1 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
3 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
4 macros accidentally left in.
5 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
6 unnecessary -lstdc++fs option. Fix test for mingw.
7 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
10 2019-04-30 Jakub Jelinek <jakub@redhat.com>
12 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
14 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
16 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
18 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
19 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
22 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
24 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
27 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
28 class template and partial specialization.
31 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
33 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
34 functions to convert a value to an integral type.
35 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
36 (fill_n): Convert _Size parameter to an integral type.
37 * testsuite/25_algorithms/fill_n/87982.cc: New test.
38 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
39 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
40 * testsuite/25_algorithms/generate_n/87982.cc: New test.
41 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
42 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
44 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
46 Adding noexcept-specification on tuple constructors (LWG 2899)
47 * libstdc++-v3/include/std/tuple:
48 (tuple()): Add noexcept-specification.
49 (tuple(const _Elements&...)): Likewise
50 (tuple(_UElements&&...)): Likewise
51 (tuple(const tuple<_UElements...>&)): Likewise
52 (tuple(tuple<_UElements...>&&)): Likewise
53 (tuple(const _T1&, const _T2&)): Likewise
54 (tuple(_U1&&, _U2&&)): Likewise
55 (tuple(const tuple<_U1, _U2>&): Likewise
56 (tuple(tuple<_U1, _U2>&&): Likewise
57 (tuple(const pair<_U1, _U2>&): Likewise
58 (tuple(pair<_U1, _U2>&&): Likewise
59 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
61 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
64 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
65 arguments with __restrict.
67 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
69 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
71 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
73 * include/experimental/bits/fs_path.h
74 (path::_S_convert_loc<_InputIterator>): Create const std::string to
75 avoid redundant call to _S_convert_loc with non-const pointers.
77 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
78 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
79 * testsuite/21_strings/basic_string/hash/hash.cc
80 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
81 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
82 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
84 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
85 wstring::_M_replace_dispatch with more specific patterns.
86 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
87 Create const std::string to avoid redundant call to _S_convert_loc
88 with non-const pointers.
89 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
90 avoid unnecessary basic_string::assign instantiations.
92 * include/std/memory (__uses_alloc_args): Add string-literal to
93 static_assert, to match the one in __uses_alloc.
94 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
95 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
96 for recursive uses-allocator construction of nested pairs.
97 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
100 2019-04-26 Jakub Jelinek <jakub@redhat.com>
102 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
103 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
104 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
105 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
107 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
108 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
109 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
110 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
111 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
112 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
113 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
115 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
118 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
119 * include/std/scoped_allocator [__cplusplus > 201703L]
120 (scoped_allocator_adaptor::construct): Define in terms of
121 uses_allocator_construction_args, as per P0591R4.
122 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
123 * testsuite/util/testsuite_allocator.h: Remove name of unused
126 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
128 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
129 * doc/html/*: Regenerate.
131 * include/bits/fs_path.h (operator<, operator<=, operator>)
132 (operator>=, operator==, operator!=): Make hidden friends, as per
134 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
136 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
138 * include/std/any (any::any(ValueType&&)): Use __and_v.
139 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
142 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
144 * include/std/type_traits (__result_of_memfun): Use remove_reference
145 instead of __remove_cvref_t and remove redundant is_same check.
146 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
148 * include/experimental/string_view (basic_string_view::pointer)
149 (basic_string_view::reference): Fix to refer to non-const value_type.
150 * include/bits/basic_string.h (basic_string): Use __sv_check and
151 __sv_limit instead of basic_string_view::_M_check and
152 basic_string_view::_M_limit.
153 * include/std/string_view (__sv_check, __sv_limit): New
154 helper functions to replace basic_string_view::_M_check and
155 basic_string_view::_M_limit.
156 (basic_string_view): Add static assertions to enforce ill-formed
157 requirement for traits_type::char_type from P1148R0, and to enforce
158 required properties of char-like types.
159 (basic_string_view::pointer, basic_string_view::reference): Fix to
160 refer to non-const value_type.
161 (basic_string_view::operator[], basic_string_view::at)
162 (basic_string_view::front, basic_string_view::back)
163 (basic_string_view::data): Use const_reference and const_pointer
164 typedefs for return types.
165 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
166 (hash<wstring_view>): Fix argument_type typedef.
167 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
168 char/1.cc: Fix expected return type of basic_string_view::data().
169 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
170 wchar_t/1.cc: Likewise.
171 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
173 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
174 wchar_t/1.cc: Likewise.
175 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
177 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
178 Check reference and pointer typedefs.
179 * testsuite/experimental/string_view/requirements/typedefs.cc:
181 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
182 Fix expected return type of basic_string_view::data().
183 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
185 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
187 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
191 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
192 Avoid a runtime check for types that can never be stored in std::any.
193 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
196 PR libstdc++/90220 (partial)
197 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
198 not attempt ill-formed static_cast to pointers to non-object types.
199 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
202 * testsuite/20_util/variant/run.cc: Catch exception by reference to
203 prevent -Wcatch-value warning.
205 * include/std/variant (__variant_construct): Use template parameter
206 type instead of equivalent decltype-specifier.
207 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
208 Replace forward with move.
209 (_Move_ctor_base<false, Types...>::_M_destructive_move)
210 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
211 (_Move_ctor_base<true, Types...>::_M_destructive_move)
212 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
213 index after construction succeeds.
214 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
215 if-constexpr checks that are always true. Use __remove_cvref_t instead
216 of remove_reference so that is_nothrow_move_constructible check
217 doesn't use a const rvalue parameter. In the potentially-throwing case
218 construct a temporary and move assign it, as per LWG 2904.
219 (_Move_assign_base<false, Types...>::operator=): Remove redundant
220 if-constexpr checks that are always true. Use emplace as per LWG 2904.
221 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
222 construct a temporary and move assign from it, as per LWG 2904.
223 * testsuite/20_util/variant/exception_safety.cc: Check that
224 assignment operators have strong exception safety guarantee.
226 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
228 Document PSTL linker flags
230 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
232 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
234 * include/std/variant (__detail::__variant::_Traits): Make
235 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
236 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
238 (__detail::__variant::_Copy_assign_alias): Only depend on
239 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
240 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
241 move assignment operators.
244 * include/std/variant (variant::__not_self): New helper for the
245 is_same_v<remove_cvref_t<T>, variant>==false constraints.
246 (variant::__to_type_impl): Remove.
247 (variant::__to_type): Add default argument to check pack size, instead
248 of using __to_type_impl.
249 (variant::__accepted_type): Add default argument using __not_self.
250 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
251 for variant(T&&) constructor constraint.
252 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
253 Extract __accepted_type into a named template parameter for reuse in
254 other constraints and in the exception specification.
255 (variant::variant(in_place_type_t<T>, Args&&...))
256 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
257 (variant::variant(in_place_index_t<T>, Args&&...))
258 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
259 (variant::operator=T&&)): Remove redundant && from trait arguments.
260 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
261 isn't used for in_place_type or in_place_index arguments.
263 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
264 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
265 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
267 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
268 Bernd Edlinger <bernd.edlinger@hotmail.de>
269 Jakub Jelinek <jakub@redhat.com>
272 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
273 general-regs-only target attribute for ARM.
275 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
278 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
279 specialization also depend on is_nothrow_move_constructible.
280 * include/std/variant (__detail::__variant::__never_valueless()):
281 Only true if the variant would have a move assignment operator.
282 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
283 Check __never_valueless<T...>().
284 (variant::emplace): Only perform non-throwing move assignments
285 for never-valueless alternatives if the variant has a move assignment
287 * testsuite/20_util/variant/compile.cc: Check that never-valueless
288 types can be emplaced into non-assignable variants.
289 * testsuite/20_util/variant/run.cc: Check that never-valueless types
290 don't get copied when emplaced into non-assignable variants.
292 * include/std/variant (__detail::__variant::__ref_cast): Remove
294 (__detail::__variant::_Uninitialized::_M_get)
295 (__detail::__variant::__get)
296 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
298 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
300 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
302 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
303 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
304 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
305 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
307 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
309 Delegate PSTL configuration to pstl/pstl_config.h
311 * include/bits/c++config: Remove explicit PSTL configuration
312 macros and use definitions from <pstl/pstl_config.h>.
314 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
316 Cleanup algorithm implementations
317 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
319 (mismatch): Forward execution policy.
320 (equal): Qualify call to std::equal().
321 (partial_sort): Forward execution policy.
322 (inplace_merge): Forward execution policy.
