1 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
3 Improve implementation of parallel equal()
4 * include/pstl/algorithm_impl.h
5 (__internal::__brick_equal): use "4 iterator" version of
7 (__internal::__brick_equal): use simd for random access
8 iterators on unsequenced execution policies.
9 (__internal::__pattern_equal): add "4 iterator" version
10 (__internal::__pattern_equal): dispatch to simd __brick_equal
11 for vector-only execution policies.
12 (__internal::__pattern_equal): dispatch to __parallel_or for
13 parallel execution policies.
14 * include/pstl/glue_algorithm_impl.h
15 (std::equal): dispatch to "4 iterator" version of
16 __internal::__pattern_equal().
18 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
21 * include/bits/forward_list.h (operator==): Do not use operator!= to
23 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
24 earlier in the list, so that sort is stable.
25 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
26 * testsuite/23_containers/forward_list/comparable.cc: Test with
27 types that meet the minimum EqualityComparable and LessThanComparable
28 requirements. Remove irrelevant comment.
30 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
31 Do not depend on whether all alternative types are move constructible.
32 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
33 from the operand when deciding whether to perform the assignment.
34 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
35 with deleted move constructor and deleted move assignment operator.
36 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
37 behaviour of variants with DeletedMoves as an alternative.
38 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
39 (move_ctor, move_assign): Check that moving a variant with a
40 DeletedMoves alternative falls back to copying instead of moving.
42 * testsuite/20_util/variant/compile.cc: Remove empty string literals
43 from static_assert declarations.
45 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
46 actually match its name.
47 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
48 (test_swap()): Fix result for MoveCtorOnly and check
51 * include/std/optional (optional::value_or(U&&) &&): Add missing
53 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
54 for disengaged optionals and rvalue optionals.
55 * testsuite/20_util/optional/observers/4.cc: Likewise.
57 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
59 * include/pstl/algorithm_impl.h: Uglify identfiers.
60 * include/pstl/numeric_impl.h: Uglify identfiers.
61 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
63 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
65 * include/bits/c++config:
66 Add definition for __PSTL_ASSERT.
67 Add definition for __PSTL_ASSERT_MSG.
68 * include/pstl/algorithm_impl.h: Replace use of assert().
69 * include/pstl/numeric_impl.h: Replace use of assert().
70 * include/pstl/parallel_backend_tbb.h:
71 Replace use of assert().
72 Replace use of __TBB_ASSERT().
73 * include/pstl/parallel_backend_utils.h: Replace use of assert().
75 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
78 * src/c++17/memory_resource.cc
79 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
80 needed to allow placing a _Chunk at the end of the buffer.
81 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
83 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
85 * doc/xml/faq.xml: Add information about emergency EH pool.
86 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
87 Move outdated information on mt_allocator to a separate section.
88 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
89 doesn't affect the default allocator.
91 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
95 * testsuite/20_util/variant/89851.cc: New test.
97 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
99 * include/std/variant: Adjust whitespace. Add comments.
100 (_Multi_array): Leave primary template undefined.
101 (_Multi_array<_Tp>): Define partial specialization for base case of
103 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
104 which is always a reference.
105 (__gen_vtable::_S_apply()): Remove function, inline body into
106 default member initializer.
107 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
109 * include/std/variant (__variant_idx_cookie): Add member type.
110 (__visitor_result_type): Remove.
111 (__do_visit): Use invoke_result instead of __visitor_result_type.
112 * testsuite/20_util/variant/visit.cc: New test.
115 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
117 * testsuite/20_util/variant/90008.cc: New test.
119 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
121 * include/pstl/algorithm_impl.h: Add namespace qualification.
122 * include/pstl/execution_defs.h: Add namespace qualification.
123 * include/pstl/execution_impl.h: Add namespace qualification.
124 * include/pstl/numeric_impl.h: Add namespace qualification.
125 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
126 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
127 * include/pstl/parallel_backend_utils.h: Include <cassert>.
129 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
131 Fix visit<R> for variant.
132 * include/std/variant (__do_visit): Add a template parameter
133 for enforcing same return types for visit.
134 (__gen_vtable_impl): Likewise.
135 (_S_apply_single_alt): Adjust.
136 (__visit_invoke_impl): New. Handle casting to void.
137 (__do_visit_invoke): New. Enforces same return types.
138 (__do_visit_invoke_r): New. Converts return types.
139 (__visit_invoke): Adjust.
140 (__gen_vtable): Add a template parameter for enforcing
141 same return types for visit.
142 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
143 different return types.
144 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
145 visitors with different return types don't accidentally
146 compile with regular visitation.
148 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
150 * testsuite/27_io/filesystem/iterators/caching.cc: Add
151 dg-require-filesystem-ts.
153 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
155 * doc/xml/manual/status_cxx2020.xml: Update status.
156 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
157 * testsuite/20_util/variant/visit_r.cc: New test.
159 * include/bits/fs_dir.h (directory_iterator::operator*)
160 (directory_iterator::operator->): Add noexcept.
161 (operator==, operator!=): Replace namespace-scope equality operators
162 for directory iterators with hidden friends.
165 * config/abi/pre/gnu.ver: Add missing exports.
166 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
169 * config/abi/pre/gnu.ver: Export new symbols.
170 * include/bits/fs_dir.h (recursive_directory_iterator::options())
171 (recursive_directory_iterator::recursion_pending())
172 (recursive_directory_iterator::disable_recursion_pending()): Remove
173 inline definitions. Make noexcept.
174 (recursive_directory_iterator::depth())
175 (recursive_directory_iterator::operator*())
176 (recursive_directory_iterator::operator->()): Make noexcept.
177 (recursive_directory_iterator::_M_options)
178 (recursive_directory_iterator::_M_pending): Remove data members.
179 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
180 (recursive_directory_iterator::recursive_directory_iterator): Remove
181 ctor-initializer. Use new constructor for _Dir_stack.
182 (recursive_directory_iterator::options())
183 (recursive_directory_iterator::recursion_pending())
184 (recursive_directory_iterator::disable_recursion_pending()): Add
185 non-inline definitions.
186 (recursive_directory_iterator::depth()): Make noexcept.
187 (recursive_directory_iterator::increment(error_code&))
188 (recursive_directory_iterator::pop(error_code&)): Adjust to new
189 location of options and recursion_pending members.
190 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
191 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
192 user-declared move constructor and assignment operator, to make the
195 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
196 d_type == DT_UNKNOWN immediately.
197 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
199 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
201 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
203 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
204 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
207 PR libstdc++/87431 (again)
208 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
209 Define partial specialization for basic_string.
210 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
211 shared_ptr and weak_ptr.
212 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
214 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
216 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
218 * include/debug/vector (_Never_valueless_alt): Likewise for debug
220 * include/std/any (_Never_valueless_alt): Define explicit
221 specialization for any.
222 * include/std/variant (_Never_valueless_alt): Define primary template.
223 (__never_valueless): Use _Never_valueless_alt instead of
224 is_trivially_copyable.
225 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
226 initializations to avoid try-catch overhead. Add special case for
227 scalars produced by potentially-throwing conversions. Use
228 _Never_valueless_alt instead of is_trivially_copyable for the
229 remaining strong exception-safety cases.
230 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
231 * testsuite/20_util/variant/87431.cc: Run both test functions.
232 * testsuite/20_util/variant/exception_safety.cc: New test.
233 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
234 so the variant becomes valueless.
236 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
239 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
241 (variant::emplace<_Tp>): Return result of emplace<N> directly.
