1 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
3 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
5 * include/bits/unique_lock.h: Fix/improve doxygen markup.
6 * include/std/mutex: Likewise.
7 * include/std/shared_mutex: Likewise.
9 * include/bits/fs_dir.h: Fix/improve doxygen markup.
10 * include/bits/fs_fwd.h: Likewise.
11 * include/bits/fs_ops.h: Likewise.
12 * include/bits/fs_path.h: Likewise.
13 * include/std/filesystem: Likewise.
15 * include/experimental/bits/net.h: Fix/improve doxygen markup.
16 * include/experimental/buffer: Likewise.
17 * include/experimental/executor: Likewise.
18 * include/experimental/internet: Likewise.
19 * include/experimental/io_context: Likewise.
20 * include/experimental/net: Likewise.
21 * include/experimental/netfwd: Likewise.
22 * include/experimental/socket: Likewise.
23 * include/experimental/timer: Likewise.
25 * doc/doxygen/doxygroups.cc: Move description of experimental group
27 * include/experimental/algorithm: Add to libfund-ts doc group.
28 * include/experimental/any: Likewise. Do not document implementation
30 * include/experimental/array: Add to libfund-ts doc group.
31 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
32 for Library Fundamentals.
33 * include/experimental/chrono: Add to libfund-ts doc group.
34 * include/experimental/deque: Likewise.
35 * include/experimental/forward_list: Likewise.
36 * include/experimental/functional: Likewise.
37 * include/experimental/iterator: Likewise.
38 * include/experimental/list: Likewise.
39 * include/experimental/map: Likewise.
40 * include/experimental/memory: Likewise.
41 * include/experimental/memory_resource: Likewise. Improve docs.
43 * include/experimental/numeric: Add to libfund-ts doc group.
44 * include/experimental/optional: Likewise.
45 * include/experimental/propagate_const: Likewise.
46 * include/experimental/random: Likewise.
47 * include/experimental/ratio: Likewise.
48 * include/experimental/regex: Likewise.
49 * include/experimental/set: Likewise.
50 * include/experimental/source_location: Likewise.
51 * include/experimental/string: Likewise.
52 * include/experimental/string_view: Likewise.
53 * include/experimental/system_error: Likewise.
54 * include/experimental/tuple: Likewise.
55 * include/experimental/type_traits: Likewise.
56 * include/experimental/unordered_map: Likewise.
57 * include/experimental/unordered_set: Likewise.
58 * include/experimental/utility: Likewise.
59 * include/experimental/vector: Likewise.
60 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
61 * testsuite/experimental/array/neg.cc: Adjust dg-error.
62 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
64 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
65 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
66 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
67 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
68 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
70 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
71 * include/experimental/bits/fs_fwd.h: Improve docs.
72 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
73 * include/experimental/bits/fs_path.h: Likewise.
74 (path, filesystem_error, u8path): Improve docs.
75 * include/experimental/filesystem: Link to docs for TS.
77 * config/allocator/new_allocator_base.h (__allocator_base): Add
78 workaround for Doxygen bug #6945.
79 * include/std/memory: Improve docs. Define group for pointer safety.
80 * include/std/scoped_allocator: Improve docs. Use "undocumented"
81 conditional to suppress documentation for implementation details.
83 * include/bits/specfun.h: Improve docs.
84 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
87 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
88 (std::experimental): Add docs.
89 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
90 namespace to nothing when generating docs.
91 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
92 * include/std/chrono (std::chrono): Likewise.
93 * include/std/functional (std::placeholders): Likewise.
94 * include/std/thread (std::this_thread): Likewise.
96 * include/parallel/settings.h: Fix Doxygen markup.
98 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
99 anything unless PB_DS_CLASS_C_DEC is defined.
100 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
101 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
102 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
103 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
104 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
105 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
106 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
108 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
109 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
110 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
111 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
112 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
113 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
114 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
115 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
116 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
117 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
118 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
120 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
121 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
123 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
126 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
127 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
128 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
131 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
133 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
134 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
135 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
136 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
137 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
138 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
140 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
141 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
144 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
147 * include/std/complex (__complex_proj): Return parameter unchanged.
148 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
149 floating-point types to take std::complex arguments.
150 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
151 floating-point types.
152 * testsuite/26_numerics/complex/proj.cc: New test.
154 2019-04-30 Jakub Jelinek <jakub@redhat.com>
156 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
157 to _Lock_policyE[012].
158 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
160 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
162 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
163 macros accidentally left in.
164 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
165 unnecessary -lstdc++fs option. Fix test for mingw.
166 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
169 2019-04-30 Jakub Jelinek <jakub@redhat.com>
171 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
173 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
175 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
177 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
178 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
181 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
183 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
186 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
187 class template and partial specialization.
190 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
192 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
193 functions to convert a value to an integral type.
194 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
195 (fill_n): Convert _Size parameter to an integral type.
196 * testsuite/25_algorithms/fill_n/87982.cc: New test.
197 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
198 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
199 * testsuite/25_algorithms/generate_n/87982.cc: New test.
200 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
201 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
203 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
205 Adding noexcept-specification on tuple constructors (LWG 2899)
206 * libstdc++-v3/include/std/tuple:
207 (tuple()): Add noexcept-specification.
208 (tuple(const _Elements&...)): Likewise
209 (tuple(_UElements&&...)): Likewise
210 (tuple(const tuple<_UElements...>&)): Likewise
211 (tuple(tuple<_UElements...>&&)): Likewise
212 (tuple(const _T1&, const _T2&)): Likewise
213 (tuple(_U1&&, _U2&&)): Likewise
214 (tuple(const tuple<_U1, _U2>&): Likewise
215 (tuple(tuple<_U1, _U2>&&): Likewise
216 (tuple(const pair<_U1, _U2>&): Likewise
217 (tuple(pair<_U1, _U2>&&): Likewise
218 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
220 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
223 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
224 arguments with __restrict.
226 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
228 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
230 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
232 * include/experimental/bits/fs_path.h
233 (path::_S_convert_loc<_InputIterator>): Create const std::string to
234 avoid redundant call to _S_convert_loc with non-const pointers.
236 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
237 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
238 * testsuite/21_strings/basic_string/hash/hash.cc
239 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
240 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
241 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
243 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
244 wstring::_M_replace_dispatch with more specific patterns.
245 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
246 Create const std::string to avoid redundant call to _S_convert_loc
247 with non-const pointers.
248 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
249 avoid unnecessary basic_string::assign instantiations.
251 * include/std/memory (__uses_alloc_args): Add string-literal to
252 static_assert, to match the one in __uses_alloc.
253 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
254 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
255 for recursive uses-allocator construction of nested pairs.
256 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
259 2019-04-26 Jakub Jelinek <jakub@redhat.com>
261 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
262 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
263 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
264 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
266 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
267 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
268 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
269 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
270 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
271 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
272 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
274 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
277 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
278 * include/std/scoped_allocator [__cplusplus > 201703L]
279 (scoped_allocator_adaptor::construct): Define in terms of
280 uses_allocator_construction_args, as per P0591R4.
281 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
282 * testsuite/util/testsuite_allocator.h: Remove name of unused
285 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
287 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
288 * doc/html/*: Regenerate.
290 * include/bits/fs_path.h (operator<, operator<=, operator>)
291 (operator>=, operator==, operator!=): Make hidden friends, as per
293 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
295 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
297 * include/std/any (any::any(ValueType&&)): Use __and_v.
298 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
301 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
303 * include/std/type_traits (__result_of_memfun): Use remove_reference
304 instead of __remove_cvref_t and remove redundant is_same check.
305 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
307 * include/experimental/string_view (basic_string_view::pointer)
308 (basic_string_view::reference): Fix to refer to non-const value_type.
309 * include/bits/basic_string.h (basic_string): Use __sv_check and
310 __sv_limit instead of basic_string_view::_M_check and
311 basic_string_view::_M_limit.
312 * include/std/string_view (__sv_check, __sv_limit): New
313 helper functions to replace basic_string_view::_M_check and
314 basic_string_view::_M_limit.
315 (basic_string_view): Add static assertions to enforce ill-formed
316 requirement for traits_type::char_type from P1148R0, and to enforce
317 required properties of char-like types.
318 (basic_string_view::pointer, basic_string_view::reference): Fix to
319 refer to non-const value_type.
320 (basic_string_view::operator[], basic_string_view::at)
321 (basic_string_view::front, basic_string_view::back)
322 (basic_string_view::data): Use const_reference and const_pointer
323 typedefs for return types.
324 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
325 (hash<wstring_view>): Fix argument_type typedef.
326 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
327 char/1.cc: Fix expected return type of basic_string_view::data().
328 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
329 wchar_t/1.cc: Likewise.
330 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
332 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
333 wchar_t/1.cc: Likewise.
334 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
336 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
337 Check reference and pointer typedefs.
338 * testsuite/experimental/string_view/requirements/typedefs.cc:
340 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
341 Fix expected return type of basic_string_view::data().
342 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
344 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
346 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
350 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
351 Avoid a runtime check for types that can never be stored in std::any.
352 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
355 PR libstdc++/90220 (partial)
356 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
357 not attempt ill-formed static_cast to pointers to non-object types.
