1 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
4 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
5 arguments with __restrict.
7 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
9 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
11 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
13 * include/experimental/bits/fs_path.h
14 (path::_S_convert_loc<_InputIterator>): Create const std::string to
15 avoid redundant call to _S_convert_loc with non-const pointers.
17 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
18 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
19 * testsuite/21_strings/basic_string/hash/hash.cc
20 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
21 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
22 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
24 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
25 wstring::_M_replace_dispatch with more specific patterns.
26 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
27 Create const std::string to avoid redundant call to _S_convert_loc
28 with non-const pointers.
29 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
30 avoid unnecessary basic_string::assign instantiations.
32 * include/std/memory (__uses_alloc_args): Add string-literal to
33 static_assert, to match the one in __uses_alloc.
34 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
35 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
36 for recursive uses-allocator construction of nested pairs.
37 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
40 2019-04-26 Jakub Jelinek <jakub@redhat.com>
42 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
43 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
44 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
45 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
47 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
48 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
49 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
50 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
51 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
52 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
53 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
55 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
58 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
59 * include/std/scoped_allocator [__cplusplus > 201703L]
60 (scoped_allocator_adaptor::construct): Define in terms of
61 uses_allocator_construction_args, as per P0591R4.
62 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
63 * testsuite/util/testsuite_allocator.h: Remove name of unused
66 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
68 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
69 * doc/html/*: Regenerate.
71 * include/bits/fs_path.h (operator<, operator<=, operator>)
72 (operator>=, operator==, operator!=): Make hidden friends, as per
74 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
76 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
78 * include/std/any (any::any(ValueType&&)): Use __and_v.
79 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
82 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
84 * include/std/type_traits (__result_of_memfun): Use remove_reference
85 instead of __remove_cvref_t and remove redundant is_same check.
86 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
88 * include/experimental/string_view (basic_string_view::pointer)
89 (basic_string_view::reference): Fix to refer to non-const value_type.
90 * include/bits/basic_string.h (basic_string): Use __sv_check and
91 __sv_limit instead of basic_string_view::_M_check and
92 basic_string_view::_M_limit.
93 * include/std/string_view (__sv_check, __sv_limit): New
94 helper functions to replace basic_string_view::_M_check and
95 basic_string_view::_M_limit.
96 (basic_string_view): Add static assertions to enforce ill-formed
97 requirement for traits_type::char_type from P1148R0, and to enforce
98 required properties of char-like types.
99 (basic_string_view::pointer, basic_string_view::reference): Fix to
100 refer to non-const value_type.
101 (basic_string_view::operator[], basic_string_view::at)
102 (basic_string_view::front, basic_string_view::back)
103 (basic_string_view::data): Use const_reference and const_pointer
104 typedefs for return types.
105 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
106 (hash<wstring_view>): Fix argument_type typedef.
107 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
108 char/1.cc: Fix expected return type of basic_string_view::data().
109 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
110 wchar_t/1.cc: Likewise.
111 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
113 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
114 wchar_t/1.cc: Likewise.
115 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
117 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
118 Check reference and pointer typedefs.
119 * testsuite/experimental/string_view/requirements/typedefs.cc:
121 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
122 Fix expected return type of basic_string_view::data().
123 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
125 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
127 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
131 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
132 Avoid a runtime check for types that can never be stored in std::any.
133 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
136 PR libstdc++/90220 (partial)
137 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
138 not attempt ill-formed static_cast to pointers to non-object types.
139 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
142 * testsuite/20_util/variant/run.cc: Catch exception by reference to
143 prevent -Wcatch-value warning.
145 * include/std/variant (__variant_construct): Use template parameter
146 type instead of equivalent decltype-specifier.
147 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
148 Replace forward with move.
149 (_Move_ctor_base<false, Types...>::_M_destructive_move)
150 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
151 (_Move_ctor_base<true, Types...>::_M_destructive_move)
152 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
153 index after construction succeeds.
154 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
155 if-constexpr checks that are always true. Use __remove_cvref_t instead
156 of remove_reference so that is_nothrow_move_constructible check
157 doesn't use a const rvalue parameter. In the potentially-throwing case
158 construct a temporary and move assign it, as per LWG 2904.
159 (_Move_assign_base<false, Types...>::operator=): Remove redundant
160 if-constexpr checks that are always true. Use emplace as per LWG 2904.
161 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
162 construct a temporary and move assign from it, as per LWG 2904.
163 * testsuite/20_util/variant/exception_safety.cc: Check that
164 assignment operators have strong exception safety guarantee.
166 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
168 Document PSTL linker flags
170 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
172 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
174 * include/std/variant (__detail::__variant::_Traits): Make
175 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
176 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
178 (__detail::__variant::_Copy_assign_alias): Only depend on
179 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
180 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
181 move assignment operators.
184 * include/std/variant (variant::__not_self): New helper for the
185 is_same_v<remove_cvref_t<T>, variant>==false constraints.
186 (variant::__to_type_impl): Remove.
187 (variant::__to_type): Add default argument to check pack size, instead
188 of using __to_type_impl.
189 (variant::__accepted_type): Add default argument using __not_self.
190 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
191 for variant(T&&) constructor constraint.
192 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
193 Extract __accepted_type into a named template parameter for reuse in
194 other constraints and in the exception specification.
195 (variant::variant(in_place_type_t<T>, Args&&...))
196 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
197 (variant::variant(in_place_index_t<T>, Args&&...))
198 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
199 (variant::operator=T&&)): Remove redundant && from trait arguments.
200 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
201 isn't used for in_place_type or in_place_index arguments.
203 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
204 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
205 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
207 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
208 Bernd Edlinger <bernd.edlinger@hotmail.de>
209 Jakub Jelinek <jakub@redhat.com>
212 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
213 general-regs-only target attribute for ARM.
215 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
218 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
219 specialization also depend on is_nothrow_move_constructible.
220 * include/std/variant (__detail::__variant::__never_valueless()):
221 Only true if the variant would have a move assignment operator.
222 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
223 Check __never_valueless<T...>().
224 (variant::emplace): Only perform non-throwing move assignments
225 for never-valueless alternatives if the variant has a move assignment
227 * testsuite/20_util/variant/compile.cc: Check that never-valueless
228 types can be emplaced into non-assignable variants.
229 * testsuite/20_util/variant/run.cc: Check that never-valueless types
230 don't get copied when emplaced into non-assignable variants.
232 * include/std/variant (__detail::__variant::__ref_cast): Remove
234 (__detail::__variant::_Uninitialized::_M_get)
235 (__detail::__variant::__get)
236 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
238 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
240 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
242 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
243 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
244 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
245 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
247 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
249 Delegate PSTL configuration to pstl/pstl_config.h
251 * include/bits/c++config: Remove explicit PSTL configuration
252 macros and use definitions from <pstl/pstl_config.h>.
254 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
256 Cleanup algorithm implementations
257 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
259 (mismatch): Forward execution policy.
260 (equal): Qualify call to std::equal().
261 (partial_sort): Forward execution policy.
262 (inplace_merge): Forward execution policy.
264 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
266 Improve implementation of parallel equal()
267 * include/pstl/algorithm_impl.h
268 (__internal::__brick_equal): use "4 iterator" version of
270 (__internal::__brick_equal): use simd for random access
271 iterators on unsequenced execution policies.
272 (__internal::__pattern_equal): add "4 iterator" version
273 (__internal::__pattern_equal): dispatch to simd __brick_equal
274 for vector-only execution policies.
275 (__internal::__pattern_equal): dispatch to __parallel_or for
276 parallel execution policies.
277 * include/pstl/glue_algorithm_impl.h
278 (std::equal): dispatch to "4 iterator" version of
279 __internal::__pattern_equal().
281 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
284 * include/bits/forward_list.h (operator==): Do not use operator!= to
286 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
287 earlier in the list, so that sort is stable.
288 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
289 * testsuite/23_containers/forward_list/comparable.cc: Test with
290 types that meet the minimum EqualityComparable and LessThanComparable
291 requirements. Remove irrelevant comment.
293 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
294 Do not depend on whether all alternative types are move constructible.
295 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
296 from the operand when deciding whether to perform the assignment.
297 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
298 with deleted move constructor and deleted move assignment operator.
299 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
300 behaviour of variants with DeletedMoves as an alternative.
301 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
302 (move_ctor, move_assign): Check that moving a variant with a
303 DeletedMoves alternative falls back to copying instead of moving.
305 * testsuite/20_util/variant/compile.cc: Remove empty string literals
306 from static_assert declarations.
