1 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
3 * include/std/type_traits (is_empty, is_polymorphic, is_final)
4 (is_abstract, is_aggregate): Remove static_assert.
5 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
7 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
8 missing -std=gnu++17 option.
9 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
10 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
11 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
14 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
15 * testsuite/18_support/set_unexpected.cc: Likewise.
16 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
18 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
19 function to be valid in C++11.
20 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
21 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
22 include Library Fundamentals or Networking headers in C++11 mode.
23 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
25 * include/std/tuple (_TC): Replace with _TupleConstraints.
26 (_TupleConstraints): New helper for SFINAE constraints, with more
27 expressive member functions to reduce duplication when used.
28 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
29 (tuple::_TCC): Replace dummy type parameter with bool non-type
30 parameter that can be used to check the pack size.
31 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
32 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
33 checking constraints in constructors.
34 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
36 (tuple::tuple): Use new helpers to reduce repitition in constraints.
37 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
38 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
39 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
40 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
41 constraints in constructors.
42 (tuple::__is_alloc_arg()): New SFINAE helpers.
43 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
45 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
46 * testsuite/20_util/tuple/cons/90700.cc: New test.
47 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
48 to meet new constraint on allocator-extended default constructor.
50 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
52 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
53 * include/bits/stl_multimap.h (multimap): Likewise.
55 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
57 Rename variables and cleanup comments.
58 * include/bits/hashtable_policy.h
59 * include/bits/hashtable.h
61 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
63 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
64 Fix bgcolor for P0340R3.
65 * doc/html/*: Regenerate.
68 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
69 <experimental/memory_resource>.
70 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
71 P0339R6, P0340R3, P1164R1 and P1357R1.
72 * doc/html/*: Regenerate.
74 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
75 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
76 allocator::value_type assertion for C++2a.
77 * include/bits/hashtable.h: Likewise.
78 * include/bits/stl_deque.h: Likewise.
79 * include/bits/stl_list.h: Likewise.
80 * include/bits/stl_map.h: Likewise.
81 * include/bits/stl_multimap.h: Likewise.
82 * include/bits/stl_multiset.h: Likewise.
83 * include/bits/stl_set.h: Likewise.
84 * include/bits/stl_vector.h: Likewise.
85 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
86 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
87 * testsuite/23_containers/list/48101-3_neg.cc: New test.
88 * testsuite/23_containers/map/48101-3_neg.cc: New test.
89 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
90 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
91 * testsuite/23_containers/set/48101-3_neg.cc: New test.
92 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
93 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
94 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
95 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
96 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
98 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
100 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
102 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
104 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
106 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
108 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
110 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
112 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
115 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
116 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
117 * libsupc++/eh_term_handler.h: New header defining
118 _GLIBCXX_DEFAULT_TERM_HANDLER.
119 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
120 (set_terminate): Restore default handler when argument is null.
121 (set_unexpected): Likewise.
122 * testsuite/18_support/set_terminate.cc: New test.
123 * testsuite/18_support/set_unexpected.cc: New test.
125 * include/backward/hashtable.h (size_t, ptrdiff_t)
126 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
127 (distance, vector, pair, __iterator_category): Remove
128 using-declarations that add these names to namespace __gnu_cxx.
129 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
130 * include/ext/debug_allocator.h (size_t): Likewise.
131 * include/ext/functional (size_t, unary_function, binary_function)
132 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
134 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
135 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
136 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
137 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
138 * include/ext/numeric (iota): Fix outdated comment.
139 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
140 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
141 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
142 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
143 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
145 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
146 (allocator, __true_type, __false_type): Likewise.
148 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
151 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
152 New helpers for checking preconditions in traits.
153 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
154 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
155 (is_destructible, is_nothrow_destructible, is_constructible)
156 (is_default_constructible, is_copy_constructible)
157 (is_move_constructible, is_nothrow_default_constructible)
158 (is_nothrow_constructible, is_nothrow_copy_constructible)
159 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
160 (is_nothrow_assignable, is_nothrow_copy_assignable)
161 (is_nothrow_move_assignable, is_trivially_constructible)
162 (is_trivially_copy_constructible, is_trivially_move_constructible)
163 is_trivially_assignable, is_trivially_copy_assignable)
164 (is_trivially_move_assignable, is_trivially_destructible)
165 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
166 (is_invocable_r, is_nothrow_invocable)
167 (has_unique_object_representations, is_aggregate): Add static_asserts
168 to make sure that type traits are not misused with incomplete types.
169 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
170 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
171 base characteristics without assertions that can be reused in other
173 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
174 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
176 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
177 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
178 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
179 * testsuite/20_util/is_class/value.cc: Check incomplete type.
180 * testsuite/20_util/is_function/value.cc: Likewise.
181 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
182 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
184 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
185 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
186 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
187 * testsuite/20_util/is_union/value.cc: Likewise.
188 * testsuite/20_util/is_void/value.cc: Likewise.
189 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
191 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
193 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
194 Add new private member function.
195 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
196 (random_device::_M_init_pretr1(const string&)): Call new private
197 member with string data.
198 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
200 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
201 test using COW strings.
202 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
203 a value from the device.
204 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
205 Fix typo in token string.
207 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
209 LWG2788 basic_string spurious use of a default constructible allocator
210 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
211 (basic_string::_M_replace_dispatch): Construct temporary string with
212 the current allocator.
213 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
214 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
216 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
218 * doc/xml/manual/diagnostics.xml: Update list of headers that define
220 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
221 section about new/delete overloads. Improve section on verbose
223 * doc/html/*: Regenerate.
225 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
226 P0811R3. Change status of P1353R0.
227 * doc/html/*: Regenerate.
229 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
230 documentation of implementation-defined types for [thread.req.native].
231 * doc/xml/manual/status_cxx2017.xml: Update documentation of
232 implementation-defined strings for [variant.bad.access]. Fix typo in
233 documentation of implementation-defined support for [fs.conform.9945].
234 * doc/html/*: Regenerate.
236 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
239 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
240 that fails on mingw-w64.
243 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
244 (status(const path&, error_code&)): Use parent_path() to remove
246 (symlink_status(const path&, error_code&)): Duplicate workaround for
247 bug in _wstat for paths with trailing slash.
248 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
250 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
251 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
253 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
254 once instead of building it iteratively.
256 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
258 PR libstdc++/85494 use rdseed and rand_s in std::random_device
259 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
260 the assembler supports rdseed.
261 * config.h.in: Regenerate.
262 * configure: Regenerate.
263 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
264 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
265 * doc/html/*: Regenerate.
266 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
267 * include/bits/random.h (random_device::random_device()): Always call
268 _M_init rather than _M_init_pretr1.
269 (random_device::random_device(const string&)): Likewise.
270 (random_device::operator()()): Always call _M_getval().
271 (random_device::_M_file): Replace first member of union with an
272 anonymous struct, with _M_file as its first member.
273 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
274 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
275 (USE_MT19937): Define if none of the above are defined.
276 (USE_POSIX_FILE_IO): Define.
277 (_M_strtoul): Remove.
278 [USE_RDSEED] (__x86_rdseed): Define new function.
279 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
280 (random_device::_M_init(const string&)): Initialize new union members.
281 Add support for "rdseed" and "rand_s" tokens. Decide what the
282 "default" token does according to which USE_* macros are defined.
283 [USE_POSIX_FILE_IO]: Store a file descriptor.
284 [USE_MT19937]: Forward to _M_init_pretr1 instead.
285 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
286 code from _M_strtoul.
287 [!USE_MT19937]: Call _M_init, transforming the old default token or
288 numeric tokens to "default".
289 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
290 (random_device::_M_getval()): Use new union members to obtain a
291 random number from the stored function pointer or file descriptor.
292 [USE_MT19937]: Obtain a value from the mt19937 engine.
293 (random_device::_M_getval_pretr1()): Call _M_getval().
294 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
296 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
297 * testsuite/26_numerics/random/random_device/85494.cc: New test.
299 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
302 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
303 _M_split_cmpts() for a path with multiple components.
304 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
305 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
306 components and reserve space in vector. Return early when there is
308 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
309 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
311 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
312 form of std::equals for C++11 compatibility.
314 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
316 * doc/xml/manual/appendix_contributing.xml: Update pointer to
317 C++ standard at ansi.org.
319 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
321 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
322 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
325 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
326 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
328 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
330 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
332 * testsuite/20_util/function_objects/invoke/3.cc: New test.
333 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
334 "compile" test to "run".
336 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
337 * doc/html/*: Regenerate.
338 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
339 rvalue aliasing constructor.
340 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
341 (reinterpret_pointer_cast): Add overloads taking rvalues.
342 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
343 Add rvalue aliasing constructor.
344 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
345 "run" and check return values as well as types.
346 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
347 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
348 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
349 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
352 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
353 * doc/xml/manual/intro.xml: Likewise.
354 * include/std/future (__create_task_state): Add default arguments
355 to make providing an allocator optional.
356 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
357 instead of delegating to another constructor.
358 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
359 define allocator-extended constructors for C++17 and later.
360 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
362 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
363 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
364 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
366 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
368 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
369 Don't run the libstdc++/83237 part on simulator targets.
371 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
373 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
375 * doc/html/*: Regenerate.
377 * include/experimental/any (__any_caster): Use RTTI if comparing
378 addresses fails, to support non-unique addresses in shared libraries.
379 * include/std/any (__any_caster): Likewise.
382 * include/experimental/any (__any_caster): Constrain to only be
383 callable for object types. Use remove_cv_t instead of decay_t.
384 If the type decays or isn't copy constructible, compare the manager
385 function to a dummy specialization.
386 (__any_caster): Add overload constrained for non-object types.
387 (any::_Manager_internal<_Op>): Add dummy specialization.
388 * testsuite/experimental/any/misc/any_cast.cc: Test function types
391 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
394 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
395 reversed arguments to uninitialized_copy_n.
396 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
397 is unchanged by copy assignment.
398 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
399 compare path components.
402 * include/experimental/memory_resource: Add system header pragma and
403 do not define anything unless compiled as C++14 or later.
404 (__resource_adaptor_common::__guaranteed_alignment): Remove.
405 (__resource_adaptor_imp::do_allocate): If the requested alignment
406 is a fundamental alignment then either allocate directly from _M_alloc
407 or call the new _M_allocate function.
408 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
409 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
410 of the allocator rebound to a POD type with the specified alignment.
411 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
412 * testsuite/experimental/memory_resource/new_delete_resource.cc:
413 Adjust expected allocation sizes.
414 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
415 xfail for Solaris x86.
417 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
419 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
420 * include/pstl/execution_defs.h (__enable_if_execution_policy):
421 Use std::__remove_cvref_t when building with GCC.
423 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
426 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
427 Use "additional_flags" to pass -ltbb to v3_target_compile command.
428 Use check_v3_target_prop_cached to cache the result of the test.
430 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
432 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
435 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
436 Changed v3_target_compile check from preprocess to executable.
437 Added "-ltbb" to v3_target_compile flags.
439 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
441 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
442 Add check for Thread Building Blocks 2018 or later.
444 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
446 * testsuite/experimental/names.cc: Only include Networking TS headers
447 on targets with the necessary Gthreads support.
449 2019-05-20 Marek Polacek <polacek@redhat.com>
451 CWG 2094 - volatile scalars are trivially copyable.
453 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
454 result for volatile int.
456 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
458 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
459 * testsuite/experimental/names.cc: Include <experimental/filesystem>
462 PR c++/90532 Ensure __is_constructible(T[]) is false
463 * include/std/type_traits (__do_is_default_constructible_impl)
464 (__is_default_constructible_atom, __is_default_constructible_safe):
466 (is_default_constructible): Use is_constructible.
467 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
468 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
469 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
470 * testsuite/20_util/is_trivially_default_constructible/value.cc:
473 2019-05-20 Pádraig Brady <pbrady@fb.com>
475 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
476 to the deallocator with -fsized-deallocation.
478 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
480 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
481 test by passing correct alignment to deallocate function.
483 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
486 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
487 Raise exception if unique_ptr tuple member has unknown structure.
488 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
489 Adjust worker to support new __uniq_ptr_data base class. Do not
490 assume field called _M_head_impl is the first tuple element.
492 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
494 * include/bits/stl_deque.h
495 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
496 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
497 (_Deque_base::_Deque_impl_data): New.
498 (_Deque_base::_Deque_impl): Inherit latter.
499 (_Deque_base::_Deque_impl::_M_swap_data): Move...
500 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
501 (_Deque_base::_Deque_impl()): Add noexcept qualification.
502 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
503 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
504 (deque<>::deque()): Default.
505 (deque<>::deque(deque&&)): Default.
506 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
507 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
508 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
509 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
511 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
512 (deque<>::resize(size_type, const value_type&)): Share a single
514 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
516 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
517 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
518 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
519 * testsuite/23_containers/deque/allocator/default_init.cc: New.
521 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
524 * include/std/variant (holds_alternative, get, get_if): Improve
525 static assertion messages.
526 (bad_variant_access::bad_variant_access()): Change default message.
527 (__throw_bad_variant_access(bool)): New overload.
528 (get): Use new overload.
529 (visit, visit<R>): Improve exception message.
531 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
532 targets. Add more cases from P0608R3.
533 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
535 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
536 * include/experimental/type_traits (is_detected_exact)
537 (is_detected_exact_v): Likewise.
538 * include/pstl/execution_defs.h (is_execution_policy)
539 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
540 * include/pstl/execution_impl.h (__policy_traits): Likewise.