243 * include/std/string (__hash_string_base): New class template defining
244 operator() for hashing strings.
245 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
246 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
247 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
248 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
250 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
252 Use single-visitation in variant assignment and swap and relops.
253 Also use indices instead of types when checking whether
254 variants hold the same thing.
255 * include/std/variant (__do_visit): Add a template parameter
256 for index visitation, invoke with indices if index visitation
258 (__variant_idx_cookie): New.
259 (__visit_with_index): Likewise.
260 (_Copy_assign_base::operator=): Do single-visitation with
262 (_Move_assign_base::operator=): Likewise.
263 (_Extra_visit_slot_needed): Adjust.
264 (__visit_invoke): Call with indices if it's an index visitor.
265 (relops): Do single-visitation with an index visitor.
267 (__visitor_result_type): New.
269 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
271 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
273 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
275 Don't revisit a variant we are already visiting.
276 * include/std/variant (__variant_construct_single): New.
277 (__variant_construct): Use it.
278 (_M_destructive_move): Likewise.
279 (_M_destructive_copy): Likewise.
280 (_Copy_assign_base::operator=): Adjust.
281 (_Move_assign_base::operator=): Likewise.
284 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
287 * include/bits/hashtable.h (_Hashtable): Move static assertions to
288 destructor so they are not evaluated until the _Key type is complete.
289 * include/bits/stl_tree.h (_Rb_tree): Likewise.
290 * testsuite/23_containers/set/85965.cc: New test.
291 * testsuite/23_containers/unordered_set/85965.cc: New test.
292 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
293 with regexp matching the corresponding _Rb_tree specialization.
294 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
295 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
296 * testsuite/23_containers/set/48101_neg.cc: Likewise.
297 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
298 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
299 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
300 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
302 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
305 Fix based on a suggestion by Antony Polukhin.
306 * include/std/variant (__never_valueless): New.
308 (_Extra_visit_slot_needed): New.
309 (_Multi_array): Use it.
310 (_S_apply_all_alts): Likewise.
312 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
315 Fix based on a suggestion by Antony Polukhin.
316 * include/std/variant (__gen_vtable): Don't reserve an
317 additional table slot, _Multi_array already does that.
319 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
322 Fix based on a suggestion by Antony Polukhin.
323 * include/std/variant (__variant_construct): Capture a pointer
324 to the storage and visit just one variant.
326 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
328 * doc/xml/manual/backwards_compatibility.xml: Remove link to
329 Doxygen-generated pages with unstable URL.
330 * doc/xml/manual/concurrency_extensions.xml: Likewise.
331 * doc/xml/manual/extensions.xml: Likewise.
332 * doc/xml/manual/parallel_mode.xml: Likewise.
333 * doc/xml/manual/support.xml: Likewise.
335 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
336 avoid -Wconversion warnings.
338 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
340 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
341 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
342 (allstamped): Add stamp-pstl.
343 (install-headers): Add ptsl_builddir.
344 * include/Makefile.in: Regenerate.
345 * include/bits/c++config: Add pstl configuration.
346 * include/pstl/LICENSE.txt: New file.
347 * include/pstl/algorithm_fwd.h: New file.
348 * include/pstl/algorithm_impl.h: New file.
349 * include/pstl/execution_defs.h: New file.
350 * include/pstl/execution_impl.h: New file.
351 * include/pstl/glue_algorithm_defs.h: New file.
352 * include/pstl/glue_algorithm_impl.h: New file.
353 * include/pstl/glue_execution_defs.h: New file.
354 * include/pstl/glue_memory_defs.h: New file.
355 * include/pstl/glue_memory_impl.h: New file.
356 * include/pstl/glue_numeric_defs.h: New file.
357 * include/pstl/glue_numeric_impl.h: New file.
358 * include/pstl/memory_impl.h: New file.
359 * include/pstl/numeric_fwd.h: New file.
360 * include/pstl/numeric_impl.h: New file.
361 * include/pstl/parallel_backend.h: New file.
362 * include/pstl/parallel_backend_tbb.h: New file.
363 * include/pstl/parallel_backend_utils.h: New file.
364 * include/pstl/parallel_impl.h: New file.
365 * include/pstl/pstl_config.h: New file.
366 * include/pstl/unseq_backend_simd.h: New file.
367 * include/pstl/utils.h: New file.
368 * include/std/algorithm: Include parallel algorithm implementations.
369 * include/std/execution: New file.
370 * include/std/memory: Include parallel algorithm implementations.
371 * include/std/numeric: Include parallel algorithm implementations.
372 * include/std/version: Add parallel algorithms feature test macro.
373 * testsuite/util/pstl/pstl_test_config.h: New file.
374 * testsuite/util/pstl/test_utils.h: New file.
375 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
376 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
377 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
378 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
379 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
380 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
381 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
382 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
383 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
384 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
385 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
386 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
387 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
388 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
389 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
390 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
391 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
392 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
393 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
394 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
395 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
396 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
397 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
398 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
399 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
400 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
401 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
402 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
403 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
404 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
405 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
406 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
407 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
408 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
409 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
410 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
411 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
412 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
413 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
414 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
415 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
416 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
417 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
418 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
419 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
420 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
421 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
422 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
423 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
424 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
425 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
426 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
427 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
428 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
429 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
430 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
431 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
432 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
433 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
434 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
435 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
436 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
437 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
438 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
439 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
440 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
441 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
442 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
443 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
444 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
445 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
446 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
447 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
448 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
449 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
450 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
451 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
452 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
453 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
454 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
455 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
456 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
457 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
458 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
459 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
460 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
461 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
462 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
463 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
464 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
465 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
466 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
467 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
468 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
469 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
470 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
471 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
472 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
473 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
474 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
475 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
476 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
477 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
478 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
479 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
480 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
482 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
484 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
485 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
486 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
487 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
488 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
489 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
490 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
491 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
492 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
493 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
494 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
495 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
496 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
497 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
498 when the special functions IS is enabled, not for C++17.
499 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
501 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
502 without checks for special functions in C++17.
503 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
507 * include/backward/hash_map: Use <> for includes not "".
508 * include/backward/hash_set: Likewise.
509 * include/backward/strstream: Likewise.
510 * include/tr1/bessel_function.tcc: Likewise.
511 * include/tr1/exp_integral.tcc: Likewise.
512 * include/tr1/legendre_function.tcc: Likewise.
513 * include/tr1/modified_bessel_func.tcc: Likewise.
514 * include/tr1/riemann_zeta.tcc: Likewise.
516 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
518 * doc/xml/manual/allocator.xml: Link to table documenting evolution
519 of extension allocators.
520 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
521 Document new headers in 7.2, 8.1 and 9.1 releases.
522 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
523 * doc/html/*: Regenerate.
525 2019-03-12 John David Anglin <dave.anglin@bell.net>
528 * testsuite/lib/libstdc++.exp: Locate libatomic.
529 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
530 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
532 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
533 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
534 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
535 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
537 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
540 * configure.ac: Check for sockatmark.
541 * crossconfig.m4: Check for sockatmark.
542 * config.h.in: Regenerate.
543 * configure: Regenerate.
544 * include/experimental/internet (address_v4::_S_hton): Rename
545 overloaded functions to _S_hton_16 and _S_ntoh_16.
546 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
547 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
548 * include/experimental/socket (basic_socket::at_mark): Check
549 _GLIBCXX_HAVE_SOCKATMARK.
551 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
552 const variables instead of macros.
555 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
556 Use correct type for len_aligned.
557 * testsuite/20_util/hash/89629.cc: New test.
