1 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
3 * include/experimental/bits/net.h: Fix/improve doxygen markup.
4 * include/experimental/buffer: Likewise.
5 * include/experimental/executor: Likewise.
6 * include/experimental/internet: Likewise.
7 * include/experimental/io_context: Likewise.
8 * include/experimental/net: Likewise.
9 * include/experimental/netfwd: Likewise.
10 * include/experimental/socket: Likewise.
11 * include/experimental/timer: Likewise.
13 * doc/doxygen/doxygroups.cc: Move description of experimental group
15 * include/experimental/algorithm: Add to libfund-ts doc group.
16 * include/experimental/any: Likewise. Do not document implementation
18 * include/experimental/array: Add to libfund-ts doc group.
19 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
20 for Library Fundamentals.
21 * include/experimental/chrono: Add to libfund-ts doc group.
22 * include/experimental/deque: Likewise.
23 * include/experimental/forward_list: Likewise.
24 * include/experimental/functional: Likewise.
25 * include/experimental/iterator: Likewise.
26 * include/experimental/list: Likewise.
27 * include/experimental/map: Likewise.
28 * include/experimental/memory: Likewise.
29 * include/experimental/memory_resource: Likewise. Improve docs.
31 * include/experimental/numeric: Add to libfund-ts doc group.
32 * include/experimental/optional: Likewise.
33 * include/experimental/propagate_const: Likewise.
34 * include/experimental/random: Likewise.
35 * include/experimental/ratio: Likewise.
36 * include/experimental/regex: Likewise.
37 * include/experimental/set: Likewise.
38 * include/experimental/source_location: Likewise.
39 * include/experimental/string: Likewise.
40 * include/experimental/string_view: Likewise.
41 * include/experimental/system_error: Likewise.
42 * include/experimental/tuple: Likewise.
43 * include/experimental/type_traits: Likewise.
44 * include/experimental/unordered_map: Likewise.
45 * include/experimental/unordered_set: Likewise.
46 * include/experimental/utility: Likewise.
47 * include/experimental/vector: Likewise.
48 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
49 * testsuite/experimental/array/neg.cc: Adjust dg-error.
50 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
52 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
53 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
54 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
55 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
56 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
58 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
59 * include/experimental/bits/fs_fwd.h: Improve docs.
60 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
61 * include/experimental/bits/fs_path.h: Likewise.
62 (path, filesystem_error, u8path): Improve docs.
63 * include/experimental/filesystem: Link to docs for TS.
65 * config/allocator/new_allocator_base.h (__allocator_base): Add
66 workaround for Doxygen bug #6945.
67 * include/std/memory: Improve docs. Define group for pointer safety.
68 * include/std/scoped_allocator: Improve docs. Use "undocumented"
69 conditional to suppress documentation for implementation details.
71 * include/bits/specfun.h: Improve docs.
72 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
75 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
76 (std::experimental): Add docs.
77 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
78 namespace to nothing when generating docs.
79 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
80 * include/std/chrono (std::chrono): Likewise.
81 * include/std/functional (std::placeholders): Likewise.
82 * include/std/thread (std::this_thread): Likewise.
84 * include/parallel/settings.h: Fix Doxygen markup.
86 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
87 anything unless PB_DS_CLASS_C_DEC is defined.
88 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
89 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
90 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
91 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
92 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
93 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
94 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
96 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
97 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
98 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
99 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
100 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
101 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
102 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
103 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
104 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
105 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
106 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
108 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
109 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
111 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
114 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
115 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
116 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
119 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
121 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
122 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
123 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
124 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
125 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
126 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
128 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
129 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
132 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
135 * include/std/complex (__complex_proj): Return parameter unchanged.
136 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
137 floating-point types to take std::complex arguments.
138 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
139 floating-point types.
140 * testsuite/26_numerics/complex/proj.cc: New test.
142 2019-04-30 Jakub Jelinek <jakub@redhat.com>
144 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
145 to _Lock_policyE[012].
146 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
148 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
150 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
151 macros accidentally left in.
152 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
153 unnecessary -lstdc++fs option. Fix test for mingw.
154 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
157 2019-04-30 Jakub Jelinek <jakub@redhat.com>
159 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
161 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
163 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
165 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
166 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
169 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
171 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
174 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
175 class template and partial specialization.
178 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
180 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
181 functions to convert a value to an integral type.
182 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
183 (fill_n): Convert _Size parameter to an integral type.
184 * testsuite/25_algorithms/fill_n/87982.cc: New test.
185 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
186 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
187 * testsuite/25_algorithms/generate_n/87982.cc: New test.
188 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
189 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
191 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
193 Adding noexcept-specification on tuple constructors (LWG 2899)
194 * libstdc++-v3/include/std/tuple:
195 (tuple()): Add noexcept-specification.
196 (tuple(const _Elements&...)): Likewise
197 (tuple(_UElements&&...)): Likewise
198 (tuple(const tuple<_UElements...>&)): Likewise
199 (tuple(tuple<_UElements...>&&)): Likewise
200 (tuple(const _T1&, const _T2&)): Likewise
201 (tuple(_U1&&, _U2&&)): Likewise
202 (tuple(const tuple<_U1, _U2>&): Likewise
203 (tuple(tuple<_U1, _U2>&&): Likewise
204 (tuple(const pair<_U1, _U2>&): Likewise
205 (tuple(pair<_U1, _U2>&&): Likewise
206 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
208 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
211 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
212 arguments with __restrict.
214 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
216 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
218 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
220 * include/experimental/bits/fs_path.h
221 (path::_S_convert_loc<_InputIterator>): Create const std::string to
222 avoid redundant call to _S_convert_loc with non-const pointers.
224 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
225 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
226 * testsuite/21_strings/basic_string/hash/hash.cc
227 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
228 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
229 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
231 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
232 wstring::_M_replace_dispatch with more specific patterns.
233 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
234 Create const std::string to avoid redundant call to _S_convert_loc
235 with non-const pointers.
236 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
237 avoid unnecessary basic_string::assign instantiations.
239 * include/std/memory (__uses_alloc_args): Add string-literal to
240 static_assert, to match the one in __uses_alloc.
241 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
242 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
243 for recursive uses-allocator construction of nested pairs.
244 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
247 2019-04-26 Jakub Jelinek <jakub@redhat.com>
249 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
250 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
251 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
252 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
254 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
255 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
256 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
257 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
258 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
259 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
260 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
262 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
265 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
266 * include/std/scoped_allocator [__cplusplus > 201703L]
267 (scoped_allocator_adaptor::construct): Define in terms of
268 uses_allocator_construction_args, as per P0591R4.
269 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
270 * testsuite/util/testsuite_allocator.h: Remove name of unused
273 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
275 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
276 * doc/html/*: Regenerate.
278 * include/bits/fs_path.h (operator<, operator<=, operator>)
279 (operator>=, operator==, operator!=): Make hidden friends, as per
281 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
283 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
285 * include/std/any (any::any(ValueType&&)): Use __and_v.
286 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
289 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
291 * include/std/type_traits (__result_of_memfun): Use remove_reference
292 instead of __remove_cvref_t and remove redundant is_same check.
293 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
295 * include/experimental/string_view (basic_string_view::pointer)
296 (basic_string_view::reference): Fix to refer to non-const value_type.
297 * include/bits/basic_string.h (basic_string): Use __sv_check and
298 __sv_limit instead of basic_string_view::_M_check and
299 basic_string_view::_M_limit.
300 * include/std/string_view (__sv_check, __sv_limit): New
301 helper functions to replace basic_string_view::_M_check and
302 basic_string_view::_M_limit.
303 (basic_string_view): Add static assertions to enforce ill-formed
304 requirement for traits_type::char_type from P1148R0, and to enforce
305 required properties of char-like types.
306 (basic_string_view::pointer, basic_string_view::reference): Fix to
307 refer to non-const value_type.
308 (basic_string_view::operator[], basic_string_view::at)
309 (basic_string_view::front, basic_string_view::back)
310 (basic_string_view::data): Use const_reference and const_pointer
311 typedefs for return types.
312 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
313 (hash<wstring_view>): Fix argument_type typedef.
314 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
315 char/1.cc: Fix expected return type of basic_string_view::data().
316 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
317 wchar_t/1.cc: Likewise.
318 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
320 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
321 wchar_t/1.cc: Likewise.
322 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
324 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
325 Check reference and pointer typedefs.
326 * testsuite/experimental/string_view/requirements/typedefs.cc:
328 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
329 Fix expected return type of basic_string_view::data().
330 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
332 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
334 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
338 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
339 Avoid a runtime check for types that can never be stored in std::any.
340 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
343 PR libstdc++/90220 (partial)
344 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
345 not attempt ill-formed static_cast to pointers to non-object types.
346 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
349 * testsuite/20_util/variant/run.cc: Catch exception by reference to
350 prevent -Wcatch-value warning.
352 * include/std/variant (__variant_construct): Use template parameter
353 type instead of equivalent decltype-specifier.
354 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
355 Replace forward with move.
356 (_Move_ctor_base<false, Types...>::_M_destructive_move)
357 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
358 (_Move_ctor_base<true, Types...>::_M_destructive_move)
359 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
360 index after construction succeeds.