541 * testsuite/17_intro/names.cc: Check for more non-reserved names.
542 * testsuite/experimental/names.cc: New test.
545 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
546 assertions from the destructor.
547 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
548 Move static_assert for hash function to here.
549 (_Hash_table_base::_M_equals): Move static_assert for equality
551 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
553 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
554 the value directly instead of calling _S_value.
555 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
556 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
557 _S_key(_Const_Link_type).
558 * testsuite/23_containers/set/85965.cc: Check construction,
559 destruction, assignment and size() do not trigger the assertions.
560 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
561 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
563 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
564 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
565 * testsuite/23_containers/set/48101_neg.cc: Likewise.
566 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
567 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
568 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
569 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
571 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
572 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
575 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
577 * doc/html/*: Regenerate.
578 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
579 of decay_t (P0777R1).
581 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
583 Move from state of allocators (LWG2593)
584 * include/bits/stl_deque.h
585 (_Deque_base(_Deque_base&&, false_type)): Remove.
586 (_Deque_base(_Deque_base&&, true_type)): Remove.
587 (_Deque_base(_Deque_base&&)): Adapt.
588 (_Deque_base::_M_move_impl()): Remove.
589 * testsuite/util/testsuite_allocator.h
590 (propagating_allocator(propagating_allocator&&)): Preserve move from
592 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
594 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
596 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
597 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
598 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
600 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
602 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
603 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
605 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
607 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
609 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
611 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
613 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
615 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
617 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
620 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
622 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
623 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
625 * include/std/variant (__overload_set): Remove.
627 (_Build_FUN): New class template to define a single FUN overload,
628 with specializations to prevent unwanted conversions, as per P0608R3.
629 (_Build_FUNs): New class template to build an overload set of FUN.
630 (_FUN_type): New alias template to perform overload resolution.
631 (__accepted_type): Use integer_constant base for failure case. Use
632 _FUN_type for successful case.
633 (variant::__accepted_index): Use _Tp instead of _Tp&&.
634 (variant::variant(_Tp&&)): Likewise.
635 (variant::operator=(_Tp&&)): Likewise.
637 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
638 Replace raw visitation with a runtime check for the valueless state
639 and a non-raw visitor.
640 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
641 (variant::index()): Remove branch.
642 (variant::swap(variant&)): Use valueless_by_exception() instead of
643 comparing the index to variant_npos, and add likelihood attribute.
645 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
646 (_Hashtable_base::_Equal_hash_code): Define new class template.
647 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
650 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
651 Replace with _M_get non-static member function.
652 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
654 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
655 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
657 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
658 _S_get accessors for members in EBO helpers.
659 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
660 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
662 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
664 (_Hashtable_base::_M_eq()): Remove non-const overload.
666 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
668 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
670 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
672 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
675 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
677 * config/os/solaris/solaris2.10: Move to ...
678 * config/os/solaris: ... this.
679 * configure.host (os_include_dir): Adapt.
680 (abi_baseline_pair): Remove Solaris 10 handling.
681 * config/abi/post/i386-solaris2.10: Remove.
682 * config/abi/post/sparc-solaris2.10: Remove.
683 * config/abi/post/i386-solaris2.11: Rename to ...
684 * config/abi/post/i386-solaris: ... this.
685 * config/abi/post/sparc-solaris2.11: Rename to ...
686 * config/abi/post/sparc-solaris: ... this.
688 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
691 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
694 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
696 * include/std/variant (__visit_with_index): Remove typedef.
697 (__deduce_visit_result): New tag type.
698 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
699 visitation of possibly-valueless variants, forwarding to __do_visit
700 with the relevant tag type.
701 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
702 and make lambda return void.
703 (__variant_construct): Likewise.
704 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
705 __raw_idx_visit and make lambda return void.
706 (_Multi_array::__untag_result): Add metafunction to check the function
707 pointer type for a tag type that dictates the kind of visitation.
708 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
709 Use decltype(auto) instead of tagged function pointer type.
710 (__gen_vtable_impl): Remove bool non-type parameter and unused
711 _Variant_tuple parameter.
712 (__gen_vtable_impl::__visit_invoke_impl): Remove.
713 (__gen_vtable_impl::__do_visit_invoke): Remove.
714 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
715 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
716 for the visit<R> case, rather than dispatching to separate functions.
717 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
719 (variant::swap): Likewise.
720 (__do_visit): Replace two non-type template parameters with a single
721 type parameter, so that the caller must specify the visitor's return
722 type (or one of the tag types).
723 (visit): Deduce a return type from the visitor and use the
724 __deduce_visit_result tag to enforce that all overloads return the
726 (visit<R>): Call __do_visit<R> with explicit result type.
727 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
730 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
732 nonesuch is insufficiently useless (lwg2996)
733 * include/std/type_traits (struct __nonesuch): Added private base
734 class to make __nonesuch not an aggregate and removed deleted default
736 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
737 (operator=(const pair&)): Use __nonesuch instead of
738 __nonesuch_no_braces.
739 (operator=(pair&&)): Likewise
740 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
741 of __nonesuch_no_braces.
742 (operator=(tuple&&)): Likewise
743 * include/experimental/type_traits (struct nonesuch): Added private
744 base class to make nonesuch not an aggregate and removed deleted
746 * testsuite/20_util/nonesuch/nonesuch.cc: New.
747 * testsuite/experimental/type_traits/nonesuch.cc: New.
749 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
751 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
752 (_Function_handler): Remove partial specializations for void return
753 types and pointers to member.
754 (_Function_handler::_M_manager): Adapt to removal of
755 _Simple_type_wrapper.
756 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
757 * include/std/functional (_Bind_result::__enable_if_void)
758 (_Bind_result::__disable_if_void): Remove sfinae helpers.
759 (_Bind_result::__call): Use __invoke_r and remove overloads for void
761 * include/std/future (__future_base::_Task_state::_M_run)
762 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
763 change return type of lambda expressions.
765 * include/bits/invoke.h (__invoke_r): Define new function implementing
766 the INVOKE<R> pseudo-function.
767 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
768 * testsuite/20_util/function_objects/invoke/2.cc: New test.
770 * include/std/type_traits (__is_nt_convertible_helper): Define it
771 unconditionally, not only for C++20.
772 (__is_nothrow_convertible): Define internal trait for use in C++11.
773 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
774 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
775 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
776 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
777 that has nothrow explicit conversion but potentially-throwing implicit
779 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
780 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
781 function to only consider implicit conversions.
782 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
784 * include/std/iterator: Include <iosfwd> instead of <istream> and
787 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
788 Remove unused, non-standard function.
790 * include/bits/regex.h (match_results::max_size()): Adjust return
791 value to account for prefix/suffix/unmatched subs.
792 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
793 reset the contained sub matches.
794 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
795 function to set result state following a failed match.
796 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
797 sub_match states after _M_resize. Use _M_establish_failed_match.
800 * include/std/thread (thread::_State_impl, thread::_S_make_state):
801 Replace single _Callable parameter with variadic _Args pack, to
802 forward them directly to the tuple of decayed copies.
803 * testsuite/30_threads/thread/cons/69724.cc: New test.
805 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
807 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
808 * include/bits/basic_string.h: (operator=(const basic_string&):
809 Move allocator decision to assign.
810 (assign(const basic_string&)): Move allocator decision here.
811 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
813 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
816 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
818 * testsuite/util/testsuite_allocator.h (memory_resource)
819 (default_resource_mgr): Fix indentation.
821 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
822 Use operator-> to access raw pointer member.
823 * testsuite/23_containers/vector/59829.cc: Likewise.
824 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
825 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
826 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
828 (PointerBase, PointerBase_void): Derive from NullablePointer and use
829 its constructors and equality operators. Change converting
830 constructors to use operator-> to access private member of the other
832 (PointerBase_void::operator->()): Add, for access to private member.
833 (operator-(PointerBase, PointerBase)): Change to hidden friend.
834 (operator==(PointerBase, PointerBase)): Remove.
835 (operator!=(PointerBase, PointerBase)): Remove.
837 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
838 not assume field called _M_head_impl is the first tuple element.
839 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
840 implementation more accurate.
841 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
842 empty pointer type and non-empty deleter.
844 LWG 2899 - Make is_move_constructible correct for unique_ptr
845 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
846 move assignment operator.
847 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
848 (__uniq_ptr_data): New class template with conditionally deleted
850 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
851 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
852 constructor and move assignment operator as defaulted.
853 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
854 __uniq_ptr_impl::release().
855 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
856 to __uniq_ptr_impl::reset(pointer).
857 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
858 Check for new __uniq_ptr_data type.
859 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
861 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
863 PR libstdc++/90454.cc path construction from void*
864 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
865 pointers to void are rejected as well as void.
866 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
867 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
869 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
871 * doc/xml/manual/policy_data_structures.xml: Comment out stray
872 <remark> elements. Fix formatting of bibliography references.
874 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
876 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
878 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
880 Remove Profile Mode, deprecated since 7.1.0
881 * doc/Makefile.am: Remove XML file for profile mode docs.
882 * doc/Makefile.in: Regenerate.
883 * doc/xml/authors.xml: Remove authors of profile mode docs.
884 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
886 * doc/xml/manual/debug.xml: Likewise.
887 * doc/xml/manual/evolution.xml: Document removal of profile mode.
888 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
889 * doc/xml/manual/spine.xml: Remove profile mode author credit.
890 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
892 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
894 * doc/html/*: Regenerate.
895 * include/Makefile.am: Remove profile mode headers.
896 * include/Makefile.in: Regenerate.
897 * include/bits/c++config (std::__profile): Remove namespace.
898 [_GLIBCXX_PROFILE]: Remove checks for macro.
899 * include/profile/array: Remove.
900 * include/profile/base.h: Remove.
901 * include/profile/bitset: Remove.
902 * include/profile/deque: Remove.
903 * include/profile/forward_list: Remove.
904 * include/profile/impl/profiler.h: Remove.
905 * include/profile/impl/profiler_algos.h: Remove.
906 * include/profile/impl/profiler_container_size.h: Remove.
907 * include/profile/impl/profiler_hash_func.h: Remove.
908 * include/profile/impl/profiler_hashtable_size.h: Remove.
909 * include/profile/impl/profiler_list_to_slist.h: Remove.
910 * include/profile/impl/profiler_list_to_vector.h: Remove.
911 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
912 * include/profile/impl/profiler_node.h: Remove.
913 * include/profile/impl/profiler_state.h: Remove.
914 * include/profile/impl/profiler_trace.h: Remove.
915 * include/profile/impl/profiler_vector_size.h: Remove.
916 * include/profile/impl/profiler_vector_to_list.h: Remove.
917 * include/profile/iterator_tracker.h: Remove.
918 * include/profile/list: Remove.
919 * include/profile/map: Remove.
920 * include/profile/map.h: Remove.
921 * include/profile/multimap.h: Remove.
922 * include/profile/multiset.h: Remove.
923 * include/profile/ordered_base.h: Remove.
924 * include/profile/set: Remove.
925 * include/profile/set.h: Remove.
926 * include/profile/unordered_base.h: Remove.
927 * include/profile/unordered_map: Remove.
928 * include/profile/unordered_set: Remove.
929 * include/profile/vector: Remove.
930 * scripts/run_doxygen: Do not process profile mode headers.
931 * testsuite/23_containers/array/element_access/60497.cc: Don't use
933 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
934 Remove dg-skip-if for profile mode.
935 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
936 preprocessor check for profile mode.
937 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
938 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
940 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
942 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
943 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
944 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
945 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
946 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
948 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
950 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
952 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
954 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
955 preprocessor check for profile mode.
956 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
958 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
959 Remove dg-skip-if for profile mode.
960 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
961 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
962 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
963 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
964 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
965 * testsuite/Makefile.am: Remove profile_flags variable and
966 * testsuite/Makefile.am: Remove profile_flags variable and
967 check-profile target.
968 * testsuite/Makefile.in: Regenerate.
969 * testsuite/ext/profile/all.cc: Remove.
970 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
971 * testsuite/ext/profile/profiler_algos.cc: Remove.
972 * testsuite/ext/profile/replace_new.cc: Remove.
973 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
974 preprocessor check for profile mode.
975 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
976 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
977 (check_v3_target_normal_mode): Do not check for profile mode macro.
978 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
980 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
981 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
982 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
983 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
984 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
985 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
986 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
987 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
988 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
989 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
991 Remove array_allocator extension, deprecated since 4.9.0
992 * doc/xml/manual/allocator.xml: Remove documentation for
994 * doc/xml/manual/evolution.xml: Document array_allocator removal.
995 * doc/xml/manual/using.xml: Remove header from documentation.
996 * include/Makefile.am: Remove <ext/array_allocator.h> header.
997 * include/Makefile.in: Regenerate.
998 * include/ext/array_allocator.h: Remove.
999 * include/precompiled/extc++.h: Do not include removed header.
1000 * testsuite/ext/array_allocator/1.cc: Remove.
1001 * testsuite/ext/array_allocator/2.cc: Remove.
1002 * testsuite/ext/array_allocator/26875.cc: Remove.
1003 * testsuite/ext/array_allocator/3.cc: Remove.
1004 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
1005 * testsuite/ext/array_allocator/check_delete.cc: Remove.
1006 * testsuite/ext/array_allocator/check_new.cc: Remove.
1007 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
1008 * testsuite/ext/headers.cc: Do not include removed header.
1010 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
1012 * include/bits/stl_bvector.h
1013 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1015 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1017 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1019 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1021 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1023 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1025 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1027 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
1029 (_Bit_iterator::operator-(difference_type)): Likewise.