559 2019-03-11 Jakub Jelinek <jakub@redhat.com>
562 * include/std/atomic (atomic<T>::store, atomic<T>::load,
563 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
564 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
565 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
566 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
567 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
568 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
569 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
570 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
571 memory_order_seq_cst to int.
573 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
575 * doc/xml/manual/using.xml: Use link element instead of xref.
576 * doc/html/*: Regenerate.
578 * include/bits/fs_path.h (path::format): Add fixed underlying type.
580 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
583 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
584 parameters in deduction guides.
585 * include/debug/multimap.h (multimap): Likewise.
586 * include/debug/set.h (multimap): Likewise.
587 * include/debug/multiset.h (multimap): Likewise.
588 * include/debug/unordered_map (unordered_map): Likewise.
589 (unordered_multimap): Likewise.
590 * include/debug/unordered_set (unordered_set): Likewise.
591 (unordered_multiset): Likewise.
594 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
595 Invalidate all iterators in case of rehash.
596 (unordered_multimap<>::_M_check_rehashed): Likewise.
597 * include/debug/unordered_set
598 (unordered_set<>::_M_check_rehashed): Likewise.
599 (unordered_multiset<>::_M_check_rehashed): Likewise.
600 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
602 2019-03-07 Andreas Schwab <schwab@suse.de>
604 * config/abi/post/riscv64-linux-gnu: New directory.
605 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
607 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
609 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
610 compile test to run. Fix typo.
612 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
613 * doc/html/*: Regenerate.
615 P0356R5 Simplified partial function application
616 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
617 helpers for bind_front.
618 (bind_front, __cpp_lib_bind_front): Define.
619 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
621 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
623 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
624 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
625 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
626 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
628 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
630 PR libstdc++/86655 - std::assoc_legendre should not constrain
631 the value of m (or x).
632 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
633 __sph_legendre): If degree > order Don't throw, return 0.
634 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
635 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
636 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
637 * testsuite/tr1/5_numerical_facilities/special_functions/
638 02_assoc_legendre/pr86655.cc: New test.
639 * testsuite/tr1/5_numerical_facilities/special_functions/
640 22_sph_legendre/pr86655.cc: New test.
642 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
645 Also PR libstdc++/85517
646 * include/std/variant (__do_visit): New.
647 (__variant_cast): Likewise.
648 (__variant_cookie): Likewise.
649 (__erased_*): Remove.
650 (_Variant_storage::_S_vtable): Likewise.
651 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
652 (_Variant_storage::__M_reset): Adjust.
653 (__variant_construct): New.
654 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
656 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
657 (_Move_ctor_base::__M_destructive_copy): New.
658 (_Move_ctor_base::__M_destructive_move): Adjust to use
660 (_Copy_assign_base::operator=): Adjust to use __do_visit.
661 (_Copy_assign_alias): Adjust to check both copy assignment
662 and copy construction for triviality.
663 (_Move_assign_base::operator=): Adjust to use __do_visit.
664 (_Multi_array): Add support for visitors that accept and return
666 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
667 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
668 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
669 a __variant_cookie temporary for a variant that is valueless and..
670 (__gen_vtable_impl::__visit_invoke): ..adjust here.
671 (__gen_vtable::_Array_type): Conditionally make space for
672 the __variant_cookie visitor case.
673 (__variant_construct_by_index): New.
674 (get_if): Adjust to use std::addressof.
675 (relops): Adjust to use __do_visit.
676 (variant): Add __variant_cast and __variant_construct_by_index
678 (variant::emplace): Use _M_reset() and __variant_construct_by_index
679 instead of self-destruction.
680 (variant::swap): Adjust to use __do_visit.
681 (visit): Reimplement in terms of __do_visit.
682 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
683 * testsuite/20_util/variant/compile.cc: Adjust.
684 * testsuite/20_util/variant/run.cc: Likewise.
686 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
688 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
690 * testsuite/experimental/feat-char8_t.cc: Likewise.
692 * include/std/type_traits [C++20] (is_bounded_array)
693 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
695 * testsuite/20_util/is_bounded_array/requirements/
696 explicit_instantiation.cc: New test.
697 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
699 * testsuite/20_util/is_bounded_array/value.cc: New test.
700 * testsuite/20_util/is_unbounded_array/requirements/
701 explicit_instantiation.cc: New test.
702 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
704 * testsuite/20_util/is_unbounded_array/value.cc: New test.
706 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
708 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
710 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
712 * include/c_compatibility/math.h [C++20] (lerp): Add using
714 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
715 (__lerp): Define function template to implement lerp.
716 (lerp(float, float, float), lerp(double, double, double))
717 (lerp(long double, long double, long double)): Define for C++20.
718 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
719 (midpoint(T, T), midpoint(T*, T*)): Define.
720 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
721 * testsuite/26_numerics/lerp.cc: New test.
722 * testsuite/26_numerics/midpoint/floating.cc: New test.
723 * testsuite/26_numerics/midpoint/integral.cc: New test.
724 * testsuite/26_numerics/midpoint/pointer.cc: New test.
726 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
728 PR libstdc++/88996 Implement P0439R0
729 Make std::memory_order a scoped enumeration.
730 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
731 add variables for the old enumerators. Adjust calls.
732 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
733 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
735 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
737 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
740 * include/std/memory_resource (polymorphic_allocator): Add default
741 template argument for C++20.
742 (polymorphic_allocator::allocate_bytes)
743 (polymorphic_allocator::deallocate_bytes)
744 (polymorphic_allocator::allocate_object)
745 (polymorphic_allocator::deallocate_object)
746 (polymorphic_allocator::new_object)
747 (polymorphic_allocator::delete_object): New member functions for
749 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
752 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
755 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
758 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
760 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
761 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
763 * include/std/memory (uses_allocator_construction_args): New set of
764 overloaded functions.
765 (make_obj_using_allocator, uninitialized_construct_using_allocator):
767 * include/std/memory_resource (polymorphic_allocator::construct)
768 [__cplusplus > 201703l]: Replace all overloads with a single function
769 using uses_allocator_construction_args.
770 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
772 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
774 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
777 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
778 stylesheet directories before check for xsltproc. Try to use
779 xmlcatalog to find local stylesheet directory before trying hardcoded
780 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
781 check to look for the same stylesheet as doc/Makefile.am uses. Don't
782 use xsltproc if xmlcatalog fails to find a local stylesheet.
783 * configure.ac: Check for xmlcatalog.
784 * Makefile.in: Regenerate.
785 * configure: Likewise.
786 * doc/Makefile.in: Likewise.
787 * include/Makefile.in: Likewise.
788 * libsupc++/Makefile.in: Likewise.
789 * po/Makefile.in: Likewise.
790 * python/Makefile.in: Likewise.
791 * src/Makefile.in: Likewise.
792 * src/c++11/Makefile.in: Likewise.
793 * src/c++17/Makefile.in: Likewise.
794 * src/c++98/Makefile.in: Likewise.
795 * src/filesystem/Makefile.in: Likewise.
796 * testsuite/Makefile.in: Likewise.
798 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
801 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
802 container deduction guides.
803 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
804 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
805 parameters in deduction guides.
806 * include/bits/stl_multimap.h (multimap): Likewise.
807 * include/bits/stl_multiset.h (multiset): Likewise.
808 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
809 * include/bits/stl_set.h (set): Likewise.
810 * include/bits/stl_stack.h (stack): Likewise.
811 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
812 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
813 constrain parameters in deduction guides.