308 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
309 actually match its name.
310 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
311 (test_swap()): Fix result for MoveCtorOnly and check
314 * include/std/optional (optional::value_or(U&&) &&): Add missing
316 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
317 for disengaged optionals and rvalue optionals.
318 * testsuite/20_util/optional/observers/4.cc: Likewise.
320 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
322 * include/pstl/algorithm_impl.h: Uglify identfiers.
323 * include/pstl/numeric_impl.h: Uglify identfiers.
324 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
326 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
328 * include/bits/c++config:
329 Add definition for __PSTL_ASSERT.
330 Add definition for __PSTL_ASSERT_MSG.
331 * include/pstl/algorithm_impl.h: Replace use of assert().
332 * include/pstl/numeric_impl.h: Replace use of assert().
333 * include/pstl/parallel_backend_tbb.h:
334 Replace use of assert().
335 Replace use of __TBB_ASSERT().
336 * include/pstl/parallel_backend_utils.h: Replace use of assert().
338 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
341 * src/c++17/memory_resource.cc
342 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
343 needed to allow placing a _Chunk at the end of the buffer.
344 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
346 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
348 * doc/xml/faq.xml: Add information about emergency EH pool.
349 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
350 Move outdated information on mt_allocator to a separate section.
351 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
352 doesn't affect the default allocator.
354 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
358 * testsuite/20_util/variant/89851.cc: New test.
360 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
362 * include/std/variant: Adjust whitespace. Add comments.
363 (_Multi_array): Leave primary template undefined.
364 (_Multi_array<_Tp>): Define partial specialization for base case of
366 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
367 which is always a reference.
368 (__gen_vtable::_S_apply()): Remove function, inline body into
369 default member initializer.
370 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
372 * include/std/variant (__variant_idx_cookie): Add member type.
373 (__visitor_result_type): Remove.
374 (__do_visit): Use invoke_result instead of __visitor_result_type.
375 * testsuite/20_util/variant/visit.cc: New test.
378 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
380 * testsuite/20_util/variant/90008.cc: New test.
382 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
384 * include/pstl/algorithm_impl.h: Add namespace qualification.
385 * include/pstl/execution_defs.h: Add namespace qualification.
386 * include/pstl/execution_impl.h: Add namespace qualification.
387 * include/pstl/numeric_impl.h: Add namespace qualification.
388 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
389 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
390 * include/pstl/parallel_backend_utils.h: Include <cassert>.
392 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
394 Fix visit<R> for variant.
395 * include/std/variant (__do_visit): Add a template parameter
396 for enforcing same return types for visit.
397 (__gen_vtable_impl): Likewise.
398 (_S_apply_single_alt): Adjust.
399 (__visit_invoke_impl): New. Handle casting to void.
400 (__do_visit_invoke): New. Enforces same return types.
401 (__do_visit_invoke_r): New. Converts return types.
402 (__visit_invoke): Adjust.
403 (__gen_vtable): Add a template parameter for enforcing
404 same return types for visit.
405 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
406 different return types.
407 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
408 visitors with different return types don't accidentally
409 compile with regular visitation.
411 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
413 * testsuite/27_io/filesystem/iterators/caching.cc: Add
414 dg-require-filesystem-ts.
416 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
418 * doc/xml/manual/status_cxx2020.xml: Update status.
419 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
420 * testsuite/20_util/variant/visit_r.cc: New test.
422 * include/bits/fs_dir.h (directory_iterator::operator*)
423 (directory_iterator::operator->): Add noexcept.
424 (operator==, operator!=): Replace namespace-scope equality operators
425 for directory iterators with hidden friends.
428 * config/abi/pre/gnu.ver: Add missing exports.
429 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
432 * config/abi/pre/gnu.ver: Export new symbols.
433 * include/bits/fs_dir.h (recursive_directory_iterator::options())
434 (recursive_directory_iterator::recursion_pending())
435 (recursive_directory_iterator::disable_recursion_pending()): Remove
436 inline definitions. Make noexcept.
437 (recursive_directory_iterator::depth())
438 (recursive_directory_iterator::operator*())
439 (recursive_directory_iterator::operator->()): Make noexcept.
440 (recursive_directory_iterator::_M_options)
441 (recursive_directory_iterator::_M_pending): Remove data members.
442 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
443 (recursive_directory_iterator::recursive_directory_iterator): Remove
444 ctor-initializer. Use new constructor for _Dir_stack.
445 (recursive_directory_iterator::options())
446 (recursive_directory_iterator::recursion_pending())
447 (recursive_directory_iterator::disable_recursion_pending()): Add
448 non-inline definitions.
449 (recursive_directory_iterator::depth()): Make noexcept.
450 (recursive_directory_iterator::increment(error_code&))
451 (recursive_directory_iterator::pop(error_code&)): Adjust to new
452 location of options and recursion_pending members.
453 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
454 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
455 user-declared move constructor and assignment operator, to make the
458 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
459 d_type == DT_UNKNOWN immediately.
460 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
462 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
464 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
466 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
467 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
470 PR libstdc++/87431 (again)
471 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
472 Define partial specialization for basic_string.
473 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
474 shared_ptr and weak_ptr.
475 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
477 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
479 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
481 * include/debug/vector (_Never_valueless_alt): Likewise for debug
483 * include/std/any (_Never_valueless_alt): Define explicit
484 specialization for any.
485 * include/std/variant (_Never_valueless_alt): Define primary template.
486 (__never_valueless): Use _Never_valueless_alt instead of
487 is_trivially_copyable.
488 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
489 initializations to avoid try-catch overhead. Add special case for
490 scalars produced by potentially-throwing conversions. Use
491 _Never_valueless_alt instead of is_trivially_copyable for the
492 remaining strong exception-safety cases.
493 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
494 * testsuite/20_util/variant/87431.cc: Run both test functions.
495 * testsuite/20_util/variant/exception_safety.cc: New test.
496 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
497 so the variant becomes valueless.
499 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
502 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
504 (variant::emplace<_Tp>): Return result of emplace<N> directly.
506 * include/std/string (__hash_string_base): New class template defining
507 operator() for hashing strings.
508 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
509 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
510 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
511 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
513 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
515 Use single-visitation in variant assignment and swap and relops.
516 Also use indices instead of types when checking whether
517 variants hold the same thing.
518 * include/std/variant (__do_visit): Add a template parameter
519 for index visitation, invoke with indices if index visitation
521 (__variant_idx_cookie): New.
522 (__visit_with_index): Likewise.
523 (_Copy_assign_base::operator=): Do single-visitation with
525 (_Move_assign_base::operator=): Likewise.
526 (_Extra_visit_slot_needed): Adjust.
527 (__visit_invoke): Call with indices if it's an index visitor.
528 (relops): Do single-visitation with an index visitor.
530 (__visitor_result_type): New.
532 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
534 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
536 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
538 Don't revisit a variant we are already visiting.
539 * include/std/variant (__variant_construct_single): New.
540 (__variant_construct): Use it.
541 (_M_destructive_move): Likewise.
542 (_M_destructive_copy): Likewise.
543 (_Copy_assign_base::operator=): Adjust.
544 (_Move_assign_base::operator=): Likewise.
547 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
550 * include/bits/hashtable.h (_Hashtable): Move static assertions to
551 destructor so they are not evaluated until the _Key type is complete.
552 * include/bits/stl_tree.h (_Rb_tree): Likewise.
553 * testsuite/23_containers/set/85965.cc: New test.
554 * testsuite/23_containers/unordered_set/85965.cc: New test.
555 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
556 with regexp matching the corresponding _Rb_tree specialization.
557 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
558 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
559 * testsuite/23_containers/set/48101_neg.cc: Likewise.
560 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
561 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
562 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
563 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
565 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
568 Fix based on a suggestion by Antony Polukhin.
569 * include/std/variant (__never_valueless): New.
571 (_Extra_visit_slot_needed): New.
572 (_Multi_array): Use it.
573 (_S_apply_all_alts): Likewise.
575 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
578 Fix based on a suggestion by Antony Polukhin.
579 * include/std/variant (__gen_vtable): Don't reserve an
580 additional table slot, _Multi_array already does that.
582 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
585 Fix based on a suggestion by Antony Polukhin.
586 * include/std/variant (__variant_construct): Capture a pointer
587 to the storage and visit just one variant.