1030 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
1031 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
1033 (_Bit_const_iterator::operator-(difference_type)): Likewise.
1034 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
1036 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
1039 * testsuite/util/thread/all.h: Do not use remove_pointer for
1040 std::thread::native_handle_type.
1043 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
1044 (_Variant_storage<true, Types...>::_M_reset()))
1045 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
1046 (__get_storage): Likewise.
1047 (variant): Add noexcept to friend declarations for __get and
1051 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
1052 Use _Require for constraints.
1053 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
1055 (__uniq_ptr_hash): New base class with conditionally-disabled call
1057 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
1058 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
1059 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
1061 * include/bits/shared_ptr.h: Improve docs.
1062 * include/bits/shared_ptr_base.h: Likewise.
1063 * include/bits/stl_uninitialized.h: Likewise.
1064 * include/bits/unique_ptr.h: Likewise.
1065 * libsupc++/new: Likewise.
1067 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
1069 * include/bits/stl_deque.h
1070 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1072 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1074 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1076 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1078 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1080 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1082 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
1084 (_Deque_iterator<>::operator-(difference_type)): Likewise.
1086 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
1089 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
1090 (test01): Reserve for number of insertions to avoid rehash during test.
1091 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1093 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1098 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
1100 * include/experimental/bits/fs_path.h: Improve docs.
1101 * include/experimental/bits/net.h: Fix wrong header name in comment.
1102 Do not document implementation details.
1103 * include/experimental/netfwd: Fix doxygen grouping.
1105 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1107 * include/bits/stl_pair.h: Improve docs.
1108 * include/std/tuple: Likewise.
1110 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
1112 * include/std/chrono: Improve docs.
1113 * include/std/ratio: Do not document implementation details.
1114 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
1116 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1119 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
1120 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
1121 (__duration_common_type): New helper.
1122 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
1123 __duration_common_type.
1124 (__timepoint_common_type_wrapper): Replace with ...
1125 (__timepoint_common_type): New helper.
1126 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
1127 Use __time_point_common_type.
1128 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
1129 (__common_type_impl): If either argument is transformed by decay,
1130 use the common_type of the decayed types.
1131 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
1132 decayed, use __do_common_type_impl to get the common_type.
1133 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
1134 (__do_member_type_wrapper, __member_type_wrapper)
1135 (__expanded_common_type_wrapper): Remove.
1136 (__common_type_pack, __common_type_fold): New helpers.
1137 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
1138 __member_type_wrapper and __expanded_common_type_wrapper.
1139 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
1140 Test zero-length template argument list.
1141 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
1142 Test single argument cases and argument types that should decay.
1143 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
1144 Adjust expected error.
1145 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
1147 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1148 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1149 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1151 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
1153 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
1155 Make allocator propagation more consistent for
1156 operator+(basic_string) (P1165R1)
1157 * include/bits/basic_string.h
1158 (operator+(basic_string&&, basic_string&&): Changed resulting
1159 allocator to always be the one from the first parameter.
1160 * include/bits/basic_string.tcc
1161 (operator+(const _CharT*, const basic_string&)): Changed
1162 resulting allocator to be SOCCC on the second parameter's allocator.
1163 (operator+(_CharT, const basic_string&)): Likewise.
1164 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
1166 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
1169 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1171 * include/bits/regex.h: Improve docs.
1172 * include/bits/regex.tcc: Do not document implementation details.
1174 * testsuite/19_diagnostics/error_code/hash.cc: New test.
1176 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
1178 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
1179 Add type printer for container types in std::__debug namespace.
1180 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
1181 (gdb-tests): Use distinct parameters for the type of test and use of
1183 (gdb-test): Check for regex test even if 'whatis' test.
1184 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
1186 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1187 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1188 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1189 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1190 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1191 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1192 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1194 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
1196 * include/std/system_error (error_category): Fix comment.
1199 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
1200 argument is an empty path.
1201 (absolute(const path&, error_code&)): Use invalid_argument as error
1202 code instead of no_such_file_or_directory.
1203 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
1204 of non-existent paths and empty paths with both overloads of absolute.
1206 * include/std/system_error (error_category, error_code)
1207 (error_condition): Improve docs.
1208 * libsupc++/exception: Add missing @addtogroup Doxygen command.
1209 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
1210 to class documentation. Suppress documentation for implementation
1212 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
1213 Suppress documentation for implementation details.
1215 * include/std/system_error (error_code): Remove friend declaration
1216 for hash<error_code>.
1217 (hash<error_code>::operator()): Use public member functions to access
1219 (hash<error_condition>::operator()): Use address of category, not
1220 its object representation.
1221 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
1222 Use public member functions to access value and category.
1223 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
1225 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
1227 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
1228 * include/bits/hashtable_policy.h
1229 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
1230 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
1231 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
1232 smaller than input value rather than always greater. Preserve
1233 _M_next_resize if called with 0 input. Use __builtin_floorl.
1234 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
1235 elements + number of insertions is greater than _M_next_resize. Start
1236 with 11 buckets if not told otherwise. Use __builtin_floorl.
1237 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
1238 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1239 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
1240 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
1241 told otherwise. Use __builtin_floorl.
1242 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
1243 to also validate _Power2_rehash_policy.
1244 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
1247 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
1250 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
1254 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
1255 overflow warning with -Wpedantic -Wsystem-headers.
1257 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
1260 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
1261 * include/bits/move.h (swap): Remove extra parentheses.
1263 * include/experimental/bits/lfts_config.h: Improve doc markup.
1264 * include/experimental/optional: Improve docs.
1265 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
1266 (__constexpr_addressof): Remove.
1267 (optional::operator->()): Use std::__addressof().
1268 * include/std/optional (optional::operator->()): Adjust whitespace.
1269 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
1270 that operator-> is still constexpr with overloaded operator&. Change
1271 to compile-only test.
1272 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
1275 * include/bits/shared_ptr.h: Improve docs.
1276 * include/bits/shared_ptr_atomic.h: Likewise.
1277 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
1279 * include/bits/basic_string.h: Fix iterator/index confusion in
1281 * include/bits/range_access.h: Fix Doxygen warnings.
1282 * include/bits/refwrap.h: Do not document implementation details.
1283 (ref, cref): Group docs with reference_wrapper.
1284 * include/std/fstream: Fix Doxygen markup.
1285 * libsupc++/initializer_list (begin, end): Group docs with
1288 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
1290 * include/bits/unique_lock.h: Fix/improve doxygen markup.
1291 * include/std/mutex: Likewise.
1292 * include/std/shared_mutex: Likewise.
1294 * include/bits/fs_dir.h: Fix/improve doxygen markup.
1295 * include/bits/fs_fwd.h: Likewise.
1296 * include/bits/fs_ops.h: Likewise.
1297 * include/bits/fs_path.h: Likewise.
1298 * include/std/filesystem: Likewise.
1300 * include/experimental/bits/net.h: Fix/improve doxygen markup.
1301 * include/experimental/buffer: Likewise.
1302 * include/experimental/executor: Likewise.
1303 * include/experimental/internet: Likewise.
1304 * include/experimental/io_context: Likewise.
1305 * include/experimental/net: Likewise.
1306 * include/experimental/netfwd: Likewise.
1307 * include/experimental/socket: Likewise.
1308 * include/experimental/timer: Likewise.
1310 * doc/doxygen/doxygroups.cc: Move description of experimental group
1312 * include/experimental/algorithm: Add to libfund-ts doc group.
1313 * include/experimental/any: Likewise. Do not document implementation
1315 * include/experimental/array: Add to libfund-ts doc group.
1316 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
1317 for Library Fundamentals.
1318 * include/experimental/chrono: Add to libfund-ts doc group.
1319 * include/experimental/deque: Likewise.
1320 * include/experimental/forward_list: Likewise.
1321 * include/experimental/functional: Likewise.
1322 * include/experimental/iterator: Likewise.
1323 * include/experimental/list: Likewise.
1324 * include/experimental/map: Likewise.
1325 * include/experimental/memory: Likewise.
1326 * include/experimental/memory_resource: Likewise. Improve docs.
1328 * include/experimental/numeric: Add to libfund-ts doc group.
1329 * include/experimental/optional: Likewise.
1330 * include/experimental/propagate_const: Likewise.
1331 * include/experimental/random: Likewise.
1332 * include/experimental/ratio: Likewise.
1333 * include/experimental/regex: Likewise.
1334 * include/experimental/set: Likewise.
1335 * include/experimental/source_location: Likewise.
1336 * include/experimental/string: Likewise.
1337 * include/experimental/string_view: Likewise.
1338 * include/experimental/system_error: Likewise.
1339 * include/experimental/tuple: Likewise.
1340 * include/experimental/type_traits: Likewise.
1341 * include/experimental/unordered_map: Likewise.
1342 * include/experimental/unordered_set: Likewise.
1343 * include/experimental/utility: Likewise.
1344 * include/experimental/vector: Likewise.
1345 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
1346 * testsuite/experimental/array/neg.cc: Adjust dg-error.
1347 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
1349 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
1350 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
1351 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
1352 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
1353 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
1355 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
1356 * include/experimental/bits/fs_fwd.h: Improve docs.
1357 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
1358 * include/experimental/bits/fs_path.h: Likewise.
1359 (path, filesystem_error, u8path): Improve docs.
1360 * include/experimental/filesystem: Link to docs for TS.
1362 * config/allocator/new_allocator_base.h (__allocator_base): Add
1363 workaround for Doxygen bug #6945.
1364 * include/std/memory: Improve docs. Define group for pointer safety.
1365 * include/std/scoped_allocator: Improve docs. Use "undocumented"
1366 conditional to suppress documentation for implementation details.
1368 * include/bits/specfun.h: Improve docs.
1369 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
1372 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
1373 (std::experimental): Add docs.
1374 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
1375 namespace to nothing when generating docs.
1376 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
1377 * include/std/chrono (std::chrono): Likewise.
1378 * include/std/functional (std::placeholders): Likewise.
1379 * include/std/thread (std::this_thread): Likewise.
1381 * include/parallel/settings.h: Fix Doxygen markup.
1383 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
1384 anything unless PB_DS_CLASS_C_DEC is defined.
1385 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
1386 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
1387 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
1388 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
1389 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
1390 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
1391 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
1393 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
1394 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
1395 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
1396 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
1397 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
1398 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
1399 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
1400 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
1401 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
1402 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
1403 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
1405 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
1406 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
1408 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
1411 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
1412 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
1413 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
1416 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1418 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
1419 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
1420 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
1421 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
1422 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
1423 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
1425 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
1426 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
1429 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
1432 * include/std/complex (__complex_proj): Return parameter unchanged.
1433 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
1434 floating-point types to take std::complex arguments.
1435 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
1436 floating-point types.
1437 * testsuite/26_numerics/complex/proj.cc: New test.
1439 2019-04-30 Jakub Jelinek <jakub@redhat.com>
1441 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
1442 to _Lock_policyE[012].
1443 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
1445 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
1447 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
1448 macros accidentally left in.
1449 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
1450 unnecessary -lstdc++fs option. Fix test for mingw.
1451 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
1454 2019-04-30 Jakub Jelinek <jakub@redhat.com>
1456 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
1458 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
1460 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
1462 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
1463 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
1466 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
1468 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
1471 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
1472 class template and partial specialization.
1475 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
1477 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
1478 functions to convert a value to an integral type.
1479 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
1480 (fill_n): Convert _Size parameter to an integral type.
1481 * testsuite/25_algorithms/fill_n/87982.cc: New test.
1482 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
1483 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
1484 * testsuite/25_algorithms/generate_n/87982.cc: New test.
1485 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
1486 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
1488 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
1490 Adding noexcept-specification on tuple constructors (LWG 2899)
1491 * libstdc++-v3/include/std/tuple:
1492 (tuple()): Add noexcept-specification.
1493 (tuple(const _Elements&...)): Likewise
1494 (tuple(_UElements&&...)): Likewise
1495 (tuple(const tuple<_UElements...>&)): Likewise
1496 (tuple(tuple<_UElements...>&&)): Likewise
1497 (tuple(const _T1&, const _T2&)): Likewise
1498 (tuple(_U1&&, _U2&&)): Likewise
1499 (tuple(const tuple<_U1, _U2>&): Likewise
1500 (tuple(tuple<_U1, _U2>&&): Likewise
1501 (tuple(const pair<_U1, _U2>&): Likewise
1502 (tuple(pair<_U1, _U2>&&): Likewise
1503 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
1505 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
1508 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
1509 arguments with __restrict.
1511 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
1513 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
1515 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
1517 * include/experimental/bits/fs_path.h
1518 (path::_S_convert_loc<_InputIterator>): Create const std::string to
1519 avoid redundant call to _S_convert_loc with non-const pointers.
1521 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
1522 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
1523 * testsuite/21_strings/basic_string/hash/hash.cc
1524 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
1525 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
1526 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
1528 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
1529 wstring::_M_replace_dispatch with more specific patterns.
1530 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
1531 Create const std::string to avoid redundant call to _S_convert_loc
1532 with non-const pointers.
1533 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
1534 avoid unnecessary basic_string::assign instantiations.
1536 * include/std/memory (__uses_alloc_args): Add string-literal to
1537 static_assert, to match the one in __uses_alloc.
1538 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
1539 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
1540 for recursive uses-allocator construction of nested pairs.
