1 2019-10-17 Jonathan Wakely <jwakely@redhat.com>
3 * include/Makefile.am: Add new header.
4 * include/Makefile.in: Regenerate.
5 * include/bits/range_cmp.h: New header for C++20 function objects.
6 * include/std/functional: Include new header.
7 * testsuite/20_util/function_objects/identity/1.cc: New test.
8 * testsuite/20_util/function_objects/range.cmp/equal_to.cc: New test.
9 * testsuite/20_util/function_objects/range.cmp/greater.cc: New test.
10 * testsuite/20_util/function_objects/range.cmp/greater_equal.cc: New
12 * testsuite/20_util/function_objects/range.cmp/less.cc: New test.
13 * testsuite/20_util/function_objects/range.cmp/less_equal.cc: New test.
14 * testsuite/20_util/function_objects/range.cmp/not_equal_to.cc: New
18 * include/bits/forward_list.h
19 (_M_move_assign(forward_list&&, false_type)): Do not use
20 __make_move_if_noexcept, instead move unconditionally.
21 * include/bits/stl_deque.h (_M_move_assign2(deque&&, false_type)):
23 * include/bits/stl_list.h (_M_move_assign(list&&, false_type)):
25 * include/bits/stl_vector.h (_M_move_assign(vector&&, false_type)):
27 * testsuite/23_containers/vector/92124.cc: New test.
29 2019-10-16 Jonathan Wakely <jwakely@redhat.com>
31 * include/bits/c++config (_GLIBCXX_BUILTIN_IS_SAME_AS): Define to
32 one of __is_same_as or __is_same when available.
33 * include/std/concepts (__detail::__same_as): Use std::is_same_v.
34 * include/std/type_traits (is_same) [_GLIBCXX_BUILTIN_IS_SAME_AS]:
35 Use new macro instead of __is_same_as.
36 (is_same) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Restore partial
38 (is_same_v) [_GLIBCXX_BUILTIN_IS_SAME_AS]: Use new macro.
39 (is_same_v) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Use std::is_same.
41 2019-10-16 François Dumont <fdumont@gcc.gnu.org>
43 * src/c++11/debug.cc (print_field): Replace constness_names <unknown>
44 entry with <unknown constness>. Replace state_names <unknown> entry with
47 2019-10-11 Jonathan Wakely <jwakely@redhat.com>
49 * include/Makefile.am: Add new header.
50 * include/Makefile.in: Regenerate.
51 * include/precompiled/stdc++.h: Include <concepts>.
52 * include/std/concepts: New header for C++20.
53 * include/std/version (__cpp_lib_concepts): Define.
54 * scripts/create_testsuite_files: Look for test files in new std
56 * testsuite/libstdc++-dg/conformance.exp: Likewise.
57 * testsuite/std/concepts/concepts.callable/invocable.cc: New test.
58 * testsuite/std/concepts/concepts.callable/regular_invocable.cc: New
60 * testsuite/std/concepts/concepts.callable/relation.cc: New test.
61 * testsuite/std/concepts/concepts.callable/strictweakorder.cc: New
63 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
64 floating_point.cc: New test.
65 * testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc:
67 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
68 signed_integral.cc: New test.
69 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
70 unsigned_integral.cc: New test.
71 * testsuite/std/concepts/concepts.lang/concept.assignable/1.cc: New
73 * testsuite/std/concepts/concepts.lang/concept.common/1.cc: New test.
74 * testsuite/std/concepts/concepts.lang/concept.commonref/1.cc: New
76 * testsuite/std/concepts/concepts.lang/concept.constructible/1.cc:
78 * testsuite/std/concepts/concepts.lang/concept.convertible/1.cc:
80 * testsuite/std/concepts/concepts.lang/concept.copyconstructible/1.cc:
82 * testsuite/std/concepts/concepts.lang/concept.defaultconstructible/
84 * testsuite/std/concepts/concepts.lang/concept.derived/1.cc:
86 * testsuite/std/concepts/concepts.lang/concept.destructible/1.cc:
88 * testsuite/std/concepts/concepts.lang/concept.moveconstructible/1.cc:
90 * testsuite/std/concepts/concepts.lang/concept.same/1.cc:
92 * testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc:
94 * testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc:
96 * testsuite/std/concepts/concepts.lang/concept.swappable/
97 swappable_with.cc: New test.
98 * testsuite/std/concepts/concepts.object/copyable.cc: New test.
99 * testsuite/std/concepts/concepts.object/movable.cc: New test.
100 * testsuite/std/concepts/concepts.object/regular.cc: New test.
101 * testsuite/std/concepts/concepts.object/semiregular.cc: New test.
103 * include/std/type_traits (is_same): Replace partial specialization
104 by using __is_same_as built-in in primary template.
105 (is_same_v): Use __is_same_as built-in instead of instantiating the
109 * include/tr2/dynamic_bitset (__dynamic_bitset_base): Define all
110 special member functions as defaulted. Add noexcept to most members.
111 (__dynamic_bitset_base(size_t, unsigned long long, const _Alloc&)):
112 Mask off unwanted bits in the __val parameter. Avoid undefined left
114 (__dynamic_bitset_base::_M_assign): Remove.
115 (__dynamic_bitset_base::_M_do_reset): Use std::fill.
116 (__dynamic_bitset_base::_M_are_all_aux): Avoid integer promotion when
117 block_type has lower rank than int.
118 (dynamic_bitset): Add noexcept to most members. Use injected-class-name
119 in return types and parameter types.
120 (dynamic_bitset::_M_Nb): Add default member initializer.
121 (dynamic_bitset(), dynamic_bitset(const dynamic_bitset&)): Define as
123 (dynamic_bitset(dynamic_bitset&&)): Clear source object after move.
124 (dynamic_bitset::operator=(const dynamic_bitset&)): Define as
126 (dynamic_bitset::operator=(dynamic_bitset&&)): Add noexcept-specifier.
127 Define without using swap, to propagate allocator correctly.
128 (dynamic_bitset(const char*, const _Alloc&)): Use strlen.
129 (dynamic_bitset::_M_do_sanitize, dynamic_bitset::_M_do_fill): Use
130 casts to avoid unwanted integer promotions.
131 (dynamic_bitset::_M_copy_from_ptr): Rearrange template parameters and
132 add default template arguments and default argument to simplify usage.
133 (dynamic_bitset::_M_copy_from_string): Adjust call to _M_copy_from_ptr.
134 (operator==(const dynamic_bitset&, const dynamic_bitset&))
135 (operator<(const dynamic_bitset&, const dynamic_bitset&)): Use _M_Nb.
136 * include/tr2/dynamic_bitset.tcc (dynamic_bitset::_M_copy_from_ptr):
137 Adjust template parameters to match declaration.
138 * testsuite/tr2/dynamic_bitset/cmp.cc: New test.
139 * testsuite/tr2/dynamic_bitset/cons.cc: New test.
140 * testsuite/tr2/dynamic_bitset/copy.cc: New test.
141 * testsuite/tr2/dynamic_bitset/move.cc: New test.
142 * testsuite/tr2/dynamic_bitset/pr92059.cc: New test.
144 * include/bits/charconv.h (__to_chars_len): Avoid -Wsign-compare
147 2019-10-10 Jonathan Wakely <jwakely@redhat.com>
150 * src/c++98/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]
151 (find_ldbl_sync_facet): Fix parameter type and missing return.
153 2019-10-09 Marek Polacek <polacek@redhat.com>
155 PR c++/91364 - P0388R4: Permit conversions to arrays of unknown bound.
156 PR c++/69531 - DR 1307: Differently bounded array parameters.
157 PR c++/88128 - DR 330: Qual convs and pointers to arrays of pointers.
158 * testsuite/23_containers/span/lwg3255.cc: Adjust test to match the
159 post-P0388R4 behavior.
161 2019-10-09 Jonathan Wakely <jwakely@redhat.com>
164 * src/c++98/locale.cc (locale::id::_M_id()) [__GTHREADS]: Use atomic
165 compare-exchange or double-checked lock to ensure only one thread sets
166 the _M_index variable.
167 [_GLIBCXX_LONG_DOUBLE_COMPAT]: Call find_ldbl_sync_facet to detect
168 facets that share another facet's ID.
169 [_GLIBCXX_LONG_DOUBLE_COMPAT] (find_ldbl_sync_facet): New function.
172 * src/c++98/locale_init.cc (locale::classic()): Do not construct a new
173 locale object for every call.
174 (locale::_S_initialize_once()): Construct C locale here.
176 2019-10-08 Jonathan Wakely <jwakely@redhat.com>
178 * doc/Makefile.am (doc-html-docbook-regenerate): New target.
179 (${docbook_outdir}/html): Do not create unused 'html/ext' directory.
180 * doc/Makefile.in: Regenerate.
181 * doc/xml/manual/documentation_hacking.xml: Document new target.
182 * doc/html/*: Regenerate.
184 * doc/xml/manual/allocator.xml: Use archived copy of CUJ article.
185 * doc/html/*: Regenerate.
187 2019-10-06 François Dumont <fdumont@gcc.gnu.org>
189 * include/bits/stl_algo.h
190 (__copy_n_a(_IIte, _Size, _OIte)): New.
191 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New declaration.
192 (__copy_n(_IIte, _Size, _OIte, input_iterator_tag)): Adapt to use
194 * include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
195 std::__copy_n_a friend.
196 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New.
197 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1.cc: New.
198 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1_neg.cc: New.
199 * testsuite/25_algorithms/copy_n/istreambuf_iterator/2_neg.cc: New.
201 * include/bits/stl_iterator_base_types.h (__iterator_category_t): Define
203 (_RequireInputIte): Likewise and use __enable_if_t.
204 * include/std/numeric
205 (__is_random_access_iter): Use __iterator_category_t.
207 * include/bits/stl_algo.h (copy_n): Add __glibcxx_requires_can_increment
209 * testsuite/25_algorithms/copy_n/debug/1_neg.cc: New.
210 * testsuite/25_algorithms/copy_n/debug/2_neg.cc: New.
212 2019-10-04 François Dumont <fdumont@gcc.gnu.org>
214 * include/debug/forward_list
215 (_Sequence_traits<__debug::forward_list<>>::_S_size): Returns __dp_sign
216 distance when not empty.
217 * include/debug/list (_Sequence_traits<__debug::list<>>::_S_size):
219 * include/debug/helper_functions.h (__dp_sign_max_size): New
220 _Distance_precision enum entry.
221 (__valid_range_aux(_IIte, _IIte, _Distance_traits<>::__type,
222 __false_type)): Adapt.
223 * include/debug/safe_iterator.tcc
224 (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator&)): Review
225 distance computation.
227 2019-10-04 Jonathan Wakely <jwakely@redhat.com>
231 * configure.ac: Use AC_SYS_LARGEFILE to enable 64-bit file APIs.
232 * config.h.in: Regenerate:
233 * configure: Regenerate:
234 * include/Makefile.am (${host_builddir}/largefile-config.h): New
235 target to generate config header for filesystem library.
236 (${host_builddir}/c++config.h): Rename macros for large file support.
237 * include/Makefile.in: Regenerate.
238 * src/c++17/fs_dir.cc: Include new config header.
239 * src/c++17/fs_ops.cc: Likewise.
240 (filesystem::file_size): Use uintmax_t for size.
241 * src/filesystem/dir.cc: Include new config header.
242 * src/filesystem/ops.cc: Likewise.
243 (experimental::filesystem::file_size): Use uintmax_t for size.
245 * testsuite/util/testsuite_abi.h: Use std::unordered_map instead of
246 std::tr1::unordered_map.
247 * testsuite/util/testsuite_allocator.h: Likewise.
249 * include/tr1/hashtable.h: Add header for __gnu_cxx::__alloc_traits.
251 * include/tr1/hashtable.h (tr1::_Hashtable::_M_allocate_node): Use
252 __gnu_cxx::__alloc_traits for allocator construct function.
253 (tr1::_Hashtable::_M_deallocate_node): Likewise for destroy function.
255 * include/precompiled/stdc++.h: Include <span> for C++20.
256 * testsuite/17_intro/names.cc: Do not define 'e' for C++20.
258 2019-10-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
260 * include/parallel/multiway_merge.h (_RAIter3): Replace _C by _Cp.
262 2019-10-02 Jonathan Wakely <jwakely@redhat.com>
264 * config/abi/pre/gnu.ver: Tighten up greedy wildcards.
266 * doc/xml/manual/parallel_mode.xml: Add caveat about support for
268 * doc/html/*: Regenerate.
270 2019-10-01 Jonathan Wakely <jwakely@redhat.com>
272 * include/experimental/algorithm (experimental::sample): Qualify call
273 to __sample correctly.
274 * include/parallel/algo.h (sample, for_each_n): Add using-declarations
275 for algorithms that don't have parallel implementations.
277 * include/parallel/algobase.h (equal, lexicographical_compare): Add
278 _GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
280 * include/parallel/algorithmfwd.h (equal, lexicographical_compare):
281 Add _GLIBCXX20_CONSTEXPR.
283 * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
285 * testsuite/20_util/hash/84998.cc: Likewise.
286 * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
287 * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
288 * testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
289 * testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
290 * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
291 * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
292 * testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
293 * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
295 * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
297 * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
299 * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
301 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
303 * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
304 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
305 * testsuite/25_algorithms/copy/86658.cc: Likewise.
306 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
307 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
308 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
309 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
311 * include/parallel/algo.h: Replace non-reserved names.
312 * include/parallel/multiway_merge.h: Likewise.
313 * include/parallel/multiway_mergesort.h: Likewise.
314 * include/parallel/numericfwd.h: Likewise.
315 * testsuite/17_intro/names.cc: Add RAI to test macros.
317 2019-09-30 François Dumont <fdumont@gcc.gnu.org>
319 * include/debug/array: Add C++20 constexpr to comparison operators.
320 * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
321 dg-error line numbers.
322 * testsuite/23_containers/array/tuple_interface/
323 tuple_element_debug_neg.cc: Likewise.
325 2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
327 * include/experimental/internet: Include netinet/in.h if we have
328 _GLIBCXX_HAVE_NETINET_IN_H defined.
330 * testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
331 FreeBSD warning about lower advertised precision of tgammal.
332 * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
333 * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
334 * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
335 * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
336 * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
337 * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
338 * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
339 * testsuite/tr1/5_numerical_facilities/special_functions/
340 08_cyl_bessel_i/check_nan.cc: Likewise.
341 * testsuite/tr1/5_numerical_facilities/special_functions/
342 09_cyl_bessel_j/check_nan.cc: Likewise.
343 * testuite/tr1/5_numerical_facilities/special_functions/
344 10_cyl_bessel_k/check_nan.cc: Likewise.
345 * testsuite/tr1/5_numerical_facilities/special_functions/
346 11_cyl_neumann/check_nan.cc: Likewise.
347 * testsuite/tr1/5_numerical_facilities/special_functions/
348 21_sph_bessel/check_nan.cc: Likewise.
349 * testsuite/tr1/5_numerical_facilities/special_functions/
350 23_sph_neumann/check_nan.cc: Likewise.
352 2019-09-30 Jonathan Wakely <jwakely@redhat.com>
354 * include/std/span (span(element_type(&)[N]))
355 (span(array<value_type, N>&), span(const array<value_type, N>&)):
356 Deduce array element type to allow safe const conversions (LWG 3255).
357 [!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
358 remove_cv_t on arguments to __is_std_span and __is_std_array.
359 * testsuite/23_containers/span/lwg3255.cc: New test.
362 * include/parallel/checkers.h (__is_sorted): Remove unused variable.
364 2019-09-28 François Dumont <fdumont@gcc.gnu.org>
366 * include/bits/stl_algo.h (merge): Fix documentation.
367 * include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
368 (__check_sorted): Likewise and remove nested irreflexive check.
369 (__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
370 (__check_partitioned_lower, __check_partitioned_upper): Likewise.
371 (_Irreflexive_checker::_S_is_valid): Likewise.
372 (__is_irreflexive, __is_irreflexive_pred): Likewise.
373 * include/debug/helper_functions.h (__get_distance): Add constexpr.
374 (__valid_range_aux): Add C++20 constexpr.
375 (__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
376 Likewise and add std::is_constant_evaluated check.
377 (__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
378 (__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
379 (__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
381 (__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
382 __builtin_is_contant_evaludated check..
383 (__can_advance, __base): Add constexpr.
384 * include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
385 (_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
386 (__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
387 (__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
388 * testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
390 * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
391 * testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
392 lambda to be irreflexive.
394 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
396 * configure: Regenerate.
398 2019-09-27 Jonathan Wakely <jwakely@redhat.com>
401 * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
402 atomically and lock the mutex before accessing the sequence.
403 (_Safe_local_iterator_base::_M_detach()): Likewise.
404 (_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
406 2019-09-26 Jonathan Wakely <jwakely@redhat.com>
408 * include/debug/array (to_array): Define for debug mode.
410 * include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
411 piecewise construction constructor, assignment operators, and swap.
412 * include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
413 Add _GLIBCXX20_CONSTEXPR.
414 (pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
415 * testsuite/20_util/pair/constexpr_assign.cc: New test.
416 * testsuite/20_util/pair/constexpr_swap.cc: New test.
418 * include/experimental/internet (operator==, operator<): Fix loop
419 condition to avoid reading past the end of the array.
421 * include/std/array: Remove references to profile mode.
422 * include/std/bitset: Likewise.
423 * include/std/deque: Likewise.
424 * include/std/forward_list: Likewise.
425 * include/std/list: Likewise.
426 * include/std/map: Likewise.
427 * include/std/set: Likewise.
428 * include/std/unordered_map: Likewise.
429 * include/std/unordered_set: Likewise.
430 * include/std/vector: Likewise.
431 * testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
432 * testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
434 2019-09-25 Jonathan Wakely <jwakely@redhat.com>
436 * include/bits/regex.h
437 (basic_regex::assign(const C*, size_t, flag_type)): Add default
439 * testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
440 * testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
442 2019-09-24 Jonathan Wakely <jwakely@redhat.com>
444 * include/std/variant (variant::index()): Remove impossible case.
447 * testsuite/util/testsuite_hooks.h
448 (conversion::iterator_to_const_iterator()): Do not return an invalid
449 iterator. Test direct-initialization and direct-list-initialization
450 as well as implicit conversion.
452 2019-09-23 Jonathan Wakely <jwakely@redhat.com>
454 PR libstdc++/91788 (partial)
455 * include/std/variant (variant::index()): Improve codegen for cases
456 where conversion to size_t already works correctly.
458 2019-09-23 Andreas Schwab <schwab@suse.de>
460 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
462 2019-09-12 Jonathan Wakely <jwakely@redhat.com>
465 * include/bits/stl_algo.h (for_each_n): Fix random access iterator
467 * testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
470 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
472 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
475 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
476 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
477 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
480 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
482 * include/std/type_traits (__do_common_type_impl): Implement
483 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
484 (basic_common_reference, common_reference, common_reference_t): Define
486 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
488 * testsuite/20_util/common_reference/requirements/
489 explicit_instantiation.cc: New test.
490 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
493 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
494 non-template overloads for each signed and unsigned integer type and
495 char. Define deleted overload for bool (LWG 3266).
496 * testsuite/20_util/to_chars/1_neg.cc: Remove.
497 * testsuite/20_util/to_chars/3.cc: New test.
498 * testsuite/20_util/to_chars/lwg3266.cc: New test.
500 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
502 * acinclude.m4: Handle uclinux*.
503 * configure: Regenerate.
504 * configure.host: Handle uclinux*
506 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
507 Mickaël Guêné <mickael.guene@st.com>
509 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
512 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
515 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
516 0ul being a valid null pointer constant.
518 * include/std/type_traits (__remove_cv_t): New alias template.
519 (is_void, is_integral, is_floating_point, is_pointer)
520 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
521 (is_member_point), __is_signed_integer, __is_unsigned_integer)
522 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
523 (__decay_selector): Use __remove_cv_t.
524 (remove_cv): Add partial specializations for cv-qualified types.
525 (__decay_t): New alias template.
526 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
528 (__enable_if_t): Move earlier in the file.
529 (_Require): Use __enable_if_t.
530 (swap(T&, T&)): Use _Require.
531 (swap(T(&)[N])): Use __enable_if_t.
533 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
535 Implement C++20 p1424 - 'constexpr' feature macro concerns,
536 Issue 3256 - Feature testing macro for constexpr algorithms,
537 and Issue 3257 - Missing feature testing macro update from P0858.
538 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
539 * include/bits/algorithmfwd.h: Ditto.
540 * include/std/utility: Ditto.
541 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
542 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
543 __cpp_lib_constexpr macro in <algorith>.
544 * testsuite/20_util/exchange/constexpr.cc: Add check for
545 __cpp_lib_constexpr macro in <utility>.