589 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
591 * doc/xml/manual/backwards_compatibility.xml: Remove link to
592 Doxygen-generated pages with unstable URL.
593 * doc/xml/manual/concurrency_extensions.xml: Likewise.
594 * doc/xml/manual/extensions.xml: Likewise.
595 * doc/xml/manual/parallel_mode.xml: Likewise.
596 * doc/xml/manual/support.xml: Likewise.
598 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
599 avoid -Wconversion warnings.
601 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
603 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
604 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
605 (allstamped): Add stamp-pstl.
606 (install-headers): Add ptsl_builddir.
607 * include/Makefile.in: Regenerate.
608 * include/bits/c++config: Add pstl configuration.
609 * include/pstl/LICENSE.txt: New file.
610 * include/pstl/algorithm_fwd.h: New file.
611 * include/pstl/algorithm_impl.h: New file.
612 * include/pstl/execution_defs.h: New file.
613 * include/pstl/execution_impl.h: New file.
614 * include/pstl/glue_algorithm_defs.h: New file.
615 * include/pstl/glue_algorithm_impl.h: New file.
616 * include/pstl/glue_execution_defs.h: New file.
617 * include/pstl/glue_memory_defs.h: New file.
618 * include/pstl/glue_memory_impl.h: New file.
619 * include/pstl/glue_numeric_defs.h: New file.
620 * include/pstl/glue_numeric_impl.h: New file.
621 * include/pstl/memory_impl.h: New file.
622 * include/pstl/numeric_fwd.h: New file.
623 * include/pstl/numeric_impl.h: New file.
624 * include/pstl/parallel_backend.h: New file.
625 * include/pstl/parallel_backend_tbb.h: New file.
626 * include/pstl/parallel_backend_utils.h: New file.
627 * include/pstl/parallel_impl.h: New file.
628 * include/pstl/pstl_config.h: New file.
629 * include/pstl/unseq_backend_simd.h: New file.
630 * include/pstl/utils.h: New file.
631 * include/std/algorithm: Include parallel algorithm implementations.
632 * include/std/execution: New file.
633 * include/std/memory: Include parallel algorithm implementations.
634 * include/std/numeric: Include parallel algorithm implementations.
635 * include/std/version: Add parallel algorithms feature test macro.
636 * testsuite/util/pstl/pstl_test_config.h: New file.
637 * testsuite/util/pstl/test_utils.h: New file.
638 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
639 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
640 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
641 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
642 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
643 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
644 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
645 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
646 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
647 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
648 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
649 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
650 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
651 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
652 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
653 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
654 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
655 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
656 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
657 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
658 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
659 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
660 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
661 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
662 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
663 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
664 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
665 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
666 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
667 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
668 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
669 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
670 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
671 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
672 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
673 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
674 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
675 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
676 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
677 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
678 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
679 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
680 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
681 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
682 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
683 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
684 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
685 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
686 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
687 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
688 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
689 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
690 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
691 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
692 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
693 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
694 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
695 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
696 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
697 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
698 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
699 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
700 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
701 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
702 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
703 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
704 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
705 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
706 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
707 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
708 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
709 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
710 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
711 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
712 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
713 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
714 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
715 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
716 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
717 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
718 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
719 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
720 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
721 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
722 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
723 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
724 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
725 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
726 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
727 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
728 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
729 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
730 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
731 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
732 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
733 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
734 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
735 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
736 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
737 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
738 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
739 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
740 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
741 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
742 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
743 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
745 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
747 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
748 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
749 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
750 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
751 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
752 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
753 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
754 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
755 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
756 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
757 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
758 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
759 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
760 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
761 when the special functions IS is enabled, not for C++17.
762 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
764 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
765 without checks for special functions in C++17.
766 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
770 * include/backward/hash_map: Use <> for includes not "".
771 * include/backward/hash_set: Likewise.
772 * include/backward/strstream: Likewise.
773 * include/tr1/bessel_function.tcc: Likewise.
774 * include/tr1/exp_integral.tcc: Likewise.
775 * include/tr1/legendre_function.tcc: Likewise.
776 * include/tr1/modified_bessel_func.tcc: Likewise.
777 * include/tr1/riemann_zeta.tcc: Likewise.
779 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
781 * doc/xml/manual/allocator.xml: Link to table documenting evolution
782 of extension allocators.
783 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
784 Document new headers in 7.2, 8.1 and 9.1 releases.
785 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
786 * doc/html/*: Regenerate.
788 2019-03-12 John David Anglin <dave.anglin@bell.net>
791 * testsuite/lib/libstdc++.exp: Locate libatomic.
792 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
793 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
795 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
796 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
797 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
798 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
800 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
803 * configure.ac: Check for sockatmark.
804 * crossconfig.m4: Check for sockatmark.
805 * config.h.in: Regenerate.
806 * configure: Regenerate.
807 * include/experimental/internet (address_v4::_S_hton): Rename
808 overloaded functions to _S_hton_16 and _S_ntoh_16.
809 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
810 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
811 * include/experimental/socket (basic_socket::at_mark): Check
812 _GLIBCXX_HAVE_SOCKATMARK.
814 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
815 const variables instead of macros.
818 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
819 Use correct type for len_aligned.
820 * testsuite/20_util/hash/89629.cc: New test.
822 2019-03-11 Jakub Jelinek <jakub@redhat.com>
825 * include/std/atomic (atomic<T>::store, atomic<T>::load,
826 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
827 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
828 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
829 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
830 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
831 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
832 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
833 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
834 memory_order_seq_cst to int.
836 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
838 * doc/xml/manual/using.xml: Use link element instead of xref.
839 * doc/html/*: Regenerate.
841 * include/bits/fs_path.h (path::format): Add fixed underlying type.
843 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
846 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
847 parameters in deduction guides.
848 * include/debug/multimap.h (multimap): Likewise.
849 * include/debug/set.h (multimap): Likewise.
850 * include/debug/multiset.h (multimap): Likewise.
851 * include/debug/unordered_map (unordered_map): Likewise.
852 (unordered_multimap): Likewise.
853 * include/debug/unordered_set (unordered_set): Likewise.
854 (unordered_multiset): Likewise.
857 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
858 Invalidate all iterators in case of rehash.
859 (unordered_multimap<>::_M_check_rehashed): Likewise.
860 * include/debug/unordered_set
861 (unordered_set<>::_M_check_rehashed): Likewise.
862 (unordered_multiset<>::_M_check_rehashed): Likewise.
863 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
865 2019-03-07 Andreas Schwab <schwab@suse.de>
867 * config/abi/post/riscv64-linux-gnu: New directory.
868 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
870 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
872 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
873 compile test to run. Fix typo.
875 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
876 * doc/html/*: Regenerate.
878 P0356R5 Simplified partial function application
879 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
880 helpers for bind_front.
881 (bind_front, __cpp_lib_bind_front): Define.
882 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
884 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
886 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
887 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
888 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
889 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
891 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
893 PR libstdc++/86655 - std::assoc_legendre should not constrain
894 the value of m (or x).
895 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
896 __sph_legendre): If degree > order Don't throw, return 0.
897 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
898 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
899 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
900 * testsuite/tr1/5_numerical_facilities/special_functions/
901 02_assoc_legendre/pr86655.cc: New test.
902 * testsuite/tr1/5_numerical_facilities/special_functions/
903 22_sph_legendre/pr86655.cc: New test.
905 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
908 Also PR libstdc++/85517
909 * include/std/variant (__do_visit): New.
910 (__variant_cast): Likewise.
911 (__variant_cookie): Likewise.
912 (__erased_*): Remove.
913 (_Variant_storage::_S_vtable): Likewise.
914 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
915 (_Variant_storage::__M_reset): Adjust.
916 (__variant_construct): New.
917 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
919 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
920 (_Move_ctor_base::__M_destructive_copy): New.
921 (_Move_ctor_base::__M_destructive_move): Adjust to use
923 (_Copy_assign_base::operator=): Adjust to use __do_visit.
924 (_Copy_assign_alias): Adjust to check both copy assignment
925 and copy construction for triviality.
926 (_Move_assign_base::operator=): Adjust to use __do_visit.
927 (_Multi_array): Add support for visitors that accept and return
929 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
930 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
931 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
932 a __variant_cookie temporary for a variant that is valueless and..
933 (__gen_vtable_impl::__visit_invoke): ..adjust here.