361 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
362 if-constexpr checks that are always true. Use __remove_cvref_t instead
363 of remove_reference so that is_nothrow_move_constructible check
364 doesn't use a const rvalue parameter. In the potentially-throwing case
365 construct a temporary and move assign it, as per LWG 2904.
366 (_Move_assign_base<false, Types...>::operator=): Remove redundant
367 if-constexpr checks that are always true. Use emplace as per LWG 2904.
368 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
369 construct a temporary and move assign from it, as per LWG 2904.
370 * testsuite/20_util/variant/exception_safety.cc: Check that
371 assignment operators have strong exception safety guarantee.
373 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
375 Document PSTL linker flags
377 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
379 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
381 * include/std/variant (__detail::__variant::_Traits): Make
382 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
383 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
385 (__detail::__variant::_Copy_assign_alias): Only depend on
386 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
387 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
388 move assignment operators.
391 * include/std/variant (variant::__not_self): New helper for the
392 is_same_v<remove_cvref_t<T>, variant>==false constraints.
393 (variant::__to_type_impl): Remove.
394 (variant::__to_type): Add default argument to check pack size, instead
395 of using __to_type_impl.
396 (variant::__accepted_type): Add default argument using __not_self.
397 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
398 for variant(T&&) constructor constraint.
399 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
400 Extract __accepted_type into a named template parameter for reuse in
401 other constraints and in the exception specification.
402 (variant::variant(in_place_type_t<T>, Args&&...))
403 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
404 (variant::variant(in_place_index_t<T>, Args&&...))
405 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
406 (variant::operator=T&&)): Remove redundant && from trait arguments.
407 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
408 isn't used for in_place_type or in_place_index arguments.
410 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
411 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
412 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
414 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
415 Bernd Edlinger <bernd.edlinger@hotmail.de>
416 Jakub Jelinek <jakub@redhat.com>
419 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
420 general-regs-only target attribute for ARM.
422 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
425 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
426 specialization also depend on is_nothrow_move_constructible.
427 * include/std/variant (__detail::__variant::__never_valueless()):
428 Only true if the variant would have a move assignment operator.
429 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
430 Check __never_valueless<T...>().
431 (variant::emplace): Only perform non-throwing move assignments
432 for never-valueless alternatives if the variant has a move assignment
434 * testsuite/20_util/variant/compile.cc: Check that never-valueless
435 types can be emplaced into non-assignable variants.
436 * testsuite/20_util/variant/run.cc: Check that never-valueless types
437 don't get copied when emplaced into non-assignable variants.
439 * include/std/variant (__detail::__variant::__ref_cast): Remove
441 (__detail::__variant::_Uninitialized::_M_get)
442 (__detail::__variant::__get)
443 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
445 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
447 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
449 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
450 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
451 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
452 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
454 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
456 Delegate PSTL configuration to pstl/pstl_config.h
458 * include/bits/c++config: Remove explicit PSTL configuration
459 macros and use definitions from <pstl/pstl_config.h>.
461 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
463 Cleanup algorithm implementations
464 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
466 (mismatch): Forward execution policy.
467 (equal): Qualify call to std::equal().
468 (partial_sort): Forward execution policy.
469 (inplace_merge): Forward execution policy.
471 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
473 Improve implementation of parallel equal()
474 * include/pstl/algorithm_impl.h
475 (__internal::__brick_equal): use "4 iterator" version of
477 (__internal::__brick_equal): use simd for random access
478 iterators on unsequenced execution policies.
479 (__internal::__pattern_equal): add "4 iterator" version
480 (__internal::__pattern_equal): dispatch to simd __brick_equal
481 for vector-only execution policies.
482 (__internal::__pattern_equal): dispatch to __parallel_or for
483 parallel execution policies.
484 * include/pstl/glue_algorithm_impl.h
485 (std::equal): dispatch to "4 iterator" version of
486 __internal::__pattern_equal().
488 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
491 * include/bits/forward_list.h (operator==): Do not use operator!= to
493 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
494 earlier in the list, so that sort is stable.
495 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
496 * testsuite/23_containers/forward_list/comparable.cc: Test with
497 types that meet the minimum EqualityComparable and LessThanComparable
498 requirements. Remove irrelevant comment.
500 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
501 Do not depend on whether all alternative types are move constructible.
502 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
503 from the operand when deciding whether to perform the assignment.
504 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
505 with deleted move constructor and deleted move assignment operator.
506 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
507 behaviour of variants with DeletedMoves as an alternative.
508 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
509 (move_ctor, move_assign): Check that moving a variant with a
510 DeletedMoves alternative falls back to copying instead of moving.
512 * testsuite/20_util/variant/compile.cc: Remove empty string literals
513 from static_assert declarations.
515 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
516 actually match its name.
517 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
518 (test_swap()): Fix result for MoveCtorOnly and check
521 * include/std/optional (optional::value_or(U&&) &&): Add missing
523 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
524 for disengaged optionals and rvalue optionals.
525 * testsuite/20_util/optional/observers/4.cc: Likewise.
527 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
529 * include/pstl/algorithm_impl.h: Uglify identfiers.
530 * include/pstl/numeric_impl.h: Uglify identfiers.
531 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
533 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
535 * include/bits/c++config:
536 Add definition for __PSTL_ASSERT.
537 Add definition for __PSTL_ASSERT_MSG.
538 * include/pstl/algorithm_impl.h: Replace use of assert().
539 * include/pstl/numeric_impl.h: Replace use of assert().
540 * include/pstl/parallel_backend_tbb.h:
541 Replace use of assert().
542 Replace use of __TBB_ASSERT().
543 * include/pstl/parallel_backend_utils.h: Replace use of assert().
545 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
548 * src/c++17/memory_resource.cc
549 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
550 needed to allow placing a _Chunk at the end of the buffer.
551 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
553 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
555 * doc/xml/faq.xml: Add information about emergency EH pool.
556 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
557 Move outdated information on mt_allocator to a separate section.
558 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
559 doesn't affect the default allocator.
561 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
565 * testsuite/20_util/variant/89851.cc: New test.
567 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
569 * include/std/variant: Adjust whitespace. Add comments.
570 (_Multi_array): Leave primary template undefined.
571 (_Multi_array<_Tp>): Define partial specialization for base case of
573 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
574 which is always a reference.
575 (__gen_vtable::_S_apply()): Remove function, inline body into
576 default member initializer.
577 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
579 * include/std/variant (__variant_idx_cookie): Add member type.
580 (__visitor_result_type): Remove.
581 (__do_visit): Use invoke_result instead of __visitor_result_type.
582 * testsuite/20_util/variant/visit.cc: New test.
585 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
587 * testsuite/20_util/variant/90008.cc: New test.
589 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
591 * include/pstl/algorithm_impl.h: Add namespace qualification.
592 * include/pstl/execution_defs.h: Add namespace qualification.
593 * include/pstl/execution_impl.h: Add namespace qualification.
594 * include/pstl/numeric_impl.h: Add namespace qualification.
595 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
596 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
597 * include/pstl/parallel_backend_utils.h: Include <cassert>.
599 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
601 Fix visit<R> for variant.
602 * include/std/variant (__do_visit): Add a template parameter
603 for enforcing same return types for visit.
604 (__gen_vtable_impl): Likewise.
605 (_S_apply_single_alt): Adjust.
606 (__visit_invoke_impl): New. Handle casting to void.
607 (__do_visit_invoke): New. Enforces same return types.
608 (__do_visit_invoke_r): New. Converts return types.
609 (__visit_invoke): Adjust.
610 (__gen_vtable): Add a template parameter for enforcing
611 same return types for visit.
612 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
613 different return types.
614 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
615 visitors with different return types don't accidentally
616 compile with regular visitation.
618 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
620 * testsuite/27_io/filesystem/iterators/caching.cc: Add
621 dg-require-filesystem-ts.
623 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
625 * doc/xml/manual/status_cxx2020.xml: Update status.
626 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
627 * testsuite/20_util/variant/visit_r.cc: New test.
629 * include/bits/fs_dir.h (directory_iterator::operator*)
630 (directory_iterator::operator->): Add noexcept.
631 (operator==, operator!=): Replace namespace-scope equality operators
632 for directory iterators with hidden friends.
635 * config/abi/pre/gnu.ver: Add missing exports.
636 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
639 * config/abi/pre/gnu.ver: Export new symbols.
640 * include/bits/fs_dir.h (recursive_directory_iterator::options())
641 (recursive_directory_iterator::recursion_pending())
642 (recursive_directory_iterator::disable_recursion_pending()): Remove
643 inline definitions. Make noexcept.
644 (recursive_directory_iterator::depth())
645 (recursive_directory_iterator::operator*())
646 (recursive_directory_iterator::operator->()): Make noexcept.
647 (recursive_directory_iterator::_M_options)
648 (recursive_directory_iterator::_M_pending): Remove data members.
649 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
650 (recursive_directory_iterator::recursive_directory_iterator): Remove
651 ctor-initializer. Use new constructor for _Dir_stack.
