1 2019-10-08 Jonathan Wakely <jwakely@redhat.com>
3 * doc/Makefile.am (doc-html-docbook-regenerate): New target.
4 (${docbook_outdir}/html): Do not create unused 'html/ext' directory.
5 * doc/Makefile.in: Regenerate.
6 * doc/xml/manual/documentation_hacking.xml: Document new target.
7 * doc/html/*: Regenerate.
9 * doc/xml/manual/allocator.xml: Use archived copy of CUJ article.
10 * doc/html/*: Regenerate.
12 2019-10-06 François Dumont <fdumont@gcc.gnu.org>
14 * include/bits/stl_algo.h
15 (__copy_n_a(_IIte, _Size, _OIte)): New.
16 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New declaration.
17 (__copy_n(_IIte, _Size, _OIte, input_iterator_tag)): Adapt to use
19 * include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
20 std::__copy_n_a friend.
21 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New.
22 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1.cc: New.
23 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1_neg.cc: New.
24 * testsuite/25_algorithms/copy_n/istreambuf_iterator/2_neg.cc: New.
26 * include/bits/stl_iterator_base_types.h (__iterator_category_t): Define
28 (_RequireInputIte): Likewise and use __enable_if_t.
30 (__is_random_access_iter): Use __iterator_category_t.
32 * include/bits/stl_algo.h (copy_n): Add __glibcxx_requires_can_increment
34 * testsuite/25_algorithms/copy_n/debug/1_neg.cc: New.
35 * testsuite/25_algorithms/copy_n/debug/2_neg.cc: New.
37 2019-10-04 François Dumont <fdumont@gcc.gnu.org>
39 * include/debug/forward_list
40 (_Sequence_traits<__debug::forward_list<>>::_S_size): Returns __dp_sign
41 distance when not empty.
42 * include/debug/list (_Sequence_traits<__debug::list<>>::_S_size):
44 * include/debug/helper_functions.h (__dp_sign_max_size): New
45 _Distance_precision enum entry.
46 (__valid_range_aux(_IIte, _IIte, _Distance_traits<>::__type,
47 __false_type)): Adapt.
48 * include/debug/safe_iterator.tcc
49 (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator&)): Review
52 2019-10-04 Jonathan Wakely <jwakely@redhat.com>
56 * configure.ac: Use AC_SYS_LARGEFILE to enable 64-bit file APIs.
57 * config.h.in: Regenerate:
58 * configure: Regenerate:
59 * include/Makefile.am (${host_builddir}/largefile-config.h): New
60 target to generate config header for filesystem library.
61 (${host_builddir}/c++config.h): Rename macros for large file support.
62 * include/Makefile.in: Regenerate.
63 * src/c++17/fs_dir.cc: Include new config header.
64 * src/c++17/fs_ops.cc: Likewise.
65 (filesystem::file_size): Use uintmax_t for size.
66 * src/filesystem/dir.cc: Include new config header.
67 * src/filesystem/ops.cc: Likewise.
68 (experimental::filesystem::file_size): Use uintmax_t for size.
70 * testsuite/util/testsuite_abi.h: Use std::unordered_map instead of
71 std::tr1::unordered_map.
72 * testsuite/util/testsuite_allocator.h: Likewise.
74 * include/tr1/hashtable.h: Add header for __gnu_cxx::__alloc_traits.
76 * include/tr1/hashtable.h (tr1::_Hashtable::_M_allocate_node): Use
77 __gnu_cxx::__alloc_traits for allocator construct function.
78 (tr1::_Hashtable::_M_deallocate_node): Likewise for destroy function.
80 * include/precompiled/stdc++.h: Include <span> for C++20.
81 * testsuite/17_intro/names.cc: Do not define 'e' for C++20.
83 2019-10-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
85 * include/parallel/multiway_merge.h (_RAIter3): Replace _C by _Cp.
87 2019-10-02 Jonathan Wakely <jwakely@redhat.com>
89 * config/abi/pre/gnu.ver: Tighten up greedy wildcards.
91 * doc/xml/manual/parallel_mode.xml: Add caveat about support for
93 * doc/html/*: Regenerate.
95 2019-10-01 Jonathan Wakely <jwakely@redhat.com>
97 * include/experimental/algorithm (experimental::sample): Qualify call
98 to __sample correctly.
99 * include/parallel/algo.h (sample, for_each_n): Add using-declarations
100 for algorithms that don't have parallel implementations.
102 * include/parallel/algobase.h (equal, lexicographical_compare): Add
103 _GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
105 * include/parallel/algorithmfwd.h (equal, lexicographical_compare):
106 Add _GLIBCXX20_CONSTEXPR.
108 * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
110 * testsuite/20_util/hash/84998.cc: Likewise.
111 * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
112 * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
113 * testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
114 * testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
115 * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
116 * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
117 * testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
118 * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
120 * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
122 * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
124 * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
126 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
128 * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
129 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
130 * testsuite/25_algorithms/copy/86658.cc: Likewise.
131 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
132 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
133 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
134 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
136 * include/parallel/algo.h: Replace non-reserved names.
137 * include/parallel/multiway_merge.h: Likewise.
138 * include/parallel/multiway_mergesort.h: Likewise.
139 * include/parallel/numericfwd.h: Likewise.
140 * testsuite/17_intro/names.cc: Add RAI to test macros.
142 2019-09-30 François Dumont <fdumont@gcc.gnu.org>
144 * include/debug/array: Add C++20 constexpr to comparison operators.
145 * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
146 dg-error line numbers.
147 * testsuite/23_containers/array/tuple_interface/
148 tuple_element_debug_neg.cc: Likewise.
150 2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
152 * include/experimental/internet: Include netinet/in.h if we have
153 _GLIBCXX_HAVE_NETINET_IN_H defined.
155 * testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
156 FreeBSD warning about lower advertised precision of tgammal.
157 * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
158 * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
159 * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
160 * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
161 * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
162 * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
163 * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
164 * testsuite/tr1/5_numerical_facilities/special_functions/
165 08_cyl_bessel_i/check_nan.cc: Likewise.
166 * testsuite/tr1/5_numerical_facilities/special_functions/
167 09_cyl_bessel_j/check_nan.cc: Likewise.
168 * testuite/tr1/5_numerical_facilities/special_functions/
169 10_cyl_bessel_k/check_nan.cc: Likewise.
170 * testsuite/tr1/5_numerical_facilities/special_functions/
171 11_cyl_neumann/check_nan.cc: Likewise.
172 * testsuite/tr1/5_numerical_facilities/special_functions/
173 21_sph_bessel/check_nan.cc: Likewise.
174 * testsuite/tr1/5_numerical_facilities/special_functions/
175 23_sph_neumann/check_nan.cc: Likewise.
177 2019-09-30 Jonathan Wakely <jwakely@redhat.com>
179 * include/std/span (span(element_type(&)[N]))
180 (span(array<value_type, N>&), span(const array<value_type, N>&)):
181 Deduce array element type to allow safe const conversions (LWG 3255).
182 [!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
183 remove_cv_t on arguments to __is_std_span and __is_std_array.
184 * testsuite/23_containers/span/lwg3255.cc: New test.
187 * include/parallel/checkers.h (__is_sorted): Remove unused variable.
189 2019-09-28 François Dumont <fdumont@gcc.gnu.org>
191 * include/bits/stl_algo.h (merge): Fix documentation.