934 (__gen_vtable::_Array_type): Conditionally make space for
935 the __variant_cookie visitor case.
936 (__variant_construct_by_index): New.
937 (get_if): Adjust to use std::addressof.
938 (relops): Adjust to use __do_visit.
939 (variant): Add __variant_cast and __variant_construct_by_index
941 (variant::emplace): Use _M_reset() and __variant_construct_by_index
942 instead of self-destruction.
943 (variant::swap): Adjust to use __do_visit.
944 (visit): Reimplement in terms of __do_visit.
945 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
946 * testsuite/20_util/variant/compile.cc: Adjust.
947 * testsuite/20_util/variant/run.cc: Likewise.
949 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
951 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
953 * testsuite/experimental/feat-char8_t.cc: Likewise.
955 * include/std/type_traits [C++20] (is_bounded_array)
956 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
958 * testsuite/20_util/is_bounded_array/requirements/
959 explicit_instantiation.cc: New test.
960 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
962 * testsuite/20_util/is_bounded_array/value.cc: New test.
963 * testsuite/20_util/is_unbounded_array/requirements/
964 explicit_instantiation.cc: New test.
965 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
967 * testsuite/20_util/is_unbounded_array/value.cc: New test.
969 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
971 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
973 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
975 * include/c_compatibility/math.h [C++20] (lerp): Add using
977 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
978 (__lerp): Define function template to implement lerp.
979 (lerp(float, float, float), lerp(double, double, double))
980 (lerp(long double, long double, long double)): Define for C++20.
981 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
982 (midpoint(T, T), midpoint(T*, T*)): Define.
983 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
984 * testsuite/26_numerics/lerp.cc: New test.
985 * testsuite/26_numerics/midpoint/floating.cc: New test.
986 * testsuite/26_numerics/midpoint/integral.cc: New test.
987 * testsuite/26_numerics/midpoint/pointer.cc: New test.
989 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
991 PR libstdc++/88996 Implement P0439R0
992 Make std::memory_order a scoped enumeration.
993 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
994 add variables for the old enumerators. Adjust calls.
995 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
996 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
998 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
1000 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
1003 * include/std/memory_resource (polymorphic_allocator): Add default
1004 template argument for C++20.
1005 (polymorphic_allocator::allocate_bytes)
1006 (polymorphic_allocator::deallocate_bytes)
1007 (polymorphic_allocator::allocate_object)
1008 (polymorphic_allocator::deallocate_object)
1009 (polymorphic_allocator::new_object)
1010 (polymorphic_allocator::delete_object): New member functions for
1012 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
1015 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
1018 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
1021 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
1023 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
1024 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
1026 * include/std/memory (uses_allocator_construction_args): New set of
1027 overloaded functions.
1028 (make_obj_using_allocator, uninitialized_construct_using_allocator):
1030 * include/std/memory_resource (polymorphic_allocator::construct)
1031 [__cplusplus > 201703l]: Replace all overloads with a single function
1032 using uses_allocator_construction_args.
1033 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
1035 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
1037 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
1040 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
1041 stylesheet directories before check for xsltproc. Try to use
1042 xmlcatalog to find local stylesheet directory before trying hardcoded
1043 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
1044 check to look for the same stylesheet as doc/Makefile.am uses. Don't
1045 use xsltproc if xmlcatalog fails to find a local stylesheet.
1046 * configure.ac: Check for xmlcatalog.
1047 * Makefile.in: Regenerate.
1048 * configure: Likewise.
1049 * doc/Makefile.in: Likewise.
1050 * include/Makefile.in: Likewise.
1051 * libsupc++/Makefile.in: Likewise.
1052 * po/Makefile.in: Likewise.
1053 * python/Makefile.in: Likewise.
1054 * src/Makefile.in: Likewise.
1055 * src/c++11/Makefile.in: Likewise.
1056 * src/c++17/Makefile.in: Likewise.
1057 * src/c++98/Makefile.in: Likewise.
1058 * src/filesystem/Makefile.in: Likewise.
1059 * testsuite/Makefile.in: Likewise.
1061 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
1064 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
1065 container deduction guides.
1066 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
1067 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
1068 parameters in deduction guides.
1069 * include/bits/stl_multimap.h (multimap): Likewise.
1070 * include/bits/stl_multiset.h (multiset): Likewise.
1071 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
1072 * include/bits/stl_set.h (set): Likewise.
1073 * include/bits/stl_stack.h (stack): Likewise.
1074 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
1075 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
1076 constrain parameters in deduction guides.
1077 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
1079 * testsuite/23_containers/map/cons/deduction.cc: Test additional
1081 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
1082 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
1083 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
1084 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
1086 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
1088 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
1091 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
1092 to class template and partial specialization using void_t.
1093 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1095 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
1098 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
1099 copy and move members public.
1101 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
1103 * include/std/type_traits (__underlying_type_impl): New helper to
1104 make underlying_type SFINAE-friendly.
1105 (underlying_type): Derive from __underlying_type_impl.
1106 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
1110 * include/bits/char_traits.h (__constant_char_array): Check index is
1111 in range before dereferencing.
1112 (char_traits<char>::compare, char_traits<char>::find)
1113 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
1114 immediately if n is zero.
1115 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
1116 Remove workarounds for PR 67026.
1117 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
1119 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
1122 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1124 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
1125 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
1127 2019-02-22 Jakub Jelinek <jakub@redhat.com>
1130 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
1131 type to std::size_t and argument to type to long double.
1133 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1135 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
1136 * config/abi/post/sparc64-linux-gnu: New directory.
1137 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
1138 * config/abi/post/sparc64-linux-gnu/32: New directory.
1139 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
1141 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1143 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
1144 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
1147 2019-02-22 Tom Honermann <tom@honermann.net>
1149 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
1150 printers for u8string and u8string_view.
1152 2019-02-22 Tom Honermann <tom@honermann.net>
1154 * testsuite/18_support/byte/ops.cc: Validate
1155 std::to_integer<char8_t>, std::to_integer<char16_t>, and
1156 std::to_integer<char32_t>.
1157 * testsuite/18_support/numeric_limits/dr559.cc: Validate
1158 std::numeric_limits<char8_t>.
1159 * testsuite/18_support/numeric_limits/lowest.cc: Validate
1160 std::numeric_limits<char8_t>::lowest().
1161 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
1162 std::numeric_limits<char8_t>::max_digits10.
1163 * testsuite/18_support/type_info/fundamental.cc: Validate
1164 typeinfo for char8_t.
1165 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
1166 std::from_chars with char8_t.
1167 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
1168 Validate explicit instantiation of std::hash<char8_t>.
1169 * testsuite/20_util/is_integral/value.cc: Validate
1170 std::is_integral<char8_t>.
1171 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
1172 Validate std::make_signed<char8_t>.
1173 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
1174 Validate u8string construction from char8_t sources.
1175 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
1177 * testsuite/21_strings/basic_string_view/operations/compare/
1178 char/70483.cc: Validate substr operations on u8string_view.
1179 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
1180 the u8string_view typedef is defined.
1181 * testsuite/21_strings/char_traits/requirements/
1182 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
1184 * testsuite/21_strings/char_traits/requirements/
1185 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
1186 constexpr member functions.
1187 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
1188 that the u8string typedef is defined.
1189 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
1190 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
1191 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
1192 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
1194 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
1195 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
1197 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
1198 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
1199 Validate std::atomic<char8_t>::is_always_lock_free
1200 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
1201 Update line numbers.
1202 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
1204 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
1206 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1207 Validate std::experimental::pmr::u8string.
1208 * testsuite/experimental/string_view/typedefs.cc: Validate that the
1209 u8string_view typedef is defined.
1210 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
1211 char32_t to the typelists.
1213 2019-02-22 Tom Honermann <tom@honermann.net>
1215 * include/ext/typelist.h: Constrain a partial specialization of
1216 typelist::detail::append_ to only match chain<T1,T2>.
1218 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1221 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
1222 class template with class. Replace move and copy member types with
1223 member alias templates, so they are only instantiated when needed.
1224 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1225 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
1226 test for C++11/14/17 as well.
1227 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
1230 2019-02-20 Jakub Jelinek <jakub@redhat.com>
1233 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
1234 _GLIBCXX_PURE to the alias declaration.
1236 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
1238 * testsuite/21_strings/basic_string/literals/types.cc
1239 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
1240 * testsuite/21_strings/basic_string/literals/values.cc
1241 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1242 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
1243 potentially having different type.