358 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
361 * testsuite/20_util/variant/run.cc: Catch exception by reference to
362 prevent -Wcatch-value warning.
364 * include/std/variant (__variant_construct): Use template parameter
365 type instead of equivalent decltype-specifier.
366 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
367 Replace forward with move.
368 (_Move_ctor_base<false, Types...>::_M_destructive_move)
369 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
370 (_Move_ctor_base<true, Types...>::_M_destructive_move)
371 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
372 index after construction succeeds.
373 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
374 if-constexpr checks that are always true. Use __remove_cvref_t instead
375 of remove_reference so that is_nothrow_move_constructible check
376 doesn't use a const rvalue parameter. In the potentially-throwing case
377 construct a temporary and move assign it, as per LWG 2904.
378 (_Move_assign_base<false, Types...>::operator=): Remove redundant
379 if-constexpr checks that are always true. Use emplace as per LWG 2904.
380 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
381 construct a temporary and move assign from it, as per LWG 2904.
382 * testsuite/20_util/variant/exception_safety.cc: Check that
383 assignment operators have strong exception safety guarantee.
385 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
387 Document PSTL linker flags
389 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
391 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
393 * include/std/variant (__detail::__variant::_Traits): Make
394 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
395 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
397 (__detail::__variant::_Copy_assign_alias): Only depend on
398 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
399 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
400 move assignment operators.
403 * include/std/variant (variant::__not_self): New helper for the
404 is_same_v<remove_cvref_t<T>, variant>==false constraints.
405 (variant::__to_type_impl): Remove.
406 (variant::__to_type): Add default argument to check pack size, instead
407 of using __to_type_impl.
408 (variant::__accepted_type): Add default argument using __not_self.
409 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
410 for variant(T&&) constructor constraint.
411 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
412 Extract __accepted_type into a named template parameter for reuse in
413 other constraints and in the exception specification.
414 (variant::variant(in_place_type_t<T>, Args&&...))
415 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
416 (variant::variant(in_place_index_t<T>, Args&&...))
417 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
418 (variant::operator=T&&)): Remove redundant && from trait arguments.
419 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
420 isn't used for in_place_type or in_place_index arguments.
422 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
423 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
424 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
426 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
427 Bernd Edlinger <bernd.edlinger@hotmail.de>
428 Jakub Jelinek <jakub@redhat.com>
431 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
432 general-regs-only target attribute for ARM.
434 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
437 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
438 specialization also depend on is_nothrow_move_constructible.
439 * include/std/variant (__detail::__variant::__never_valueless()):
440 Only true if the variant would have a move assignment operator.
441 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
442 Check __never_valueless<T...>().
443 (variant::emplace): Only perform non-throwing move assignments
444 for never-valueless alternatives if the variant has a move assignment
446 * testsuite/20_util/variant/compile.cc: Check that never-valueless
447 types can be emplaced into non-assignable variants.
448 * testsuite/20_util/variant/run.cc: Check that never-valueless types
449 don't get copied when emplaced into non-assignable variants.
451 * include/std/variant (__detail::__variant::__ref_cast): Remove
453 (__detail::__variant::_Uninitialized::_M_get)
454 (__detail::__variant::__get)
455 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
457 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
459 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
461 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
462 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
463 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
464 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
466 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
468 Delegate PSTL configuration to pstl/pstl_config.h
470 * include/bits/c++config: Remove explicit PSTL configuration
471 macros and use definitions from <pstl/pstl_config.h>.
473 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
475 Cleanup algorithm implementations
476 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
478 (mismatch): Forward execution policy.
479 (equal): Qualify call to std::equal().
480 (partial_sort): Forward execution policy.
481 (inplace_merge): Forward execution policy.
483 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
485 Improve implementation of parallel equal()
486 * include/pstl/algorithm_impl.h
487 (__internal::__brick_equal): use "4 iterator" version of
489 (__internal::__brick_equal): use simd for random access
490 iterators on unsequenced execution policies.
491 (__internal::__pattern_equal): add "4 iterator" version
492 (__internal::__pattern_equal): dispatch to simd __brick_equal
493 for vector-only execution policies.
494 (__internal::__pattern_equal): dispatch to __parallel_or for
495 parallel execution policies.
496 * include/pstl/glue_algorithm_impl.h
497 (std::equal): dispatch to "4 iterator" version of
498 __internal::__pattern_equal().
500 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
503 * include/bits/forward_list.h (operator==): Do not use operator!= to
505 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
506 earlier in the list, so that sort is stable.
507 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
508 * testsuite/23_containers/forward_list/comparable.cc: Test with
509 types that meet the minimum EqualityComparable and LessThanComparable
510 requirements. Remove irrelevant comment.
512 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
513 Do not depend on whether all alternative types are move constructible.
514 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
515 from the operand when deciding whether to perform the assignment.
516 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
517 with deleted move constructor and deleted move assignment operator.
518 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
519 behaviour of variants with DeletedMoves as an alternative.
520 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
521 (move_ctor, move_assign): Check that moving a variant with a
522 DeletedMoves alternative falls back to copying instead of moving.
524 * testsuite/20_util/variant/compile.cc: Remove empty string literals
525 from static_assert declarations.
527 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
528 actually match its name.
529 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
530 (test_swap()): Fix result for MoveCtorOnly and check
533 * include/std/optional (optional::value_or(U&&) &&): Add missing
535 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
536 for disengaged optionals and rvalue optionals.
537 * testsuite/20_util/optional/observers/4.cc: Likewise.
539 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
541 * include/pstl/algorithm_impl.h: Uglify identfiers.
542 * include/pstl/numeric_impl.h: Uglify identfiers.
543 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
545 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
547 * include/bits/c++config:
548 Add definition for __PSTL_ASSERT.
549 Add definition for __PSTL_ASSERT_MSG.
550 * include/pstl/algorithm_impl.h: Replace use of assert().
551 * include/pstl/numeric_impl.h: Replace use of assert().
552 * include/pstl/parallel_backend_tbb.h:
553 Replace use of assert().
554 Replace use of __TBB_ASSERT().
555 * include/pstl/parallel_backend_utils.h: Replace use of assert().
557 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
560 * src/c++17/memory_resource.cc
561 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
562 needed to allow placing a _Chunk at the end of the buffer.
563 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
565 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
567 * doc/xml/faq.xml: Add information about emergency EH pool.
568 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
569 Move outdated information on mt_allocator to a separate section.
570 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
571 doesn't affect the default allocator.
573 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
577 * testsuite/20_util/variant/89851.cc: New test.
579 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
581 * include/std/variant: Adjust whitespace. Add comments.
582 (_Multi_array): Leave primary template undefined.
583 (_Multi_array<_Tp>): Define partial specialization for base case of
585 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
586 which is always a reference.
587 (__gen_vtable::_S_apply()): Remove function, inline body into
588 default member initializer.
589 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
591 * include/std/variant (__variant_idx_cookie): Add member type.
592 (__visitor_result_type): Remove.
593 (__do_visit): Use invoke_result instead of __visitor_result_type.
594 * testsuite/20_util/variant/visit.cc: New test.
597 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
599 * testsuite/20_util/variant/90008.cc: New test.
601 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
603 * include/pstl/algorithm_impl.h: Add namespace qualification.
604 * include/pstl/execution_defs.h: Add namespace qualification.
605 * include/pstl/execution_impl.h: Add namespace qualification.
606 * include/pstl/numeric_impl.h: Add namespace qualification.
607 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
608 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
609 * include/pstl/parallel_backend_utils.h: Include <cassert>.
611 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
613 Fix visit<R> for variant.
614 * include/std/variant (__do_visit): Add a template parameter
615 for enforcing same return types for visit.
616 (__gen_vtable_impl): Likewise.
617 (_S_apply_single_alt): Adjust.
618 (__visit_invoke_impl): New. Handle casting to void.
619 (__do_visit_invoke): New. Enforces same return types.
620 (__do_visit_invoke_r): New. Converts return types.
621 (__visit_invoke): Adjust.
622 (__gen_vtable): Add a template parameter for enforcing
623 same return types for visit.
624 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
625 different return types.
626 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
627 visitors with different return types don't accidentally
628 compile with regular visitation.
630 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
632 * testsuite/27_io/filesystem/iterators/caching.cc: Add
633 dg-require-filesystem-ts.
635 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
637 * doc/xml/manual/status_cxx2020.xml: Update status.
638 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
639 * testsuite/20_util/variant/visit_r.cc: New test.
641 * include/bits/fs_dir.h (directory_iterator::operator*)
642 (directory_iterator::operator->): Add noexcept.
643 (operator==, operator!=): Replace namespace-scope equality operators
644 for directory iterators with hidden friends.
647 * config/abi/pre/gnu.ver: Add missing exports.
648 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
651 * config/abi/pre/gnu.ver: Export new symbols.
652 * include/bits/fs_dir.h (recursive_directory_iterator::options())
653 (recursive_directory_iterator::recursion_pending())
654 (recursive_directory_iterator::disable_recursion_pending()): Remove
655 inline definitions. Make noexcept.
656 (recursive_directory_iterator::depth())
657 (recursive_directory_iterator::operator*())
658 (recursive_directory_iterator::operator->()): Make noexcept.
