1 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
3 * include/experimental/bits/fs_path.h: Improve docs.
4 * include/experimental/bits/net.h: Fix wrong header name in comment.
5 Do not document implementation details.
6 * include/experimental/netfwd: Fix doxygen grouping.
8 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
10 * include/bits/stl_pair.h: Improve docs.
11 * include/std/tuple: Likewise.
13 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
15 * include/std/chrono: Improve docs.
16 * include/std/ratio: Do not document implementation details.
17 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
19 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
22 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
23 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
24 (__duration_common_type): New helper.
25 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
26 __duration_common_type.
27 (__timepoint_common_type_wrapper): Replace with ...
28 (__timepoint_common_type): New helper.
29 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
30 Use __time_point_common_type.
31 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
32 (__common_type_impl): If either argument is transformed by decay,
33 use the common_type of the decayed types.
34 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
35 decayed, use __do_common_type_impl to get the common_type.
36 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
37 (__do_member_type_wrapper, __member_type_wrapper)
38 (__expanded_common_type_wrapper): Remove.
39 (__common_type_pack, __common_type_fold): New helpers.
40 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
41 __member_type_wrapper and __expanded_common_type_wrapper.
42 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
43 Test zero-length template argument list.
44 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
45 Test single argument cases and argument types that should decay.
46 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
47 Adjust expected error.
48 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
50 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
51 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
52 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
54 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
56 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
58 Make allocator propagation more consistent for
59 operator+(basic_string) (P1165R1)
60 * include/bits/basic_string.h
61 (operator+(basic_string&&, basic_string&&): Changed resulting
62 allocator to always be the one from the first parameter.
63 * include/bits/basic_string.tcc
64 (operator+(const _CharT*, const basic_string&)): Changed
65 resulting allocator to be SOCCC on the second parameter's allocator.
66 (operator+(_CharT, const basic_string&)): Likewise.
67 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
69 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
72 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
74 * include/bits/regex.h: Improve docs.
75 * include/bits/regex.tcc: Do not document implementation details.
77 * testsuite/19_diagnostics/error_code/hash.cc: New test.
79 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
81 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
82 Add type printer for container types in std::__debug namespace.
83 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
84 (gdb-tests): Use distinct parameters for the type of test and use of
86 (gdb-test): Check for regex test even if 'whatis' test.
87 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
89 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
90 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
91 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
92 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
93 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
94 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
95 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
97 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
99 * include/std/system_error (error_category): Fix comment.
102 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
103 argument is an empty path.
104 (absolute(const path&, error_code&)): Use invalid_argument as error
105 code instead of no_such_file_or_directory.
106 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
107 of non-existent paths and empty paths with both overloads of absolute.
109 * include/std/system_error (error_category, error_code)
110 (error_condition): Improve docs.
111 * libsupc++/exception: Add missing @addtogroup Doxygen command.
112 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
113 to class documentation. Suppress documentation for implementation
115 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
116 Suppress documentation for implementation details.
118 * include/std/system_error (error_code): Remove friend declaration
119 for hash<error_code>.
120 (hash<error_code>::operator()): Use public member functions to access
122 (hash<error_condition>::operator()): Use address of category, not
123 its object representation.
124 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
125 Use public member functions to access value and category.
126 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
128 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
131 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
132 * include/bits/hashtable_policy.h
133 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
134 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
135 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
136 smaller than input value rather than always greater. Preserve
137 _M_next_resize if called with 0 input. Use __builtin_floorl.
138 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
139 elements + number of insertions is greater than _M_next_resize. Start
140 with 11 buckets if not told otherwise. Use __builtin_floorl.
141 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
142 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
143 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
144 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
145 told otherwise. Use __builtin_floorl.
146 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
147 to also validate _Power2_rehash_policy.
148 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
151 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
154 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
158 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
159 overflow warning with -Wpedantic -Wsystem-headers.
161 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
164 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
165 * include/bits/move.h (swap): Remove extra parentheses.
167 * include/experimental/bits/lfts_config.h: Improve doc markup.
168 * include/experimental/optional: Improve docs.
169 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
170 (__constexpr_addressof): Remove.
171 (optional::operator->()): Use std::__addressof().
172 * include/std/optional (optional::operator->()): Adjust whitespace.
173 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
174 that operator-> is still constexpr with overloaded operator&. Change
175 to compile-only test.
176 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
179 * include/bits/shared_ptr.h: Improve docs.
180 * include/bits/shared_ptr_atomic.h: Likewise.
181 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
183 * include/bits/basic_string.h: Fix iterator/index confusion in
185 * include/bits/range_access.h: Fix Doxygen warnings.
186 * include/bits/refwrap.h: Do not document implementation details.
187 (ref, cref): Group docs with reference_wrapper.
188 * include/std/fstream: Fix Doxygen markup.
189 * libsupc++/initializer_list (begin, end): Group docs with
192 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
194 * include/bits/unique_lock.h: Fix/improve doxygen markup.
195 * include/std/mutex: Likewise.
196 * include/std/shared_mutex: Likewise.
198 * include/bits/fs_dir.h: Fix/improve doxygen markup.
199 * include/bits/fs_fwd.h: Likewise.
200 * include/bits/fs_ops.h: Likewise.
201 * include/bits/fs_path.h: Likewise.
202 * include/std/filesystem: Likewise.
204 * include/experimental/bits/net.h: Fix/improve doxygen markup.
205 * include/experimental/buffer: Likewise.
206 * include/experimental/executor: Likewise.
207 * include/experimental/internet: Likewise.
208 * include/experimental/io_context: Likewise.
209 * include/experimental/net: Likewise.
210 * include/experimental/netfwd: Likewise.
211 * include/experimental/socket: Likewise.
212 * include/experimental/timer: Likewise.
214 * doc/doxygen/doxygroups.cc: Move description of experimental group
216 * include/experimental/algorithm: Add to libfund-ts doc group.
217 * include/experimental/any: Likewise. Do not document implementation
219 * include/experimental/array: Add to libfund-ts doc group.
220 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
221 for Library Fundamentals.
222 * include/experimental/chrono: Add to libfund-ts doc group.
223 * include/experimental/deque: Likewise.
224 * include/experimental/forward_list: Likewise.
225 * include/experimental/functional: Likewise.
226 * include/experimental/iterator: Likewise.
227 * include/experimental/list: Likewise.
228 * include/experimental/map: Likewise.
229 * include/experimental/memory: Likewise.
230 * include/experimental/memory_resource: Likewise. Improve docs.
232 * include/experimental/numeric: Add to libfund-ts doc group.
233 * include/experimental/optional: Likewise.
234 * include/experimental/propagate_const: Likewise.
235 * include/experimental/random: Likewise.
236 * include/experimental/ratio: Likewise.
237 * include/experimental/regex: Likewise.
238 * include/experimental/set: Likewise.
239 * include/experimental/source_location: Likewise.
240 * include/experimental/string: Likewise.
241 * include/experimental/string_view: Likewise.
242 * include/experimental/system_error: Likewise.
243 * include/experimental/tuple: Likewise.
244 * include/experimental/type_traits: Likewise.
245 * include/experimental/unordered_map: Likewise.
246 * include/experimental/unordered_set: Likewise.
247 * include/experimental/utility: Likewise.
248 * include/experimental/vector: Likewise.
249 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
250 * testsuite/experimental/array/neg.cc: Adjust dg-error.
251 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
253 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
254 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
255 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
256 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
257 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
259 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
260 * include/experimental/bits/fs_fwd.h: Improve docs.
261 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
262 * include/experimental/bits/fs_path.h: Likewise.
263 (path, filesystem_error, u8path): Improve docs.
264 * include/experimental/filesystem: Link to docs for TS.
266 * config/allocator/new_allocator_base.h (__allocator_base): Add
267 workaround for Doxygen bug #6945.
268 * include/std/memory: Improve docs. Define group for pointer safety.
269 * include/std/scoped_allocator: Improve docs. Use "undocumented"
270 conditional to suppress documentation for implementation details.
272 * include/bits/specfun.h: Improve docs.
273 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
276 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
277 (std::experimental): Add docs.
278 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
279 namespace to nothing when generating docs.
280 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
281 * include/std/chrono (std::chrono): Likewise.
282 * include/std/functional (std::placeholders): Likewise.
283 * include/std/thread (std::this_thread): Likewise.
285 * include/parallel/settings.h: Fix Doxygen markup.
287 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
288 anything unless PB_DS_CLASS_C_DEC is defined.
289 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
290 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
291 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
292 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
293 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
294 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
295 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
297 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
298 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
299 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
300 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
301 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
302 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
303 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
304 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
305 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
306 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
307 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
309 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
310 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
312 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
315 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
316 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
317 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
320 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
322 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
323 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
324 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
325 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
326 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
327 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
329 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
330 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
333 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
336 * include/std/complex (__complex_proj): Return parameter unchanged.
337 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
338 floating-point types to take std::complex arguments.
339 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
340 floating-point types.
341 * testsuite/26_numerics/complex/proj.cc: New test.
343 2019-04-30 Jakub Jelinek <jakub@redhat.com>
345 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
346 to _Lock_policyE[012].
347 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
349 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
351 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
352 macros accidentally left in.
353 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
354 unnecessary -lstdc++fs option. Fix test for mingw.
355 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
358 2019-04-30 Jakub Jelinek <jakub@redhat.com>
360 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
362 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
364 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
366 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
367 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
370 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
372 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
375 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
376 class template and partial specialization.
379 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
381 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
382 functions to convert a value to an integral type.
383 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
384 (fill_n): Convert _Size parameter to an integral type.
385 * testsuite/25_algorithms/fill_n/87982.cc: New test.
386 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
387 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
388 * testsuite/25_algorithms/generate_n/87982.cc: New test.