1244 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1245 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
1247 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
1248 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1249 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
1250 string literals only using basic character set.
1251 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
1252 u8 literals to char.
1253 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
1254 Test ATOMIC_CHAR8_T_LOCK_FREE.
1255 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
1256 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
1257 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
1258 * testsuite/experimental/string_view/literals/types.cc
1259 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
1261 * testsuite/experimental/string_view/literals/values.cc
1262 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1264 2019-02-19 Tom Honermann <tom@honermann.net>
1266 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
1267 from char16_32_t.cc; validates numeric_limits<char8_t>.
1268 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
1269 test cloned from types.cc; validates operator""s for char8_t
1271 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
1272 test cloned from values.cc; validates construction and comparison
1274 * testsuite/21_strings/basic_string/requirements/
1275 /explicit_instantiation/char8_t/1.cc: New test cloned from
1276 char16_t/1.cc; validates explicit instantiation of
1277 basic_string<char8_t>.
1278 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
1279 New test cloned from types.cc; validates operator""sv for char8_t
1280 returns u8string_view.
1281 * testsuite/21_strings/basic_string_view/literals/
1282 values-char8_t.cc: New test cloned from values.cc; validates
1283 construction and comparison of u8string_view values.
1284 * testsuite/21_strings/basic_string_view/requirements/
1285 explicit_instantiation/char8_t/1.cc: New test cloned from
1286 char16_t/1.cc; validates explicit instantiation of
1287 basic_string_view<char8_t>.
1288 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
1289 New test cloned from char16_t/65049.cc; validates that
1290 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
1291 * testsuite/21_strings/char_traits/requirements/char8_t/
1292 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
1293 that char_traits<char8_t> member typedefs are present and correct.
1294 * testsuite/21_strings/char_traits/requirements/
1295 explicit_instantiation/char8_t/1.cc: New test cloned from
1296 char16_t/1.cc; validates explicit instantiation of
1297 char_traits<char8_t>.
1298 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
1299 from char16_t.cc: validates
1300 codecvt<char16_t, char8_t, mbstate_t>.
1301 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
1302 from char32_t.cc: validates
1303 codecvt<char32_t, char8_t, mbstate_t>.
1304 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
1305 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
1306 codecvt<char32_t, char8_t, std::mbstate_t>.
1307 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
1308 test cloned from string.cc; validates filesystem::path construction
1310 * testsuite/experimental/feat-char8_t.cc: New test; validates that
1311 the __cpp_lib_char8_t feature test macro is defined with the
1313 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
1314 New test cloned from string.cc; validates filesystem::path
1315 construction from char8_t input.
1316 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
1317 test cloned from types.cc; validates operator""sv for char8_t
1318 returns u8string_view.
1319 * testsuite/experimental/string_view/literals/values-char8_t.cc:
1320 New test cloned from values.cc; validates construction and
1321 comparison of u8string_view values.
1322 * testsuite/experimental/string_view/requirements/
1323 explicit_instantiation/char8_t/1.cc: New test cloned from
1324 char16_t/1.cc; validates explicit instantiation of
1325 basic_string_view<char8_t>.
1326 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
1327 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
1330 2019-02-19 Tom Honermann <tom@honermann.net>
1332 P0482R5 char8_t: Standard library support
1333 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
1334 typeinfo symbols for char8_t.
1335 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
1336 (GLIBCXX_3.4.26): Add symbols for specializations of
1337 numeric_limits and codecvt that involve char8_t.
1338 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
1339 * include/bits/atomic_base.h: Add atomic_char8_t.
1340 * include/bits/basic_string.h: Add std::hash<u8string> and
1341 operator""s(const char8_t*, size_t).
1342 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
1344 * include/bits/char_traits.h: Add char_traits<char8_t>.
1345 * include/bits/codecvt.h: Add
1346 codecvt<char16_t, char8_t, mbstate_t>,
1347 codecvt<char32_t, char8_t, mbstate_t>,
1348 codecvt_byname<char16_t, char8_t, mbstate_t>, and
1349 codecvt_byname<char32_t, char8_t, mbstate_t>.
1350 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
1351 recognize char8_t as an integral type.
1352 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
1354 (path::u8string): Return std::u8string when char8_t support is
1356 (path::generic_u8string): Likewise.
1357 (path::_S_convert): Handle conversion from char8_t input.
1358 (path::_S_str_convert): Likewise.
1359 * include/bits/functional_hash.h: Add hash<char8_t>.
1360 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
1362 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
1363 for new char8_t specializations.
1364 * include/bits/localefwd.h: Add missing declarations of
1365 codecvt<char16_t, char, mbstate_t> and
1366 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
1367 codecvt<char16_t, char8_t, mbstate_t> and
1368 codecvt<char32_t, char8_t, mbstate_t>.
1369 * include/bits/postypes.h: Add u8streampos
1370 * include/bits/stringfwd.h: Add declarations of
1371 char_traits<char8_t> and u8string.
1372 * include/c_global/cstddef: Add __byte_operand<char8_t>.
1373 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
1375 (path::u8string): Return std::u8string when char8_t support is
1377 (path::generic_u8string): Likewise.
1378 (path::_S_convert): Handle conversion from char8_t input.
1379 (path::_S_str_convert): Likewise.
1380 * include/experimental/string: Add u8string.
1381 * include/experimental/string_view: Add u8string_view,
1382 hash<experimental::u8string_view>, and
1383 operator""sv(const char8_t*, size_t).
1384 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
1385 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
1386 as a character type.
1387 * include/std/limits: Add numeric_limits<char8_t>.
1388 * include/std/string_view: Add u8string_view,
1389 hash<experimental::u8string_view>, and
1390 operator""sv(const char8_t*, size_t).
1391 * include/std/type_traits: Add __is_integral_helper<char8_t>,
1392 __make_unsigned<char8_t>, and __make_signed<char8_t>.
1393 * libsupc++/atomic_lockfree_defines.h: Define
1394 ATOMIC_CHAR8_T_LOCK_FREE.
1395 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
1396 codecvt.cc and limits.cc so that char8_t specializations of
1397 numeric_limits and codecvt and emitted.
1398 * src/c++11/Makefile.in: Likewise.
1399 * src/c++11/codecvt.cc: Define members of
1400 codecvt<char16_t, char8_t, mbstate_t>,
1401 codecvt<char32_t, char8_t, mbstate_t>,
1402 codecvt_byname<char16_t, char8_t, mbstate_t>, and
1403 codecvt_byname<char32_t, char8_t, mbstate_t>.
1404 * src/c++11/limits.cc: Define members of
1405 numeric_limits<char8_t>.
1406 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
1407 locale_init.cc and localename.cc.
1408 * src/c++98/Makefile.in: Likewise.
1409 * src/c++98/locale_init.cc: Add initialization for the
1410 codecvt<char16_t, char8_t, mbstate_t> and
1411 codecvt<char32_t, char8_t, mbstate_t> facets.
1412 * src/c++98/localename.cc: Likewise.
1413 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
1415 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
1417 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
1418 * 27_io/filesystem/operations/resize_file.cc: Likewise.
1419 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
1421 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
1423 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
1424 * doc/html/*: Regenerate.
1426 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
1427 * doc/html/*: Regenerate.
1429 * doc/xml/manual/intro.xml: Document LWG 2586 status.
1430 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
1431 allocator type in is_constructible checks.
1432 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
1433 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
1434 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
1435 problematic type from LWG 2586 discussion.
1436 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
1437 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1439 * configure.ac: Check for C11 timespec_get function.
1440 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
1442 * config.h.in: Regenerate.
1443 * configure: Regenerate.
1444 * include/c_global/ctime (timespec, timespec_get): Add to namespace
1445 std for C++17 and up.
1447 * doc/xml/manual/intro.xml: Document LWG 2537 status.
1448 * include/bits/stl_queue.h
1449 (priority_queue(const Compare&, const Container&, const Alloc&))
1450 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
1452 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
1454 * doc/xml/manual/intro.xml: Document LWG 2566 status.
1455 * include/bits/stl_queue.h (queue, priority_queue): Add static
1456 assertions to enforce LWG 2566 requirement on value_type.
1457 * include/bits/stl_stack.h (stack): Likewise.
1460 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
1462 * doc/xml/manual/intro.xml: Document LWG 2735 status.
1463 * include/bits/std_abs.h: Add comment about LWG 2735.