814 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
816 * testsuite/23_containers/map/cons/deduction.cc: Test additional
818 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
819 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
820 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
821 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
823 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
825 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
828 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
829 to class template and partial specialization using void_t.
830 (__is_copy_insertable, __is_move_insertable): Adjust base class.
832 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
835 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
836 copy and move members public.
838 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
840 * include/std/type_traits (__underlying_type_impl): New helper to
841 make underlying_type SFINAE-friendly.
842 (underlying_type): Derive from __underlying_type_impl.
843 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
847 * include/bits/char_traits.h (__constant_char_array): Check index is
848 in range before dereferencing.
849 (char_traits<char>::compare, char_traits<char>::find)
850 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
851 immediately if n is zero.
852 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
853 Remove workarounds for PR 67026.
854 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
856 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
859 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
861 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
862 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
864 2019-02-22 Jakub Jelinek <jakub@redhat.com>
867 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
868 type to std::size_t and argument to type to long double.
870 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
872 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
873 * config/abi/post/sparc64-linux-gnu: New directory.
874 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
875 * config/abi/post/sparc64-linux-gnu/32: New directory.
876 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
878 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
880 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
881 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
884 2019-02-22 Tom Honermann <tom@honermann.net>
886 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
887 printers for u8string and u8string_view.
889 2019-02-22 Tom Honermann <tom@honermann.net>
891 * testsuite/18_support/byte/ops.cc: Validate
892 std::to_integer<char8_t>, std::to_integer<char16_t>, and
893 std::to_integer<char32_t>.
894 * testsuite/18_support/numeric_limits/dr559.cc: Validate
895 std::numeric_limits<char8_t>.
896 * testsuite/18_support/numeric_limits/lowest.cc: Validate
897 std::numeric_limits<char8_t>::lowest().
898 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
899 std::numeric_limits<char8_t>::max_digits10.
900 * testsuite/18_support/type_info/fundamental.cc: Validate
901 typeinfo for char8_t.
902 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
903 std::from_chars with char8_t.
904 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
905 Validate explicit instantiation of std::hash<char8_t>.
906 * testsuite/20_util/is_integral/value.cc: Validate
907 std::is_integral<char8_t>.
908 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
909 Validate std::make_signed<char8_t>.
910 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
911 Validate u8string construction from char8_t sources.
912 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
914 * testsuite/21_strings/basic_string_view/operations/compare/
915 char/70483.cc: Validate substr operations on u8string_view.
916 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
917 the u8string_view typedef is defined.
918 * testsuite/21_strings/char_traits/requirements/
919 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
921 * testsuite/21_strings/char_traits/requirements/
922 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
923 constexpr member functions.
924 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
925 that the u8string typedef is defined.
926 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
927 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
928 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
929 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
931 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
932 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
934 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
935 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
936 Validate std::atomic<char8_t>::is_always_lock_free
937 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
939 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
941 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
943 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
944 Validate std::experimental::pmr::u8string.
945 * testsuite/experimental/string_view/typedefs.cc: Validate that the
946 u8string_view typedef is defined.
947 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
948 char32_t to the typelists.
950 2019-02-22 Tom Honermann <tom@honermann.net>
952 * include/ext/typelist.h: Constrain a partial specialization of
953 typelist::detail::append_ to only match chain<T1,T2>.
955 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
958 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
959 class template with class. Replace move and copy member types with
960 member alias templates, so they are only instantiated when needed.
961 (__is_copy_insertable, __is_move_insertable): Adjust base class.
962 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
963 test for C++11/14/17 as well.
964 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
967 2019-02-20 Jakub Jelinek <jakub@redhat.com>
970 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
971 _GLIBCXX_PURE to the alias declaration.
973 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
975 * testsuite/21_strings/basic_string/literals/types.cc
976 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
977 * testsuite/21_strings/basic_string/literals/values.cc
978 [_GLIBCXX_USE_CHAR8_T]: Likewise.
979 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
980 potentially having different type.
981 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
982 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
984 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
985 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
986 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
987 string literals only using basic character set.
988 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
990 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
991 Test ATOMIC_CHAR8_T_LOCK_FREE.
992 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
993 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
994 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
995 * testsuite/experimental/string_view/literals/types.cc
996 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
998 * testsuite/experimental/string_view/literals/values.cc
999 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1001 2019-02-19 Tom Honermann <tom@honermann.net>
1003 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
1004 from char16_32_t.cc; validates numeric_limits<char8_t>.
1005 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
1006 test cloned from types.cc; validates operator""s for char8_t
1008 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
1009 test cloned from values.cc; validates construction and comparison
1011 * testsuite/21_strings/basic_string/requirements/
1012 /explicit_instantiation/char8_t/1.cc: New test cloned from
1013 char16_t/1.cc; validates explicit instantiation of
1014 basic_string<char8_t>.
1015 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
1016 New test cloned from types.cc; validates operator""sv for char8_t
1017 returns u8string_view.
1018 * testsuite/21_strings/basic_string_view/literals/
1019 values-char8_t.cc: New test cloned from values.cc; validates
1020 construction and comparison of u8string_view values.
1021 * testsuite/21_strings/basic_string_view/requirements/
1022 explicit_instantiation/char8_t/1.cc: New test cloned from
1023 char16_t/1.cc; validates explicit instantiation of
1024 basic_string_view<char8_t>.
1025 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
1026 New test cloned from char16_t/65049.cc; validates that
1027 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
1028 * testsuite/21_strings/char_traits/requirements/char8_t/
1029 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
1030 that char_traits<char8_t> member typedefs are present and correct.
1031 * testsuite/21_strings/char_traits/requirements/
1032 explicit_instantiation/char8_t/1.cc: New test cloned from
1033 char16_t/1.cc; validates explicit instantiation of
1034 char_traits<char8_t>.
1035 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
1036 from char16_t.cc: validates
1037 codecvt<char16_t, char8_t, mbstate_t>.
1038 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
1039 from char32_t.cc: validates
1040 codecvt<char32_t, char8_t, mbstate_t>.
1041 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
1042 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
1043 codecvt<char32_t, char8_t, std::mbstate_t>.
1044 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
1045 test cloned from string.cc; validates filesystem::path construction
1047 * testsuite/experimental/feat-char8_t.cc: New test; validates that
1048 the __cpp_lib_char8_t feature test macro is defined with the
1050 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
1051 New test cloned from string.cc; validates filesystem::path
1052 construction from char8_t input.
1053 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
1054 test cloned from types.cc; validates operator""sv for char8_t
1055 returns u8string_view.
1056 * testsuite/experimental/string_view/literals/values-char8_t.cc:
1057 New test cloned from values.cc; validates construction and
1058 comparison of u8string_view values.
1059 * testsuite/experimental/string_view/requirements/
1060 explicit_instantiation/char8_t/1.cc: New test cloned from
1061 char16_t/1.cc; validates explicit instantiation of
1062 basic_string_view<char8_t>.
1063 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
1064 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
1067 2019-02-19 Tom Honermann <tom@honermann.net>
1069 P0482R5 char8_t: Standard library support
1070 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
1071 typeinfo symbols for char8_t.
1072 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
1073 (GLIBCXX_3.4.26): Add symbols for specializations of
1074 numeric_limits and codecvt that involve char8_t.
1075 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
1076 * include/bits/atomic_base.h: Add atomic_char8_t.
1077 * include/bits/basic_string.h: Add std::hash<u8string> and
1078 operator""s(const char8_t*, size_t).
1079 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
1081 * include/bits/char_traits.h: Add char_traits<char8_t>.