324 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
326 Improve implementation of parallel equal()
327 * include/pstl/algorithm_impl.h
328 (__internal::__brick_equal): use "4 iterator" version of
330 (__internal::__brick_equal): use simd for random access
331 iterators on unsequenced execution policies.
332 (__internal::__pattern_equal): add "4 iterator" version
333 (__internal::__pattern_equal): dispatch to simd __brick_equal
334 for vector-only execution policies.
335 (__internal::__pattern_equal): dispatch to __parallel_or for
336 parallel execution policies.
337 * include/pstl/glue_algorithm_impl.h
338 (std::equal): dispatch to "4 iterator" version of
339 __internal::__pattern_equal().
341 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
344 * include/bits/forward_list.h (operator==): Do not use operator!= to
346 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
347 earlier in the list, so that sort is stable.
348 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
349 * testsuite/23_containers/forward_list/comparable.cc: Test with
350 types that meet the minimum EqualityComparable and LessThanComparable
351 requirements. Remove irrelevant comment.
353 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
354 Do not depend on whether all alternative types are move constructible.
355 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
356 from the operand when deciding whether to perform the assignment.
357 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
358 with deleted move constructor and deleted move assignment operator.
359 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
360 behaviour of variants with DeletedMoves as an alternative.
361 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
362 (move_ctor, move_assign): Check that moving a variant with a
363 DeletedMoves alternative falls back to copying instead of moving.
365 * testsuite/20_util/variant/compile.cc: Remove empty string literals
366 from static_assert declarations.
368 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
369 actually match its name.
370 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
371 (test_swap()): Fix result for MoveCtorOnly and check
374 * include/std/optional (optional::value_or(U&&) &&): Add missing
376 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
377 for disengaged optionals and rvalue optionals.
378 * testsuite/20_util/optional/observers/4.cc: Likewise.
380 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
382 * include/pstl/algorithm_impl.h: Uglify identfiers.
383 * include/pstl/numeric_impl.h: Uglify identfiers.
384 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
386 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
388 * include/bits/c++config:
389 Add definition for __PSTL_ASSERT.
390 Add definition for __PSTL_ASSERT_MSG.
391 * include/pstl/algorithm_impl.h: Replace use of assert().
392 * include/pstl/numeric_impl.h: Replace use of assert().
393 * include/pstl/parallel_backend_tbb.h:
394 Replace use of assert().
395 Replace use of __TBB_ASSERT().
396 * include/pstl/parallel_backend_utils.h: Replace use of assert().
398 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
401 * src/c++17/memory_resource.cc
402 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
403 needed to allow placing a _Chunk at the end of the buffer.
404 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
406 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
408 * doc/xml/faq.xml: Add information about emergency EH pool.
409 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
410 Move outdated information on mt_allocator to a separate section.
411 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
412 doesn't affect the default allocator.
414 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
418 * testsuite/20_util/variant/89851.cc: New test.
420 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
422 * include/std/variant: Adjust whitespace. Add comments.
423 (_Multi_array): Leave primary template undefined.
424 (_Multi_array<_Tp>): Define partial specialization for base case of
426 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
427 which is always a reference.
428 (__gen_vtable::_S_apply()): Remove function, inline body into
429 default member initializer.
430 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
432 * include/std/variant (__variant_idx_cookie): Add member type.
433 (__visitor_result_type): Remove.
434 (__do_visit): Use invoke_result instead of __visitor_result_type.
435 * testsuite/20_util/variant/visit.cc: New test.
438 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
440 * testsuite/20_util/variant/90008.cc: New test.
442 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
444 * include/pstl/algorithm_impl.h: Add namespace qualification.
445 * include/pstl/execution_defs.h: Add namespace qualification.
446 * include/pstl/execution_impl.h: Add namespace qualification.
447 * include/pstl/numeric_impl.h: Add namespace qualification.
448 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
449 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
450 * include/pstl/parallel_backend_utils.h: Include <cassert>.
452 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
454 Fix visit<R> for variant.
455 * include/std/variant (__do_visit): Add a template parameter
456 for enforcing same return types for visit.
457 (__gen_vtable_impl): Likewise.
458 (_S_apply_single_alt): Adjust.
459 (__visit_invoke_impl): New. Handle casting to void.
460 (__do_visit_invoke): New. Enforces same return types.
461 (__do_visit_invoke_r): New. Converts return types.
462 (__visit_invoke): Adjust.
463 (__gen_vtable): Add a template parameter for enforcing
464 same return types for visit.
465 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
466 different return types.
467 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
468 visitors with different return types don't accidentally
469 compile with regular visitation.
471 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
473 * testsuite/27_io/filesystem/iterators/caching.cc: Add
474 dg-require-filesystem-ts.
476 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
478 * doc/xml/manual/status_cxx2020.xml: Update status.
479 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
480 * testsuite/20_util/variant/visit_r.cc: New test.
482 * include/bits/fs_dir.h (directory_iterator::operator*)
483 (directory_iterator::operator->): Add noexcept.
484 (operator==, operator!=): Replace namespace-scope equality operators
485 for directory iterators with hidden friends.
488 * config/abi/pre/gnu.ver: Add missing exports.
489 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
492 * config/abi/pre/gnu.ver: Export new symbols.
493 * include/bits/fs_dir.h (recursive_directory_iterator::options())
494 (recursive_directory_iterator::recursion_pending())
495 (recursive_directory_iterator::disable_recursion_pending()): Remove
496 inline definitions. Make noexcept.
497 (recursive_directory_iterator::depth())
498 (recursive_directory_iterator::operator*())
499 (recursive_directory_iterator::operator->()): Make noexcept.
500 (recursive_directory_iterator::_M_options)
501 (recursive_directory_iterator::_M_pending): Remove data members.
502 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
503 (recursive_directory_iterator::recursive_directory_iterator): Remove
504 ctor-initializer. Use new constructor for _Dir_stack.
505 (recursive_directory_iterator::options())
506 (recursive_directory_iterator::recursion_pending())
507 (recursive_directory_iterator::disable_recursion_pending()): Add
508 non-inline definitions.
509 (recursive_directory_iterator::depth()): Make noexcept.
510 (recursive_directory_iterator::increment(error_code&))
511 (recursive_directory_iterator::pop(error_code&)): Adjust to new
512 location of options and recursion_pending members.
513 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
514 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
515 user-declared move constructor and assignment operator, to make the
518 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
519 d_type == DT_UNKNOWN immediately.
520 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
522 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
524 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
526 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
527 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
530 PR libstdc++/87431 (again)
531 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
532 Define partial specialization for basic_string.
533 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
534 shared_ptr and weak_ptr.
535 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
537 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
539 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
541 * include/debug/vector (_Never_valueless_alt): Likewise for debug
543 * include/std/any (_Never_valueless_alt): Define explicit
544 specialization for any.
545 * include/std/variant (_Never_valueless_alt): Define primary template.
546 (__never_valueless): Use _Never_valueless_alt instead of
547 is_trivially_copyable.
548 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
549 initializations to avoid try-catch overhead. Add special case for
550 scalars produced by potentially-throwing conversions. Use
551 _Never_valueless_alt instead of is_trivially_copyable for the
552 remaining strong exception-safety cases.
553 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
554 * testsuite/20_util/variant/87431.cc: Run both test functions.
555 * testsuite/20_util/variant/exception_safety.cc: New test.
556 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
557 so the variant becomes valueless.
559 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
562 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
564 (variant::emplace<_Tp>): Return result of emplace<N> directly.
566 * include/std/string (__hash_string_base): New class template defining
567 operator() for hashing strings.
568 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
569 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
570 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
571 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
573 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
575 Use single-visitation in variant assignment and swap and relops.
576 Also use indices instead of types when checking whether
577 variants hold the same thing.
578 * include/std/variant (__do_visit): Add a template parameter
579 for index visitation, invoke with indices if index visitation
581 (__variant_idx_cookie): New.
582 (__visit_with_index): Likewise.
583 (_Copy_assign_base::operator=): Do single-visitation with
585 (_Move_assign_base::operator=): Likewise.
586 (_Extra_visit_slot_needed): Adjust.
587 (__visit_invoke): Call with indices if it's an index visitor.
588 (relops): Do single-visitation with an index visitor.
590 (__visitor_result_type): New.
592 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
594 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
596 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
598 Don't revisit a variant we are already visiting.
599 * include/std/variant (__variant_construct_single): New.
600 (__variant_construct): Use it.
601 (_M_destructive_move): Likewise.
602 (_M_destructive_copy): Likewise.
603 (_Copy_assign_base::operator=): Adjust.
604 (_Move_assign_base::operator=): Likewise.
607 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
610 * include/bits/hashtable.h (_Hashtable): Move static assertions to
611 destructor so they are not evaluated until the _Key type is complete.