192 * include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
193 (__check_sorted): Likewise and remove nested irreflexive check.
194 (__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
195 (__check_partitioned_lower, __check_partitioned_upper): Likewise.
196 (_Irreflexive_checker::_S_is_valid): Likewise.
197 (__is_irreflexive, __is_irreflexive_pred): Likewise.
198 * include/debug/helper_functions.h (__get_distance): Add constexpr.
199 (__valid_range_aux): Add C++20 constexpr.
200 (__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
201 Likewise and add std::is_constant_evaluated check.
202 (__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
203 (__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
204 (__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
206 (__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
207 __builtin_is_contant_evaludated check..
208 (__can_advance, __base): Add constexpr.
209 * include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
210 (_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
211 (__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
212 (__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
213 * testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
215 * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
216 * testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
217 lambda to be irreflexive.
219 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
221 * configure: Regenerate.
223 2019-09-27 Jonathan Wakely <jwakely@redhat.com>
226 * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
227 atomically and lock the mutex before accessing the sequence.
228 (_Safe_local_iterator_base::_M_detach()): Likewise.
229 (_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
231 2019-09-26 Jonathan Wakely <jwakely@redhat.com>
233 * include/debug/array (to_array): Define for debug mode.
235 * include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
236 piecewise construction constructor, assignment operators, and swap.
237 * include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
238 Add _GLIBCXX20_CONSTEXPR.
239 (pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
240 * testsuite/20_util/pair/constexpr_assign.cc: New test.
241 * testsuite/20_util/pair/constexpr_swap.cc: New test.
243 * include/experimental/internet (operator==, operator<): Fix loop
244 condition to avoid reading past the end of the array.
246 * include/std/array: Remove references to profile mode.
247 * include/std/bitset: Likewise.
248 * include/std/deque: Likewise.
249 * include/std/forward_list: Likewise.
250 * include/std/list: Likewise.
251 * include/std/map: Likewise.
252 * include/std/set: Likewise.
253 * include/std/unordered_map: Likewise.
254 * include/std/unordered_set: Likewise.
255 * include/std/vector: Likewise.
256 * testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
257 * testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
259 2019-09-25 Jonathan Wakely <jwakely@redhat.com>
261 * include/bits/regex.h
262 (basic_regex::assign(const C*, size_t, flag_type)): Add default
264 * testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
265 * testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
267 2019-09-24 Jonathan Wakely <jwakely@redhat.com>
269 * include/std/variant (variant::index()): Remove impossible case.
272 * testsuite/util/testsuite_hooks.h
273 (conversion::iterator_to_const_iterator()): Do not return an invalid
274 iterator. Test direct-initialization and direct-list-initialization
275 as well as implicit conversion.
277 2019-09-23 Jonathan Wakely <jwakely@redhat.com>
279 PR libstdc++/91788 (partial)
280 * include/std/variant (variant::index()): Improve codegen for cases
281 where conversion to size_t already works correctly.
283 2019-09-23 Andreas Schwab <schwab@suse.de>
285 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
287 2019-09-12 Jonathan Wakely <jwakely@redhat.com>
290 * include/bits/stl_algo.h (for_each_n): Fix random access iterator
292 * testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
295 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
297 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
300 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
301 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
302 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
305 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
307 * include/std/type_traits (__do_common_type_impl): Implement
308 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
309 (basic_common_reference, common_reference, common_reference_t): Define
311 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
313 * testsuite/20_util/common_reference/requirements/
314 explicit_instantiation.cc: New test.
315 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
318 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
319 non-template overloads for each signed and unsigned integer type and
320 char. Define deleted overload for bool (LWG 3266).
321 * testsuite/20_util/to_chars/1_neg.cc: Remove.
322 * testsuite/20_util/to_chars/3.cc: New test.
323 * testsuite/20_util/to_chars/lwg3266.cc: New test.
325 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
327 * acinclude.m4: Handle uclinux*.
328 * configure: Regenerate.
329 * configure.host: Handle uclinux*
331 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
332 Mickaël Guêné <mickael.guene@st.com>
334 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
337 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
340 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
341 0ul being a valid null pointer constant.
343 * include/std/type_traits (__remove_cv_t): New alias template.
344 (is_void, is_integral, is_floating_point, is_pointer)
345 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
346 (is_member_point), __is_signed_integer, __is_unsigned_integer)
347 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
348 (__decay_selector): Use __remove_cv_t.
349 (remove_cv): Add partial specializations for cv-qualified types.
350 (__decay_t): New alias template.
351 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
353 (__enable_if_t): Move earlier in the file.
354 (_Require): Use __enable_if_t.
355 (swap(T&, T&)): Use _Require.
356 (swap(T(&)[N])): Use __enable_if_t.
358 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
360 Implement C++20 p1424 - 'constexpr' feature macro concerns,
361 Issue 3256 - Feature testing macro for constexpr algorithms,
362 and Issue 3257 - Missing feature testing macro update from P0858.
363 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
364 * include/bits/algorithmfwd.h: Ditto.
365 * include/std/utility: Ditto.
366 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
367 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
368 __cpp_lib_constexpr macro in <algorith>.
369 * testsuite/20_util/exchange/constexpr.cc: Add check for
370 __cpp_lib_constexpr macro in <utility>.
371 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
372 __cpp_lib_constexpr_algorithms.
373 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
374 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
375 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
376 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
377 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
378 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
379 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
380 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
381 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
382 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
383 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
384 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
385 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
386 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
387 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
388 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
389 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
390 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
391 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
392 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
393 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
394 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
395 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
396 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
397 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
398 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
399 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
400 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
401 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
402 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
403 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
404 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
405 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
406 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
407 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
408 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
409 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
410 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
411 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
412 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
413 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
414 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
415 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
416 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
417 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
418 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
419 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
420 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
421 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
422 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
423 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
424 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
425 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
427 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
429 Update docs for recent <span> and constexpr lib changes.
430 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
431 p1023r0, p1085r2 status.
432 * doc/html/manual/status.html: Regenerate.
434 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
436 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
437 final offsets with constants.
439 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
441 * include/bits/range_access.h (__adl_to_address): Remove.
442 * include/std/span (__is_base_derived_safe_convertible_v): Replace
443 with span::__is_compatible.
444 (__is_std_array_v): Replace with __is_std_array class template and
445 partial specializations.
446 (__is_std_array, __is_std_span): New class templates and partial
448 (span::__is_compatible): New alias template for SFINAE constraints.
449 (span::span(element_type (&)[N])): Remove redundant constraints. Do
450 not use __adl_data to obtain a pointer.
451 (span::span(array<value_type, N>&)): Likewise.
452 (span::span(const array<value_type, N>&)): Likewise.
453 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
454 (span::iter_value_t, span::derived_from): New alias templates for
455 SFINAE constraints, until the equivalents are supported in <concepts>
457 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
458 for SFINAE constraints.
459 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
461 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
462 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
463 Use std::to_address instead of __adl_to_address.
464 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
465 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
466 template for SFINAE constraints.
467 [!_GLIBCXX_P1394] (span::span(Container&))
468 (span::span(const Container&)): Improve constraints.
469 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
470 (span::span(pointer, pointer)): Remove redundant cast of pointer.
471 (span(const span<OType, OExtent>&)): New constructor.
473 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
475 * include/bits/range_access.h (ssize): Define for C++20.
476 * testsuite/24_iterators/range_access_cpp20.cc: New test.