652 (recursive_directory_iterator::options())
653 (recursive_directory_iterator::recursion_pending())
654 (recursive_directory_iterator::disable_recursion_pending()): Add
655 non-inline definitions.
656 (recursive_directory_iterator::depth()): Make noexcept.
657 (recursive_directory_iterator::increment(error_code&))
658 (recursive_directory_iterator::pop(error_code&)): Adjust to new
659 location of options and recursion_pending members.
660 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
661 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
662 user-declared move constructor and assignment operator, to make the
665 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
666 d_type == DT_UNKNOWN immediately.
667 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
669 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
671 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
673 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
674 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
677 PR libstdc++/87431 (again)
678 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
679 Define partial specialization for basic_string.
680 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
681 shared_ptr and weak_ptr.
682 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
684 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
686 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
688 * include/debug/vector (_Never_valueless_alt): Likewise for debug
690 * include/std/any (_Never_valueless_alt): Define explicit
691 specialization for any.
692 * include/std/variant (_Never_valueless_alt): Define primary template.
693 (__never_valueless): Use _Never_valueless_alt instead of
694 is_trivially_copyable.
695 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
696 initializations to avoid try-catch overhead. Add special case for
697 scalars produced by potentially-throwing conversions. Use
698 _Never_valueless_alt instead of is_trivially_copyable for the
699 remaining strong exception-safety cases.
700 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
701 * testsuite/20_util/variant/87431.cc: Run both test functions.
702 * testsuite/20_util/variant/exception_safety.cc: New test.
703 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
704 so the variant becomes valueless.
706 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
709 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
711 (variant::emplace<_Tp>): Return result of emplace<N> directly.
713 * include/std/string (__hash_string_base): New class template defining
714 operator() for hashing strings.
715 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
716 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
717 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
718 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
720 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
722 Use single-visitation in variant assignment and swap and relops.
723 Also use indices instead of types when checking whether
724 variants hold the same thing.
725 * include/std/variant (__do_visit): Add a template parameter
726 for index visitation, invoke with indices if index visitation
728 (__variant_idx_cookie): New.
729 (__visit_with_index): Likewise.
730 (_Copy_assign_base::operator=): Do single-visitation with
732 (_Move_assign_base::operator=): Likewise.
733 (_Extra_visit_slot_needed): Adjust.
734 (__visit_invoke): Call with indices if it's an index visitor.
735 (relops): Do single-visitation with an index visitor.
737 (__visitor_result_type): New.
739 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
741 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
743 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
745 Don't revisit a variant we are already visiting.
746 * include/std/variant (__variant_construct_single): New.
747 (__variant_construct): Use it.
748 (_M_destructive_move): Likewise.
749 (_M_destructive_copy): Likewise.
750 (_Copy_assign_base::operator=): Adjust.
751 (_Move_assign_base::operator=): Likewise.
754 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
757 * include/bits/hashtable.h (_Hashtable): Move static assertions to
758 destructor so they are not evaluated until the _Key type is complete.
759 * include/bits/stl_tree.h (_Rb_tree): Likewise.
760 * testsuite/23_containers/set/85965.cc: New test.
761 * testsuite/23_containers/unordered_set/85965.cc: New test.
762 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
763 with regexp matching the corresponding _Rb_tree specialization.
764 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
765 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
766 * testsuite/23_containers/set/48101_neg.cc: Likewise.
767 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
768 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
769 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
770 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
772 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
775 Fix based on a suggestion by Antony Polukhin.
776 * include/std/variant (__never_valueless): New.
778 (_Extra_visit_slot_needed): New.
779 (_Multi_array): Use it.
780 (_S_apply_all_alts): Likewise.
782 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
785 Fix based on a suggestion by Antony Polukhin.
786 * include/std/variant (__gen_vtable): Don't reserve an
787 additional table slot, _Multi_array already does that.
789 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
792 Fix based on a suggestion by Antony Polukhin.
793 * include/std/variant (__variant_construct): Capture a pointer
794 to the storage and visit just one variant.
796 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
798 * doc/xml/manual/backwards_compatibility.xml: Remove link to
799 Doxygen-generated pages with unstable URL.
800 * doc/xml/manual/concurrency_extensions.xml: Likewise.
801 * doc/xml/manual/extensions.xml: Likewise.
802 * doc/xml/manual/parallel_mode.xml: Likewise.
803 * doc/xml/manual/support.xml: Likewise.
805 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
806 avoid -Wconversion warnings.
808 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
810 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
811 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
812 (allstamped): Add stamp-pstl.
813 (install-headers): Add ptsl_builddir.
814 * include/Makefile.in: Regenerate.
815 * include/bits/c++config: Add pstl configuration.
816 * include/pstl/LICENSE.txt: New file.
817 * include/pstl/algorithm_fwd.h: New file.
818 * include/pstl/algorithm_impl.h: New file.
819 * include/pstl/execution_defs.h: New file.
820 * include/pstl/execution_impl.h: New file.
821 * include/pstl/glue_algorithm_defs.h: New file.
822 * include/pstl/glue_algorithm_impl.h: New file.
823 * include/pstl/glue_execution_defs.h: New file.
824 * include/pstl/glue_memory_defs.h: New file.
825 * include/pstl/glue_memory_impl.h: New file.
826 * include/pstl/glue_numeric_defs.h: New file.
827 * include/pstl/glue_numeric_impl.h: New file.
828 * include/pstl/memory_impl.h: New file.
829 * include/pstl/numeric_fwd.h: New file.
830 * include/pstl/numeric_impl.h: New file.
831 * include/pstl/parallel_backend.h: New file.
832 * include/pstl/parallel_backend_tbb.h: New file.
833 * include/pstl/parallel_backend_utils.h: New file.
834 * include/pstl/parallel_impl.h: New file.
835 * include/pstl/pstl_config.h: New file.
836 * include/pstl/unseq_backend_simd.h: New file.
837 * include/pstl/utils.h: New file.
838 * include/std/algorithm: Include parallel algorithm implementations.
839 * include/std/execution: New file.
840 * include/std/memory: Include parallel algorithm implementations.
841 * include/std/numeric: Include parallel algorithm implementations.
842 * include/std/version: Add parallel algorithms feature test macro.
843 * testsuite/util/pstl/pstl_test_config.h: New file.
844 * testsuite/util/pstl/test_utils.h: New file.
845 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
846 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
847 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
848 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
849 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
850 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
851 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
852 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
853 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
854 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
855 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
856 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
857 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
858 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
859 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
860 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
861 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
862 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
863 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
864 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
865 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
866 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
867 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
868 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
869 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
870 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
871 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
872 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
873 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
874 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
875 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
876 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
877 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
878 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
879 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
880 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
881 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
882 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
883 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
884 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
885 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
886 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
887 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
888 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
889 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
890 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
891 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
892 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
893 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
894 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
895 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
896 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
897 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
898 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
899 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
900 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
901 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
902 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
903 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
904 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
905 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
906 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
907 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
908 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
909 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
910 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
911 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
912 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
913 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
914 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
915 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
916 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
917 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
918 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
919 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
920 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
921 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
922 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
923 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
924 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
925 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
926 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
927 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
928 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
929 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
930 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
931 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
932 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
933 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
934 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
935 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
936 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
937 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
938 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
939 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
940 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
941 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
942 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
943 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
944 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
945 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
946 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
947 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
948 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
949 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
950 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
952 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
954 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
955 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
956 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
957 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
958 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
959 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
960 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
961 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
962 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
963 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
964 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
965 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
966 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
967 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
968 when the special functions IS is enabled, not for C++17.
969 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
971 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
972 without checks for special functions in C++17.
973 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
977 * include/backward/hash_map: Use <> for includes not "".
978 * include/backward/hash_set: Likewise.
979 * include/backward/strstream: Likewise.
980 * include/tr1/bessel_function.tcc: Likewise.
981 * include/tr1/exp_integral.tcc: Likewise.
982 * include/tr1/legendre_function.tcc: Likewise.
983 * include/tr1/modified_bessel_func.tcc: Likewise.
984 * include/tr1/riemann_zeta.tcc: Likewise.
986 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
988 * doc/xml/manual/allocator.xml: Link to table documenting evolution
989 of extension allocators.
990 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
991 Document new headers in 7.2, 8.1 and 9.1 releases.
992 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
993 * doc/html/*: Regenerate.
995 2019-03-12 John David Anglin <dave.anglin@bell.net>
998 * testsuite/lib/libstdc++.exp: Locate libatomic.
999 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
1000 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
1002 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1003 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
1004 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
1005 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
1007 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
1010 * configure.ac: Check for sockatmark.
1011 * crossconfig.m4: Check for sockatmark.
1012 * config.h.in: Regenerate.
1013 * configure: Regenerate.
1014 * include/experimental/internet (address_v4::_S_hton): Rename
1015 overloaded functions to _S_hton_16 and _S_ntoh_16.
1016 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
1017 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
1018 * include/experimental/socket (basic_socket::at_mark): Check
1019 _GLIBCXX_HAVE_SOCKATMARK.
1021 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
1022 const variables instead of macros.
1025 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
1026 Use correct type for len_aligned.
1027 * testsuite/20_util/hash/89629.cc: New test.