389 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
390 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
392 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
394 Adding noexcept-specification on tuple constructors (LWG 2899)
395 * libstdc++-v3/include/std/tuple:
396 (tuple()): Add noexcept-specification.
397 (tuple(const _Elements&...)): Likewise
398 (tuple(_UElements&&...)): Likewise
399 (tuple(const tuple<_UElements...>&)): Likewise
400 (tuple(tuple<_UElements...>&&)): Likewise
401 (tuple(const _T1&, const _T2&)): Likewise
402 (tuple(_U1&&, _U2&&)): Likewise
403 (tuple(const tuple<_U1, _U2>&): Likewise
404 (tuple(tuple<_U1, _U2>&&): Likewise
405 (tuple(const pair<_U1, _U2>&): Likewise
406 (tuple(pair<_U1, _U2>&&): Likewise
407 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
409 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
412 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
413 arguments with __restrict.
415 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
417 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
419 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
421 * include/experimental/bits/fs_path.h
422 (path::_S_convert_loc<_InputIterator>): Create const std::string to
423 avoid redundant call to _S_convert_loc with non-const pointers.
425 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
426 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
427 * testsuite/21_strings/basic_string/hash/hash.cc
428 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
429 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
430 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
432 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
433 wstring::_M_replace_dispatch with more specific patterns.
434 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
435 Create const std::string to avoid redundant call to _S_convert_loc
436 with non-const pointers.
437 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
438 avoid unnecessary basic_string::assign instantiations.
440 * include/std/memory (__uses_alloc_args): Add string-literal to
441 static_assert, to match the one in __uses_alloc.
442 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
443 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
444 for recursive uses-allocator construction of nested pairs.
445 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
448 2019-04-26 Jakub Jelinek <jakub@redhat.com>
450 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
451 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
452 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
453 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
455 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
456 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
457 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
458 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
459 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
460 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
461 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
463 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
466 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
467 * include/std/scoped_allocator [__cplusplus > 201703L]
468 (scoped_allocator_adaptor::construct): Define in terms of
469 uses_allocator_construction_args, as per P0591R4.
470 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
471 * testsuite/util/testsuite_allocator.h: Remove name of unused
474 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
476 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
477 * doc/html/*: Regenerate.
479 * include/bits/fs_path.h (operator<, operator<=, operator>)
480 (operator>=, operator==, operator!=): Make hidden friends, as per
482 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
484 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
486 * include/std/any (any::any(ValueType&&)): Use __and_v.
487 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
490 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
492 * include/std/type_traits (__result_of_memfun): Use remove_reference
493 instead of __remove_cvref_t and remove redundant is_same check.
494 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
496 * include/experimental/string_view (basic_string_view::pointer)
497 (basic_string_view::reference): Fix to refer to non-const value_type.
498 * include/bits/basic_string.h (basic_string): Use __sv_check and
499 __sv_limit instead of basic_string_view::_M_check and
500 basic_string_view::_M_limit.
501 * include/std/string_view (__sv_check, __sv_limit): New
502 helper functions to replace basic_string_view::_M_check and
503 basic_string_view::_M_limit.
504 (basic_string_view): Add static assertions to enforce ill-formed
505 requirement for traits_type::char_type from P1148R0, and to enforce
506 required properties of char-like types.
507 (basic_string_view::pointer, basic_string_view::reference): Fix to
508 refer to non-const value_type.
509 (basic_string_view::operator[], basic_string_view::at)
510 (basic_string_view::front, basic_string_view::back)
511 (basic_string_view::data): Use const_reference and const_pointer
512 typedefs for return types.
513 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
514 (hash<wstring_view>): Fix argument_type typedef.
515 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
516 char/1.cc: Fix expected return type of basic_string_view::data().
517 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
518 wchar_t/1.cc: Likewise.
519 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
521 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
522 wchar_t/1.cc: Likewise.
523 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
525 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
526 Check reference and pointer typedefs.
527 * testsuite/experimental/string_view/requirements/typedefs.cc:
529 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
530 Fix expected return type of basic_string_view::data().
531 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
533 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
535 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
539 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
540 Avoid a runtime check for types that can never be stored in std::any.
541 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
544 PR libstdc++/90220 (partial)
545 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
546 not attempt ill-formed static_cast to pointers to non-object types.
547 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
550 * testsuite/20_util/variant/run.cc: Catch exception by reference to
551 prevent -Wcatch-value warning.
553 * include/std/variant (__variant_construct): Use template parameter
554 type instead of equivalent decltype-specifier.
555 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
556 Replace forward with move.
557 (_Move_ctor_base<false, Types...>::_M_destructive_move)
558 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
559 (_Move_ctor_base<true, Types...>::_M_destructive_move)
560 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
561 index after construction succeeds.
562 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
563 if-constexpr checks that are always true. Use __remove_cvref_t instead
564 of remove_reference so that is_nothrow_move_constructible check
565 doesn't use a const rvalue parameter. In the potentially-throwing case
566 construct a temporary and move assign it, as per LWG 2904.
567 (_Move_assign_base<false, Types...>::operator=): Remove redundant
568 if-constexpr checks that are always true. Use emplace as per LWG 2904.
569 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
570 construct a temporary and move assign from it, as per LWG 2904.
571 * testsuite/20_util/variant/exception_safety.cc: Check that
572 assignment operators have strong exception safety guarantee.
574 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
576 Document PSTL linker flags
578 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
580 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
582 * include/std/variant (__detail::__variant::_Traits): Make
583 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
584 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
586 (__detail::__variant::_Copy_assign_alias): Only depend on
587 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
588 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
589 move assignment operators.
592 * include/std/variant (variant::__not_self): New helper for the
593 is_same_v<remove_cvref_t<T>, variant>==false constraints.
594 (variant::__to_type_impl): Remove.
595 (variant::__to_type): Add default argument to check pack size, instead
596 of using __to_type_impl.
597 (variant::__accepted_type): Add default argument using __not_self.
598 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
599 for variant(T&&) constructor constraint.
600 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
601 Extract __accepted_type into a named template parameter for reuse in
602 other constraints and in the exception specification.
603 (variant::variant(in_place_type_t<T>, Args&&...))
604 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
605 (variant::variant(in_place_index_t<T>, Args&&...))
606 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
607 (variant::operator=T&&)): Remove redundant && from trait arguments.
608 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
609 isn't used for in_place_type or in_place_index arguments.
611 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
612 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
613 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
615 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
616 Bernd Edlinger <bernd.edlinger@hotmail.de>
617 Jakub Jelinek <jakub@redhat.com>
620 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
621 general-regs-only target attribute for ARM.
623 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
626 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
627 specialization also depend on is_nothrow_move_constructible.
628 * include/std/variant (__detail::__variant::__never_valueless()):
629 Only true if the variant would have a move assignment operator.
630 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
631 Check __never_valueless<T...>().
632 (variant::emplace): Only perform non-throwing move assignments
633 for never-valueless alternatives if the variant has a move assignment
635 * testsuite/20_util/variant/compile.cc: Check that never-valueless
636 types can be emplaced into non-assignable variants.
637 * testsuite/20_util/variant/run.cc: Check that never-valueless types
638 don't get copied when emplaced into non-assignable variants.
640 * include/std/variant (__detail::__variant::__ref_cast): Remove
642 (__detail::__variant::_Uninitialized::_M_get)
643 (__detail::__variant::__get)
644 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
646 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
648 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
650 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
651 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
652 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
653 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
655 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
657 Delegate PSTL configuration to pstl/pstl_config.h
659 * include/bits/c++config: Remove explicit PSTL configuration
660 macros and use definitions from <pstl/pstl_config.h>.
662 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
664 Cleanup algorithm implementations
665 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
667 (mismatch): Forward execution policy.
668 (equal): Qualify call to std::equal().
669 (partial_sort): Forward execution policy.
670 (inplace_merge): Forward execution policy.
672 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
674 Improve implementation of parallel equal()
675 * include/pstl/algorithm_impl.h
676 (__internal::__brick_equal): use "4 iterator" version of
678 (__internal::__brick_equal): use simd for random access
679 iterators on unsequenced execution policies.
680 (__internal::__pattern_equal): add "4 iterator" version
681 (__internal::__pattern_equal): dispatch to simd __brick_equal
682 for vector-only execution policies.
683 (__internal::__pattern_equal): dispatch to __parallel_or for
684 parallel execution policies.
685 * include/pstl/glue_algorithm_impl.h
686 (std::equal): dispatch to "4 iterator" version of
687 __internal::__pattern_equal().
689 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
692 * include/bits/forward_list.h (operator==): Do not use operator!= to
694 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
695 earlier in the list, so that sort is stable.
696 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
697 * testsuite/23_containers/forward_list/comparable.cc: Test with
698 types that meet the minimum EqualityComparable and LessThanComparable
699 requirements. Remove irrelevant comment.
701 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
702 Do not depend on whether all alternative types are move constructible.
703 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
704 from the operand when deciding whether to perform the assignment.
705 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
706 with deleted move constructor and deleted move assignment operator.
707 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
708 behaviour of variants with DeletedMoves as an alternative.
709 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
710 (move_ctor, move_assign): Check that moving a variant with a
711 DeletedMoves alternative falls back to copying instead of moving.
713 * testsuite/20_util/variant/compile.cc: Remove empty string literals
714 from static_assert declarations.
716 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
717 actually match its name.
718 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
719 (test_swap()): Fix result for MoveCtorOnly and check
722 * include/std/optional (optional::value_or(U&&) &&): Add missing
724 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
725 for disengaged optionals and rvalue optionals.
726 * testsuite/20_util/optional/observers/4.cc: Likewise.
728 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
730 * include/pstl/algorithm_impl.h: Uglify identfiers.
731 * include/pstl/numeric_impl.h: Uglify identfiers.