477 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
478 * doc/html/*: Regenerate.
480 2019-09-06 Florian Weimer <fweimer@redhat.com>
482 * configure: Regenerate.
484 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
486 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
487 P1024R3. Remove entry for P0920R2.
488 * include/std/span (__cpp_lib_span): Change value.
489 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
491 (span): Replace __extent_storage base class with data member.
492 (span::_S_subspan_extent): New function.
493 (span::empty()): Add nodiscard attribute.
494 (span::front, span::back, span::operator[]): Check preconditions.
495 (span::first, span::last, span::subspan): Add noexcept. Improve
496 precondition checks (LWG 3103).
497 (get): Remove redundant condition from static_assert.
498 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
499 (as_writable_bytes): Add inline specifier.
500 * include/std/version (__cpp_lib_span): Change value.
501 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
502 * testsuite/23_containers/span/front_neg.cc: Likewise.
503 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
504 * testsuite/23_containers/span/last_neg.cc: Improve test.
505 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
506 * testsuite/23_containers/span/1.cc: New test.
507 * testsuite/23_containers/span/2.cc: New test.
508 * testsuite/23_containers/span/back_assert_neg.cc: New test.
509 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
510 * testsuite/23_containers/span/first_assert_neg.cc: New test.
511 * testsuite/23_containers/span/first_neg.cc: New test.
512 * testsuite/23_containers/span/front_assert_neg.cc: New test.
513 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
514 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
515 * testsuite/23_containers/span/last_assert_neg.cc: New test.
516 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
517 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
518 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
519 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
520 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
521 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
523 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
525 * include/Makefile.am: Add <span> header.
526 * include/Makefile.in: Regenerate.
527 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
528 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
529 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
530 New functions for performing argument-dependent lookup of range
531 customization points.
532 * include/bits/stl_iterator.h (__normal_iterator): Add
533 _GLIBCXX20_CONSTEXPR to all functions.
534 * include/std/span: New header.
535 * include/std/version (__cpp_lib_span): Define feature test macro.
536 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
537 * testsuite/23_containers/span/everything.cc: New test.
538 * testsuite/23_containers/span/get_neg.cc: New test.
539 * testsuite/23_containers/span/last_neg.cc: New test.
540 * testsuite/23_containers/span/subspan_neg.cc: New test.
541 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
542 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
543 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
545 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
547 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
548 * doc/html/*: Regenerate.
550 2019-09-04 Mike Crowe <mac@mcrowe.com>
553 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
554 pthread_cond_clockwait function.
555 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
556 * configure: Regenerate.
557 * config.h.in: Regenerate.
558 * include/std/condition_variable: (condition_variable): Rename
559 __steady_clock_t typedef and add system_clock. Change __clock_t to be
560 a typedef for the preferred clock to convert arbitrary other clocks to.
561 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
563 (wait_until): Change __clock_t overload to use system_clock.
564 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
565 steady_clock overload that calls pthread_cond_clockwait.
566 (__wait_until_impl): Change __clock_t overload to use system_clock.
567 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
568 steady_clock for __clock_t if pthread_cond_clockwait is available.
570 2019-09-04 Mike Crowe <mac@mcrowe.com>
572 * testsuite/30_threads/condition_variable/members/2.cc (test01):
573 Parameterise so that test can be run against an arbitrary clock.
574 (main): Test using std::chrono::steady_clock and a user-defined
575 clock in addition to the previous std::chrono::system_clock.
576 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
578 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
580 * crossconfig.m4: Remove references to spu.
581 * configure: Regenerate.
582 * doc/xml/manual/appendix_contributing.xml: Remove references
583 to __ea as "badword" for spu.
584 * doc/html/manual/source_code_style.html: Regenerate.
585 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
586 to avoid __ea (as "badword" for spu).
587 (__ellint_rj): Likewise.
589 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
592 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
593 scanning to conform to the GNU Coding Standards.
594 * configure: Regenerate.
596 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
598 * src/c++17/memory_resource.cc: Use __constinit keyword.
600 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
602 * doc/xml/manual/abi.xml: Document 9.x library versions.
603 * doc/html/*: Regenerate.
605 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
607 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
608 (__detail::__to_chars_8_len): Remove.
609 (__detail::__to_chars_8): Inline length calculation here.
610 (__detail::__from_chars_binary): Use numeric_limits instead of
613 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
615 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
616 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
617 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
618 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
621 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
623 * testsuite_files/util/testsuite_performance.h
624 (resource_counter::start): Ignore unused malloc(0) result.
626 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
628 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
629 Model Object Technologies): Adjust name and link.
631 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
633 * include/std/charconv (__detail::__to_chars_8)
634 __detail::__to_chars_16): Replace array of precomputed digits with
635 arithmetic operations to avoid CPU cache misses. Remove zero
636 termination from array of digits to allow symbol merge with generic
637 implementation of __detail::__to_chars. Replace final offsets with
638 constants. Use __detail::__to_chars_len_2 instead of a generic
639 __detail::__to_chars_len.
640 (__detail::__to_chars): Remove zero termination from array of digits.
641 (__detail::__to_chars_2): Leading digit is always '1'.
643 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
645 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
647 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
649 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
651 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
654 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
655 to template parameters.
656 * include/bits/stl_uninitialized.h (uninitialized_copy)
657 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
658 diagnose invalid uses.
659 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
660 Adjust expected error.
661 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
663 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
665 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
667 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
669 * testsuite/23_containers/vector/cons/89164.cc: New test.
670 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
672 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
675 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
676 * configure: Regenerate.
677 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
679 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
681 * testsuite/util/testsuite_abi.cc: Add new symbol version.
683 2019-08-29 Jakub Jelinek <jakub@redhat.com>
685 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
686 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
688 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
690 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
691 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
692 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
693 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
694 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
695 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
696 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
698 2019-08-23 Joseph Myers <joseph@codesourcery.com>
700 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
701 (std::filesystem::__gnu_posix::lstat): Add return type.
703 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
705 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
707 * include/std/numeric (reduce): Fix Doxygen markup.
710 * include/std/type_traits (is_function): Simplify definition. Remove
711 partial specializations for function types.
712 (__is_referenceable): Simplify definition.
713 * testsuite/20_util/bind/91371.cc: New test.
714 * testsuite/20_util/is_function/91371.cc: New test.
715 * testsuite/20_util/is_function/value.cc: Check more pointer types.
716 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
717 * testsuite/20_util/is_object/91371.cc: New test.
719 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
721 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
723 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
726 * include/bits/std_function.h (__check_func_return_type): Remove.
727 (function::_Callable): Use std::__is_invocable_impl instead of
728 __check_func_return_type.
729 * include/std/type_traits (__is_invocable_impl): Add another defaulted
730 template parameter. Define a separate partial specialization for
731 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
732 with a check that models delayed temporary materialization.
733 * testsuite/20_util/function/91456.cc: New test.
734 * testsuite/20_util/is_invocable/91456.cc: New test.
736 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
738 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
740 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
742 Implement C++20 p0879 - Constexpr for swap and swap related functions.
743 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
744 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
746 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
747 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
748 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
749 * include/bits/move.h (swap): Add constexpr.
750 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
751 (__gcd, __rotate, rotate, __partition, __heap_select)
752 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
753 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
754 (__introselect, __chunk_insertion_sort, next_permutation)
755 (prev_permutation, partition, partial_sort, nth_element, sort)
756 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
757 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
758 (swap_ranges): Add constexpr.