1464 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
1466 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
1469 * include/std/version [__cpp_impl_destroying_delete]
1470 (__cpp_lib_destroying_delete): Only define for C++2a and later.
1471 * libsupc++/new [__cpp_impl_destroying_delete]
1472 (__cpp_lib_destroying_delete): Likewise.
1473 (destroying_delete_t, destroying_delete): Likewise, but define even
1474 when __cpp_impl_destroying_delete is not defined.
1475 * testsuite/18_support/destroying_delete.cc: New test.
1477 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
1480 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
1481 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
1482 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
1483 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
1485 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
1488 * include/bits/fs_path.h (path::has_root_name)
1489 (path::has_root_directory, path::has_root_path)
1490 (path::has_relative_path, path::has_parent_path)
1491 (path::has_filename, path::has_stem, path::has_extension)
1492 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
1494 * src/c++17/fs_path.cc (path::has_root_name)
1495 (path::has_root_directory, path::has_root_path)
1496 (path::has_relative_path, path::has_parent_path)
1497 (path::has_filename, path::_M_find_extension): Add noexcept.
1499 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
1501 PR libstdc++/89102 (partial)
1502 * include/std/type_traits (common_type<>): Define.
1503 (common_type<T>): Derive from common_type<T, T>.
1504 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
1505 Test zero-length template argument list.
1506 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
1507 Test additional single argument cases.
1508 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
1509 Adjust expected error.
1511 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
1514 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
1516 * include/bits/stl_stack.h (stack): Likewise.
1517 * testsuite/23_containers/priority_queue/deduction.cc: New test.
1518 * testsuite/23_containers/queue/deduction.cc: New test.
1519 * testsuite/23_containers/stack/deduction.cc: New test.
1522 * include/std/type_traits (__is_convertible_helper)
1523 (__is_convertible_helper<_From, _To, false>): Revert changes to
1524 support is_nothrow_convertible.
1525 (__is_nt_convertible_helper): New helper.
1526 (is_nothrow_convertible): Use __is_nt_convertible_helper.
1528 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
1529 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
1532 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
1533 __is_alloc_insertable_impl. Replace single type member with two
1534 members, one for each of copy and move insertable.
1535 (__is_move_insertable): New trait for internal use.
1536 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
1537 (vector::_S_nothrow_relocate(true_type)): New functions to
1538 conditionally check if __relocate_a can throw.
1539 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
1540 on __is_move_insertable.
1541 (vector::_S_do_relocate): New overloaded functions to conditionally
1543 (vector::_S_relocate): New function that dispatches to _S_do_relocate
1544 based on _S_use_relocate.
1545 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1546 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
1547 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
1550 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
1551 parameter unnamed. Add message to static assertion.
1552 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1553 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
1556 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
1559 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
1561 (__is_bitwise_relocatable): ... to this.
1562 (__relocate_a_1): Adapt.
1563 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
1564 (__is_bitwise_relocatable): ... to this.
1566 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
1569 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
1570 final component as well as from _M_pathname. Append the dot using
1571 operator+= instead of only to _M_pathname.
1572 (path::_M_find_extension): Reformat slightly.
1573 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
1574 Add more test cases.
1576 2019-01-30 Ulrich Drepper <drepper@redhat.com>
1578 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
1580 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
1582 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
1583 constexpr specifiers from arg and proj.
1585 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
1586 __shared_ptr instantiations used by gcc4-compatible ABI.
1588 * include/experimental/forward_list (experimental::erase): Qualify
1590 * include/experimental/list (experimental::erase): Likewise.
1591 * include/std/forward_list (std::erase): Likewise.
1592 * include/std/list (std::erase): Likewise.
1594 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
1596 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
1597 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
1598 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
1599 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
1600 * testsuite/ext/array_allocator/26875.cc: Likewise.
1601 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
1602 * testsuite/util/replacement_memory_operators.h: Likewise.
1603 * testsuite/util/testsuite_allocator.h: Likewise.
1605 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
1606 normal mode vector, even for debug mode.
1607 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
1608 Define alias template for normal mode vector.
1610 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
1613 * config/locale/generic/c_locale.h (__convert_from_v)
1614 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
1615 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
1616 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
1617 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
1619 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
1622 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
1623 data member with static member function _S_use_relocate().
1624 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1625 (vector::_M_default_append): Use _S_use_relocate() instead of
1628 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
1631 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
1634 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
1635 write to stderr instead of using printf.
1637 2019-01-21 Jakub Jelinek <jakub@redhat.com>
1640 * include/bits/char_traits.h (__constant_string_p,
1641 __constant_char_array_p): Use __builtin_is_constant_evaluated if
1644 2019-01-20 Ulrich Drepper <drepper@redhat.com>
1646 Implement C++20 P0600r1.
1647 * include/backward/hash_map: Add nodiscard attribute to empty.
1648 * include/backward/hash_set: Likewise.
1649 * backward/hashtable.h: Likewise.
1650 * include/bits/basic_string.h: Likewise.
1651 * include/bits/forward_list.h: Likewise.
1652 * include/bits/hashtable.h: Likewise.
1653 * include/bits/regex.h: Likewise.
1654 * include/bits/stl_deque.h: Likewise.
1655 * include/bits/stl_list.h: Likewise.
1656 * include/bits/stl_map.h: Likewise.
1657 * include/bits/stl_multimap.h: Likewise.
1658 * include/bits/stl_multiset.h: Likewise.
1659 * include/bits/stl_queue.h: Likewise.
1660 * include/bits/stl_set.h: Likewise.
1661 * include/bits/stl_stack.h: Likewise.
1662 * include/bits/stl_tree.h: Likewise.
1663 * include/bits/stl_vector.h: Likewise.
1664 * include/bits/unordered_map.h: Likewise.
1665 * include/bits/unordered_set.h: Likewise.
1666 * include/debug/array: Likewise.
1667 * include/experimental/any: Likewise.
1668 * include/experimental/bits/fs_path.h: Likewise.
1669 * include/experimental/internet: Likewise.
1670 * include/experimental/string_view: Likewise.
1671 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
1673 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
1675 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
1677 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
1679 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
1681 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
1683 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
1685 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
1687 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
1688 info_fn_imps.hpp: Likewise.
1689 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
1690 left_child_next_sibling_heap_.hpp: Likewise.
1691 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
1693 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
1695 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
1697 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
1699 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
1701 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
1703 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
1705 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
1706 * include/ext/pb_ds/trie_policy.hpp: Likewise.
1707 * include/ext/rope: Likewise.
1708 * include/ext/slist: Likewise.
1709 * include/ext/vstring.h: Likewise.
1710 * include/profile/array: Likewise.
1711 * include/std/array: Likewise.
1712 * include/tr1/array: Likewise.
1713 * include/tr1/hashtable.h: Likewise.
1714 * include/tr1/regex: Likewise.
1715 * include/tr2/dynamic_bitset: Likewise.
1716 * include/bits/alloc_traits.h: Add nodiscard attribute to
1718 * include/experimental/memory_resource: Likewise.
1719 * include/ext/alloc_traits.h: Likewise.
1720 * include/ext/array_allocator.h: Likewise.
1721 * include/ext/bitmap_allocator.h: Likewise.
1722 * include/ext/debug_allocator.h: Likewise.
1723 * include/ext/extptr_allocator.h: Likewise.
1724 * include/ext/mt_allocator.h: Likewise.
1725 * include/ext/new_allocator.h: Likewise.
1726 * include/ext/pool_allocator.h: Likewise.
1727 * include/ext/throw_allocator.h: Likewise.
1728 * include/std/scoped_allocator: Likewise.
1729 * libsupc++/eh_alloc.cc: Likewise.
1730 * include/std/future: Add nodiscard attribute to async.
1731 * libsupc++/new: Add nodiscard attribute to new.
1733 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
1738 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
1739 * include/bits/shared_ptr.h
1740 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
1741 (allocate_shared): Change to use new tag type.
1742 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
1743 Declare new member function.
1744 (_Sp_alloc_shared_tag): Define new type.
1745 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
1746 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
1747 _Sp_make_shared_tag::_S_eq to check type_info.
1748 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
1749 Constrain to prevent being called with _Sp_alloc_shared_tag.
1750 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
1751 Replace constructor with ...
1752 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
1753 reference parameter so address of the new object can be returned to
1754 the caller. Obtain the allocator from the tag type.
1755 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
1756 constructor with ...
1757 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
1758 to the __shared_count constructor.