546 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
547 __cpp_lib_constexpr_algorithms.
548 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
549 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
550 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
551 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
552 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
553 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
554 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
555 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
556 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
557 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
558 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
559 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
560 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
561 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
562 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
563 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
564 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
565 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
566 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
567 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
568 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
569 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
570 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
571 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
572 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
573 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
574 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
575 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
576 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
577 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
578 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
579 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
580 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
581 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
582 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
583 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
584 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
585 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
586 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
587 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
588 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
589 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
590 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
591 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
592 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
593 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
594 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
595 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
596 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
597 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
598 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
599 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
600 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
602 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
604 Update docs for recent <span> and constexpr lib changes.
605 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
606 p1023r0, p1085r2 status.
607 * doc/html/manual/status.html: Regenerate.
609 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
611 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
612 final offsets with constants.
614 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
616 * include/bits/range_access.h (__adl_to_address): Remove.
617 * include/std/span (__is_base_derived_safe_convertible_v): Replace
618 with span::__is_compatible.
619 (__is_std_array_v): Replace with __is_std_array class template and
620 partial specializations.
621 (__is_std_array, __is_std_span): New class templates and partial
623 (span::__is_compatible): New alias template for SFINAE constraints.
624 (span::span(element_type (&)[N])): Remove redundant constraints. Do
625 not use __adl_data to obtain a pointer.
626 (span::span(array<value_type, N>&)): Likewise.
627 (span::span(const array<value_type, N>&)): Likewise.
628 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
629 (span::iter_value_t, span::derived_from): New alias templates for
630 SFINAE constraints, until the equivalents are supported in <concepts>
632 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
633 for SFINAE constraints.
634 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
636 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
637 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
638 Use std::to_address instead of __adl_to_address.
639 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
640 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
641 template for SFINAE constraints.
642 [!_GLIBCXX_P1394] (span::span(Container&))
643 (span::span(const Container&)): Improve constraints.
644 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
645 (span::span(pointer, pointer)): Remove redundant cast of pointer.
646 (span(const span<OType, OExtent>&)): New constructor.
648 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
650 * include/bits/range_access.h (ssize): Define for C++20.
651 * testsuite/24_iterators/range_access_cpp20.cc: New test.
652 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
653 * doc/html/*: Regenerate.
655 2019-09-06 Florian Weimer <fweimer@redhat.com>
657 * configure: Regenerate.
659 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
661 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
662 P1024R3. Remove entry for P0920R2.
663 * include/std/span (__cpp_lib_span): Change value.
664 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
666 (span): Replace __extent_storage base class with data member.
667 (span::_S_subspan_extent): New function.
668 (span::empty()): Add nodiscard attribute.
669 (span::front, span::back, span::operator[]): Check preconditions.
670 (span::first, span::last, span::subspan): Add noexcept. Improve
671 precondition checks (LWG 3103).
672 (get): Remove redundant condition from static_assert.
673 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
674 (as_writable_bytes): Add inline specifier.
675 * include/std/version (__cpp_lib_span): Change value.
676 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
677 * testsuite/23_containers/span/front_neg.cc: Likewise.
678 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
679 * testsuite/23_containers/span/last_neg.cc: Improve test.
680 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
681 * testsuite/23_containers/span/1.cc: New test.
682 * testsuite/23_containers/span/2.cc: New test.
683 * testsuite/23_containers/span/back_assert_neg.cc: New test.
684 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
685 * testsuite/23_containers/span/first_assert_neg.cc: New test.
686 * testsuite/23_containers/span/first_neg.cc: New test.
687 * testsuite/23_containers/span/front_assert_neg.cc: New test.
688 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
689 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
690 * testsuite/23_containers/span/last_assert_neg.cc: New test.
691 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
692 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
693 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
694 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
695 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
696 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
698 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
700 * include/Makefile.am: Add <span> header.
701 * include/Makefile.in: Regenerate.
702 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
703 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
704 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
705 New functions for performing argument-dependent lookup of range
706 customization points.
707 * include/bits/stl_iterator.h (__normal_iterator): Add
708 _GLIBCXX20_CONSTEXPR to all functions.
709 * include/std/span: New header.
710 * include/std/version (__cpp_lib_span): Define feature test macro.
711 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
712 * testsuite/23_containers/span/everything.cc: New test.
713 * testsuite/23_containers/span/get_neg.cc: New test.
714 * testsuite/23_containers/span/last_neg.cc: New test.
715 * testsuite/23_containers/span/subspan_neg.cc: New test.
716 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
717 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
718 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
720 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
722 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
723 * doc/html/*: Regenerate.
725 2019-09-04 Mike Crowe <mac@mcrowe.com>
728 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
729 pthread_cond_clockwait function.
730 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
731 * configure: Regenerate.
732 * config.h.in: Regenerate.
733 * include/std/condition_variable: (condition_variable): Rename
734 __steady_clock_t typedef and add system_clock. Change __clock_t to be
735 a typedef for the preferred clock to convert arbitrary other clocks to.
736 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
738 (wait_until): Change __clock_t overload to use system_clock.
739 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
740 steady_clock overload that calls pthread_cond_clockwait.
741 (__wait_until_impl): Change __clock_t overload to use system_clock.
742 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
743 steady_clock for __clock_t if pthread_cond_clockwait is available.
745 2019-09-04 Mike Crowe <mac@mcrowe.com>
747 * testsuite/30_threads/condition_variable/members/2.cc (test01):
748 Parameterise so that test can be run against an arbitrary clock.
749 (main): Test using std::chrono::steady_clock and a user-defined
750 clock in addition to the previous std::chrono::system_clock.
751 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
753 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
755 * crossconfig.m4: Remove references to spu.
756 * configure: Regenerate.
757 * doc/xml/manual/appendix_contributing.xml: Remove references
758 to __ea as "badword" for spu.
759 * doc/html/manual/source_code_style.html: Regenerate.
760 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
761 to avoid __ea (as "badword" for spu).
762 (__ellint_rj): Likewise.
764 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
767 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
768 scanning to conform to the GNU Coding Standards.
769 * configure: Regenerate.
771 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
773 * src/c++17/memory_resource.cc: Use __constinit keyword.
775 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
777 * doc/xml/manual/abi.xml: Document 9.x library versions.
778 * doc/html/*: Regenerate.
780 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
782 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
783 (__detail::__to_chars_8_len): Remove.
784 (__detail::__to_chars_8): Inline length calculation here.
785 (__detail::__from_chars_binary): Use numeric_limits instead of
788 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
790 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
791 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
792 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
793 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
796 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
798 * testsuite_files/util/testsuite_performance.h
799 (resource_counter::start): Ignore unused malloc(0) result.
801 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
803 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
804 Model Object Technologies): Adjust name and link.
806 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
808 * include/std/charconv (__detail::__to_chars_8)
809 __detail::__to_chars_16): Replace array of precomputed digits with
810 arithmetic operations to avoid CPU cache misses. Remove zero
811 termination from array of digits to allow symbol merge with generic
812 implementation of __detail::__to_chars. Replace final offsets with
813 constants. Use __detail::__to_chars_len_2 instead of a generic
814 __detail::__to_chars_len.
815 (__detail::__to_chars): Remove zero termination from array of digits.
816 (__detail::__to_chars_2): Leading digit is always '1'.
818 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
820 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
822 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
824 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
826 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
829 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
830 to template parameters.
831 * include/bits/stl_uninitialized.h (uninitialized_copy)
832 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
833 diagnose invalid uses.
834 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
835 Adjust expected error.
836 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
838 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
840 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
842 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
844 * testsuite/23_containers/vector/cons/89164.cc: New test.
845 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
847 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
850 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
851 * configure: Regenerate.
852 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
854 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
856 * testsuite/util/testsuite_abi.cc: Add new symbol version.
858 2019-08-29 Jakub Jelinek <jakub@redhat.com>
860 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
861 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
863 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
865 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
866 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
867 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
868 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
869 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
870 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
871 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
873 2019-08-23 Joseph Myers <joseph@codesourcery.com>
875 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
876 (std::filesystem::__gnu_posix::lstat): Add return type.
878 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
880 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
882 * include/std/numeric (reduce): Fix Doxygen markup.
885 * include/std/type_traits (is_function): Simplify definition. Remove
886 partial specializations for function types.
887 (__is_referenceable): Simplify definition.
888 * testsuite/20_util/bind/91371.cc: New test.
889 * testsuite/20_util/is_function/91371.cc: New test.
890 * testsuite/20_util/is_function/value.cc: Check more pointer types.
891 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
892 * testsuite/20_util/is_object/91371.cc: New test.
894 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
896 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
898 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
901 * include/bits/std_function.h (__check_func_return_type): Remove.
902 (function::_Callable): Use std::__is_invocable_impl instead of
903 __check_func_return_type.
904 * include/std/type_traits (__is_invocable_impl): Add another defaulted
905 template parameter. Define a separate partial specialization for
906 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
907 with a check that models delayed temporary materialization.
908 * testsuite/20_util/function/91456.cc: New test.
909 * testsuite/20_util/is_invocable/91456.cc: New test.
911 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
913 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
915 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
917 Implement C++20 p0879 - Constexpr for swap and swap related functions.
918 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
919 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
921 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
922 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
923 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
924 * include/bits/move.h (swap): Add constexpr.
925 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
926 (__gcd, __rotate, rotate, __partition, __heap_select)
927 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
928 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
929 (__introselect, __chunk_insertion_sort, next_permutation)
930 (prev_permutation, partition, partial_sort, nth_element, sort)
931 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
932 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
933 (swap_ranges): Add constexpr.
934 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
935 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
937 * include/std/type_traits (swap): Add constexpr.
938 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
939 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
940 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
941 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
942 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
943 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
944 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
945 * testsuite/25_algorithms/partition/constexpr.cc: New test.
946 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
947 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
948 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
949 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
950 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
951 * testsuite/25_algorithms/sort/constexpr.cc: New test.
952 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
953 * testsuite/25_algorithms/swap/constexpr.cc: New test.
954 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
956 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
959 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
961 * include/std/tuple (__unpack_std_tuple): New variable template and
962 partial specializations.
963 (apply, make_from_tuple): Add noexcept-specifier.
964 * testsuite/20_util/tuple/apply/2.cc: New test.
965 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
967 2019-08-09 Corentin Gay <gay@adacore.com>
969 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
970 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
971 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
972 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
973 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
974 Add call to `VERIFY`.
976 2019-08-09 Alexandre Oliva <oliva@adacore.com>
979 (normal_mv_distribution::param_type::param_type): New private
980 ctor taking a decomposed varcov matrix, for use by...
981 (operator>>): ... this, befriended.
982 * include/ext/random.tcc (operator>>): Use it.
983 (normal_mv_distribution::param_type::_M_init_lower): Adjust
984 member function name in exception message.
986 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
988 P0325R4 to_array from LFTS with updates
989 * include/experimental/array (to_array): Qualify call to __to_array.
990 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
991 * include/std/version (__cpp_lib_to_array): Likewise.
992 * testsuite/23_containers/array/creation/1.cc: New test.
993 * testsuite/23_containers/array/creation/2.cc: New test.
994 * testsuite/23_containers/array/creation/3_neg.cc: New test.
995 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
996 Use zero for dg-error line number.
998 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
1000 P1651R0 bind_front should not unwrap reference_wrapper
1001 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
1002 * include/std/version (__cpp_lib_bind_front): Update value.
1003 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
1005 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
1007 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
1008 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
1009 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
1010 specializations for __float128.
1011 * testsuite/26_numerics/numbers/float128.cc: New test.
1013 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
1015 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
1018 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
1020 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
1021 in <algorithm> and <utility> Headers.
1022 Implement C++20 p1023 - constexpr comparison operators for std::array.
1023 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
1024 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
1025 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
1026 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
1027 none_of, partition_copy, partition_point, remove, remove_if,
1028 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
1029 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
1030 count_if, equal, find, find_first_of, find_if, for_each, generate,
1031 generate_n, lexicographical_compare, merge, mismatch, replace,
1032 replace_if, search, search_n, set_difference, set_intersection,
1033 set_symmetric_difference, set_union, transform, unique_copy):
1035 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
1036 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
1037 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
1038 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
1039 Use const ref instead of ref arg;
1040 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
1041 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
1042 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
1043 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
1044 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
1045 __iter_comp_iter): Mark constexpr.
1046 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
1047 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
1048 none_of, any_of, find_if_not, is_partitioned, partition_point,
1049 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
1050 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
1051 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
1052 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
1053 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
1054 __equal_range, equal_range, binary_search, __includes, includes,
1055 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
1056 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
1057 is_sorted_until, __is_permutation, is_permutation, for_each, find,
1058 find_if, find_first_of, adjacent_find, count, count_if, search,
1059 search_n, transform, replace, replace_if, generate, generate_n,
1060 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
1061 set_intersection, __set_difference, set_difference,
1062 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
1063 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
1064 wrappers around __builtin_memmove and __builtin_memcmp
1066 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
1067 copy, move, __copy_move_b, __copy_move_backward_a,
1068 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
1069 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
1070 __lexicographical_compare_impl, __lexicographical_compare,
1071 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
1072 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
1073 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
1074 is_heap): Mark constexpr.
1075 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
1076 is_heap): Mark constexpr.
1077 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
1078 * include/std/array: Make comparison ops constexpr.
1079 * include/std/utility: Make exchange constexpr.
1080 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
1081 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
1082 * testsuite/23_containers/array/tuple_interface/
1083 tuple_element_neg.cc: Adjust.
1084 * testsuite/20_util/exchange/constexpr.cc: New.
1085 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
1086 * testsuite/25_algorithms/constexpr_macro.cc: New.
1087 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
1088 * testsuite/25_algorithms/all_of/constexpr.cc: New.
1089 * testsuite/25_algorithms/any_of/constexpr.cc: New.
1090 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
1091 * testsuite/25_algorithms/copy/constexpr.cc: New.
1092 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
1093 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
1094 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
1095 * testsuite/25_algorithms/count/constexpr.cc: New.
1096 * testsuite/25_algorithms/count_if/constexpr.cc: New.
1097 * testsuite/25_algorithms/equal/constexpr.cc: New.
1098 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
1099 * testsuite/25_algorithms/fill/constexpr.cc: New.
1100 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
1101 * testsuite/25_algorithms/find/constexpr.cc: New.
1102 * testsuite/25_algorithms/find_end/constexpr.cc: New.
1103 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
1104 * testsuite/25_algorithms/find_if/constexpr.cc: New.
1105 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
1106 * testsuite/25_algorithms/for_each/constexpr.cc: New.
1107 * testsuite/25_algorithms/generate/constexpr.cc: New.
1108 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
1109 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
1110 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
1111 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
1112 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
1113 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
1114 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
1115 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
1116 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
1117 * testsuite/25_algorithms/merge/constexpr.cc: New.
1118 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
1119 * testsuite/25_algorithms/none_of/constexpr.cc: New.
1120 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
1121 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
1122 * testsuite/25_algorithms/remove/constexpr.cc: New.
1123 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
1124 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
1125 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
1126 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
1127 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
1128 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
1129 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
1130 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
1131 * testsuite/25_algorithms/search/constexpr.cc: New.
1132 * testsuite/25_algorithms/search_n/constexpr.cc: New.
1133 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
1134 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
1135 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
1136 * testsuite/25_algorithms/set_union/constexpr.cc: New.
1137 * testsuite/25_algorithms/transform/constexpr.cc: New.
1138 * testsuite/25_algorithms/unique/constexpr.cc: New.
1139 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
1140 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
1142 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
1144 * include/std/memory (make_obj_using_allocator): Qualify call to
1145 uses_allocator_construction_args.
1147 P0631R4 Math Constants
1148 * include/Makefile.am: Add new header.
1149 * include/Makefile.in: Regenerate.
1150 * include/precompiled/stdc++.h: Include new header.
1151 * include/std/numbers: New header.
1152 * include/std/version (__cpp_lib_math_constants): Define.
1153 * testsuite/26_numerics/numbers/1.cc: New test.
1154 * testsuite/26_numerics/numbers/2.cc: New test.
1155 * testsuite/26_numerics/numbers/3.cc: New test.
1156 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
1158 * include/std/bit: Add Doxygen comments.
1161 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
1162 constraints on deleter that should only apply to the constructor.
1163 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
1164 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
1165 constraints on deleter here.
1166 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
1168 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
1171 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
1173 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
1175 * testsuite/18_support/51333.cc: New test.
1177 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
1179 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
1180 to the Doxygen manual. Avoid a "here" link on the way.
1181 Fix another broken link to Doxygen docblocks.
1183 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
1185 * include/std/bit (__cpp_lib_endian): Define.
1186 * include/std/version (__cpp_lib_endian): Define.
1187 * testsuite/26_numerics/endian/2.cc: New.
1188 * testsuite/26_numerics/endian/3.cc: New.
1189 * testsuite/26_numerics/endian/4.cc: New.
1191 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
1193 * testsuite/util/testsuite_iterators.h
1194 (bidirectional_iterator_wrapper): Fix type comment.
1195 (random_access_iterator_wrapper): Likewise.
1197 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
1199 * include/std/bit (endian): Move definition here as per P1612R1.
1200 * include/std/type_traits (endian): Remove definition from here.
1201 * testsuite/20_util/endian/1.cc: Rename to ...
1202 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
1204 2019-07-25 Martin Liska <mliska@suse.cz>
1205 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
1208 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
1209 -fno-allocation-dce.
1210 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
1211 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
1212 * testsuite/ext/new_allocator/check_new.cc: Likewise.
1214 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
1216 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
1217 * testsuite/26_numerics/bit/bit.count/*: Here.
1219 * include/std/bit (__rotl, __rotr): Change second parameter from
1220 unsigned int to int and handle negative values.
1221 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
1222 parameter from unsigned int to int. Add nodiscard attribute.
1223 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
1224 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
1226 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
1227 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
1230 * include/std/bit (__ceil2): Make unrepresentable results undefined,
1231 as per P1355R2. Add debug assertion. Perform one left shift, not two,
1232 so that out of range values cause undefined behaviour. Ensure that
1233 shift will still be undefined if left operand is promoted.
1234 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
1235 unrepresentable values with checks that they are not core constant
1237 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
1239 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
1241 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
1242 sized deallocation size computation.
1244 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
1246 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
1248 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
1250 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
1251 (~_Temporary_buffer()): Use latter.
1252 (_Temporary_buffer(_FIterator, size_type)): Likewise.
1254 2019-07-17 Andreas Schwab <schwab@suse.de>
1256 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1258 2019-07-16 Jason Merrill <jason@redhat.com>
1260 * include/std/memory (uses_allocator_construction_args): Add parens
1263 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
1265 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
1267 * include/experimental/string_view (__detail::__idt): Remove.
1268 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1269 Use __type_identity_t instead of __detail::__idt;
1270 * include/std/string_view (__detail::__idt): Remove.
1271 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1272 Use __type_identity_t instead of __detail::__idt;
1273 * include/std/type_traits (__type_identity_t): New alias template.
1275 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
1276 and floating point atomics.
1278 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
1280 * doc/xml/manual/configure.xml: Improve documentation of
1281 --enable-libstdcxx-time option.
1283 * include/bits/atomic_base.h (__atomic_impl): New namespace for
1284 wrappers around atomic built-ins.
1285 (__atomic_float, __atomic_ref): New class templates for use as base
1287 * include/std/atomic (atomic<float>, atomic<double>)
1288 (atomic<long double>): New explicit specializations.
1289 (atomic_ref): New class template.
1290 (__cpp_lib_atomic_ref): Define.
1291 * include/std/version (__cpp_lib_atomic_ref): Define.
1292 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
1293 * testsuite/29_atomics/atomic_float/1.cc: New test.
1294 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
1295 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
1296 * testsuite/29_atomics/atomic_ref/float.cc: New test.
1297 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
1298 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
1299 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
1300 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
1302 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
1304 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
1305 throw() with _GLIBCXX_NOTHROW.
1306 (__atomic_add_dispatch): Return after performing atomic increment.
1308 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
1310 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
1311 (__exchange_and_add): Replace static specifier with always_inline
1313 (__exchange_and_add_single, __atomic_add_single): Likewise.
1314 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
1315 combine !__gthread_active_p() and !__GTHREADS branches.
1317 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
1320 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
1321 * configure: Regenerate.
1322 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
1324 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
1325 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1327 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
1329 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
1330 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
1331 instead of __is_identifier to detect Clang support.
1333 2019-07-02 Jim Wilson <jimw@sifive.com>
1335 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
1337 * configure: Regenerate.
1339 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
1342 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
1343 for the what_arg parameters.
1344 (filesystem_error::filesystem_error): Pass system_error::what() to
1345 the _Impl constructor.
1346 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
1347 filesystem_error::what() contains system_error::what().
1349 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
1351 * include/std/charconv (chars_format): Define bitmask type.