759 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
760 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
762 * include/std/type_traits (swap): Add constexpr.
763 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
764 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
765 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
766 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
767 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
768 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
769 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
770 * testsuite/25_algorithms/partition/constexpr.cc: New test.
771 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
772 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
773 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
774 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
775 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
776 * testsuite/25_algorithms/sort/constexpr.cc: New test.
777 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
778 * testsuite/25_algorithms/swap/constexpr.cc: New test.
779 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
781 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
784 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
786 * include/std/tuple (__unpack_std_tuple): New variable template and
787 partial specializations.
788 (apply, make_from_tuple): Add noexcept-specifier.
789 * testsuite/20_util/tuple/apply/2.cc: New test.
790 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
792 2019-08-09 Corentin Gay <gay@adacore.com>
794 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
795 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
796 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
797 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
798 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
799 Add call to `VERIFY`.
801 2019-08-09 Alexandre Oliva <oliva@adacore.com>
804 (normal_mv_distribution::param_type::param_type): New private
805 ctor taking a decomposed varcov matrix, for use by...
806 (operator>>): ... this, befriended.
807 * include/ext/random.tcc (operator>>): Use it.
808 (normal_mv_distribution::param_type::_M_init_lower): Adjust
809 member function name in exception message.
811 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
813 P0325R4 to_array from LFTS with updates
814 * include/experimental/array (to_array): Qualify call to __to_array.
815 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
816 * include/std/version (__cpp_lib_to_array): Likewise.
817 * testsuite/23_containers/array/creation/1.cc: New test.
818 * testsuite/23_containers/array/creation/2.cc: New test.
819 * testsuite/23_containers/array/creation/3_neg.cc: New test.
820 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
821 Use zero for dg-error line number.
823 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
825 P1651R0 bind_front should not unwrap reference_wrapper
826 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
827 * include/std/version (__cpp_lib_bind_front): Update value.
828 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
830 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
832 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
833 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
834 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
835 specializations for __float128.
836 * testsuite/26_numerics/numbers/float128.cc: New test.
838 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
840 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
843 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
845 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
846 in <algorithm> and <utility> Headers.
847 Implement C++20 p1023 - constexpr comparison operators for std::array.
848 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
849 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
850 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
851 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
852 none_of, partition_copy, partition_point, remove, remove_if,
853 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
854 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
855 count_if, equal, find, find_first_of, find_if, for_each, generate,
856 generate_n, lexicographical_compare, merge, mismatch, replace,
857 replace_if, search, search_n, set_difference, set_intersection,
858 set_symmetric_difference, set_union, transform, unique_copy):
860 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
861 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
862 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
863 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
864 Use const ref instead of ref arg;
865 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
866 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
867 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
868 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
869 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
870 __iter_comp_iter): Mark constexpr.
871 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
872 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
873 none_of, any_of, find_if_not, is_partitioned, partition_point,
874 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
875 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
876 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
877 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
878 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
879 __equal_range, equal_range, binary_search, __includes, includes,
880 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
881 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
882 is_sorted_until, __is_permutation, is_permutation, for_each, find,
883 find_if, find_first_of, adjacent_find, count, count_if, search,
884 search_n, transform, replace, replace_if, generate, generate_n,
885 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
886 set_intersection, __set_difference, set_difference,
887 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
888 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
889 wrappers around __builtin_memmove and __builtin_memcmp
891 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
892 copy, move, __copy_move_b, __copy_move_backward_a,
893 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
894 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
895 __lexicographical_compare_impl, __lexicographical_compare,
896 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
897 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
898 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
899 is_heap): Mark constexpr.
900 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
901 is_heap): Mark constexpr.
902 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
903 * include/std/array: Make comparison ops constexpr.
904 * include/std/utility: Make exchange constexpr.
905 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
906 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
907 * testsuite/23_containers/array/tuple_interface/
908 tuple_element_neg.cc: Adjust.
909 * testsuite/20_util/exchange/constexpr.cc: New.
910 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
911 * testsuite/25_algorithms/constexpr_macro.cc: New.
912 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
913 * testsuite/25_algorithms/all_of/constexpr.cc: New.
914 * testsuite/25_algorithms/any_of/constexpr.cc: New.
915 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
916 * testsuite/25_algorithms/copy/constexpr.cc: New.
917 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
918 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
919 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
920 * testsuite/25_algorithms/count/constexpr.cc: New.
921 * testsuite/25_algorithms/count_if/constexpr.cc: New.
922 * testsuite/25_algorithms/equal/constexpr.cc: New.
923 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
924 * testsuite/25_algorithms/fill/constexpr.cc: New.
925 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
926 * testsuite/25_algorithms/find/constexpr.cc: New.
927 * testsuite/25_algorithms/find_end/constexpr.cc: New.
928 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
929 * testsuite/25_algorithms/find_if/constexpr.cc: New.
930 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
931 * testsuite/25_algorithms/for_each/constexpr.cc: New.
932 * testsuite/25_algorithms/generate/constexpr.cc: New.
933 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
934 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
935 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
936 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
937 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
938 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
939 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
940 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
941 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
942 * testsuite/25_algorithms/merge/constexpr.cc: New.
943 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
944 * testsuite/25_algorithms/none_of/constexpr.cc: New.
945 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
946 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
947 * testsuite/25_algorithms/remove/constexpr.cc: New.
948 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
949 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
950 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
951 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
952 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
953 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
954 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
955 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
956 * testsuite/25_algorithms/search/constexpr.cc: New.
957 * testsuite/25_algorithms/search_n/constexpr.cc: New.
958 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
959 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
960 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
961 * testsuite/25_algorithms/set_union/constexpr.cc: New.
962 * testsuite/25_algorithms/transform/constexpr.cc: New.
963 * testsuite/25_algorithms/unique/constexpr.cc: New.
964 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
965 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
967 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
969 * include/std/memory (make_obj_using_allocator): Qualify call to
970 uses_allocator_construction_args.
972 P0631R4 Math Constants
973 * include/Makefile.am: Add new header.
974 * include/Makefile.in: Regenerate.
975 * include/precompiled/stdc++.h: Include new header.
976 * include/std/numbers: New header.
977 * include/std/version (__cpp_lib_math_constants): Define.
978 * testsuite/26_numerics/numbers/1.cc: New test.
979 * testsuite/26_numerics/numbers/2.cc: New test.
980 * testsuite/26_numerics/numbers/3.cc: New test.
981 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
983 * include/std/bit: Add Doxygen comments.
986 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
987 constraints on deleter that should only apply to the constructor.
988 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
989 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
990 constraints on deleter here.
991 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
993 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
996 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
998 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
1000 * testsuite/18_support/51333.cc: New test.
1002 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
1004 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
1005 to the Doxygen manual. Avoid a "here" link on the way.
1006 Fix another broken link to Doxygen docblocks.
1008 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
1010 * include/std/bit (__cpp_lib_endian): Define.
1011 * include/std/version (__cpp_lib_endian): Define.
1012 * testsuite/26_numerics/endian/2.cc: New.
1013 * testsuite/26_numerics/endian/3.cc: New.
1014 * testsuite/26_numerics/endian/4.cc: New.
1016 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
1018 * testsuite/util/testsuite_iterators.h
1019 (bidirectional_iterator_wrapper): Fix type comment.
1020 (random_access_iterator_wrapper): Likewise.