1082 * include/bits/codecvt.h: Add
1083 codecvt<char16_t, char8_t, mbstate_t>,
1084 codecvt<char32_t, char8_t, mbstate_t>,
1085 codecvt_byname<char16_t, char8_t, mbstate_t>, and
1086 codecvt_byname<char32_t, char8_t, mbstate_t>.
1087 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
1088 recognize char8_t as an integral type.
1089 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
1091 (path::u8string): Return std::u8string when char8_t support is
1093 (path::generic_u8string): Likewise.
1094 (path::_S_convert): Handle conversion from char8_t input.
1095 (path::_S_str_convert): Likewise.
1096 * include/bits/functional_hash.h: Add hash<char8_t>.
1097 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
1099 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
1100 for new char8_t specializations.
1101 * include/bits/localefwd.h: Add missing declarations of
1102 codecvt<char16_t, char, mbstate_t> and
1103 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
1104 codecvt<char16_t, char8_t, mbstate_t> and
1105 codecvt<char32_t, char8_t, mbstate_t>.
1106 * include/bits/postypes.h: Add u8streampos
1107 * include/bits/stringfwd.h: Add declarations of
1108 char_traits<char8_t> and u8string.
1109 * include/c_global/cstddef: Add __byte_operand<char8_t>.
1110 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
1112 (path::u8string): Return std::u8string when char8_t support is
1114 (path::generic_u8string): Likewise.
1115 (path::_S_convert): Handle conversion from char8_t input.
1116 (path::_S_str_convert): Likewise.
1117 * include/experimental/string: Add u8string.
1118 * include/experimental/string_view: Add u8string_view,
1119 hash<experimental::u8string_view>, and
1120 operator""sv(const char8_t*, size_t).
1121 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
1122 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
1123 as a character type.
1124 * include/std/limits: Add numeric_limits<char8_t>.
1125 * include/std/string_view: Add u8string_view,
1126 hash<experimental::u8string_view>, and
1127 operator""sv(const char8_t*, size_t).
1128 * include/std/type_traits: Add __is_integral_helper<char8_t>,
1129 __make_unsigned<char8_t>, and __make_signed<char8_t>.
1130 * libsupc++/atomic_lockfree_defines.h: Define
1131 ATOMIC_CHAR8_T_LOCK_FREE.
1132 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
1133 codecvt.cc and limits.cc so that char8_t specializations of
1134 numeric_limits and codecvt and emitted.
1135 * src/c++11/Makefile.in: Likewise.
1136 * src/c++11/codecvt.cc: Define members of
1137 codecvt<char16_t, char8_t, mbstate_t>,
1138 codecvt<char32_t, char8_t, mbstate_t>,
1139 codecvt_byname<char16_t, char8_t, mbstate_t>, and
1140 codecvt_byname<char32_t, char8_t, mbstate_t>.
1141 * src/c++11/limits.cc: Define members of
1142 numeric_limits<char8_t>.
1143 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
1144 locale_init.cc and localename.cc.
1145 * src/c++98/Makefile.in: Likewise.
1146 * src/c++98/locale_init.cc: Add initialization for the
1147 codecvt<char16_t, char8_t, mbstate_t> and
1148 codecvt<char32_t, char8_t, mbstate_t> facets.
1149 * src/c++98/localename.cc: Likewise.
1150 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
1152 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
1154 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
1155 * 27_io/filesystem/operations/resize_file.cc: Likewise.
1156 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
1158 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
1160 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
1161 * doc/html/*: Regenerate.
1163 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
1164 * doc/html/*: Regenerate.
1166 * doc/xml/manual/intro.xml: Document LWG 2586 status.
1167 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
1168 allocator type in is_constructible checks.
1169 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
1170 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
1171 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
1172 problematic type from LWG 2586 discussion.
1173 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
1174 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1176 * configure.ac: Check for C11 timespec_get function.
1177 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
1179 * config.h.in: Regenerate.
1180 * configure: Regenerate.
1181 * include/c_global/ctime (timespec, timespec_get): Add to namespace
1182 std for C++17 and up.
1184 * doc/xml/manual/intro.xml: Document LWG 2537 status.
1185 * include/bits/stl_queue.h
1186 (priority_queue(const Compare&, const Container&, const Alloc&))
1187 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
1189 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
1191 * doc/xml/manual/intro.xml: Document LWG 2566 status.
1192 * include/bits/stl_queue.h (queue, priority_queue): Add static
1193 assertions to enforce LWG 2566 requirement on value_type.
1194 * include/bits/stl_stack.h (stack): Likewise.
1197 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
1199 * doc/xml/manual/intro.xml: Document LWG 2735 status.
1200 * include/bits/std_abs.h: Add comment about LWG 2735.
1201 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
1203 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
1206 * include/std/version [__cpp_impl_destroying_delete]
1207 (__cpp_lib_destroying_delete): Only define for C++2a and later.
1208 * libsupc++/new [__cpp_impl_destroying_delete]
1209 (__cpp_lib_destroying_delete): Likewise.
1210 (destroying_delete_t, destroying_delete): Likewise, but define even
1211 when __cpp_impl_destroying_delete is not defined.
1212 * testsuite/18_support/destroying_delete.cc: New test.
1214 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
1217 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
1218 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
1219 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
1220 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
1222 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
1225 * include/bits/fs_path.h (path::has_root_name)
1226 (path::has_root_directory, path::has_root_path)
1227 (path::has_relative_path, path::has_parent_path)
1228 (path::has_filename, path::has_stem, path::has_extension)
1229 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
1231 * src/c++17/fs_path.cc (path::has_root_name)
1232 (path::has_root_directory, path::has_root_path)
1233 (path::has_relative_path, path::has_parent_path)
1234 (path::has_filename, path::_M_find_extension): Add noexcept.
1236 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
1238 PR libstdc++/89102 (partial)
1239 * include/std/type_traits (common_type<>): Define.
1240 (common_type<T>): Derive from common_type<T, T>.
1241 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
1242 Test zero-length template argument list.
1243 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
1244 Test additional single argument cases.
1245 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
1246 Adjust expected error.
1248 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
1251 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
1253 * include/bits/stl_stack.h (stack): Likewise.
1254 * testsuite/23_containers/priority_queue/deduction.cc: New test.
1255 * testsuite/23_containers/queue/deduction.cc: New test.
1256 * testsuite/23_containers/stack/deduction.cc: New test.
1259 * include/std/type_traits (__is_convertible_helper)
1260 (__is_convertible_helper<_From, _To, false>): Revert changes to
1261 support is_nothrow_convertible.
1262 (__is_nt_convertible_helper): New helper.
1263 (is_nothrow_convertible): Use __is_nt_convertible_helper.
1265 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
1266 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
1269 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
1270 __is_alloc_insertable_impl. Replace single type member with two
1271 members, one for each of copy and move insertable.
1272 (__is_move_insertable): New trait for internal use.
1273 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
1274 (vector::_S_nothrow_relocate(true_type)): New functions to
1275 conditionally check if __relocate_a can throw.
1276 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
1277 on __is_move_insertable.
1278 (vector::_S_do_relocate): New overloaded functions to conditionally
1280 (vector::_S_relocate): New function that dispatches to _S_do_relocate
1281 based on _S_use_relocate.
1282 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1283 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
1284 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
1287 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
1288 parameter unnamed. Add message to static assertion.
1289 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1290 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
1293 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
1296 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
1298 (__is_bitwise_relocatable): ... to this.
1299 (__relocate_a_1): Adapt.