732 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
734 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
736 * include/bits/c++config:
737 Add definition for __PSTL_ASSERT.
738 Add definition for __PSTL_ASSERT_MSG.
739 * include/pstl/algorithm_impl.h: Replace use of assert().
740 * include/pstl/numeric_impl.h: Replace use of assert().
741 * include/pstl/parallel_backend_tbb.h:
742 Replace use of assert().
743 Replace use of __TBB_ASSERT().
744 * include/pstl/parallel_backend_utils.h: Replace use of assert().
746 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
749 * src/c++17/memory_resource.cc
750 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
751 needed to allow placing a _Chunk at the end of the buffer.
752 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
754 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
756 * doc/xml/faq.xml: Add information about emergency EH pool.
757 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
758 Move outdated information on mt_allocator to a separate section.
759 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
760 doesn't affect the default allocator.
762 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
766 * testsuite/20_util/variant/89851.cc: New test.
768 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
770 * include/std/variant: Adjust whitespace. Add comments.
771 (_Multi_array): Leave primary template undefined.
772 (_Multi_array<_Tp>): Define partial specialization for base case of
774 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
775 which is always a reference.
776 (__gen_vtable::_S_apply()): Remove function, inline body into
777 default member initializer.
778 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
780 * include/std/variant (__variant_idx_cookie): Add member type.
781 (__visitor_result_type): Remove.
782 (__do_visit): Use invoke_result instead of __visitor_result_type.
783 * testsuite/20_util/variant/visit.cc: New test.
786 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
788 * testsuite/20_util/variant/90008.cc: New test.
790 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
792 * include/pstl/algorithm_impl.h: Add namespace qualification.
793 * include/pstl/execution_defs.h: Add namespace qualification.
794 * include/pstl/execution_impl.h: Add namespace qualification.
795 * include/pstl/numeric_impl.h: Add namespace qualification.
796 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
797 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
798 * include/pstl/parallel_backend_utils.h: Include <cassert>.
800 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
802 Fix visit<R> for variant.
803 * include/std/variant (__do_visit): Add a template parameter
804 for enforcing same return types for visit.
805 (__gen_vtable_impl): Likewise.
806 (_S_apply_single_alt): Adjust.
807 (__visit_invoke_impl): New. Handle casting to void.
808 (__do_visit_invoke): New. Enforces same return types.
809 (__do_visit_invoke_r): New. Converts return types.
810 (__visit_invoke): Adjust.
811 (__gen_vtable): Add a template parameter for enforcing
812 same return types for visit.
813 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
814 different return types.
815 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
816 visitors with different return types don't accidentally
817 compile with regular visitation.
819 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
821 * testsuite/27_io/filesystem/iterators/caching.cc: Add
822 dg-require-filesystem-ts.
824 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
826 * doc/xml/manual/status_cxx2020.xml: Update status.
827 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
828 * testsuite/20_util/variant/visit_r.cc: New test.
830 * include/bits/fs_dir.h (directory_iterator::operator*)
831 (directory_iterator::operator->): Add noexcept.
832 (operator==, operator!=): Replace namespace-scope equality operators
833 for directory iterators with hidden friends.
836 * config/abi/pre/gnu.ver: Add missing exports.
837 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
840 * config/abi/pre/gnu.ver: Export new symbols.
841 * include/bits/fs_dir.h (recursive_directory_iterator::options())
842 (recursive_directory_iterator::recursion_pending())
843 (recursive_directory_iterator::disable_recursion_pending()): Remove
844 inline definitions. Make noexcept.
845 (recursive_directory_iterator::depth())
846 (recursive_directory_iterator::operator*())
847 (recursive_directory_iterator::operator->()): Make noexcept.
848 (recursive_directory_iterator::_M_options)
849 (recursive_directory_iterator::_M_pending): Remove data members.
850 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
851 (recursive_directory_iterator::recursive_directory_iterator): Remove
852 ctor-initializer. Use new constructor for _Dir_stack.
853 (recursive_directory_iterator::options())
854 (recursive_directory_iterator::recursion_pending())
855 (recursive_directory_iterator::disable_recursion_pending()): Add
856 non-inline definitions.
857 (recursive_directory_iterator::depth()): Make noexcept.
858 (recursive_directory_iterator::increment(error_code&))
859 (recursive_directory_iterator::pop(error_code&)): Adjust to new
860 location of options and recursion_pending members.
861 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
862 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
863 user-declared move constructor and assignment operator, to make the
866 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
867 d_type == DT_UNKNOWN immediately.
868 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
870 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
872 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
874 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
875 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
878 PR libstdc++/87431 (again)
879 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
880 Define partial specialization for basic_string.
881 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
882 shared_ptr and weak_ptr.
883 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
885 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
887 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
889 * include/debug/vector (_Never_valueless_alt): Likewise for debug
891 * include/std/any (_Never_valueless_alt): Define explicit
892 specialization for any.
893 * include/std/variant (_Never_valueless_alt): Define primary template.
894 (__never_valueless): Use _Never_valueless_alt instead of
895 is_trivially_copyable.
896 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
897 initializations to avoid try-catch overhead. Add special case for
898 scalars produced by potentially-throwing conversions. Use
899 _Never_valueless_alt instead of is_trivially_copyable for the
900 remaining strong exception-safety cases.
901 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
902 * testsuite/20_util/variant/87431.cc: Run both test functions.
903 * testsuite/20_util/variant/exception_safety.cc: New test.
904 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
905 so the variant becomes valueless.
907 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
910 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
912 (variant::emplace<_Tp>): Return result of emplace<N> directly.
914 * include/std/string (__hash_string_base): New class template defining
915 operator() for hashing strings.
916 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
917 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
918 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
919 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
921 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
923 Use single-visitation in variant assignment and swap and relops.
924 Also use indices instead of types when checking whether
925 variants hold the same thing.
926 * include/std/variant (__do_visit): Add a template parameter
927 for index visitation, invoke with indices if index visitation
929 (__variant_idx_cookie): New.
930 (__visit_with_index): Likewise.
931 (_Copy_assign_base::operator=): Do single-visitation with
933 (_Move_assign_base::operator=): Likewise.
934 (_Extra_visit_slot_needed): Adjust.
935 (__visit_invoke): Call with indices if it's an index visitor.
936 (relops): Do single-visitation with an index visitor.
938 (__visitor_result_type): New.
940 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
942 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
944 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
946 Don't revisit a variant we are already visiting.
947 * include/std/variant (__variant_construct_single): New.
948 (__variant_construct): Use it.
949 (_M_destructive_move): Likewise.
950 (_M_destructive_copy): Likewise.
951 (_Copy_assign_base::operator=): Adjust.
952 (_Move_assign_base::operator=): Likewise.
955 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
958 * include/bits/hashtable.h (_Hashtable): Move static assertions to
959 destructor so they are not evaluated until the _Key type is complete.
960 * include/bits/stl_tree.h (_Rb_tree): Likewise.
961 * testsuite/23_containers/set/85965.cc: New test.
962 * testsuite/23_containers/unordered_set/85965.cc: New test.
963 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
964 with regexp matching the corresponding _Rb_tree specialization.
965 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
966 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
967 * testsuite/23_containers/set/48101_neg.cc: Likewise.
968 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
969 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
970 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
971 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
973 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
976 Fix based on a suggestion by Antony Polukhin.
977 * include/std/variant (__never_valueless): New.
979 (_Extra_visit_slot_needed): New.
980 (_Multi_array): Use it.
981 (_S_apply_all_alts): Likewise.
983 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
986 Fix based on a suggestion by Antony Polukhin.
987 * include/std/variant (__gen_vtable): Don't reserve an
988 additional table slot, _Multi_array already does that.
990 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
993 Fix based on a suggestion by Antony Polukhin.
994 * include/std/variant (__variant_construct): Capture a pointer
995 to the storage and visit just one variant.
997 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
999 * doc/xml/manual/backwards_compatibility.xml: Remove link to
1000 Doxygen-generated pages with unstable URL.
1001 * doc/xml/manual/concurrency_extensions.xml: Likewise.
1002 * doc/xml/manual/extensions.xml: Likewise.
1003 * doc/xml/manual/parallel_mode.xml: Likewise.
1004 * doc/xml/manual/support.xml: Likewise.
1006 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
1007 avoid -Wconversion warnings.
1009 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
1011 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
1012 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
1013 (allstamped): Add stamp-pstl.
1014 (install-headers): Add ptsl_builddir.
1015 * include/Makefile.in: Regenerate.
1016 * include/bits/c++config: Add pstl configuration.
1017 * include/pstl/LICENSE.txt: New file.
1018 * include/pstl/algorithm_fwd.h: New file.
1019 * include/pstl/algorithm_impl.h: New file.
1020 * include/pstl/execution_defs.h: New file.
1021 * include/pstl/execution_impl.h: New file.
1022 * include/pstl/glue_algorithm_defs.h: New file.
1023 * include/pstl/glue_algorithm_impl.h: New file.
1024 * include/pstl/glue_execution_defs.h: New file.
1025 * include/pstl/glue_memory_defs.h: New file.
1026 * include/pstl/glue_memory_impl.h: New file.
1027 * include/pstl/glue_numeric_defs.h: New file.
1028 * include/pstl/glue_numeric_impl.h: New file.
1029 * include/pstl/memory_impl.h: New file.
1030 * include/pstl/numeric_fwd.h: New file.
1031 * include/pstl/numeric_impl.h: New file.
1032 * include/pstl/parallel_backend.h: New file.
1033 * include/pstl/parallel_backend_tbb.h: New file.
1034 * include/pstl/parallel_backend_utils.h: New file.
1035 * include/pstl/parallel_impl.h: New file.
1036 * include/pstl/pstl_config.h: New file.
1037 * include/pstl/unseq_backend_simd.h: New file.
1038 * include/pstl/utils.h: New file.
1039 * include/std/algorithm: Include parallel algorithm implementations.