1022 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
1024 * include/std/bit (endian): Move definition here as per P1612R1.
1025 * include/std/type_traits (endian): Remove definition from here.
1026 * testsuite/20_util/endian/1.cc: Rename to ...
1027 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
1029 2019-07-25 Martin Liska <mliska@suse.cz>
1030 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
1033 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
1034 -fno-allocation-dce.
1035 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
1036 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
1037 * testsuite/ext/new_allocator/check_new.cc: Likewise.
1039 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
1041 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
1042 * testsuite/26_numerics/bit/bit.count/*: Here.
1044 * include/std/bit (__rotl, __rotr): Change second parameter from
1045 unsigned int to int and handle negative values.
1046 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
1047 parameter from unsigned int to int. Add nodiscard attribute.
1048 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
1049 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
1051 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
1052 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
1055 * include/std/bit (__ceil2): Make unrepresentable results undefined,
1056 as per P1355R2. Add debug assertion. Perform one left shift, not two,
1057 so that out of range values cause undefined behaviour. Ensure that
1058 shift will still be undefined if left operand is promoted.
1059 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
1060 unrepresentable values with checks that they are not core constant
1062 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
1064 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
1066 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
1067 sized deallocation size computation.
1069 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
1071 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
1073 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
1075 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
1076 (~_Temporary_buffer()): Use latter.
1077 (_Temporary_buffer(_FIterator, size_type)): Likewise.
1079 2019-07-17 Andreas Schwab <schwab@suse.de>
1081 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1083 2019-07-16 Jason Merrill <jason@redhat.com>
1085 * include/std/memory (uses_allocator_construction_args): Add parens
1088 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
1090 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
1092 * include/experimental/string_view (__detail::__idt): Remove.
1093 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1094 Use __type_identity_t instead of __detail::__idt;
1095 * include/std/string_view (__detail::__idt): Remove.
1096 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1097 Use __type_identity_t instead of __detail::__idt;
1098 * include/std/type_traits (__type_identity_t): New alias template.
1100 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
1101 and floating point atomics.
1103 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
1105 * doc/xml/manual/configure.xml: Improve documentation of
1106 --enable-libstdcxx-time option.
1108 * include/bits/atomic_base.h (__atomic_impl): New namespace for
1109 wrappers around atomic built-ins.
1110 (__atomic_float, __atomic_ref): New class templates for use as base
1112 * include/std/atomic (atomic<float>, atomic<double>)
1113 (atomic<long double>): New explicit specializations.
1114 (atomic_ref): New class template.
1115 (__cpp_lib_atomic_ref): Define.
1116 * include/std/version (__cpp_lib_atomic_ref): Define.
1117 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
1118 * testsuite/29_atomics/atomic_float/1.cc: New test.
1119 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
1120 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
1121 * testsuite/29_atomics/atomic_ref/float.cc: New test.
1122 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
1123 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
1124 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
1125 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
1127 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
1129 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
1130 throw() with _GLIBCXX_NOTHROW.
1131 (__atomic_add_dispatch): Return after performing atomic increment.
1133 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
1135 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
1136 (__exchange_and_add): Replace static specifier with always_inline
1138 (__exchange_and_add_single, __atomic_add_single): Likewise.
1139 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
1140 combine !__gthread_active_p() and !__GTHREADS branches.
1142 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
1145 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
1146 * configure: Regenerate.
1147 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
1149 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
1150 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1152 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
1154 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
1155 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
1156 instead of __is_identifier to detect Clang support.
1158 2019-07-02 Jim Wilson <jimw@sifive.com>
1160 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
1162 * configure: Regenerate.
1164 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
1167 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
1168 for the what_arg parameters.
1169 (filesystem_error::filesystem_error): Pass system_error::what() to
1170 the _Impl constructor.
1171 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
1172 filesystem_error::what() contains system_error::what().
1174 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
1176 * include/std/charconv (chars_format): Define bitmask type.
1177 * testsuite/20_util/to_chars/chars_format.cc: New test.
1179 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
1180 * include/std/bit (_If_is_unsigned_integer_type): Remove.
1181 (_If_is_unsigned_integer): Use __is_unsigned_integer.
1182 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
1183 (countl_one(byte), countr_zero(byte), countr_one(byte))
1184 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
1185 (log2p1(byte)): Remove.
1186 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
1187 (__detail::__is_int_to_chars_type): Remove.
1188 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
1189 and __is_unsigned_integer.
1190 * include/std/type_traits (__is_one_of): Move here from <charconv>.
1191 (__is_signed_integer, __is_unsigned_integer): New helpers.
1192 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
1194 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
1195 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
1196 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
1197 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
1198 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1199 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1200 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1201 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1202 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
1203 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
1205 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
1207 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
1210 2019-06-25 Jakub Jelinek <jakub@redhat.com>
1212 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1213 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1214 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1215 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1217 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
1219 * include/std/numeric (midpoint(T, T)): Change implementation for
1220 floating-point types to avoid incorrect rounding of denormals.
1221 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
1222 rounding with denormals.
1223 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
1224 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1226 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
1228 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
1230 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
1232 * configure: Regenerate.
1234 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
1235 Qualify calls to __never_valueless.
1237 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
1238 C++17 working draft.
1240 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
1241 vector<bool> for test.
1242 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1244 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1246 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
1248 (istream_iterator::_M_read()): Do not check stream state before
1249 attempting extraction. Set stream pointer to null when extraction
1251 (operator==(const istream_iterator&, const istream_iterator&)): Change
1252 to be a hidden friend of istream_iterator.
1253 (operator!=(const istream_iterator&, const istream_iterator&)):
1255 (ostream_iterator::ostream_iterator()): Add default constructor.
1256 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
1258 * testsuite/24_iterators/istream_iterator/1.cc: New test.
1259 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
1260 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
1261 constructor taking a string.
1262 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
1265 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
1266 Jonathan Wakely <jwakely@redhat.com>
1269 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
1270 values of type bool for vector<bool> elements.
1271 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
1272 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1274 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1276 PR libstdc++/90920 partially revert r263433
1277 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
1278 (rotate): Remove checks.
1279 * testsuite/25_algorithms/rotate/90920.cc: New test.
1281 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
1282 category used in invocable check.
1283 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
1284 * testsuite/26_numerics/reduce/2.cc: New test.
1286 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
1288 * include/bits/algorithmfwd.h: Change title of doc group.
1289 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
1291 * include/bits/stl_numeric.h: Define doc group and add algos to it.
1292 * include/std/numeric (__is_random_access_iter): New internal trait.
1293 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
1294 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
1295 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
1296 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
1297 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
1298 * testsuite/26_numerics/reduce/1.cc: New test.
1299 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
1300 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
1301 * testsuite/26_numerics/transform_reduce/1.cc: New test.
1302 * testsuite/util/testsuite_iterators.h (test_container::size()): New
1305 * include/c_global/cstddef (std::byte): Perform arithmetic operations
1306 in unsigned int to avoid promotion (LWG 2950).
1308 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1310 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
1313 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
1315 PR libstdc++/90281 Fix string conversions for filesystem::path
1316 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1317 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
1318 __str_codecvt_in_all to fail for partial conversions and throw on
1320 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
1321 (path::_Cvt<char8_t>): Add explicit specialization.
1322 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
1324 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1325 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
1326 instead of codecvt_utf8. Use __str_codecvt_in_all and
1327 __str_codecvt_out_all.