612 * include/bits/stl_tree.h (_Rb_tree): Likewise.
613 * testsuite/23_containers/set/85965.cc: New test.
614 * testsuite/23_containers/unordered_set/85965.cc: New test.
615 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
616 with regexp matching the corresponding _Rb_tree specialization.
617 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
618 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
619 * testsuite/23_containers/set/48101_neg.cc: Likewise.
620 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
621 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
622 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
623 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
625 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
628 Fix based on a suggestion by Antony Polukhin.
629 * include/std/variant (__never_valueless): New.
631 (_Extra_visit_slot_needed): New.
632 (_Multi_array): Use it.
633 (_S_apply_all_alts): Likewise.
635 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
638 Fix based on a suggestion by Antony Polukhin.
639 * include/std/variant (__gen_vtable): Don't reserve an
640 additional table slot, _Multi_array already does that.
642 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
645 Fix based on a suggestion by Antony Polukhin.
646 * include/std/variant (__variant_construct): Capture a pointer
647 to the storage and visit just one variant.
649 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
651 * doc/xml/manual/backwards_compatibility.xml: Remove link to
652 Doxygen-generated pages with unstable URL.
653 * doc/xml/manual/concurrency_extensions.xml: Likewise.
654 * doc/xml/manual/extensions.xml: Likewise.
655 * doc/xml/manual/parallel_mode.xml: Likewise.
656 * doc/xml/manual/support.xml: Likewise.
658 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
659 avoid -Wconversion warnings.
661 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
663 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
664 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
665 (allstamped): Add stamp-pstl.
666 (install-headers): Add ptsl_builddir.
667 * include/Makefile.in: Regenerate.
668 * include/bits/c++config: Add pstl configuration.
669 * include/pstl/LICENSE.txt: New file.
670 * include/pstl/algorithm_fwd.h: New file.
671 * include/pstl/algorithm_impl.h: New file.
672 * include/pstl/execution_defs.h: New file.
673 * include/pstl/execution_impl.h: New file.
674 * include/pstl/glue_algorithm_defs.h: New file.
675 * include/pstl/glue_algorithm_impl.h: New file.
676 * include/pstl/glue_execution_defs.h: New file.
677 * include/pstl/glue_memory_defs.h: New file.
678 * include/pstl/glue_memory_impl.h: New file.
679 * include/pstl/glue_numeric_defs.h: New file.
680 * include/pstl/glue_numeric_impl.h: New file.
681 * include/pstl/memory_impl.h: New file.
682 * include/pstl/numeric_fwd.h: New file.
683 * include/pstl/numeric_impl.h: New file.
684 * include/pstl/parallel_backend.h: New file.
685 * include/pstl/parallel_backend_tbb.h: New file.
686 * include/pstl/parallel_backend_utils.h: New file.
687 * include/pstl/parallel_impl.h: New file.
688 * include/pstl/pstl_config.h: New file.
689 * include/pstl/unseq_backend_simd.h: New file.
690 * include/pstl/utils.h: New file.
691 * include/std/algorithm: Include parallel algorithm implementations.
692 * include/std/execution: New file.
693 * include/std/memory: Include parallel algorithm implementations.
694 * include/std/numeric: Include parallel algorithm implementations.
695 * include/std/version: Add parallel algorithms feature test macro.
696 * testsuite/util/pstl/pstl_test_config.h: New file.
697 * testsuite/util/pstl/test_utils.h: New file.
698 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
699 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
700 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
701 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
702 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
703 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
704 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
705 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
706 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
707 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
708 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
709 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
710 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
711 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
712 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
713 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
714 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
715 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
716 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
717 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
718 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
719 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
720 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
721 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
722 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
723 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
724 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
725 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
726 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
727 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
728 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
729 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
730 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
731 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
732 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
733 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
734 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
735 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
736 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
737 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
738 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
739 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
740 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
741 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
742 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
743 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
744 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
745 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
746 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
747 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
748 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
749 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
750 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
751 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
752 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
753 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
754 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
755 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
756 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
757 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
758 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
759 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
760 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
761 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
762 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
763 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
764 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
765 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
766 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
767 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
768 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
769 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
770 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
771 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
772 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
773 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
774 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
775 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
776 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
777 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
778 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
779 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
780 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
781 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
782 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
783 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
784 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
785 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
786 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
787 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
788 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
789 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
790 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
791 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
792 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
793 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
794 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
795 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
796 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
797 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
798 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
799 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
800 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
801 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
802 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
803 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
805 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
807 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
808 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
809 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
810 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
811 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
812 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
813 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
814 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
815 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
816 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
817 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
818 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
819 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
820 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
821 when the special functions IS is enabled, not for C++17.
822 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
824 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
825 without checks for special functions in C++17.
826 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
830 * include/backward/hash_map: Use <> for includes not "".
831 * include/backward/hash_set: Likewise.
832 * include/backward/strstream: Likewise.
833 * include/tr1/bessel_function.tcc: Likewise.
834 * include/tr1/exp_integral.tcc: Likewise.
835 * include/tr1/legendre_function.tcc: Likewise.
836 * include/tr1/modified_bessel_func.tcc: Likewise.
837 * include/tr1/riemann_zeta.tcc: Likewise.
839 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
841 * doc/xml/manual/allocator.xml: Link to table documenting evolution
842 of extension allocators.
843 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
844 Document new headers in 7.2, 8.1 and 9.1 releases.
845 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
846 * doc/html/*: Regenerate.
848 2019-03-12 John David Anglin <dave.anglin@bell.net>
851 * testsuite/lib/libstdc++.exp: Locate libatomic.
852 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
853 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
855 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
856 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
857 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
858 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
860 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
863 * configure.ac: Check for sockatmark.
864 * crossconfig.m4: Check for sockatmark.
865 * config.h.in: Regenerate.
866 * configure: Regenerate.
867 * include/experimental/internet (address_v4::_S_hton): Rename
868 overloaded functions to _S_hton_16 and _S_ntoh_16.
869 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
870 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
871 * include/experimental/socket (basic_socket::at_mark): Check
872 _GLIBCXX_HAVE_SOCKATMARK.
874 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
875 const variables instead of macros.
878 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
879 Use correct type for len_aligned.
880 * testsuite/20_util/hash/89629.cc: New test.
882 2019-03-11 Jakub Jelinek <jakub@redhat.com>
885 * include/std/atomic (atomic<T>::store, atomic<T>::load,
886 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
887 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
888 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
889 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
890 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
891 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
892 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
893 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
894 memory_order_seq_cst to int.
896 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
898 * doc/xml/manual/using.xml: Use link element instead of xref.
899 * doc/html/*: Regenerate.
901 * include/bits/fs_path.h (path::format): Add fixed underlying type.
903 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
906 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
907 parameters in deduction guides.
908 * include/debug/multimap.h (multimap): Likewise.
909 * include/debug/set.h (multimap): Likewise.
910 * include/debug/multiset.h (multimap): Likewise.
911 * include/debug/unordered_map (unordered_map): Likewise.
912 (unordered_multimap): Likewise.
913 * include/debug/unordered_set (unordered_set): Likewise.
914 (unordered_multiset): Likewise.
917 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
918 Invalidate all iterators in case of rehash.
919 (unordered_multimap<>::_M_check_rehashed): Likewise.
920 * include/debug/unordered_set
921 (unordered_set<>::_M_check_rehashed): Likewise.
922 (unordered_multiset<>::_M_check_rehashed): Likewise.
923 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
925 2019-03-07 Andreas Schwab <schwab@suse.de>
927 * config/abi/post/riscv64-linux-gnu: New directory.
928 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
930 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
932 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
933 compile test to run. Fix typo.
935 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
936 * doc/html/*: Regenerate.
938 P0356R5 Simplified partial function application
939 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
940 helpers for bind_front.
941 (bind_front, __cpp_lib_bind_front): Define.
942 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
944 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
946 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
947 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
948 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
949 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
951 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
953 PR libstdc++/86655 - std::assoc_legendre should not constrain
954 the value of m (or x).
955 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
956 __sph_legendre): If degree > order Don't throw, return 0.
957 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
958 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
959 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
960 * testsuite/tr1/5_numerical_facilities/special_functions/
961 02_assoc_legendre/pr86655.cc: New test.
962 * testsuite/tr1/5_numerical_facilities/special_functions/
963 22_sph_legendre/pr86655.cc: New test.
965 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
968 Also PR libstdc++/85517
969 * include/std/variant (__do_visit): New.
970 (__variant_cast): Likewise.
971 (__variant_cookie): Likewise.