1541 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
1544 2019-04-26 Jakub Jelinek <jakub@redhat.com>
1546 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1547 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1548 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1549 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1551 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1552 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1553 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1554 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1555 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1556 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1557 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1559 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
1562 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
1563 * include/std/scoped_allocator [__cplusplus > 201703L]
1564 (scoped_allocator_adaptor::construct): Define in terms of
1565 uses_allocator_construction_args, as per P0591R4.
1566 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
1567 * testsuite/util/testsuite_allocator.h: Remove name of unused
1570 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
1572 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
1573 * doc/html/*: Regenerate.
1575 * include/bits/fs_path.h (operator<, operator<=, operator>)
1576 (operator>=, operator==, operator!=): Make hidden friends, as per
1578 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
1579 string type in test.
1580 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
1582 * include/std/any (any::any(ValueType&&)): Use __and_v.
1583 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
1586 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
1588 * include/std/type_traits (__result_of_memfun): Use remove_reference
1589 instead of __remove_cvref_t and remove redundant is_same check.
1590 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
1592 * include/experimental/string_view (basic_string_view::pointer)
1593 (basic_string_view::reference): Fix to refer to non-const value_type.
1594 * include/bits/basic_string.h (basic_string): Use __sv_check and
1595 __sv_limit instead of basic_string_view::_M_check and
1596 basic_string_view::_M_limit.
1597 * include/std/string_view (__sv_check, __sv_limit): New
1598 helper functions to replace basic_string_view::_M_check and
1599 basic_string_view::_M_limit.
1600 (basic_string_view): Add static assertions to enforce ill-formed
1601 requirement for traits_type::char_type from P1148R0, and to enforce
1602 required properties of char-like types.
1603 (basic_string_view::pointer, basic_string_view::reference): Fix to
1604 refer to non-const value_type.
1605 (basic_string_view::operator[], basic_string_view::at)
1606 (basic_string_view::front, basic_string_view::back)
1607 (basic_string_view::data): Use const_reference and const_pointer
1608 typedefs for return types.
1609 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
1610 (hash<wstring_view>): Fix argument_type typedef.
1611 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1612 char/1.cc: Fix expected return type of basic_string_view::data().
1613 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
1614 wchar_t/1.cc: Likewise.
1615 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1616 char/1.cc: Likewise.
1617 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
1618 wchar_t/1.cc: Likewise.
1619 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
1621 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
1622 Check reference and pointer typedefs.
1623 * testsuite/experimental/string_view/requirements/typedefs.cc:
1625 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
1626 Fix expected return type of basic_string_view::data().
1627 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
1629 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
1631 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
1635 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
1636 Avoid a runtime check for types that can never be stored in std::any.
1637 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
1640 PR libstdc++/90220 (partial)
1641 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
1642 not attempt ill-formed static_cast to pointers to non-object types.
1643 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
1646 * testsuite/20_util/variant/run.cc: Catch exception by reference to
1647 prevent -Wcatch-value warning.
1649 * include/std/variant (__variant_construct): Use template parameter
1650 type instead of equivalent decltype-specifier.
1651 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
1652 Replace forward with move.
1653 (_Move_ctor_base<false, Types...>::_M_destructive_move)
1654 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
1655 (_Move_ctor_base<true, Types...>::_M_destructive_move)
1656 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
1657 index after construction succeeds.
1658 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
1659 if-constexpr checks that are always true. Use __remove_cvref_t instead
1660 of remove_reference so that is_nothrow_move_constructible check
1661 doesn't use a const rvalue parameter. In the potentially-throwing case
1662 construct a temporary and move assign it, as per LWG 2904.
1663 (_Move_assign_base<false, Types...>::operator=): Remove redundant
1664 if-constexpr checks that are always true. Use emplace as per LWG 2904.
1665 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
1666 construct a temporary and move assign from it, as per LWG 2904.
1667 * testsuite/20_util/variant/exception_safety.cc: Check that
1668 assignment operators have strong exception safety guarantee.
1670 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
1672 Document PSTL linker flags
1674 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
1676 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
1678 * include/std/variant (__detail::__variant::_Traits): Make
1679 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
1680 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
1682 (__detail::__variant::_Copy_assign_alias): Only depend on
1683 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
1684 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
1685 move assignment operators.
1688 * include/std/variant (variant::__not_self): New helper for the
1689 is_same_v<remove_cvref_t<T>, variant>==false constraints.
1690 (variant::__to_type_impl): Remove.
1691 (variant::__to_type): Add default argument to check pack size, instead
1692 of using __to_type_impl.
1693 (variant::__accepted_type): Add default argument using __not_self.
1694 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
1695 for variant(T&&) constructor constraint.
1696 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
1697 Extract __accepted_type into a named template parameter for reuse in
1698 other constraints and in the exception specification.
1699 (variant::variant(in_place_type_t<T>, Args&&...))
1700 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
1701 (variant::variant(in_place_index_t<T>, Args&&...))
1702 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
1703 (variant::operator=T&&)): Remove redundant && from trait arguments.
1704 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
1705 isn't used for in_place_type or in_place_index arguments.
1707 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
1708 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
1709 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
1711 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1712 Bernd Edlinger <bernd.edlinger@hotmail.de>
1713 Jakub Jelinek <jakub@redhat.com>
1716 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
1717 general-regs-only target attribute for ARM.
1719 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
1722 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
1723 specialization also depend on is_nothrow_move_constructible.
1724 * include/std/variant (__detail::__variant::__never_valueless()):
1725 Only true if the variant would have a move assignment operator.
1726 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
1727 Check __never_valueless<T...>().
1728 (variant::emplace): Only perform non-throwing move assignments
1729 for never-valueless alternatives if the variant has a move assignment
1731 * testsuite/20_util/variant/compile.cc: Check that never-valueless
1732 types can be emplaced into non-assignable variants.
1733 * testsuite/20_util/variant/run.cc: Check that never-valueless types
1734 don't get copied when emplaced into non-assignable variants.
1736 * include/std/variant (__detail::__variant::__ref_cast): Remove
1738 (__detail::__variant::_Uninitialized::_M_get)
1739 (__detail::__variant::__get)
1740 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
1742 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
1744 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
1746 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
1747 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
1748 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
1749 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
1751 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
1753 Delegate PSTL configuration to pstl/pstl_config.h
1755 * include/bits/c++config: Remove explicit PSTL configuration
1756 macros and use definitions from <pstl/pstl_config.h>.
1758 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
1760 Cleanup algorithm implementations
1761 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
1763 (mismatch): Forward execution policy.
1764 (equal): Qualify call to std::equal().
1765 (partial_sort): Forward execution policy.
1766 (inplace_merge): Forward execution policy.
1768 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
1770 Improve implementation of parallel equal()
1771 * include/pstl/algorithm_impl.h
1772 (__internal::__brick_equal): use "4 iterator" version of
1774 (__internal::__brick_equal): use simd for random access
1775 iterators on unsequenced execution policies.
1776 (__internal::__pattern_equal): add "4 iterator" version
1777 (__internal::__pattern_equal): dispatch to simd __brick_equal
1778 for vector-only execution policies.
1779 (__internal::__pattern_equal): dispatch to __parallel_or for
1780 parallel execution policies.
1781 * include/pstl/glue_algorithm_impl.h
1782 (std::equal): dispatch to "4 iterator" version of
1783 __internal::__pattern_equal().
1785 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
1788 * include/bits/forward_list.h (operator==): Do not use operator!= to
1790 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
1791 earlier in the list, so that sort is stable.
1792 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
1793 * testsuite/23_containers/forward_list/comparable.cc: Test with
1794 types that meet the minimum EqualityComparable and LessThanComparable
1795 requirements. Remove irrelevant comment.
1797 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
1798 Do not depend on whether all alternative types are move constructible.
1799 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
1800 from the operand when deciding whether to perform the assignment.
1801 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
1802 with deleted move constructor and deleted move assignment operator.
1803 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
1804 behaviour of variants with DeletedMoves as an alternative.
1805 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
1806 (move_ctor, move_assign): Check that moving a variant with a
1807 DeletedMoves alternative falls back to copying instead of moving.
1809 * testsuite/20_util/variant/compile.cc: Remove empty string literals
1810 from static_assert declarations.
1812 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
1813 actually match its name.
1814 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
1815 (test_swap()): Fix result for MoveCtorOnly and check
1816 MoveCtorAndSwapOnly.
1818 * include/std/optional (optional::value_or(U&&) &&): Add missing
1819 constexpr specifier.
1820 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
1821 for disengaged optionals and rvalue optionals.
1822 * testsuite/20_util/optional/observers/4.cc: Likewise.
1824 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
1826 * include/pstl/algorithm_impl.h: Uglify identfiers.
1827 * include/pstl/numeric_impl.h: Uglify identfiers.
1828 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
1830 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
1832 * include/bits/c++config:
1833 Add definition for __PSTL_ASSERT.
1834 Add definition for __PSTL_ASSERT_MSG.
1835 * include/pstl/algorithm_impl.h: Replace use of assert().
1836 * include/pstl/numeric_impl.h: Replace use of assert().
1837 * include/pstl/parallel_backend_tbb.h:
1838 Replace use of assert().
1839 Replace use of __TBB_ASSERT().
1840 * include/pstl/parallel_backend_utils.h: Replace use of assert().
1842 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
1845 * src/c++17/memory_resource.cc
1846 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
1847 needed to allow placing a _Chunk at the end of the buffer.
1848 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
1850 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
1852 * doc/xml/faq.xml: Add information about emergency EH pool.
1853 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
1854 Move outdated information on mt_allocator to a separate section.
1855 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
1856 doesn't affect the default allocator.
1858 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
1862 * testsuite/20_util/variant/89851.cc: New test.
1864 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
1866 * include/std/variant: Adjust whitespace. Add comments.
1867 (_Multi_array): Leave primary template undefined.
1868 (_Multi_array<_Tp>): Define partial specialization for base case of
1870 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
1871 which is always a reference.
1872 (__gen_vtable::_S_apply()): Remove function, inline body into
1873 default member initializer.
1874 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
1876 * include/std/variant (__variant_idx_cookie): Add member type.
1877 (__visitor_result_type): Remove.
1878 (__do_visit): Use invoke_result instead of __visitor_result_type.
1879 * testsuite/20_util/variant/visit.cc: New test.
1882 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
1884 * testsuite/20_util/variant/90008.cc: New test.
1886 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
1888 * include/pstl/algorithm_impl.h: Add namespace qualification.
1889 * include/pstl/execution_defs.h: Add namespace qualification.
1890 * include/pstl/execution_impl.h: Add namespace qualification.
1891 * include/pstl/numeric_impl.h: Add namespace qualification.
1892 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
1893 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
1894 * include/pstl/parallel_backend_utils.h: Include <cassert>.
1896 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
1898 Fix visit<R> for variant.
1899 * include/std/variant (__do_visit): Add a template parameter
1900 for enforcing same return types for visit.
1901 (__gen_vtable_impl): Likewise.
1902 (_S_apply_single_alt): Adjust.
1903 (__visit_invoke_impl): New. Handle casting to void.
1904 (__do_visit_invoke): New. Enforces same return types.
1905 (__do_visit_invoke_r): New. Converts return types.
1906 (__visit_invoke): Adjust.
1907 (__gen_vtable): Add a template parameter for enforcing
1908 same return types for visit.
1909 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
1910 different return types.
1911 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
1912 visitors with different return types don't accidentally
1913 compile with regular visitation.
1915 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
1917 * testsuite/27_io/filesystem/iterators/caching.cc: Add
1918 dg-require-filesystem-ts.
1920 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
1922 * doc/xml/manual/status_cxx2020.xml: Update status.
1923 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
1924 * testsuite/20_util/variant/visit_r.cc: New test.
1926 * include/bits/fs_dir.h (directory_iterator::operator*)
1927 (directory_iterator::operator->): Add noexcept.
1928 (operator==, operator!=): Replace namespace-scope equality operators
1929 for directory iterators with hidden friends.
1932 * config/abi/pre/gnu.ver: Add missing exports.
1933 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
1936 * config/abi/pre/gnu.ver: Export new symbols.
1937 * include/bits/fs_dir.h (recursive_directory_iterator::options())
1938 (recursive_directory_iterator::recursion_pending())
1939 (recursive_directory_iterator::disable_recursion_pending()): Remove
1940 inline definitions. Make noexcept.
1941 (recursive_directory_iterator::depth())
1942 (recursive_directory_iterator::operator*())
1943 (recursive_directory_iterator::operator->()): Make noexcept.
1944 (recursive_directory_iterator::_M_options)
1945 (recursive_directory_iterator::_M_pending): Remove data members.
1946 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
1947 (recursive_directory_iterator::recursive_directory_iterator): Remove
1948 ctor-initializer. Use new constructor for _Dir_stack.
1949 (recursive_directory_iterator::options())
1950 (recursive_directory_iterator::recursion_pending())
1951 (recursive_directory_iterator::disable_recursion_pending()): Add
1952 non-inline definitions.
1953 (recursive_directory_iterator::depth()): Make noexcept.
1954 (recursive_directory_iterator::increment(error_code&))
1955 (recursive_directory_iterator::pop(error_code&)): Adjust to new
1956 location of options and recursion_pending members.
1957 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
1958 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
1959 user-declared move constructor and assignment operator, to make the
1962 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
1963 d_type == DT_UNKNOWN immediately.
1964 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
1966 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
1968 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
1970 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
1971 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
1974 PR libstdc++/87431 (again)
1975 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
1976 Define partial specialization for basic_string.
1977 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
1978 shared_ptr and weak_ptr.