1328 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1329 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1330 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1331 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1332 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
1333 after converting to UTF-8.
1334 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
1335 __str_codecvt_in_all.
1336 (path::string): Fix initialization of string types with different
1338 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1339 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1340 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
1342 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
1343 return false for partial conversions.
1344 * include/experimental/bits/fs_path.h (u8path):
1345 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
1346 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
1347 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
1348 instead of codecvt_utf8. Use __str_codecvt_in_all and
1349 __str_codecvt_out_all.
1350 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1351 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1352 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1353 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1354 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
1355 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1356 __str_codecvt_in_all.
1357 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1358 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1359 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
1360 __str_codecvt_in_all.
1361 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
1362 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
1363 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
1364 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
1365 strings and with Unicode characters outside the basic multilingual
1367 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
1368 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
1369 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
1370 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
1371 * testsuite/experimental/filesystem/path/native/string.cc: Test with
1372 empty strings and with Unicode characters outside the basic
1375 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
1376 Jonathan Wakely <jwakely@redhat.com>
1378 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
1379 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
1380 deallocate node if insertion fails.
1381 (_Hashtable::_M_insert_multi_node): Likewise.
1382 (_Hashtable::_M_reinsert_node): Pass additional key argument.
1383 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
1384 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
1385 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
1386 (_Hashtable::extract(const _Key&)): Likewise.
1387 (_Hashtable::_M_merge_unique): Pass additional key argument.
1388 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
1390 (_Hashtable::_M_insert): Likewise.
1391 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
1392 (_Hashtable_alloc): Add comments to functions with misleading names.
1394 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1396 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
1398 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
1399 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
1400 header for std::allocator.
1401 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
1402 using-declaration for std::size_t.
1403 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
1405 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
1407 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
1408 * testsuite/experimental/map/erasure.cc: Include <string> for
1410 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
1412 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
1414 * include/experimental/type_traits (experimental::nonesuch): Use
1415 pragma to disable -Wctor-dtor-privacy warnings.
1416 * include/std/type_traits (__is_convertible_helper<From, To, false>)
1417 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
1419 * include/std/version (__cpp_lib_bind_front): Add missing macro.
1421 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
1423 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
1424 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
1425 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
1426 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
1428 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
1429 (variant::emplace): Change static_assert messages from "should be"
1431 (hash<monostate>::operator()): Remove name of unused parameter.
1433 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
1436 * include/Makefile.am: Add new <bits/charconv.h> header.
1437 * include/Makefile.in: Regenerate.
1438 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
1439 (to_string(long), to_string(unsigned long), to_string(long long))
1440 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
1441 * include/bits/charconv.h: New header.
1442 (__detail::__to_chars_len): Move here from <charconv>.
1443 (__detail::__to_chars_10_impl): New function extracted from
1444 __detail::__to_chars_10.
1445 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
1446 (__to_chars_unsigned_type): New class template that reuses
1447 __make_unsigned_selector_base::__select to pick a type.
1448 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
1449 (__detail::__to_chars_len): Move to new header.
1450 (__detail::__to_chars_10): Add inline specifier. Move code doing the
1451 output to __detail::__to_chars_10_impl and call that.
1452 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
1453 * testsuite/21_strings/basic_string/numeric_conversions/char/
1454 to_string.cc: Fix reference in comment. Remove unused variable.
1455 * testsuite/21_strings/basic_string/numeric_conversions/char/
1456 to_string_int.cc: New test.
1458 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1460 Fix ConstexprIterator requirements tests - No constexpr algorithms!
1461 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1462 Replace copy with hand-rolled loop.
1463 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1466 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
1468 Test for C++20 p0858 - ConstexprIterator requirements.
1469 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1471 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1474 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
1476 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
1478 * include/bits/c++config: Rename all macros of the form __PSTL* to
1480 * include/std/algorithm: Likewise.
1481 * include/std/execution: Likewise.
1482 * include/std/numeric: Likewise.
1483 * include/std/memory: Likewise.
1484 * include/pstl/glue_memory_impl.h: Likewise.
1485 * include/pstl/numeric_impl.h: Likewise.
1486 * include/pstl/glue_memory_defs.h: Likewise.
1487 * include/pstl/execution_defs.h: Likewise.
1488 * include/pstl/utils.h: Likewise.
1489 * include/pstl/algorithm_fwd.h: Likewise.
1490 * include/pstl/unseq_backend_simd.h: Likewise.
1491 * include/pstl/glue_execution_defs.h: Likewise.
1492 * include/pstl/algorithm_impl.h: Likewise.
1493 * include/pstl/parallel_impl.h: Likewise.
1494 * include/pstl/memory_impl.h: Likewise.
1495 * include/pstl/glue_numeric_defs.h: Likewise.
1496 * include/pstl/parallel_backend_utils.h: Likewise.
1497 * include/pstl/glue_algorithm_defs.h: Likewise.
1498 * include/pstl/parallel_backend.h: Likewise.
1499 * include/pstl/glue_numeric_impl.h: Likewise.
1500 * include/pstl/parallel_backend_tbb.h: Likewise.
1501 * include/pstl/numeric_fwd.h: Likewise.
1502 * include/pstl/glue_algorithm_impl.h: Likewise.
1503 * include/pstl/execution_impl.h: Likewise.
1504 * include/pstl/pstl_config.h: Likewise.
1505 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1506 * testsuite/util/pstl/test_utils.h: Likewise.
1507 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1509 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1511 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1513 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
1514 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
1515 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
1516 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
1517 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1519 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
1520 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
1521 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
1522 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
1523 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1525 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
1526 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
1527 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
1528 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
1529 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1531 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
1532 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
1533 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1535 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1537 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
1538 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1539 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1541 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1543 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
1545 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
1547 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
1549 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
1551 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
1553 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
1555 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
1557 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
1559 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
1561 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
1563 Rename header guards to be consistent with upstream project's
1565 * include/pstl/glue_memory_impl.h: Rename all macros of the form
1566 _PSTL_(.*)_H to _PSTL_\U\1_H.
1567 * include/pstl/numeric_impl.h: Likewise.
1568 * include/pstl/glue_memory_defs.h: Likewise.
1569 * include/pstl/execution_defs.h: Likewise.
1570 * include/pstl/utils.h: Likewise.
1571 * include/pstl/algorithm_fwd.h: Likewise.
1572 * include/pstl/unseq_backend_simd.h: Likewise.
1573 * include/pstl/glue_execution_defs.h: Likewise.
1574 * include/pstl/algorithm_impl.h: Likewise.
1575 * include/pstl/parallel_impl.h: Likewise.
1576 * include/pstl/memory_impl.h: Likewise.
1577 * include/pstl/glue_numeric_defs.h: Likewise.
1578 * include/pstl/parallel_backend_utils.h: Likewise.
1579 * include/pstl/glue_algorithm_defs.h: Likewise.
1580 * include/pstl/parallel_backend.h: Likewise.
1581 * include/pstl/glue_numeric_impl.h: Likewise.
1582 * include/pstl/parallel_backend_tbb.h: Likewise.
1583 * include/pstl/numeric_fwd.h: Likewise.
1584 * include/pstl/glue_algorithm_impl.h: Likewise.
1585 * include/pstl/execution_impl.h: Likewise.
1586 * include/pstl/pstl_config.h: Likewise.