1040 * include/std/execution: New file.
1041 * include/std/memory: Include parallel algorithm implementations.
1042 * include/std/numeric: Include parallel algorithm implementations.
1043 * include/std/version: Add parallel algorithms feature test macro.
1044 * testsuite/util/pstl/pstl_test_config.h: New file.
1045 * testsuite/util/pstl/test_utils.h: New file.
1046 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1047 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1048 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1049 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1050 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1051 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1052 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1053 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1054 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1055 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1056 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1057 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1058 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1059 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1060 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1061 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1062 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1063 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1064 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1065 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1066 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1067 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1068 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1069 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1070 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1071 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1072 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1073 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1074 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1075 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1076 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1077 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1078 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1079 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1080 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1081 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1082 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1083 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1084 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1085 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1086 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1087 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1088 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1089 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1090 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1091 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1092 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1093 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1094 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1095 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1096 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1097 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1098 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1099 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
1100 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
1101 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
1102 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
1103 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
1104 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
1105 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
1106 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
1107 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
1108 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
1109 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
1110 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
1111 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
1112 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
1113 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
1114 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
1115 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
1116 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
1117 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
1118 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
1119 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
1120 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
1121 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
1122 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
1123 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
1124 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
1125 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
1126 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
1127 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
1128 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
1129 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
1130 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
1131 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
1132 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
1133 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
1134 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
1135 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
1136 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
1137 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
1138 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
1139 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
1140 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
1141 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
1142 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
1143 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
1144 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
1145 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
1146 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
1147 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
1148 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
1149 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
1150 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
1151 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
1153 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
1155 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
1156 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
1157 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
1158 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
1159 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
1160 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
1161 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
1162 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
1163 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
1164 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
1165 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
1166 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
1167 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
1168 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
1169 when the special functions IS is enabled, not for C++17.
1170 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
1172 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
1173 without checks for special functions in C++17.
1174 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
1178 * include/backward/hash_map: Use <> for includes not "".
1179 * include/backward/hash_set: Likewise.
1180 * include/backward/strstream: Likewise.
1181 * include/tr1/bessel_function.tcc: Likewise.
1182 * include/tr1/exp_integral.tcc: Likewise.
1183 * include/tr1/legendre_function.tcc: Likewise.
1184 * include/tr1/modified_bessel_func.tcc: Likewise.
1185 * include/tr1/riemann_zeta.tcc: Likewise.
1187 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
1189 * doc/xml/manual/allocator.xml: Link to table documenting evolution
1190 of extension allocators.
1191 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
1192 Document new headers in 7.2, 8.1 and 9.1 releases.
1193 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
1194 * doc/html/*: Regenerate.
1196 2019-03-12 John David Anglin <dave.anglin@bell.net>
1199 * testsuite/lib/libstdc++.exp: Locate libatomic.
1200 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
1201 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
1203 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1204 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
1205 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
1206 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
1208 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
1211 * configure.ac: Check for sockatmark.
1212 * crossconfig.m4: Check for sockatmark.
1213 * config.h.in: Regenerate.
1214 * configure: Regenerate.
1215 * include/experimental/internet (address_v4::_S_hton): Rename
1216 overloaded functions to _S_hton_16 and _S_ntoh_16.
1217 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
1218 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
1219 * include/experimental/socket (basic_socket::at_mark): Check
1220 _GLIBCXX_HAVE_SOCKATMARK.
1222 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
1223 const variables instead of macros.
1226 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
1227 Use correct type for len_aligned.
1228 * testsuite/20_util/hash/89629.cc: New test.
1230 2019-03-11 Jakub Jelinek <jakub@redhat.com>
1233 * include/std/atomic (atomic<T>::store, atomic<T>::load,
1234 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
1235 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
1236 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
1237 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
1238 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
1239 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
1240 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
1241 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
1242 memory_order_seq_cst to int.
1244 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
1246 * doc/xml/manual/using.xml: Use link element instead of xref.
1247 * doc/html/*: Regenerate.
1249 * include/bits/fs_path.h (path::format): Add fixed underlying type.
1251 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
1254 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
1255 parameters in deduction guides.
1256 * include/debug/multimap.h (multimap): Likewise.
1257 * include/debug/set.h (multimap): Likewise.
1258 * include/debug/multiset.h (multimap): Likewise.
1259 * include/debug/unordered_map (unordered_map): Likewise.
1260 (unordered_multimap): Likewise.
1261 * include/debug/unordered_set (unordered_set): Likewise.
1262 (unordered_multiset): Likewise.
1265 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
1266 Invalidate all iterators in case of rehash.
1267 (unordered_multimap<>::_M_check_rehashed): Likewise.
1268 * include/debug/unordered_set
1269 (unordered_set<>::_M_check_rehashed): Likewise.
1270 (unordered_multiset<>::_M_check_rehashed): Likewise.
1271 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
1273 2019-03-07 Andreas Schwab <schwab@suse.de>
1275 * config/abi/post/riscv64-linux-gnu: New directory.
1276 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
1278 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
1280 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
1281 compile test to run. Fix typo.
1283 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
1284 * doc/html/*: Regenerate.
1286 P0356R5 Simplified partial function application
1287 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
1288 helpers for bind_front.
1289 (bind_front, __cpp_lib_bind_front): Define.
1290 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
1292 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1294 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
1295 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
1296 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
1297 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1299 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
1301 PR libstdc++/86655 - std::assoc_legendre should not constrain
1302 the value of m (or x).
1303 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
1304 __sph_legendre): If degree > order Don't throw, return 0.
1305 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
1306 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
1307 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
1308 * testsuite/tr1/5_numerical_facilities/special_functions/
1309 02_assoc_legendre/pr86655.cc: New test.
1310 * testsuite/tr1/5_numerical_facilities/special_functions/
1311 22_sph_legendre/pr86655.cc: New test.
1313 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
1316 Also PR libstdc++/85517
1317 * include/std/variant (__do_visit): New.
1318 (__variant_cast): Likewise.
1319 (__variant_cookie): Likewise.
1320 (__erased_*): Remove.
1321 (_Variant_storage::_S_vtable): Likewise.
1322 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
1323 (_Variant_storage::__M_reset): Adjust.
1324 (__variant_construct): New.
1325 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
1326 __variant_construct.
1327 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
1328 (_Move_ctor_base::__M_destructive_copy): New.
1329 (_Move_ctor_base::__M_destructive_move): Adjust to use
1330 __variant_construct.
1331 (_Copy_assign_base::operator=): Adjust to use __do_visit.
1332 (_Copy_assign_alias): Adjust to check both copy assignment
1333 and copy construction for triviality.
1334 (_Move_assign_base::operator=): Adjust to use __do_visit.
1335 (_Multi_array): Add support for visitors that accept and return
1337 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
1338 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
1339 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
1340 a __variant_cookie temporary for a variant that is valueless and..
1341 (__gen_vtable_impl::__visit_invoke): ..adjust here.
1342 (__gen_vtable::_Array_type): Conditionally make space for
1343 the __variant_cookie visitor case.
1344 (__variant_construct_by_index): New.
1345 (get_if): Adjust to use std::addressof.
1346 (relops): Adjust to use __do_visit.
1347 (variant): Add __variant_cast and __variant_construct_by_index
1349 (variant::emplace): Use _M_reset() and __variant_construct_by_index
1350 instead of self-destruction.
1351 (variant::swap): Adjust to use __do_visit.
1352 (visit): Reimplement in terms of __do_visit.
1353 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
1354 * testsuite/20_util/variant/compile.cc: Adjust.
1355 * testsuite/20_util/variant/run.cc: Likewise.
1357 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
1359 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
1361 * testsuite/experimental/feat-char8_t.cc: Likewise.
1363 * include/std/type_traits [C++20] (is_bounded_array)
1364 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
1366 * testsuite/20_util/is_bounded_array/requirements/
1367 explicit_instantiation.cc: New test.
1368 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
1370 * testsuite/20_util/is_bounded_array/value.cc: New test.
1371 * testsuite/20_util/is_unbounded_array/requirements/
1372 explicit_instantiation.cc: New test.
1373 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
1375 * testsuite/20_util/is_unbounded_array/value.cc: New test.
1377 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
1379 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
1381 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
1383 * include/c_compatibility/math.h [C++20] (lerp): Add using
1385 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
1386 (__lerp): Define function template to implement lerp.
1387 (lerp(float, float, float), lerp(double, double, double))
1388 (lerp(long double, long double, long double)): Define for C++20.
1389 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
1390 (midpoint(T, T), midpoint(T*, T*)): Define.
1391 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
1392 * testsuite/26_numerics/lerp.cc: New test.
1393 * testsuite/26_numerics/midpoint/floating.cc: New test.
1394 * testsuite/26_numerics/midpoint/integral.cc: New test.
1395 * testsuite/26_numerics/midpoint/pointer.cc: New test.
1397 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
1399 PR libstdc++/88996 Implement P0439R0
1400 Make std::memory_order a scoped enumeration.
1401 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
1402 add variables for the old enumerators. Adjust calls.
1403 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
1404 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
1406 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
1408 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
1411 * include/std/memory_resource (polymorphic_allocator): Add default
1412 template argument for C++20.
1413 (polymorphic_allocator::allocate_bytes)
1414 (polymorphic_allocator::deallocate_bytes)
1415 (polymorphic_allocator::allocate_object)
1416 (polymorphic_allocator::deallocate_object)
1417 (polymorphic_allocator::new_object)
1418 (polymorphic_allocator::delete_object): New member functions for
1420 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
1423 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
1426 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
1429 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
1431 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
1432 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
1434 * include/std/memory (uses_allocator_construction_args): New set of
1435 overloaded functions.
1436 (make_obj_using_allocator, uninitialized_construct_using_allocator):
1438 * include/std/memory_resource (polymorphic_allocator::construct)
1439 [__cplusplus > 201703l]: Replace all overloads with a single function
1440 using uses_allocator_construction_args.
