likewise for unique_ptr.
3615 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
3617 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
3618 as 201611L, because P0497R0 changes are supported.
3619 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
3621 * include/bits/erase_if.h [__cplusplus > 201703L]
3622 (__cpp_lib_erase_if): Only define for C++2a.
3623 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
3624 (__cpp_lib_null_iterators): Define.
3625 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
3626 (__cpp_lib_null_iterators): Define.
3627 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
3629 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
3631 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
3633 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
3634 changes are supported.
3635 * include/std/optional (__cpp_lib_optional): Likewise.
3636 * include/std/variant (__cpp_lib_variant): Likewise.
3637 * include/std/version [!__STRICT_ANSI__]
3638 (__cpp_lib_uncaught_exceptions): Define as long integer.
3639 [__cplusplus >= 201703L] (__cpp_lib_any)
3640 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
3641 (__cpp_lib_variant): Define for C++17.
3642 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
3644 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
3647 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
3649 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
3653 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
3655 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
3658 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
3660 * doc/xml/manual/intro.xml: Include new section.
3661 * doc/xml/manual/status_cxx2017.xml: Document more
3662 implementation-defined properties of the library.
3663 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
3664 * doc/html/*: Regenerate.
3666 * include/bits/refwrap.h [__cplusplus > 201703L]
3667 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
3668 (_Reference_wrapper_base_memfun): Do not define for C++2a.
3669 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
3671 (reference_wrapper::operator()): Add static assertion.
3672 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
3674 * include/std/chrono (duration_values::zero(), duration_values::min())
3675 (duration_values::max()): Add noexcept.
3676 (duration::zero(), duration::min(), duration::max()): Likewise.
3677 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
3678 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
3679 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
3681 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
3683 2019-01-11 Jakub Jelinek <jakub@redhat.com>
3685 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
3686 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
3688 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
3691 * include/bits/functional_hash.h (hash<nullptr_t>): Define
3692 specialization for C++17 (P0513R0, LWG 2817).
3693 * testsuite/20_util/hash/nullptr.cc: New test.
3696 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
3697 pattern for std::basic_stringbuf::str().
3699 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
3700 basic_ostream::operator<< patterns.
3702 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
3704 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
3705 test failures on targets with 32-bit time_t.
3707 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
3708 * include/std/deque: Likewise.
3709 * include/std/forward_list: Likewise.
3710 * include/std/list: Likewise.
3711 * include/std/string: Likewise.
3712 * include/std/vector: Likewise.
3713 * include/std/version: Likewise.
3714 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
3715 * testsuite/23_containers/deque/erasure.cc: Likewise.
3716 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
3717 * testsuite/23_containers/list/erasure.cc: Likewise.
3718 * testsuite/23_containers/map/erasure.cc: Likewise.
3719 * testsuite/23_containers/set/erasure.cc: Likewise.
3720 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
3721 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
3722 * testsuite/23_containers/vector/erasure.cc: Likewise.
3724 * include/experimental/internet [AI_NUMERICSERV]
3725 (resolver_base::numeric_service): Define conditionally.
3726 * testsuite/experimental/net/internet/resolver/base.cc: Test it
3728 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
3731 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
3732 Jonathan Wakely <jwakely@redhat.com>
3735 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
3736 (GLIBCXX_3.4.26): Add new exports.
3737 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
3738 correct list of sources.
3739 * include/Makefile.in: Regenerate.
3740 * include/std/ostream (operator<<(nullptr_t)): New member function.
3741 * src/c++17/ostream-inst.cc: New file.
3742 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
3745 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
3747 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
3748 of the source file containing the caller.
3749 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
3750 directories created by test.
3751 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3753 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3755 * testsuite/experimental/filesystem/iterators/
3756 recursive_directory_iterator.cc: Likewise.
3758 2019-01-10 Jakub Jelinek <jakub@redhat.com>
3760 PR tree-optimization/88775
3761 * include/bits/stl_function.h (greater<_Tp*>::operator(),
3762 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
3763 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
3764 instead of __builtin_constant_p if available. Don't bother with
3765 the pointer comparison in C++11 and earlier.
3767 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
3771 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
3774 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
3776 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
3777 for filesystem::path. Give variables more distinctive names.
3779 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
3780 member function to perform non-trivial assignment.
3781 (_Optional_payload_base::_M_move_assign): Likewise.
3782 (_Optional_payload<T, true, false, true>::operator=)
3783 (_Optional_payload<T, true, true, false>::operator=)
3784 (_Optional_payload<T, true, false, false>::operator=): Call
3785 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
3788 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
3789 test std::complex<long double> if long double format is IBM128.
3790 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
3793 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
3795 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
3796 for old std::unique_ptr layout.
3797 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
3798 to become valueless. Add filesystem::path tests.