1587 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1589 Synchronize libstdc++ parallel algorithms with upstream
1591 * include/pstl/algorithm_fwd.h: Synchronize with
1592 upstream PSTL project.
1593 * include/pstl/algorithm_impl.h: Likewise.
1594 * include/pstl/execution_defs.h: Likewise.
1595 * include/pstl/execution_impl.h: Likewise.
1596 * include/pstl/glue_algorithm_impl.h: Likewise.
1597 * include/pstl/glue_execution_defs.h: Likewise.
1598 * include/pstl/numeric_fwd.h: Likewise.
1599 * include/pstl/numeric_impl.h: Likewise.
1600 * include/pstl/parallel_backend.h: Likewise.
1601 * include/pstl/pstl_config.h: Likewise.
1602 * include/pstl/unseq_backend_simd.h: Likewise.
1603 * include/pstl/parallel_backend_serial.h: New file.
1604 * include/Makefile.am (pstl_headers): Add
1605 parallel_backend_serial.h.
1606 * include/Makefile.in: Regenerate.
1608 Clean up non-conforming names
1609 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
1610 Uglfiy copy_range1 and copy_range2
1611 (__pattern_walk2_n): Rename local n to __n
1612 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
1613 Rename parameter _T to _Tp.
1615 Integrate non-TBB serial backend support
1616 * include/bits/c++config: Adjust TBB detection logic to select serial
1617 PSTL backend if no TBB present.
1618 * testsuite/utils/pstl/test_utils.h: Remove check for
1619 _PSTL_USE_PAR_POLICIES
1621 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
1623 * testsuite/24_iterators/container_access.cc: Move dg-options before
1624 dg-do directive so the target check uses the -std option.
1627 * configure: Regenerate.
1628 * src/Makefile.am (stamp-debug): Also test for missing makefile.
1629 * src/Makefile.in: Regenerate.
1631 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
1633 * include/std/array: Do not include <stdexcept>.
1634 * include/std/optional: Include <exception> and
1635 <bits/exception_defines.h> instead of <stdexcept>.
1636 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
1638 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
1640 * testsuite/23_containers/map/erasure.cc: Include <string>.
1641 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
1643 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
1644 dg-prune-output for different C++98 diagnostic.
1645 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
1647 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
1649 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
1651 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
1653 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
1655 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
1657 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
1659 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
1661 * testsuite/23_containers/vector/requirements/dr438/
1662 constructor_1_neg.cc: Likewise.
1663 * testsuite/23_containers/vector/requirements/dr438/
1664 constructor_2_neg.cc: Likewise.
1665 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
1667 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
1669 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
1670 Do not test allocator rebinding extension for C++2a.
1671 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
1672 dg-do directive for C++17 and C++2a.
1674 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1675 1_c++0x.cc: Remove redundant test.
1676 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1677 2.cc: Use target selector instead of preprocessor condition.
1678 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1679 3.cc: Do not run test for C++2a.
1680 * testsuite/23_containers/forward_list/requirements/
1681 explicit_instantiation/3.cc: Likewise.
1682 * testsuite/23_containers/forward_list/requirements/
1683 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1685 * testsuite/23_containers/list/requirements/explicit_instantiation/
1686 1_c++0x.cc: Remove redundant test.
1687 * testsuite/23_containers/list/requirements/explicit_instantiation/
1688 2.cc: Use target selector instead of preprocessor condition.
1689 * testsuite/23_containers/list/requirements/explicit_instantiation/
1690 3.cc: Do not run test for C++2a.
1691 * testsuite/23_containers/list/requirements/explicit_instantiation/
1692 5.cc: Do not test allocator rebinding extension for C++2a.
1693 * testsuite/23_containers/map/requirements/explicit_instantiation/
1694 1_c++0x.cc: Remove redundant test.
1695 * testsuite/23_containers/map/requirements/explicit_instantiation/
1696 2.cc: Adjust comment.
1697 * testsuite/23_containers/map/requirements/explicit_instantiation/
1698 3.cc: Do not run test for C++2a.
1699 * testsuite/23_containers/map/requirements/explicit_instantiation/
1700 5.cc: Do not test allocator rebinding extension for C++2a.
1701 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1702 1_c++0x.cc: Remove redundant test.
1703 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1704 3.cc: Do not run test for C++2a.
1705 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1706 5.cc: Do not test allocator rebinding extension for C++2a.
1707 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1708 3.cc: Do not run test for C++2a.
1709 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1710 5.cc: Do not test allocator rebinding extension for C++2a.
1711 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
1712 Do not run test for C++2a.
1713 * testsuite/23_containers/set/requirements/explicit_instantiation/
1714 1_c++0x.cc: Remove redundant test.
1715 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
1716 Do not test allocator rebinding extension for C++2a.
1717 * testsuite/23_containers/unordered_map/requirements/
1718 explicit_instantiation/3.cc: Likewise.
1719 * testsuite/23_containers/unordered_map/requirements/
1720 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1722 * testsuite/23_containers/unordered_multimap/requirements/
1723 explicit_instantiation/3.cc: Do not run test for C++2a.
1724 * testsuite/23_containers/unordered_multimap/requirements/
1725 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1727 * testsuite/23_containers/unordered_multiset/requirements/
1728 explicit_instantiation/3.cc: Do not run test for C++2a.
1729 * testsuite/23_containers/unordered_multiset/requirements/
1730 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1732 * testsuite/23_containers/unordered_set/requirements/
1733 explicit_instantiation/3.cc: Do not run test for C++2a.
1734 * testsuite/23_containers/unordered_set/requirements/
1735 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1737 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1738 2.cc: Remove redundant test.
1739 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1740 3.cc: Do not run test for C++2a.
1741 * testsuite/23_containers/vector/requirements/explicit_instantiation/
1744 * include/std/type_traits (is_empty, is_polymorphic, is_final)
1745 (is_abstract, is_aggregate): Remove static_assert.
1746 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
1748 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
1749 missing -std=gnu++17 option.
1750 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
1751 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
1752 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
1755 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
1756 * testsuite/18_support/set_unexpected.cc: Likewise.
1757 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
1759 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
1760 function to be valid in C++11.
1761 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
1762 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
1763 include Library Fundamentals or Networking headers in C++11 mode.
1764 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
1766 * include/std/tuple (_TC): Replace with _TupleConstraints.
1767 (_TupleConstraints): New helper for SFINAE constraints, with more
1768 expressive member functions to reduce duplication when used.
1769 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
1770 (tuple::_TCC): Replace dummy type parameter with bool non-type
1771 parameter that can be used to check the pack size.
1772 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
1773 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
1774 checking constraints in constructors.
1775 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
1777 (tuple::tuple): Use new helpers to reduce repitition in constraints.
1778 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
1779 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
1780 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
1781 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
1782 constraints in constructors.
1783 (tuple::__is_alloc_arg()): New SFINAE helpers.
1784 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
1786 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
1787 * testsuite/20_util/tuple/cons/90700.cc: New test.
1788 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
1789 to meet new constraint on allocator-extended default constructor.
1791 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1793 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
1794 * include/bits/stl_multimap.h (multimap): Likewise.
1796 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
1798 Rename variables and cleanup comments.
1799 * include/bits/hashtable_policy.h
1800 * include/bits/hashtable.h
1802 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1804 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
1805 Fix bgcolor for P0340R3.
1806 * doc/html/*: Regenerate.
1809 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
1810 <experimental/memory_resource>.