1979 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
1981 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
1983 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
1985 * include/debug/vector (_Never_valueless_alt): Likewise for debug
1987 * include/std/any (_Never_valueless_alt): Define explicit
1988 specialization for any.
1989 * include/std/variant (_Never_valueless_alt): Define primary template.
1990 (__never_valueless): Use _Never_valueless_alt instead of
1991 is_trivially_copyable.
1992 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
1993 initializations to avoid try-catch overhead. Add special case for
1994 scalars produced by potentially-throwing conversions. Use
1995 _Never_valueless_alt instead of is_trivially_copyable for the
1996 remaining strong exception-safety cases.
1997 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
1998 * testsuite/20_util/variant/87431.cc: Run both test functions.
1999 * testsuite/20_util/variant/exception_safety.cc: New test.
2000 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
2001 so the variant becomes valueless.
2003 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
2006 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
2008 (variant::emplace<_Tp>): Return result of emplace<N> directly.
2010 * include/std/string (__hash_string_base): New class template defining
2011 operator() for hashing strings.
2012 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
2013 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
2014 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
2015 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
2017 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
2019 Use single-visitation in variant assignment and swap and relops.
2020 Also use indices instead of types when checking whether
2021 variants hold the same thing.
2022 * include/std/variant (__do_visit): Add a template parameter
2023 for index visitation, invoke with indices if index visitation
2025 (__variant_idx_cookie): New.
2026 (__visit_with_index): Likewise.
2027 (_Copy_assign_base::operator=): Do single-visitation with
2029 (_Move_assign_base::operator=): Likewise.
2030 (_Extra_visit_slot_needed): Adjust.
2031 (__visit_invoke): Call with indices if it's an index visitor.
2032 (relops): Do single-visitation with an index visitor.
2034 (__visitor_result_type): New.
2036 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
2038 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
2040 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2042 Don't revisit a variant we are already visiting.
2043 * include/std/variant (__variant_construct_single): New.
2044 (__variant_construct): Use it.
2045 (_M_destructive_move): Likewise.
2046 (_M_destructive_copy): Likewise.
2047 (_Copy_assign_base::operator=): Adjust.
2048 (_Move_assign_base::operator=): Likewise.
2051 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
2054 * include/bits/hashtable.h (_Hashtable): Move static assertions to
2055 destructor so they are not evaluated until the _Key type is complete.
2056 * include/bits/stl_tree.h (_Rb_tree): Likewise.
2057 * testsuite/23_containers/set/85965.cc: New test.
2058 * testsuite/23_containers/unordered_set/85965.cc: New test.
2059 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
2060 with regexp matching the corresponding _Rb_tree specialization.
2061 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2062 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
2063 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2064 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2065 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2066 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2067 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2069 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2072 Fix based on a suggestion by Antony Polukhin.
2073 * include/std/variant (__never_valueless): New.
2075 (_Extra_visit_slot_needed): New.
2076 (_Multi_array): Use it.
2077 (_S_apply_all_alts): Likewise.
2079 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2082 Fix based on a suggestion by Antony Polukhin.
2083 * include/std/variant (__gen_vtable): Don't reserve an
2084 additional table slot, _Multi_array already does that.
2086 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2089 Fix based on a suggestion by Antony Polukhin.
2090 * include/std/variant (__variant_construct): Capture a pointer
2091 to the storage and visit just one variant.
2093 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
2095 * doc/xml/manual/backwards_compatibility.xml: Remove link to
2096 Doxygen-generated pages with unstable URL.
2097 * doc/xml/manual/concurrency_extensions.xml: Likewise.
2098 * doc/xml/manual/extensions.xml: Likewise.
2099 * doc/xml/manual/parallel_mode.xml: Likewise.
2100 * doc/xml/manual/support.xml: Likewise.
2102 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
2103 avoid -Wconversion warnings.
2105 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
2107 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
2108 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
2109 (allstamped): Add stamp-pstl.
2110 (install-headers): Add ptsl_builddir.
2111 * include/Makefile.in: Regenerate.
2112 * include/bits/c++config: Add pstl configuration.
2113 * include/pstl/LICENSE.txt: New file.
2114 * include/pstl/algorithm_fwd.h: New file.
2115 * include/pstl/algorithm_impl.h: New file.
2116 * include/pstl/execution_defs.h: New file.
2117 * include/pstl/execution_impl.h: New file.
2118 * include/pstl/glue_algorithm_defs.h: New file.
2119 * include/pstl/glue_algorithm_impl.h: New file.
2120 * include/pstl/glue_execution_defs.h: New file.
2121 * include/pstl/glue_memory_defs.h: New file.
2122 * include/pstl/glue_memory_impl.h: New file.
2123 * include/pstl/glue_numeric_defs.h: New file.
2124 * include/pstl/glue_numeric_impl.h: New file.
2125 * include/pstl/memory_impl.h: New file.
2126 * include/pstl/numeric_fwd.h: New file.
2127 * include/pstl/numeric_impl.h: New file.
2128 * include/pstl/parallel_backend.h: New file.
2129 * include/pstl/parallel_backend_tbb.h: New file.
2130 * include/pstl/parallel_backend_utils.h: New file.
2131 * include/pstl/parallel_impl.h: New file.
2132 * include/pstl/pstl_config.h: New file.
2133 * include/pstl/unseq_backend_simd.h: New file.
2134 * include/pstl/utils.h: New file.
2135 * include/std/algorithm: Include parallel algorithm implementations.
2136 * include/std/execution: New file.
2137 * include/std/memory: Include parallel algorithm implementations.
2138 * include/std/numeric: Include parallel algorithm implementations.
2139 * include/std/version: Add parallel algorithms feature test macro.
2140 * testsuite/util/pstl/pstl_test_config.h: New file.
2141 * testsuite/util/pstl/test_utils.h: New file.
2142 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2143 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2144 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2145 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2146 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2147 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2148 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2149 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2150 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2151 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2152 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2153 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2154 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2155 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2156 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2157 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2158 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2159 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2160 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2161 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2162 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2163 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2164 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2165 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2166 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2167 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2168 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2169 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2170 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2171 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2172 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2173 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2174 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2175 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2176 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2177 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2178 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2179 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2180 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2181 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2182 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2183 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2184 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2185 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2186 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2187 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2188 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2189 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2190 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2191 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2192 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2193 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2194 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2195 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2196 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2197 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2198 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2199 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2200 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2201 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2202 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2203 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2204 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2205 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2206 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2207 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2208 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2209 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2210 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2211 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2212 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2213 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2214 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2215 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2216 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2217 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2218 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2219 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2220 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2221 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2222 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2223 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2224 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2225 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2226 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2227 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2228 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2229 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2230 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2231 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2232 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2233 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2234 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2235 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2236 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2237 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2238 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2239 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2240 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2241 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2242 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2243 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2244 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2245 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2246 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2247 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2249 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
2251 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
2252 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
2253 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
2254 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
2255 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
2256 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
2257 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
2258 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
2259 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
2260 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
2261 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
2262 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
2263 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
2264 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
2265 when the special functions IS is enabled, not for C++17.
2266 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
2268 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
2269 without checks for special functions in C++17.
2270 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
2274 * include/backward/hash_map: Use <> for includes not "".
2275 * include/backward/hash_set: Likewise.
2276 * include/backward/strstream: Likewise.
2277 * include/tr1/bessel_function.tcc: Likewise.
2278 * include/tr1/exp_integral.tcc: Likewise.
2279 * include/tr1/legendre_function.tcc: Likewise.
2280 * include/tr1/modified_bessel_func.tcc: Likewise.
2281 * include/tr1/riemann_zeta.tcc: Likewise.
2283 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
2285 * doc/xml/manual/allocator.xml: Link to table documenting evolution
2286 of extension allocators.
2287 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
2288 Document new headers in 7.2, 8.1 and 9.1 releases.
2289 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
2290 * doc/html/*: Regenerate.
2292 2019-03-12 John David Anglin <dave.anglin@bell.net>
2295 * testsuite/lib/libstdc++.exp: Locate libatomic.
2296 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
2297 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
2299 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
2300 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
2301 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
2302 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
2304 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
2307 * configure.ac: Check for sockatmark.
2308 * crossconfig.m4: Check for sockatmark.
2309 * config.h.in: Regenerate.
2310 * configure: Regenerate.
2311 * include/experimental/internet (address_v4::_S_hton): Rename
2312 overloaded functions to _S_hton_16 and _S_ntoh_16.
2313 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
2314 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
2315 * include/experimental/socket (basic_socket::at_mark): Check
2316 _GLIBCXX_HAVE_SOCKATMARK.
2318 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
2319 const variables instead of macros.
2322 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
2323 Use correct type for len_aligned.
2324 * testsuite/20_util/hash/89629.cc: New test.
2326 2019-03-11 Jakub Jelinek <jakub@redhat.com>
2329 * include/std/atomic (atomic<T>::store, atomic<T>::load,
2330 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
2331 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
2332 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
2333 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
2334 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
2335 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
2336 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
2337 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
2338 memory_order_seq_cst to int.
2340 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
2342 * doc/xml/manual/using.xml: Use link element instead of xref.
2343 * doc/html/*: Regenerate.
2345 * include/bits/fs_path.h (path::format): Add fixed underlying type.
2347 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
2350 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
2351 parameters in deduction guides.
2352 * include/debug/multimap.h (multimap): Likewise.
2353 * include/debug/set.h (multimap): Likewise.
2354 * include/debug/multiset.h (multimap): Likewise.
2355 * include/debug/unordered_map (unordered_map): Likewise.
2356 (unordered_multimap): Likewise.
2357 * include/debug/unordered_set (unordered_set): Likewise.
2358 (unordered_multiset): Likewise.
2361 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
2362 Invalidate all iterators in case of rehash.
2363 (unordered_multimap<>::_M_check_rehashed): Likewise.
2364 * include/debug/unordered_set
2365 (unordered_set<>::_M_check_rehashed): Likewise.
2366 (unordered_multiset<>::_M_check_rehashed): Likewise.
2367 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
2369 2019-03-07 Andreas Schwab <schwab@suse.de>
2371 * config/abi/post/riscv64-linux-gnu: New directory.
2372 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
2374 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
2376 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
2377 compile test to run. Fix typo.
2379 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
2380 * doc/html/*: Regenerate.
2382 P0356R5 Simplified partial function application
2383 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
2384 helpers for bind_front.
2385 (bind_front, __cpp_lib_bind_front): Define.
2386 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
2388 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
2390 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
2391 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
2392 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
2393 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2395 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
2397 PR libstdc++/86655 - std::assoc_legendre should not constrain
2398 the value of m (or x).
2399 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
2400 __sph_legendre): If degree > order Don't throw, return 0.
2401 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
2402 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
2403 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
2404 * testsuite/tr1/5_numerical_facilities/special_functions/
2405 02_assoc_legendre/pr86655.cc: New test.
2406 * testsuite/tr1/5_numerical_facilities/special_functions/
2407 22_sph_legendre/pr86655.cc: New test.
2409 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
2412 Also PR libstdc++/85517
2413 * include/std/variant (__do_visit): New.
2414 (__variant_cast): Likewise.
2415 (__variant_cookie): Likewise.
2416 (__erased_*): Remove.
2417 (_Variant_storage::_S_vtable): Likewise.
2418 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
2419 (_Variant_storage::__M_reset): Adjust.
2420 (__variant_construct): New.
2421 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
2422 __variant_construct.
2423 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
2424 (_Move_ctor_base::__M_destructive_copy): New.
2425 (_Move_ctor_base::__M_destructive_move): Adjust to use
2426 __variant_construct.
2427 (_Copy_assign_base::operator=): Adjust to use __do_visit.
2428 (_Copy_assign_alias): Adjust to check both copy assignment
2429 and copy construction for triviality.
2430 (_Move_assign_base::operator=): Adjust to use __do_visit.
2431 (_Multi_array): Add support for visitors that accept and return
2433 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
2434 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
2435 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
2436 a __variant_cookie temporary for a variant that is valueless and..
2437 (__gen_vtable_impl::__visit_invoke): ..adjust here.
2438 (__gen_vtable::_Array_type): Conditionally make space for
2439 the __variant_cookie visitor case.
2440 (__variant_construct_by_index): New.
2441 (get_if): Adjust to use std::addressof.
2442 (relops): Adjust to use __do_visit.
2443 (variant): Add __variant_cast and __variant_construct_by_index
2445 (variant::emplace): Use _M_reset() and __variant_construct_by_index
2446 instead of self-destruction.
2447 (variant::swap): Adjust to use __do_visit.
2448 (visit): Reimplement in terms of __do_visit.
2449 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
2450 * testsuite/20_util/variant/compile.cc: Adjust.
2451 * testsuite/20_util/variant/run.cc: Likewise.
2453 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
2455 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
2457 * testsuite/experimental/feat-char8_t.cc: Likewise.
2459 * include/std/type_traits [C++20] (is_bounded_array)
2460 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
2462 * testsuite/20_util/is_bounded_array/requirements/
2463 explicit_instantiation.cc: New test.
2464 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
2466 * testsuite/20_util/is_bounded_array/value.cc: New test.
2467 * testsuite/20_util/is_unbounded_array/requirements/
2468 explicit_instantiation.cc: New test.
2469 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
2471 * testsuite/20_util/is_unbounded_array/value.cc: New test.
2473 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
2475 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
2477 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
2479 * include/c_compatibility/math.h [C++20] (lerp): Add using
2481 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
2482 (__lerp): Define function template to implement lerp.
2483 (lerp(float, float, float), lerp(double, double, double))
2484 (lerp(long double, long double, long double)): Define for C++20.