1029 2019-03-11 Jakub Jelinek <jakub@redhat.com>
1032 * include/std/atomic (atomic<T>::store, atomic<T>::load,
1033 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
1034 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
1035 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
1036 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
1037 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
1038 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
1039 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
1040 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
1041 memory_order_seq_cst to int.
1043 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
1045 * doc/xml/manual/using.xml: Use link element instead of xref.
1046 * doc/html/*: Regenerate.
1048 * include/bits/fs_path.h (path::format): Add fixed underlying type.
1050 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
1053 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
1054 parameters in deduction guides.
1055 * include/debug/multimap.h (multimap): Likewise.
1056 * include/debug/set.h (multimap): Likewise.
1057 * include/debug/multiset.h (multimap): Likewise.
1058 * include/debug/unordered_map (unordered_map): Likewise.
1059 (unordered_multimap): Likewise.
1060 * include/debug/unordered_set (unordered_set): Likewise.
1061 (unordered_multiset): Likewise.
1064 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
1065 Invalidate all iterators in case of rehash.
1066 (unordered_multimap<>::_M_check_rehashed): Likewise.
1067 * include/debug/unordered_set
1068 (unordered_set<>::_M_check_rehashed): Likewise.
1069 (unordered_multiset<>::_M_check_rehashed): Likewise.
1070 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
1072 2019-03-07 Andreas Schwab <schwab@suse.de>
1074 * config/abi/post/riscv64-linux-gnu: New directory.
1075 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
1077 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
1079 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
1080 compile test to run. Fix typo.
1082 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
1083 * doc/html/*: Regenerate.
1085 P0356R5 Simplified partial function application
1086 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
1087 helpers for bind_front.
1088 (bind_front, __cpp_lib_bind_front): Define.
1089 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
1091 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1093 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
1094 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
1095 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
1096 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1098 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
1100 PR libstdc++/86655 - std::assoc_legendre should not constrain
1101 the value of m (or x).
1102 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
1103 __sph_legendre): If degree > order Don't throw, return 0.
1104 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
1105 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
1106 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
1107 * testsuite/tr1/5_numerical_facilities/special_functions/
1108 02_assoc_legendre/pr86655.cc: New test.
1109 * testsuite/tr1/5_numerical_facilities/special_functions/
1110 22_sph_legendre/pr86655.cc: New test.
1112 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
1115 Also PR libstdc++/85517
1116 * include/std/variant (__do_visit): New.
1117 (__variant_cast): Likewise.
1118 (__variant_cookie): Likewise.
1119 (__erased_*): Remove.
1120 (_Variant_storage::_S_vtable): Likewise.
1121 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
1122 (_Variant_storage::__M_reset): Adjust.
1123 (__variant_construct): New.
1124 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
1125 __variant_construct.
1126 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
1127 (_Move_ctor_base::__M_destructive_copy): New.
1128 (_Move_ctor_base::__M_destructive_move): Adjust to use
1129 __variant_construct.
1130 (_Copy_assign_base::operator=): Adjust to use __do_visit.
1131 (_Copy_assign_alias): Adjust to check both copy assignment
1132 and copy construction for triviality.
1133 (_Move_assign_base::operator=): Adjust to use __do_visit.
1134 (_Multi_array): Add support for visitors that accept and return
1136 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
1137 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
1138 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
1139 a __variant_cookie temporary for a variant that is valueless and..
1140 (__gen_vtable_impl::__visit_invoke): ..adjust here.
1141 (__gen_vtable::_Array_type): Conditionally make space for
1142 the __variant_cookie visitor case.
1143 (__variant_construct_by_index): New.
1144 (get_if): Adjust to use std::addressof.
1145 (relops): Adjust to use __do_visit.
1146 (variant): Add __variant_cast and __variant_construct_by_index
1148 (variant::emplace): Use _M_reset() and __variant_construct_by_index
1149 instead of self-destruction.
1150 (variant::swap): Adjust to use __do_visit.
1151 (visit): Reimplement in terms of __do_visit.
1152 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
1153 * testsuite/20_util/variant/compile.cc: Adjust.
1154 * testsuite/20_util/variant/run.cc: Likewise.
1156 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1158 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
1160 * testsuite/experimental/feat-char8_t.cc: Likewise.
1162 * include/std/type_traits [C++20] (is_bounded_array)
1163 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
1165 * testsuite/20_util/is_bounded_array/requirements/
1166 explicit_instantiation.cc: New test.
1167 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
1169 * testsuite/20_util/is_bounded_array/value.cc: New test.
1170 * testsuite/20_util/is_unbounded_array/requirements/
1171 explicit_instantiation.cc: New test.
1172 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
1174 * testsuite/20_util/is_unbounded_array/value.cc: New test.
1176 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
1178 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
1180 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
1182 * include/c_compatibility/math.h [C++20] (lerp): Add using
1184 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
1185 (__lerp): Define function template to implement lerp.
1186 (lerp(float, float, float), lerp(double, double, double))
1187 (lerp(long double, long double, long double)): Define for C++20.
1188 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
1189 (midpoint(T, T), midpoint(T*, T*)): Define.
1190 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
1191 * testsuite/26_numerics/lerp.cc: New test.
1192 * testsuite/26_numerics/midpoint/floating.cc: New test.
1193 * testsuite/26_numerics/midpoint/integral.cc: New test.
1194 * testsuite/26_numerics/midpoint/pointer.cc: New test.
1196 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
1198 PR libstdc++/88996 Implement P0439R0
1199 Make std::memory_order a scoped enumeration.
1200 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
1201 add variables for the old enumerators. Adjust calls.
1202 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
1203 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
1205 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
1207 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
1210 * include/std/memory_resource (polymorphic_allocator): Add default
1211 template argument for C++20.
1212 (polymorphic_allocator::allocate_bytes)
1213 (polymorphic_allocator::deallocate_bytes)
1214 (polymorphic_allocator::allocate_object)
1215 (polymorphic_allocator::deallocate_object)
1216 (polymorphic_allocator::new_object)
1217 (polymorphic_allocator::delete_object): New member functions for
1219 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
1222 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
1225 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
1228 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
1230 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
1231 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
1233 * include/std/memory (uses_allocator_construction_args): New set of
1234 overloaded functions.
1235 (make_obj_using_allocator, uninitialized_construct_using_allocator):
1237 * include/std/memory_resource (polymorphic_allocator::construct)
1238 [__cplusplus > 201703l]: Replace all overloads with a single function
1239 using uses_allocator_construction_args.
1240 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
1242 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
1244 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
1247 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
1248 stylesheet directories before check for xsltproc. Try to use
1249 xmlcatalog to find local stylesheet directory before trying hardcoded
1250 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
1251 check to look for the same stylesheet as doc/Makefile.am uses. Don't
1252 use xsltproc if xmlcatalog fails to find a local stylesheet.
1253 * configure.ac: Check for xmlcatalog.
1254 * Makefile.in: Regenerate.
1255 * configure: Likewise.
1256 * doc/Makefile.in: Likewise.
1257 * include/Makefile.in: Likewise.
1258 * libsupc++/Makefile.in: Likewise.
1259 * po/Makefile.in: Likewise.
1260 * python/Makefile.in: Likewise.
1261 * src/Makefile.in: Likewise.
1262 * src/c++11/Makefile.in: Likewise.
1263 * src/c++17/Makefile.in: Likewise.
1264 * src/c++98/Makefile.in: Likewise.
1265 * src/filesystem/Makefile.in: Likewise.
1266 * testsuite/Makefile.in: Likewise.
1268 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
1271 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
1272 container deduction guides.
1273 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
1274 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
1275 parameters in deduction guides.
1276 * include/bits/stl_multimap.h (multimap): Likewise.
1277 * include/bits/stl_multiset.h (multiset): Likewise.
1278 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
1279 * include/bits/stl_set.h (set): Likewise.
1280 * include/bits/stl_stack.h (stack): Likewise.
1281 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
1282 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
1283 constrain parameters in deduction guides.
1284 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
1286 * testsuite/23_containers/map/cons/deduction.cc: Test additional
1288 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
1289 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
1290 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
1291 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
1293 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
1295 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
1298 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
1299 to class template and partial specialization using void_t.
1300 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1302 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
1305 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
1306 copy and move members public.
1308 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
1310 * include/std/type_traits (__underlying_type_impl): New helper to
1311 make underlying_type SFINAE-friendly.
1312 (underlying_type): Derive from __underlying_type_impl.
1313 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
1317 * include/bits/char_traits.h (__constant_char_array): Check index is
1318 in range before dereferencing.
1319 (char_traits<char>::compare, char_traits<char>::find)
1320 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
1321 immediately if n is zero.
1322 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
1323 Remove workarounds for PR 67026.
1324 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
1326 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
1329 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1331 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
1332 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
1334 2019-02-22 Jakub Jelinek <jakub@redhat.com>
1337 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
1338 type to std::size_t and argument to type to long double.
1340 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1342 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
1343 * config/abi/post/sparc64-linux-gnu: New directory.
1344 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
1345 * config/abi/post/sparc64-linux-gnu/32: New directory.