1352 * testsuite/20_util/to_chars/chars_format.cc: New test.
1354 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
1355 * include/std/bit (_If_is_unsigned_integer_type): Remove.
1356 (_If_is_unsigned_integer): Use __is_unsigned_integer.
1357 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
1358 (countl_one(byte), countr_zero(byte), countr_one(byte))
1359 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
1360 (log2p1(byte)): Remove.
1361 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
1362 (__detail::__is_int_to_chars_type): Remove.
1363 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
1364 and __is_unsigned_integer.
1365 * include/std/type_traits (__is_one_of): Move here from <charconv>.
1366 (__is_signed_integer, __is_unsigned_integer): New helpers.
1367 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
1369 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
1370 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
1371 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
1372 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
1373 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1374 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1375 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1376 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1377 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
1378 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
1380 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
1382 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
1385 2019-06-25 Jakub Jelinek <jakub@redhat.com>
1387 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1388 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1389 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1390 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1392 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
1394 * include/std/numeric (midpoint(T, T)): Change implementation for
1395 floating-point types to avoid incorrect rounding of denormals.
1396 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
1397 rounding with denormals.
1398 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
1399 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1401 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
1403 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
1405 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
1407 * configure: Regenerate.
1409 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
1410 Qualify calls to __never_valueless.
1412 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
1413 C++17 working draft.
1415 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
1416 vector<bool> for test.
1417 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1419 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1421 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
1423 (istream_iterator::_M_read()): Do not check stream state before
1424 attempting extraction. Set stream pointer to null when extraction
1426 (operator==(const istream_iterator&, const istream_iterator&)): Change
1427 to be a hidden friend of istream_iterator.
1428 (operator!=(const istream_iterator&, const istream_iterator&)):
1430 (ostream_iterator::ostream_iterator()): Add default constructor.
1431 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
1433 * testsuite/24_iterators/istream_iterator/1.cc: New test.
1434 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
1435 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
1436 constructor taking a string.
1437 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
1440 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
1441 Jonathan Wakely <jwakely@redhat.com>
1444 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
1445 values of type bool for vector<bool> elements.
1446 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
1447 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1449 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1451 PR libstdc++/90920 partially revert r263433
1452 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
1453 (rotate): Remove checks.
1454 * testsuite/25_algorithms/rotate/90920.cc: New test.
1456 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
1457 category used in invocable check.
1458 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
1459 * testsuite/26_numerics/reduce/2.cc: New test.
1461 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
1463 * include/bits/algorithmfwd.h: Change title of doc group.
1464 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
1466 * include/bits/stl_numeric.h: Define doc group and add algos to it.
1467 * include/std/numeric (__is_random_access_iter): New internal trait.
1468 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
1469 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
1470 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
1471 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
1472 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
1473 * testsuite/26_numerics/reduce/1.cc: New test.
1474 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
1475 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
1476 * testsuite/26_numerics/transform_reduce/1.cc: New test.
1477 * testsuite/util/testsuite_iterators.h (test_container::size()): New
1480 * include/c_global/cstddef (std::byte): Perform arithmetic operations
1481 in unsigned int to avoid promotion (LWG 2950).
1483 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1485 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
1488 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
1490 PR libstdc++/90281 Fix string conversions for filesystem::path
1491 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1492 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
1493 __str_codecvt_in_all to fail for partial conversions and throw on
1495 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
1496 (path::_Cvt<char8_t>): Add explicit specialization.
1497 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
1499 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1500 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
1501 instead of codecvt_utf8. Use __str_codecvt_in_all and
1502 __str_codecvt_out_all.
1503 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1504 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1505 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1506 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1507 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
1508 after converting to UTF-8.
1509 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
1510 __str_codecvt_in_all.
1511 (path::string): Fix initialization of string types with different
1513 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1514 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1515 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
1517 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
1518 return false for partial conversions.
1519 * include/experimental/bits/fs_path.h (u8path):
1520 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
1521 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
1522 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
1523 instead of codecvt_utf8. Use __str_codecvt_in_all and
1524 __str_codecvt_out_all.
1525 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1526 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1527 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1528 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1529 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
1530 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1531 __str_codecvt_in_all.
1532 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1533 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1534 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
1535 __str_codecvt_in_all.
1536 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
1537 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
1538 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
1539 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
1540 strings and with Unicode characters outside the basic multilingual
1542 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
1543 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
1544 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
1545 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
1546 * testsuite/experimental/filesystem/path/native/string.cc: Test with
1547 empty strings and with Unicode characters outside the basic
1550 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
1551 Jonathan Wakely <jwakely@redhat.com>
1553 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
1554 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
1555 deallocate node if insertion fails.
1556 (_Hashtable::_M_insert_multi_node): Likewise.
1557 (_Hashtable::_M_reinsert_node): Pass additional key argument.
1558 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
1559 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
1560 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
1561 (_Hashtable::extract(const _Key&)): Likewise.
1562 (_Hashtable::_M_merge_unique): Pass additional key argument.
1563 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
1565 (_Hashtable::_M_insert): Likewise.
1566 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
1567 (_Hashtable_alloc): Add comments to functions with misleading names.
1569 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1571 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
1573 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
1574 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
1575 header for std::allocator.
1576 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
1577 using-declaration for std::size_t.
1578 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
1580 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
1582 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
1583 * testsuite/experimental/map/erasure.cc: Include <string> for
1585 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
1587 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
1589 * include/experimental/type_traits (experimental::nonesuch): Use
1590 pragma to disable -Wctor-dtor-privacy warnings.
1591 * include/std/type_traits (__is_convertible_helper<From, To, false>)
1592 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
1594 * include/std/version (__cpp_lib_bind_front): Add missing macro.
1596 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
1598 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
1599 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
1600 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
1601 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
1603 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
1604 (variant::emplace): Change static_assert messages from "should be"
1606 (hash<monostate>::operator()): Remove name of unused parameter.
1608 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
1611 * include/Makefile.am: Add new <bits/charconv.h> header.
1612 * include/Makefile.in: Regenerate.
1613 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
1614 (to_string(long), to_string(unsigned long), to_string(long long))
1615 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
1616 * include/bits/charconv.h: New header.
1617 (__detail::__to_chars_len): Move here from <charconv>.
1618 (__detail::__to_chars_10_impl): New function extracted from
1619 __detail::__to_chars_10.
1620 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
1621 (__to_chars_unsigned_type): New class template that reuses
1622 __make_unsigned_selector_base::__select to pick a type.
1623 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
1624 (__detail::__to_chars_len): Move to new header.
1625 (__detail::__to_chars_10): Add inline specifier. Move code doing the
1626 output to __detail::__to_chars_10_impl and call that.
1627 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
1628 * testsuite/21_strings/basic_string/numeric_conversions/char/
1629 to_string.cc: Fix reference in comment. Remove unused variable.
1630 * testsuite/21_strings/basic_string/numeric_conversions/char/
1631 to_string_int.cc: New test.
1633 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1635 Fix ConstexprIterator requirements tests - No constexpr algorithms!
1636 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1637 Replace copy with hand-rolled loop.
1638 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1641 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
1643 Test for C++20 p0858 - ConstexprIterator requirements.
1644 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1646 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1649 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
1651 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
1653 * include/bits/c++config: Rename all macros of the form __PSTL* to
1655 * include/std/algorithm: Likewise.
1656 * include/std/execution: Likewise.
1657 * include/std/numeric: Likewise.
1658 * include/std/memory: Likewise.
1659 * include/pstl/glue_memory_impl.h: Likewise.
1660 * include/pstl/numeric_impl.h: Likewise.
1661 * include/pstl/glue_memory_defs.h: Likewise.
1662 * include/pstl/execution_defs.h: Likewise.
1663 * include/pstl/utils.h: Likewise.
1664 * include/pstl/algorithm_fwd.h: Likewise.
1665 * include/pstl/unseq_backend_simd.h: Likewise.
1666 * include/pstl/glue_execution_defs.h: Likewise.
1667 * include/pstl/algorithm_impl.h: Likewise.
1668 * include/pstl/parallel_impl.h: Likewise.
1669 * include/pstl/memory_impl.h: Likewise.
1670 * include/pstl/glue_numeric_defs.h: Likewise.
1671 * include/pstl/parallel_backend_utils.h: Likewise.
1672 * include/pstl/glue_algorithm_defs.h: Likewise.
1673 * include/pstl/parallel_backend.h: Likewise.
1674 * include/pstl/glue_numeric_impl.h: Likewise.
1675 * include/pstl/parallel_backend_tbb.h: Likewise.
1676 * include/pstl/numeric_fwd.h: Likewise.
1677 * include/pstl/glue_algorithm_impl.h: Likewise.
1678 * include/pstl/execution_impl.h: Likewise.
1679 * include/pstl/pstl_config.h: Likewise.
1680 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1681 * testsuite/util/pstl/test_utils.h: Likewise.
1682 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1684 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1686 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1688 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
1689 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
1690 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
1691 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
1692 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1694 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
1695 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
1696 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
1697 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
1698 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1700 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
1701 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
1702 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
1703 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
1704 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1706 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
1707 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
1708 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1710 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1712 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
1713 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1714 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1716 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1718 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
1720 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
1722 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
1724 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
1726 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
1728 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
1730 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
1732 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
1734 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
1736 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
1738 Rename header guards to be consistent with upstream project's
1740 * include/pstl/glue_memory_impl.h: Rename all macros of the form
1741 _PSTL_(.*)_H to _PSTL_\U\1_H.
1742 * include/pstl/numeric_impl.h: Likewise.
1743 * include/pstl/glue_memory_defs.h: Likewise.
1744 * include/pstl/execution_defs.h: Likewise.
1745 * include/pstl/utils.h: Likewise.
1746 * include/pstl/algorithm_fwd.h: Likewise.
1747 * include/pstl/unseq_backend_simd.h: Likewise.
1748 * include/pstl/glue_execution_defs.h: Likewise.
1749 * include/pstl/algorithm_impl.h: Likewise.
1750 * include/pstl/parallel_impl.h: Likewise.
1751 * include/pstl/memory_impl.h: Likewise.
1752 * include/pstl/glue_numeric_defs.h: Likewise.
1753 * include/pstl/parallel_backend_utils.h: Likewise.
1754 * include/pstl/glue_algorithm_defs.h: Likewise.
1755 * include/pstl/parallel_backend.h: Likewise.
1756 * include/pstl/glue_numeric_impl.h: Likewise.
1757 * include/pstl/parallel_backend_tbb.h: Likewise.
1758 * include/pstl/numeric_fwd.h: Likewise.
1759 * include/pstl/glue_algorithm_impl.h: Likewise.
1760 * include/pstl/execution_impl.h: Likewise.
1761 * include/pstl/pstl_config.h: Likewise.
1762 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1764 Synchronize libstdc++ parallel algorithms with upstream
1766 * include/pstl/algorithm_fwd.h: Synchronize with
1767 upstream PSTL project.
1768 * include/pstl/algorithm_impl.h: Likewise.
1769 * include/pstl/execution_defs.h: Likewise.
1770 * include/pstl/execution_impl.h: Likewise.
1771 * include/pstl/glue_algorithm_impl.h: Likewise.
1772 * include/pstl/glue_execution_defs.h: Likewise.
1773 * include/pstl/numeric_fwd.h: Likewise.
1774 * include/pstl/numeric_impl.h: Likewise.
1775 * include/pstl/parallel_backend.h: Likewise.
1776 * include/pstl/pstl_config.h: Likewise.
1777 * include/pstl/unseq_backend_simd.h: Likewise.
1778 * include/pstl/parallel_backend_serial.h: New file.
1779 * include/Makefile.am (pstl_headers): Add
1780 parallel_backend_serial.h.
1781 * include/Makefile.in: Regenerate.
1783 Clean up non-conforming names
1784 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
1785 Uglfiy copy_range1 and copy_range2
1786 (__pattern_walk2_n): Rename local n to __n
1787 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
1788 Rename parameter _T to _Tp.
1790 Integrate non-TBB serial backend support
1791 * include/bits/c++config: Adjust TBB detection logic to select serial
1792 PSTL backend if no TBB present.
1793 * testsuite/utils/pstl/test_utils.h: Remove check for
1794 _PSTL_USE_PAR_POLICIES
1796 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
1798 * testsuite/24_iterators/container_access.cc: Move dg-options before
1799 dg-do directive so the target check uses the -std option.
1802 * configure: Regenerate.
1803 * src/Makefile.am (stamp-debug): Also test for missing makefile.
1804 * src/Makefile.in: Regenerate.
1806 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
1808 * include/std/array: Do not include <stdexcept>.
1809 * include/std/optional: Include <exception> and
1810 <bits/exception_defines.h> instead of <stdexcept>.
1811 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
1813 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
1815 * testsuite/23_containers/map/erasure.cc: Include <string>.
1816 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
1818 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
1819 dg-prune-output for different C++98 diagnostic.
1820 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
1822 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
1824 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
1826 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
1828 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
1830 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
1832 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
1834 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
1836 * testsuite/23_containers/vector/requirements/dr438/
1837 constructor_1_neg.cc: Likewise.
1838 * testsuite/23_containers/vector/requirements/dr438/
1839 constructor_2_neg.cc: Likewise.
1840 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
1842 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
1844 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
1845 Do not test allocator rebinding extension for C++2a.
1846 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
1847 dg-do directive for C++17 and C++2a.
1849 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1850 1_c++0x.cc: Remove redundant test.
1851 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1852 2.cc: Use target selector instead of preprocessor condition.
1853 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1854 3.cc: Do not run test for C++2a.
1855 * testsuite/23_containers/forward_list/requirements/
1856 explicit_instantiation/3.cc: Likewise.
1857 * testsuite/23_containers/forward_list/requirements/
1858 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1860 * testsuite/23_containers/list/requirements/explicit_instantiation/
1861 1_c++0x.cc: Remove redundant test.
1862 * testsuite/23_containers/list/requirements/explicit_instantiation/
1863 2.cc: Use target selector instead of preprocessor condition.
1864 * testsuite/23_containers/list/requirements/explicit_instantiation/
1865 3.cc: Do not run test for C++2a.
1866 * testsuite/23_containers/list/requirements/explicit_instantiation/
1867 5.cc: Do not test allocator rebinding extension for C++2a.
1868 * testsuite/23_containers/map/requirements/explicit_instantiation/
1869 1_c++0x.cc: Remove redundant test.
1870 * testsuite/23_containers/map/requirements/explicit_instantiation/
1871 2.cc: Adjust comment.
1872 * testsuite/23_containers/map/requirements/explicit_instantiation/
1873 3.cc: Do not run test for C++2a.
1874 * testsuite/23_containers/map/requirements/explicit_instantiation/
1875 5.cc: Do not test allocator rebinding extension for C++2a.
1876 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1877 1_c++0x.cc: Remove redundant test.
1878 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1879 3.cc: Do not run test for C++2a.
1880 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1881 5.cc: Do not test allocator rebinding extension for C++2a.
1882 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1883 3.cc: Do not run test for C++2a.
1884 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1885 5.cc: Do not test allocator rebinding extension for C++2a.
1886 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
1887 Do not run test for C++2a.
1888 * testsuite/23_containers/set/requirements/explicit_instantiation/
1889 1_c++0x.cc: Remove redundant test.
1890 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
1891 Do not test allocator rebinding extension for C++2a.
1892 * testsuite/23_containers/unordered_map/requirements/
1893 explicit_instantiation/3.cc: Likewise.
1894 * testsuite/23_containers/unordered_map/requirements/
1895 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1897 * testsuite/23_containers/unordered_multimap/requirements/
1898 explicit_instantiation/3.cc: Do not run test for C++2a.
1899 * testsuite/23_containers/unordered_multimap/requirements/
1900 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1902 * testsuite/23_containers/unordered_multiset/requirements/
1903 explicit_instantiation/3.cc: Do not run test for C++2a.
1904 * testsuite/23_containers/unordered_multiset/requirements/
1905 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1907 * testsuite/23_containers/unordered_set/requirements/
1908 explicit_instantiation/3.cc: Do not run test for C++2a.
1909 * testsuite/23_containers/unordered_set/requirements/
1910 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1912 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1913 2.cc: Remove redundant test.
1914 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1915 3.cc: Do not run test for C++2a.
1916 * testsuite/23_containers/vector/requirements/explicit_instantiation/
1919 * include/std/type_traits (is_empty, is_polymorphic, is_final)
1920 (is_abstract, is_aggregate): Remove static_assert.
1921 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
1923 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
1924 missing -std=gnu++17 option.
1925 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
1926 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
1927 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
1930 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
1931 * testsuite/18_support/set_unexpected.cc: Likewise.
1932 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
1934 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
1935 function to be valid in C++11.
1936 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
1937 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
1938 include Library Fundamentals or Networking headers in C++11 mode.
1939 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
1941 * include/std/tuple (_TC): Replace with _TupleConstraints.
1942 (_TupleConstraints): New helper for SFINAE constraints, with more
1943 expressive member functions to reduce duplication when used.
1944 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
1945 (tuple::_TCC): Replace dummy type parameter with bool non-type
1946 parameter that can be used to check the pack size.
1947 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
1948 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
1949 checking constraints in constructors.
1950 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
1952 (tuple::tuple): Use new helpers to reduce repitition in constraints.
1953 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
1954 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
1955 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
1956 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
1957 constraints in constructors.
1958 (tuple::__is_alloc_arg()): New SFINAE helpers.
1959 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
1961 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
1962 * testsuite/20_util/tuple/cons/90700.cc: New test.
1963 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
1964 to meet new constraint on allocator-extended default constructor.
1966 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1968 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
1969 * include/bits/stl_multimap.h (multimap): Likewise.
1971 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
1973 Rename variables and cleanup comments.
1974 * include/bits/hashtable_policy.h
1975 * include/bits/hashtable.h
1977 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1979 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
1980 Fix bgcolor for P0340R3.
1981 * doc/html/*: Regenerate.
1984 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
1985 <experimental/memory_resource>.
1986 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
1987 P0339R6, P0340R3, P1164R1 and P1357R1.
1988 * doc/html/*: Regenerate.
1990 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
1991 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
1992 allocator::value_type assertion for C++2a.
1993 * include/bits/hashtable.h: Likewise.
1994 * include/bits/stl_deque.h: Likewise.
1995 * include/bits/stl_list.h: Likewise.
1996 * include/bits/stl_map.h: Likewise.
1997 * include/bits/stl_multimap.h: Likewise.
1998 * include/bits/stl_multiset.h: Likewise.
1999 * include/bits/stl_set.h: Likewise.
2000 * include/bits/stl_vector.h: Likewise.
2001 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
2002 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
2003 * testsuite/23_containers/list/48101-3_neg.cc: New test.
2004 * testsuite/23_containers/map/48101-3_neg.cc: New test.
2005 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
2006 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
2007 * testsuite/23_containers/set/48101-3_neg.cc: New test.
2008 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
2009 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
2010 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
2011 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
2012 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
2014 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
2016 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
2018 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2020 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
2022 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
2024 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
2026 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2028 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
2031 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
2032 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
2033 * libsupc++/eh_term_handler.h: New header defining
2034 _GLIBCXX_DEFAULT_TERM_HANDLER.
2035 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
2036 (set_terminate): Restore default handler when argument is null.
2037 (set_unexpected): Likewise.
2038 * testsuite/18_support/set_terminate.cc: New test.
2039 * testsuite/18_support/set_unexpected.cc: New test.
2041 * include/backward/hashtable.h (size_t, ptrdiff_t)
2042 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
2043 (distance, vector, pair, __iterator_category): Remove
2044 using-declarations that add these names to namespace __gnu_cxx.
2045 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
2046 * include/ext/debug_allocator.h (size_t): Likewise.
2047 * include/ext/functional (size_t, unary_function, binary_function)
2048 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
2050 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
2051 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
2052 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
2053 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
2054 * include/ext/numeric (iota): Fix outdated comment.
2055 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
2056 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
2057 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
2058 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
2059 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
2061 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
2062 (allocator, __true_type, __false_type): Likewise.
2064 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
2067 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
2068 New helpers for checking preconditions in traits.
2069 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
2070 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
2071 (is_destructible, is_nothrow_destructible, is_constructible)
2072 (is_default_constructible, is_copy_constructible)
2073 (is_move_constructible, is_nothrow_default_constructible)
2074 (is_nothrow_constructible, is_nothrow_copy_constructible)
2075 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
2076 (is_nothrow_assignable, is_nothrow_copy_assignable)
2077 (is_nothrow_move_assignable, is_trivially_constructible)
2078 (is_trivially_copy_constructible, is_trivially_move_constructible)
2079 is_trivially_assignable, is_trivially_copy_assignable)
2080 (is_trivially_move_assignable, is_trivially_destructible)
2081 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
2082 (is_invocable_r, is_nothrow_invocable)
2083 (has_unique_object_representations, is_aggregate): Add static_asserts
2084 to make sure that type traits are not misused with incomplete types.