1441 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
1443 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
1445 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
1448 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
1449 stylesheet directories before check for xsltproc. Try to use
1450 xmlcatalog to find local stylesheet directory before trying hardcoded
1451 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
1452 check to look for the same stylesheet as doc/Makefile.am uses. Don't
1453 use xsltproc if xmlcatalog fails to find a local stylesheet.
1454 * configure.ac: Check for xmlcatalog.
1455 * Makefile.in: Regenerate.
1456 * configure: Likewise.
1457 * doc/Makefile.in: Likewise.
1458 * include/Makefile.in: Likewise.
1459 * libsupc++/Makefile.in: Likewise.
1460 * po/Makefile.in: Likewise.
1461 * python/Makefile.in: Likewise.
1462 * src/Makefile.in: Likewise.
1463 * src/c++11/Makefile.in: Likewise.
1464 * src/c++17/Makefile.in: Likewise.
1465 * src/c++98/Makefile.in: Likewise.
1466 * src/filesystem/Makefile.in: Likewise.
1467 * testsuite/Makefile.in: Likewise.
1469 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
1472 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
1473 container deduction guides.
1474 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
1475 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
1476 parameters in deduction guides.
1477 * include/bits/stl_multimap.h (multimap): Likewise.
1478 * include/bits/stl_multiset.h (multiset): Likewise.
1479 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
1480 * include/bits/stl_set.h (set): Likewise.
1481 * include/bits/stl_stack.h (stack): Likewise.
1482 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
1483 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
1484 constrain parameters in deduction guides.
1485 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
1487 * testsuite/23_containers/map/cons/deduction.cc: Test additional
1489 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
1490 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
1491 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
1492 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
1494 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
1496 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
1499 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
1500 to class template and partial specialization using void_t.
1501 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1503 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
1506 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
1507 copy and move members public.
1509 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
1511 * include/std/type_traits (__underlying_type_impl): New helper to
1512 make underlying_type SFINAE-friendly.
1513 (underlying_type): Derive from __underlying_type_impl.
1514 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
1518 * include/bits/char_traits.h (__constant_char_array): Check index is
1519 in range before dereferencing.
1520 (char_traits<char>::compare, char_traits<char>::find)
1521 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
1522 immediately if n is zero.
1523 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
1524 Remove workarounds for PR 67026.
1525 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
1527 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
1530 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1532 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
1533 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
1535 2019-02-22 Jakub Jelinek <jakub@redhat.com>
1538 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
1539 type to std::size_t and argument to type to long double.
1541 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
1543 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
1544 * config/abi/post/sparc64-linux-gnu: New directory.
1545 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
1546 * config/abi/post/sparc64-linux-gnu/32: New directory.
1547 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
1549 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1551 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
1552 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
1555 2019-02-22 Tom Honermann <tom@honermann.net>
1557 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
1558 printers for u8string and u8string_view.
1560 2019-02-22 Tom Honermann <tom@honermann.net>
1562 * testsuite/18_support/byte/ops.cc: Validate
1563 std::to_integer<char8_t>, std::to_integer<char16_t>, and
1564 std::to_integer<char32_t>.
1565 * testsuite/18_support/numeric_limits/dr559.cc: Validate
1566 std::numeric_limits<char8_t>.
1567 * testsuite/18_support/numeric_limits/lowest.cc: Validate
1568 std::numeric_limits<char8_t>::lowest().
1569 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
1570 std::numeric_limits<char8_t>::max_digits10.
1571 * testsuite/18_support/type_info/fundamental.cc: Validate
1572 typeinfo for char8_t.
1573 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
1574 std::from_chars with char8_t.
1575 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
1576 Validate explicit instantiation of std::hash<char8_t>.
1577 * testsuite/20_util/is_integral/value.cc: Validate
1578 std::is_integral<char8_t>.
1579 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
1580 Validate std::make_signed<char8_t>.
1581 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
1582 Validate u8string construction from char8_t sources.
1583 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
1585 * testsuite/21_strings/basic_string_view/operations/compare/
1586 char/70483.cc: Validate substr operations on u8string_view.
1587 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
1588 the u8string_view typedef is defined.
1589 * testsuite/21_strings/char_traits/requirements/
1590 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
1592 * testsuite/21_strings/char_traits/requirements/
1593 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
1594 constexpr member functions.
1595 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
1596 that the u8string typedef is defined.
1597 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
1598 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
1599 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
1600 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
1602 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
1603 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
1605 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
1606 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
1607 Validate std::atomic<char8_t>::is_always_lock_free
1608 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
1609 Update line numbers.
1610 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
1612 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
1614 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1615 Validate std::experimental::pmr::u8string.
1616 * testsuite/experimental/string_view/typedefs.cc: Validate that the
1617 u8string_view typedef is defined.
1618 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
1619 char32_t to the typelists.
1621 2019-02-22 Tom Honermann <tom@honermann.net>
1623 * include/ext/typelist.h: Constrain a partial specialization of
1624 typelist::detail::append_ to only match chain<T1,T2>.
1626 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
1629 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
1630 class template with class. Replace move and copy member types with
1631 member alias templates, so they are only instantiated when needed.
1632 (__is_copy_insertable, __is_move_insertable): Adjust base class.
1633 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
1634 test for C++11/14/17 as well.
1635 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
1638 2019-02-20 Jakub Jelinek <jakub@redhat.com>
1641 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
1642 _GLIBCXX_PURE to the alias declaration.
1644 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
1646 * testsuite/21_strings/basic_string/literals/types.cc
1647 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
1648 * testsuite/21_strings/basic_string/literals/values.cc
1649 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1650 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
1651 potentially having different type.
1652 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1653 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
1655 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
1656 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1657 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
1658 string literals only using basic character set.
1659 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
1660 u8 literals to char.
1661 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
1662 Test ATOMIC_CHAR8_T_LOCK_FREE.
1663 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
1664 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
1665 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
1666 * testsuite/experimental/string_view/literals/types.cc
1667 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
1669 * testsuite/experimental/string_view/literals/values.cc
1670 [_GLIBCXX_USE_CHAR8_T]: Likewise.
1672 2019-02-19 Tom Honermann <tom@honermann.net>
1674 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
1675 from char16_32_t.cc; validates numeric_limits<char8_t>.
1676 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
1677 test cloned from types.cc; validates operator""s for char8_t
1679 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
1680 test cloned from values.cc; validates construction and comparison
1682 * testsuite/21_strings/basic_string/requirements/
1683 /explicit_instantiation/char8_t/1.cc: New test cloned from
1684 char16_t/1.cc; validates explicit instantiation of
1685 basic_string<char8_t>.
1686 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
1687 New test cloned from types.cc; validates operator""sv for char8_t
1688 returns u8string_view.
1689 * testsuite/21_strings/basic_string_view/literals/
1690 values-char8_t.cc: New test cloned from values.cc; validates
1691 construction and comparison of u8string_view values.
1692 * testsuite/21_strings/basic_string_view/requirements/
1693 explicit_instantiation/char8_t/1.cc: New test cloned from
1694 char16_t/1.cc; validates explicit instantiation of
1695 basic_string_view<char8_t>.
1696 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
1697 New test cloned from char16_t/65049.cc; validates that
1698 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
1699 * testsuite/21_strings/char_traits/requirements/char8_t/
1700 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
1701 that char_traits<char8_t> member typedefs are present and correct.
1702 * testsuite/21_strings/char_traits/requirements/
1703 explicit_instantiation/char8_t/1.cc: New test cloned from
1704 char16_t/1.cc; validates explicit instantiation of
1705 char_traits<char8_t>.
1706 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
1707 from char16_t.cc: validates
1708 codecvt<char16_t, char8_t, mbstate_t>.
1709 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
1710 from char32_t.cc: validates
1711 codecvt<char32_t, char8_t, mbstate_t>.
1712 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
1713 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
1714 codecvt<char32_t, char8_t, std::mbstate_t>.
1715 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
1716 test cloned from string.cc; validates filesystem::path construction
1718 * testsuite/experimental/feat-char8_t.cc: New test; validates that
1719 the __cpp_lib_char8_t feature test macro is defined with the
1721 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
1722 New test cloned from string.cc; validates filesystem::path
1723 construction from char8_t input.
1724 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
1725 test cloned from types.cc; validates operator""sv for char8_t
1726 returns u8string_view.
1727 * testsuite/experimental/string_view/literals/values-char8_t.cc:
1728 New test cloned from values.cc; validates construction and
1729 comparison of u8string_view values.
1730 * testsuite/experimental/string_view/requirements/
1731 explicit_instantiation/char8_t/1.cc: New test cloned from
1732 char16_t/1.cc; validates explicit instantiation of
1733 basic_string_view<char8_t>.
1734 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
1735 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
1738 2019-02-19 Tom Honermann <tom@honermann.net>
1740 P0482R5 char8_t: Standard library support
1741 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
1742 typeinfo symbols for char8_t.
1743 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
1744 (GLIBCXX_3.4.26): Add symbols for specializations of
1745 numeric_limits and codecvt that involve char8_t.
1746 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
1747 * include/bits/atomic_base.h: Add atomic_char8_t.
1748 * include/bits/basic_string.h: Add std::hash<u8string> and
1749 operator""s(const char8_t*, size_t).
1750 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
1752 * include/bits/char_traits.h: Add char_traits<char8_t>.
1753 * include/bits/codecvt.h: Add
1754 codecvt<char16_t, char8_t, mbstate_t>,
1755 codecvt<char32_t, char8_t, mbstate_t>,
1756 codecvt_byname<char16_t, char8_t, mbstate_t>, and
1757 codecvt_byname<char32_t, char8_t, mbstate_t>.
1758 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
1759 recognize char8_t as an integral type.