2485 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
2486 (midpoint(T, T), midpoint(T*, T*)): Define.
2487 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
2488 * testsuite/26_numerics/lerp.cc: New test.
2489 * testsuite/26_numerics/midpoint/floating.cc: New test.
2490 * testsuite/26_numerics/midpoint/integral.cc: New test.
2491 * testsuite/26_numerics/midpoint/pointer.cc: New test.
2493 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
2495 PR libstdc++/88996 Implement P0439R0
2496 Make std::memory_order a scoped enumeration.
2497 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
2498 add variables for the old enumerators. Adjust calls.
2499 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
2500 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
2502 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
2504 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
2507 * include/std/memory_resource (polymorphic_allocator): Add default
2508 template argument for C++20.
2509 (polymorphic_allocator::allocate_bytes)
2510 (polymorphic_allocator::deallocate_bytes)
2511 (polymorphic_allocator::allocate_object)
2512 (polymorphic_allocator::deallocate_object)
2513 (polymorphic_allocator::new_object)
2514 (polymorphic_allocator::delete_object): New member functions for
2516 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
2519 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
2522 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
2525 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
2527 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
2528 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
2530 * include/std/memory (uses_allocator_construction_args): New set of
2531 overloaded functions.
2532 (make_obj_using_allocator, uninitialized_construct_using_allocator):
2534 * include/std/memory_resource (polymorphic_allocator::construct)
2535 [__cplusplus > 201703l]: Replace all overloads with a single function
2536 using uses_allocator_construction_args.
2537 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
2539 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
2541 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
2544 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
2545 stylesheet directories before check for xsltproc. Try to use
2546 xmlcatalog to find local stylesheet directory before trying hardcoded
2547 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
2548 check to look for the same stylesheet as doc/Makefile.am uses. Don't
2549 use xsltproc if xmlcatalog fails to find a local stylesheet.
2550 * configure.ac: Check for xmlcatalog.
2551 * Makefile.in: Regenerate.
2552 * configure: Likewise.
2553 * doc/Makefile.in: Likewise.
2554 * include/Makefile.in: Likewise.
2555 * libsupc++/Makefile.in: Likewise.
2556 * po/Makefile.in: Likewise.
2557 * python/Makefile.in: Likewise.
2558 * src/Makefile.in: Likewise.
2559 * src/c++11/Makefile.in: Likewise.
2560 * src/c++17/Makefile.in: Likewise.
2561 * src/c++98/Makefile.in: Likewise.
2562 * src/filesystem/Makefile.in: Likewise.
2563 * testsuite/Makefile.in: Likewise.
2565 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
2568 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
2569 container deduction guides.
2570 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
2571 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
2572 parameters in deduction guides.
2573 * include/bits/stl_multimap.h (multimap): Likewise.
2574 * include/bits/stl_multiset.h (multiset): Likewise.
2575 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
2576 * include/bits/stl_set.h (set): Likewise.
2577 * include/bits/stl_stack.h (stack): Likewise.
2578 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
2579 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
2580 constrain parameters in deduction guides.
2581 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
2583 * testsuite/23_containers/map/cons/deduction.cc: Test additional
2585 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
2586 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
2587 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
2588 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
2590 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
2592 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
2595 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
2596 to class template and partial specialization using void_t.
2597 (__is_copy_insertable, __is_move_insertable): Adjust base class.
2599 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
2602 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
2603 copy and move members public.
2605 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
2607 * include/std/type_traits (__underlying_type_impl): New helper to
2608 make underlying_type SFINAE-friendly.
2609 (underlying_type): Derive from __underlying_type_impl.
2610 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
2614 * include/bits/char_traits.h (__constant_char_array): Check index is
2615 in range before dereferencing.
2616 (char_traits<char>::compare, char_traits<char>::find)
2617 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
2618 immediately if n is zero.
2619 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
2620 Remove workarounds for PR 67026.
2621 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
2623 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
2626 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
2628 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
2629 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
2631 2019-02-22 Jakub Jelinek <jakub@redhat.com>
2634 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
2635 type to std::size_t and argument to type to long double.
2637 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
2639 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
2640 * config/abi/post/sparc64-linux-gnu: New directory.
2641 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
2642 * config/abi/post/sparc64-linux-gnu/32: New directory.
2643 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
2645 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
2647 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
2648 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
2651 2019-02-22 Tom Honermann <tom@honermann.net>
2653 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
2654 printers for u8string and u8string_view.
2656 2019-02-22 Tom Honermann <tom@honermann.net>
2658 * testsuite/18_support/byte/ops.cc: Validate
2659 std::to_integer<char8_t>, std::to_integer<char16_t>, and
2660 std::to_integer<char32_t>.
2661 * testsuite/18_support/numeric_limits/dr559.cc: Validate
2662 std::numeric_limits<char8_t>.
2663 * testsuite/18_support/numeric_limits/lowest.cc: Validate
2664 std::numeric_limits<char8_t>::lowest().
2665 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
2666 std::numeric_limits<char8_t>::max_digits10.
2667 * testsuite/18_support/type_info/fundamental.cc: Validate
2668 typeinfo for char8_t.
2669 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
2670 std::from_chars with char8_t.
2671 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
2672 Validate explicit instantiation of std::hash<char8_t>.
2673 * testsuite/20_util/is_integral/value.cc: Validate
2674 std::is_integral<char8_t>.
2675 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
2676 Validate std::make_signed<char8_t>.
2677 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
2678 Validate u8string construction from char8_t sources.
2679 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
2681 * testsuite/21_strings/basic_string_view/operations/compare/
2682 char/70483.cc: Validate substr operations on u8string_view.
2683 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
2684 the u8string_view typedef is defined.
2685 * testsuite/21_strings/char_traits/requirements/
2686 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
2688 * testsuite/21_strings/char_traits/requirements/
2689 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
2690 constexpr member functions.
2691 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
2692 that the u8string typedef is defined.
2693 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
2694 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
2695 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
2696 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
2698 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
2699 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
2701 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
2702 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
2703 Validate std::atomic<char8_t>::is_always_lock_free
2704 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
2705 Update line numbers.
2706 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
2708 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
2710 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
2711 Validate std::experimental::pmr::u8string.
2712 * testsuite/experimental/string_view/typedefs.cc: Validate that the
2713 u8string_view typedef is defined.
2714 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
2715 char32_t to the typelists.
2717 2019-02-22 Tom Honermann <tom@honermann.net>
2719 * include/ext/typelist.h: Constrain a partial specialization of
2720 typelist::detail::append_ to only match chain<T1,T2>.
2722 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
2725 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
2726 class template with class. Replace move and copy member types with
2727 member alias templates, so they are only instantiated when needed.
2728 (__is_copy_insertable, __is_move_insertable): Adjust base class.
2729 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
2730 test for C++11/14/17 as well.
2731 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
2734 2019-02-20 Jakub Jelinek <jakub@redhat.com>
2737 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
2738 _GLIBCXX_PURE to the alias declaration.
2740 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
2742 * testsuite/21_strings/basic_string/literals/types.cc
2743 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
2744 * testsuite/21_strings/basic_string/literals/values.cc
2745 [_GLIBCXX_USE_CHAR8_T]: Likewise.
2746 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
2747 potentially having different type.
2748 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
2749 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
2751 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
2752 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
2753 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
2754 string literals only using basic character set.
2755 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
2756 u8 literals to char.
2757 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
2758 Test ATOMIC_CHAR8_T_LOCK_FREE.
2759 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
2760 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
2761 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
2762 * testsuite/experimental/string_view/literals/types.cc
2763 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
2765 * testsuite/experimental/string_view/literals/values.cc
2766 [_GLIBCXX_USE_CHAR8_T]: Likewise.
2768 2019-02-19 Tom Honermann <tom@honermann.net>
2770 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
2771 from char16_32_t.cc; validates numeric_limits<char8_t>.
2772 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
2773 test cloned from types.cc; validates operator""s for char8_t
2775 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
2776 test cloned from values.cc; validates construction and comparison
2778 * testsuite/21_strings/basic_string/requirements/
2779 /explicit_instantiation/char8_t/1.cc: New test cloned from
2780 char16_t/1.cc; validates explicit instantiation of
2781 basic_string<char8_t>.
2782 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
2783 New test cloned from types.cc; validates operator""sv for char8_t
2784 returns u8string_view.
2785 * testsuite/21_strings/basic_string_view/literals/
2786 values-char8_t.cc: New test cloned from values.cc; validates
2787 construction and comparison of u8string_view values.
2788 * testsuite/21_strings/basic_string_view/requirements/
2789 explicit_instantiation/char8_t/1.cc: New test cloned from
2790 char16_t/1.cc; validates explicit instantiation of
2791 basic_string_view<char8_t>.
2792 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
2793 New test cloned from char16_t/65049.cc; validates that
2794 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
2795 * testsuite/21_strings/char_traits/requirements/char8_t/
2796 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
2797 that char_traits<char8_t> member typedefs are present and correct.
2798 * testsuite/21_strings/char_traits/requirements/
2799 explicit_instantiation/char8_t/1.cc: New test cloned from
2800 char16_t/1.cc; validates explicit instantiation of
2801 char_traits<char8_t>.
2802 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
2803 from char16_t.cc: validates
2804 codecvt<char16_t, char8_t, mbstate_t>.
2805 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
2806 from char32_t.cc: validates
2807 codecvt<char32_t, char8_t, mbstate_t>.
2808 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
2809 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
2810 codecvt<char32_t, char8_t, std::mbstate_t>.
2811 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
2812 test cloned from string.cc; validates filesystem::path construction
2814 * testsuite/experimental/feat-char8_t.cc: New test; validates that
2815 the __cpp_lib_char8_t feature test macro is defined with the
2817 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
2818 New test cloned from string.cc; validates filesystem::path
2819 construction from char8_t input.
2820 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
2821 test cloned from types.cc; validates operator""sv for char8_t
2822 returns u8string_view.
2823 * testsuite/experimental/string_view/literals/values-char8_t.cc:
2824 New test cloned from values.cc; validates construction and
2825 comparison of u8string_view values.
2826 * testsuite/experimental/string_view/requirements/
2827 explicit_instantiation/char8_t/1.cc: New test cloned from
2828 char16_t/1.cc; validates explicit instantiation of
2829 basic_string_view<char8_t>.
2830 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
2831 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
2834 2019-02-19 Tom Honermann <tom@honermann.net>
2836 P0482R5 char8_t: Standard library support
2837 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
2838 typeinfo symbols for char8_t.
2839 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
2840 (GLIBCXX_3.4.26): Add symbols for specializations of
2841 numeric_limits and codecvt that involve char8_t.
2842 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
2843 * include/bits/atomic_base.h: Add atomic_char8_t.
2844 * include/bits/basic_string.h: Add std::hash<u8string> and
2845 operator""s(const char8_t*, size_t).
2846 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
2848 * include/bits/char_traits.h: Add char_traits<char8_t>.
2849 * include/bits/codecvt.h: Add
2850 codecvt<char16_t, char8_t, mbstate_t>,
2851 codecvt<char32_t, char8_t, mbstate_t>,
2852 codecvt_byname<char16_t, char8_t, mbstate_t>, and
2853 codecvt_byname<char32_t, char8_t, mbstate_t>.
2854 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
2855 recognize char8_t as an integral type.
2856 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
2858 (path::u8string): Return std::u8string when char8_t support is
2860 (path::generic_u8string): Likewise.
2861 (path::_S_convert): Handle conversion from char8_t input.
2862 (path::_S_str_convert): Likewise.
2863 * include/bits/functional_hash.h: Add hash<char8_t>.
2864 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
2866 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
2867 for new char8_t specializations.
2868 * include/bits/localefwd.h: Add missing declarations of
2869 codecvt<char16_t, char, mbstate_t> and
2870 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
2871 codecvt<char16_t, char8_t, mbstate_t> and
2872 codecvt<char32_t, char8_t, mbstate_t>.
2873 * include/bits/postypes.h: Add u8streampos
2874 * include/bits/stringfwd.h: Add declarations of
2875 char_traits<char8_t> and u8string.
2876 * include/c_global/cstddef: Add __byte_operand<char8_t>.
2877 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
2879 (path::u8string): Return std::u8string when char8_t support is
2881 (path::generic_u8string): Likewise.
2882 (path::_S_convert): Handle conversion from char8_t input.
2883 (path::_S_str_convert): Likewise.
2884 * include/experimental/string: Add u8string.
2885 * include/experimental/string_view: Add u8string_view,
2886 hash<experimental::u8string_view>, and
2887 operator""sv(const char8_t*, size_t).
2888 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
2889 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
2890 as a character type.
2891 * include/std/limits: Add numeric_limits<char8_t>.
2892 * include/std/string_view: Add u8string_view,
2893 hash<experimental::u8string_view>, and
2894 operator""sv(const char8_t*, size_t).
2895 * include/std/type_traits: Add __is_integral_helper<char8_t>,
2896 __make_unsigned<char8_t>, and __make_signed<char8_t>.
2897 * libsupc++/atomic_lockfree_defines.h: Define
2898 ATOMIC_CHAR8_T_LOCK_FREE.
2899 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
2900 codecvt.cc and limits.cc so that char8_t specializations of
2901 numeric_limits and codecvt and emitted.
2902 * src/c++11/Makefile.in: Likewise.