1759 (__allocate_shared): Change to use new tag type.
1760 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
1762 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
1764 * src/c++17/fs_ops.cc
1765 (equivalent(const path&, const path&, error_code&))
1766 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
1767 compare files instead of relying on incomplete info returned by stat.
1770 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
1771 if the path is already absolute.
1772 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
1773 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
1776 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
1777 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
1778 of filesystem::exists.
1779 (create_directories(const path&, error_code&)): Add assertions.
1780 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1781 Add workaround for bug in _wstat for paths with trailing slash.
1782 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
1783 for expected behaviour on mingw.
1784 * testsuite/experimental/filesystem/operations/create_directories.cc:
1786 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
1787 "TMP" instead of "TMPDIR" and clean environment before each test. Do
1788 not test permissions on mingw targets.
1790 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
1792 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
1793 constructors and open members taking wide strings. Fix patterns for
1794 filesystem::path members to match wstring_view parameters. Add
1795 exports for shared_ptr members used by directory iterators.
1796 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
1797 error code parameter if the file doesn't exist.
1798 * src/filesystem/ops.cc (remove(const path&, error_code&)):
1800 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
1801 values for mingw targets, where "/" is not an absolute path. Do not
1802 test symlinks on mingw targets.
1803 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
1804 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
1806 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
1807 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
1808 that each component of the path is created.
1809 * testsuite/experimental/filesystem/operations/create_directories.cc:
1811 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
1812 permissions on mingw targets.
1813 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
1814 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
1815 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
1816 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
1818 * testsuite/experimental/filesystem/operations/permissions.cc:
1820 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
1821 symlinks or permissions on mingw targets.
1822 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
1823 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
1824 symlinks on mingw targets.
1825 * testsuite/experimental/filesystem/operations/remove_all.cc:
1827 * testsuite/27_io/filesystem/operations/status.cc: Do not test
1828 permissions on mingw targets.
1829 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
1830 test symlinks on mingw targets.
1831 * testsuite/experimental/filesystem/operations/space.cc: Fix test
1834 2019-02-14 Ulrich Drepper <drepper@redhat.com>
1837 Warn about unused comparisons of shared_ptr/unique_ptr
1838 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
1839 * include/bits/shared_ptr.h: Use it for operator ==, !=,
1840 <, <=, >, >= for shared_ptr.
1841 * include/bits/unique_ptr.h: Likewise for unique_ptr.
1843 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
1845 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
1846 as 201611L, because P0497R0 changes are supported.
1847 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
1849 * include/bits/erase_if.h [__cplusplus > 201703L]
1850 (__cpp_lib_erase_if): Only define for C++2a.
1851 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
1852 (__cpp_lib_null_iterators): Define.
1853 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
1854 (__cpp_lib_null_iterators): Define.
1855 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
1857 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
1859 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
1861 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
1862 changes are supported.
1863 * include/std/optional (__cpp_lib_optional): Likewise.
1864 * include/std/variant (__cpp_lib_variant): Likewise.
1865 * include/std/version [!__STRICT_ANSI__]
1866 (__cpp_lib_uncaught_exceptions): Define as long integer.
1867 [__cplusplus >= 201703L] (__cpp_lib_any)
1868 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
1869 (__cpp_lib_variant): Define for C++17.
1870 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
1872 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
1875 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
1877 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
1881 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
1883 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
1886 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
1888 * doc/xml/manual/intro.xml: Include new section.
1889 * doc/xml/manual/status_cxx2017.xml: Document more
1890 implementation-defined properties of the library.
1891 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
1892 * doc/html/*: Regenerate.
1894 * include/bits/refwrap.h [__cplusplus > 201703L]
1895 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
1896 (_Reference_wrapper_base_memfun): Do not define for C++2a.
1897 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
1899 (reference_wrapper::operator()): Add static assertion.
1900 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
1902 * include/std/chrono (duration_values::zero(), duration_values::min())
1903 (duration_values::max()): Add noexcept.
1904 (duration::zero(), duration::min(), duration::max()): Likewise.
1905 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
1906 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
1907 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
1909 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
1911 2019-01-11 Jakub Jelinek <jakub@redhat.com>
1913 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
1914 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
1916 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
1919 * include/bits/functional_hash.h (hash<nullptr_t>): Define
1920 specialization for C++17 (P0513R0, LWG 2817).
1921 * testsuite/20_util/hash/nullptr.cc: New test.
1924 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
1925 pattern for std::basic_stringbuf::str().
1927 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
1928 basic_ostream::operator<< patterns.
1930 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
1932 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
1933 test failures on targets with 32-bit time_t.
1935 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
1936 * include/std/deque: Likewise.
1937 * include/std/forward_list: Likewise.
1938 * include/std/list: Likewise.
1939 * include/std/string: Likewise.
1940 * include/std/vector: Likewise.
1941 * include/std/version: Likewise.
1942 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
1943 * testsuite/23_containers/deque/erasure.cc: Likewise.
1944 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
1945 * testsuite/23_containers/list/erasure.cc: Likewise.
1946 * testsuite/23_containers/map/erasure.cc: Likewise.
1947 * testsuite/23_containers/set/erasure.cc: Likewise.
1948 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
1949 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
1950 * testsuite/23_containers/vector/erasure.cc: Likewise.
1952 * include/experimental/internet [AI_NUMERICSERV]
1953 (resolver_base::numeric_service): Define conditionally.
1954 * testsuite/experimental/net/internet/resolver/base.cc: Test it
1956 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
1959 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
1960 Jonathan Wakely <jwakely@redhat.com>
1963 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
1964 (GLIBCXX_3.4.26): Add new exports.
1965 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
1966 correct list of sources.
1967 * include/Makefile.in: Regenerate.
1968 * include/std/ostream (operator<<(nullptr_t)): New member function.
1969 * src/c++17/ostream-inst.cc: New file.
1970 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
1973 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
1975 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
1976 of the source file containing the caller.
1977 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
1978 directories created by test.
1979 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
1981 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
1983 * testsuite/experimental/filesystem/iterators/
1984 recursive_directory_iterator.cc: Likewise.
1986 2019-01-10 Jakub Jelinek <jakub@redhat.com>
1988 PR tree-optimization/88775
1989 * include/bits/stl_function.h (greater<_Tp*>::operator(),
1990 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
1991 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
1992 instead of __builtin_constant_p if available. Don't bother with
1993 the pointer comparison in C++11 and earlier.
1995 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
1999 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
2002 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
2004 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
2005 for filesystem::path. Give variables more distinctive names.
2007 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
2008 member function to perform non-trivial assignment.
2009 (_Optional_payload_base::_M_move_assign): Likewise.
2010 (_Optional_payload<T, true, false, true>::operator=)
2011 (_Optional_payload<T, true, true, false>::operator=)
2012 (_Optional_payload<T, true, false, false>::operator=): Call
2013 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
2016 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
2017 test std::complex<long double> if long double format is IBM128.
2018 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
2021 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2023 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
2024 for old std::unique_ptr layout.
2025 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
2026 to become valueless. Add filesystem::path tests.
2029 * include/std/optional (_Optional_payload_base): New class template
2030 for common code hoisted from _Optional_payload specializations. Use
2031 a template for the union, to allow a partial specialization for
2032 types with non-trivial destructors. Add constructors for in-place
2033 initialization to the union.
2034 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
2035 to perform non-trivial copy construction, instead of relying on
2036 non-standard copy elision in a delegating constructor.
2037 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
2038 non-trivial move construction.
2039 (_Optional_payload): Derive from _Optional_payload_base and use it
2040 for everything except the non-trivial assignment operators, which are
2042 (_Optional_payload<false, C, M>): Derive from the specialization
2043 _Optional_payload<true, false, false> and add a destructor.
2044 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
2045 Forward to corresponding members of _Optional_payload.
2046 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
2047 Hoist common members from _Optional_base.
2048 (_Optional_base): Make all members and base class public.
2049 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
2050 _Optional_base_impl.
2051 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
2052 support for new std::optional layout.
2053 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
2056 * include/bits/locale_conv.h: Use <> for includes not "".
2057 * include/ext/random: Likewise.
2058 * include/ext/vstring.h: Likewise.
2060 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2062 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
2063 (GLIBCXX_3.4.21): Likewise.
2065 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2068 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
2069 to match the one that controls whether utimbuf and utime are declared.
2071 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
2074 * include/bits/char_traits.h (char_traits::move): Do not pass null
2075 pointers to memmove.