659 (recursive_directory_iterator::_M_options)
660 (recursive_directory_iterator::_M_pending): Remove data members.
661 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
662 (recursive_directory_iterator::recursive_directory_iterator): Remove
663 ctor-initializer. Use new constructor for _Dir_stack.
664 (recursive_directory_iterator::options())
665 (recursive_directory_iterator::recursion_pending())
666 (recursive_directory_iterator::disable_recursion_pending()): Add
667 non-inline definitions.
668 (recursive_directory_iterator::depth()): Make noexcept.
669 (recursive_directory_iterator::increment(error_code&))
670 (recursive_directory_iterator::pop(error_code&)): Adjust to new
671 location of options and recursion_pending members.
672 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
673 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
674 user-declared move constructor and assignment operator, to make the
677 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
678 d_type == DT_UNKNOWN immediately.
679 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
681 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
683 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
685 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
686 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
689 PR libstdc++/87431 (again)
690 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
691 Define partial specialization for basic_string.
692 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
693 shared_ptr and weak_ptr.
694 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
696 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
698 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
700 * include/debug/vector (_Never_valueless_alt): Likewise for debug
702 * include/std/any (_Never_valueless_alt): Define explicit
703 specialization for any.
704 * include/std/variant (_Never_valueless_alt): Define primary template.
705 (__never_valueless): Use _Never_valueless_alt instead of
706 is_trivially_copyable.
707 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
708 initializations to avoid try-catch overhead. Add special case for
709 scalars produced by potentially-throwing conversions. Use
710 _Never_valueless_alt instead of is_trivially_copyable for the
711 remaining strong exception-safety cases.
712 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
713 * testsuite/20_util/variant/87431.cc: Run both test functions.
714 * testsuite/20_util/variant/exception_safety.cc: New test.
715 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
716 so the variant becomes valueless.
718 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
721 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
723 (variant::emplace<_Tp>): Return result of emplace<N> directly.
725 * include/std/string (__hash_string_base): New class template defining
726 operator() for hashing strings.
727 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
728 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
729 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
730 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
732 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
734 Use single-visitation in variant assignment and swap and relops.
735 Also use indices instead of types when checking whether
736 variants hold the same thing.
737 * include/std/variant (__do_visit): Add a template parameter
738 for index visitation, invoke with indices if index visitation
740 (__variant_idx_cookie): New.
741 (__visit_with_index): Likewise.
742 (_Copy_assign_base::operator=): Do single-visitation with
744 (_Move_assign_base::operator=): Likewise.
745 (_Extra_visit_slot_needed): Adjust.
746 (__visit_invoke): Call with indices if it's an index visitor.
747 (relops): Do single-visitation with an index visitor.
749 (__visitor_result_type): New.
751 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
753 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
755 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
757 Don't revisit a variant we are already visiting.
758 * include/std/variant (__variant_construct_single): New.
759 (__variant_construct): Use it.
760 (_M_destructive_move): Likewise.
761 (_M_destructive_copy): Likewise.
762 (_Copy_assign_base::operator=): Adjust.
763 (_Move_assign_base::operator=): Likewise.
766 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
769 * include/bits/hashtable.h (_Hashtable): Move static assertions to
770 destructor so they are not evaluated until the _Key type is complete.
771 * include/bits/stl_tree.h (_Rb_tree): Likewise.
772 * testsuite/23_containers/set/85965.cc: New test.
773 * testsuite/23_containers/unordered_set/85965.cc: New test.
774 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
775 with regexp matching the corresponding _Rb_tree specialization.
776 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
777 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
778 * testsuite/23_containers/set/48101_neg.cc: Likewise.
779 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
780 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
781 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
782 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
784 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
787 Fix based on a suggestion by Antony Polukhin.
788 * include/std/variant (__never_valueless): New.
790 (_Extra_visit_slot_needed): New.
791 (_Multi_array): Use it.
792 (_S_apply_all_alts): Likewise.
794 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
797 Fix based on a suggestion by Antony Polukhin.
798 * include/std/variant (__gen_vtable): Don't reserve an
799 additional table slot, _Multi_array already does that.
801 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
804 Fix based on a suggestion by Antony Polukhin.
805 * include/std/variant (__variant_construct): Capture a pointer
806 to the storage and visit just one variant.
808 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
810 * doc/xml/manual/backwards_compatibility.xml: Remove link to
811 Doxygen-generated pages with unstable URL.
812 * doc/xml/manual/concurrency_extensions.xml: Likewise.
813 * doc/xml/manual/extensions.xml: Likewise.
814 * doc/xml/manual/parallel_mode.xml: Likewise.
815 * doc/xml/manual/support.xml: Likewise.
817 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
818 avoid -Wconversion warnings.
820 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
822 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
823 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
824 (allstamped): Add stamp-pstl.
825 (install-headers): Add ptsl_builddir.
826 * include/Makefile.in: Regenerate.
827 * include/bits/c++config: Add pstl configuration.
828 * include/pstl/LICENSE.txt: New file.
829 * include/pstl/algorithm_fwd.h: New file.
830 * include/pstl/algorithm_impl.h: New file.
831 * include/pstl/execution_defs.h: New file.
832 * include/pstl/execution_impl.h: New file.
833 * include/pstl/glue_algorithm_defs.h: New file.
834 * include/pstl/glue_algorithm_impl.h: New file.
835 * include/pstl/glue_execution_defs.h: New file.
836 * include/pstl/glue_memory_defs.h: New file.
837 * include/pstl/glue_memory_impl.h: New file.
838 * include/pstl/glue_numeric_defs.h: New file.
839 * include/pstl/glue_numeric_impl.h: New file.
840 * include/pstl/memory_impl.h: New file.
841 * include/pstl/numeric_fwd.h: New file.
842 * include/pstl/numeric_impl.h: New file.
843 * include/pstl/parallel_backend.h: New file.
844 * include/pstl/parallel_backend_tbb.h: New file.
845 * include/pstl/parallel_backend_utils.h: New file.
846 * include/pstl/parallel_impl.h: New file.
847 * include/pstl/pstl_config.h: New file.
848 * include/pstl/unseq_backend_simd.h: New file.
849 * include/pstl/utils.h: New file.
850 * include/std/algorithm: Include parallel algorithm implementations.
851 * include/std/execution: New file.
852 * include/std/memory: Include parallel algorithm implementations.
853 * include/std/numeric: Include parallel algorithm implementations.
854 * include/std/version: Add parallel algorithms feature test macro.
855 * testsuite/util/pstl/pstl_test_config.h: New file.
856 * testsuite/util/pstl/test_utils.h: New file.
857 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
858 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
859 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
860 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
861 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
862 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
863 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
864 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
865 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
866 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
867 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
868 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
869 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
870 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
871 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
872 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
873 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
874 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
875 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
876 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
877 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
878 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
879 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
880 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
881 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
882 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
883 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
884 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
885 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
886 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
887 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
888 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
889 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
890 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
891 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
892 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
893 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
894 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
895 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
896 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
897 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
898 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
899 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
900 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
901 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
902 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
903 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
904 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
905 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
906 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
907 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
908 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
909 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
910 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
911 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
912 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
913 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
914 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
915 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
916 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
917 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
918 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
919 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
920 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
921 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
922 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
923 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
924 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
925 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
926 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
927 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
928 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
929 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
930 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
931 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
932 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
933 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
934 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
935 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
936 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
937 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
938 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
939 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
940 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
941 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
942 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
943 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
944 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
945 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
946 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
947 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
948 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
949 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
950 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
951 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
952 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
953 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
954 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
955 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
956 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
957 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
958 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
959 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
960 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
961 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
962 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
964 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
966 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
967 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
968 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
969 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
970 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
971 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
972 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
973 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
974 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
975 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
976 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
977 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
978 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
979 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
980 when the special functions IS is enabled, not for C++17.
981 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
983 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
984 without checks for special functions in C++17.
985 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
989 * include/backward/hash_map: Use <> for includes not "".
990 * include/backward/hash_set: Likewise.
991 * include/backward/strstream: Likewise.
992 * include/tr1/bessel_function.tcc: Likewise.
993 * include/tr1/exp_integral.tcc: Likewise.
994 * include/tr1/legendre_function.tcc: Likewise.
995 * include/tr1/modified_bessel_func.tcc: Likewise.
996 * include/tr1/riemann_zeta.tcc: Likewise.
998 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
1000 * doc/xml/manual/allocator.xml: Link to table documenting evolution
1001 of extension allocators.
1002 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
1003 Document new headers in 7.2, 8.1 and 9.1 releases.
1004 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
1005 * doc/html/*: Regenerate.
1007 2019-03-12 John David Anglin <dave.anglin@bell.net>
1010 * testsuite/lib/libstdc++.exp: Locate libatomic.
1011 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
1012 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
1014 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1015 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
1016 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
1017 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
1019 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
1022 * configure.ac: Check for sockatmark.
1023 * crossconfig.m4: Check for sockatmark.
1024 * config.h.in: Regenerate.
1025 * configure: Regenerate.
1026 * include/experimental/internet (address_v4::_S_hton): Rename
1027 overloaded functions to _S_hton_16 and _S_ntoh_16.