2903 * src/c++11/codecvt.cc: Define members of
2904 codecvt<char16_t, char8_t, mbstate_t>,
2905 codecvt<char32_t, char8_t, mbstate_t>,
2906 codecvt_byname<char16_t, char8_t, mbstate_t>, and
2907 codecvt_byname<char32_t, char8_t, mbstate_t>.
2908 * src/c++11/limits.cc: Define members of
2909 numeric_limits<char8_t>.
2910 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
2911 locale_init.cc and localename.cc.
2912 * src/c++98/Makefile.in: Likewise.
2913 * src/c++98/locale_init.cc: Add initialization for the
2914 codecvt<char16_t, char8_t, mbstate_t> and
2915 codecvt<char32_t, char8_t, mbstate_t> facets.
2916 * src/c++98/localename.cc: Likewise.
2917 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
2919 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
2921 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
2922 * 27_io/filesystem/operations/resize_file.cc: Likewise.
2923 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
2925 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
2927 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
2928 * doc/html/*: Regenerate.
2930 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
2931 * doc/html/*: Regenerate.
2933 * doc/xml/manual/intro.xml: Document LWG 2586 status.
2934 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
2935 allocator type in is_constructible checks.
2936 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
2937 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
2938 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
2939 problematic type from LWG 2586 discussion.
2940 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
2941 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
2943 * configure.ac: Check for C11 timespec_get function.
2944 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
2946 * config.h.in: Regenerate.
2947 * configure: Regenerate.
2948 * include/c_global/ctime (timespec, timespec_get): Add to namespace
2949 std for C++17 and up.
2951 * doc/xml/manual/intro.xml: Document LWG 2537 status.
2952 * include/bits/stl_queue.h
2953 (priority_queue(const Compare&, const Container&, const Alloc&))
2954 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
2956 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
2958 * doc/xml/manual/intro.xml: Document LWG 2566 status.
2959 * include/bits/stl_queue.h (queue, priority_queue): Add static
2960 assertions to enforce LWG 2566 requirement on value_type.
2961 * include/bits/stl_stack.h (stack): Likewise.
2964 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
2966 * doc/xml/manual/intro.xml: Document LWG 2735 status.
2967 * include/bits/std_abs.h: Add comment about LWG 2735.
2968 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
2970 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
2973 * include/std/version [__cpp_impl_destroying_delete]
2974 (__cpp_lib_destroying_delete): Only define for C++2a and later.
2975 * libsupc++/new [__cpp_impl_destroying_delete]
2976 (__cpp_lib_destroying_delete): Likewise.
2977 (destroying_delete_t, destroying_delete): Likewise, but define even
2978 when __cpp_impl_destroying_delete is not defined.
2979 * testsuite/18_support/destroying_delete.cc: New test.
2981 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
2984 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
2985 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
2986 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
2987 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
2989 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
2992 * include/bits/fs_path.h (path::has_root_name)
2993 (path::has_root_directory, path::has_root_path)
2994 (path::has_relative_path, path::has_parent_path)
2995 (path::has_filename, path::has_stem, path::has_extension)
2996 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
2998 * src/c++17/fs_path.cc (path::has_root_name)
2999 (path::has_root_directory, path::has_root_path)
3000 (path::has_relative_path, path::has_parent_path)
3001 (path::has_filename, path::_M_find_extension): Add noexcept.
3003 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
3005 PR libstdc++/89102 (partial)
3006 * include/std/type_traits (common_type<>): Define.
3007 (common_type<T>): Derive from common_type<T, T>.
3008 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3009 Test zero-length template argument list.
3010 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3011 Test additional single argument cases.
3012 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3013 Adjust expected error.
3015 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
3018 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
3020 * include/bits/stl_stack.h (stack): Likewise.
3021 * testsuite/23_containers/priority_queue/deduction.cc: New test.
3022 * testsuite/23_containers/queue/deduction.cc: New test.
3023 * testsuite/23_containers/stack/deduction.cc: New test.
3026 * include/std/type_traits (__is_convertible_helper)
3027 (__is_convertible_helper<_From, _To, false>): Revert changes to
3028 support is_nothrow_convertible.
3029 (__is_nt_convertible_helper): New helper.
3030 (is_nothrow_convertible): Use __is_nt_convertible_helper.
3032 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
3033 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
3036 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
3037 __is_alloc_insertable_impl. Replace single type member with two
3038 members, one for each of copy and move insertable.
3039 (__is_move_insertable): New trait for internal use.
3040 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
3041 (vector::_S_nothrow_relocate(true_type)): New functions to
3042 conditionally check if __relocate_a can throw.
3043 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
3044 on __is_move_insertable.
3045 (vector::_S_do_relocate): New overloaded functions to conditionally
3047 (vector::_S_relocate): New function that dispatches to _S_do_relocate
3048 based on _S_use_relocate.
3049 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3050 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
3051 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
3054 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
3055 parameter unnamed. Add message to static assertion.
3056 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3057 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
3060 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
3063 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
3065 (__is_bitwise_relocatable): ... to this.
3066 (__relocate_a_1): Adapt.
3067 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
3068 (__is_bitwise_relocatable): ... to this.
3070 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
3073 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
3074 final component as well as from _M_pathname. Append the dot using
3075 operator+= instead of only to _M_pathname.
3076 (path::_M_find_extension): Reformat slightly.
3077 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
3078 Add more test cases.
3080 2019-01-30 Ulrich Drepper <drepper@redhat.com>
3082 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
3084 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
3086 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
3087 constexpr specifiers from arg and proj.
3089 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
3090 __shared_ptr instantiations used by gcc4-compatible ABI.
3092 * include/experimental/forward_list (experimental::erase): Qualify
3094 * include/experimental/list (experimental::erase): Likewise.
3095 * include/std/forward_list (std::erase): Likewise.
3096 * include/std/list (std::erase): Likewise.
3098 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
3100 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
3101 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
3102 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
3103 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
3104 * testsuite/ext/array_allocator/26875.cc: Likewise.
3105 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
3106 * testsuite/util/replacement_memory_operators.h: Likewise.
3107 * testsuite/util/testsuite_allocator.h: Likewise.
3109 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
3110 normal mode vector, even for debug mode.
3111 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
3112 Define alias template for normal mode vector.
3114 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
3117 * config/locale/generic/c_locale.h (__convert_from_v)
3118 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3119 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3120 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
3121 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3123 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
3126 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
3127 data member with static member function _S_use_relocate().
3128 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3129 (vector::_M_default_append): Use _S_use_relocate() instead of
3132 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
3135 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
3138 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
3139 write to stderr instead of using printf.
3141 2019-01-21 Jakub Jelinek <jakub@redhat.com>
3144 * include/bits/char_traits.h (__constant_string_p,
3145 __constant_char_array_p): Use __builtin_is_constant_evaluated if
3148 2019-01-20 Ulrich Drepper <drepper@redhat.com>
3150 Implement C++20 P0600r1.
3151 * include/backward/hash_map: Add nodiscard attribute to empty.
3152 * include/backward/hash_set: Likewise.
3153 * backward/hashtable.h: Likewise.
3154 * include/bits/basic_string.h: Likewise.
3155 * include/bits/forward_list.h: Likewise.
3156 * include/bits/hashtable.h: Likewise.
3157 * include/bits/regex.h: Likewise.
3158 * include/bits/stl_deque.h: Likewise.
3159 * include/bits/stl_list.h: Likewise.
3160 * include/bits/stl_map.h: Likewise.
3161 * include/bits/stl_multimap.h: Likewise.
3162 * include/bits/stl_multiset.h: Likewise.
3163 * include/bits/stl_queue.h: Likewise.
3164 * include/bits/stl_set.h: Likewise.
3165 * include/bits/stl_stack.h: Likewise.
3166 * include/bits/stl_tree.h: Likewise.
3167 * include/bits/stl_vector.h: Likewise.
3168 * include/bits/unordered_map.h: Likewise.
3169 * include/bits/unordered_set.h: Likewise.
3170 * include/debug/array: Likewise.
3171 * include/experimental/any: Likewise.
3172 * include/experimental/bits/fs_path.h: Likewise.
3173 * include/experimental/internet: Likewise.
3174 * include/experimental/string_view: Likewise.
3175 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
3177 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
3179 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
3181 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
3183 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
3185 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
3187 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
3189 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
3191 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3192 info_fn_imps.hpp: Likewise.
3193 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3194 left_child_next_sibling_heap_.hpp: Likewise.
3195 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
3197 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
3199 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
3201 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
3203 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
3205 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
3207 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
3209 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
3210 * include/ext/pb_ds/trie_policy.hpp: Likewise.
3211 * include/ext/rope: Likewise.
3212 * include/ext/slist: Likewise.
3213 * include/ext/vstring.h: Likewise.
3214 * include/profile/array: Likewise.
3215 * include/std/array: Likewise.
3216 * include/tr1/array: Likewise.
3217 * include/tr1/hashtable.h: Likewise.
3218 * include/tr1/regex: Likewise.
3219 * include/tr2/dynamic_bitset: Likewise.
3220 * include/bits/alloc_traits.h: Add nodiscard attribute to
3222 * include/experimental/memory_resource: Likewise.
3223 * include/ext/alloc_traits.h: Likewise.
3224 * include/ext/array_allocator.h: Likewise.
3225 * include/ext/bitmap_allocator.h: Likewise.
3226 * include/ext/debug_allocator.h: Likewise.
3227 * include/ext/extptr_allocator.h: Likewise.
3228 * include/ext/mt_allocator.h: Likewise.
3229 * include/ext/new_allocator.h: Likewise.
3230 * include/ext/pool_allocator.h: Likewise.
3231 * include/ext/throw_allocator.h: Likewise.
3232 * include/std/scoped_allocator: Likewise.
3233 * libsupc++/eh_alloc.cc: Likewise.
3234 * include/std/future: Add nodiscard attribute to async.
3235 * libsupc++/new: Add nodiscard attribute to new.
3237 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
3242 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
3243 * include/bits/shared_ptr.h
3244 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
3245 (allocate_shared): Change to use new tag type.
3246 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
3247 Declare new member function.
3248 (_Sp_alloc_shared_tag): Define new type.
3249 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
3250 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
3251 _Sp_make_shared_tag::_S_eq to check type_info.
3252 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
3253 Constrain to prevent being called with _Sp_alloc_shared_tag.
3254 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
3255 Replace constructor with ...
3256 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
3257 reference parameter so address of the new object can be returned to
3258 the caller. Obtain the allocator from the tag type.
3259 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
3260 constructor with ...
3261 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
3262 to the __shared_count constructor.
3263 (__allocate_shared): Change to use new tag type.
3264 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
3266 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
3268 * src/c++17/fs_ops.cc
3269 (equivalent(const path&, const path&, error_code&))
3270 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
3271 compare files instead of relying on incomplete info returned by stat.
3274 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
3275 if the path is already absolute.
3276 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
3277 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
3280 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
3281 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
3282 of filesystem::exists.
3283 (create_directories(const path&, error_code&)): Add assertions.
3284 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
3285 Add workaround for bug in _wstat for paths with trailing slash.
3286 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
3287 for expected behaviour on mingw.
3288 * testsuite/experimental/filesystem/operations/create_directories.cc:
3290 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
3291 "TMP" instead of "TMPDIR" and clean environment before each test. Do
3292 not test permissions on mingw targets.
3294 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
3296 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
3297 constructors and open members taking wide strings. Fix patterns for
3298 filesystem::path members to match wstring_view parameters. Add
3299 exports for shared_ptr members used by directory iterators.
3300 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
3301 error code parameter if the file doesn't exist.
3302 * src/filesystem/ops.cc (remove(const path&, error_code&)):
3304 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
3305 values for mingw targets, where "/" is not an absolute path. Do not
3306 test symlinks on mingw targets.
3307 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3308 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
3310 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3311 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
3312 that each component of the path is created.
3313 * testsuite/experimental/filesystem/operations/create_directories.cc:
3315 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
3316 permissions on mingw targets.
3317 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3318 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
3319 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3320 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
3322 * testsuite/experimental/filesystem/operations/permissions.cc:
3324 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
3325 symlinks or permissions on mingw targets.
3326 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3327 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
3328 symlinks on mingw targets.
3329 * testsuite/experimental/filesystem/operations/remove_all.cc:
3331 * testsuite/27_io/filesystem/operations/status.cc: Do not test
3332 permissions on mingw targets.
3333 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
3334 test symlinks on mingw targets.
3335 * testsuite/experimental/filesystem/operations/space.cc: Fix test
3338 2019-02-14 Ulrich Drepper <drepper@redhat.com>
3341 Warn about unused comparisons of shared_ptr/unique_ptr
3342 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
3343 * include/bits/shared_ptr.h: Use it for operator ==, !=,
3344 <, <=, >, >= for shared_ptr.
3345 * include/bits/unique_ptr.h: Likewise for unique_ptr.
3347 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
3349 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
3350 as 201611L, because P0497R0 changes are supported.
3351 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
3353 * include/bits/erase_if.h [__cplusplus > 201703L]
3354 (__cpp_lib_erase_if): Only define for C++2a.
3355 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
3356 (__cpp_lib_null_iterators): Define.
3357 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
3358 (__cpp_lib_null_iterators): Define.
3359 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
3361 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
3363 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
3365 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
3366 changes are supported.
3367 * include/std/optional (__cpp_lib_optional): Likewise.
3368 * include/std/variant (__cpp_lib_variant): Likewise.
3369 * include/std/version [!__STRICT_ANSI__]
3370 (__cpp_lib_uncaught_exceptions): Define as long integer.
3371 [__cplusplus >= 201703L] (__cpp_lib_any)
3372 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
3373 (__cpp_lib_variant): Define for C++17.