1300 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
1301 (__is_bitwise_relocatable): ... to this.
1303 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
1306 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
1307 final component as well as from _M_pathname. Append the dot using
1308 operator+= instead of only to _M_pathname.
1309 (path::_M_find_extension): Reformat slightly.
1310 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
1311 Add more test cases.
1313 2019-01-30 Ulrich Drepper <drepper@redhat.com>
1315 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
1317 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
1319 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
1320 constexpr specifiers from arg and proj.
1322 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
1323 __shared_ptr instantiations used by gcc4-compatible ABI.
1325 * include/experimental/forward_list (experimental::erase): Qualify
1327 * include/experimental/list (experimental::erase): Likewise.
1328 * include/std/forward_list (std::erase): Likewise.
1329 * include/std/list (std::erase): Likewise.
1331 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
1333 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
1334 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
1335 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
1336 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
1337 * testsuite/ext/array_allocator/26875.cc: Likewise.
1338 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
1339 * testsuite/util/replacement_memory_operators.h: Likewise.
1340 * testsuite/util/testsuite_allocator.h: Likewise.
1342 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
1343 normal mode vector, even for debug mode.
1344 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
1345 Define alias template for normal mode vector.
1347 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
1350 * config/locale/generic/c_locale.h (__convert_from_v)
1351 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
1352 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
1353 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
1354 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
1356 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
1359 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
1360 data member with static member function _S_use_relocate().
1361 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1362 (vector::_M_default_append): Use _S_use_relocate() instead of
1365 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
1368 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
1371 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
1372 write to stderr instead of using printf.
1374 2019-01-21 Jakub Jelinek <jakub@redhat.com>
1377 * include/bits/char_traits.h (__constant_string_p,
1378 __constant_char_array_p): Use __builtin_is_constant_evaluated if
1381 2019-01-20 Ulrich Drepper <drepper@redhat.com>
1383 Implement C++20 P0600r1.
1384 * include/backward/hash_map: Add nodiscard attribute to empty.
1385 * include/backward/hash_set: Likewise.
1386 * backward/hashtable.h: Likewise.
1387 * include/bits/basic_string.h: Likewise.
1388 * include/bits/forward_list.h: Likewise.
1389 * include/bits/hashtable.h: Likewise.
1390 * include/bits/regex.h: Likewise.
1391 * include/bits/stl_deque.h: Likewise.
1392 * include/bits/stl_list.h: Likewise.
1393 * include/bits/stl_map.h: Likewise.
1394 * include/bits/stl_multimap.h: Likewise.
1395 * include/bits/stl_multiset.h: Likewise.
1396 * include/bits/stl_queue.h: Likewise.
1397 * include/bits/stl_set.h: Likewise.
1398 * include/bits/stl_stack.h: Likewise.
1399 * include/bits/stl_tree.h: Likewise.
1400 * include/bits/stl_vector.h: Likewise.
1401 * include/bits/unordered_map.h: Likewise.
1402 * include/bits/unordered_set.h: Likewise.
1403 * include/debug/array: Likewise.
1404 * include/experimental/any: Likewise.
1405 * include/experimental/bits/fs_path.h: Likewise.
1406 * include/experimental/internet: Likewise.
1407 * include/experimental/string_view: Likewise.
1408 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
1410 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
1412 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
1414 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
1416 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
1418 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
1420 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
1422 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
1424 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
1425 info_fn_imps.hpp: Likewise.
1426 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
1427 left_child_next_sibling_heap_.hpp: Likewise.
1428 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
1430 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
1432 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
1434 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
1436 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
1438 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
1440 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
1442 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
1443 * include/ext/pb_ds/trie_policy.hpp: Likewise.
1444 * include/ext/rope: Likewise.
1445 * include/ext/slist: Likewise.
1446 * include/ext/vstring.h: Likewise.
1447 * include/profile/array: Likewise.
1448 * include/std/array: Likewise.
1449 * include/tr1/array: Likewise.
1450 * include/tr1/hashtable.h: Likewise.
1451 * include/tr1/regex: Likewise.
1452 * include/tr2/dynamic_bitset: Likewise.
1453 * include/bits/alloc_traits.h: Add nodiscard attribute to
1455 * include/experimental/memory_resource: Likewise.
1456 * include/ext/alloc_traits.h: Likewise.
1457 * include/ext/array_allocator.h: Likewise.
1458 * include/ext/bitmap_allocator.h: Likewise.
1459 * include/ext/debug_allocator.h: Likewise.
1460 * include/ext/extptr_allocator.h: Likewise.
1461 * include/ext/mt_allocator.h: Likewise.
1462 * include/ext/new_allocator.h: Likewise.
1463 * include/ext/pool_allocator.h: Likewise.
1464 * include/ext/throw_allocator.h: Likewise.
1465 * include/std/scoped_allocator: Likewise.
1466 * libsupc++/eh_alloc.cc: Likewise.
1467 * include/std/future: Add nodiscard attribute to async.
1468 * libsupc++/new: Add nodiscard attribute to new.
1470 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
1475 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
1476 * include/bits/shared_ptr.h
1477 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
1478 (allocate_shared): Change to use new tag type.
1479 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
1480 Declare new member function.
1481 (_Sp_alloc_shared_tag): Define new type.
1482 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
1483 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
1484 _Sp_make_shared_tag::_S_eq to check type_info.
1485 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
1486 Constrain to prevent being called with _Sp_alloc_shared_tag.
1487 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
1488 Replace constructor with ...
1489 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
1490 reference parameter so address of the new object can be returned to
1491 the caller. Obtain the allocator from the tag type.
1492 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
1493 constructor with ...
1494 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
1495 to the __shared_count constructor.
1496 (__allocate_shared): Change to use new tag type.
1497 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
1499 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
1501 * src/c++17/fs_ops.cc
1502 (equivalent(const path&, const path&, error_code&))
1503 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
1504 compare files instead of relying on incomplete info returned by stat.
1507 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
1508 if the path is already absolute.
1509 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
1510 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
1513 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
1514 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
1515 of filesystem::exists.
1516 (create_directories(const path&, error_code&)): Add assertions.
1517 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1518 Add workaround for bug in _wstat for paths with trailing slash.
1519 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
1520 for expected behaviour on mingw.
1521 * testsuite/experimental/filesystem/operations/create_directories.cc:
1523 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
1524 "TMP" instead of "TMPDIR" and clean environment before each test. Do
1525 not test permissions on mingw targets.
1527 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
1529 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
1530 constructors and open members taking wide strings. Fix patterns for
1531 filesystem::path members to match wstring_view parameters. Add
1532 exports for shared_ptr members used by directory iterators.
1533 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
1534 error code parameter if the file doesn't exist.
1535 * src/filesystem/ops.cc (remove(const path&, error_code&)):
1537 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
1538 values for mingw targets, where "/" is not an absolute path. Do not
1539 test symlinks on mingw targets.
1540 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
1541 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
1543 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
1544 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
1545 that each component of the path is created.
1546 * testsuite/experimental/filesystem/operations/create_directories.cc:
1548 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
1549 permissions on mingw targets.
1550 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
1551 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
1552 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
1553 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
1555 * testsuite/experimental/filesystem/operations/permissions.cc:
1557 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
1558 symlinks or permissions on mingw targets.
1559 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
1560 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
1561 symlinks on mingw targets.
1562 * testsuite/experimental/filesystem/operations/remove_all.cc:
1564 * testsuite/27_io/filesystem/operations/status.cc: Do not test
1565 permissions on mingw targets.