1028 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
1029 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
1030 * include/experimental/socket (basic_socket::at_mark): Check
1031 _GLIBCXX_HAVE_SOCKATMARK.
1033 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
1034 const variables instead of macros.
1037 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
1038 Use correct type for len_aligned.
1039 * testsuite/20_util/hash/89629.cc: New test.
1041 2019-03-11 Jakub Jelinek <jakub@redhat.com>
1044 * include/std/atomic (atomic<T>::store, atomic<T>::load,
1045 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
1046 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
1047 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
1048 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
1049 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
1050 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
1051 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
1052 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
1053 memory_order_seq_cst to int.
1055 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
1057 * doc/xml/manual/using.xml: Use link element instead of xref.
1058 * doc/html/*: Regenerate.
1060 * include/bits/fs_path.h (path::format): Add fixed underlying type.
1062 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
1065 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
1066 parameters in deduction guides.
1067 * include/debug/multimap.h (multimap): Likewise.
1068 * include/debug/set.h (multimap): Likewise.
1069 * include/debug/multiset.h (multimap): Likewise.
1070 * include/debug/unordered_map (unordered_map): Likewise.
1071 (unordered_multimap): Likewise.
1072 * include/debug/unordered_set (unordered_set): Likewise.
1073 (unordered_multiset): Likewise.
1076 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
1077 Invalidate all iterators in case of rehash.
1078 (unordered_multimap<>::_M_check_rehashed): Likewise.
1079 * include/debug/unordered_set
1080 (unordered_set<>::_M_check_rehashed): Likewise.
1081 (unordered_multiset<>::_M_check_rehashed): Likewise.
1082 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
1084 2019-03-07 Andreas Schwab <schwab@suse.de>
1086 * config/abi/post/riscv64-linux-gnu: New directory.
1087 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
1089 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
1091 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
1092 compile test to run. Fix typo.
1094 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
1095 * doc/html/*: Regenerate.
1097 P0356R5 Simplified partial function application
1098 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
1099 helpers for bind_front.
1100 (bind_front, __cpp_lib_bind_front): Define.
1101 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
1103 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1105 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
1106 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
1107 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
1108 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1110 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
1112 PR libstdc++/86655 - std::assoc_legendre should not constrain
1113 the value of m (or x).
1114 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
1115 __sph_legendre): If degree > order Don't throw, return 0.
1116 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
1117 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
1118 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
1119 * testsuite/tr1/5_numerical_facilities/special_functions/
1120 02_assoc_legendre/pr86655.cc: New test.
1121 * testsuite/tr1/5_numerical_facilities/special_functions/
1122 22_sph_legendre/pr86655.cc: New test.
1124 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
1127 Also PR libstdc++/85517
1128 * include/std/variant (__do_visit): New.
1129 (__variant_cast): Likewise.
1130 (__variant_cookie): Likewise.
1131 (__erased_*): Remove.
1132 (_Variant_storage::_S_vtable): Likewise.
1133 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
1134 (_Variant_storage::__M_reset): Adjust.
1135 (__variant_construct): New.
1136 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
1137 __variant_construct.
1138 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
1139 (_Move_ctor_base::__M_destructive_copy): New.
1140 (_Move_ctor_base::__M_destructive_move): Adjust to use
1141 __variant_construct.
1142 (_Copy_assign_base::operator=): Adjust to use __do_visit.
1143 (_Copy_assign_alias): Adjust to check both copy assignment
1144 and copy construction for triviality.
1145 (_Move_assign_base::operator=): Adjust to use __do_visit.
1146 (_Multi_array): Add support for visitors that accept and return
1148 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
1149 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
1150 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
1151 a __variant_cookie temporary for a variant that is valueless and..
1152 (__gen_vtable_impl::__visit_invoke): ..adjust here.
1153 (__gen_vtable::_Array_type): Conditionally make space for
1154 the __variant_cookie visitor case.
1155 (__variant_construct_by_index): New.
1156 (get_if): Adjust to use std::addressof.
1157 (relops): Adjust to use __do_visit.
1158 (variant): Add __variant_cast and __variant_construct_by_index
1160 (variant::emplace): Use _M_reset() and __variant_construct_by_index
1161 instead of self-destruction.
1162 (variant::swap): Adjust to use __do_visit.
1163 (visit): Reimplement in terms of __do_visit.
1164 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
1165 * testsuite/20_util/variant/compile.cc: Adjust.
1166 * testsuite/20_util/variant/run.cc: Likewise.
1168 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1170 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
1172 * testsuite/experimental/feat-char8_t.cc: Likewise.
1174 * include/std/type_traits [C++20] (is_bounded_array)
1175 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
1177 * testsuite/20_util/is_bounded_array/requirements/
1178 explicit_instantiation.cc: New test.
1179 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
1181 * testsuite/20_util/is_bounded_array/value.cc: New test.
1182 * testsuite/20_util/is_unbounded_array/requirements/
1183 explicit_instantiation.cc: New test.
1184 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
1186 * testsuite/20_util/is_unbounded_array/value.cc: New test.
1188 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
1190 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
1192 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
1194 * include/c_compatibility/math.h [C++20] (lerp): Add using
1196 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
1197 (__lerp): Define function template to implement lerp.
1198 (lerp(float, float, float), lerp(double, double, double))
1199 (lerp(long double, long double, long double)): Define for C++20.
1200 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
1201 (midpoint(T, T), midpoint(T*, T*)): Define.
1202 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
1203 * testsuite/26_numerics/lerp.cc: New test.
1204 * testsuite/26_numerics/midpoint/floating.cc: New test.
1205 * testsuite/26_numerics/midpoint/integral.cc: New test.
1206 * testsuite/26_numerics/midpoint/pointer.cc: New test.
1208 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
1210 PR libstdc++/88996 Implement P0439R0
1211 Make std::memory_order a scoped enumeration.
1212 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
1213 add variables for the old enumerators. Adjust calls.
1214 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
1215 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
1217 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
1219 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
1222 * include/std/memory_resource (polymorphic_allocator): Add default
1223 template argument for C++20.
1224 (polymorphic_allocator::allocate_bytes)
1225 (polymorphic_allocator::deallocate_bytes)
1226 (polymorphic_allocator::allocate_object)
1227 (polymorphic_allocator::deallocate_object)
1228 (polymorphic_allocator::new_object)
1229 (polymorphic_allocator::delete_object): New member functions for
1231 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
1234 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
1237 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
1240 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
1242 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
1243 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
1245 * include/std/memory (uses_allocator_construction_args): New set of
1246 overloaded functions.
1247 (make_obj_using_allocator, uninitialized_construct_using_allocator):
1249 * include/std/memory_resource (polymorphic_allocator::construct)
1250 [__cplusplus > 201703l]: Replace all overloads with a single function
1251 using uses_allocator_construction_args.
1252 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
1254 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
1256 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
1259 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
1260 stylesheet directories before check for xsltproc. Try to use
1261 xmlcatalog to find local stylesheet directory before trying hardcoded
1262 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
1263 check to look for the same stylesheet as doc/Makefile.am uses. Don't
1264 use xsltproc if xmlcatalog fails to find a local stylesheet.
1265 * configure.ac: Check for xmlcatalog.
1266 * Makefile.in: Regenerate.
1267 * configure: Likewise.
1268 * doc/Makefile.in: Likewise.
1269 * include/Makefile.in: Likewise.
1270 * libsupc++/Makefile.in: Likewise.
1271 * po/Makefile.in: Likewise.
1272 * python/Makefile.in: Likewise.
1273 * src/Makefile.in: Likewise.
1274 * src/c++11/Makefile.in: Likewise.
1275 * src/c++17/Makefile.in: Likewise.
1276 * src/c++98/Makefile.in: Likewise.
1277 * src/filesystem/Makefile.in: Likewise.
1278 * testsuite/Makefile.in: Likewise.
1280 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
1283 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
1284 container deduction guides.
1285 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
1286 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
1287 parameters in deduction guides.
1288 * include/bits/stl_multimap.h (multimap): Likewise.
1289 * include/bits/stl_multiset.h (multiset): Likewise.
1290 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
1291 * include/bits/stl_set.h (set): Likewise.
1292 * include/bits/stl_stack.h (stack): Likewise.
1293 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
1294 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
1295 constrain parameters in deduction guides.
1296 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
1298 * testsuite/23_containers/map/cons/deduction.cc: Test additional
1300 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
1301 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
1302 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
1303 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
1305 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
1307 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
1310 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
1311 to class template and partial specialization using void_t.
1312 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1314 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
1317 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
1318 copy and move members public.
1320 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
1322 * include/std/type_traits (__underlying_type_impl): New helper to
1323 make underlying_type SFINAE-friendly.
1324 (underlying_type): Derive from __underlying_type_impl.
1325 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
1329 * include/bits/char_traits.h (__constant_char_array): Check index is
1330 in range before dereferencing.
1331 (char_traits<char>::compare, char_traits<char>::find)
1332 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
1333 immediately if n is zero.
1334 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
1335 Remove workarounds for PR 67026.
1336 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
1338 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
1341 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1343 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
1344 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
1346 2019-02-22 Jakub Jelinek <jakub@redhat.com>
1349 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
1350 type to std::size_t and argument to type to long double.