2085 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
2086 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
2087 base characteristics without assertions that can be reused in other
2089 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
2090 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
2092 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
2093 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
2094 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
2095 * testsuite/20_util/is_class/value.cc: Check incomplete type.
2096 * testsuite/20_util/is_function/value.cc: Likewise.
2097 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
2098 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
2100 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
2101 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
2102 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2103 * testsuite/20_util/is_union/value.cc: Likewise.
2104 * testsuite/20_util/is_void/value.cc: Likewise.
2105 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
2107 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2109 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
2110 Add new private member function.
2111 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
2112 (random_device::_M_init_pretr1(const string&)): Call new private
2113 member with string data.
2114 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
2116 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
2117 test using COW strings.
2118 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
2119 a value from the device.
2120 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
2121 Fix typo in token string.
2123 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
2125 LWG2788 basic_string spurious use of a default constructible allocator
2126 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
2127 (basic_string::_M_replace_dispatch): Construct temporary string with
2128 the current allocator.
2129 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
2130 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
2132 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
2134 * doc/xml/manual/diagnostics.xml: Update list of headers that define
2136 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
2137 section about new/delete overloads. Improve section on verbose
2139 * doc/html/*: Regenerate.
2141 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
2142 P0811R3. Change status of P1353R0.
2143 * doc/html/*: Regenerate.
2145 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
2146 documentation of implementation-defined types for [thread.req.native].
2147 * doc/xml/manual/status_cxx2017.xml: Update documentation of
2148 implementation-defined strings for [variant.bad.access]. Fix typo in
2149 documentation of implementation-defined support for [fs.conform.9945].
2150 * doc/html/*: Regenerate.
2152 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
2155 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
2156 that fails on mingw-w64.
2159 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
2160 (status(const path&, error_code&)): Use parent_path() to remove
2162 (symlink_status(const path&, error_code&)): Duplicate workaround for
2163 bug in _wstat for paths with trailing slash.
2164 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
2165 with trailing slash.
2166 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2167 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2169 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
2170 once instead of building it iteratively.
2172 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
2174 PR libstdc++/85494 use rdseed and rand_s in std::random_device
2175 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
2176 the assembler supports rdseed.
2177 * config.h.in: Regenerate.
2178 * configure: Regenerate.
2179 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
2180 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
2181 * doc/html/*: Regenerate.
2182 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
2183 * include/bits/random.h (random_device::random_device()): Always call
2184 _M_init rather than _M_init_pretr1.
2185 (random_device::random_device(const string&)): Likewise.
2186 (random_device::operator()()): Always call _M_getval().
2187 (random_device::_M_file): Replace first member of union with an
2188 anonymous struct, with _M_file as its first member.
2189 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
2190 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
2191 (USE_MT19937): Define if none of the above are defined.
2192 (USE_POSIX_FILE_IO): Define.
2193 (_M_strtoul): Remove.
2194 [USE_RDSEED] (__x86_rdseed): Define new function.
2195 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
2196 (random_device::_M_init(const string&)): Initialize new union members.
2197 Add support for "rdseed" and "rand_s" tokens. Decide what the
2198 "default" token does according to which USE_* macros are defined.
2199 [USE_POSIX_FILE_IO]: Store a file descriptor.
2200 [USE_MT19937]: Forward to _M_init_pretr1 instead.
2201 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
2202 code from _M_strtoul.
2203 [!USE_MT19937]: Call _M_init, transforming the old default token or
2204 numeric tokens to "default".
2205 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
2206 (random_device::_M_getval()): Use new union members to obtain a
2207 random number from the stored function pointer or file descriptor.
2208 [USE_MT19937]: Obtain a value from the mt19937 engine.
2209 (random_device::_M_getval_pretr1()): Call _M_getval().
2210 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
2212 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
2213 * testsuite/26_numerics/random/random_device/85494.cc: New test.
2215 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
2218 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
2219 _M_split_cmpts() for a path with multiple components.
2220 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
2221 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
2222 components and reserve space in vector. Return early when there is
2224 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
2225 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
2227 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
2228 form of std::equals for C++11 compatibility.
2230 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
2232 * doc/xml/manual/appendix_contributing.xml: Update pointer to
2233 C++ standard at ansi.org.
2235 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
2237 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
2238 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
2241 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
2242 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
2244 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2246 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
2248 * testsuite/20_util/function_objects/invoke/3.cc: New test.
2249 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2250 "compile" test to "run".
2252 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
2253 * doc/html/*: Regenerate.
2254 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
2255 rvalue aliasing constructor.
2256 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
2257 (reinterpret_pointer_cast): Add overloads taking rvalues.
2258 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
2259 Add rvalue aliasing constructor.
2260 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
2261 "run" and check return values as well as types.
2262 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
2263 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
2264 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
2265 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
2268 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
2269 * doc/xml/manual/intro.xml: Likewise.
2270 * include/std/future (__create_task_state): Add default arguments
2271 to make providing an allocator optional.
2272 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
2273 instead of delegating to another constructor.
2274 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
2275 define allocator-extended constructors for C++17 and later.
2276 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
2278 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2279 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2280 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2282 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
2284 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
2285 Don't run the libstdc++/83237 part on simulator targets.
2287 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2289 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
2291 * doc/html/*: Regenerate.
2293 * include/experimental/any (__any_caster): Use RTTI if comparing
2294 addresses fails, to support non-unique addresses in shared libraries.
2295 * include/std/any (__any_caster): Likewise.
2298 * include/experimental/any (__any_caster): Constrain to only be
2299 callable for object types. Use remove_cv_t instead of decay_t.
2300 If the type decays or isn't copy constructible, compare the manager
2301 function to a dummy specialization.
2302 (__any_caster): Add overload constrained for non-object types.
2303 (any::_Manager_internal<_Op>): Add dummy specialization.
2304 * testsuite/experimental/any/misc/any_cast.cc: Test function types
2307 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
2310 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
2311 reversed arguments to uninitialized_copy_n.
2312 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
2313 is unchanged by copy assignment.
2314 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
2315 compare path components.
2318 * include/experimental/memory_resource: Add system header pragma and
2319 do not define anything unless compiled as C++14 or later.
2320 (__resource_adaptor_common::__guaranteed_alignment): Remove.
2321 (__resource_adaptor_imp::do_allocate): If the requested alignment
2322 is a fundamental alignment then either allocate directly from _M_alloc
2323 or call the new _M_allocate function.
2324 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
2325 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
2326 of the allocator rebound to a POD type with the specified alignment.
2327 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
2328 * testsuite/experimental/memory_resource/new_delete_resource.cc:
2329 Adjust expected allocation sizes.
2330 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
2331 xfail for Solaris x86.
2333 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
2335 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
2336 * include/pstl/execution_defs.h (__enable_if_execution_policy):
2337 Use std::__remove_cvref_t when building with GCC.
2339 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
2342 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2343 Use "additional_flags" to pass -ltbb to v3_target_compile command.
2344 Use check_v3_target_prop_cached to cache the result of the test.
2346 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
2348 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2351 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2352 Changed v3_target_compile check from preprocess to executable.
2353 Added "-ltbb" to v3_target_compile flags.
2355 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2357 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2358 Add check for Thread Building Blocks 2018 or later.
2360 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2362 * testsuite/experimental/names.cc: Only include Networking TS headers
2363 on targets with the necessary Gthreads support.
2365 2019-05-20 Marek Polacek <polacek@redhat.com>
2367 CWG 2094 - volatile scalars are trivially copyable.
2369 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
2370 result for volatile int.
2372 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2374 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
2375 * testsuite/experimental/names.cc: Include <experimental/filesystem>
2378 PR c++/90532 Ensure __is_constructible(T[]) is false
2379 * include/std/type_traits (__do_is_default_constructible_impl)
2380 (__is_default_constructible_atom, __is_default_constructible_safe):
2382 (is_default_constructible): Use is_constructible.
2383 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
2384 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
2385 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
2386 * testsuite/20_util/is_trivially_default_constructible/value.cc:
2389 2019-05-20 Pádraig Brady <pbrady@fb.com>
2391 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
2392 to the deallocator with -fsized-deallocation.
2394 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2396 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
2397 test by passing correct alignment to deallocate function.
2399 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
2402 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2403 Raise exception if unique_ptr tuple member has unknown structure.
2404 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
2405 Adjust worker to support new __uniq_ptr_data base class. Do not
2406 assume field called _M_head_impl is the first tuple element.
2408 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2410 * include/bits/stl_deque.h
2411 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
2412 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
2413 (_Deque_base::_Deque_impl_data): New.
2414 (_Deque_base::_Deque_impl): Inherit latter.
2415 (_Deque_base::_Deque_impl::_M_swap_data): Move...
2416 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
2417 (_Deque_base::_Deque_impl()): Add noexcept qualification.
2418 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
2419 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
2420 (deque<>::deque()): Default.
2421 (deque<>::deque(deque&&)): Default.
2422 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
2423 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
2424 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
2425 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
2426 _M_range_initialize.
2427 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
2428 (deque<>::resize(size_type, const value_type&)): Share a single
2430 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
2431 _M_range_insert_aux.
2432 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
2433 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
2434 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
2435 * testsuite/23_containers/deque/allocator/default_init.cc: New.
2437 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
2440 * include/std/variant (holds_alternative, get, get_if): Improve
2441 static assertion messages.
2442 (bad_variant_access::bad_variant_access()): Change default message.
2443 (__throw_bad_variant_access(bool)): New overload.
2444 (get): Use new overload.
2445 (visit, visit<R>): Improve exception message.
2447 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
2448 targets. Add more cases from P0608R3.
2449 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
2451 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
2452 * include/experimental/type_traits (is_detected_exact)
2453 (is_detected_exact_v): Likewise.
2454 * include/pstl/execution_defs.h (is_execution_policy)
2455 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
2456 * include/pstl/execution_impl.h (__policy_traits): Likewise.
2457 * testsuite/17_intro/names.cc: Check for more non-reserved names.
2458 * testsuite/experimental/names.cc: New test.
2461 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
2462 assertions from the destructor.
2463 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
2464 Move static_assert for hash function to here.
2465 (_Hash_table_base::_M_equals): Move static_assert for equality
2467 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
2469 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
2470 the value directly instead of calling _S_value.
2471 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
2472 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
2473 _S_key(_Const_Link_type).
2474 * testsuite/23_containers/set/85965.cc: Check construction,
2475 destruction, assignment and size() do not trigger the assertions.
2476 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
2477 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
2479 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2480 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
2481 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2482 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2483 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2484 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2485 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2487 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
2488 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
2491 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
2493 * doc/html/*: Regenerate.
2494 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
2495 of decay_t (P0777R1).
2497 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2499 Move from state of allocators (LWG2593)
2500 * include/bits/stl_deque.h
2501 (_Deque_base(_Deque_base&&, false_type)): Remove.
2502 (_Deque_base(_Deque_base&&, true_type)): Remove.
2503 (_Deque_base(_Deque_base&&)): Adapt.
2504 (_Deque_base::_M_move_impl()): Remove.
2505 * testsuite/util/testsuite_allocator.h
2506 (propagating_allocator(propagating_allocator&&)): Preserve move from
2508 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
2510 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
2512 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
2513 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
2514 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
2516 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
2518 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
2519 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
2521 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
2523 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
2525 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
2527 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
2529 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
2531 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
2533 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
2536 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
2538 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
2539 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
2541 * include/std/variant (__overload_set): Remove.
2543 (_Build_FUN): New class template to define a single FUN overload,
2544 with specializations to prevent unwanted conversions, as per P0608R3.
2545 (_Build_FUNs): New class template to build an overload set of FUN.
2546 (_FUN_type): New alias template to perform overload resolution.
2547 (__accepted_type): Use integer_constant base for failure case. Use
2548 _FUN_type for successful case.
2549 (variant::__accepted_index): Use _Tp instead of _Tp&&.
2550 (variant::variant(_Tp&&)): Likewise.
2551 (variant::operator=(_Tp&&)): Likewise.
2553 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
2554 Replace raw visitation with a runtime check for the valueless state
2555 and a non-raw visitor.
2556 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
2557 (variant::index()): Remove branch.
2558 (variant::swap(variant&)): Use valueless_by_exception() instead of
2559 comparing the index to variant_npos, and add likelihood attribute.
2561 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
2562 (_Hashtable_base::_Equal_hash_code): Define new class template.
2563 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
2566 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
2567 Replace with _M_get non-static member function.
2568 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
2570 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
2571 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
2573 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
2574 _S_get accessors for members in EBO helpers.
2575 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
2576 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
2578 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
2580 (_Hashtable_base::_M_eq()): Remove non-const overload.
2582 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
2584 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
2586 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2588 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
2591 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2593 * config/os/solaris/solaris2.10: Move to ...
2594 * config/os/solaris: ... this.
2595 * configure.host (os_include_dir): Adapt.
2596 (abi_baseline_pair): Remove Solaris 10 handling.
2597 * config/abi/post/i386-solaris2.10: Remove.
2598 * config/abi/post/sparc-solaris2.10: Remove.
2599 * config/abi/post/i386-solaris2.11: Rename to ...
2600 * config/abi/post/i386-solaris: ... this.
2601 * config/abi/post/sparc-solaris2.11: Rename to ...
2602 * config/abi/post/sparc-solaris: ... this.
2604 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
2607 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
2610 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2612 * include/std/variant (__visit_with_index): Remove typedef.
2613 (__deduce_visit_result): New tag type.
2614 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
2615 visitation of possibly-valueless variants, forwarding to __do_visit
2616 with the relevant tag type.
2617 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
2618 and make lambda return void.
2619 (__variant_construct): Likewise.
2620 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
2621 __raw_idx_visit and make lambda return void.
2622 (_Multi_array::__untag_result): Add metafunction to check the function
2623 pointer type for a tag type that dictates the kind of visitation.
2624 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
2625 Use decltype(auto) instead of tagged function pointer type.
2626 (__gen_vtable_impl): Remove bool non-type parameter and unused
2627 _Variant_tuple parameter.
2628 (__gen_vtable_impl::__visit_invoke_impl): Remove.
2629 (__gen_vtable_impl::__do_visit_invoke): Remove.
2630 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
2631 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
2632 for the visit<R> case, rather than dispatching to separate functions.
2633 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
2635 (variant::swap): Likewise.
2636 (__do_visit): Replace two non-type template parameters with a single
2637 type parameter, so that the caller must specify the visitor's return
2638 type (or one of the tag types).
2639 (visit): Deduce a return type from the visitor and use the
2640 __deduce_visit_result tag to enforce that all overloads return the
2642 (visit<R>): Call __do_visit<R> with explicit result type.
2643 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
2646 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2648 nonesuch is insufficiently useless (lwg2996)
2649 * include/std/type_traits (struct __nonesuch): Added private base
2650 class to make __nonesuch not an aggregate and removed deleted default
2652 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
2653 (operator=(const pair&)): Use __nonesuch instead of
2654 __nonesuch_no_braces.
2655 (operator=(pair&&)): Likewise
2656 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
2657 of __nonesuch_no_braces.
2658 (operator=(tuple&&)): Likewise
2659 * include/experimental/type_traits (struct nonesuch): Added private
2660 base class to make nonesuch not an aggregate and removed deleted
2661 default constructor.
2662 * testsuite/20_util/nonesuch/nonesuch.cc: New.
2663 * testsuite/experimental/type_traits/nonesuch.cc: New.
2665 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2667 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
2668 (_Function_handler): Remove partial specializations for void return
2669 types and pointers to member.
2670 (_Function_handler::_M_manager): Adapt to removal of
2671 _Simple_type_wrapper.
2672 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
2673 * include/std/functional (_Bind_result::__enable_if_void)
2674 (_Bind_result::__disable_if_void): Remove sfinae helpers.
2675 (_Bind_result::__call): Use __invoke_r and remove overloads for void
2677 * include/std/future (__future_base::_Task_state::_M_run)
2678 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
2679 change return type of lambda expressions.
2681 * include/bits/invoke.h (__invoke_r): Define new function implementing
2682 the INVOKE<R> pseudo-function.
2683 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
2684 * testsuite/20_util/function_objects/invoke/2.cc: New test.
2686 * include/std/type_traits (__is_nt_convertible_helper): Define it
2687 unconditionally, not only for C++20.
2688 (__is_nothrow_convertible): Define internal trait for use in C++11.
2689 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
2690 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
2691 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
2692 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
2693 that has nothrow explicit conversion but potentially-throwing implicit
2695 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
2696 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
2697 function to only consider implicit conversions.
2698 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
2700 * include/std/iterator: Include <iosfwd> instead of <istream> and
2703 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
2704 Remove unused, non-standard function.
2706 * include/bits/regex.h (match_results::max_size()): Adjust return
2707 value to account for prefix/suffix/unmatched subs.
2708 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
2709 reset the contained sub matches.
2710 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
2711 function to set result state following a failed match.
2712 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
2713 sub_match states after _M_resize. Use _M_establish_failed_match.
2716 * include/std/thread (thread::_State_impl, thread::_S_make_state):
2717 Replace single _Callable parameter with variadic _Args pack, to
2718 forward them directly to the tuple of decayed copies.
2719 * testsuite/30_threads/thread/cons/69724.cc: New test.
2721 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2723 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
2724 * include/bits/basic_string.h: (operator=(const basic_string&):
2725 Move allocator decision to assign.
2726 (assign(const basic_string&)): Move allocator decision here.
2727 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
2729 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
2732 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2734 * testsuite/util/testsuite_allocator.h (memory_resource)
2735 (default_resource_mgr): Fix indentation.
2737 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
2738 Use operator-> to access raw pointer member.
2739 * testsuite/23_containers/vector/59829.cc: Likewise.
2740 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
2741 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
2742 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
2744 (PointerBase, PointerBase_void): Derive from NullablePointer and use
2745 its constructors and equality operators. Change converting
2746 constructors to use operator-> to access private member of the other
2748 (PointerBase_void::operator->()): Add, for access to private member.
2749 (operator-(PointerBase, PointerBase)): Change to hidden friend.
2750 (operator==(PointerBase, PointerBase)): Remove.
2751 (operator!=(PointerBase, PointerBase)): Remove.
2753 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
2754 not assume field called _M_head_impl is the first tuple element.
2755 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
2756 implementation more accurate.
2757 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
2758 empty pointer type and non-empty deleter.
2760 LWG 2899 - Make is_move_constructible correct for unique_ptr
2761 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
2762 move assignment operator.
2763 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
2764 (__uniq_ptr_data): New class template with conditionally deleted
2766 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
2767 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
2768 constructor and move assignment operator as defaulted.
2769 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
2770 __uniq_ptr_impl::release().
2771 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
2772 to __uniq_ptr_impl::reset(pointer).
2773 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2774 Check for new __uniq_ptr_data type.
2775 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
2777 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2779 PR libstdc++/90454.cc path construction from void*
2780 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
2781 pointers to void are rejected as well as void.
2782 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
2783 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
2785 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
2787 * doc/xml/manual/policy_data_structures.xml: Comment out stray
2788 <remark> elements. Fix formatting of bibliography references.
2790 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
2792 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
2794 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2796 Remove Profile Mode, deprecated since 7.1.0
2797 * doc/Makefile.am: Remove XML file for profile mode docs.
2798 * doc/Makefile.in: Regenerate.
2799 * doc/xml/authors.xml: Remove authors of profile mode docs.
2800 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
2802 * doc/xml/manual/debug.xml: Likewise.
2803 * doc/xml/manual/evolution.xml: Document removal of profile mode.
2804 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
2805 * doc/xml/manual/spine.xml: Remove profile mode author credit.
2806 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
2808 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
2810 * doc/html/*: Regenerate.
2811 * include/Makefile.am: Remove profile mode headers.
2812 * include/Makefile.in: Regenerate.
2813 * include/bits/c++config (std::__profile): Remove namespace.
2814 [_GLIBCXX_PROFILE]: Remove checks for macro.
2815 * include/profile/array: Remove.
2816 * include/profile/base.h: Remove.
2817 * include/profile/bitset: Remove.
2818 * include/profile/deque: Remove.
2819 * include/profile/forward_list: Remove.
2820 * include/profile/impl/profiler.h: Remove.
2821 * include/profile/impl/profiler_algos.h: Remove.
2822 * include/profile/impl/profiler_container_size.h: Remove.
2823 * include/profile/impl/profiler_hash_func.h: Remove.
2824 * include/profile/impl/profiler_hashtable_size.h: Remove.
2825 * include/profile/impl/profiler_list_to_slist.h: Remove.
2826 * include/profile/impl/profiler_list_to_vector.h: Remove.
2827 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
2828 * include/profile/impl/profiler_node.h: Remove.