1566 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
1567 test symlinks on mingw targets.
1568 * testsuite/experimental/filesystem/operations/space.cc: Fix test
1571 2019-02-14 Ulrich Drepper <drepper@redhat.com>
1574 Warn about unused comparisons of shared_ptr/unique_ptr
1575 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
1576 * include/bits/shared_ptr.h: Use it for operator ==, !=,
1577 <, <=, >, >= for shared_ptr.
1578 * include/bits/unique_ptr.h: Likewise for unique_ptr.
1580 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
1582 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
1583 as 201611L, because P0497R0 changes are supported.
1584 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
1586 * include/bits/erase_if.h [__cplusplus > 201703L]
1587 (__cpp_lib_erase_if): Only define for C++2a.
1588 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
1589 (__cpp_lib_null_iterators): Define.
1590 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
1591 (__cpp_lib_null_iterators): Define.
1592 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
1594 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
1596 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
1598 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
1599 changes are supported.
1600 * include/std/optional (__cpp_lib_optional): Likewise.
1601 * include/std/variant (__cpp_lib_variant): Likewise.
1602 * include/std/version [!__STRICT_ANSI__]
1603 (__cpp_lib_uncaught_exceptions): Define as long integer.
1604 [__cplusplus >= 201703L] (__cpp_lib_any)
1605 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
1606 (__cpp_lib_variant): Define for C++17.
1607 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
1609 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
1612 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
1614 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
1618 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
1620 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
1623 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
1625 * doc/xml/manual/intro.xml: Include new section.
1626 * doc/xml/manual/status_cxx2017.xml: Document more
1627 implementation-defined properties of the library.
1628 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
1629 * doc/html/*: Regenerate.
1631 * include/bits/refwrap.h [__cplusplus > 201703L]
1632 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
1633 (_Reference_wrapper_base_memfun): Do not define for C++2a.
1634 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
1636 (reference_wrapper::operator()): Add static assertion.
1637 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
1639 * include/std/chrono (duration_values::zero(), duration_values::min())
1640 (duration_values::max()): Add noexcept.
1641 (duration::zero(), duration::min(), duration::max()): Likewise.
1642 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
1643 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
1644 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
1646 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
1648 2019-01-11 Jakub Jelinek <jakub@redhat.com>
1650 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
1651 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
1653 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
1656 * include/bits/functional_hash.h (hash<nullptr_t>): Define
1657 specialization for C++17 (P0513R0, LWG 2817).
1658 * testsuite/20_util/hash/nullptr.cc: New test.
1661 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
1662 pattern for std::basic_stringbuf::str().
1664 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
1665 basic_ostream::operator<< patterns.
1667 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
1669 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
1670 test failures on targets with 32-bit time_t.
1672 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
1673 * include/std/deque: Likewise.
1674 * include/std/forward_list: Likewise.
1675 * include/std/list: Likewise.
1676 * include/std/string: Likewise.
1677 * include/std/vector: Likewise.
1678 * include/std/version: Likewise.
1679 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
1680 * testsuite/23_containers/deque/erasure.cc: Likewise.
1681 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
1682 * testsuite/23_containers/list/erasure.cc: Likewise.
1683 * testsuite/23_containers/map/erasure.cc: Likewise.
1684 * testsuite/23_containers/set/erasure.cc: Likewise.
1685 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
1686 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
1687 * testsuite/23_containers/vector/erasure.cc: Likewise.
1689 * include/experimental/internet [AI_NUMERICSERV]
1690 (resolver_base::numeric_service): Define conditionally.
1691 * testsuite/experimental/net/internet/resolver/base.cc: Test it
1693 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
1696 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
1697 Jonathan Wakely <jwakely@redhat.com>
1700 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
1701 (GLIBCXX_3.4.26): Add new exports.
1702 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
1703 correct list of sources.
1704 * include/Makefile.in: Regenerate.
1705 * include/std/ostream (operator<<(nullptr_t)): New member function.
1706 * src/c++17/ostream-inst.cc: New file.
1707 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
1710 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
1712 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
1713 of the source file containing the caller.
1714 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
1715 directories created by test.
1716 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
1718 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
1720 * testsuite/experimental/filesystem/iterators/
1721 recursive_directory_iterator.cc: Likewise.
1723 2019-01-10 Jakub Jelinek <jakub@redhat.com>
1725 PR tree-optimization/88775
1726 * include/bits/stl_function.h (greater<_Tp*>::operator(),
1727 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
1728 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
1729 instead of __builtin_constant_p if available. Don't bother with
1730 the pointer comparison in C++11 and earlier.
1732 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
1736 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
1739 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
1741 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
1742 for filesystem::path. Give variables more distinctive names.
1744 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
1745 member function to perform non-trivial assignment.
1746 (_Optional_payload_base::_M_move_assign): Likewise.
1747 (_Optional_payload<T, true, false, true>::operator=)
1748 (_Optional_payload<T, true, true, false>::operator=)
1749 (_Optional_payload<T, true, false, false>::operator=): Call
1750 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
1753 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
1754 test std::complex<long double> if long double format is IBM128.
1755 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
1758 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
1760 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
1761 for old std::unique_ptr layout.
1762 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
1763 to become valueless. Add filesystem::path tests.
1766 * include/std/optional (_Optional_payload_base): New class template
1767 for common code hoisted from _Optional_payload specializations. Use
1768 a template for the union, to allow a partial specialization for
1769 types with non-trivial destructors. Add constructors for in-place
1770 initialization to the union.
1771 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
1772 to perform non-trivial copy construction, instead of relying on
1773 non-standard copy elision in a delegating constructor.
1774 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
1775 non-trivial move construction.
1776 (_Optional_payload): Derive from _Optional_payload_base and use it
1777 for everything except the non-trivial assignment operators, which are
1779 (_Optional_payload<false, C, M>): Derive from the specialization
1780 _Optional_payload<true, false, false> and add a destructor.
1781 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
1782 Forward to corresponding members of _Optional_payload.
1783 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
1784 Hoist common members from _Optional_base.
1785 (_Optional_base): Make all members and base class public.
1786 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
1787 _Optional_base_impl.
1788 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
1789 support for new std::optional layout.
1790 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
1793 * include/bits/locale_conv.h: Use <> for includes not "".
1794 * include/ext/random: Likewise.
1795 * include/ext/vstring.h: Likewise.
1797 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1799 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
1800 (GLIBCXX_3.4.21): Likewise.
1802 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
1805 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
1806 to match the one that controls whether utimbuf and utime are declared.
1808 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
1811 * include/bits/char_traits.h (char_traits::move): Do not pass null
1812 pointers to memmove.
1813 * include/bits/locale_facets.h
1814 (ctype<char>::widen(const char*, const char*, char*)): Do not
1815 pass null pointers to memcpy.
1816 (ctype<char>::narrow(const char*, const char*, char, char*)):
1818 (ctype<char>::do_widen(const char*, const char*, char*)):
1820 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
1823 * doc/xml/manual/spine.xml: Update copyright years.
1824 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
1825 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
1826 for C++17 filesystem library.
1827 * doc/html/*: Regenerate.
1829 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
1830 * config.h.in: Regenerate.
1831 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
1832 alphabetically and add missing entries for copy_symlink,
1833 hard_link_count, rename, and resize_file.
1834 * configure: Regenerate.
1835 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
1836 used unconditionally.
1837 * src/filesystem/ops-common.h (__gnu_posix::truncate)
1838 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
1839 supports truncating to zero length.