1352 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1354 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
1355 * config/abi/post/sparc64-linux-gnu: New directory.
1356 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
1357 * config/abi/post/sparc64-linux-gnu/32: New directory.
1358 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
1360 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1362 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
1363 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
1366 2019-02-22 Tom Honermann <tom@honermann.net>
1368 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
1369 printers for u8string and u8string_view.
1371 2019-02-22 Tom Honermann <tom@honermann.net>
1373 * testsuite/18_support/byte/ops.cc: Validate
1374 std::to_integer<char8_t>, std::to_integer<char16_t>, and
1375 std::to_integer<char32_t>.
1376 * testsuite/18_support/numeric_limits/dr559.cc: Validate
1377 std::numeric_limits<char8_t>.
1378 * testsuite/18_support/numeric_limits/lowest.cc: Validate
1379 std::numeric_limits<char8_t>::lowest().
1380 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
1381 std::numeric_limits<char8_t>::max_digits10.
1382 * testsuite/18_support/type_info/fundamental.cc: Validate
1383 typeinfo for char8_t.
1384 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
1385 std::from_chars with char8_t.
1386 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
1387 Validate explicit instantiation of std::hash<char8_t>.
1388 * testsuite/20_util/is_integral/value.cc: Validate
1389 std::is_integral<char8_t>.
1390 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
1391 Validate std::make_signed<char8_t>.
1392 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
1393 Validate u8string construction from char8_t sources.
1394 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
1396 * testsuite/21_strings/basic_string_view/operations/compare/
1397 char/70483.cc: Validate substr operations on u8string_view.
1398 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
1399 the u8string_view typedef is defined.
1400 * testsuite/21_strings/char_traits/requirements/
1401 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
1403 * testsuite/21_strings/char_traits/requirements/
1404 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
1405 constexpr member functions.
1406 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
1407 that the u8string typedef is defined.
1408 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
1409 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
1410 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
1411 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
1413 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
1414 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
1416 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
1417 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
1418 Validate std::atomic<char8_t>::is_always_lock_free
1419 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
1420 Update line numbers.
1421 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
1423 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
1425 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1426 Validate std::experimental::pmr::u8string.
1427 * testsuite/experimental/string_view/typedefs.cc: Validate that the
1428 u8string_view typedef is defined.
1429 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
1430 char32_t to the typelists.
1432 2019-02-22 Tom Honermann <tom@honermann.net>
1434 * include/ext/typelist.h: Constrain a partial specialization of
1435 typelist::detail::append_ to only match chain<T1,T2>.
1437 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1440 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
1441 class template with class. Replace move and copy member types with
1442 member alias templates, so they are only instantiated when needed.
1443 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1444 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
1445 test for C++11/14/17 as well.
1446 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
1449 2019-02-20 Jakub Jelinek <jakub@redhat.com>
1452 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
1453 _GLIBCXX_PURE to the alias declaration.
1455 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
1457 * testsuite/21_strings/basic_string/literals/types.cc
1458 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
1459 * testsuite/21_strings/basic_string/literals/values.cc
1460 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1461 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
1462 potentially having different type.
1463 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1464 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
1466 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
1467 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1468 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
1469 string literals only using basic character set.
1470 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
1471 u8 literals to char.
1472 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
1473 Test ATOMIC_CHAR8_T_LOCK_FREE.
1474 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
1475 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
1476 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
1477 * testsuite/experimental/string_view/literals/types.cc
1478 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
1480 * testsuite/experimental/string_view/literals/values.cc
1481 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1483 2019-02-19 Tom Honermann <tom@honermann.net>
1485 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
1486 from char16_32_t.cc; validates numeric_limits<char8_t>.
1487 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
1488 test cloned from types.cc; validates operator""s for char8_t
1490 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
1491 test cloned from values.cc; validates construction and comparison
1493 * testsuite/21_strings/basic_string/requirements/
1494 /explicit_instantiation/char8_t/1.cc: New test cloned from
1495 char16_t/1.cc; validates explicit instantiation of
1496 basic_string<char8_t>.
1497 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
1498 New test cloned from types.cc; validates operator""sv for char8_t
1499 returns u8string_view.
1500 * testsuite/21_strings/basic_string_view/literals/
1501 values-char8_t.cc: New test cloned from values.cc; validates
1502 construction and comparison of u8string_view values.
1503 * testsuite/21_strings/basic_string_view/requirements/
1504 explicit_instantiation/char8_t/1.cc: New test cloned from
1505 char16_t/1.cc; validates explicit instantiation of
1506 basic_string_view<char8_t>.
1507 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
1508 New test cloned from char16_t/65049.cc; validates that
1509 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
1510 * testsuite/21_strings/char_traits/requirements/char8_t/
1511 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
1512 that char_traits<char8_t> member typedefs are present and correct.
1513 * testsuite/21_strings/char_traits/requirements/
1514 explicit_instantiation/char8_t/1.cc: New test cloned from
1515 char16_t/1.cc; validates explicit instantiation of
1516 char_traits<char8_t>.
1517 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
1518 from char16_t.cc: validates
1519 codecvt<char16_t, char8_t, mbstate_t>.
1520 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
1521 from char32_t.cc: validates
1522 codecvt<char32_t, char8_t, mbstate_t>.
1523 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
1524 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
1525 codecvt<char32_t, char8_t, std::mbstate_t>.
1526 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
1527 test cloned from string.cc; validates filesystem::path construction
1529 * testsuite/experimental/feat-char8_t.cc: New test; validates that
1530 the __cpp_lib_char8_t feature test macro is defined with the
1532 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
1533 New test cloned from string.cc; validates filesystem::path
1534 construction from char8_t input.
1535 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
1536 test cloned from types.cc; validates operator""sv for char8_t
1537 returns u8string_view.
1538 * testsuite/experimental/string_view/literals/values-char8_t.cc:
1539 New test cloned from values.cc; validates construction and
1540 comparison of u8string_view values.
1541 * testsuite/experimental/string_view/requirements/
1542 explicit_instantiation/char8_t/1.cc: New test cloned from
1543 char16_t/1.cc; validates explicit instantiation of
1544 basic_string_view<char8_t>.
1545 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
1546 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
1549 2019-02-19 Tom Honermann <tom@honermann.net>
1551 P0482R5 char8_t: Standard library support
1552 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
1553 typeinfo symbols for char8_t.
1554 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
1555 (GLIBCXX_3.4.26): Add symbols for specializations of
1556 numeric_limits and codecvt that involve char8_t.
1557 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
1558 * include/bits/atomic_base.h: Add atomic_char8_t.
1559 * include/bits/basic_string.h: Add std::hash<u8string> and
1560 operator""s(const char8_t*, size_t).
1561 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
1563 * include/bits/char_traits.h: Add char_traits<char8_t>.
1564 * include/bits/codecvt.h: Add
1565 codecvt<char16_t, char8_t, mbstate_t>,
1566 codecvt<char32_t, char8_t, mbstate_t>,
1567 codecvt_byname<char16_t, char8_t, mbstate_t>, and
1568 codecvt_byname<char32_t, char8_t, mbstate_t>.
1569 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
1570 recognize char8_t as an integral type.
1571 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
1573 (path::u8string): Return std::u8string when char8_t support is
1575 (path::generic_u8string): Likewise.
1576 (path::_S_convert): Handle conversion from char8_t input.
1577 (path::_S_str_convert): Likewise.
1578 * include/bits/functional_hash.h: Add hash<char8_t>.
1579 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
1581 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
1582 for new char8_t specializations.
1583 * include/bits/localefwd.h: Add missing declarations of
1584 codecvt<char16_t, char, mbstate_t> and
1585 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
1586 codecvt<char16_t, char8_t, mbstate_t> and
1587 codecvt<char32_t, char8_t, mbstate_t>.
1588 * include/bits/postypes.h: Add u8streampos
1589 * include/bits/stringfwd.h: Add declarations of
1590 char_traits<char8_t> and u8string.
1591 * include/c_global/cstddef: Add __byte_operand<char8_t>.
1592 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
1594 (path::u8string): Return std::u8string when char8_t support is
1596 (path::generic_u8string): Likewise.
1597 (path::_S_convert): Handle conversion from char8_t input.
1598 (path::_S_str_convert): Likewise.
1599 * include/experimental/string: Add u8string.
1600 * include/experimental/string_view: Add u8string_view,
1601 hash<experimental::u8string_view>, and
1602 operator""sv(const char8_t*, size_t).
1603 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
1604 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
1605 as a character type.
1606 * include/std/limits: Add numeric_limits<char8_t>.
1607 * include/std/string_view: Add u8string_view,
1608 hash<experimental::u8string_view>, and
1609 operator""sv(const char8_t*, size_t).
1610 * include/std/type_traits: Add __is_integral_helper<char8_t>,
1611 __make_unsigned<char8_t>, and __make_signed<char8_t>.
1612 * libsupc++/atomic_lockfree_defines.h: Define
1613 ATOMIC_CHAR8_T_LOCK_FREE.
1614 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
1615 codecvt.cc and limits.cc so that char8_t specializations of
1616 numeric_limits and codecvt and emitted.