972 (__erased_*): Remove.
973 (_Variant_storage::_S_vtable): Likewise.
974 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
975 (_Variant_storage::__M_reset): Adjust.
976 (__variant_construct): New.
977 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
979 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
980 (_Move_ctor_base::__M_destructive_copy): New.
981 (_Move_ctor_base::__M_destructive_move): Adjust to use
983 (_Copy_assign_base::operator=): Adjust to use __do_visit.
984 (_Copy_assign_alias): Adjust to check both copy assignment
985 and copy construction for triviality.
986 (_Move_assign_base::operator=): Adjust to use __do_visit.
987 (_Multi_array): Add support for visitors that accept and return
989 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
990 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
991 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
992 a __variant_cookie temporary for a variant that is valueless and..
993 (__gen_vtable_impl::__visit_invoke): ..adjust here.
994 (__gen_vtable::_Array_type): Conditionally make space for
995 the __variant_cookie visitor case.
996 (__variant_construct_by_index): New.
997 (get_if): Adjust to use std::addressof.
998 (relops): Adjust to use __do_visit.
999 (variant): Add __variant_cast and __variant_construct_by_index
1001 (variant::emplace): Use _M_reset() and __variant_construct_by_index
1002 instead of self-destruction.
1003 (variant::swap): Adjust to use __do_visit.
1004 (visit): Reimplement in terms of __do_visit.
1005 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
1006 * testsuite/20_util/variant/compile.cc: Adjust.
1007 * testsuite/20_util/variant/run.cc: Likewise.
1009 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1011 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
1013 * testsuite/experimental/feat-char8_t.cc: Likewise.
1015 * include/std/type_traits [C++20] (is_bounded_array)
1016 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
1018 * testsuite/20_util/is_bounded_array/requirements/
1019 explicit_instantiation.cc: New test.
1020 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
1022 * testsuite/20_util/is_bounded_array/value.cc: New test.
1023 * testsuite/20_util/is_unbounded_array/requirements/
1024 explicit_instantiation.cc: New test.
1025 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
1027 * testsuite/20_util/is_unbounded_array/value.cc: New test.
1029 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
1031 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
1033 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
1035 * include/c_compatibility/math.h [C++20] (lerp): Add using
1037 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
1038 (__lerp): Define function template to implement lerp.
1039 (lerp(float, float, float), lerp(double, double, double))
1040 (lerp(long double, long double, long double)): Define for C++20.
1041 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
1042 (midpoint(T, T), midpoint(T*, T*)): Define.
1043 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
1044 * testsuite/26_numerics/lerp.cc: New test.
1045 * testsuite/26_numerics/midpoint/floating.cc: New test.
1046 * testsuite/26_numerics/midpoint/integral.cc: New test.
1047 * testsuite/26_numerics/midpoint/pointer.cc: New test.
1049 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
1051 PR libstdc++/88996 Implement P0439R0
1052 Make std::memory_order a scoped enumeration.
1053 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
1054 add variables for the old enumerators. Adjust calls.
1055 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
1056 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
1058 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
1060 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
1063 * include/std/memory_resource (polymorphic_allocator): Add default
1064 template argument for C++20.
1065 (polymorphic_allocator::allocate_bytes)
1066 (polymorphic_allocator::deallocate_bytes)
1067 (polymorphic_allocator::allocate_object)
1068 (polymorphic_allocator::deallocate_object)
1069 (polymorphic_allocator::new_object)
1070 (polymorphic_allocator::delete_object): New member functions for
1072 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
1075 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
1078 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
1081 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
1083 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
1084 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
1086 * include/std/memory (uses_allocator_construction_args): New set of
1087 overloaded functions.
1088 (make_obj_using_allocator, uninitialized_construct_using_allocator):
1090 * include/std/memory_resource (polymorphic_allocator::construct)
1091 [__cplusplus > 201703l]: Replace all overloads with a single function
1092 using uses_allocator_construction_args.
1093 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
1095 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
1097 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
1100 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
1101 stylesheet directories before check for xsltproc. Try to use
1102 xmlcatalog to find local stylesheet directory before trying hardcoded
1103 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
1104 check to look for the same stylesheet as doc/Makefile.am uses. Don't
1105 use xsltproc if xmlcatalog fails to find a local stylesheet.
1106 * configure.ac: Check for xmlcatalog.
1107 * Makefile.in: Regenerate.
1108 * configure: Likewise.
1109 * doc/Makefile.in: Likewise.
1110 * include/Makefile.in: Likewise.
1111 * libsupc++/Makefile.in: Likewise.
1112 * po/Makefile.in: Likewise.
1113 * python/Makefile.in: Likewise.
1114 * src/Makefile.in: Likewise.
1115 * src/c++11/Makefile.in: Likewise.
1116 * src/c++17/Makefile.in: Likewise.
1117 * src/c++98/Makefile.in: Likewise.
1118 * src/filesystem/Makefile.in: Likewise.
1119 * testsuite/Makefile.in: Likewise.
1121 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
1124 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
1125 container deduction guides.
1126 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
1127 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
1128 parameters in deduction guides.
1129 * include/bits/stl_multimap.h (multimap): Likewise.
1130 * include/bits/stl_multiset.h (multiset): Likewise.
1131 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
1132 * include/bits/stl_set.h (set): Likewise.
1133 * include/bits/stl_stack.h (stack): Likewise.
1134 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
1135 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
1136 constrain parameters in deduction guides.
1137 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
1139 * testsuite/23_containers/map/cons/deduction.cc: Test additional
1141 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
1142 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
1143 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
1144 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
1146 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
1148 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
1151 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
1152 to class template and partial specialization using void_t.
1153 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1155 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
1158 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
1159 copy and move members public.
1161 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
1163 * include/std/type_traits (__underlying_type_impl): New helper to
1164 make underlying_type SFINAE-friendly.
1165 (underlying_type): Derive from __underlying_type_impl.
1166 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
1170 * include/bits/char_traits.h (__constant_char_array): Check index is
1171 in range before dereferencing.
1172 (char_traits<char>::compare, char_traits<char>::find)
1173 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
1174 immediately if n is zero.
1175 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
1176 Remove workarounds for PR 67026.
1177 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
1179 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
1182 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1184 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
1185 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
1187 2019-02-22 Jakub Jelinek <jakub@redhat.com>
1190 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
1191 type to std::size_t and argument to type to long double.
1193 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1195 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
1196 * config/abi/post/sparc64-linux-gnu: New directory.
1197 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
1198 * config/abi/post/sparc64-linux-gnu/32: New directory.
1199 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
1201 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1203 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
1204 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
1207 2019-02-22 Tom Honermann <tom@honermann.net>
1209 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
1210 printers for u8string and u8string_view.
1212 2019-02-22 Tom Honermann <tom@honermann.net>
1214 * testsuite/18_support/byte/ops.cc: Validate
1215 std::to_integer<char8_t>, std::to_integer<char16_t>, and
1216 std::to_integer<char32_t>.
1217 * testsuite/18_support/numeric_limits/dr559.cc: Validate
1218 std::numeric_limits<char8_t>.
1219 * testsuite/18_support/numeric_limits/lowest.cc: Validate
1220 std::numeric_limits<char8_t>::lowest().
1221 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
1222 std::numeric_limits<char8_t>::max_digits10.
1223 * testsuite/18_support/type_info/fundamental.cc: Validate
1224 typeinfo for char8_t.
1225 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
1226 std::from_chars with char8_t.
1227 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
1228 Validate explicit instantiation of std::hash<char8_t>.
1229 * testsuite/20_util/is_integral/value.cc: Validate
1230 std::is_integral<char8_t>.
1231 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
1232 Validate std::make_signed<char8_t>.
1233 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
1234 Validate u8string construction from char8_t sources.
1235 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
1237 * testsuite/21_strings/basic_string_view/operations/compare/
1238 char/70483.cc: Validate substr operations on u8string_view.
1239 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
1240 the u8string_view typedef is defined.
1241 * testsuite/21_strings/char_traits/requirements/
1242 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
1244 * testsuite/21_strings/char_traits/requirements/
1245 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
1246 constexpr member functions.
1247 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
1248 that the u8string typedef is defined.
1249 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
1250 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
1251 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
1252 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
1254 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
1255 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
1257 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
1258 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
1259 Validate std::atomic<char8_t>::is_always_lock_free
1260 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
1261 Update line numbers.
1262 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
1264 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
1266 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1267 Validate std::experimental::pmr::u8string.
1268 * testsuite/experimental/string_view/typedefs.cc: Validate that the
1269 u8string_view typedef is defined.
1270 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
1271 char32_t to the typelists.