2829 * include/profile/impl/profiler_state.h: Remove.
2830 * include/profile/impl/profiler_trace.h: Remove.
2831 * include/profile/impl/profiler_vector_size.h: Remove.
2832 * include/profile/impl/profiler_vector_to_list.h: Remove.
2833 * include/profile/iterator_tracker.h: Remove.
2834 * include/profile/list: Remove.
2835 * include/profile/map: Remove.
2836 * include/profile/map.h: Remove.
2837 * include/profile/multimap.h: Remove.
2838 * include/profile/multiset.h: Remove.
2839 * include/profile/ordered_base.h: Remove.
2840 * include/profile/set: Remove.
2841 * include/profile/set.h: Remove.
2842 * include/profile/unordered_base.h: Remove.
2843 * include/profile/unordered_map: Remove.
2844 * include/profile/unordered_set: Remove.
2845 * include/profile/vector: Remove.
2846 * scripts/run_doxygen: Do not process profile mode headers.
2847 * testsuite/23_containers/array/element_access/60497.cc: Don't use
2849 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
2850 Remove dg-skip-if for profile mode.
2851 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
2852 preprocessor check for profile mode.
2853 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
2854 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
2856 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
2858 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
2859 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
2860 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
2861 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
2862 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
2864 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
2866 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
2868 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
2870 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
2871 preprocessor check for profile mode.
2872 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
2874 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
2875 Remove dg-skip-if for profile mode.
2876 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
2877 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
2878 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
2879 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
2880 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
2881 * testsuite/Makefile.am: Remove profile_flags variable and
2882 * testsuite/Makefile.am: Remove profile_flags variable and
2883 check-profile target.
2884 * testsuite/Makefile.in: Regenerate.
2885 * testsuite/ext/profile/all.cc: Remove.
2886 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
2887 * testsuite/ext/profile/profiler_algos.cc: Remove.
2888 * testsuite/ext/profile/replace_new.cc: Remove.
2889 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
2890 preprocessor check for profile mode.
2891 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2892 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
2893 (check_v3_target_normal_mode): Do not check for profile mode macro.
2894 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
2896 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
2897 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
2898 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2899 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
2900 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
2901 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2902 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
2903 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2904 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2905 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
2907 Remove array_allocator extension, deprecated since 4.9.0
2908 * doc/xml/manual/allocator.xml: Remove documentation for
2910 * doc/xml/manual/evolution.xml: Document array_allocator removal.
2911 * doc/xml/manual/using.xml: Remove header from documentation.
2912 * include/Makefile.am: Remove <ext/array_allocator.h> header.
2913 * include/Makefile.in: Regenerate.
2914 * include/ext/array_allocator.h: Remove.
2915 * include/precompiled/extc++.h: Do not include removed header.
2916 * testsuite/ext/array_allocator/1.cc: Remove.
2917 * testsuite/ext/array_allocator/2.cc: Remove.
2918 * testsuite/ext/array_allocator/26875.cc: Remove.
2919 * testsuite/ext/array_allocator/3.cc: Remove.
2920 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
2921 * testsuite/ext/array_allocator/check_delete.cc: Remove.
2922 * testsuite/ext/array_allocator/check_new.cc: Remove.
2923 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
2924 * testsuite/ext/headers.cc: Do not include removed header.
2926 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
2928 * include/bits/stl_bvector.h
2929 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2931 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2933 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2935 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2937 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2939 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2941 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2943 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
2945 (_Bit_iterator::operator-(difference_type)): Likewise.
2946 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
2947 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
2949 (_Bit_const_iterator::operator-(difference_type)): Likewise.
2950 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
2952 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
2955 * testsuite/util/thread/all.h: Do not use remove_pointer for
2956 std::thread::native_handle_type.
2959 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
2960 (_Variant_storage<true, Types...>::_M_reset()))
2961 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
2962 (__get_storage): Likewise.
2963 (variant): Add noexcept to friend declarations for __get and
2967 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
2968 Use _Require for constraints.
2969 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
2971 (__uniq_ptr_hash): New base class with conditionally-disabled call
2973 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
2974 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
2975 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
2977 * include/bits/shared_ptr.h: Improve docs.
2978 * include/bits/shared_ptr_base.h: Likewise.
2979 * include/bits/stl_uninitialized.h: Likewise.
2980 * include/bits/unique_ptr.h: Likewise.
2981 * libsupc++/new: Likewise.
2983 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
2985 * include/bits/stl_deque.h
2986 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2988 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2990 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2992 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2994 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2996 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2998 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
3000 (_Deque_iterator<>::operator-(difference_type)): Likewise.
3002 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
3005 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
3006 (test01): Reserve for number of insertions to avoid rehash during test.
3007 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3009 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
3014 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
3016 * include/experimental/bits/fs_path.h: Improve docs.
3017 * include/experimental/bits/net.h: Fix wrong header name in comment.
3018 Do not document implementation details.
3019 * include/experimental/netfwd: Fix doxygen grouping.
3021 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3023 * include/bits/stl_pair.h: Improve docs.
3024 * include/std/tuple: Likewise.
3026 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
3028 * include/std/chrono: Improve docs.
3029 * include/std/ratio: Do not document implementation details.
3030 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
3032 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
3035 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
3036 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
3037 (__duration_common_type): New helper.
3038 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
3039 __duration_common_type.
3040 (__timepoint_common_type_wrapper): Replace with ...
3041 (__timepoint_common_type): New helper.
3042 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
3043 Use __time_point_common_type.
3044 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
3045 (__common_type_impl): If either argument is transformed by decay,
3046 use the common_type of the decayed types.
3047 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
3048 decayed, use __do_common_type_impl to get the common_type.
3049 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
3050 (__do_member_type_wrapper, __member_type_wrapper)
3051 (__expanded_common_type_wrapper): Remove.
3052 (__common_type_pack, __common_type_fold): New helpers.
3053 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
3054 __member_type_wrapper and __expanded_common_type_wrapper.
3055 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3056 Test zero-length template argument list.
3057 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3058 Test single argument cases and argument types that should decay.
3059 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3060 Adjust expected error.
3061 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
3063 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3064 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3065 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3067 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
3069 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
3071 Make allocator propagation more consistent for
3072 operator+(basic_string) (P1165R1)
3073 * include/bits/basic_string.h
3074 (operator+(basic_string&&, basic_string&&): Changed resulting
3075 allocator to always be the one from the first parameter.
3076 * include/bits/basic_string.tcc
3077 (operator+(const _CharT*, const basic_string&)): Changed
3078 resulting allocator to be SOCCC on the second parameter's allocator.
3079 (operator+(_CharT, const basic_string&)): Likewise.
3080 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
3082 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
3085 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3087 * include/bits/regex.h: Improve docs.
3088 * include/bits/regex.tcc: Do not document implementation details.
3090 * testsuite/19_diagnostics/error_code/hash.cc: New test.
3092 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
3094 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3095 Add type printer for container types in std::__debug namespace.
3096 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
3097 (gdb-tests): Use distinct parameters for the type of test and use of
3099 (gdb-test): Check for regex test even if 'whatis' test.
3100 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
3102 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3103 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3104 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3105 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3106 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3107 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3108 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3110 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
3112 * include/std/system_error (error_category): Fix comment.
3115 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
3116 argument is an empty path.
3117 (absolute(const path&, error_code&)): Use invalid_argument as error
3118 code instead of no_such_file_or_directory.
3119 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
3120 of non-existent paths and empty paths with both overloads of absolute.
3122 * include/std/system_error (error_category, error_code)
3123 (error_condition): Improve docs.
3124 * libsupc++/exception: Add missing @addtogroup Doxygen command.
3125 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
3126 to class documentation. Suppress documentation for implementation
3128 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
3129 Suppress documentation for implementation details.
3131 * include/std/system_error (error_code): Remove friend declaration
3132 for hash<error_code>.
3133 (hash<error_code>::operator()): Use public member functions to access
3135 (hash<error_condition>::operator()): Use address of category, not
3136 its object representation.
3137 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
3138 Use public member functions to access value and category.
3139 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
3141 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
3143 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
3144 * include/bits/hashtable_policy.h
3145 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
3146 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
3147 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
3148 smaller than input value rather than always greater. Preserve
3149 _M_next_resize if called with 0 input. Use __builtin_floorl.
3150 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
3151 elements + number of insertions is greater than _M_next_resize. Start
3152 with 11 buckets if not told otherwise. Use __builtin_floorl.
3153 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
3154 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
3155 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
3156 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
3157 told otherwise. Use __builtin_floorl.
3158 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
3159 to also validate _Power2_rehash_policy.
3160 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
3163 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
3166 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
3170 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
3171 overflow warning with -Wpedantic -Wsystem-headers.
3173 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
3176 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
3177 * include/bits/move.h (swap): Remove extra parentheses.
3179 * include/experimental/bits/lfts_config.h: Improve doc markup.
3180 * include/experimental/optional: Improve docs.
3181 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
3182 (__constexpr_addressof): Remove.
3183 (optional::operator->()): Use std::__addressof().
3184 * include/std/optional (optional::operator->()): Adjust whitespace.
3185 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
3186 that operator-> is still constexpr with overloaded operator&. Change
3187 to compile-only test.
3188 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
3191 * include/bits/shared_ptr.h: Improve docs.
3192 * include/bits/shared_ptr_atomic.h: Likewise.
3193 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
3195 * include/bits/basic_string.h: Fix iterator/index confusion in
3197 * include/bits/range_access.h: Fix Doxygen warnings.
3198 * include/bits/refwrap.h: Do not document implementation details.
3199 (ref, cref): Group docs with reference_wrapper.
3200 * include/std/fstream: Fix Doxygen markup.
3201 * libsupc++/initializer_list (begin, end): Group docs with
3204 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
3206 * include/bits/unique_lock.h: Fix/improve doxygen markup.
3207 * include/std/mutex: Likewise.
3208 * include/std/shared_mutex: Likewise.
3210 * include/bits/fs_dir.h: Fix/improve doxygen markup.
3211 * include/bits/fs_fwd.h: Likewise.
3212 * include/bits/fs_ops.h: Likewise.
3213 * include/bits/fs_path.h: Likewise.
3214 * include/std/filesystem: Likewise.
3216 * include/experimental/bits/net.h: Fix/improve doxygen markup.
3217 * include/experimental/buffer: Likewise.
3218 * include/experimental/executor: Likewise.
3219 * include/experimental/internet: Likewise.
3220 * include/experimental/io_context: Likewise.
3221 * include/experimental/net: Likewise.
3222 * include/experimental/netfwd: Likewise.
3223 * include/experimental/socket: Likewise.
3224 * include/experimental/timer: Likewise.
3226 * doc/doxygen/doxygroups.cc: Move description of experimental group
3228 * include/experimental/algorithm: Add to libfund-ts doc group.
3229 * include/experimental/any: Likewise. Do not document implementation
3231 * include/experimental/array: Add to libfund-ts doc group.
3232 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
3233 for Library Fundamentals.
3234 * include/experimental/chrono: Add to libfund-ts doc group.
3235 * include/experimental/deque: Likewise.
3236 * include/experimental/forward_list: Likewise.
3237 * include/experimental/functional: Likewise.
3238 * include/experimental/iterator: Likewise.
3239 * include/experimental/list: Likewise.
3240 * include/experimental/map: Likewise.
3241 * include/experimental/memory: Likewise.
3242 * include/experimental/memory_resource: Likewise. Improve docs.
3244 * include/experimental/numeric: Add to libfund-ts doc group.
3245 * include/experimental/optional: Likewise.
3246 * include/experimental/propagate_const: Likewise.
3247 * include/experimental/random: Likewise.
3248 * include/experimental/ratio: Likewise.
3249 * include/experimental/regex: Likewise.
3250 * include/experimental/set: Likewise.
3251 * include/experimental/source_location: Likewise.
3252 * include/experimental/string: Likewise.
3253 * include/experimental/string_view: Likewise.
3254 * include/experimental/system_error: Likewise.
3255 * include/experimental/tuple: Likewise.
3256 * include/experimental/type_traits: Likewise.
3257 * include/experimental/unordered_map: Likewise.
3258 * include/experimental/unordered_set: Likewise.
3259 * include/experimental/utility: Likewise.
3260 * include/experimental/vector: Likewise.
3261 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
3262 * testsuite/experimental/array/neg.cc: Adjust dg-error.
3263 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
3265 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
3266 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
3267 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
3268 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
3269 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
3271 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
3272 * include/experimental/bits/fs_fwd.h: Improve docs.
3273 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
3274 * include/experimental/bits/fs_path.h: Likewise.
3275 (path, filesystem_error, u8path): Improve docs.
3276 * include/experimental/filesystem: Link to docs for TS.
3278 * config/allocator/new_allocator_base.h (__allocator_base): Add
3279 workaround for Doxygen bug #6945.
3280 * include/std/memory: Improve docs. Define group for pointer safety.
3281 * include/std/scoped_allocator: Improve docs. Use "undocumented"
3282 conditional to suppress documentation for implementation details.
3284 * include/bits/specfun.h: Improve docs.
3285 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
3288 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
3289 (std::experimental): Add docs.
3290 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
3291 namespace to nothing when generating docs.
3292 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
3293 * include/std/chrono (std::chrono): Likewise.
3294 * include/std/functional (std::placeholders): Likewise.
3295 * include/std/thread (std::this_thread): Likewise.
3297 * include/parallel/settings.h: Fix Doxygen markup.
3299 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
3300 anything unless PB_DS_CLASS_C_DEC is defined.
3301 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
3302 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
3303 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
3304 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
3305 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
3306 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
3307 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
3309 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
3310 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
3311 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
3312 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
3313 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
3314 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
3315 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
3316 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
3317 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
3318 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
3319 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
3321 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
3322 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
3324 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
3327 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
3328 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
3329 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
3332 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3334 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
3335 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
3336 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
3337 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
3338 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
3339 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3341 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
3342 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3345 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
3348 * include/std/complex (__complex_proj): Return parameter unchanged.
3349 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
3350 floating-point types to take std::complex arguments.
3351 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
3352 floating-point types.
3353 * testsuite/26_numerics/complex/proj.cc: New test.
3355 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3357 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
3358 to _Lock_policyE[012].
3359 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3361 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
3363 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
3364 macros accidentally left in.
3365 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
3366 unnecessary -lstdc++fs option. Fix test for mingw.
3367 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3370 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3372 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3374 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
3376 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
3378 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
3379 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
3382 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
3384 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
3387 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
3388 class template and partial specialization.
3391 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
3393 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
3394 functions to convert a value to an integral type.
3395 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
3396 (fill_n): Convert _Size parameter to an integral type.
3397 * testsuite/25_algorithms/fill_n/87982.cc: New test.
3398 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
3399 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
3400 * testsuite/25_algorithms/generate_n/87982.cc: New test.
3401 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
3402 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
3404 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
3406 Adding noexcept-specification on tuple constructors (LWG 2899)
3407 * libstdc++-v3/include/std/tuple:
3408 (tuple()): Add noexcept-specification.
3409 (tuple(const _Elements&...)): Likewise
3410 (tuple(_UElements&&...)): Likewise
3411 (tuple(const tuple<_UElements...>&)): Likewise
3412 (tuple(tuple<_UElements...>&&)): Likewise
3413 (tuple(const _T1&, const _T2&)): Likewise
3414 (tuple(_U1&&, _U2&&)): Likewise
3415 (tuple(const tuple<_U1, _U2>&): Likewise
3416 (tuple(tuple<_U1, _U2>&&): Likewise
3417 (tuple(const pair<_U1, _U2>&): Likewise
3418 (tuple(pair<_U1, _U2>&&): Likewise
3419 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
3421 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
3424 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
3425 arguments with __restrict.
3427 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
3429 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3431 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
3433 * include/experimental/bits/fs_path.h
3434 (path::_S_convert_loc<_InputIterator>): Create const std::string to
3435 avoid redundant call to _S_convert_loc with non-const pointers.
3437 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
3438 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
3439 * testsuite/21_strings/basic_string/hash/hash.cc
3440 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
3441 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
3442 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
3444 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
3445 wstring::_M_replace_dispatch with more specific patterns.
3446 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
3447 Create const std::string to avoid redundant call to _S_convert_loc
3448 with non-const pointers.
3449 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
3450 avoid unnecessary basic_string::assign instantiations.
3452 * include/std/memory (__uses_alloc_args): Add string-literal to
3453 static_assert, to match the one in __uses_alloc.
3454 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
3455 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
3456 for recursive uses-allocator construction of nested pairs.
3457 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
3460 2019-04-26 Jakub Jelinek <jakub@redhat.com>
3462 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3463 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3464 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
3465 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
3467 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3468 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3469 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
3470 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3471 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3472 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3473 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3475 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
3478 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
3479 * include/std/scoped_allocator [__cplusplus > 201703L]
3480 (scoped_allocator_adaptor::construct): Define in terms of
3481 uses_allocator_construction_args, as per P0591R4.
3482 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
3483 * testsuite/util/testsuite_allocator.h: Remove name of unused
3486 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
3488 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
3489 * doc/html/*: Regenerate.
3491 * include/bits/fs_path.h (operator<, operator<=, operator>)
3492 (operator>=, operator==, operator!=): Make hidden friends, as per
3494 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
3495 string type in test.
3496 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3498 * include/std/any (any::any(ValueType&&)): Use __and_v.
3499 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
3502 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
3504 * include/std/type_traits (__result_of_memfun): Use remove_reference
3505 instead of __remove_cvref_t and remove redundant is_same check.
3506 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
3508 * include/experimental/string_view (basic_string_view::pointer)
3509 (basic_string_view::reference): Fix to refer to non-const value_type.
3510 * include/bits/basic_string.h (basic_string): Use __sv_check and
3511 __sv_limit instead of basic_string_view::_M_check and
3512 basic_string_view::_M_limit.
3513 * include/std/string_view (__sv_check, __sv_limit): New
3514 helper functions to replace basic_string_view::_M_check and
3515 basic_string_view::_M_limit.
3516 (basic_string_view): Add static assertions to enforce ill-formed
3517 requirement for traits_type::char_type from P1148R0, and to enforce
3518 required properties of char-like types.
3519 (basic_string_view::pointer, basic_string_view::reference): Fix to
3520 refer to non-const value_type.
3521 (basic_string_view::operator[], basic_string_view::at)
3522 (basic_string_view::front, basic_string_view::back)
3523 (basic_string_view::data): Use const_reference and const_pointer
3524 typedefs for return types.
3525 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
3526 (hash<wstring_view>): Fix argument_type typedef.
3527 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3528 char/1.cc: Fix expected return type of basic_string_view::data().
3529 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3530 wchar_t/1.cc: Likewise.
3531 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3532 char/1.cc: Likewise.
3533 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3534 wchar_t/1.cc: Likewise.
3535 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
3537 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
3538 Check reference and pointer typedefs.
3539 * testsuite/experimental/string_view/requirements/typedefs.cc:
3541 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
3542 Fix expected return type of basic_string_view::data().
3543 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
3545 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
3547 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
3551 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
3552 Avoid a runtime check for types that can never be stored in std::any.
3553 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3556 PR libstdc++/90220 (partial)
3557 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
3558 not attempt ill-formed static_cast to pointers to non-object types.
3559 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3562 * testsuite/20_util/variant/run.cc: Catch exception by reference to
3563 prevent -Wcatch-value warning.
3565 * include/std/variant (__variant_construct): Use template parameter
3566 type instead of equivalent decltype-specifier.
3567 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
3568 Replace forward with move.
3569 (_Move_ctor_base<false, Types...>::_M_destructive_move)
3570 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
3571 (_Move_ctor_base<true, Types...>::_M_destructive_move)
3572 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
3573 index after construction succeeds.
3574 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
3575 if-constexpr checks that are always true. Use __remove_cvref_t instead
3576 of remove_reference so that is_nothrow_move_constructible check
3577 doesn't use a const rvalue parameter. In the potentially-throwing case
3578 construct a temporary and move assign it, as per LWG 2904.
3579 (_Move_assign_base<false, Types...>::operator=): Remove redundant
3580 if-constexpr checks that are always true. Use emplace as per LWG 2904.
3581 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
3582 construct a temporary and move assign from it, as per LWG 2904.
3583 * testsuite/20_util/variant/exception_safety.cc: Check that
3584 assignment operators have strong exception safety guarantee.
3586 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
3588 Document PSTL linker flags
3590 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
3592 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3594 * include/std/variant (__detail::__variant::_Traits): Make
3595 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
3596 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
3598 (__detail::__variant::_Copy_assign_alias): Only depend on
3599 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
3600 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
3601 move assignment operators.
3604 * include/std/variant (variant::__not_self): New helper for the
3605 is_same_v<remove_cvref_t<T>, variant>==false constraints.
3606 (variant::__to_type_impl): Remove.