1346 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
1348 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1350 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
1351 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
1354 2019-02-22 Tom Honermann <tom@honermann.net>
1356 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
1357 printers for u8string and u8string_view.
1359 2019-02-22 Tom Honermann <tom@honermann.net>
1361 * testsuite/18_support/byte/ops.cc: Validate
1362 std::to_integer<char8_t>, std::to_integer<char16_t>, and
1363 std::to_integer<char32_t>.
1364 * testsuite/18_support/numeric_limits/dr559.cc: Validate
1365 std::numeric_limits<char8_t>.
1366 * testsuite/18_support/numeric_limits/lowest.cc: Validate
1367 std::numeric_limits<char8_t>::lowest().
1368 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
1369 std::numeric_limits<char8_t>::max_digits10.
1370 * testsuite/18_support/type_info/fundamental.cc: Validate
1371 typeinfo for char8_t.
1372 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
1373 std::from_chars with char8_t.
1374 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
1375 Validate explicit instantiation of std::hash<char8_t>.
1376 * testsuite/20_util/is_integral/value.cc: Validate
1377 std::is_integral<char8_t>.
1378 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
1379 Validate std::make_signed<char8_t>.
1380 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
1381 Validate u8string construction from char8_t sources.
1382 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
1384 * testsuite/21_strings/basic_string_view/operations/compare/
1385 char/70483.cc: Validate substr operations on u8string_view.
1386 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
1387 the u8string_view typedef is defined.
1388 * testsuite/21_strings/char_traits/requirements/
1389 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
1391 * testsuite/21_strings/char_traits/requirements/
1392 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
1393 constexpr member functions.
1394 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
1395 that the u8string typedef is defined.
1396 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
1397 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
1398 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
1399 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
1401 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
1402 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
1404 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
1405 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
1406 Validate std::atomic<char8_t>::is_always_lock_free
1407 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
1408 Update line numbers.
1409 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
1411 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
1413 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1414 Validate std::experimental::pmr::u8string.
1415 * testsuite/experimental/string_view/typedefs.cc: Validate that the
1416 u8string_view typedef is defined.
1417 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
1418 char32_t to the typelists.
1420 2019-02-22 Tom Honermann <tom@honermann.net>
1422 * include/ext/typelist.h: Constrain a partial specialization of
1423 typelist::detail::append_ to only match chain<T1,T2>.
1425 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1428 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
1429 class template with class. Replace move and copy member types with
1430 member alias templates, so they are only instantiated when needed.
1431 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1432 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
1433 test for C++11/14/17 as well.
1434 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
1437 2019-02-20 Jakub Jelinek <jakub@redhat.com>
1440 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
1441 _GLIBCXX_PURE to the alias declaration.
1443 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
1445 * testsuite/21_strings/basic_string/literals/types.cc
1446 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
1447 * testsuite/21_strings/basic_string/literals/values.cc
1448 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1449 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
1450 potentially having different type.
1451 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1452 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
1454 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
1455 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1456 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
1457 string literals only using basic character set.
1458 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
1459 u8 literals to char.
1460 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
1461 Test ATOMIC_CHAR8_T_LOCK_FREE.
1462 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
1463 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
1464 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
1465 * testsuite/experimental/string_view/literals/types.cc
1466 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
1468 * testsuite/experimental/string_view/literals/values.cc
1469 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1471 2019-02-19 Tom Honermann <tom@honermann.net>
1473 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
1474 from char16_32_t.cc; validates numeric_limits<char8_t>.
1475 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
1476 test cloned from types.cc; validates operator""s for char8_t
1478 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
1479 test cloned from values.cc; validates construction and comparison
1481 * testsuite/21_strings/basic_string/requirements/
1482 /explicit_instantiation/char8_t/1.cc: New test cloned from
1483 char16_t/1.cc; validates explicit instantiation of
1484 basic_string<char8_t>.
1485 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
1486 New test cloned from types.cc; validates operator""sv for char8_t
1487 returns u8string_view.
1488 * testsuite/21_strings/basic_string_view/literals/
1489 values-char8_t.cc: New test cloned from values.cc; validates
1490 construction and comparison of u8string_view values.
1491 * testsuite/21_strings/basic_string_view/requirements/
1492 explicit_instantiation/char8_t/1.cc: New test cloned from
1493 char16_t/1.cc; validates explicit instantiation of
1494 basic_string_view<char8_t>.
1495 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
1496 New test cloned from char16_t/65049.cc; validates that
1497 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
1498 * testsuite/21_strings/char_traits/requirements/char8_t/
1499 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
1500 that char_traits<char8_t> member typedefs are present and correct.
1501 * testsuite/21_strings/char_traits/requirements/
1502 explicit_instantiation/char8_t/1.cc: New test cloned from
1503 char16_t/1.cc; validates explicit instantiation of
1504 char_traits<char8_t>.
1505 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
1506 from char16_t.cc: validates
1507 codecvt<char16_t, char8_t, mbstate_t>.
1508 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
1509 from char32_t.cc: validates
1510 codecvt<char32_t, char8_t, mbstate_t>.
1511 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
1512 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
1513 codecvt<char32_t, char8_t, std::mbstate_t>.
1514 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
1515 test cloned from string.cc; validates filesystem::path construction
1517 * testsuite/experimental/feat-char8_t.cc: New test; validates that
1518 the __cpp_lib_char8_t feature test macro is defined with the
1520 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
1521 New test cloned from string.cc; validates filesystem::path
1522 construction from char8_t input.
1523 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
1524 test cloned from types.cc; validates operator""sv for char8_t
1525 returns u8string_view.
1526 * testsuite/experimental/string_view/literals/values-char8_t.cc:
1527 New test cloned from values.cc; validates construction and
1528 comparison of u8string_view values.
1529 * testsuite/experimental/string_view/requirements/
1530 explicit_instantiation/char8_t/1.cc: New test cloned from
1531 char16_t/1.cc; validates explicit instantiation of
1532 basic_string_view<char8_t>.
1533 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
1534 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
1537 2019-02-19 Tom Honermann <tom@honermann.net>
1539 P0482R5 char8_t: Standard library support
1540 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
1541 typeinfo symbols for char8_t.
1542 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
1543 (GLIBCXX_3.4.26): Add symbols for specializations of
1544 numeric_limits and codecvt that involve char8_t.
1545 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
1546 * include/bits/atomic_base.h: Add atomic_char8_t.
1547 * include/bits/basic_string.h: Add std::hash<u8string> and
1548 operator""s(const char8_t*, size_t).
1549 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
1551 * include/bits/char_traits.h: Add char_traits<char8_t>.
1552 * include/bits/codecvt.h: Add
1553 codecvt<char16_t, char8_t, mbstate_t>,
1554 codecvt<char32_t, char8_t, mbstate_t>,
1555 codecvt_byname<char16_t, char8_t, mbstate_t>, and
1556 codecvt_byname<char32_t, char8_t, mbstate_t>.
1557 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
1558 recognize char8_t as an integral type.
1559 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
1561 (path::u8string): Return std::u8string when char8_t support is
1563 (path::generic_u8string): Likewise.
1564 (path::_S_convert): Handle conversion from char8_t input.
1565 (path::_S_str_convert): Likewise.
1566 * include/bits/functional_hash.h: Add hash<char8_t>.
1567 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
1569 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
1570 for new char8_t specializations.
1571 * include/bits/localefwd.h: Add missing declarations of
1572 codecvt<char16_t, char, mbstate_t> and
1573 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
1574 codecvt<char16_t, char8_t, mbstate_t> and
1575 codecvt<char32_t, char8_t, mbstate_t>.
1576 * include/bits/postypes.h: Add u8streampos
1577 * include/bits/stringfwd.h: Add declarations of
1578 char_traits<char8_t> and u8string.
1579 * include/c_global/cstddef: Add __byte_operand<char8_t>.
1580 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
1582 (path::u8string): Return std::u8string when char8_t support is
1584 (path::generic_u8string): Likewise.
1585 (path::_S_convert): Handle conversion from char8_t input.
1586 (path::_S_str_convert): Likewise.
1587 * include/experimental/string: Add u8string.
1588 * include/experimental/string_view: Add u8string_view,
1589 hash<experimental::u8string_view>, and
1590 operator""sv(const char8_t*, size_t).
1591 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
1592 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
1593 as a character type.
1594 * include/std/limits: Add numeric_limits<char8_t>.
1595 * include/std/string_view: Add u8string_view,
1596 hash<experimental::u8string_view>, and
1597 operator""sv(const char8_t*, size_t).
1598 * include/std/type_traits: Add __is_integral_helper<char8_t>,
1599 __make_unsigned<char8_t>, and __make_signed<char8_t>.
1600 * libsupc++/atomic_lockfree_defines.h: Define
1601 ATOMIC_CHAR8_T_LOCK_FREE.
1602 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
1603 codecvt.cc and limits.cc so that char8_t specializations of
1604 numeric_limits and codecvt and emitted.
1605 * src/c++11/Makefile.in: Likewise.