1840 * testsuite/27_io/filesystem/operations/all.cc: New test.
1841 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
1843 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
1846 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
1847 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
1848 * config.h.in: Regenerate.
1849 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
1850 remaining std::filesystem types and functions.
1851 * configure: Regenerate.
1852 * src/c++17/Makefile.am: Add C++17 filesystem sources.
1853 * src/c++17/Makefile.in: Regenerate.
1854 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
1855 here, and change name of included file.
1856 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
1857 here, and change name of included file.
1858 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
1859 path to dir-common.h.
1860 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
1861 path to ops-common.h. Disable -Wunused-parameter warnings.
1862 (internal_file_clock): Define unconditionally.
1863 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
1865 (do_copy_file, do_space): Move definitions to ops.common.h.
1866 (copy, file_size, hard_link_count, last_write_time, space): Only
1867 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
1869 (last_write_time, read_symlink): Remove unused attributes from
1871 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
1872 * src/filesystem/Makefile.in: Regenerate.
1873 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
1874 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
1875 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
1876 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
1877 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
1878 dummy types and functions instead of using #error.
1879 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
1880 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
1882 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
1883 (do_copy_file, do_space): Move definitions here from std-ops.cc.
1884 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
1885 to account for new namespace.
1886 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
1887 -lstdc++fs from dg-options.
1888 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
1889 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
1890 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
1891 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
1892 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
1894 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
1895 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
1897 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
1898 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
1899 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
1900 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
1901 * testsuite/27_io/filesystem/operations/create_directories.cc:
1903 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
1904 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
1905 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
1906 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
1907 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
1908 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
1909 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
1910 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
1911 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
1912 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
1913 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
1914 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
1915 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
1916 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
1917 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
1918 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
1919 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
1920 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
1922 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
1926 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
1927 typeinfo and vtables less greedy.
1928 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
1929 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
1930 * src/c++17/Makefile.in: Regenerate.
1931 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
1932 here, and change name of included file.
1933 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
1934 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
1936 * src/filesystem/Makefile.in: Regenerate.
1937 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
1938 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
1939 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
1940 from dg-options and remove dg-require-filesystem-ts.
1941 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
1942 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
1943 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
1944 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
1945 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
1946 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
1947 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
1948 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
1949 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
1950 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
1951 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
1952 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
1953 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
1954 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
1955 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
1956 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
1957 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
1958 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
1959 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
1960 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
1961 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
1963 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
1964 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
1965 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
1966 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
1967 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
1968 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
1969 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
1970 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
1971 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
1972 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
1973 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
1974 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
1976 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
1978 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
1980 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
1982 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
1983 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
1984 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
1985 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
1986 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
1987 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
1988 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
1989 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
1990 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
1991 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
1993 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
1994 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
1995 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
1996 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
1997 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
2000 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
2001 Check is_trivially_copyable instead of is_scalar.
2002 (variant::emplace<N, Args>(Args&&...)): If construction of the new
2003 contained value can throw and its type is trivially copyable then
2004 construct into a temporary variant and move from it, to provide the
2005 strong exception safety guarantee.
2006 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
2008 * testsuite/20_util/variant/87431.cc: New test.
2009 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
2010 conversion causes valueless state.
2013 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
2014 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
2015 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
2016 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
2017 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
2019 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
2021 * include/bits/fs_fwd.h (__file_clock): Define new clock.
2022 (file_time_type): Redefine in terms of __file_clock.
2023 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
2025 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
2027 (internal_file_lock): New helper type for accessing __file_clock.
2028 (do_copy_file): Use internal_file_lock to convert system time to
2030 (last_write_time(const path&, error_code&)): Likewise.
2031 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
2033 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
2035 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
2036 for const member functions of std::basic_string.
2037 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
2039 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
2040 Make non-standard constructor private.
2041 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
2043 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
2044 explicit instantiations for C++17 as well as earlier dialects.
2045 * src/c++17/Makefile.am: Add new source files.
2046 * src/c++17/Makefile.in: Regenerate.
2047 * src/c++17/cow-string-inst.cc: New file defining explicit
2048 instantiations for basic_string member functions added in C++17.
2049 * src/c++17/string-inst.cc: Likewise.
2051 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
2052 copy/move constructors for old std::basic_string.
2053 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2054 (basic_string::reference, basic_string::const_reference): Define
2055 as plain references for C++11 and later.
2056 (basic_string::basic_string()): Put constructor body outside
2057 preprocessor conditional groups.
2058 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
2059 instead of copying it.
2060 (basic_string::basic_string(const basic_string&, const _Alloc&)):
2062 (basic_string::basic_string(basic_string&&, const _Alloc&)):
2064 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
2065 cases for old basic_string.
2066 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
2067 allocator-extended constructors unconditionally. Add extra members to
2068 allocator type when using old string ABI.
2069 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
2071 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
2073 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
2074 -fno-inline added to test flags.
2076 * testsuite/21_strings/basic_string/requirements/
2077 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
2079 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
2080 assertion failures with old std::string ABI.
2082 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
2084 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
2085 functions that will only erase elements at the end.
2086 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
2087 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
2088 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
2090 (path::_List::pop_back()): Define.
2091 (path::_List::_M_erase_from(const_iterator)): Define.
2092 (path::operator/=(const path&)): Use pop_back to remove last component
2093 and _M_erase_from to remove multiple components.
2094 (path::_M_append(basic_string_view<value_type>)): Likewise.
2095 (path::operator+=(const path&)): Likewise.
2096 (path::_M_concat(basic_string_view<value_type>)): Likewise.
2097 (path::remove_filename()): Likewise.
2098 (path::lexically_normal()): Use _List::_Impl iterators instead of
2099 path::iterator. Use pop_back to remove components from the end. Clear
2100 trailing filename, instead of using erase(const_iterator) to remove
2101 a non-final component.
2102 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
2104 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
2106 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
2107 incorrect treatment of empty filename after trailing slash.
2108 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
2110 * testsuite/21_strings/basic_string/modifiers/assign/char/
2111 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
2113 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
2114 move_assign_optim.cc: Likewise.
2116 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
2117 Jakub Jelinek <jakub@redhat.com>
2120 * include/experimental/memory: Replace UTF-8 quote characters.
2121 * include/std/future: Replace UTF-8 "em dash" characters.
2123 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
2126 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
2127 * include/debug/forward_list: Likewise.
2128 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
2130 * include/experimental/chrono: Likewise.
2131 * include/experimental/functional: Likewise.
2132 * include/experimental/ratio: Likewise.
2133 * include/experimental/system_error: Likewise.
2134 * include/experimental/tuple: Likewise.
2135 * include/experimental/type_traits: Likewise.
2136 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
2137 * include/parallel/multiseq_selection.h: Likewise.
2140 * config/abi/pre/gnu.ver: Add missing exports.
2141 * testsuite/22_locale/collate_byname/88681.cc: New test.
2142 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
2143 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
2145 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
2147 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
2148 initializer_list<value_type> and from input iterator ranges.
2149 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
2151 * testsuite/experimental/string_view/element_access/char/empty.cc:
2152 Fix year range in copyright header.
2154 2019-01-02 Joel Brobecker <brobecker@adacore.com>
2156 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
2157 Fix year range in copyright header.
2159 2019-01-01 Jakub Jelinek <jakub@redhat.com>
2161 Update copyright years.
2163 Copyright (C) 2019 Free Software Foundation, Inc.
2165 Copying and distribution of this file, with or without modification,
2166 are permitted in any medium without royalty provided the copyright
2167 notice and this notice are preserved.