3607 (variant::__to_type): Add default argument to check pack size, instead
3608 of using __to_type_impl.
3609 (variant::__accepted_type): Add default argument using __not_self.
3610 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
3611 for variant(T&&) constructor constraint.
3612 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
3613 Extract __accepted_type into a named template parameter for reuse in
3614 other constraints and in the exception specification.
3615 (variant::variant(in_place_type_t<T>, Args&&...))
3616 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
3617 (variant::variant(in_place_index_t<T>, Args&&...))
3618 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
3619 (variant::operator=T&&)): Remove redundant && from trait arguments.
3620 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
3621 isn't used for in_place_type or in_place_index arguments.
3623 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
3624 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
3625 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
3627 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3628 Bernd Edlinger <bernd.edlinger@hotmail.de>
3629 Jakub Jelinek <jakub@redhat.com>
3632 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
3633 general-regs-only target attribute for ARM.
3635 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3638 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
3639 specialization also depend on is_nothrow_move_constructible.
3640 * include/std/variant (__detail::__variant::__never_valueless()):
3641 Only true if the variant would have a move assignment operator.
3642 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
3643 Check __never_valueless<T...>().
3644 (variant::emplace): Only perform non-throwing move assignments
3645 for never-valueless alternatives if the variant has a move assignment
3647 * testsuite/20_util/variant/compile.cc: Check that never-valueless
3648 types can be emplaced into non-assignable variants.
3649 * testsuite/20_util/variant/run.cc: Check that never-valueless types
3650 don't get copied when emplaced into non-assignable variants.
3652 * include/std/variant (__detail::__variant::__ref_cast): Remove
3654 (__detail::__variant::_Uninitialized::_M_get)
3655 (__detail::__variant::__get)
3656 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
3658 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
3660 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
3662 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
3663 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
3664 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
3665 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
3667 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3669 Delegate PSTL configuration to pstl/pstl_config.h
3671 * include/bits/c++config: Remove explicit PSTL configuration
3672 macros and use definitions from <pstl/pstl_config.h>.
3674 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3676 Cleanup algorithm implementations
3677 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
3679 (mismatch): Forward execution policy.
3680 (equal): Qualify call to std::equal().
3681 (partial_sort): Forward execution policy.
3682 (inplace_merge): Forward execution policy.
3684 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
3686 Improve implementation of parallel equal()
3687 * include/pstl/algorithm_impl.h
3688 (__internal::__brick_equal): use "4 iterator" version of
3690 (__internal::__brick_equal): use simd for random access
3691 iterators on unsequenced execution policies.
3692 (__internal::__pattern_equal): add "4 iterator" version
3693 (__internal::__pattern_equal): dispatch to simd __brick_equal
3694 for vector-only execution policies.
3695 (__internal::__pattern_equal): dispatch to __parallel_or for
3696 parallel execution policies.
3697 * include/pstl/glue_algorithm_impl.h
3698 (std::equal): dispatch to "4 iterator" version of
3699 __internal::__pattern_equal().
3701 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
3704 * include/bits/forward_list.h (operator==): Do not use operator!= to
3706 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
3707 earlier in the list, so that sort is stable.
3708 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
3709 * testsuite/23_containers/forward_list/comparable.cc: Test with
3710 types that meet the minimum EqualityComparable and LessThanComparable
3711 requirements. Remove irrelevant comment.
3713 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
3714 Do not depend on whether all alternative types are move constructible.
3715 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
3716 from the operand when deciding whether to perform the assignment.
3717 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
3718 with deleted move constructor and deleted move assignment operator.
3719 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
3720 behaviour of variants with DeletedMoves as an alternative.
3721 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
3722 (move_ctor, move_assign): Check that moving a variant with a
3723 DeletedMoves alternative falls back to copying instead of moving.
3725 * testsuite/20_util/variant/compile.cc: Remove empty string literals
3726 from static_assert declarations.
3728 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
3729 actually match its name.
3730 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
3731 (test_swap()): Fix result for MoveCtorOnly and check
3732 MoveCtorAndSwapOnly.
3734 * include/std/optional (optional::value_or(U&&) &&): Add missing
3735 constexpr specifier.
3736 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
3737 for disengaged optionals and rvalue optionals.
3738 * testsuite/20_util/optional/observers/4.cc: Likewise.
3740 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
3742 * include/pstl/algorithm_impl.h: Uglify identfiers.
3743 * include/pstl/numeric_impl.h: Uglify identfiers.
3744 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
3746 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
3748 * include/bits/c++config:
3749 Add definition for __PSTL_ASSERT.
3750 Add definition for __PSTL_ASSERT_MSG.
3751 * include/pstl/algorithm_impl.h: Replace use of assert().
3752 * include/pstl/numeric_impl.h: Replace use of assert().
3753 * include/pstl/parallel_backend_tbb.h:
3754 Replace use of assert().
3755 Replace use of __TBB_ASSERT().
3756 * include/pstl/parallel_backend_utils.h: Replace use of assert().
3758 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
3761 * src/c++17/memory_resource.cc
3762 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
3763 needed to allow placing a _Chunk at the end of the buffer.
3764 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
3766 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
3768 * doc/xml/faq.xml: Add information about emergency EH pool.
3769 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
3770 Move outdated information on mt_allocator to a separate section.
3771 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
3772 doesn't affect the default allocator.
3774 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
3778 * testsuite/20_util/variant/89851.cc: New test.
3780 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
3782 * include/std/variant: Adjust whitespace. Add comments.
3783 (_Multi_array): Leave primary template undefined.
3784 (_Multi_array<_Tp>): Define partial specialization for base case of
3786 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
3787 which is always a reference.
3788 (__gen_vtable::_S_apply()): Remove function, inline body into
3789 default member initializer.
3790 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
3792 * include/std/variant (__variant_idx_cookie): Add member type.
3793 (__visitor_result_type): Remove.
3794 (__do_visit): Use invoke_result instead of __visitor_result_type.
3795 * testsuite/20_util/variant/visit.cc: New test.
3798 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
3800 * testsuite/20_util/variant/90008.cc: New test.
3802 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
3804 * include/pstl/algorithm_impl.h: Add namespace qualification.
3805 * include/pstl/execution_defs.h: Add namespace qualification.
3806 * include/pstl/execution_impl.h: Add namespace qualification.
3807 * include/pstl/numeric_impl.h: Add namespace qualification.
3808 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
3809 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
3810 * include/pstl/parallel_backend_utils.h: Include <cassert>.
3812 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
3814 Fix visit<R> for variant.
3815 * include/std/variant (__do_visit): Add a template parameter
3816 for enforcing same return types for visit.
3817 (__gen_vtable_impl): Likewise.
3818 (_S_apply_single_alt): Adjust.
3819 (__visit_invoke_impl): New. Handle casting to void.
3820 (__do_visit_invoke): New. Enforces same return types.
3821 (__do_visit_invoke_r): New. Converts return types.
3822 (__visit_invoke): Adjust.
3823 (__gen_vtable): Add a template parameter for enforcing
3824 same return types for visit.
3825 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
3826 different return types.
3827 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
3828 visitors with different return types don't accidentally
3829 compile with regular visitation.
3831 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
3833 * testsuite/27_io/filesystem/iterators/caching.cc: Add
3834 dg-require-filesystem-ts.
3836 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
3838 * doc/xml/manual/status_cxx2020.xml: Update status.
3839 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
3840 * testsuite/20_util/variant/visit_r.cc: New test.
3842 * include/bits/fs_dir.h (directory_iterator::operator*)
3843 (directory_iterator::operator->): Add noexcept.
3844 (operator==, operator!=): Replace namespace-scope equality operators
3845 for directory iterators with hidden friends.
3848 * config/abi/pre/gnu.ver: Add missing exports.
3849 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
3852 * config/abi/pre/gnu.ver: Export new symbols.
3853 * include/bits/fs_dir.h (recursive_directory_iterator::options())
3854 (recursive_directory_iterator::recursion_pending())
3855 (recursive_directory_iterator::disable_recursion_pending()): Remove
3856 inline definitions. Make noexcept.
3857 (recursive_directory_iterator::depth())
3858 (recursive_directory_iterator::operator*())
3859 (recursive_directory_iterator::operator->()): Make noexcept.
3860 (recursive_directory_iterator::_M_options)
3861 (recursive_directory_iterator::_M_pending): Remove data members.
3862 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
3863 (recursive_directory_iterator::recursive_directory_iterator): Remove
3864 ctor-initializer. Use new constructor for _Dir_stack.
3865 (recursive_directory_iterator::options())
3866 (recursive_directory_iterator::recursion_pending())
3867 (recursive_directory_iterator::disable_recursion_pending()): Add
3868 non-inline definitions.
3869 (recursive_directory_iterator::depth()): Make noexcept.
3870 (recursive_directory_iterator::increment(error_code&))
3871 (recursive_directory_iterator::pop(error_code&)): Adjust to new
3872 location of options and recursion_pending members.
3873 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
3874 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
3875 user-declared move constructor and assignment operator, to make the
3878 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
3879 d_type == DT_UNKNOWN immediately.
3880 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
3882 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
3884 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
3886 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
3887 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
3890 PR libstdc++/87431 (again)
3891 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
3892 Define partial specialization for basic_string.
3893 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
3894 shared_ptr and weak_ptr.
3895 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
3897 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
3899 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
3901 * include/debug/vector (_Never_valueless_alt): Likewise for debug
3903 * include/std/any (_Never_valueless_alt): Define explicit
3904 specialization for any.
3905 * include/std/variant (_Never_valueless_alt): Define primary template.
3906 (__never_valueless): Use _Never_valueless_alt instead of
3907 is_trivially_copyable.
3908 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
3909 initializations to avoid try-catch overhead. Add special case for
3910 scalars produced by potentially-throwing conversions. Use
3911 _Never_valueless_alt instead of is_trivially_copyable for the
3912 remaining strong exception-safety cases.
3913 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
3914 * testsuite/20_util/variant/87431.cc: Run both test functions.
3915 * testsuite/20_util/variant/exception_safety.cc: New test.
3916 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
3917 so the variant becomes valueless.
3919 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
3922 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
3924 (variant::emplace<_Tp>): Return result of emplace<N> directly.
3926 * include/std/string (__hash_string_base): New class template defining
3927 operator() for hashing strings.
3928 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
3929 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
3930 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
3931 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
3933 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
3935 Use single-visitation in variant assignment and swap and relops.
3936 Also use indices instead of types when checking whether
3937 variants hold the same thing.
3938 * include/std/variant (__do_visit): Add a template parameter
3939 for index visitation, invoke with indices if index visitation
3941 (__variant_idx_cookie): New.
3942 (__visit_with_index): Likewise.
3943 (_Copy_assign_base::operator=): Do single-visitation with
3945 (_Move_assign_base::operator=): Likewise.
3946 (_Extra_visit_slot_needed): Adjust.
3947 (__visit_invoke): Call with indices if it's an index visitor.
3948 (relops): Do single-visitation with an index visitor.
3950 (__visitor_result_type): New.
3952 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
3954 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
3956 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
3958 Don't revisit a variant we are already visiting.
3959 * include/std/variant (__variant_construct_single): New.
3960 (__variant_construct): Use it.
3961 (_M_destructive_move): Likewise.
3962 (_M_destructive_copy): Likewise.
3963 (_Copy_assign_base::operator=): Adjust.
3964 (_Move_assign_base::operator=): Likewise.
3967 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
3970 * include/bits/hashtable.h (_Hashtable): Move static assertions to
3971 destructor so they are not evaluated until the _Key type is complete.
3972 * include/bits/stl_tree.h (_Rb_tree): Likewise.
3973 * testsuite/23_containers/set/85965.cc: New test.
3974 * testsuite/23_containers/unordered_set/85965.cc: New test.
3975 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
3976 with regexp matching the corresponding _Rb_tree specialization.
3977 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
3978 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
3979 * testsuite/23_containers/set/48101_neg.cc: Likewise.
3980 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
3981 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
3982 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
3983 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
3985 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3988 Fix based on a suggestion by Antony Polukhin.
3989 * include/std/variant (__never_valueless): New.
3991 (_Extra_visit_slot_needed): New.
3992 (_Multi_array): Use it.
3993 (_S_apply_all_alts): Likewise.
3995 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3998 Fix based on a suggestion by Antony Polukhin.
3999 * include/std/variant (__gen_vtable): Don't reserve an
4000 additional table slot, _Multi_array already does that.
4002 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
4005 Fix based on a suggestion by Antony Polukhin.
4006 * include/std/variant (__variant_construct): Capture a pointer
4007 to the storage and visit just one variant.
4009 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
4011 * doc/xml/manual/backwards_compatibility.xml: Remove link to
4012 Doxygen-generated pages with unstable URL.
4013 * doc/xml/manual/concurrency_extensions.xml: Likewise.
4014 * doc/xml/manual/extensions.xml: Likewise.
4015 * doc/xml/manual/parallel_mode.xml: Likewise.
4016 * doc/xml/manual/support.xml: Likewise.
4018 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
4019 avoid -Wconversion warnings.
4021 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
4023 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
4024 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
4025 (allstamped): Add stamp-pstl.
4026 (install-headers): Add ptsl_builddir.
4027 * include/Makefile.in: Regenerate.
4028 * include/bits/c++config: Add pstl configuration.
4029 * include/pstl/LICENSE.txt: New file.
4030 * include/pstl/algorithm_fwd.h: New file.
4031 * include/pstl/algorithm_impl.h: New file.
4032 * include/pstl/execution_defs.h: New file.
4033 * include/pstl/execution_impl.h: New file.
4034 * include/pstl/glue_algorithm_defs.h: New file.
4035 * include/pstl/glue_algorithm_impl.h: New file.
4036 * include/pstl/glue_execution_defs.h: New file.
4037 * include/pstl/glue_memory_defs.h: New file.
4038 * include/pstl/glue_memory_impl.h: New file.
4039 * include/pstl/glue_numeric_defs.h: New file.
4040 * include/pstl/glue_numeric_impl.h: New file.
4041 * include/pstl/memory_impl.h: New file.
4042 * include/pstl/numeric_fwd.h: New file.
4043 * include/pstl/numeric_impl.h: New file.
4044 * include/pstl/parallel_backend.h: New file.
4045 * include/pstl/parallel_backend_tbb.h: New file.
4046 * include/pstl/parallel_backend_utils.h: New file.
4047 * include/pstl/parallel_impl.h: New file.
4048 * include/pstl/pstl_config.h: New file.
4049 * include/pstl/unseq_backend_simd.h: New file.
4050 * include/pstl/utils.h: New file.
4051 * include/std/algorithm: Include parallel algorithm implementations.
4052 * include/std/execution: New file.
4053 * include/std/memory: Include parallel algorithm implementations.
4054 * include/std/numeric: Include parallel algorithm implementations.
4055 * include/std/version: Add parallel algorithms feature test macro.
4056 * testsuite/util/pstl/pstl_test_config.h: New file.
4057 * testsuite/util/pstl/test_utils.h: New file.
4058 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4059 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4060 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4061 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4062 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4063 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4064 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4065 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4066 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4067 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4068 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4069 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4070 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4071 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4072 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4073 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4074 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4075 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4076 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4077 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4078 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4079 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4080 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4081 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4082 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4083 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4084 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4085 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4086 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4087 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4088 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4089 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4090 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4091 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4092 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4093 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4094 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4095 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4096 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4097 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4098 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4099 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4100 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4101 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4102 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4103 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4104 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4105 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4106 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4107 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4108 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4109 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4110 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4111 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4112 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4113 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4114 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4115 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4116 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4117 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4118 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4119 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4120 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4121 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4122 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4123 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4124 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4125 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4126 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4127 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4128 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4129 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4130 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4131 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4132 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4133 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4134 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4135 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4136 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4137 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4138 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4139 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4140 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4141 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4142 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4143 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4144 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4145 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4146 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4147 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4148 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4149 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4150 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4151 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4152 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4153 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4154 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4155 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4156 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4157 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4158 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4159 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4160 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4161 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4162 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4163 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4165 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
4167 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
4168 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
4169 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
4170 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
4171 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
4172 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
4173 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
4174 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
4175 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
4176 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
4177 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
4178 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
4179 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
4180 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
4181 when the special functions IS is enabled, not for C++17.
4182 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
4184 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
4185 without checks for special functions in C++17.
4186 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
4190 * include/backward/hash_map: Use <> for includes not "".
4191 * include/backward/hash_set: Likewise.
4192 * include/backward/strstream: Likewise.
4193 * include/tr1/bessel_function.tcc: Likewise.
4194 * include/tr1/exp_integral.tcc: Likewise.
4195 * include/tr1/legendre_function.tcc: Likewise.
4196 * include/tr1/modified_bessel_func.tcc: Likewise.
4197 * include/tr1/riemann_zeta.tcc: Likewise.
4199 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
4201 * doc/xml/manual/allocator.xml: Link to table documenting evolution
4202 of extension allocators.
4203 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
4204 Document new headers in 7.2, 8.1 and 9.1 releases.
4205 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
4206 * doc/html/*: Regenerate.
4208 2019-03-12 John David Anglin <dave.anglin@bell.net>
4211 * testsuite/lib/libstdc++.exp: Locate libatomic.
4212 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
4213 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
4215 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
4216 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
4217 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
4218 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
4220 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
4223 * configure.ac: Check for sockatmark.
4224 * crossconfig.m4: Check for sockatmark.
4225 * config.h.in: Regenerate.
4226 * configure: Regenerate.
4227 * include/experimental/internet (address_v4::_S_hton): Rename
4228 overloaded functions to _S_hton_16 and _S_ntoh_16.
4229 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
4230 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
4231 * include/experimental/socket (basic_socket::at_mark): Check
4232 _GLIBCXX_HAVE_SOCKATMARK.
4234 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
4235 const variables instead of macros.
4238 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
4239 Use correct type for len_aligned.
4240 * testsuite/20_util/hash/89629.cc: New test.
4242 2019-03-11 Jakub Jelinek <jakub@redhat.com>
4245 * include/std/atomic (atomic<T>::store, atomic<T>::load,
4246 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
4247 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
4248 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
4249 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
4250 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
4251 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
4252 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
4253 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
4254 memory_order_seq_cst to int.
4256 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
4258 * doc/xml/manual/using.xml: Use link element instead of xref.
4259 * doc/html/*: Regenerate.
4261 * include/bits/fs_path.h (path::format): Add fixed underlying type.
4263 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
4266 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
4267 parameters in deduction guides.
4268 * include/debug/multimap.h (multimap): Likewise.
4269 * include/debug/set.h (multimap): Likewise.
4270 * include/debug/multiset.h (multimap): Likewise.
4271 * include/debug/unordered_map (unordered_map): Likewise.
4272 (unordered_multimap): Likewise.
4273 * include/debug/unordered_set (unordered_set): Likewise.
4274 (unordered_multiset): Likewise.
4277 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
4278 Invalidate all iterators in case of rehash.
4279 (unordered_multimap<>::_M_check_rehashed): Likewise.
4280 * include/debug/unordered_set
4281 (unordered_set<>::_M_check_rehashed): Likewise.
4282 (unordered_multiset<>::_M_check_rehashed): Likewise.
4283 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
4285 2019-03-07 Andreas Schwab <schwab@suse.de>
4287 * config/abi/post/riscv64-linux-gnu: New directory.
4288 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
4290 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
4292 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
4293 compile test to run. Fix typo.
4295 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
4296 * doc/html/*: Regenerate.
4298 P0356R5 Simplified partial function application
4299 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
4300 helpers for bind_front.
4301 (bind_front, __cpp_lib_bind_front): Define.
4302 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
4304 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4306 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
4307 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
4308 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
4309 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
4311 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
4313 PR libstdc++/86655 - std::assoc_legendre should not constrain
4314 the value of m (or x).
4315 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
4316 __sph_legendre): If degree > order Don't throw, return 0.
4317 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
4318 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
4319 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
4320 * testsuite/tr1/5_numerical_facilities/special_functions/
4321 02_assoc_legendre/pr86655.cc: New test.
4322 * testsuite/tr1/5_numerical_facilities/special_functions/
4323 22_sph_legendre/pr86655.cc: New test.
4325 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
4328 Also PR libstdc++/85517
4329 * include/std/variant (__do_visit): New.
4330 (__variant_cast): Likewise.
4331 (__variant_cookie): Likewise.
4332 (__erased_*): Remove.
4333 (_Variant_storage::_S_vtable): Likewise.
4334 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
4335 (_Variant_storage::__M_reset): Adjust.
4336 (__variant_construct): New.
4337 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
4338 __variant_construct.
4339 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
4340 (_Move_ctor_base::__M_destructive_copy): New.
4341 (_Move_ctor_base::__M_destructive_move): Adjust to use
4342 __variant_construct.
4343 (_Copy_assign_base::operator=): Adjust to use __do_visit.