1273 2019-02-22 Tom Honermann <tom@honermann.net>
1275 * include/ext/typelist.h: Constrain a partial specialization of
1276 typelist::detail::append_ to only match chain<T1,T2>.
1278 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1281 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
1282 class template with class. Replace move and copy member types with
1283 member alias templates, so they are only instantiated when needed.
1284 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1285 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
1286 test for C++11/14/17 as well.
1287 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
1290 2019-02-20 Jakub Jelinek <jakub@redhat.com>
1293 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
1294 _GLIBCXX_PURE to the alias declaration.
1296 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
1298 * testsuite/21_strings/basic_string/literals/types.cc
1299 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
1300 * testsuite/21_strings/basic_string/literals/values.cc
1301 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1302 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
1303 potentially having different type.
1304 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1305 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
1307 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
1308 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1309 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
1310 string literals only using basic character set.
1311 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
1312 u8 literals to char.
1313 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
1314 Test ATOMIC_CHAR8_T_LOCK_FREE.
1315 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
1316 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
1317 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
1318 * testsuite/experimental/string_view/literals/types.cc
1319 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
1321 * testsuite/experimental/string_view/literals/values.cc
1322 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1324 2019-02-19 Tom Honermann <tom@honermann.net>
1326 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
1327 from char16_32_t.cc; validates numeric_limits<char8_t>.
1328 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
1329 test cloned from types.cc; validates operator""s for char8_t
1331 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
1332 test cloned from values.cc; validates construction and comparison
1334 * testsuite/21_strings/basic_string/requirements/
1335 /explicit_instantiation/char8_t/1.cc: New test cloned from
1336 char16_t/1.cc; validates explicit instantiation of
1337 basic_string<char8_t>.
1338 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
1339 New test cloned from types.cc; validates operator""sv for char8_t
1340 returns u8string_view.
1341 * testsuite/21_strings/basic_string_view/literals/
1342 values-char8_t.cc: New test cloned from values.cc; validates
1343 construction and comparison of u8string_view values.
1344 * testsuite/21_strings/basic_string_view/requirements/
1345 explicit_instantiation/char8_t/1.cc: New test cloned from
1346 char16_t/1.cc; validates explicit instantiation of
1347 basic_string_view<char8_t>.
1348 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
1349 New test cloned from char16_t/65049.cc; validates that
1350 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
1351 * testsuite/21_strings/char_traits/requirements/char8_t/
1352 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
1353 that char_traits<char8_t> member typedefs are present and correct.
1354 * testsuite/21_strings/char_traits/requirements/
1355 explicit_instantiation/char8_t/1.cc: New test cloned from
1356 char16_t/1.cc; validates explicit instantiation of
1357 char_traits<char8_t>.
1358 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
1359 from char16_t.cc: validates
1360 codecvt<char16_t, char8_t, mbstate_t>.
1361 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
1362 from char32_t.cc: validates
1363 codecvt<char32_t, char8_t, mbstate_t>.
1364 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
1365 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
1366 codecvt<char32_t, char8_t, std::mbstate_t>.
1367 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
1368 test cloned from string.cc; validates filesystem::path construction
1370 * testsuite/experimental/feat-char8_t.cc: New test; validates that
1371 the __cpp_lib_char8_t feature test macro is defined with the
1373 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
1374 New test cloned from string.cc; validates filesystem::path
1375 construction from char8_t input.
1376 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
1377 test cloned from types.cc; validates operator""sv for char8_t
1378 returns u8string_view.
1379 * testsuite/experimental/string_view/literals/values-char8_t.cc:
1380 New test cloned from values.cc; validates construction and
1381 comparison of u8string_view values.
1382 * testsuite/experimental/string_view/requirements/
1383 explicit_instantiation/char8_t/1.cc: New test cloned from
1384 char16_t/1.cc; validates explicit instantiation of
1385 basic_string_view<char8_t>.
1386 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
1387 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
1390 2019-02-19 Tom Honermann <tom@honermann.net>
1392 P0482R5 char8_t: Standard library support
1393 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
1394 typeinfo symbols for char8_t.
1395 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
1396 (GLIBCXX_3.4.26): Add symbols for specializations of
1397 numeric_limits and codecvt that involve char8_t.
1398 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
1399 * include/bits/atomic_base.h: Add atomic_char8_t.
1400 * include/bits/basic_string.h: Add std::hash<u8string> and
1401 operator""s(const char8_t*, size_t).
1402 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
1404 * include/bits/char_traits.h: Add char_traits<char8_t>.
1405 * include/bits/codecvt.h: Add
1406 codecvt<char16_t, char8_t, mbstate_t>,
1407 codecvt<char32_t, char8_t, mbstate_t>,
1408 codecvt_byname<char16_t, char8_t, mbstate_t>, and
1409 codecvt_byname<char32_t, char8_t, mbstate_t>.
1410 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
1411 recognize char8_t as an integral type.
1412 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
1414 (path::u8string): Return std::u8string when char8_t support is
1416 (path::generic_u8string): Likewise.
1417 (path::_S_convert): Handle conversion from char8_t input.
1418 (path::_S_str_convert): Likewise.
1419 * include/bits/functional_hash.h: Add hash<char8_t>.
1420 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
1422 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
1423 for new char8_t specializations.
1424 * include/bits/localefwd.h: Add missing declarations of
1425 codecvt<char16_t, char, mbstate_t> and
1426 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
1427 codecvt<char16_t, char8_t, mbstate_t> and
1428 codecvt<char32_t, char8_t, mbstate_t>.
1429 * include/bits/postypes.h: Add u8streampos
1430 * include/bits/stringfwd.h: Add declarations of
1431 char_traits<char8_t> and u8string.
1432 * include/c_global/cstddef: Add __byte_operand<char8_t>.
1433 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
1435 (path::u8string): Return std::u8string when char8_t support is
1437 (path::generic_u8string): Likewise.
1438 (path::_S_convert): Handle conversion from char8_t input.
1439 (path::_S_str_convert): Likewise.
1440 * include/experimental/string: Add u8string.
1441 * include/experimental/string_view: Add u8string_view,
1442 hash<experimental::u8string_view>, and
1443 operator""sv(const char8_t*, size_t).
1444 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
1445 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
1446 as a character type.
1447 * include/std/limits: Add numeric_limits<char8_t>.
1448 * include/std/string_view: Add u8string_view,
1449 hash<experimental::u8string_view>, and
1450 operator""sv(const char8_t*, size_t).
1451 * include/std/type_traits: Add __is_integral_helper<char8_t>,
1452 __make_unsigned<char8_t>, and __make_signed<char8_t>.
1453 * libsupc++/atomic_lockfree_defines.h: Define
1454 ATOMIC_CHAR8_T_LOCK_FREE.
1455 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
1456 codecvt.cc and limits.cc so that char8_t specializations of
1457 numeric_limits and codecvt and emitted.
1458 * src/c++11/Makefile.in: Likewise.
1459 * src/c++11/codecvt.cc: Define members of
1460 codecvt<char16_t, char8_t, mbstate_t>,
1461 codecvt<char32_t, char8_t, mbstate_t>,
1462 codecvt_byname<char16_t, char8_t, mbstate_t>, and
1463 codecvt_byname<char32_t, char8_t, mbstate_t>.
1464 * src/c++11/limits.cc: Define members of
1465 numeric_limits<char8_t>.
1466 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
1467 locale_init.cc and localename.cc.
1468 * src/c++98/Makefile.in: Likewise.
1469 * src/c++98/locale_init.cc: Add initialization for the
1470 codecvt<char16_t, char8_t, mbstate_t> and
1471 codecvt<char32_t, char8_t, mbstate_t> facets.
1472 * src/c++98/localename.cc: Likewise.
1473 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
1475 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
1477 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
1478 * 27_io/filesystem/operations/resize_file.cc: Likewise.
1479 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
1481 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
1483 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
1484 * doc/html/*: Regenerate.
1486 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
1487 * doc/html/*: Regenerate.
1489 * doc/xml/manual/intro.xml: Document LWG 2586 status.
1490 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
1491 allocator type in is_constructible checks.
1492 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
1493 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
1494 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
1495 problematic type from LWG 2586 discussion.
1496 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
1497 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1499 * configure.ac: Check for C11 timespec_get function.
1500 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
1502 * config.h.in: Regenerate.
1503 * configure: Regenerate.
1504 * include/c_global/ctime (timespec, timespec_get): Add to namespace
1505 std for C++17 and up.
1507 * doc/xml/manual/intro.xml: Document LWG 2537 status.