1617 * src/c++11/Makefile.in: Likewise.
1618 * src/c++11/codecvt.cc: Define members of
1619 codecvt<char16_t, char8_t, mbstate_t>,
1620 codecvt<char32_t, char8_t, mbstate_t>,
1621 codecvt_byname<char16_t, char8_t, mbstate_t>, and
1622 codecvt_byname<char32_t, char8_t, mbstate_t>.
1623 * src/c++11/limits.cc: Define members of
1624 numeric_limits<char8_t>.
1625 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
1626 locale_init.cc and localename.cc.
1627 * src/c++98/Makefile.in: Likewise.
1628 * src/c++98/locale_init.cc: Add initialization for the
1629 codecvt<char16_t, char8_t, mbstate_t> and
1630 codecvt<char32_t, char8_t, mbstate_t> facets.
1631 * src/c++98/localename.cc: Likewise.
1632 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
1634 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
1636 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
1637 * 27_io/filesystem/operations/resize_file.cc: Likewise.
1638 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
1640 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
1642 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
1643 * doc/html/*: Regenerate.
1645 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
1646 * doc/html/*: Regenerate.
1648 * doc/xml/manual/intro.xml: Document LWG 2586 status.
1649 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
1650 allocator type in is_constructible checks.
1651 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
1652 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
1653 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
1654 problematic type from LWG 2586 discussion.
1655 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
1656 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1658 * configure.ac: Check for C11 timespec_get function.
1659 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
1661 * config.h.in: Regenerate.
1662 * configure: Regenerate.
1663 * include/c_global/ctime (timespec, timespec_get): Add to namespace
1664 std for C++17 and up.
1666 * doc/xml/manual/intro.xml: Document LWG 2537 status.
1667 * include/bits/stl_queue.h
1668 (priority_queue(const Compare&, const Container&, const Alloc&))
1669 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
1671 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
1673 * doc/xml/manual/intro.xml: Document LWG 2566 status.
1674 * include/bits/stl_queue.h (queue, priority_queue): Add static
1675 assertions to enforce LWG 2566 requirement on value_type.
1676 * include/bits/stl_stack.h (stack): Likewise.
1679 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
1681 * doc/xml/manual/intro.xml: Document LWG 2735 status.
1682 * include/bits/std_abs.h: Add comment about LWG 2735.
1683 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
1685 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
1688 * include/std/version [__cpp_impl_destroying_delete]
1689 (__cpp_lib_destroying_delete): Only define for C++2a and later.
1690 * libsupc++/new [__cpp_impl_destroying_delete]
1691 (__cpp_lib_destroying_delete): Likewise.
1692 (destroying_delete_t, destroying_delete): Likewise, but define even
1693 when __cpp_impl_destroying_delete is not defined.
1694 * testsuite/18_support/destroying_delete.cc: New test.
1696 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
1699 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
1700 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
1701 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
1702 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
1704 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
1707 * include/bits/fs_path.h (path::has_root_name)
1708 (path::has_root_directory, path::has_root_path)
1709 (path::has_relative_path, path::has_parent_path)
1710 (path::has_filename, path::has_stem, path::has_extension)
1711 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
1713 * src/c++17/fs_path.cc (path::has_root_name)
1714 (path::has_root_directory, path::has_root_path)
1715 (path::has_relative_path, path::has_parent_path)
1716 (path::has_filename, path::_M_find_extension): Add noexcept.
1718 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
1720 PR libstdc++/89102 (partial)
1721 * include/std/type_traits (common_type<>): Define.
1722 (common_type<T>): Derive from common_type<T, T>.
1723 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
1724 Test zero-length template argument list.
1725 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
1726 Test additional single argument cases.
1727 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
1728 Adjust expected error.
1730 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
1733 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
1735 * include/bits/stl_stack.h (stack): Likewise.
1736 * testsuite/23_containers/priority_queue/deduction.cc: New test.
1737 * testsuite/23_containers/queue/deduction.cc: New test.
1738 * testsuite/23_containers/stack/deduction.cc: New test.
1741 * include/std/type_traits (__is_convertible_helper)
1742 (__is_convertible_helper<_From, _To, false>): Revert changes to
1743 support is_nothrow_convertible.
1744 (__is_nt_convertible_helper): New helper.
1745 (is_nothrow_convertible): Use __is_nt_convertible_helper.
1747 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
1748 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
1751 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
1752 __is_alloc_insertable_impl. Replace single type member with two
1753 members, one for each of copy and move insertable.
1754 (__is_move_insertable): New trait for internal use.
1755 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
1756 (vector::_S_nothrow_relocate(true_type)): New functions to
1757 conditionally check if __relocate_a can throw.
1758 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
1759 on __is_move_insertable.
1760 (vector::_S_do_relocate): New overloaded functions to conditionally
1762 (vector::_S_relocate): New function that dispatches to _S_do_relocate
1763 based on _S_use_relocate.
1764 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1765 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
1766 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
1769 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
1770 parameter unnamed. Add message to static assertion.
1771 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1772 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
1775 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
1778 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
1780 (__is_bitwise_relocatable): ... to this.
1781 (__relocate_a_1): Adapt.
1782 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
1783 (__is_bitwise_relocatable): ... to this.
1785 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
1788 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
1789 final component as well as from _M_pathname. Append the dot using
1790 operator+= instead of only to _M_pathname.
1791 (path::_M_find_extension): Reformat slightly.
1792 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
1793 Add more test cases.
1795 2019-01-30 Ulrich Drepper <drepper@redhat.com>
1797 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
1799 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
1801 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
1802 constexpr specifiers from arg and proj.
1804 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
1805 __shared_ptr instantiations used by gcc4-compatible ABI.
1807 * include/experimental/forward_list (experimental::erase): Qualify
1809 * include/experimental/list (experimental::erase): Likewise.
1810 * include/std/forward_list (std::erase): Likewise.
1811 * include/std/list (std::erase): Likewise.
1813 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
1815 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
1816 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
1817 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
1818 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
1819 * testsuite/ext/array_allocator/26875.cc: Likewise.
1820 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
1821 * testsuite/util/replacement_memory_operators.h: Likewise.
1822 * testsuite/util/testsuite_allocator.h: Likewise.
1824 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
1825 normal mode vector, even for debug mode.
1826 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
1827 Define alias template for normal mode vector.
1829 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
1832 * config/locale/generic/c_locale.h (__convert_from_v)
1833 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
1834 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
1835 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
1836 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
1838 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
1841 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
1842 data member with static member function _S_use_relocate().
1843 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1844 (vector::_M_default_append): Use _S_use_relocate() instead of
1847 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
1850 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
1853 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
1854 write to stderr instead of using printf.
1856 2019-01-21 Jakub Jelinek <jakub@redhat.com>
1859 * include/bits/char_traits.h (__constant_string_p,
1860 __constant_char_array_p): Use __builtin_is_constant_evaluated if
1863 2019-01-20 Ulrich Drepper <drepper@redhat.com>
1865 Implement C++20 P0600r1.
1866 * include/backward/hash_map: Add nodiscard attribute to empty.
1867 * include/backward/hash_set: Likewise.
1868 * backward/hashtable.h: Likewise.
1869 * include/bits/basic_string.h: Likewise.
1870 * include/bits/forward_list.h: Likewise.
1871 * include/bits/hashtable.h: Likewise.
1872 * include/bits/regex.h: Likewise.
1873 * include/bits/stl_deque.h: Likewise.
1874 * include/bits/stl_list.h: Likewise.
1875 * include/bits/stl_map.h: Likewise.
1876 * include/bits/stl_multimap.h: Likewise.
1877 * include/bits/stl_multiset.h: Likewise.
1878 * include/bits/stl_queue.h: Likewise.
1879 * include/bits/stl_set.h: Likewise.
1880 * include/bits/stl_stack.h: Likewise.
1881 * include/bits/stl_tree.h: Likewise.
1882 * include/bits/stl_vector.h: Likewise.
1883 * include/bits/unordered_map.h: Likewise.
1884 * include/bits/unordered_set.h: Likewise.
1885 * include/debug/array: Likewise.
1886 * include/experimental/any: Likewise.
1887 * include/experimental/bits/fs_path.h: Likewise.
1888 * include/experimental/internet: Likewise.
1889 * include/experimental/string_view: Likewise.
1890 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
1892 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
1894 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
1896 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
1898 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
1900 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
1902 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
1904 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
1906 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
1907 info_fn_imps.hpp: Likewise.
1908 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
1909 left_child_next_sibling_heap_.hpp: Likewise.
1910 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
1912 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
1914 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
1916 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
1918 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
1920 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
1922 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
1924 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
1925 * include/ext/pb_ds/trie_policy.hpp: Likewise.
1926 * include/ext/rope: Likewise.
1927 * include/ext/slist: Likewise.
1928 * include/ext/vstring.h: Likewise.
1929 * include/profile/array: Likewise.
1930 * include/std/array: Likewise.
1931 * include/tr1/array: Likewise.
1932 * include/tr1/hashtable.h: Likewise.
1933 * include/tr1/regex: Likewise.
1934 * include/tr2/dynamic_bitset: Likewise.