4344 (_Copy_assign_alias): Adjust to check both copy assignment
4345 and copy construction for triviality.
4346 (_Move_assign_base::operator=): Adjust to use __do_visit.
4347 (_Multi_array): Add support for visitors that accept and return
4349 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
4350 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
4351 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
4352 a __variant_cookie temporary for a variant that is valueless and..
4353 (__gen_vtable_impl::__visit_invoke): ..adjust here.
4354 (__gen_vtable::_Array_type): Conditionally make space for
4355 the __variant_cookie visitor case.
4356 (__variant_construct_by_index): New.
4357 (get_if): Adjust to use std::addressof.
4358 (relops): Adjust to use __do_visit.
4359 (variant): Add __variant_cast and __variant_construct_by_index
4361 (variant::emplace): Use _M_reset() and __variant_construct_by_index
4362 instead of self-destruction.
4363 (variant::swap): Adjust to use __do_visit.
4364 (visit): Reimplement in terms of __do_visit.
4365 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
4366 * testsuite/20_util/variant/compile.cc: Adjust.
4367 * testsuite/20_util/variant/run.cc: Likewise.
4369 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4371 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
4373 * testsuite/experimental/feat-char8_t.cc: Likewise.
4375 * include/std/type_traits [C++20] (is_bounded_array)
4376 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
4378 * testsuite/20_util/is_bounded_array/requirements/
4379 explicit_instantiation.cc: New test.
4380 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
4382 * testsuite/20_util/is_bounded_array/value.cc: New test.
4383 * testsuite/20_util/is_unbounded_array/requirements/
4384 explicit_instantiation.cc: New test.
4385 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
4387 * testsuite/20_util/is_unbounded_array/value.cc: New test.
4389 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
4391 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
4393 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
4395 * include/c_compatibility/math.h [C++20] (lerp): Add using
4397 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
4398 (__lerp): Define function template to implement lerp.
4399 (lerp(float, float, float), lerp(double, double, double))
4400 (lerp(long double, long double, long double)): Define for C++20.
4401 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
4402 (midpoint(T, T), midpoint(T*, T*)): Define.
4403 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
4404 * testsuite/26_numerics/lerp.cc: New test.
4405 * testsuite/26_numerics/midpoint/floating.cc: New test.
4406 * testsuite/26_numerics/midpoint/integral.cc: New test.
4407 * testsuite/26_numerics/midpoint/pointer.cc: New test.
4409 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
4411 PR libstdc++/88996 Implement P0439R0
4412 Make std::memory_order a scoped enumeration.
4413 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
4414 add variables for the old enumerators. Adjust calls.
4415 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
4416 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
4418 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
4420 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
4423 * include/std/memory_resource (polymorphic_allocator): Add default
4424 template argument for C++20.
4425 (polymorphic_allocator::allocate_bytes)
4426 (polymorphic_allocator::deallocate_bytes)
4427 (polymorphic_allocator::allocate_object)
4428 (polymorphic_allocator::deallocate_object)
4429 (polymorphic_allocator::new_object)
4430 (polymorphic_allocator::delete_object): New member functions for
4432 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
4435 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
4438 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
4441 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
4443 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
4444 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
4446 * include/std/memory (uses_allocator_construction_args): New set of
4447 overloaded functions.
4448 (make_obj_using_allocator, uninitialized_construct_using_allocator):
4450 * include/std/memory_resource (polymorphic_allocator::construct)
4451 [__cplusplus > 201703l]: Replace all overloads with a single function
4452 using uses_allocator_construction_args.
4453 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
4455 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
4457 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
4460 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
4461 stylesheet directories before check for xsltproc. Try to use
4462 xmlcatalog to find local stylesheet directory before trying hardcoded
4463 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
4464 check to look for the same stylesheet as doc/Makefile.am uses. Don't
4465 use xsltproc if xmlcatalog fails to find a local stylesheet.
4466 * configure.ac: Check for xmlcatalog.
4467 * Makefile.in: Regenerate.
4468 * configure: Likewise.
4469 * doc/Makefile.in: Likewise.
4470 * include/Makefile.in: Likewise.
4471 * libsupc++/Makefile.in: Likewise.
4472 * po/Makefile.in: Likewise.
4473 * python/Makefile.in: Likewise.
4474 * src/Makefile.in: Likewise.
4475 * src/c++11/Makefile.in: Likewise.
4476 * src/c++17/Makefile.in: Likewise.
4477 * src/c++98/Makefile.in: Likewise.
4478 * src/filesystem/Makefile.in: Likewise.
4479 * testsuite/Makefile.in: Likewise.
4481 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
4484 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
4485 container deduction guides.
4486 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
4487 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
4488 parameters in deduction guides.
4489 * include/bits/stl_multimap.h (multimap): Likewise.
4490 * include/bits/stl_multiset.h (multiset): Likewise.
4491 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
4492 * include/bits/stl_set.h (set): Likewise.
4493 * include/bits/stl_stack.h (stack): Likewise.
4494 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
4495 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
4496 constrain parameters in deduction guides.
4497 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
4499 * testsuite/23_containers/map/cons/deduction.cc: Test additional
4501 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
4502 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
4503 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
4504 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
4506 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
4508 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
4511 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
4512 to class template and partial specialization using void_t.
4513 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4515 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
4518 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
4519 copy and move members public.
4521 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
4523 * include/std/type_traits (__underlying_type_impl): New helper to
4524 make underlying_type SFINAE-friendly.
4525 (underlying_type): Derive from __underlying_type_impl.
4526 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
4530 * include/bits/char_traits.h (__constant_char_array): Check index is
4531 in range before dereferencing.
4532 (char_traits<char>::compare, char_traits<char>::find)
4533 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
4534 immediately if n is zero.
4535 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
4536 Remove workarounds for PR 67026.
4537 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
4539 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
4542 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4544 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
4545 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
4547 2019-02-22 Jakub Jelinek <jakub@redhat.com>
4550 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
4551 type to std::size_t and argument to type to long double.
4553 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4555 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
4556 * config/abi/post/sparc64-linux-gnu: New directory.
4557 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
4558 * config/abi/post/sparc64-linux-gnu/32: New directory.
4559 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
4561 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4563 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
4564 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
4567 2019-02-22 Tom Honermann <tom@honermann.net>
4569 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
4570 printers for u8string and u8string_view.
4572 2019-02-22 Tom Honermann <tom@honermann.net>
4574 * testsuite/18_support/byte/ops.cc: Validate
4575 std::to_integer<char8_t>, std::to_integer<char16_t>, and
4576 std::to_integer<char32_t>.
4577 * testsuite/18_support/numeric_limits/dr559.cc: Validate
4578 std::numeric_limits<char8_t>.
4579 * testsuite/18_support/numeric_limits/lowest.cc: Validate
4580 std::numeric_limits<char8_t>::lowest().
4581 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
4582 std::numeric_limits<char8_t>::max_digits10.
4583 * testsuite/18_support/type_info/fundamental.cc: Validate
4584 typeinfo for char8_t.
4585 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
4586 std::from_chars with char8_t.
4587 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
4588 Validate explicit instantiation of std::hash<char8_t>.
4589 * testsuite/20_util/is_integral/value.cc: Validate
4590 std::is_integral<char8_t>.
4591 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
4592 Validate std::make_signed<char8_t>.
4593 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
4594 Validate u8string construction from char8_t sources.
4595 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
4597 * testsuite/21_strings/basic_string_view/operations/compare/
4598 char/70483.cc: Validate substr operations on u8string_view.
4599 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
4600 the u8string_view typedef is defined.
4601 * testsuite/21_strings/char_traits/requirements/
4602 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
4604 * testsuite/21_strings/char_traits/requirements/
4605 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
4606 constexpr member functions.
4607 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
4608 that the u8string typedef is defined.
4609 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
4610 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
4611 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
4612 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
4614 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
4615 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
4617 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
4618 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
4619 Validate std::atomic<char8_t>::is_always_lock_free
4620 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
4621 Update line numbers.
4622 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
4624 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
4626 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
4627 Validate std::experimental::pmr::u8string.
4628 * testsuite/experimental/string_view/typedefs.cc: Validate that the
4629 u8string_view typedef is defined.
4630 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
4631 char32_t to the typelists.
4633 2019-02-22 Tom Honermann <tom@honermann.net>
4635 * include/ext/typelist.h: Constrain a partial specialization of
4636 typelist::detail::append_ to only match chain<T1,T2>.
4638 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4641 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
4642 class template with class. Replace move and copy member types with
4643 member alias templates, so they are only instantiated when needed.
4644 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4645 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
4646 test for C++11/14/17 as well.
4647 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
4650 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4653 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
4654 _GLIBCXX_PURE to the alias declaration.
4656 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
4658 * testsuite/21_strings/basic_string/literals/types.cc
4659 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
4660 * testsuite/21_strings/basic_string/literals/values.cc
4661 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4662 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
4663 potentially having different type.
4664 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
4665 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
4667 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
4668 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
4669 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
4670 string literals only using basic character set.
4671 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
4672 u8 literals to char.
4673 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
4674 Test ATOMIC_CHAR8_T_LOCK_FREE.
4675 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
4676 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
4677 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
4678 * testsuite/experimental/string_view/literals/types.cc
4679 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
4681 * testsuite/experimental/string_view/literals/values.cc
4682 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4684 2019-02-19 Tom Honermann <tom@honermann.net>
4686 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
4687 from char16_32_t.cc; validates numeric_limits<char8_t>.
4688 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
4689 test cloned from types.cc; validates operator""s for char8_t
4691 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
4692 test cloned from values.cc; validates construction and comparison
4694 * testsuite/21_strings/basic_string/requirements/
4695 /explicit_instantiation/char8_t/1.cc: New test cloned from
4696 char16_t/1.cc; validates explicit instantiation of
4697 basic_string<char8_t>.
4698 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
4699 New test cloned from types.cc; validates operator""sv for char8_t
4700 returns u8string_view.
4701 * testsuite/21_strings/basic_string_view/literals/
4702 values-char8_t.cc: New test cloned from values.cc; validates
4703 construction and comparison of u8string_view values.
4704 * testsuite/21_strings/basic_string_view/requirements/
4705 explicit_instantiation/char8_t/1.cc: New test cloned from
4706 char16_t/1.cc; validates explicit instantiation of
4707 basic_string_view<char8_t>.
4708 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
4709 New test cloned from char16_t/65049.cc; validates that
4710 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
4711 * testsuite/21_strings/char_traits/requirements/char8_t/
4712 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
4713 that char_traits<char8_t> member typedefs are present and correct.
4714 * testsuite/21_strings/char_traits/requirements/
4715 explicit_instantiation/char8_t/1.cc: New test cloned from
4716 char16_t/1.cc; validates explicit instantiation of
4717 char_traits<char8_t>.
4718 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
4719 from char16_t.cc: validates
4720 codecvt<char16_t, char8_t, mbstate_t>.
4721 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
4722 from char32_t.cc: validates
4723 codecvt<char32_t, char8_t, mbstate_t>.
4724 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
4725 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
4726 codecvt<char32_t, char8_t, std::mbstate_t>.
4727 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
4728 test cloned from string.cc; validates filesystem::path construction
4730 * testsuite/experimental/feat-char8_t.cc: New test; validates that
4731 the __cpp_lib_char8_t feature test macro is defined with the
4733 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
4734 New test cloned from string.cc; validates filesystem::path
4735 construction from char8_t input.
4736 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
4737 test cloned from types.cc; validates operator""sv for char8_t
4738 returns u8string_view.
4739 * testsuite/experimental/string_view/literals/values-char8_t.cc:
4740 New test cloned from values.cc; validates construction and
4741 comparison of u8string_view values.
4742 * testsuite/experimental/string_view/requirements/
4743 explicit_instantiation/char8_t/1.cc: New test cloned from
4744 char16_t/1.cc; validates explicit instantiation of
4745 basic_string_view<char8_t>.
4746 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
4747 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
4750 2019-02-19 Tom Honermann <tom@honermann.net>
4752 P0482R5 char8_t: Standard library support
4753 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
4754 typeinfo symbols for char8_t.
4755 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
4756 (GLIBCXX_3.4.26): Add symbols for specializations of
4757 numeric_limits and codecvt that involve char8_t.
4758 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
4759 * include/bits/atomic_base.h: Add atomic_char8_t.
4760 * include/bits/basic_string.h: Add std::hash<u8string> and
4761 operator""s(const char8_t*, size_t).
4762 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
4764 * include/bits/char_traits.h: Add char_traits<char8_t>.
4765 * include/bits/codecvt.h: Add
4766 codecvt<char16_t, char8_t, mbstate_t>,
4767 codecvt<char32_t, char8_t, mbstate_t>,
4768 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4769 codecvt_byname<char32_t, char8_t, mbstate_t>.
4770 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
4771 recognize char8_t as an integral type.
4772 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
4774 (path::u8string): Return std::u8string when char8_t support is
4776 (path::generic_u8string): Likewise.
4777 (path::_S_convert): Handle conversion from char8_t input.
4778 (path::_S_str_convert): Likewise.
4779 * include/bits/functional_hash.h: Add hash<char8_t>.
4780 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
4782 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
4783 for new char8_t specializations.
4784 * include/bits/localefwd.h: Add missing declarations of
4785 codecvt<char16_t, char, mbstate_t> and
4786 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
4787 codecvt<char16_t, char8_t, mbstate_t> and
4788 codecvt<char32_t, char8_t, mbstate_t>.
4789 * include/bits/postypes.h: Add u8streampos
4790 * include/bits/stringfwd.h: Add declarations of
4791 char_traits<char8_t> and u8string.
4792 * include/c_global/cstddef: Add __byte_operand<char8_t>.
4793 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4795 (path::u8string): Return std::u8string when char8_t support is
4797 (path::generic_u8string): Likewise.
4798 (path::_S_convert): Handle conversion from char8_t input.
4799 (path::_S_str_convert): Likewise.
4800 * include/experimental/string: Add u8string.
4801 * include/experimental/string_view: Add u8string_view,
4802 hash<experimental::u8string_view>, and
4803 operator""sv(const char8_t*, size_t).
4804 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
4805 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
4806 as a character type.
4807 * include/std/limits: Add numeric_limits<char8_t>.
4808 * include/std/string_view: Add u8string_view,
4809 hash<experimental::u8string_view>, and
4810 operator""sv(const char8_t*, size_t).
4811 * include/std/type_traits: Add __is_integral_helper<char8_t>,
4812 __make_unsigned<char8_t>, and __make_signed<char8_t>.
4813 * libsupc++/atomic_lockfree_defines.h: Define
4814 ATOMIC_CHAR8_T_LOCK_FREE.
4815 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
4816 codecvt.cc and limits.cc so that char8_t specializations of
4817 numeric_limits and codecvt and emitted.
4818 * src/c++11/Makefile.in: Likewise.
4819 * src/c++11/codecvt.cc: Define members of
4820 codecvt<char16_t, char8_t, mbstate_t>,
4821 codecvt<char32_t, char8_t, mbstate_t>,
4822 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4823 codecvt_byname<char32_t, char8_t, mbstate_t>.
4824 * src/c++11/limits.cc: Define members of
4825 numeric_limits<char8_t>.
4826 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
4827 locale_init.cc and localename.cc.
4828 * src/c++98/Makefile.in: Likewise.
4829 * src/c++98/locale_init.cc: Add initialization for the
4830 codecvt<char16_t, char8_t, mbstate_t> and
4831 codecvt<char32_t, char8_t, mbstate_t> facets.
4832 * src/c++98/localename.cc: Likewise.
4833 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
4835 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
4837 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
4838 * 27_io/filesystem/operations/resize_file.cc: Likewise.
4839 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
4841 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
4843 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
4844 * doc/html/*: Regenerate.
4846 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
4847 * doc/html/*: Regenerate.
4849 * doc/xml/manual/intro.xml: Document LWG 2586 status.
4850 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
4851 allocator type in is_constructible checks.
4852 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
4853 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
4854 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
4855 problematic type from LWG 2586 discussion.
4856 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
4857 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
4859 * configure.ac: Check for C11 timespec_get function.
4860 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
4862 * config.h.in: Regenerate.
4863 * configure: Regenerate.
4864 * include/c_global/ctime (timespec, timespec_get): Add to namespace
4865 std for C++17 and up.
4867 * doc/xml/manual/intro.xml: Document LWG 2537 status.
4868 * include/bits/stl_queue.h
4869 (priority_queue(const Compare&, const Container&, const Alloc&))
4870 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
4872 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
4874 * doc/xml/manual/intro.xml: Document LWG 2566 status.
4875 * include/bits/stl_queue.h (queue, priority_queue): Add static
4876 assertions to enforce LWG 2566 requirement on value_type.
4877 * include/bits/stl_stack.h (stack): Likewise.
4880 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
4882 * doc/xml/manual/intro.xml: Document LWG 2735 status.
4883 * include/bits/std_abs.h: Add comment about LWG 2735.
4884 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
4886 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
4889 * include/std/version [__cpp_impl_destroying_delete]
4890 (__cpp_lib_destroying_delete): Only define for C++2a and later.
4891 * libsupc++/new [__cpp_impl_destroying_delete]
4892 (__cpp_lib_destroying_delete): Likewise.
4893 (destroying_delete_t, destroying_delete): Likewise, but define even
4894 when __cpp_impl_destroying_delete is not defined.
4895 * testsuite/18_support/destroying_delete.cc: New test.
4897 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
4900 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
4901 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
4902 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
4903 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
4905 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
4908 * include/bits/fs_path.h (path::has_root_name)
4909 (path::has_root_directory, path::has_root_path)
4910 (path::has_relative_path, path::has_parent_path)
4911 (path::has_filename, path::has_stem, path::has_extension)
4912 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
4914 * src/c++17/fs_path.cc (path::has_root_name)
4915 (path::has_root_directory, path::has_root_path)
4916 (path::has_relative_path, path::has_parent_path)
4917 (path::has_filename, path::_M_find_extension): Add noexcept.
4919 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
4921 PR libstdc++/89102 (partial)
4922 * include/std/type_traits (common_type<>): Define.
4923 (common_type<T>): Derive from common_type<T, T>.
4924 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
4925 Test zero-length template argument list.
4926 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
4927 Test additional single argument cases.
4928 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
4929 Adjust expected error.
4931 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
4934 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
4936 * include/bits/stl_stack.h (stack): Likewise.
4937 * testsuite/23_containers/priority_queue/deduction.cc: New test.
4938 * testsuite/23_containers/queue/deduction.cc: New test.
4939 * testsuite/23_containers/stack/deduction.cc: New test.
4942 * include/std/type_traits (__is_convertible_helper)
4943 (__is_convertible_helper<_From, _To, false>): Revert changes to
4944 support is_nothrow_convertible.
4945 (__is_nt_convertible_helper): New helper.
4946 (is_nothrow_convertible): Use __is_nt_convertible_helper.
4948 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
4949 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
4952 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
4953 __is_alloc_insertable_impl. Replace single type member with two
4954 members, one for each of copy and move insertable.
4955 (__is_move_insertable): New trait for internal use.
4956 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
4957 (vector::_S_nothrow_relocate(true_type)): New functions to
4958 conditionally check if __relocate_a can throw.
4959 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
4960 on __is_move_insertable.
4961 (vector::_S_do_relocate): New overloaded functions to conditionally
4963 (vector::_S_relocate): New function that dispatches to _S_do_relocate
4964 based on _S_use_relocate.
4965 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4966 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
4967 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
4970 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
4971 parameter unnamed. Add message to static assertion.
4972 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4973 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
4976 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
4979 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
4981 (__is_bitwise_relocatable): ... to this.
4982 (__relocate_a_1): Adapt.
4983 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
4984 (__is_bitwise_relocatable): ... to this.
4986 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
4989 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
4990 final component as well as from _M_pathname. Append the dot using
4991 operator+= instead of only to _M_pathname.
4992 (path::_M_find_extension): Reformat slightly.
4993 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4994 Add more test cases.
4996 2019-01-30 Ulrich Drepper <drepper@redhat.com>
4998 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
5000 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
5002 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
5003 constexpr specifiers from arg and proj.
5005 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
5006 __shared_ptr instantiations used by gcc4-compatible ABI.
5008 * include/experimental/forward_list (experimental::erase): Qualify
5010 * include/experimental/list (experimental::erase): Likewise.
5011 * include/std/forward_list (std::erase): Likewise.
5012 * include/std/list (std::erase): Likewise.
5014 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
5016 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
5017 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
5018 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
5019 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
5020 * testsuite/ext/array_allocator/26875.cc: Likewise.
5021 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
5022 * testsuite/util/replacement_memory_operators.h: Likewise.
5023 * testsuite/util/testsuite_allocator.h: Likewise.
5025 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
5026 normal mode vector, even for debug mode.