3801 * include/std/optional (_Optional_payload_base): New class template
3802 for common code hoisted from _Optional_payload specializations. Use
3803 a template for the union, to allow a partial specialization for
3804 types with non-trivial destructors. Add constructors for in-place
3805 initialization to the union.
3806 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
3807 to perform non-trivial copy construction, instead of relying on
3808 non-standard copy elision in a delegating constructor.
3809 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
3810 non-trivial move construction.
3811 (_Optional_payload): Derive from _Optional_payload_base and use it
3812 for everything except the non-trivial assignment operators, which are
3814 (_Optional_payload<false, C, M>): Derive from the specialization
3815 _Optional_payload<true, false, false> and add a destructor.
3816 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
3817 Forward to corresponding members of _Optional_payload.
3818 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
3819 Hoist common members from _Optional_base.
3820 (_Optional_base): Make all members and base class public.
3821 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
3822 _Optional_base_impl.
3823 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
3824 support for new std::optional layout.
3825 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
3828 * include/bits/locale_conv.h: Use <> for includes not "".
3829 * include/ext/random: Likewise.
3830 * include/ext/vstring.h: Likewise.
3832 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3834 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
3835 (GLIBCXX_3.4.21): Likewise.
3837 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
3840 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
3841 to match the one that controls whether utimbuf and utime are declared.
3843 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
3846 * include/bits/char_traits.h (char_traits::move): Do not pass null
3847 pointers to memmove.
3848 * include/bits/locale_facets.h
3849 (ctype<char>::widen(const char*, const char*, char*)): Do not
3850 pass null pointers to memcpy.
3851 (ctype<char>::narrow(const char*, const char*, char, char*)):
3853 (ctype<char>::do_widen(const char*, const char*, char*)):
3855 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
3858 * doc/xml/manual/spine.xml: Update copyright years.
3859 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
3860 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
3861 for C++17 filesystem library.
3862 * doc/html/*: Regenerate.
3864 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
3865 * config.h.in: Regenerate.
3866 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
3867 alphabetically and add missing entries for copy_symlink,
3868 hard_link_count, rename, and resize_file.
3869 * configure: Regenerate.
3870 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
3871 used unconditionally.
3872 * src/filesystem/ops-common.h (__gnu_posix::truncate)
3873 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
3874 supports truncating to zero length.
3875 * testsuite/27_io/filesystem/operations/all.cc: New test.
3876 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
3878 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
3881 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
3882 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
3883 * config.h.in: Regenerate.
3884 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
3885 remaining std::filesystem types and functions.
3886 * configure: Regenerate.
3887 * src/c++17/Makefile.am: Add C++17 filesystem sources.
3888 * src/c++17/Makefile.in: Regenerate.
3889 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
3890 here, and change name of included file.
3891 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
3892 here, and change name of included file.
3893 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
3894 path to dir-common.h.
3895 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
3896 path to ops-common.h. Disable -Wunused-parameter warnings.
3897 (internal_file_clock): Define unconditionally.
3898 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
3900 (do_copy_file, do_space): Move definitions to ops.common.h.
3901 (copy, file_size, hard_link_count, last_write_time, space): Only
3902 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
3904 (last_write_time, read_symlink): Remove unused attributes from
3906 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
3907 * src/filesystem/Makefile.in: Regenerate.
3908 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
3909 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
3910 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
3911 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
3912 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
3913 dummy types and functions instead of using #error.
3914 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
3915 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
3917 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
3918 (do_copy_file, do_space): Move definitions here from std-ops.cc.
3919 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
3920 to account for new namespace.
3921 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
3922 -lstdc++fs from dg-options.
3923 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
3924 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
3925 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
3926 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
3927 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
3929 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
3930 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3932 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
3933 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
3934 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
3935 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3936 * testsuite/27_io/filesystem/operations/create_directories.cc:
3938 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
3939 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
3940 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
3941 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
3942 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
3943 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
3944 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
3945 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
3946 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
3947 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
3948 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
3949 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
3950 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
3951 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
3952 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
3953 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
3954 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
3955 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
3957 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
3961 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
3962 typeinfo and vtables less greedy.
3963 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
3964 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
3965 * src/c++17/Makefile.in: Regenerate.
3966 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
3967 here, and change name of included file.
3968 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
3969 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
3971 * src/filesystem/Makefile.in: Regenerate.
3972 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
3973 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
3974 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
3975 from dg-options and remove dg-require-filesystem-ts.
3976 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
3977 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
3978 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
3979 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
3980 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
3981 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
3982 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
3983 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
3984 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
3985 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
3986 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
3987 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
3988 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
3989 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
3990 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
3991 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
3992 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
3993 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
3994 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
3995 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
3996 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
3998 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
3999 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
4000 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
4001 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
4002 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
4003 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
4004 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
4005 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
4006 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
4007 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
4008 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
4009 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
4011 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
4013 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4015 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
4017 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
4018 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4019 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
4020 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
4021 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
4022 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
4023 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
4024 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
4025 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
4026 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
4028 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
4029 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
4030 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
4031 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
4032 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
4035 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
4036 Check is_trivially_copyable instead of is_scalar.
4037 (variant::emplace<N, Args>(Args&&...)): If construction of the new
4038 contained value can throw and its type is trivially copyable then
4039 construct into a temporary variant and move from it, to provide the
4040 strong exception safety guarantee.