1935 * include/bits/alloc_traits.h: Add nodiscard attribute to
1937 * include/experimental/memory_resource: Likewise.
1938 * include/ext/alloc_traits.h: Likewise.
1939 * include/ext/array_allocator.h: Likewise.
1940 * include/ext/bitmap_allocator.h: Likewise.
1941 * include/ext/debug_allocator.h: Likewise.
1942 * include/ext/extptr_allocator.h: Likewise.
1943 * include/ext/mt_allocator.h: Likewise.
1944 * include/ext/new_allocator.h: Likewise.
1945 * include/ext/pool_allocator.h: Likewise.
1946 * include/ext/throw_allocator.h: Likewise.
1947 * include/std/scoped_allocator: Likewise.
1948 * libsupc++/eh_alloc.cc: Likewise.
1949 * include/std/future: Add nodiscard attribute to async.
1950 * libsupc++/new: Add nodiscard attribute to new.
1952 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
1957 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
1958 * include/bits/shared_ptr.h
1959 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
1960 (allocate_shared): Change to use new tag type.
1961 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
1962 Declare new member function.
1963 (_Sp_alloc_shared_tag): Define new type.
1964 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
1965 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
1966 _Sp_make_shared_tag::_S_eq to check type_info.
1967 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
1968 Constrain to prevent being called with _Sp_alloc_shared_tag.
1969 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
1970 Replace constructor with ...
1971 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
1972 reference parameter so address of the new object can be returned to
1973 the caller. Obtain the allocator from the tag type.
1974 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
1975 constructor with ...
1976 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
1977 to the __shared_count constructor.
1978 (__allocate_shared): Change to use new tag type.
1979 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
1981 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
1983 * src/c++17/fs_ops.cc
1984 (equivalent(const path&, const path&, error_code&))
1985 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
1986 compare files instead of relying on incomplete info returned by stat.
1989 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
1990 if the path is already absolute.
1991 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
1992 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
1995 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
1996 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
1997 of filesystem::exists.
1998 (create_directories(const path&, error_code&)): Add assertions.
1999 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
2000 Add workaround for bug in _wstat for paths with trailing slash.
2001 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
2002 for expected behaviour on mingw.
2003 * testsuite/experimental/filesystem/operations/create_directories.cc:
2005 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
2006 "TMP" instead of "TMPDIR" and clean environment before each test. Do
2007 not test permissions on mingw targets.
2009 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
2011 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
2012 constructors and open members taking wide strings. Fix patterns for
2013 filesystem::path members to match wstring_view parameters. Add
2014 exports for shared_ptr members used by directory iterators.
2015 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
2016 error code parameter if the file doesn't exist.
2017 * src/filesystem/ops.cc (remove(const path&, error_code&)):
2019 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
2020 values for mingw targets, where "/" is not an absolute path. Do not
2021 test symlinks on mingw targets.
2022 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
2023 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
2025 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
2026 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
2027 that each component of the path is created.
2028 * testsuite/experimental/filesystem/operations/create_directories.cc:
2030 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
2031 permissions on mingw targets.
2032 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
2033 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2034 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
2035 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
2037 * testsuite/experimental/filesystem/operations/permissions.cc:
2039 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
2040 symlinks or permissions on mingw targets.
2041 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
2042 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
2043 symlinks on mingw targets.
2044 * testsuite/experimental/filesystem/operations/remove_all.cc:
2046 * testsuite/27_io/filesystem/operations/status.cc: Do not test
2047 permissions on mingw targets.
2048 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
2049 test symlinks on mingw targets.
2050 * testsuite/experimental/filesystem/operations/space.cc: Fix test
2053 2019-02-14 Ulrich Drepper <drepper@redhat.com>
2056 Warn about unused comparisons of shared_ptr/unique_ptr
2057 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
2058 * include/bits/shared_ptr.h: Use it for operator ==, !=,
2059 <, <=, >, >= for shared_ptr.
2060 * include/bits/unique_ptr.h: Likewise for unique_ptr.
2062 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
2064 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
2065 as 201611L, because P0497R0 changes are supported.
2066 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
2068 * include/bits/erase_if.h [__cplusplus > 201703L]
2069 (__cpp_lib_erase_if): Only define for C++2a.
2070 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2071 (__cpp_lib_null_iterators): Define.
2072 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2073 (__cpp_lib_null_iterators): Define.
2074 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
2076 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
2078 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
2080 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
2081 changes are supported.
2082 * include/std/optional (__cpp_lib_optional): Likewise.
2083 * include/std/variant (__cpp_lib_variant): Likewise.
2084 * include/std/version [!__STRICT_ANSI__]
2085 (__cpp_lib_uncaught_exceptions): Define as long integer.
2086 [__cplusplus >= 201703L] (__cpp_lib_any)
2087 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
2088 (__cpp_lib_variant): Define for C++17.
2089 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
2091 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
2094 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
2096 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
2100 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
2102 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
2105 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2107 * doc/xml/manual/intro.xml: Include new section.
2108 * doc/xml/manual/status_cxx2017.xml: Document more
2109 implementation-defined properties of the library.
2110 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
2111 * doc/html/*: Regenerate.
2113 * include/bits/refwrap.h [__cplusplus > 201703L]
2114 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
2115 (_Reference_wrapper_base_memfun): Do not define for C++2a.
2116 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
2118 (reference_wrapper::operator()): Add static assertion.
2119 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
2121 * include/std/chrono (duration_values::zero(), duration_values::min())
2122 (duration_values::max()): Add noexcept.
2123 (duration::zero(), duration::min(), duration::max()): Likewise.
2124 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
2125 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
2126 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
2128 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
2130 2019-01-11 Jakub Jelinek <jakub@redhat.com>
2132 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
2133 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
2135 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2138 * include/bits/functional_hash.h (hash<nullptr_t>): Define
2139 specialization for C++17 (P0513R0, LWG 2817).
2140 * testsuite/20_util/hash/nullptr.cc: New test.
2143 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
2144 pattern for std::basic_stringbuf::str().
2146 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
2147 basic_ostream::operator<< patterns.
2149 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2151 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
2152 test failures on targets with 32-bit time_t.
2154 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
2155 * include/std/deque: Likewise.
2156 * include/std/forward_list: Likewise.
2157 * include/std/list: Likewise.
2158 * include/std/string: Likewise.
2159 * include/std/vector: Likewise.
2160 * include/std/version: Likewise.
2161 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
2162 * testsuite/23_containers/deque/erasure.cc: Likewise.
2163 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
2164 * testsuite/23_containers/list/erasure.cc: Likewise.
2165 * testsuite/23_containers/map/erasure.cc: Likewise.
2166 * testsuite/23_containers/set/erasure.cc: Likewise.
2167 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2168 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
2169 * testsuite/23_containers/vector/erasure.cc: Likewise.
2171 * include/experimental/internet [AI_NUMERICSERV]
2172 (resolver_base::numeric_service): Define conditionally.
2173 * testsuite/experimental/net/internet/resolver/base.cc: Test it
2175 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
2178 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
2179 Jonathan Wakely <jwakely@redhat.com>
2182 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
2183 (GLIBCXX_3.4.26): Add new exports.
2184 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
2185 correct list of sources.
2186 * include/Makefile.in: Regenerate.
2187 * include/std/ostream (operator<<(nullptr_t)): New member function.
2188 * src/c++17/ostream-inst.cc: New file.
2189 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
2192 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2194 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
2195 of the source file containing the caller.
2196 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
2197 directories created by test.
2198 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2200 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
2202 * testsuite/experimental/filesystem/iterators/
2203 recursive_directory_iterator.cc: Likewise.
2205 2019-01-10 Jakub Jelinek <jakub@redhat.com>
2207 PR tree-optimization/88775
2208 * include/bits/stl_function.h (greater<_Tp*>::operator(),
2209 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
2210 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
2211 instead of __builtin_constant_p if available. Don't bother with
2212 the pointer comparison in C++11 and earlier.
2214 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
2218 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
2221 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
2223 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
2224 for filesystem::path. Give variables more distinctive names.
2226 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
2227 member function to perform non-trivial assignment.
2228 (_Optional_payload_base::_M_move_assign): Likewise.
2229 (_Optional_payload<T, true, false, true>::operator=)
2230 (_Optional_payload<T, true, true, false>::operator=)
2231 (_Optional_payload<T, true, false, false>::operator=): Call
2232 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
2235 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
2236 test std::complex<long double> if long double format is IBM128.
2237 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
2240 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2242 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
2243 for old std::unique_ptr layout.
2244 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
2245 to become valueless. Add filesystem::path tests.
2248 * include/std/optional (_Optional_payload_base): New class template
2249 for common code hoisted from _Optional_payload specializations. Use
2250 a template for the union, to allow a partial specialization for
2251 types with non-trivial destructors. Add constructors for in-place
2252 initialization to the union.
2253 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
2254 to perform non-trivial copy construction, instead of relying on
2255 non-standard copy elision in a delegating constructor.
2256 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
2257 non-trivial move construction.
2258 (_Optional_payload): Derive from _Optional_payload_base and use it
2259 for everything except the non-trivial assignment operators, which are
2261 (_Optional_payload<false, C, M>): Derive from the specialization
2262 _Optional_payload<true, false, false> and add a destructor.