1760 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
1762 (path::u8string): Return std::u8string when char8_t support is
1764 (path::generic_u8string): Likewise.
1765 (path::_S_convert): Handle conversion from char8_t input.
1766 (path::_S_str_convert): Likewise.
1767 * include/bits/functional_hash.h: Add hash<char8_t>.
1768 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
1770 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
1771 for new char8_t specializations.
1772 * include/bits/localefwd.h: Add missing declarations of
1773 codecvt<char16_t, char, mbstate_t> and
1774 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
1775 codecvt<char16_t, char8_t, mbstate_t> and
1776 codecvt<char32_t, char8_t, mbstate_t>.
1777 * include/bits/postypes.h: Add u8streampos
1778 * include/bits/stringfwd.h: Add declarations of
1779 char_traits<char8_t> and u8string.
1780 * include/c_global/cstddef: Add __byte_operand<char8_t>.
1781 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
1783 (path::u8string): Return std::u8string when char8_t support is
1785 (path::generic_u8string): Likewise.
1786 (path::_S_convert): Handle conversion from char8_t input.
1787 (path::_S_str_convert): Likewise.
1788 * include/experimental/string: Add u8string.
1789 * include/experimental/string_view: Add u8string_view,
1790 hash<experimental::u8string_view>, and
1791 operator""sv(const char8_t*, size_t).
1792 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
1793 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
1794 as a character type.
1795 * include/std/limits: Add numeric_limits<char8_t>.
1796 * include/std/string_view: Add u8string_view,
1797 hash<experimental::u8string_view>, and
1798 operator""sv(const char8_t*, size_t).
1799 * include/std/type_traits: Add __is_integral_helper<char8_t>,
1800 __make_unsigned<char8_t>, and __make_signed<char8_t>.
1801 * libsupc++/atomic_lockfree_defines.h: Define
1802 ATOMIC_CHAR8_T_LOCK_FREE.
1803 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
1804 codecvt.cc and limits.cc so that char8_t specializations of
1805 numeric_limits and codecvt and emitted.
1806 * src/c++11/Makefile.in: Likewise.
1807 * src/c++11/codecvt.cc: Define members of
1808 codecvt<char16_t, char8_t, mbstate_t>,
1809 codecvt<char32_t, char8_t, mbstate_t>,
1810 codecvt_byname<char16_t, char8_t, mbstate_t>, and
1811 codecvt_byname<char32_t, char8_t, mbstate_t>.
1812 * src/c++11/limits.cc: Define members of
1813 numeric_limits<char8_t>.
1814 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
1815 locale_init.cc and localename.cc.
1816 * src/c++98/Makefile.in: Likewise.
1817 * src/c++98/locale_init.cc: Add initialization for the
1818 codecvt<char16_t, char8_t, mbstate_t> and
1819 codecvt<char32_t, char8_t, mbstate_t> facets.
1820 * src/c++98/localename.cc: Likewise.
1821 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
1823 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
1825 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
1826 * 27_io/filesystem/operations/resize_file.cc: Likewise.
1827 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
1829 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
1831 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
1832 * doc/html/*: Regenerate.
1834 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
1835 * doc/html/*: Regenerate.
1837 * doc/xml/manual/intro.xml: Document LWG 2586 status.
1838 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
1839 allocator type in is_constructible checks.
1840 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
1841 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
1842 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
1843 problematic type from LWG 2586 discussion.
1844 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
1845 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1847 * configure.ac: Check for C11 timespec_get function.
1848 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
1850 * config.h.in: Regenerate.
1851 * configure: Regenerate.
1852 * include/c_global/ctime (timespec, timespec_get): Add to namespace
1853 std for C++17 and up.
1855 * doc/xml/manual/intro.xml: Document LWG 2537 status.
1856 * include/bits/stl_queue.h
1857 (priority_queue(const Compare&, const Container&, const Alloc&))
1858 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
1860 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
1862 * doc/xml/manual/intro.xml: Document LWG 2566 status.
1863 * include/bits/stl_queue.h (queue, priority_queue): Add static
1864 assertions to enforce LWG 2566 requirement on value_type.
1865 * include/bits/stl_stack.h (stack): Likewise.
1868 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
1870 * doc/xml/manual/intro.xml: Document LWG 2735 status.
1871 * include/bits/std_abs.h: Add comment about LWG 2735.
1872 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
1874 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
1877 * include/std/version [__cpp_impl_destroying_delete]
1878 (__cpp_lib_destroying_delete): Only define for C++2a and later.
1879 * libsupc++/new [__cpp_impl_destroying_delete]
1880 (__cpp_lib_destroying_delete): Likewise.
1881 (destroying_delete_t, destroying_delete): Likewise, but define even
1882 when __cpp_impl_destroying_delete is not defined.
1883 * testsuite/18_support/destroying_delete.cc: New test.
1885 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
1888 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
1889 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
1890 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
1891 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
1893 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
1896 * include/bits/fs_path.h (path::has_root_name)
1897 (path::has_root_directory, path::has_root_path)
1898 (path::has_relative_path, path::has_parent_path)
1899 (path::has_filename, path::has_stem, path::has_extension)
1900 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
1902 * src/c++17/fs_path.cc (path::has_root_name)
1903 (path::has_root_directory, path::has_root_path)
1904 (path::has_relative_path, path::has_parent_path)
1905 (path::has_filename, path::_M_find_extension): Add noexcept.
1907 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
1909 PR libstdc++/89102 (partial)
1910 * include/std/type_traits (common_type<>): Define.
1911 (common_type<T>): Derive from common_type<T, T>.
1912 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
1913 Test zero-length template argument list.
1914 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
1915 Test additional single argument cases.
1916 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
1917 Adjust expected error.
1919 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
1922 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
1924 * include/bits/stl_stack.h (stack): Likewise.
1925 * testsuite/23_containers/priority_queue/deduction.cc: New test.
1926 * testsuite/23_containers/queue/deduction.cc: New test.
1927 * testsuite/23_containers/stack/deduction.cc: New test.
1930 * include/std/type_traits (__is_convertible_helper)
1931 (__is_convertible_helper<_From, _To, false>): Revert changes to
1932 support is_nothrow_convertible.
1933 (__is_nt_convertible_helper): New helper.
1934 (is_nothrow_convertible): Use __is_nt_convertible_helper.
1936 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
1937 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
1940 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
1941 __is_alloc_insertable_impl. Replace single type member with two
1942 members, one for each of copy and move insertable.
1943 (__is_move_insertable): New trait for internal use.
1944 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
1945 (vector::_S_nothrow_relocate(true_type)): New functions to
1946 conditionally check if __relocate_a can throw.
1947 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
1948 on __is_move_insertable.
1949 (vector::_S_do_relocate): New overloaded functions to conditionally
1951 (vector::_S_relocate): New function that dispatches to _S_do_relocate
1952 based on _S_use_relocate.
1953 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1954 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
1955 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
1958 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
1959 parameter unnamed. Add message to static assertion.
1960 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
1961 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
1964 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
1967 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
1969 (__is_bitwise_relocatable): ... to this.
1970 (__relocate_a_1): Adapt.
1971 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
1972 (__is_bitwise_relocatable): ... to this.
1974 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
1977 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
1978 final component as well as from _M_pathname. Append the dot using
1979 operator+= instead of only to _M_pathname.
1980 (path::_M_find_extension): Reformat slightly.
1981 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
1982 Add more test cases.
1984 2019-01-30 Ulrich Drepper <drepper@redhat.com>
1986 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
1988 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
1990 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
1991 constexpr specifiers from arg and proj.
1993 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
1994 __shared_ptr instantiations used by gcc4-compatible ABI.
1996 * include/experimental/forward_list (experimental::erase): Qualify
1998 * include/experimental/list (experimental::erase): Likewise.
1999 * include/std/forward_list (std::erase): Likewise.
2000 * include/std/list (std::erase): Likewise.
2002 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
2004 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
2005 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
2006 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
2007 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
2008 * testsuite/ext/array_allocator/26875.cc: Likewise.
2009 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
2010 * testsuite/util/replacement_memory_operators.h: Likewise.
2011 * testsuite/util/testsuite_allocator.h: Likewise.
2013 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
2014 normal mode vector, even for debug mode.
2015 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
2016 Define alias template for normal mode vector.
2018 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
2021 * config/locale/generic/c_locale.h (__convert_from_v)
2022 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2023 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2024 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
2025 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
2027 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
2030 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
2031 data member with static member function _S_use_relocate().
2032 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
2033 (vector::_M_default_append): Use _S_use_relocate() instead of
2036 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
2039 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
2042 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
2043 write to stderr instead of using printf.
2045 2019-01-21 Jakub Jelinek <jakub@redhat.com>
2048 * include/bits/char_traits.h (__constant_string_p,
2049 __constant_char_array_p): Use __builtin_is_constant_evaluated if
2052 2019-01-20 Ulrich Drepper <drepper@redhat.com>
2054 Implement C++20 P0600r1.
2055 * include/backward/hash_map: Add nodiscard attribute to empty.
2056 * include/backward/hash_set: Likewise.
2057 * backward/hashtable.h: Likewise.
2058 * include/bits/basic_string.h: Likewise.
2059 * include/bits/forward_list.h: Likewise.
2060 * include/bits/hashtable.h: Likewise.
2061 * include/bits/regex.h: Likewise.
2062 * include/bits/stl_deque.h: Likewise.
2063 * include/bits/stl_list.h: Likewise.
2064 * include/bits/stl_map.h: Likewise.
2065 * include/bits/stl_multimap.h: Likewise.
2066 * include/bits/stl_multiset.h: Likewise.
2067 * include/bits/stl_queue.h: Likewise.
2068 * include/bits/stl_set.h: Likewise.
2069 * include/bits/stl_stack.h: Likewise.
2070 * include/bits/stl_tree.h: Likewise.