1508 * include/bits/stl_queue.h
1509 (priority_queue(const Compare&, const Container&, const Alloc&))
1510 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
1512 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
1514 * doc/xml/manual/intro.xml: Document LWG 2566 status.
1515 * include/bits/stl_queue.h (queue, priority_queue): Add static
1516 assertions to enforce LWG 2566 requirement on value_type.
1517 * include/bits/stl_stack.h (stack): Likewise.
1520 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
1522 * doc/xml/manual/intro.xml: Document LWG 2735 status.
1523 * include/bits/std_abs.h: Add comment about LWG 2735.
1524 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
1526 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
1529 * include/std/version [__cpp_impl_destroying_delete]
1530 (__cpp_lib_destroying_delete): Only define for C++2a and later.
1531 * libsupc++/new [__cpp_impl_destroying_delete]
1532 (__cpp_lib_destroying_delete): Likewise.
1533 (destroying_delete_t, destroying_delete): Likewise, but define even
1534 when __cpp_impl_destroying_delete is not defined.
1535 * testsuite/18_support/destroying_delete.cc: New test.
1537 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
1540 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
1541 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
1542 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
1543 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
1545 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
1548 * include/bits/fs_path.h (path::has_root_name)
1549 (path::has_root_directory, path::has_root_path)
1550 (path::has_relative_path, path::has_parent_path)
1551 (path::has_filename, path::has_stem, path::has_extension)
1552 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
1554 * src/c++17/fs_path.cc (path::has_root_name)
1555 (path::has_root_directory, path::has_root_path)
1556 (path::has_relative_path, path::has_parent_path)
1557 (path::has_filename, path::_M_find_extension): Add noexcept.
1559 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
1561 PR libstdc++/89102 (partial)
1562 * include/std/type_traits (common_type<>): Define.
1563 (common_type<T>): Derive from common_type<T, T>.
1564 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
1565 Test zero-length template argument list.
1566 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
1567 Test additional single argument cases.
1568 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
1569 Adjust expected error.
1571 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
1574 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
1576 * include/bits/stl_stack.h (stack): Likewise.
1577 * testsuite/23_containers/priority_queue/deduction.cc: New test.
1578 * testsuite/23_containers/queue/deduction.cc: New test.
1579 * testsuite/23_containers/stack/deduction.cc: New test.
1582 * include/std/type_traits (__is_convertible_helper)
1583 (__is_convertible_helper<_From, _To, false>): Revert changes to
1584 support is_nothrow_convertible.
1585 (__is_nt_convertible_helper): New helper.
1586 (is_nothrow_convertible): Use __is_nt_convertible_helper.
1588 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
1589 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
1592 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
1593 __is_alloc_insertable_impl. Replace single type member with two
1594 members, one for each of copy and move insertable.
1595 (__is_move_insertable): New trait for internal use.
1596 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
1597 (vector::_S_nothrow_relocate(true_type)): New functions to
1598 conditionally check if __relocate_a can throw.
1599 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
1600 on __is_move_insertable.
1601 (vector::_S_do_relocate): New overloaded functions to conditionally
1603 (vector::_S_relocate): New function that dispatches to _S_do_relocate
1604 based on _S_use_relocate.
1605 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1606 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
1607 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
1610 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
1611 parameter unnamed. Add message to static assertion.
1612 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1613 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
1616 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
1619 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
1621 (__is_bitwise_relocatable): ... to this.
1622 (__relocate_a_1): Adapt.
1623 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
1624 (__is_bitwise_relocatable): ... to this.
1626 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
1629 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
1630 final component as well as from _M_pathname. Append the dot using
1631 operator+= instead of only to _M_pathname.
1632 (path::_M_find_extension): Reformat slightly.
1633 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
1634 Add more test cases.
1636 2019-01-30 Ulrich Drepper <drepper@redhat.com>
1638 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
1640 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
1642 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
1643 constexpr specifiers from arg and proj.
1645 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
1646 __shared_ptr instantiations used by gcc4-compatible ABI.
1648 * include/experimental/forward_list (experimental::erase): Qualify
1650 * include/experimental/list (experimental::erase): Likewise.
1651 * include/std/forward_list (std::erase): Likewise.
1652 * include/std/list (std::erase): Likewise.
1654 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
1656 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
1657 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
1658 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
1659 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
1660 * testsuite/ext/array_allocator/26875.cc: Likewise.
1661 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
1662 * testsuite/util/replacement_memory_operators.h: Likewise.
1663 * testsuite/util/testsuite_allocator.h: Likewise.
1665 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
1666 normal mode vector, even for debug mode.
1667 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
1668 Define alias template for normal mode vector.
1670 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
1673 * config/locale/generic/c_locale.h (__convert_from_v)
1674 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
1675 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
1676 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
1677 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
1679 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
1682 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
1683 data member with static member function _S_use_relocate().
1684 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1685 (vector::_M_default_append): Use _S_use_relocate() instead of
1688 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
1691 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
1694 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
1695 write to stderr instead of using printf.
1697 2019-01-21 Jakub Jelinek <jakub@redhat.com>
1700 * include/bits/char_traits.h (__constant_string_p,
1701 __constant_char_array_p): Use __builtin_is_constant_evaluated if
1704 2019-01-20 Ulrich Drepper <drepper@redhat.com>
1706 Implement C++20 P0600r1.
1707 * include/backward/hash_map: Add nodiscard attribute to empty.
1708 * include/backward/hash_set: Likewise.
1709 * backward/hashtable.h: Likewise.
1710 * include/bits/basic_string.h: Likewise.
1711 * include/bits/forward_list.h: Likewise.
1712 * include/bits/hashtable.h: Likewise.
1713 * include/bits/regex.h: Likewise.
1714 * include/bits/stl_deque.h: Likewise.
1715 * include/bits/stl_list.h: Likewise.
1716 * include/bits/stl_map.h: Likewise.
1717 * include/bits/stl_multimap.h: Likewise.
1718 * include/bits/stl_multiset.h: Likewise.
1719 * include/bits/stl_queue.h: Likewise.
1720 * include/bits/stl_set.h: Likewise.
1721 * include/bits/stl_stack.h: Likewise.
1722 * include/bits/stl_tree.h: Likewise.
1723 * include/bits/stl_vector.h: Likewise.
1724 * include/bits/unordered_map.h: Likewise.
1725 * include/bits/unordered_set.h: Likewise.
1726 * include/debug/array: Likewise.
1727 * include/experimental/any: Likewise.
1728 * include/experimental/bits/fs_path.h: Likewise.
1729 * include/experimental/internet: Likewise.
1730 * include/experimental/string_view: Likewise.
1731 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
1733 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
1735 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
1737 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
1739 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
1741 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
1743 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
1745 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
1747 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
1748 info_fn_imps.hpp: Likewise.
1749 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
1750 left_child_next_sibling_heap_.hpp: Likewise.
1751 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
1753 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
1755 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
1757 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
1759 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
1761 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
1763 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
1765 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
1766 * include/ext/pb_ds/trie_policy.hpp: Likewise.
1767 * include/ext/rope: Likewise.
1768 * include/ext/slist: Likewise.
1769 * include/ext/vstring.h: Likewise.
1770 * include/profile/array: Likewise.
1771 * include/std/array: Likewise.
1772 * include/tr1/array: Likewise.
1773 * include/tr1/hashtable.h: Likewise.
1774 * include/tr1/regex: Likewise.
1775 * include/tr2/dynamic_bitset: Likewise.
1776 * include/bits/alloc_traits.h: Add nodiscard attribute to
1778 * include/experimental/memory_resource: Likewise.
1779 * include/ext/alloc_traits.h: Likewise.
1780 * include/ext/array_allocator.h: Likewise.
1781 * include/ext/bitmap_allocator.h: Likewise.
1782 * include/ext/debug_allocator.h: Likewise.
1783 * include/ext/extptr_allocator.h: Likewise.
1784 * include/ext/mt_allocator.h: Likewise.
1785 * include/ext/new_allocator.h: Likewise.
1786 * include/ext/pool_allocator.h: Likewise.
1787 * include/ext/throw_allocator.h: Likewise.
1788 * include/std/scoped_allocator: Likewise.
1789 * libsupc++/eh_alloc.cc: Likewise.
1790 * include/std/future: Add nodiscard attribute to async.
1791 * libsupc++/new: Add nodiscard attribute to new.
1793 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
1798 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
1799 * include/bits/shared_ptr.h
1800 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
1801 (allocate_shared): Change to use new tag type.
1802 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
1803 Declare new member function.
1804 (_Sp_alloc_shared_tag): Define new type.
1805 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
1806 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
1807 _Sp_make_shared_tag::_S_eq to check type_info.