4041 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
4043 * testsuite/20_util/variant/87431.cc: New test.
4044 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
4045 conversion causes valueless state.
4048 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
4049 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
4050 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
4051 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
4052 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
4054 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
4056 * include/bits/fs_fwd.h (__file_clock): Define new clock.
4057 (file_time_type): Redefine in terms of __file_clock.
4058 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
4060 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
4062 (internal_file_lock): New helper type for accessing __file_clock.
4063 (do_copy_file): Use internal_file_lock to convert system time to
4065 (last_write_time(const path&, error_code&)): Likewise.
4066 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
4068 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
4070 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
4071 for const member functions of std::basic_string.
4072 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
4074 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
4075 Make non-standard constructor private.
4076 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
4078 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
4079 explicit instantiations for C++17 as well as earlier dialects.
4080 * src/c++17/Makefile.am: Add new source files.
4081 * src/c++17/Makefile.in: Regenerate.
4082 * src/c++17/cow-string-inst.cc: New file defining explicit
4083 instantiations for basic_string member functions added in C++17.
4084 * src/c++17/string-inst.cc: Likewise.
4086 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
4087 copy/move constructors for old std::basic_string.
4088 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
4089 (basic_string::reference, basic_string::const_reference): Define
4090 as plain references for C++11 and later.
4091 (basic_string::basic_string()): Put constructor body outside
4092 preprocessor conditional groups.
4093 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
4094 instead of copying it.
4095 (basic_string::basic_string(const basic_string&, const _Alloc&)):
4097 (basic_string::basic_string(basic_string&&, const _Alloc&)):
4099 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
4100 cases for old basic_string.
4101 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
4102 allocator-extended constructors unconditionally. Add extra members to
4103 allocator type when using old string ABI.
4104 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
4106 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
4108 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
4109 -fno-inline added to test flags.
4111 * testsuite/21_strings/basic_string/requirements/
4112 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
4114 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
4115 assertion failures with old std::string ABI.
4117 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
4119 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
4120 functions that will only erase elements at the end.
4121 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
4122 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
4123 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
4125 (path::_List::pop_back()): Define.
4126 (path::_List::_M_erase_from(const_iterator)): Define.
4127 (path::operator/=(const path&)): Use pop_back to remove last component
4128 and _M_erase_from to remove multiple components.
4129 (path::_M_append(basic_string_view<value_type>)): Likewise.
4130 (path::operator+=(const path&)): Likewise.
4131 (path::_M_concat(basic_string_view<value_type>)): Likewise.
4132 (path::remove_filename()): Likewise.
4133 (path::lexically_normal()): Use _List::_Impl iterators instead of
4134 path::iterator. Use pop_back to remove components from the end. Clear
4135 trailing filename, instead of using erase(const_iterator) to remove
4136 a non-final component.
4137 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
4139 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
4141 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
4142 incorrect treatment of empty filename after trailing slash.
4143 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
4145 * testsuite/21_strings/basic_string/modifiers/assign/char/
4146 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
4148 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
4149 move_assign_optim.cc: Likewise.
4151 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4152 Jakub Jelinek <jakub@redhat.com>
4155 * include/experimental/memory: Replace UTF-8 quote characters.
4156 * include/std/future: Replace UTF-8 "em dash" characters.
4158 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4161 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
4162 * include/debug/forward_list: Likewise.
4163 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
4165 * include/experimental/chrono: Likewise.
4166 * include/experimental/functional: Likewise.
4167 * include/experimental/ratio: Likewise.
4168 * include/experimental/system_error: Likewise.
4169 * include/experimental/tuple: Likewise.
4170 * include/experimental/type_traits: Likewise.
4171 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
4172 * include/parallel/multiseq_selection.h: Likewise.
4175 * config/abi/pre/gnu.ver: Add missing exports.
4176 * testsuite/22_locale/collate_byname/88681.cc: New test.
4177 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
4178 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
4180 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
4182 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
4183 initializer_list<value_type> and from input iterator ranges.
4184 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
4186 * testsuite/experimental/string_view/element_access/char/empty.cc:
4187 Fix year range in copyright header.
4189 2019-01-02 Joel Brobecker <brobecker@adacore.com>
4191 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
4192 Fix year range in copyright header.
4194 2019-01-01 Jakub Jelinek <jakub@redhat.com>
4196 Update copyright years.
4198 Copyright (C) 2019 Free Software Foundation, Inc.
4200 Copying and distribution of this file, with or without modification,
4201 are permitted in any medium without royalty provided the copyright
4202 notice and this notice are preserved.