2071 * include/bits/stl_vector.h: Likewise.
2072 * include/bits/unordered_map.h: Likewise.
2073 * include/bits/unordered_set.h: Likewise.
2074 * include/debug/array: Likewise.
2075 * include/experimental/any: Likewise.
2076 * include/experimental/bits/fs_path.h: Likewise.
2077 * include/experimental/internet: Likewise.
2078 * include/experimental/string_view: Likewise.
2079 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
2081 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
2083 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
2085 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
2087 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
2089 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
2091 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
2093 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
2095 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2096 info_fn_imps.hpp: Likewise.
2097 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
2098 left_child_next_sibling_heap_.hpp: Likewise.
2099 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
2101 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
2103 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
2105 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
2107 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
2109 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
2111 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
2113 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
2114 * include/ext/pb_ds/trie_policy.hpp: Likewise.
2115 * include/ext/rope: Likewise.
2116 * include/ext/slist: Likewise.
2117 * include/ext/vstring.h: Likewise.
2118 * include/profile/array: Likewise.
2119 * include/std/array: Likewise.
2120 * include/tr1/array: Likewise.
2121 * include/tr1/hashtable.h: Likewise.
2122 * include/tr1/regex: Likewise.
2123 * include/tr2/dynamic_bitset: Likewise.
2124 * include/bits/alloc_traits.h: Add nodiscard attribute to
2126 * include/experimental/memory_resource: Likewise.
2127 * include/ext/alloc_traits.h: Likewise.
2128 * include/ext/array_allocator.h: Likewise.
2129 * include/ext/bitmap_allocator.h: Likewise.
2130 * include/ext/debug_allocator.h: Likewise.
2131 * include/ext/extptr_allocator.h: Likewise.
2132 * include/ext/mt_allocator.h: Likewise.
2133 * include/ext/new_allocator.h: Likewise.
2134 * include/ext/pool_allocator.h: Likewise.
2135 * include/ext/throw_allocator.h: Likewise.
2136 * include/std/scoped_allocator: Likewise.
2137 * libsupc++/eh_alloc.cc: Likewise.
2138 * include/std/future: Add nodiscard attribute to async.
2139 * libsupc++/new: Add nodiscard attribute to new.
2141 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
2146 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
2147 * include/bits/shared_ptr.h
2148 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
2149 (allocate_shared): Change to use new tag type.
2150 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
2151 Declare new member function.
2152 (_Sp_alloc_shared_tag): Define new type.
2153 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
2154 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
2155 _Sp_make_shared_tag::_S_eq to check type_info.
2156 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
2157 Constrain to prevent being called with _Sp_alloc_shared_tag.
2158 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
2159 Replace constructor with ...
2160 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
2161 reference parameter so address of the new object can be returned to
2162 the caller. Obtain the allocator from the tag type.
2163 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
2164 constructor with ...
2165 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
2166 to the __shared_count constructor.
2167 (__allocate_shared): Change to use new tag type.
2168 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
2170 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
2172 * src/c++17/fs_ops.cc
2173 (equivalent(const path&, const path&, error_code&))
2174 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
2175 compare files instead of relying on incomplete info returned by stat.
2178 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
2179 if the path is already absolute.
2180 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
2181 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
2184 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
2185 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
2186 of filesystem::exists.
2187 (create_directories(const path&, error_code&)): Add assertions.
2188 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
2189 Add workaround for bug in _wstat for paths with trailing slash.
2190 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
2191 for expected behaviour on mingw.
2192 * testsuite/experimental/filesystem/operations/create_directories.cc:
2194 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
2195 "TMP" instead of "TMPDIR" and clean environment before each test. Do
2196 not test permissions on mingw targets.
2198 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
2200 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
2201 constructors and open members taking wide strings. Fix patterns for
2202 filesystem::path members to match wstring_view parameters. Add
2203 exports for shared_ptr members used by directory iterators.
2204 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
2205 error code parameter if the file doesn't exist.
2206 * src/filesystem/ops.cc (remove(const path&, error_code&)):
2208 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
2209 values for mingw targets, where "/" is not an absolute path. Do not
2210 test symlinks on mingw targets.
2211 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
2212 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
2214 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
2215 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
2216 that each component of the path is created.
2217 * testsuite/experimental/filesystem/operations/create_directories.cc:
2219 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
2220 permissions on mingw targets.
2221 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
2222 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2223 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
2224 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
2226 * testsuite/experimental/filesystem/operations/permissions.cc:
2228 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
2229 symlinks or permissions on mingw targets.
2230 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
2231 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
2232 symlinks on mingw targets.
2233 * testsuite/experimental/filesystem/operations/remove_all.cc:
2235 * testsuite/27_io/filesystem/operations/status.cc: Do not test
2236 permissions on mingw targets.
2237 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
2238 test symlinks on mingw targets.
2239 * testsuite/experimental/filesystem/operations/space.cc: Fix test
2242 2019-02-14 Ulrich Drepper <drepper@redhat.com>
2245 Warn about unused comparisons of shared_ptr/unique_ptr
2246 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
2247 * include/bits/shared_ptr.h: Use it for operator ==, !=,
2248 <, <=, >, >= for shared_ptr.
2249 * include/bits/unique_ptr.h: Likewise for unique_ptr.
2251 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
2253 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
2254 as 201611L, because P0497R0 changes are supported.
2255 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
2257 * include/bits/erase_if.h [__cplusplus > 201703L]
2258 (__cpp_lib_erase_if): Only define for C++2a.
2259 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2260 (__cpp_lib_null_iterators): Define.
2261 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
2262 (__cpp_lib_null_iterators): Define.
2263 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
2265 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
2267 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
2269 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
2270 changes are supported.
2271 * include/std/optional (__cpp_lib_optional): Likewise.
2272 * include/std/variant (__cpp_lib_variant): Likewise.
2273 * include/std/version [!__STRICT_ANSI__]
2274 (__cpp_lib_uncaught_exceptions): Define as long integer.
2275 [__cplusplus >= 201703L] (__cpp_lib_any)
2276 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
2277 (__cpp_lib_variant): Define for C++17.
2278 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
2280 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
2283 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
2285 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
2289 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
2291 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
2294 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2296 * doc/xml/manual/intro.xml: Include new section.
2297 * doc/xml/manual/status_cxx2017.xml: Document more
2298 implementation-defined properties of the library.
2299 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
2300 * doc/html/*: Regenerate.
2302 * include/bits/refwrap.h [__cplusplus > 201703L]
2303 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
2304 (_Reference_wrapper_base_memfun): Do not define for C++2a.
2305 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
2307 (reference_wrapper::operator()): Add static assertion.
2308 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
2310 * include/std/chrono (duration_values::zero(), duration_values::min())
2311 (duration_values::max()): Add noexcept.
2312 (duration::zero(), duration::min(), duration::max()): Likewise.
2313 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
2314 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
2315 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
2317 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
2319 2019-01-11 Jakub Jelinek <jakub@redhat.com>
2321 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
2322 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
2324 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
2327 * include/bits/functional_hash.h (hash<nullptr_t>): Define
2328 specialization for C++17 (P0513R0, LWG 2817).
2329 * testsuite/20_util/hash/nullptr.cc: New test.
2332 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
2333 pattern for std::basic_stringbuf::str().
2335 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
2336 basic_ostream::operator<< patterns.
2338 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2340 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
2341 test failures on targets with 32-bit time_t.
2343 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
2344 * include/std/deque: Likewise.
2345 * include/std/forward_list: Likewise.
2346 * include/std/list: Likewise.
2347 * include/std/string: Likewise.
2348 * include/std/vector: Likewise.
2349 * include/std/version: Likewise.
2350 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
2351 * testsuite/23_containers/deque/erasure.cc: Likewise.
2352 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
2353 * testsuite/23_containers/list/erasure.cc: Likewise.
2354 * testsuite/23_containers/map/erasure.cc: Likewise.
2355 * testsuite/23_containers/set/erasure.cc: Likewise.
2356 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
2357 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
2358 * testsuite/23_containers/vector/erasure.cc: Likewise.
2360 * include/experimental/internet [AI_NUMERICSERV]
2361 (resolver_base::numeric_service): Define conditionally.
2362 * testsuite/experimental/net/internet/resolver/base.cc: Test it
2364 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
2367 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
2368 Jonathan Wakely <jwakely@redhat.com>
2371 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
2372 (GLIBCXX_3.4.26): Add new exports.
2373 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
2374 correct list of sources.
2375 * include/Makefile.in: Regenerate.
2376 * include/std/ostream (operator<<(nullptr_t)): New member function.
2377 * src/c++17/ostream-inst.cc: New file.
2378 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
2381 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
2383 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
2384 of the source file containing the caller.
2385 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
2386 directories created by test.
2387 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2389 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
2391 * testsuite/experimental/filesystem/iterators/
2392 recursive_directory_iterator.cc: Likewise.
2394 2019-01-10 Jakub Jelinek <jakub@redhat.com>
2396 PR tree-optimization/88775
2397 * include/bits/stl_function.h (greater<_Tp*>::operator(),
2398 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
2399 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
2400 instead of __builtin_constant_p if available. Don't bother with
2401 the pointer comparison in C++11 and earlier.
2403 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
2407 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
2410 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
2412 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
2413 for filesystem::path. Give variables more distinctive names.
2415 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
2416 member function to perform non-trivial assignment.
2417 (_Optional_payload_base::_M_move_assign): Likewise.
2418 (_Optional_payload<T, true, false, true>::operator=)
2419 (_Optional_payload<T, true, true, false>::operator=)
2420 (_Optional_payload<T, true, false, false>::operator=): Call
2421 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
2424 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
2425 test std::complex<long double> if long double format is IBM128.
2426 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
2429 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2431 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
2432 for old std::unique_ptr layout.