3374 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
3376 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
3379 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
3381 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
3385 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
3387 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
3390 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
3392 * doc/xml/manual/intro.xml: Include new section.
3393 * doc/xml/manual/status_cxx2017.xml: Document more
3394 implementation-defined properties of the library.
3395 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
3396 * doc/html/*: Regenerate.
3398 * include/bits/refwrap.h [__cplusplus > 201703L]
3399 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
3400 (_Reference_wrapper_base_memfun): Do not define for C++2a.
3401 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
3403 (reference_wrapper::operator()): Add static assertion.
3404 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
3406 * include/std/chrono (duration_values::zero(), duration_values::min())
3407 (duration_values::max()): Add noexcept.
3408 (duration::zero(), duration::min(), duration::max()): Likewise.
3409 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
3410 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
3411 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
3413 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
3415 2019-01-11 Jakub Jelinek <jakub@redhat.com>
3417 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
3418 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
3420 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
3423 * include/bits/functional_hash.h (hash<nullptr_t>): Define
3424 specialization for C++17 (P0513R0, LWG 2817).
3425 * testsuite/20_util/hash/nullptr.cc: New test.
3428 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
3429 pattern for std::basic_stringbuf::str().
3431 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
3432 basic_ostream::operator<< patterns.
3434 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
3436 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
3437 test failures on targets with 32-bit time_t.
3439 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
3440 * include/std/deque: Likewise.
3441 * include/std/forward_list: Likewise.
3442 * include/std/list: Likewise.
3443 * include/std/string: Likewise.
3444 * include/std/vector: Likewise.
3445 * include/std/version: Likewise.
3446 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
3447 * testsuite/23_containers/deque/erasure.cc: Likewise.
3448 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
3449 * testsuite/23_containers/list/erasure.cc: Likewise.
3450 * testsuite/23_containers/map/erasure.cc: Likewise.
3451 * testsuite/23_containers/set/erasure.cc: Likewise.
3452 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
3453 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
3454 * testsuite/23_containers/vector/erasure.cc: Likewise.
3456 * include/experimental/internet [AI_NUMERICSERV]
3457 (resolver_base::numeric_service): Define conditionally.
3458 * testsuite/experimental/net/internet/resolver/base.cc: Test it
3460 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
3463 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
3464 Jonathan Wakely <jwakely@redhat.com>
3467 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
3468 (GLIBCXX_3.4.26): Add new exports.
3469 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
3470 correct list of sources.
3471 * include/Makefile.in: Regenerate.
3472 * include/std/ostream (operator<<(nullptr_t)): New member function.
3473 * src/c++17/ostream-inst.cc: New file.
3474 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
3477 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
3479 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
3480 of the source file containing the caller.
3481 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
3482 directories created by test.
3483 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3485 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3487 * testsuite/experimental/filesystem/iterators/
3488 recursive_directory_iterator.cc: Likewise.
3490 2019-01-10 Jakub Jelinek <jakub@redhat.com>
3492 PR tree-optimization/88775
3493 * include/bits/stl_function.h (greater<_Tp*>::operator(),
3494 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
3495 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
3496 instead of __builtin_constant_p if available. Don't bother with
3497 the pointer comparison in C++11 and earlier.
3499 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
3503 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
3506 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
3508 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
3509 for filesystem::path. Give variables more distinctive names.
3511 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
3512 member function to perform non-trivial assignment.
3513 (_Optional_payload_base::_M_move_assign): Likewise.
3514 (_Optional_payload<T, true, false, true>::operator=)
3515 (_Optional_payload<T, true, true, false>::operator=)
3516 (_Optional_payload<T, true, false, false>::operator=): Call
3517 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
3520 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
3521 test std::complex<long double> if long double format is IBM128.
3522 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
3525 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
3527 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
3528 for old std::unique_ptr layout.
3529 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
3530 to become valueless. Add filesystem::path tests.
3533 * include/std/optional (_Optional_payload_base): New class template
3534 for common code hoisted from _Optional_payload specializations. Use
3535 a template for the union, to allow a partial specialization for
3536 types with non-trivial destructors. Add constructors for in-place
3537 initialization to the union.
3538 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
3539 to perform non-trivial copy construction, instead of relying on
3540 non-standard copy elision in a delegating constructor.
3541 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
3542 non-trivial move construction.
3543 (_Optional_payload): Derive from _Optional_payload_base and use it
3544 for everything except the non-trivial assignment operators, which are
3546 (_Optional_payload<false, C, M>): Derive from the specialization
3547 _Optional_payload<true, false, false> and add a destructor.
3548 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
3549 Forward to corresponding members of _Optional_payload.
3550 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
3551 Hoist common members from _Optional_base.
3552 (_Optional_base): Make all members and base class public.
3553 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
3554 _Optional_base_impl.
3555 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
3556 support for new std::optional layout.
3557 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
3560 * include/bits/locale_conv.h: Use <> for includes not "".
3561 * include/ext/random: Likewise.
3562 * include/ext/vstring.h: Likewise.
3564 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3566 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
3567 (GLIBCXX_3.4.21): Likewise.
3569 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
3572 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
3573 to match the one that controls whether utimbuf and utime are declared.
3575 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
3578 * include/bits/char_traits.h (char_traits::move): Do not pass null
3579 pointers to memmove.
3580 * include/bits/locale_facets.h
3581 (ctype<char>::widen(const char*, const char*, char*)): Do not
3582 pass null pointers to memcpy.
3583 (ctype<char>::narrow(const char*, const char*, char, char*)):
3585 (ctype<char>::do_widen(const char*, const char*, char*)):
3587 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
3590 * doc/xml/manual/spine.xml: Update copyright years.
3591 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
3592 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
3593 for C++17 filesystem library.
3594 * doc/html/*: Regenerate.
3596 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
3597 * config.h.in: Regenerate.
3598 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
3599 alphabetically and add missing entries for copy_symlink,
3600 hard_link_count, rename, and resize_file.
3601 * configure: Regenerate.
3602 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
3603 used unconditionally.
3604 * src/filesystem/ops-common.h (__gnu_posix::truncate)
3605 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
3606 supports truncating to zero length.
3607 * testsuite/27_io/filesystem/operations/all.cc: New test.
3608 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
3610 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
3613 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
3614 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
3615 * config.h.in: Regenerate.
3616 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
3617 remaining std::filesystem types and functions.
3618 * configure: Regenerate.
3619 * src/c++17/Makefile.am: Add C++17 filesystem sources.
3620 * src/c++17/Makefile.in: Regenerate.
3621 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
3622 here, and change name of included file.
3623 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
3624 here, and change name of included file.
3625 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
3626 path to dir-common.h.
3627 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
3628 path to ops-common.h. Disable -Wunused-parameter warnings.
3629 (internal_file_clock): Define unconditionally.
3630 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
3632 (do_copy_file, do_space): Move definitions to ops.common.h.
3633 (copy, file_size, hard_link_count, last_write_time, space): Only
3634 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
3636 (last_write_time, read_symlink): Remove unused attributes from
3638 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
3639 * src/filesystem/Makefile.in: Regenerate.
3640 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
3641 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
3642 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
3643 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
3644 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
3645 dummy types and functions instead of using #error.
3646 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
3647 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
3649 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
3650 (do_copy_file, do_space): Move definitions here from std-ops.cc.
3651 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
3652 to account for new namespace.
3653 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
3654 -lstdc++fs from dg-options.
3655 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
3656 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
3657 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
3658 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
3659 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
3661 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
3662 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3664 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
3665 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
3666 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
3667 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3668 * testsuite/27_io/filesystem/operations/create_directories.cc:
3670 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
3671 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
3672 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
3673 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
3674 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
3675 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
3676 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
3677 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
3678 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
3679 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
3680 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
3681 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
3682 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
3683 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
3684 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
3685 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
3686 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
3687 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
3689 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
3693 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
3694 typeinfo and vtables less greedy.
3695 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
3696 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
3697 * src/c++17/Makefile.in: Regenerate.
3698 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
3699 here, and change name of included file.
3700 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
3701 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
3703 * src/filesystem/Makefile.in: Regenerate.
3704 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
3705 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
3706 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
3707 from dg-options and remove dg-require-filesystem-ts.
3708 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
3709 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
3710 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
3711 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
3712 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
3713 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
3714 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
3715 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
3716 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
3717 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
3718 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
3719 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
3720 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
3721 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
3722 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
3723 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
3724 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
3725 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
3726 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
3727 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
3728 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
3730 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
3731 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
3732 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
3733 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
3734 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
3735 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
3736 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
3737 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
3738 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
3739 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
3740 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
3741 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
3743 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
3745 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
3747 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
3749 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
3750 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3751 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
3752 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
3753 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3754 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3755 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3756 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3757 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
3758 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3760 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3761 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3762 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3763 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
3764 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3767 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
3768 Check is_trivially_copyable instead of is_scalar.
3769 (variant::emplace<N, Args>(Args&&...)): If construction of the new
3770 contained value can throw and its type is trivially copyable then
3771 construct into a temporary variant and move from it, to provide the
3772 strong exception safety guarantee.
3773 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
3775 * testsuite/20_util/variant/87431.cc: New test.
3776 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
3777 conversion causes valueless state.
3780 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
3781 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
3782 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
3783 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
3784 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
3786 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
3788 * include/bits/fs_fwd.h (__file_clock): Define new clock.
3789 (file_time_type): Redefine in terms of __file_clock.
3790 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
3792 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
3794 (internal_file_lock): New helper type for accessing __file_clock.
3795 (do_copy_file): Use internal_file_lock to convert system time to
3797 (last_write_time(const path&, error_code&)): Likewise.
3798 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
3800 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
3802 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
3803 for const member functions of std::basic_string.
3804 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
3806 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
3807 Make non-standard constructor private.
3808 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
3810 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
3811 explicit instantiations for C++17 as well as earlier dialects.
3812 * src/c++17/Makefile.am: Add new source files.
3813 * src/c++17/Makefile.in: Regenerate.
3814 * src/c++17/cow-string-inst.cc: New file defining explicit
3815 instantiations for basic_string member functions added in C++17.
3816 * src/c++17/string-inst.cc: Likewise.
3818 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
3819 copy/move constructors for old std::basic_string.
3820 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3821 (basic_string::reference, basic_string::const_reference): Define
3822 as plain references for C++11 and later.
3823 (basic_string::basic_string()): Put constructor body outside
3824 preprocessor conditional groups.
3825 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
3826 instead of copying it.
3827 (basic_string::basic_string(const basic_string&, const _Alloc&)):
3829 (basic_string::basic_string(basic_string&&, const _Alloc&)):
3831 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
3832 cases for old basic_string.
3833 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
3834 allocator-extended constructors unconditionally. Add extra members to
3835 allocator type when using old string ABI.
3836 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
3838 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
3840 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
3841 -fno-inline added to test flags.
3843 * testsuite/21_strings/basic_string/requirements/
3844 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
3846 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
3847 assertion failures with old std::string ABI.
3849 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
3851 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
3852 functions that will only erase elements at the end.
3853 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
3854 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
3855 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
3857 (path::_List::pop_back()): Define.
3858 (path::_List::_M_erase_from(const_iterator)): Define.
3859 (path::operator/=(const path&)): Use pop_back to remove last component
3860 and _M_erase_from to remove multiple components.
3861 (path::_M_append(basic_string_view<value_type>)): Likewise.
3862 (path::operator+=(const path&)): Likewise.
3863 (path::_M_concat(basic_string_view<value_type>)): Likewise.
3864 (path::remove_filename()): Likewise.
3865 (path::lexically_normal()): Use _List::_Impl iterators instead of
3866 path::iterator. Use pop_back to remove components from the end. Clear
3867 trailing filename, instead of using erase(const_iterator) to remove
3868 a non-final component.
3869 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
3871 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
3873 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
3874 incorrect treatment of empty filename after trailing slash.
3875 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
3877 * testsuite/21_strings/basic_string/modifiers/assign/char/
3878 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
3880 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
3881 move_assign_optim.cc: Likewise.
3883 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
3884 Jakub Jelinek <jakub@redhat.com>
3887 * include/experimental/memory: Replace UTF-8 quote characters.
3888 * include/std/future: Replace UTF-8 "em dash" characters.
3890 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
3893 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
3894 * include/debug/forward_list: Likewise.
3895 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
3897 * include/experimental/chrono: Likewise.
3898 * include/experimental/functional: Likewise.
3899 * include/experimental/ratio: Likewise.
3900 * include/experimental/system_error: Likewise.
3901 * include/experimental/tuple: Likewise.
3902 * include/experimental/type_traits: Likewise.
3903 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
3904 * include/parallel/multiseq_selection.h: Likewise.
3907 * config/abi/pre/gnu.ver: Add missing exports.
3908 * testsuite/22_locale/collate_byname/88681.cc: New test.
3909 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
3910 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
3912 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
3914 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
3915 initializer_list<value_type> and from input iterator ranges.
3916 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
3918 * testsuite/experimental/string_view/element_access/char/empty.cc:
3919 Fix year range in copyright header.
3921 2019-01-02 Joel Brobecker <brobecker@adacore.com>
3923 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
3924 Fix year range in copyright header.
3926 2019-01-01 Jakub Jelinek <jakub@redhat.com>
3928 Update copyright years.
3930 Copyright (C) 2019 Free Software Foundation, Inc.
3932 Copying and distribution of this file, with or without modification,
3933 are permitted in any medium without royalty provided the copyright
3934 notice and this notice are preserved.