5027 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
5028 Define alias template for normal mode vector.
5030 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
5033 * config/locale/generic/c_locale.h (__convert_from_v)
5034 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5035 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5036 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
5037 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
5039 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
5042 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
5043 data member with static member function _S_use_relocate().
5044 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
5045 (vector::_M_default_append): Use _S_use_relocate() instead of
5048 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
5051 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
5054 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
5055 write to stderr instead of using printf.
5057 2019-01-21 Jakub Jelinek <jakub@redhat.com>
5060 * include/bits/char_traits.h (__constant_string_p,
5061 __constant_char_array_p): Use __builtin_is_constant_evaluated if
5064 2019-01-20 Ulrich Drepper <drepper@redhat.com>
5066 Implement C++20 P0600r1.
5067 * include/backward/hash_map: Add nodiscard attribute to empty.
5068 * include/backward/hash_set: Likewise.
5069 * backward/hashtable.h: Likewise.
5070 * include/bits/basic_string.h: Likewise.
5071 * include/bits/forward_list.h: Likewise.
5072 * include/bits/hashtable.h: Likewise.
5073 * include/bits/regex.h: Likewise.
5074 * include/bits/stl_deque.h: Likewise.
5075 * include/bits/stl_list.h: Likewise.
5076 * include/bits/stl_map.h: Likewise.
5077 * include/bits/stl_multimap.h: Likewise.
5078 * include/bits/stl_multiset.h: Likewise.
5079 * include/bits/stl_queue.h: Likewise.
5080 * include/bits/stl_set.h: Likewise.
5081 * include/bits/stl_stack.h: Likewise.
5082 * include/bits/stl_tree.h: Likewise.
5083 * include/bits/stl_vector.h: Likewise.
5084 * include/bits/unordered_map.h: Likewise.
5085 * include/bits/unordered_set.h: Likewise.
5086 * include/debug/array: Likewise.
5087 * include/experimental/any: Likewise.
5088 * include/experimental/bits/fs_path.h: Likewise.
5089 * include/experimental/internet: Likewise.
5090 * include/experimental/string_view: Likewise.
5091 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
5093 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
5095 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
5097 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
5099 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
5101 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
5103 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
5105 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
5107 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5108 info_fn_imps.hpp: Likewise.
5109 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5110 left_child_next_sibling_heap_.hpp: Likewise.
5111 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
5113 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
5115 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
5117 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
5119 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
5121 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
5123 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
5125 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
5126 * include/ext/pb_ds/trie_policy.hpp: Likewise.
5127 * include/ext/rope: Likewise.
5128 * include/ext/slist: Likewise.
5129 * include/ext/vstring.h: Likewise.
5130 * include/profile/array: Likewise.
5131 * include/std/array: Likewise.
5132 * include/tr1/array: Likewise.
5133 * include/tr1/hashtable.h: Likewise.
5134 * include/tr1/regex: Likewise.
5135 * include/tr2/dynamic_bitset: Likewise.
5136 * include/bits/alloc_traits.h: Add nodiscard attribute to
5138 * include/experimental/memory_resource: Likewise.
5139 * include/ext/alloc_traits.h: Likewise.
5140 * include/ext/array_allocator.h: Likewise.
5141 * include/ext/bitmap_allocator.h: Likewise.
5142 * include/ext/debug_allocator.h: Likewise.
5143 * include/ext/extptr_allocator.h: Likewise.
5144 * include/ext/mt_allocator.h: Likewise.
5145 * include/ext/new_allocator.h: Likewise.
5146 * include/ext/pool_allocator.h: Likewise.
5147 * include/ext/throw_allocator.h: Likewise.
5148 * include/std/scoped_allocator: Likewise.
5149 * libsupc++/eh_alloc.cc: Likewise.
5150 * include/std/future: Add nodiscard attribute to async.
5151 * libsupc++/new: Add nodiscard attribute to new.
5153 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
5158 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
5159 * include/bits/shared_ptr.h
5160 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
5161 (allocate_shared): Change to use new tag type.
5162 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
5163 Declare new member function.
5164 (_Sp_alloc_shared_tag): Define new type.
5165 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
5166 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
5167 _Sp_make_shared_tag::_S_eq to check type_info.
5168 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
5169 Constrain to prevent being called with _Sp_alloc_shared_tag.
5170 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
5171 Replace constructor with ...
5172 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
5173 reference parameter so address of the new object can be returned to
5174 the caller. Obtain the allocator from the tag type.
5175 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
5176 constructor with ...
5177 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
5178 to the __shared_count constructor.
5179 (__allocate_shared): Change to use new tag type.
5180 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
5182 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
5184 * src/c++17/fs_ops.cc
5185 (equivalent(const path&, const path&, error_code&))
5186 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
5187 compare files instead of relying on incomplete info returned by stat.
5190 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
5191 if the path is already absolute.
5192 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
5193 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
5196 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
5197 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
5198 of filesystem::exists.
5199 (create_directories(const path&, error_code&)): Add assertions.
5200 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
5201 Add workaround for bug in _wstat for paths with trailing slash.
5202 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
5203 for expected behaviour on mingw.
5204 * testsuite/experimental/filesystem/operations/create_directories.cc:
5206 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
5207 "TMP" instead of "TMPDIR" and clean environment before each test. Do
5208 not test permissions on mingw targets.
5210 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
5212 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
5213 constructors and open members taking wide strings. Fix patterns for
5214 filesystem::path members to match wstring_view parameters. Add
5215 exports for shared_ptr members used by directory iterators.
5216 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
5217 error code parameter if the file doesn't exist.
5218 * src/filesystem/ops.cc (remove(const path&, error_code&)):
5220 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
5221 values for mingw targets, where "/" is not an absolute path. Do not
5222 test symlinks on mingw targets.
5223 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5224 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
5226 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5227 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
5228 that each component of the path is created.
5229 * testsuite/experimental/filesystem/operations/create_directories.cc:
5231 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
5232 permissions on mingw targets.
5233 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5234 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5235 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5236 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
5238 * testsuite/experimental/filesystem/operations/permissions.cc:
5240 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
5241 symlinks or permissions on mingw targets.
5242 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5243 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
5244 symlinks on mingw targets.
5245 * testsuite/experimental/filesystem/operations/remove_all.cc:
5247 * testsuite/27_io/filesystem/operations/status.cc: Do not test
5248 permissions on mingw targets.
5249 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
5250 test symlinks on mingw targets.
5251 * testsuite/experimental/filesystem/operations/space.cc: Fix test
5254 2019-02-14 Ulrich Drepper <drepper@redhat.com>
5257 Warn about unused comparisons of shared_ptr/unique_ptr
5258 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
5259 * include/bits/shared_ptr.h: Use it for operator ==, !=,
5260 <, <=, >, >= for shared_ptr.
5261 * include/bits/unique_ptr.h: Likewise for unique_ptr.
5263 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
5265 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
5266 as 201611L, because P0497R0 changes are supported.
5267 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
5269 * include/bits/erase_if.h [__cplusplus > 201703L]
5270 (__cpp_lib_erase_if): Only define for C++2a.
5271 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5272 (__cpp_lib_null_iterators): Define.
5273 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5274 (__cpp_lib_null_iterators): Define.
5275 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
5277 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
5279 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
5281 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
5282 changes are supported.
5283 * include/std/optional (__cpp_lib_optional): Likewise.
5284 * include/std/variant (__cpp_lib_variant): Likewise.
5285 * include/std/version [!__STRICT_ANSI__]
5286 (__cpp_lib_uncaught_exceptions): Define as long integer.
5287 [__cplusplus >= 201703L] (__cpp_lib_any)
5288 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
5289 (__cpp_lib_variant): Define for C++17.
5290 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
5292 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
5295 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
5297 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
5301 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
5303 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
5306 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5308 * doc/xml/manual/intro.xml: Include new section.
5309 * doc/xml/manual/status_cxx2017.xml: Document more
5310 implementation-defined properties of the library.
5311 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
5312 * doc/html/*: Regenerate.
5314 * include/bits/refwrap.h [__cplusplus > 201703L]
5315 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
5316 (_Reference_wrapper_base_memfun): Do not define for C++2a.
5317 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
5319 (reference_wrapper::operator()): Add static assertion.
5320 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
5322 * include/std/chrono (duration_values::zero(), duration_values::min())
5323 (duration_values::max()): Add noexcept.
5324 (duration::zero(), duration::min(), duration::max()): Likewise.
5325 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
5326 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
5327 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
5329 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
5331 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5333 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
5334 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
5336 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5339 * include/bits/functional_hash.h (hash<nullptr_t>): Define
5340 specialization for C++17 (P0513R0, LWG 2817).
5341 * testsuite/20_util/hash/nullptr.cc: New test.
5344 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
5345 pattern for std::basic_stringbuf::str().
5347 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
5348 basic_ostream::operator<< patterns.
5350 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5352 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
5353 test failures on targets with 32-bit time_t.
5355 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
5356 * include/std/deque: Likewise.
5357 * include/std/forward_list: Likewise.
5358 * include/std/list: Likewise.
5359 * include/std/string: Likewise.
5360 * include/std/vector: Likewise.
5361 * include/std/version: Likewise.
5362 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
5363 * testsuite/23_containers/deque/erasure.cc: Likewise.
5364 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
5365 * testsuite/23_containers/list/erasure.cc: Likewise.
5366 * testsuite/23_containers/map/erasure.cc: Likewise.
5367 * testsuite/23_containers/set/erasure.cc: Likewise.
5368 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
5369 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
5370 * testsuite/23_containers/vector/erasure.cc: Likewise.
5372 * include/experimental/internet [AI_NUMERICSERV]
5373 (resolver_base::numeric_service): Define conditionally.
5374 * testsuite/experimental/net/internet/resolver/base.cc: Test it
5376 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
5379 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
5380 Jonathan Wakely <jwakely@redhat.com>
5383 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
5384 (GLIBCXX_3.4.26): Add new exports.
5385 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
5386 correct list of sources.
5387 * include/Makefile.in: Regenerate.
5388 * include/std/ostream (operator<<(nullptr_t)): New member function.
5389 * src/c++17/ostream-inst.cc: New file.
5390 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
5393 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5395 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
5396 of the source file containing the caller.
5397 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
5398 directories created by test.
5399 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5401 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5403 * testsuite/experimental/filesystem/iterators/
5404 recursive_directory_iterator.cc: Likewise.
5406 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5408 PR tree-optimization/88775
5409 * include/bits/stl_function.h (greater<_Tp*>::operator(),
5410 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
5411 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
5412 instead of __builtin_constant_p if available. Don't bother with
5413 the pointer comparison in C++11 and earlier.
5415 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5419 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
5422 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
5424 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
5425 for filesystem::path. Give variables more distinctive names.
5427 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
5428 member function to perform non-trivial assignment.
5429 (_Optional_payload_base::_M_move_assign): Likewise.
5430 (_Optional_payload<T, true, false, true>::operator=)
5431 (_Optional_payload<T, true, true, false>::operator=)
5432 (_Optional_payload<T, true, false, false>::operator=): Call
5433 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
5436 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
5437 test std::complex<long double> if long double format is IBM128.
5438 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
5441 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5443 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
5444 for old std::unique_ptr layout.
5445 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
5446 to become valueless. Add filesystem::path tests.
5449 * include/std/optional (_Optional_payload_base): New class template
5450 for common code hoisted from _Optional_payload specializations. Use
5451 a template for the union, to allow a partial specialization for
5452 types with non-trivial destructors. Add constructors for in-place
5453 initialization to the union.
5454 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
5455 to perform non-trivial copy construction, instead of relying on
5456 non-standard copy elision in a delegating constructor.
5457 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
5458 non-trivial move construction.
5459 (_Optional_payload): Derive from _Optional_payload_base and use it
5460 for everything except the non-trivial assignment operators, which are
5462 (_Optional_payload<false, C, M>): Derive from the specialization
5463 _Optional_payload<true, false, false> and add a destructor.
5464 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
5465 Forward to corresponding members of _Optional_payload.
5466 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
5467 Hoist common members from _Optional_base.
5468 (_Optional_base): Make all members and base class public.
5469 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
5470 _Optional_base_impl.
5471 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
5472 support for new std::optional layout.
5473 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
5476 * include/bits/locale_conv.h: Use <> for includes not "".
5477 * include/ext/random: Likewise.
5478 * include/ext/vstring.h: Likewise.
5480 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5482 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
5483 (GLIBCXX_3.4.21): Likewise.
5485 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5488 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
5489 to match the one that controls whether utimbuf and utime are declared.
5491 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
5494 * include/bits/char_traits.h (char_traits::move): Do not pass null
5495 pointers to memmove.
5496 * include/bits/locale_facets.h
5497 (ctype<char>::widen(const char*, const char*, char*)): Do not
5498 pass null pointers to memcpy.
5499 (ctype<char>::narrow(const char*, const char*, char, char*)):
5501 (ctype<char>::do_widen(const char*, const char*, char*)):
5503 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
5506 * doc/xml/manual/spine.xml: Update copyright years.
5507 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
5508 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
5509 for C++17 filesystem library.
5510 * doc/html/*: Regenerate.
5512 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
5513 * config.h.in: Regenerate.
5514 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
5515 alphabetically and add missing entries for copy_symlink,
5516 hard_link_count, rename, and resize_file.
5517 * configure: Regenerate.
5518 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
5519 used unconditionally.
5520 * src/filesystem/ops-common.h (__gnu_posix::truncate)
5521 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
5522 supports truncating to zero length.
5523 * testsuite/27_io/filesystem/operations/all.cc: New test.
5524 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
5526 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
5529 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
5530 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
5531 * config.h.in: Regenerate.
5532 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
5533 remaining std::filesystem types and functions.
5534 * configure: Regenerate.
5535 * src/c++17/Makefile.am: Add C++17 filesystem sources.
5536 * src/c++17/Makefile.in: Regenerate.
5537 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
5538 here, and change name of included file.
5539 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
5540 here, and change name of included file.
5541 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
5542 path to dir-common.h.
5543 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
5544 path to ops-common.h. Disable -Wunused-parameter warnings.
5545 (internal_file_clock): Define unconditionally.
5546 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
5548 (do_copy_file, do_space): Move definitions to ops.common.h.
5549 (copy, file_size, hard_link_count, last_write_time, space): Only
5550 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
5552 (last_write_time, read_symlink): Remove unused attributes from
5554 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
5555 * src/filesystem/Makefile.in: Regenerate.
5556 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
5557 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
5558 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
5559 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
5560 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
5561 dummy types and functions instead of using #error.
5562 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
5563 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
5565 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
5566 (do_copy_file, do_space): Move definitions here from std-ops.cc.
5567 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
5568 to account for new namespace.
5569 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
5570 -lstdc++fs from dg-options.
5571 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
5572 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
5573 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
5574 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
5575 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
5577 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
5578 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5580 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
5581 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
5582 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
5583 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
5584 * testsuite/27_io/filesystem/operations/create_directories.cc:
5586 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
5587 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
5588 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
5589 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
5590 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
5591 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
5592 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5593 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
5594 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
5595 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
5596 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
5597 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
5598 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
5599 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
5600 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
5601 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
5602 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
5603 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
5605 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
5609 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
5610 typeinfo and vtables less greedy.
5611 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
5612 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
5613 * src/c++17/Makefile.in: Regenerate.
5614 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
5615 here, and change name of included file.
5616 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
5617 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
5619 * src/filesystem/Makefile.in: Regenerate.
5620 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
5621 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
5622 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
5623 from dg-options and remove dg-require-filesystem-ts.
5624 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
5625 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
5626 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
5627 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
5628 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
5629 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
5630 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
5631 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
5632 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
5633 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
5634 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
5635 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
5636 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
5637 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
5638 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
5639 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
5640 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
5641 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
5642 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
5643 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
5644 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
5646 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
5647 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
5648 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
5649 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
5650 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
5651 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
5652 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
5653 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
5654 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
5655 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
5656 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
5657 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
5659 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
5661 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5663 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
5665 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
5666 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
5667 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
5668 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
5669 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
5670 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
5671 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
5672 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
5673 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
5674 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
5676 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
5677 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
5678 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
5679 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
5680 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
5683 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
5684 Check is_trivially_copyable instead of is_scalar.
5685 (variant::emplace<N, Args>(Args&&...)): If construction of the new
5686 contained value can throw and its type is trivially copyable then
5687 construct into a temporary variant and move from it, to provide the
5688 strong exception safety guarantee.
5689 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
5691 * testsuite/20_util/variant/87431.cc: New test.
5692 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
5693 conversion causes valueless state.
5696 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
5697 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
5698 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
5699 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
5700 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
5702 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
5704 * include/bits/fs_fwd.h (__file_clock): Define new clock.
5705 (file_time_type): Redefine in terms of __file_clock.
5706 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
5708 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
5710 (internal_file_lock): New helper type for accessing __file_clock.
5711 (do_copy_file): Use internal_file_lock to convert system time to
5713 (last_write_time(const path&, error_code&)): Likewise.
5714 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
5716 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
5718 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
5719 for const member functions of std::basic_string.
5720 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
5722 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
5723 Make non-standard constructor private.
5724 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
5726 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
5727 explicit instantiations for C++17 as well as earlier dialects.
5728 * src/c++17/Makefile.am: Add new source files.
5729 * src/c++17/Makefile.in: Regenerate.
5730 * src/c++17/cow-string-inst.cc: New file defining explicit
5731 instantiations for basic_string member functions added in C++17.
5732 * src/c++17/string-inst.cc: Likewise.
5734 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
5735 copy/move constructors for old std::basic_string.
5736 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
5737 (basic_string::reference, basic_string::const_reference): Define
5738 as plain references for C++11 and later.
5739 (basic_string::basic_string()): Put constructor body outside
5740 preprocessor conditional groups.
5741 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
5742 instead of copying it.
5743 (basic_string::basic_string(const basic_string&, const _Alloc&)):
5745 (basic_string::basic_string(basic_string&&, const _Alloc&)):
5747 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
5748 cases for old basic_string.
5749 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
5750 allocator-extended constructors unconditionally. Add extra members to
5751 allocator type when using old string ABI.
5752 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
5754 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
5756 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
5757 -fno-inline added to test flags.
5759 * testsuite/21_strings/basic_string/requirements/
5760 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
5762 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
5763 assertion failures with old std::string ABI.
5765 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
5767 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
5768 functions that will only erase elements at the end.
5769 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
5770 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
5771 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
5773 (path::_List::pop_back()): Define.
5774 (path::_List::_M_erase_from(const_iterator)): Define.
5775 (path::operator/=(const path&)): Use pop_back to remove last component
5776 and _M_erase_from to remove multiple components.
5777 (path::_M_append(basic_string_view<value_type>)): Likewise.
5778 (path::operator+=(const path&)): Likewise.
5779 (path::_M_concat(basic_string_view<value_type>)): Likewise.
5780 (path::remove_filename()): Likewise.
5781 (path::lexically_normal()): Use _List::_Impl iterators instead of
5782 path::iterator. Use pop_back to remove components from the end. Clear
5783 trailing filename, instead of using erase(const_iterator) to remove
5784 a non-final component.
5785 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
5787 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
5789 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
5790 incorrect treatment of empty filename after trailing slash.
5791 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
5793 * testsuite/21_strings/basic_string/modifiers/assign/char/
5794 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
5796 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
5797 move_assign_optim.cc: Likewise.
5799 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5800 Jakub Jelinek <jakub@redhat.com>
5803 * include/experimental/memory: Replace UTF-8 quote characters.
5804 * include/std/future: Replace UTF-8 "em dash" characters.
5806 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5809 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
5810 * include/debug/forward_list: Likewise.
5811 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
5813 * include/experimental/chrono: Likewise.
5814 * include/experimental/functional: Likewise.
5815 * include/experimental/ratio: Likewise.
5816 * include/experimental/system_error: Likewise.
5817 * include/experimental/tuple: Likewise.
5818 * include/experimental/type_traits: Likewise.
5819 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
5820 * include/parallel/multiseq_selection.h: Likewise.
5823 * config/abi/pre/gnu.ver: Add missing exports.
5824 * testsuite/22_locale/collate_byname/88681.cc: New test.
5825 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
5826 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
5828 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
5830 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
5831 initializer_list<value_type> and from input iterator ranges.
5832 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
5834 * testsuite/experimental/string_view/element_access/char/empty.cc:
5835 Fix year range in copyright header.
5837 2019-01-02 Joel Brobecker <brobecker@adacore.com>
5839 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
5840 Fix year range in copyright header.
5842 2019-01-01 Jakub Jelinek <jakub@redhat.com>
5844 Update copyright years.
5846 Copyright (C) 2019 Free Software Foundation, Inc.
5848 Copying and distribution of this file, with or without modification,
5849 are permitted in any medium without royalty provided the copyright
5850 notice and this notice are preserved.