1606 * src/c++11/codecvt.cc: Define members of
1607 codecvt<char16_t, char8_t, mbstate_t>,
1608 codecvt<char32_t, char8_t, mbstate_t>,
1609 codecvt_byname<char16_t, char8_t, mbstate_t>, and
1610 codecvt_byname<char32_t, char8_t, mbstate_t>.
1611 * src/c++11/limits.cc: Define members of
1612 numeric_limits<char8_t>.
1613 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
1614 locale_init.cc and localename.cc.
1615 * src/c++98/Makefile.in: Likewise.
1616 * src/c++98/locale_init.cc: Add initialization for the
1617 codecvt<char16_t, char8_t, mbstate_t> and
1618 codecvt<char32_t, char8_t, mbstate_t> facets.
1619 * src/c++98/localename.cc: Likewise.
1620 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
1622 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
1624 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
1625 * 27_io/filesystem/operations/resize_file.cc: Likewise.
1626 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
1628 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
1630 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
1631 * doc/html/*: Regenerate.
1633 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
1634 * doc/html/*: Regenerate.
1636 * doc/xml/manual/intro.xml: Document LWG 2586 status.
1637 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
1638 allocator type in is_constructible checks.
1639 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
1640 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
1641 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
1642 problematic type from LWG 2586 discussion.
1643 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
1644 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1646 * configure.ac: Check for C11 timespec_get function.
1647 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
1649 * config.h.in: Regenerate.
1650 * configure: Regenerate.
1651 * include/c_global/ctime (timespec, timespec_get): Add to namespace
1652 std for C++17 and up.
1654 * doc/xml/manual/intro.xml: Document LWG 2537 status.
1655 * include/bits/stl_queue.h
1656 (priority_queue(const Compare&, const Container&, const Alloc&))
1657 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
1659 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
1661 * doc/xml/manual/intro.xml: Document LWG 2566 status.
1662 * include/bits/stl_queue.h (queue, priority_queue): Add static
1663 assertions to enforce LWG 2566 requirement on value_type.
1664 * include/bits/stl_stack.h (stack): Likewise.
1667 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
1669 * doc/xml/manual/intro.xml: Document LWG 2735 status.
1670 * include/bits/std_abs.h: Add comment about LWG 2735.
1671 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
1673 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
1676 * include/std/version [__cpp_impl_destroying_delete]
1677 (__cpp_lib_destroying_delete): Only define for C++2a and later.
1678 * libsupc++/new [__cpp_impl_destroying_delete]
1679 (__cpp_lib_destroying_delete): Likewise.
1680 (destroying_delete_t, destroying_delete): Likewise, but define even
1681 when __cpp_impl_destroying_delete is not defined.
1682 * testsuite/18_support/destroying_delete.cc: New test.
1684 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
1687 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
1688 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
1689 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
1690 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
1692 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
1695 * include/bits/fs_path.h (path::has_root_name)
1696 (path::has_root_directory, path::has_root_path)
1697 (path::has_relative_path, path::has_parent_path)
1698 (path::has_filename, path::has_stem, path::has_extension)
1699 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
1701 * src/c++17/fs_path.cc (path::has_root_name)
1702 (path::has_root_directory, path::has_root_path)
1703 (path::has_relative_path, path::has_parent_path)
1704 (path::has_filename, path::_M_find_extension): Add noexcept.
1706 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
1708 PR libstdc++/89102 (partial)
1709 * include/std/type_traits (common_type<>): Define.
1710 (common_type<T>): Derive from common_type<T, T>.
1711 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
1712 Test zero-length template argument list.
1713 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
1714 Test additional single argument cases.
1715 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
1716 Adjust expected error.
1718 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
1721 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
1723 * include/bits/stl_stack.h (stack): Likewise.
1724 * testsuite/23_containers/priority_queue/deduction.cc: New test.
1725 * testsuite/23_containers/queue/deduction.cc: New test.
1726 * testsuite/23_containers/stack/deduction.cc: New test.
1729 * include/std/type_traits (__is_convertible_helper)
1730 (__is_convertible_helper<_From, _To, false>): Revert changes to
1731 support is_nothrow_convertible.
1732 (__is_nt_convertible_helper): New helper.
1733 (is_nothrow_convertible): Use __is_nt_convertible_helper.
1735 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
1736 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
1739 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
1740 __is_alloc_insertable_impl. Replace single type member with two
1741 members, one for each of copy and move insertable.
1742 (__is_move_insertable): New trait for internal use.
1743 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
1744 (vector::_S_nothrow_relocate(true_type)): New functions to
1745 conditionally check if __relocate_a can throw.
1746 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
1747 on __is_move_insertable.
1748 (vector::_S_do_relocate): New overloaded functions to conditionally
1750 (vector::_S_relocate): New function that dispatches to _S_do_relocate
1751 based on _S_use_relocate.
1752 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1753 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
1754 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
1757 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
1758 parameter unnamed. Add message to static assertion.
1759 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1760 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
1763 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
1766 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
1768 (__is_bitwise_relocatable): ... to this.
1769 (__relocate_a_1): Adapt.
1770 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
1771 (__is_bitwise_relocatable): ... to this.
1773 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
1776 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
1777 final component as well as from _M_pathname. Append the dot using
1778 operator+= instead of only to _M_pathname.
1779 (path::_M_find_extension): Reformat slightly.
1780 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
1781 Add more test cases.
1783 2019-01-30 Ulrich Drepper <drepper@redhat.com>
1785 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
1787 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
1789 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
1790 constexpr specifiers from arg and proj.
1792 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
1793 __shared_ptr instantiations used by gcc4-compatible ABI.
1795 * include/experimental/forward_list (experimental::erase): Qualify
1797 * include/experimental/list (experimental::erase): Likewise.
1798 * include/std/forward_list (std::erase): Likewise.
1799 * include/std/list (std::erase): Likewise.
1801 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
1803 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
1804 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
1805 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
1806 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
1807 * testsuite/ext/array_allocator/26875.cc: Likewise.
1808 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
1809 * testsuite/util/replacement_memory_operators.h: Likewise.
1810 * testsuite/util/testsuite_allocator.h: Likewise.
1812 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
1813 normal mode vector, even for debug mode.
1814 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
1815 Define alias template for normal mode vector.
1817 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
1820 * config/locale/generic/c_locale.h (__convert_from_v)
1821 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
1822 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
1823 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
1824 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
1826 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
1829 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
1830 data member with static member function _S_use_relocate().
1831 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1832 (vector::_M_default_append): Use _S_use_relocate() instead of
1835 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
1838 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
1841 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
1842 write to stderr instead of using printf.
1844 2019-01-21 Jakub Jelinek <jakub@redhat.com>
1847 * include/bits/char_traits.h (__constant_string_p,
1848 __constant_char_array_p): Use __builtin_is_constant_evaluated if
1851 2019-01-20 Ulrich Drepper <drepper@redhat.com>
1853 Implement C++20 P0600r1.
1854 * include/backward/hash_map: Add nodiscard attribute to empty.
1855 * include/backward/hash_set: Likewise.
1856 * backward/hashtable.h: Likewise.
1857 * include/bits/basic_string.h: Likewise.
1858 * include/bits/forward_list.h: Likewise.
1859 * include/bits/hashtable.h: Likewise.
1860 * include/bits/regex.h: Likewise.
1861 * include/bits/stl_deque.h: Likewise.
1862 * include/bits/stl_list.h: Likewise.
1863 * include/bits/stl_map.h: Likewise.
1864 * include/bits/stl_multimap.h: Likewise.
1865 * include/bits/stl_multiset.h: Likewise.
1866 * include/bits/stl_queue.h: Likewise.
1867 * include/bits/stl_set.h: Likewise.
1868 * include/bits/stl_stack.h: Likewise.
1869 * include/bits/stl_tree.h: Likewise.
1870 * include/bits/stl_vector.h: Likewise.
1871 * include/bits/unordered_map.h: Likewise.
1872 * include/bits/unordered_set.h: Likewise.
1873 * include/debug/array: Likewise.
1874 * include/experimental/any: Likewise.
1875 * include/experimental/bits/fs_path.h: Likewise.
1876 * include/experimental/internet: Likewise.
1877 * include/experimental/string_view: Likewise.
1878 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
1880 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
1882 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
1884 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
1886 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
1888 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
1890 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
1892 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
1894 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
1895 info_fn_imps.hpp: Likewise.
1896 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
1897 left_child_next_sibling_heap_.hpp: Likewise.
1898 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
1900 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
1902 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
1904 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
1906 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
1908 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
1910 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
1912 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
1913 * include/ext/pb_ds/trie_policy.hpp: Likewise.
1914 * include/ext/rope: Likewise.
1915 * include/ext/slist: Likewise.
1916 * include/ext/vstring.h: Likewise.
1917 * include/profile/array: Likewise.
1918 * include/std/array: Likewise.
1919 * include/tr1/array: Likewise.
1920 * include/tr1/hashtable.h: Likewise.
1921 * include/tr1/regex: Likewise.
1922 * include/tr2/dynamic_bitset: Likewise.
1923 * include/bits/alloc_traits.h: Add nodiscard attribute to
1925 * include/experimental/memory_resource: Likewise.