2433 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
2434 to become valueless. Add filesystem::path tests.
2437 * include/std/optional (_Optional_payload_base): New class template
2438 for common code hoisted from _Optional_payload specializations. Use
2439 a template for the union, to allow a partial specialization for
2440 types with non-trivial destructors. Add constructors for in-place
2441 initialization to the union.
2442 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
2443 to perform non-trivial copy construction, instead of relying on
2444 non-standard copy elision in a delegating constructor.
2445 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
2446 non-trivial move construction.
2447 (_Optional_payload): Derive from _Optional_payload_base and use it
2448 for everything except the non-trivial assignment operators, which are
2450 (_Optional_payload<false, C, M>): Derive from the specialization
2451 _Optional_payload<true, false, false> and add a destructor.
2452 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
2453 Forward to corresponding members of _Optional_payload.
2454 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
2455 Hoist common members from _Optional_base.
2456 (_Optional_base): Make all members and base class public.
2457 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
2458 _Optional_base_impl.
2459 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
2460 support for new std::optional layout.
2461 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
2464 * include/bits/locale_conv.h: Use <> for includes not "".
2465 * include/ext/random: Likewise.
2466 * include/ext/vstring.h: Likewise.
2468 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2470 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
2471 (GLIBCXX_3.4.21): Likewise.
2473 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
2476 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
2477 to match the one that controls whether utimbuf and utime are declared.
2479 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
2482 * include/bits/char_traits.h (char_traits::move): Do not pass null
2483 pointers to memmove.
2484 * include/bits/locale_facets.h
2485 (ctype<char>::widen(const char*, const char*, char*)): Do not
2486 pass null pointers to memcpy.
2487 (ctype<char>::narrow(const char*, const char*, char, char*)):
2489 (ctype<char>::do_widen(const char*, const char*, char*)):
2491 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
2494 * doc/xml/manual/spine.xml: Update copyright years.
2495 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
2496 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
2497 for C++17 filesystem library.
2498 * doc/html/*: Regenerate.
2500 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
2501 * config.h.in: Regenerate.
2502 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
2503 alphabetically and add missing entries for copy_symlink,
2504 hard_link_count, rename, and resize_file.
2505 * configure: Regenerate.
2506 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
2507 used unconditionally.
2508 * src/filesystem/ops-common.h (__gnu_posix::truncate)
2509 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
2510 supports truncating to zero length.
2511 * testsuite/27_io/filesystem/operations/all.cc: New test.
2512 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
2514 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
2517 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
2518 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
2519 * config.h.in: Regenerate.
2520 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
2521 remaining std::filesystem types and functions.
2522 * configure: Regenerate.
2523 * src/c++17/Makefile.am: Add C++17 filesystem sources.
2524 * src/c++17/Makefile.in: Regenerate.
2525 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
2526 here, and change name of included file.
2527 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
2528 here, and change name of included file.
2529 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
2530 path to dir-common.h.
2531 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
2532 path to ops-common.h. Disable -Wunused-parameter warnings.
2533 (internal_file_clock): Define unconditionally.
2534 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
2536 (do_copy_file, do_space): Move definitions to ops.common.h.
2537 (copy, file_size, hard_link_count, last_write_time, space): Only
2538 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
2540 (last_write_time, read_symlink): Remove unused attributes from
2542 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
2543 * src/filesystem/Makefile.in: Regenerate.
2544 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
2545 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
2546 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
2547 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
2548 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
2549 dummy types and functions instead of using #error.
2550 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
2551 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
2553 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
2554 (do_copy_file, do_space): Move definitions here from std-ops.cc.
2555 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
2556 to account for new namespace.
2557 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
2558 -lstdc++fs from dg-options.
2559 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
2560 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
2561 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
2562 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
2563 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
2565 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
2566 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2568 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
2569 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
2570 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
2571 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
2572 * testsuite/27_io/filesystem/operations/create_directories.cc:
2574 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
2575 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
2576 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
2577 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
2578 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
2579 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
2580 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
2581 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
2582 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
2583 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
2584 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
2585 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
2586 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
2587 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
2588 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
2589 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2590 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2591 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
2593 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
2597 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
2598 typeinfo and vtables less greedy.
2599 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
2600 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
2601 * src/c++17/Makefile.in: Regenerate.
2602 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
2603 here, and change name of included file.
2604 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
2605 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
2607 * src/filesystem/Makefile.in: Regenerate.
2608 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
2609 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
2610 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
2611 from dg-options and remove dg-require-filesystem-ts.
2612 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
2613 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
2614 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
2615 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
2616 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
2617 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
2618 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
2619 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
2620 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
2621 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
2622 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
2623 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
2624 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
2625 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
2626 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
2627 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
2628 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
2629 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
2630 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
2631 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
2632 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
2634 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
2635 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
2636 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
2637 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
2638 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
2639 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
2640 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
2641 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
2642 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
2643 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
2644 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
2645 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
2647 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
2649 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
2651 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
2653 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
2654 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
2655 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
2656 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
2657 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
2658 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
2659 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
2660 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
2661 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
2662 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
2664 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
2665 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
2666 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
2667 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
2668 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
2671 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
2672 Check is_trivially_copyable instead of is_scalar.
2673 (variant::emplace<N, Args>(Args&&...)): If construction of the new
2674 contained value can throw and its type is trivially copyable then
2675 construct into a temporary variant and move from it, to provide the
2676 strong exception safety guarantee.
2677 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
2679 * testsuite/20_util/variant/87431.cc: New test.
2680 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
2681 conversion causes valueless state.
2684 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
2685 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
2686 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
2687 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
2688 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
2690 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
2692 * include/bits/fs_fwd.h (__file_clock): Define new clock.
2693 (file_time_type): Redefine in terms of __file_clock.
2694 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
2696 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
2698 (internal_file_lock): New helper type for accessing __file_clock.
2699 (do_copy_file): Use internal_file_lock to convert system time to
2701 (last_write_time(const path&, error_code&)): Likewise.
2702 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
2704 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
2706 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
2707 for const member functions of std::basic_string.
2708 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
2710 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
2711 Make non-standard constructor private.
2712 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
2714 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
2715 explicit instantiations for C++17 as well as earlier dialects.
2716 * src/c++17/Makefile.am: Add new source files.
2717 * src/c++17/Makefile.in: Regenerate.
2718 * src/c++17/cow-string-inst.cc: New file defining explicit
2719 instantiations for basic_string member functions added in C++17.
2720 * src/c++17/string-inst.cc: Likewise.
2722 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
2723 copy/move constructors for old std::basic_string.
2724 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2725 (basic_string::reference, basic_string::const_reference): Define
2726 as plain references for C++11 and later.
2727 (basic_string::basic_string()): Put constructor body outside
2728 preprocessor conditional groups.
2729 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
2730 instead of copying it.
2731 (basic_string::basic_string(const basic_string&, const _Alloc&)):
2733 (basic_string::basic_string(basic_string&&, const _Alloc&)):
2735 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
2736 cases for old basic_string.
2737 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
2738 allocator-extended constructors unconditionally. Add extra members to
2739 allocator type when using old string ABI.
2740 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
2742 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
2744 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
2745 -fno-inline added to test flags.
2747 * testsuite/21_strings/basic_string/requirements/
2748 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
2750 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
2751 assertion failures with old std::string ABI.
2753 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
2755 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
2756 functions that will only erase elements at the end.
2757 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
2758 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
2759 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
2761 (path::_List::pop_back()): Define.
2762 (path::_List::_M_erase_from(const_iterator)): Define.
2763 (path::operator/=(const path&)): Use pop_back to remove last component
2764 and _M_erase_from to remove multiple components.
2765 (path::_M_append(basic_string_view<value_type>)): Likewise.
2766 (path::operator+=(const path&)): Likewise.
2767 (path::_M_concat(basic_string_view<value_type>)): Likewise.
2768 (path::remove_filename()): Likewise.
2769 (path::lexically_normal()): Use _List::_Impl iterators instead of
2770 path::iterator. Use pop_back to remove components from the end. Clear
2771 trailing filename, instead of using erase(const_iterator) to remove
2772 a non-final component.
2773 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
2775 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
2777 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
2778 incorrect treatment of empty filename after trailing slash.
2779 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
2781 * testsuite/21_strings/basic_string/modifiers/assign/char/
2782 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
2784 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
2785 move_assign_optim.cc: Likewise.
2787 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
2788 Jakub Jelinek <jakub@redhat.com>
2791 * include/experimental/memory: Replace UTF-8 quote characters.
2792 * include/std/future: Replace UTF-8 "em dash" characters.
2794 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
2797 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
2798 * include/debug/forward_list: Likewise.
2799 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
2801 * include/experimental/chrono: Likewise.
2802 * include/experimental/functional: Likewise.
2803 * include/experimental/ratio: Likewise.
2804 * include/experimental/system_error: Likewise.
2805 * include/experimental/tuple: Likewise.
2806 * include/experimental/type_traits: Likewise.
2807 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
2808 * include/parallel/multiseq_selection.h: Likewise.
2811 * config/abi/pre/gnu.ver: Add missing exports.
2812 * testsuite/22_locale/collate_byname/88681.cc: New test.
2813 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
2814 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
2816 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
2818 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
2819 initializer_list<value_type> and from input iterator ranges.
2820 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
2822 * testsuite/experimental/string_view/element_access/char/empty.cc:
2823 Fix year range in copyright header.
2825 2019-01-02 Joel Brobecker <brobecker@adacore.com>
2827 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
2828 Fix year range in copyright header.
2830 2019-01-01 Jakub Jelinek <jakub@redhat.com>
2832 Update copyright years.
2834 Copyright (C) 2019 Free Software Foundation, Inc.
2836 Copying and distribution of this file, with or without modification,
2837 are permitted in any medium without royalty provided the copyright
2838 notice and this notice are preserved.