1808 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
1809 Constrain to prevent being called with _Sp_alloc_shared_tag.
1810 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
1811 Replace constructor with ...
1812 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
1813 reference parameter so address of the new object can be returned to
1814 the caller. Obtain the allocator from the tag type.
1815 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
1816 constructor with ...
1817 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
1818 to the __shared_count constructor.
1819 (__allocate_shared): Change to use new tag type.
1820 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
1822 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
1824 * src/c++17/fs_ops.cc
1825 (equivalent(const path&, const path&, error_code&))
1826 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
1827 compare files instead of relying on incomplete info returned by stat.
1830 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
1831 if the path is already absolute.
1832 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
1833 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
1836 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
1837 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
1838 of filesystem::exists.
1839 (create_directories(const path&, error_code&)): Add assertions.
1840 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1841 Add workaround for bug in _wstat for paths with trailing slash.
1842 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
1843 for expected behaviour on mingw.
1844 * testsuite/experimental/filesystem/operations/create_directories.cc:
1846 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
1847 "TMP" instead of "TMPDIR" and clean environment before each test. Do
1848 not test permissions on mingw targets.
1850 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
1852 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
1853 constructors and open members taking wide strings. Fix patterns for
1854 filesystem::path members to match wstring_view parameters. Add
1855 exports for shared_ptr members used by directory iterators.
1856 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
1857 error code parameter if the file doesn't exist.
1858 * src/filesystem/ops.cc (remove(const path&, error_code&)):
1860 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
1861 values for mingw targets, where "/" is not an absolute path. Do not
1862 test symlinks on mingw targets.
1863 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
1864 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
1866 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
1867 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
1868 that each component of the path is created.
1869 * testsuite/experimental/filesystem/operations/create_directories.cc:
1871 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
1872 permissions on mingw targets.
1873 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
1874 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
1875 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
1876 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
1878 * testsuite/experimental/filesystem/operations/permissions.cc:
1880 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
1881 symlinks or permissions on mingw targets.
1882 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
1883 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
1884 symlinks on mingw targets.
1885 * testsuite/experimental/filesystem/operations/remove_all.cc:
1887 * testsuite/27_io/filesystem/operations/status.cc: Do not test
1888 permissions on mingw targets.
1889 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
1890 test symlinks on mingw targets.
1891 * testsuite/experimental/filesystem/operations/space.cc: Fix test
1894 2019-02-14 Ulrich Drepper <drepper@redhat.com>
1897 Warn about unused comparisons of shared_ptr/unique_ptr
1898 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
1899 * include/bits/shared_ptr.h: Use it for operator ==, !=,
1900 <, <=, >, >= for shared_ptr.
1901 * include/bits/unique_ptr.h: Likewise for unique_ptr.
1903 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
1905 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
1906 as 201611L, because P0497R0 changes are supported.
1907 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
1909 * include/bits/erase_if.h [__cplusplus > 201703L]
1910 (__cpp_lib_erase_if): Only define for C++2a.
1911 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
1912 (__cpp_lib_null_iterators): Define.
1913 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
1914 (__cpp_lib_null_iterators): Define.
1915 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
1917 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
1919 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
1921 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
1922 changes are supported.
1923 * include/std/optional (__cpp_lib_optional): Likewise.
1924 * include/std/variant (__cpp_lib_variant): Likewise.
1925 * include/std/version [!__STRICT_ANSI__]
1926 (__cpp_lib_uncaught_exceptions): Define as long integer.
1927 [__cplusplus >= 201703L] (__cpp_lib_any)
1928 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
1929 (__cpp_lib_variant): Define for C++17.
1930 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
1932 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
1935 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
1937 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
1941 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
1943 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
1946 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
1948 * doc/xml/manual/intro.xml: Include new section.
1949 * doc/xml/manual/status_cxx2017.xml: Document more
1950 implementation-defined properties of the library.
1951 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
1952 * doc/html/*: Regenerate.
1954 * include/bits/refwrap.h [__cplusplus > 201703L]
1955 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
1956 (_Reference_wrapper_base_memfun): Do not define for C++2a.
1957 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
1959 (reference_wrapper::operator()): Add static assertion.
1960 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
1962 * include/std/chrono (duration_values::zero(), duration_values::min())
1963 (duration_values::max()): Add noexcept.
1964 (duration::zero(), duration::min(), duration::max()): Likewise.
1965 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
1966 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
1967 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
1969 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
1971 2019-01-11 Jakub Jelinek <jakub@redhat.com>
1973 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
1974 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
1976 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
1979 * include/bits/functional_hash.h (hash<nullptr_t>): Define
1980 specialization for C++17 (P0513R0, LWG 2817).
1981 * testsuite/20_util/hash/nullptr.cc: New test.
1984 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
1985 pattern for std::basic_stringbuf::str().
1987 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
1988 basic_ostream::operator<< patterns.
1990 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
1992 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
1993 test failures on targets with 32-bit time_t.
1995 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
1996 * include/std/deque: Likewise.
1997 * include/std/forward_list: Likewise.
1998 * include/std/list: Likewise.
1999 * include/std/string: Likewise.
2000 * include/std/vector: Likewise.
2001 * include/std/version: Likewise.
2002 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
2003 * testsuite/23_containers/deque/erasure.cc: Likewise.
2004 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
2005 * testsuite/23_containers/list/erasure.cc: Likewise.
2006 * testsuite/23_containers/map/erasure.cc: Likewise.
2007 * testsuite/23_containers/set/erasure.cc: Likewise.
2008 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2009 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
2010 * testsuite/23_containers/vector/erasure.cc: Likewise.
2012 * include/experimental/internet [AI_NUMERICSERV]
2013 (resolver_base::numeric_service): Define conditionally.
2014 * testsuite/experimental/net/internet/resolver/base.cc: Test it
2016 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
2019 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
2020 Jonathan Wakely <jwakely@redhat.com>
2023 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
2024 (GLIBCXX_3.4.26): Add new exports.
2025 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
2026 correct list of sources.
2027 * include/Makefile.in: Regenerate.
2028 * include/std/ostream (operator<<(nullptr_t)): New member function.
2029 * src/c++17/ostream-inst.cc: New file.
2030 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
2033 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2035 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
2036 of the source file containing the caller.
2037 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
2038 directories created by test.
2039 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2041 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
2043 * testsuite/experimental/filesystem/iterators/
2044 recursive_directory_iterator.cc: Likewise.
2046 2019-01-10 Jakub Jelinek <jakub@redhat.com>
2048 PR tree-optimization/88775
2049 * include/bits/stl_function.h (greater<_Tp*>::operator(),
2050 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
2051 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
2052 instead of __builtin_constant_p if available. Don't bother with
2053 the pointer comparison in C++11 and earlier.
2055 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
2059 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
2062 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
2064 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
2065 for filesystem::path. Give variables more distinctive names.
2067 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
2068 member function to perform non-trivial assignment.
2069 (_Optional_payload_base::_M_move_assign): Likewise.
2070 (_Optional_payload<T, true, false, true>::operator=)
2071 (_Optional_payload<T, true, true, false>::operator=)
2072 (_Optional_payload<T, true, false, false>::operator=): Call
2073 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
2076 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
2077 test std::complex<long double> if long double format is IBM128.
2078 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
2081 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2083 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
2084 for old std::unique_ptr layout.
2085 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
2086 to become valueless. Add filesystem::path tests.
2089 * include/std/optional (_Optional_payload_base): New class template
2090 for common code hoisted from _Optional_payload specializations. Use
2091 a template for the union, to allow a partial specialization for
2092 types with non-trivial destructors. Add constructors for in-place
2093 initialization to the union.
2094 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
2095 to perform non-trivial copy construction, instead of relying on
2096 non-standard copy elision in a delegating constructor.
2097 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
2098 non-trivial move construction.
2099 (_Optional_payload): Derive from _Optional_payload_base and use it
2100 for everything except the non-trivial assignment operators, which are
2102 (_Optional_payload<false, C, M>): Derive from the specialization
2103 _Optional_payload<true, false, false> and add a destructor.
2104 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
2105 Forward to corresponding members of _Optional_payload.
2106 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
2107 Hoist common members from _Optional_base.
2108 (_Optional_base): Make all members and base class public.
2109 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
2110 _Optional_base_impl.
2111 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
2112 support for new std::optional layout.
2113 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
2116 * include/bits/locale_conv.h: Use <> for includes not "".
2117 * include/ext/random: Likewise.
2118 * include/ext/vstring.h: Likewise.
2120 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2122 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
2123 (GLIBCXX_3.4.21): Likewise.