2263 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
2264 Forward to corresponding members of _Optional_payload.
2265 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
2266 Hoist common members from _Optional_base.
2267 (_Optional_base): Make all members and base class public.
2268 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
2269 _Optional_base_impl.
2270 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
2271 support for new std::optional layout.
2272 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
2275 * include/bits/locale_conv.h: Use <> for includes not "".
2276 * include/ext/random: Likewise.
2277 * include/ext/vstring.h: Likewise.
2279 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2281 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
2282 (GLIBCXX_3.4.21): Likewise.
2284 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2287 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
2288 to match the one that controls whether utimbuf and utime are declared.
2290 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
2293 * include/bits/char_traits.h (char_traits::move): Do not pass null
2294 pointers to memmove.
2295 * include/bits/locale_facets.h
2296 (ctype<char>::widen(const char*, const char*, char*)): Do not
2297 pass null pointers to memcpy.
2298 (ctype<char>::narrow(const char*, const char*, char, char*)):
2300 (ctype<char>::do_widen(const char*, const char*, char*)):
2302 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
2305 * doc/xml/manual/spine.xml: Update copyright years.
2306 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
2307 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
2308 for C++17 filesystem library.
2309 * doc/html/*: Regenerate.
2311 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
2312 * config.h.in: Regenerate.
2313 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
2314 alphabetically and add missing entries for copy_symlink,
2315 hard_link_count, rename, and resize_file.
2316 * configure: Regenerate.
2317 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
2318 used unconditionally.
2319 * src/filesystem/ops-common.h (__gnu_posix::truncate)
2320 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
2321 supports truncating to zero length.
2322 * testsuite/27_io/filesystem/operations/all.cc: New test.
2323 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
2325 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
2328 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
2329 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
2330 * config.h.in: Regenerate.
2331 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
2332 remaining std::filesystem types and functions.
2333 * configure: Regenerate.
2334 * src/c++17/Makefile.am: Add C++17 filesystem sources.
2335 * src/c++17/Makefile.in: Regenerate.
2336 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
2337 here, and change name of included file.
2338 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
2339 here, and change name of included file.
2340 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
2341 path to dir-common.h.
2342 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
2343 path to ops-common.h. Disable -Wunused-parameter warnings.
2344 (internal_file_clock): Define unconditionally.
2345 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
2347 (do_copy_file, do_space): Move definitions to ops.common.h.
2348 (copy, file_size, hard_link_count, last_write_time, space): Only
2349 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
2351 (last_write_time, read_symlink): Remove unused attributes from
2353 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
2354 * src/filesystem/Makefile.in: Regenerate.
2355 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
2356 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
2357 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
2358 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
2359 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
2360 dummy types and functions instead of using #error.
2361 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
2362 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
2364 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
2365 (do_copy_file, do_space): Move definitions here from std-ops.cc.
2366 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
2367 to account for new namespace.
2368 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
2369 -lstdc++fs from dg-options.
2370 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
2371 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
2372 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
2373 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
2374 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
2376 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
2377 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2379 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
2380 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
2381 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
2382 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
2383 * testsuite/27_io/filesystem/operations/create_directories.cc:
2385 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
2386 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
2387 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
2388 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
2389 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
2390 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
2391 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2392 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
2393 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
2394 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
2395 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
2396 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
2397 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
2398 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
2399 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
2400 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2401 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2402 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
2404 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
2408 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
2409 typeinfo and vtables less greedy.
2410 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
2411 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
2412 * src/c++17/Makefile.in: Regenerate.
2413 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
2414 here, and change name of included file.
2415 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
2416 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
2418 * src/filesystem/Makefile.in: Regenerate.
2419 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
2420 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
2421 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
2422 from dg-options and remove dg-require-filesystem-ts.
2423 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
2424 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
2425 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
2426 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
2427 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
2428 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
2429 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
2430 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
2431 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
2432 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
2433 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
2434 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
2435 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
2436 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
2437 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
2438 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
2439 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
2440 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
2441 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
2442 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
2443 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
2445 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
2446 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
2447 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
2448 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
2449 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
2450 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
2451 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
2452 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
2453 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
2454 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
2455 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
2456 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
2458 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
2460 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
2462 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
2464 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
2465 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
2466 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
2467 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
2468 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
2469 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
2470 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
2471 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
2472 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
2473 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
2475 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
2476 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
2477 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
2478 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
2479 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
2482 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
2483 Check is_trivially_copyable instead of is_scalar.
2484 (variant::emplace<N, Args>(Args&&...)): If construction of the new
2485 contained value can throw and its type is trivially copyable then
2486 construct into a temporary variant and move from it, to provide the
2487 strong exception safety guarantee.
2488 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
2490 * testsuite/20_util/variant/87431.cc: New test.
2491 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
2492 conversion causes valueless state.
2495 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
2496 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
2497 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
2498 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
2499 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
2501 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
2503 * include/bits/fs_fwd.h (__file_clock): Define new clock.
2504 (file_time_type): Redefine in terms of __file_clock.
2505 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
2507 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
2509 (internal_file_lock): New helper type for accessing __file_clock.
2510 (do_copy_file): Use internal_file_lock to convert system time to
2512 (last_write_time(const path&, error_code&)): Likewise.
2513 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
2515 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
2517 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
2518 for const member functions of std::basic_string.
2519 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
2521 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
2522 Make non-standard constructor private.
2523 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
2525 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
2526 explicit instantiations for C++17 as well as earlier dialects.
2527 * src/c++17/Makefile.am: Add new source files.
2528 * src/c++17/Makefile.in: Regenerate.
2529 * src/c++17/cow-string-inst.cc: New file defining explicit
2530 instantiations for basic_string member functions added in C++17.
2531 * src/c++17/string-inst.cc: Likewise.
2533 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
2534 copy/move constructors for old std::basic_string.
2535 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2536 (basic_string::reference, basic_string::const_reference): Define
2537 as plain references for C++11 and later.
2538 (basic_string::basic_string()): Put constructor body outside
2539 preprocessor conditional groups.
2540 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
2541 instead of copying it.
2542 (basic_string::basic_string(const basic_string&, const _Alloc&)):
2544 (basic_string::basic_string(basic_string&&, const _Alloc&)):
2546 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
2547 cases for old basic_string.
2548 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
2549 allocator-extended constructors unconditionally. Add extra members to
2550 allocator type when using old string ABI.
2551 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
2553 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
2555 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
2556 -fno-inline added to test flags.
2558 * testsuite/21_strings/basic_string/requirements/
2559 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
2561 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
2562 assertion failures with old std::string ABI.
2564 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
2566 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
2567 functions that will only erase elements at the end.
2568 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
2569 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
2570 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
2572 (path::_List::pop_back()): Define.
2573 (path::_List::_M_erase_from(const_iterator)): Define.
2574 (path::operator/=(const path&)): Use pop_back to remove last component
2575 and _M_erase_from to remove multiple components.
2576 (path::_M_append(basic_string_view<value_type>)): Likewise.
2577 (path::operator+=(const path&)): Likewise.
2578 (path::_M_concat(basic_string_view<value_type>)): Likewise.
2579 (path::remove_filename()): Likewise.
2580 (path::lexically_normal()): Use _List::_Impl iterators instead of
2581 path::iterator. Use pop_back to remove components from the end. Clear
2582 trailing filename, instead of using erase(const_iterator) to remove
2583 a non-final component.
2584 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
2586 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
2588 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
2589 incorrect treatment of empty filename after trailing slash.
2590 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
2592 * testsuite/21_strings/basic_string/modifiers/assign/char/
2593 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
2595 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
2596 move_assign_optim.cc: Likewise.
2598 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
2599 Jakub Jelinek <jakub@redhat.com>
2602 * include/experimental/memory: Replace UTF-8 quote characters.
2603 * include/std/future: Replace UTF-8 "em dash" characters.
2605 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
2608 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
2609 * include/debug/forward_list: Likewise.
2610 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
2612 * include/experimental/chrono: Likewise.
2613 * include/experimental/functional: Likewise.
2614 * include/experimental/ratio: Likewise.
2615 * include/experimental/system_error: Likewise.
2616 * include/experimental/tuple: Likewise.
2617 * include/experimental/type_traits: Likewise.
2618 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
2619 * include/parallel/multiseq_selection.h: Likewise.
2622 * config/abi/pre/gnu.ver: Add missing exports.
2623 * testsuite/22_locale/collate_byname/88681.cc: New test.
2624 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
2625 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
2627 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
2629 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
2630 initializer_list<value_type> and from input iterator ranges.
2631 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
2633 * testsuite/experimental/string_view/element_access/char/empty.cc:
2634 Fix year range in copyright header.
2636 2019-01-02 Joel Brobecker <brobecker@adacore.com>
2638 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
2639 Fix year range in copyright header.
2641 2019-01-01 Jakub Jelinek <jakub@redhat.com>
2643 Update copyright years.
2645 Copyright (C) 2019 Free Software Foundation, Inc.
2647 Copying and distribution of this file, with or without modification,
2648 are permitted in any medium without royalty provided the copyright
2649 notice and this notice are preserved.