2076 * include/bits/locale_facets.h
2077 (ctype<char>::widen(const char*, const char*, char*)): Do not
2078 pass null pointers to memcpy.
2079 (ctype<char>::narrow(const char*, const char*, char, char*)):
2081 (ctype<char>::do_widen(const char*, const char*, char*)):
2083 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
2086 * doc/xml/manual/spine.xml: Update copyright years.
2087 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
2088 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
2089 for C++17 filesystem library.
2090 * doc/html/*: Regenerate.
2092 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
2093 * config.h.in: Regenerate.
2094 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
2095 alphabetically and add missing entries for copy_symlink,
2096 hard_link_count, rename, and resize_file.
2097 * configure: Regenerate.
2098 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
2099 used unconditionally.
2100 * src/filesystem/ops-common.h (__gnu_posix::truncate)
2101 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
2102 supports truncating to zero length.
2103 * testsuite/27_io/filesystem/operations/all.cc: New test.
2104 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
2106 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
2109 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
2110 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
2111 * config.h.in: Regenerate.
2112 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
2113 remaining std::filesystem types and functions.
2114 * configure: Regenerate.
2115 * src/c++17/Makefile.am: Add C++17 filesystem sources.
2116 * src/c++17/Makefile.in: Regenerate.
2117 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
2118 here, and change name of included file.
2119 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
2120 here, and change name of included file.
2121 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
2122 path to dir-common.h.
2123 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
2124 path to ops-common.h. Disable -Wunused-parameter warnings.
2125 (internal_file_clock): Define unconditionally.
2126 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
2128 (do_copy_file, do_space): Move definitions to ops.common.h.
2129 (copy, file_size, hard_link_count, last_write_time, space): Only
2130 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
2132 (last_write_time, read_symlink): Remove unused attributes from
2134 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
2135 * src/filesystem/Makefile.in: Regenerate.
2136 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
2137 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
2138 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
2139 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
2140 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
2141 dummy types and functions instead of using #error.
2142 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
2143 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
2145 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
2146 (do_copy_file, do_space): Move definitions here from std-ops.cc.
2147 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
2148 to account for new namespace.
2149 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
2150 -lstdc++fs from dg-options.
2151 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
2152 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
2153 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
2154 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
2155 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
2157 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
2158 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2160 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
2161 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
2162 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
2163 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
2164 * testsuite/27_io/filesystem/operations/create_directories.cc:
2166 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
2167 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
2168 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
2169 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
2170 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
2171 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
2172 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2173 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
2174 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
2175 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
2176 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
2177 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
2178 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
2179 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
2180 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
2181 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2182 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2183 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
2185 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
2189 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
2190 typeinfo and vtables less greedy.
2191 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
2192 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
2193 * src/c++17/Makefile.in: Regenerate.
2194 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
2195 here, and change name of included file.
2196 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
2197 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
2199 * src/filesystem/Makefile.in: Regenerate.
2200 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
2201 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
2202 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
2203 from dg-options and remove dg-require-filesystem-ts.
2204 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
2205 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
2206 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
2207 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
2208 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
2209 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
2210 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
2211 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
2212 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
2213 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
2214 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
2215 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
2216 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
2217 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
2218 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
2219 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
2220 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
2221 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
2222 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
2223 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
2224 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
2226 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
2227 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
2228 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
2229 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
2230 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
2231 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
2232 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
2233 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
2234 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
2235 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
2236 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
2237 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
2239 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
2241 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
2243 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
2245 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
2246 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
2247 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
2248 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
2249 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
2250 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
2251 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
2252 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
2253 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
2254 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
2256 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
2257 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
2258 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
2259 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
2260 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
2263 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
2264 Check is_trivially_copyable instead of is_scalar.
2265 (variant::emplace<N, Args>(Args&&...)): If construction of the new
2266 contained value can throw and its type is trivially copyable then
2267 construct into a temporary variant and move from it, to provide the
2268 strong exception safety guarantee.
2269 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
2271 * testsuite/20_util/variant/87431.cc: New test.
2272 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
2273 conversion causes valueless state.
2276 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
2277 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
2278 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
2279 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
2280 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
2282 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
2284 * include/bits/fs_fwd.h (__file_clock): Define new clock.
2285 (file_time_type): Redefine in terms of __file_clock.
2286 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
2288 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
2290 (internal_file_lock): New helper type for accessing __file_clock.
2291 (do_copy_file): Use internal_file_lock to convert system time to
2293 (last_write_time(const path&, error_code&)): Likewise.
2294 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
2296 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
2298 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
2299 for const member functions of std::basic_string.
2300 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
2302 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
2303 Make non-standard constructor private.
2304 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
2306 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
2307 explicit instantiations for C++17 as well as earlier dialects.
2308 * src/c++17/Makefile.am: Add new source files.
2309 * src/c++17/Makefile.in: Regenerate.
2310 * src/c++17/cow-string-inst.cc: New file defining explicit
2311 instantiations for basic_string member functions added in C++17.
2312 * src/c++17/string-inst.cc: Likewise.
2314 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
2315 copy/move constructors for old std::basic_string.
2316 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2317 (basic_string::reference, basic_string::const_reference): Define
2318 as plain references for C++11 and later.
2319 (basic_string::basic_string()): Put constructor body outside
2320 preprocessor conditional groups.
2321 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
2322 instead of copying it.
2323 (basic_string::basic_string(const basic_string&, const _Alloc&)):
2325 (basic_string::basic_string(basic_string&&, const _Alloc&)):
2327 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
2328 cases for old basic_string.
2329 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
2330 allocator-extended constructors unconditionally. Add extra members to
2331 allocator type when using old string ABI.
2332 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
2334 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
2336 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
2337 -fno-inline added to test flags.
2339 * testsuite/21_strings/basic_string/requirements/
2340 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
2342 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
2343 assertion failures with old std::string ABI.
2345 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
2347 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
2348 functions that will only erase elements at the end.
2349 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
2350 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
2351 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
2353 (path::_List::pop_back()): Define.
2354 (path::_List::_M_erase_from(const_iterator)): Define.
2355 (path::operator/=(const path&)): Use pop_back to remove last component
2356 and _M_erase_from to remove multiple components.
2357 (path::_M_append(basic_string_view<value_type>)): Likewise.
2358 (path::operator+=(const path&)): Likewise.
2359 (path::_M_concat(basic_string_view<value_type>)): Likewise.
2360 (path::remove_filename()): Likewise.
2361 (path::lexically_normal()): Use _List::_Impl iterators instead of
2362 path::iterator. Use pop_back to remove components from the end. Clear
2363 trailing filename, instead of using erase(const_iterator) to remove
2364 a non-final component.
2365 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
2367 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
2369 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
2370 incorrect treatment of empty filename after trailing slash.
2371 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
2373 * testsuite/21_strings/basic_string/modifiers/assign/char/
2374 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
2376 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
2377 move_assign_optim.cc: Likewise.
2379 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
2380 Jakub Jelinek <jakub@redhat.com>
2383 * include/experimental/memory: Replace UTF-8 quote characters.
2384 * include/std/future: Replace UTF-8 "em dash" characters.
2386 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
2389 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
2390 * include/debug/forward_list: Likewise.
2391 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
2393 * include/experimental/chrono: Likewise.
2394 * include/experimental/functional: Likewise.
2395 * include/experimental/ratio: Likewise.
2396 * include/experimental/system_error: Likewise.
2397 * include/experimental/tuple: Likewise.
2398 * include/experimental/type_traits: Likewise.
2399 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
2400 * include/parallel/multiseq_selection.h: Likewise.
2403 * config/abi/pre/gnu.ver: Add missing exports.
2404 * testsuite/22_locale/collate_byname/88681.cc: New test.
2405 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
2406 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
2408 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
2410 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
2411 initializer_list<value_type> and from input iterator ranges.
2412 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
2414 * testsuite/experimental/string_view/element_access/char/empty.cc:
2415 Fix year range in copyright header.
2417 2019-01-02 Joel Brobecker <brobecker@adacore.com>
2419 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
2420 Fix year range in copyright header.
2422 2019-01-01 Jakub Jelinek <jakub@redhat.com>
2424 Update copyright years.
2426 Copyright (C) 2019 Free Software Foundation, Inc.
2428 Copying and distribution of this file, with or without modification,
2429 are permitted in any medium without royalty provided the copyright
2430 notice and this notice are preserved.