2125 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2128 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
2129 to match the one that controls whether utimbuf and utime are declared.
2131 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
2134 * include/bits/char_traits.h (char_traits::move): Do not pass null
2135 pointers to memmove.
2136 * include/bits/locale_facets.h
2137 (ctype<char>::widen(const char*, const char*, char*)): Do not
2138 pass null pointers to memcpy.
2139 (ctype<char>::narrow(const char*, const char*, char, char*)):
2141 (ctype<char>::do_widen(const char*, const char*, char*)):
2143 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
2146 * doc/xml/manual/spine.xml: Update copyright years.
2147 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
2148 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
2149 for C++17 filesystem library.
2150 * doc/html/*: Regenerate.
2152 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
2153 * config.h.in: Regenerate.
2154 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
2155 alphabetically and add missing entries for copy_symlink,
2156 hard_link_count, rename, and resize_file.
2157 * configure: Regenerate.
2158 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
2159 used unconditionally.
2160 * src/filesystem/ops-common.h (__gnu_posix::truncate)
2161 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
2162 supports truncating to zero length.
2163 * testsuite/27_io/filesystem/operations/all.cc: New test.
2164 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
2166 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
2169 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
2170 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
2171 * config.h.in: Regenerate.
2172 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
2173 remaining std::filesystem types and functions.
2174 * configure: Regenerate.
2175 * src/c++17/Makefile.am: Add C++17 filesystem sources.
2176 * src/c++17/Makefile.in: Regenerate.
2177 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
2178 here, and change name of included file.
2179 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
2180 here, and change name of included file.
2181 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
2182 path to dir-common.h.
2183 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
2184 path to ops-common.h. Disable -Wunused-parameter warnings.
2185 (internal_file_clock): Define unconditionally.
2186 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
2188 (do_copy_file, do_space): Move definitions to ops.common.h.
2189 (copy, file_size, hard_link_count, last_write_time, space): Only
2190 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
2192 (last_write_time, read_symlink): Remove unused attributes from
2194 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
2195 * src/filesystem/Makefile.in: Regenerate.
2196 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
2197 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
2198 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
2199 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
2200 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
2201 dummy types and functions instead of using #error.
2202 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
2203 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
2205 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
2206 (do_copy_file, do_space): Move definitions here from std-ops.cc.
2207 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
2208 to account for new namespace.
2209 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
2210 -lstdc++fs from dg-options.
2211 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
2212 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
2213 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
2214 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
2215 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
2217 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
2218 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2220 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
2221 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
2222 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
2223 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
2224 * testsuite/27_io/filesystem/operations/create_directories.cc:
2226 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
2227 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
2228 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
2229 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
2230 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
2231 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
2232 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2233 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
2234 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
2235 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
2236 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
2237 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
2238 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
2239 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
2240 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
2241 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2242 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2243 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
2245 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
2249 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
2250 typeinfo and vtables less greedy.
2251 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
2252 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
2253 * src/c++17/Makefile.in: Regenerate.
2254 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
2255 here, and change name of included file.
2256 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
2257 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
2259 * src/filesystem/Makefile.in: Regenerate.
2260 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
2261 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
2262 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
2263 from dg-options and remove dg-require-filesystem-ts.
2264 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
2265 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
2266 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
2267 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
2268 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
2269 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
2270 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
2271 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
2272 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
2273 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
2274 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
2275 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
2276 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
2277 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
2278 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
2279 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
2280 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
2281 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
2282 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
2283 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
2284 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
2286 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
2287 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
2288 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
2289 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
2290 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
2291 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
2292 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
2293 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
2294 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
2295 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
2296 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
2297 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
2299 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
2301 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
2303 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
2305 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
2306 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
2307 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
2308 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
2309 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
2310 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
2311 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
2312 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
2313 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
2314 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
2316 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
2317 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
2318 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
2319 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
2320 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
2323 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
2324 Check is_trivially_copyable instead of is_scalar.
2325 (variant::emplace<N, Args>(Args&&...)): If construction of the new
2326 contained value can throw and its type is trivially copyable then
2327 construct into a temporary variant and move from it, to provide the
2328 strong exception safety guarantee.
2329 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
2331 * testsuite/20_util/variant/87431.cc: New test.
2332 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
2333 conversion causes valueless state.
2336 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
2337 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
2338 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
2339 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
2340 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
2342 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
2344 * include/bits/fs_fwd.h (__file_clock): Define new clock.
2345 (file_time_type): Redefine in terms of __file_clock.
2346 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
2348 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
2350 (internal_file_lock): New helper type for accessing __file_clock.
2351 (do_copy_file): Use internal_file_lock to convert system time to
2353 (last_write_time(const path&, error_code&)): Likewise.
2354 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
2356 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
2358 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
2359 for const member functions of std::basic_string.
2360 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
2362 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
2363 Make non-standard constructor private.
2364 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
2366 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
2367 explicit instantiations for C++17 as well as earlier dialects.
2368 * src/c++17/Makefile.am: Add new source files.
2369 * src/c++17/Makefile.in: Regenerate.
2370 * src/c++17/cow-string-inst.cc: New file defining explicit
2371 instantiations for basic_string member functions added in C++17.
2372 * src/c++17/string-inst.cc: Likewise.
2374 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
2375 copy/move constructors for old std::basic_string.
2376 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2377 (basic_string::reference, basic_string::const_reference): Define
2378 as plain references for C++11 and later.
2379 (basic_string::basic_string()): Put constructor body outside
2380 preprocessor conditional groups.
2381 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
2382 instead of copying it.
2383 (basic_string::basic_string(const basic_string&, const _Alloc&)):
2385 (basic_string::basic_string(basic_string&&, const _Alloc&)):
2387 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
2388 cases for old basic_string.
2389 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
2390 allocator-extended constructors unconditionally. Add extra members to
2391 allocator type when using old string ABI.
2392 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
2394 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
2396 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
2397 -fno-inline added to test flags.
2399 * testsuite/21_strings/basic_string/requirements/
2400 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
2402 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
2403 assertion failures with old std::string ABI.
2405 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
2407 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
2408 functions that will only erase elements at the end.
2409 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
2410 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
2411 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
2413 (path::_List::pop_back()): Define.
2414 (path::_List::_M_erase_from(const_iterator)): Define.
2415 (path::operator/=(const path&)): Use pop_back to remove last component
2416 and _M_erase_from to remove multiple components.
2417 (path::_M_append(basic_string_view<value_type>)): Likewise.
2418 (path::operator+=(const path&)): Likewise.
2419 (path::_M_concat(basic_string_view<value_type>)): Likewise.
2420 (path::remove_filename()): Likewise.
2421 (path::lexically_normal()): Use _List::_Impl iterators instead of
2422 path::iterator. Use pop_back to remove components from the end. Clear
2423 trailing filename, instead of using erase(const_iterator) to remove
2424 a non-final component.
2425 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
2427 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
2429 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
2430 incorrect treatment of empty filename after trailing slash.
2431 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
2433 * testsuite/21_strings/basic_string/modifiers/assign/char/
2434 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
2436 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
2437 move_assign_optim.cc: Likewise.
2439 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
2440 Jakub Jelinek <jakub@redhat.com>
2443 * include/experimental/memory: Replace UTF-8 quote characters.
2444 * include/std/future: Replace UTF-8 "em dash" characters.
2446 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
2449 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
2450 * include/debug/forward_list: Likewise.
2451 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
2453 * include/experimental/chrono: Likewise.
2454 * include/experimental/functional: Likewise.
2455 * include/experimental/ratio: Likewise.
2456 * include/experimental/system_error: Likewise.
2457 * include/experimental/tuple: Likewise.
2458 * include/experimental/type_traits: Likewise.
2459 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
2460 * include/parallel/multiseq_selection.h: Likewise.
2463 * config/abi/pre/gnu.ver: Add missing exports.
2464 * testsuite/22_locale/collate_byname/88681.cc: New test.
2465 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
2466 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
2468 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
2470 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
2471 initializer_list<value_type> and from input iterator ranges.
2472 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
2474 * testsuite/experimental/string_view/element_access/char/empty.cc:
2475 Fix year range in copyright header.
2477 2019-01-02 Joel Brobecker <brobecker@adacore.com>
2479 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
2480 Fix year range in copyright header.
2482 2019-01-01 Jakub Jelinek <jakub@redhat.com>
2484 Update copyright years.
2486 Copyright (C) 2019 Free Software Foundation, Inc.
2488 Copying and distribution of this file, with or without modification,
2489 are permitted in any medium without royalty provided the copyright
2490 notice and this notice are preserved.