1926 * include/ext/alloc_traits.h: Likewise.
1927 * include/ext/array_allocator.h: Likewise.
1928 * include/ext/bitmap_allocator.h: Likewise.
1929 * include/ext/debug_allocator.h: Likewise.
1930 * include/ext/extptr_allocator.h: Likewise.
1931 * include/ext/mt_allocator.h: Likewise.
1932 * include/ext/new_allocator.h: Likewise.
1933 * include/ext/pool_allocator.h: Likewise.
1934 * include/ext/throw_allocator.h: Likewise.
1935 * include/std/scoped_allocator: Likewise.
1936 * libsupc++/eh_alloc.cc: Likewise.
1937 * include/std/future: Add nodiscard attribute to async.
1938 * libsupc++/new: Add nodiscard attribute to new.
1940 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
1945 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
1946 * include/bits/shared_ptr.h
1947 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
1948 (allocate_shared): Change to use new tag type.
1949 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
1950 Declare new member function.
1951 (_Sp_alloc_shared_tag): Define new type.
1952 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
1953 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
1954 _Sp_make_shared_tag::_S_eq to check type_info.
1955 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
1956 Constrain to prevent being called with _Sp_alloc_shared_tag.
1957 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
1958 Replace constructor with ...
1959 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
1960 reference parameter so address of the new object can be returned to
1961 the caller. Obtain the allocator from the tag type.
1962 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
1963 constructor with ...
1964 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
1965 to the __shared_count constructor.
1966 (__allocate_shared): Change to use new tag type.
1967 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
1969 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
1971 * src/c++17/fs_ops.cc
1972 (equivalent(const path&, const path&, error_code&))
1973 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
1974 compare files instead of relying on incomplete info returned by stat.
1977 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
1978 if the path is already absolute.
1979 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
1980 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
1983 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
1984 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
1985 of filesystem::exists.
1986 (create_directories(const path&, error_code&)): Add assertions.
1987 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1988 Add workaround for bug in _wstat for paths with trailing slash.
1989 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
1990 for expected behaviour on mingw.
1991 * testsuite/experimental/filesystem/operations/create_directories.cc:
1993 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
1994 "TMP" instead of "TMPDIR" and clean environment before each test. Do
1995 not test permissions on mingw targets.
1997 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
1999 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
2000 constructors and open members taking wide strings. Fix patterns for
2001 filesystem::path members to match wstring_view parameters. Add
2002 exports for shared_ptr members used by directory iterators.
2003 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
2004 error code parameter if the file doesn't exist.
2005 * src/filesystem/ops.cc (remove(const path&, error_code&)):
2007 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
2008 values for mingw targets, where "/" is not an absolute path. Do not
2009 test symlinks on mingw targets.
2010 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
2011 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
2013 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
2014 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
2015 that each component of the path is created.
2016 * testsuite/experimental/filesystem/operations/create_directories.cc:
2018 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
2019 permissions on mingw targets.
2020 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
2021 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2022 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
2023 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
2025 * testsuite/experimental/filesystem/operations/permissions.cc:
2027 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
2028 symlinks or permissions on mingw targets.
2029 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
2030 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
2031 symlinks on mingw targets.
2032 * testsuite/experimental/filesystem/operations/remove_all.cc:
2034 * testsuite/27_io/filesystem/operations/status.cc: Do not test
2035 permissions on mingw targets.
2036 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
2037 test symlinks on mingw targets.
2038 * testsuite/experimental/filesystem/operations/space.cc: Fix test
2041 2019-02-14 Ulrich Drepper <drepper@redhat.com>
2044 Warn about unused comparisons of shared_ptr/unique_ptr
2045 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
2046 * include/bits/shared_ptr.h: Use it for operator ==, !=,
2047 <, <=, >, >= for shared_ptr.
2048 * include/bits/unique_ptr.h: Likewise for unique_ptr.
2050 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
2052 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
2053 as 201611L, because P0497R0 changes are supported.
2054 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
2056 * include/bits/erase_if.h [__cplusplus > 201703L]
2057 (__cpp_lib_erase_if): Only define for C++2a.
2058 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2059 (__cpp_lib_null_iterators): Define.
2060 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2061 (__cpp_lib_null_iterators): Define.
2062 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
2064 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
2066 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
2068 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
2069 changes are supported.
2070 * include/std/optional (__cpp_lib_optional): Likewise.
2071 * include/std/variant (__cpp_lib_variant): Likewise.
2072 * include/std/version [!__STRICT_ANSI__]
2073 (__cpp_lib_uncaught_exceptions): Define as long integer.
2074 [__cplusplus >= 201703L] (__cpp_lib_any)
2075 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
2076 (__cpp_lib_variant): Define for C++17.
2077 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
2079 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
2082 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
2084 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
2088 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
2090 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
2093 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2095 * doc/xml/manual/intro.xml: Include new section.
2096 * doc/xml/manual/status_cxx2017.xml: Document more
2097 implementation-defined properties of the library.
2098 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
2099 * doc/html/*: Regenerate.
2101 * include/bits/refwrap.h [__cplusplus > 201703L]
2102 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
2103 (_Reference_wrapper_base_memfun): Do not define for C++2a.
2104 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
2106 (reference_wrapper::operator()): Add static assertion.
2107 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
2109 * include/std/chrono (duration_values::zero(), duration_values::min())
2110 (duration_values::max()): Add noexcept.
2111 (duration::zero(), duration::min(), duration::max()): Likewise.
2112 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
2113 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
2114 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
2116 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
2118 2019-01-11 Jakub Jelinek <jakub@redhat.com>
2120 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
2121 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
2123 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2126 * include/bits/functional_hash.h (hash<nullptr_t>): Define
2127 specialization for C++17 (P0513R0, LWG 2817).
2128 * testsuite/20_util/hash/nullptr.cc: New test.
2131 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
2132 pattern for std::basic_stringbuf::str().
2134 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
2135 basic_ostream::operator<< patterns.
2137 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2139 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
2140 test failures on targets with 32-bit time_t.
2142 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
2143 * include/std/deque: Likewise.
2144 * include/std/forward_list: Likewise.
2145 * include/std/list: Likewise.
2146 * include/std/string: Likewise.
2147 * include/std/vector: Likewise.
2148 * include/std/version: Likewise.
2149 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
2150 * testsuite/23_containers/deque/erasure.cc: Likewise.
2151 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
2152 * testsuite/23_containers/list/erasure.cc: Likewise.
2153 * testsuite/23_containers/map/erasure.cc: Likewise.
2154 * testsuite/23_containers/set/erasure.cc: Likewise.
2155 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2156 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
2157 * testsuite/23_containers/vector/erasure.cc: Likewise.
2159 * include/experimental/internet [AI_NUMERICSERV]
2160 (resolver_base::numeric_service): Define conditionally.
2161 * testsuite/experimental/net/internet/resolver/base.cc: Test it
2163 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
2166 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
2167 Jonathan Wakely <jwakely@redhat.com>
2170 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
2171 (GLIBCXX_3.4.26): Add new exports.
2172 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
2173 correct list of sources.
2174 * include/Makefile.in: Regenerate.
2175 * include/std/ostream (operator<<(nullptr_t)): New member function.
2176 * src/c++17/ostream-inst.cc: New file.
2177 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
2180 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2182 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
2183 of the source file containing the caller.
2184 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
2185 directories created by test.
2186 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2188 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
2190 * testsuite/experimental/filesystem/iterators/
2191 recursive_directory_iterator.cc: Likewise.
2193 2019-01-10 Jakub Jelinek <jakub@redhat.com>
2195 PR tree-optimization/88775
2196 * include/bits/stl_function.h (greater<_Tp*>::operator(),
2197 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
2198 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
2199 instead of __builtin_constant_p if available. Don't bother with
2200 the pointer comparison in C++11 and earlier.
2202 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
2206 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
2209 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
2211 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
2212 for filesystem::path. Give variables more distinctive names.
2214 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
2215 member function to perform non-trivial assignment.
2216 (_Optional_payload_base::_M_move_assign): Likewise.
2217 (_Optional_payload<T, true, false, true>::operator=)
2218 (_Optional_payload<T, true, true, false>::operator=)
2219 (_Optional_payload<T, true, false, false>::operator=): Call
2220 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
2223 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
2224 test std::complex<long double> if long double format is IBM128.
2225 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
2228 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2230 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
2231 for old std::unique_ptr layout.
2232 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
2233 to become valueless. Add filesystem::path tests.
2236 * include/std/optional (_Optional_payload_base): New class template
2237 for common code hoisted from _Optional_payload specializations. Use
2238 a template for the union, to allow a partial specialization for
2239 types with non-trivial destructors. Add constructors for in-place
2240 initialization to the union.
2241 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
2242 to perform non-trivial copy construction, instead of relying on
2243 non-standard copy elision in a delegating constructor.
2244 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
2245 non-trivial move construction.
2246 (_Optional_payload): Derive from _Optional_payload_base and use it
2247 for everything except the non-trivial assignment operators, which are
2249 (_Optional_payload<false, C, M>): Derive from the specialization
2250 _Optional_payload<true, false, false> and add a destructor.
2251 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
2252 Forward to corresponding members of _Optional_payload.
2253 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
2254 Hoist common members from _Optional_base.
2255 (_Optional_base): Make all members and base class public.
2256 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
2257 _Optional_base_impl.
2258 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
2259 support for new std::optional layout.
2260 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
2263 * include/bits/locale_conv.h: Use <> for includes not "".
2264 * include/ext/random: Likewise.
2265 * include/ext/vstring.h: Likewise.
2267 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2269 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
2270 (GLIBCXX_3.4.21): Likewise.
2272 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2275 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
2276 to match the one that controls whether utimbuf and utime are declared.
2278 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
2281 * include/bits/char_traits.h (char_traits::move): Do not pass null
2282 pointers to memmove.
2283 * include/bits/locale_facets.h
2284 (ctype<char>::widen(const char*, const char*, char*)): Do not
2285 pass null pointers to memcpy.
2286 (ctype<char>::narrow(const char*, const char*, char, char*)):
2288 (ctype<char>::do_widen(const char*, const char*, char*)):
2290 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
2293 * doc/xml/manual/spine.xml: Update copyright years.
2294 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
2295 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
2296 for C++17 filesystem library.
2297 * doc/html/*: Regenerate.
2299 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
2300 * config.h.in: Regenerate.
2301 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
2302 alphabetically and add missing entries for copy_symlink,
2303 hard_link_count, rename, and resize_file.
2304 * configure: Regenerate.
2305 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
2306 used unconditionally.
2307 * src/filesystem/ops-common.h (__gnu_posix::truncate)
2308 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
2309 supports truncating to zero length.
2310 * testsuite/27_io/filesystem/operations/all.cc: New test.
2311 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
2313 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
2316 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
2317 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
2318 * config.h.in: Regenerate.
2319 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
2320 remaining std::filesystem types and functions.
2321 * configure: Regenerate.
2322 * src/c++17/Makefile.am: Add C++17 filesystem sources.
2323 * src/c++17/Makefile.in: Regenerate.
2324 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
2325 here, and change name of included file.
2326 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
2327 here, and change name of included file.
2328 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
2329 path to dir-common.h.
2330 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
2331 path to ops-common.h. Disable -Wunused-parameter warnings.
2332 (internal_file_clock): Define unconditionally.
2333 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
2335 (do_copy_file, do_space): Move definitions to ops.common.h.
2336 (copy, file_size, hard_link_count, last_write_time, space): Only
2337 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
2339 (last_write_time, read_symlink): Remove unused attributes from
2341 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
2342 * src/filesystem/Makefile.in: Regenerate.
2343 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
2344 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
2345 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
2346 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
2347 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
2348 dummy types and functions instead of using #error.
2349 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
2350 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
2352 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
2353 (do_copy_file, do_space): Move definitions here from std-ops.cc.
2354 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
2355 to account for new namespace.
2356 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
2357 -lstdc++fs from dg-options.
2358 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
2359 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
2360 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
2361 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
2362 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
2364 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
2365 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2367 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
2368 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
2369 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
2370 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
2371 * testsuite/27_io/filesystem/operations/create_directories.cc:
2373 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
2374 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
2375 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
2376 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
2377 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
2378 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
2379 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2380 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
2381 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
2382 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
2383 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
2384 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
2385 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
2386 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
2387 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
2388 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2389 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2390 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
2392 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
2396 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
2397 typeinfo and vtables less greedy.
2398 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
2399 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
2400 * src/c++17/Makefile.in: Regenerate.
2401 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
2402 here, and change name of included file.
2403 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
2404 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
2406 * src/filesystem/Makefile.in: Regenerate.
2407 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
2408 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
2409 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
2410 from dg-options and remove dg-require-filesystem-ts.
2411 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
2412 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
2413 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
2414 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
2415 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
2416 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
2417 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
2418 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
2419 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
2420 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
2421 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
2422 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
2423 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
2424 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
2425 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
2426 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
2427 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
2428 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
2429 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
2430 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
2431 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
2433 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
2434 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
2435 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
2436 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
2437 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
2438 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
2439 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
2440 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
2441 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
2442 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
2443 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
2444 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
2446 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
2448 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
2450 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
2452 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
2453 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
2454 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
2455 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
2456 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
2457 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
2458 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
2459 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
2460 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
2461 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
2463 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
2464 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
2465 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
2466 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
2467 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
2470 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
2471 Check is_trivially_copyable instead of is_scalar.
2472 (variant::emplace<N, Args>(Args&&...)): If construction of the new
2473 contained value can throw and its type is trivially copyable then
2474 construct into a temporary variant and move from it, to provide the
2475 strong exception safety guarantee.
2476 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
2478 * testsuite/20_util/variant/87431.cc: New test.
2479 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
2480 conversion causes valueless state.
2483 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
2484 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
2485 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
2486 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
2487 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
2489 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
2491 * include/bits/fs_fwd.h (__file_clock): Define new clock.
2492 (file_time_type): Redefine in terms of __file_clock.
2493 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
2495 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
2497 (internal_file_lock): New helper type for accessing __file_clock.
2498 (do_copy_file): Use internal_file_lock to convert system time to
2500 (last_write_time(const path&, error_code&)): Likewise.
2501 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
2503 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
2505 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
2506 for const member functions of std::basic_string.
2507 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
2509 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
2510 Make non-standard constructor private.
2511 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
2513 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
2514 explicit instantiations for C++17 as well as earlier dialects.
2515 * src/c++17/Makefile.am: Add new source files.
2516 * src/c++17/Makefile.in: Regenerate.
2517 * src/c++17/cow-string-inst.cc: New file defining explicit
2518 instantiations for basic_string member functions added in C++17.
2519 * src/c++17/string-inst.cc: Likewise.
2521 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
2522 copy/move constructors for old std::basic_string.
2523 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2524 (basic_string::reference, basic_string::const_reference): Define
2525 as plain references for C++11 and later.
2526 (basic_string::basic_string()): Put constructor body outside
2527 preprocessor conditional groups.
2528 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
2529 instead of copying it.
2530 (basic_string::basic_string(const basic_string&, const _Alloc&)):
2532 (basic_string::basic_string(basic_string&&, const _Alloc&)):
2534 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
2535 cases for old basic_string.
2536 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
2537 allocator-extended constructors unconditionally. Add extra members to
2538 allocator type when using old string ABI.
2539 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
2541 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
2543 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
2544 -fno-inline added to test flags.
2546 * testsuite/21_strings/basic_string/requirements/
2547 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
2549 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
2550 assertion failures with old std::string ABI.
2552 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
2554 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
2555 functions that will only erase elements at the end.
2556 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
2557 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
2558 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
2560 (path::_List::pop_back()): Define.
2561 (path::_List::_M_erase_from(const_iterator)): Define.
2562 (path::operator/=(const path&)): Use pop_back to remove last component
2563 and _M_erase_from to remove multiple components.
2564 (path::_M_append(basic_string_view<value_type>)): Likewise.
2565 (path::operator+=(const path&)): Likewise.
2566 (path::_M_concat(basic_string_view<value_type>)): Likewise.
2567 (path::remove_filename()): Likewise.
2568 (path::lexically_normal()): Use _List::_Impl iterators instead of
2569 path::iterator. Use pop_back to remove components from the end. Clear
2570 trailing filename, instead of using erase(const_iterator) to remove
2571 a non-final component.
2572 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
2574 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
2576 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
2577 incorrect treatment of empty filename after trailing slash.
2578 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
2580 * testsuite/21_strings/basic_string/modifiers/assign/char/
2581 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
2583 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
2584 move_assign_optim.cc: Likewise.
2586 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
2587 Jakub Jelinek <jakub@redhat.com>
2590 * include/experimental/memory: Replace UTF-8 quote characters.
2591 * include/std/future: Replace UTF-8 "em dash" characters.
2593 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
2596 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
2597 * include/debug/forward_list: Likewise.
2598 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
2600 * include/experimental/chrono: Likewise.
2601 * include/experimental/functional: Likewise.
2602 * include/experimental/ratio: Likewise.
2603 * include/experimental/system_error: Likewise.
2604 * include/experimental/tuple: Likewise.
2605 * include/experimental/type_traits: Likewise.
2606 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
2607 * include/parallel/multiseq_selection.h: Likewise.
2610 * config/abi/pre/gnu.ver: Add missing exports.
2611 * testsuite/22_locale/collate_byname/88681.cc: New test.
2612 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
2613 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
2615 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
2617 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
2618 initializer_list<value_type> and from input iterator ranges.
2619 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
2621 * testsuite/experimental/string_view/element_access/char/empty.cc:
2622 Fix year range in copyright header.
2624 2019-01-02 Joel Brobecker <brobecker@adacore.com>
2626 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
2627 Fix year range in copyright header.
2629 2019-01-01 Jakub Jelinek <jakub@redhat.com>
2631 Update copyright years.
2633 Copyright (C) 2019 Free Software Foundation, Inc.
2635 Copying and distribution of this file, with or without modification,
2636 are permitted in any medium without royalty provided the copyright
2637 notice and this notice are preserved.