1811 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
1812 P0339R6, P0340R3, P1164R1 and P1357R1.
1813 * doc/html/*: Regenerate.
1815 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
1816 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
1817 allocator::value_type assertion for C++2a.
1818 * include/bits/hashtable.h: Likewise.
1819 * include/bits/stl_deque.h: Likewise.
1820 * include/bits/stl_list.h: Likewise.
1821 * include/bits/stl_map.h: Likewise.
1822 * include/bits/stl_multimap.h: Likewise.
1823 * include/bits/stl_multiset.h: Likewise.
1824 * include/bits/stl_set.h: Likewise.
1825 * include/bits/stl_vector.h: Likewise.
1826 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
1827 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
1828 * testsuite/23_containers/list/48101-3_neg.cc: New test.
1829 * testsuite/23_containers/map/48101-3_neg.cc: New test.
1830 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
1831 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
1832 * testsuite/23_containers/set/48101-3_neg.cc: New test.
1833 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
1834 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
1835 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
1836 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
1837 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
1839 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
1841 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
1843 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1845 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
1847 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
1849 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
1851 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1853 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
1856 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
1857 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
1858 * libsupc++/eh_term_handler.h: New header defining
1859 _GLIBCXX_DEFAULT_TERM_HANDLER.
1860 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
1861 (set_terminate): Restore default handler when argument is null.
1862 (set_unexpected): Likewise.
1863 * testsuite/18_support/set_terminate.cc: New test.
1864 * testsuite/18_support/set_unexpected.cc: New test.
1866 * include/backward/hashtable.h (size_t, ptrdiff_t)
1867 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
1868 (distance, vector, pair, __iterator_category): Remove
1869 using-declarations that add these names to namespace __gnu_cxx.
1870 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
1871 * include/ext/debug_allocator.h (size_t): Likewise.
1872 * include/ext/functional (size_t, unary_function, binary_function)
1873 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
1875 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
1876 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
1877 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
1878 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
1879 * include/ext/numeric (iota): Fix outdated comment.
1880 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
1881 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
1882 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
1883 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
1884 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
1886 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
1887 (allocator, __true_type, __false_type): Likewise.
1889 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
1892 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
1893 New helpers for checking preconditions in traits.
1894 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
1895 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
1896 (is_destructible, is_nothrow_destructible, is_constructible)
1897 (is_default_constructible, is_copy_constructible)
1898 (is_move_constructible, is_nothrow_default_constructible)
1899 (is_nothrow_constructible, is_nothrow_copy_constructible)
1900 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
1901 (is_nothrow_assignable, is_nothrow_copy_assignable)
1902 (is_nothrow_move_assignable, is_trivially_constructible)
1903 (is_trivially_copy_constructible, is_trivially_move_constructible)
1904 is_trivially_assignable, is_trivially_copy_assignable)
1905 (is_trivially_move_assignable, is_trivially_destructible)
1906 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
1907 (is_invocable_r, is_nothrow_invocable)
1908 (has_unique_object_representations, is_aggregate): Add static_asserts
1909 to make sure that type traits are not misused with incomplete types.
1910 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
1911 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
1912 base characteristics without assertions that can be reused in other
1914 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
1915 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
1917 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
1918 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
1919 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
1920 * testsuite/20_util/is_class/value.cc: Check incomplete type.
1921 * testsuite/20_util/is_function/value.cc: Likewise.
1922 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
1923 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
1925 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
1926 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
1927 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1928 * testsuite/20_util/is_union/value.cc: Likewise.
1929 * testsuite/20_util/is_void/value.cc: Likewise.
1930 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
1932 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1934 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
1935 Add new private member function.
1936 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
1937 (random_device::_M_init_pretr1(const string&)): Call new private
1938 member with string data.
1939 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
1941 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
1942 test using COW strings.
1943 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
1944 a value from the device.
1945 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
1946 Fix typo in token string.
1948 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
1950 LWG2788 basic_string spurious use of a default constructible allocator
1951 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
1952 (basic_string::_M_replace_dispatch): Construct temporary string with
1953 the current allocator.
1954 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
1955 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
1957 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
1959 * doc/xml/manual/diagnostics.xml: Update list of headers that define
1961 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
1962 section about new/delete overloads. Improve section on verbose
1964 * doc/html/*: Regenerate.
1966 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
1967 P0811R3. Change status of P1353R0.
1968 * doc/html/*: Regenerate.
1970 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
1971 documentation of implementation-defined types for [thread.req.native].
1972 * doc/xml/manual/status_cxx2017.xml: Update documentation of
1973 implementation-defined strings for [variant.bad.access]. Fix typo in
1974 documentation of implementation-defined support for [fs.conform.9945].
1975 * doc/html/*: Regenerate.
1977 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
1980 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
1981 that fails on mingw-w64.
1984 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
1985 (status(const path&, error_code&)): Use parent_path() to remove
1987 (symlink_status(const path&, error_code&)): Duplicate workaround for
1988 bug in _wstat for paths with trailing slash.
1989 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
1990 with trailing slash.
1991 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
1992 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
1994 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
1995 once instead of building it iteratively.
1997 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
1999 PR libstdc++/85494 use rdseed and rand_s in std::random_device
2000 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
2001 the assembler supports rdseed.
2002 * config.h.in: Regenerate.
2003 * configure: Regenerate.
2004 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
2005 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
2006 * doc/html/*: Regenerate.
2007 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
2008 * include/bits/random.h (random_device::random_device()): Always call
2009 _M_init rather than _M_init_pretr1.
2010 (random_device::random_device(const string&)): Likewise.
2011 (random_device::operator()()): Always call _M_getval().
2012 (random_device::_M_file): Replace first member of union with an
2013 anonymous struct, with _M_file as its first member.
2014 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
2015 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
2016 (USE_MT19937): Define if none of the above are defined.
2017 (USE_POSIX_FILE_IO): Define.
2018 (_M_strtoul): Remove.
2019 [USE_RDSEED] (__x86_rdseed): Define new function.
2020 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
2021 (random_device::_M_init(const string&)): Initialize new union members.
2022 Add support for "rdseed" and "rand_s" tokens. Decide what the
2023 "default" token does according to which USE_* macros are defined.
2024 [USE_POSIX_FILE_IO]: Store a file descriptor.
2025 [USE_MT19937]: Forward to _M_init_pretr1 instead.
2026 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
2027 code from _M_strtoul.
2028 [!USE_MT19937]: Call _M_init, transforming the old default token or
2029 numeric tokens to "default".
2030 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
2031 (random_device::_M_getval()): Use new union members to obtain a
2032 random number from the stored function pointer or file descriptor.
2033 [USE_MT19937]: Obtain a value from the mt19937 engine.
2034 (random_device::_M_getval_pretr1()): Call _M_getval().
2035 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
2037 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
2038 * testsuite/26_numerics/random/random_device/85494.cc: New test.
2040 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
2043 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
2044 _M_split_cmpts() for a path with multiple components.
2045 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
2046 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
2047 components and reserve space in vector. Return early when there is
2049 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
2050 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
2052 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
2053 form of std::equals for C++11 compatibility.
2055 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
2057 * doc/xml/manual/appendix_contributing.xml: Update pointer to
2058 C++ standard at ansi.org.
2060 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
2062 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
2063 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
2066 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
2067 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
2069 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2071 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
2073 * testsuite/20_util/function_objects/invoke/3.cc: New test.
2074 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2075 "compile" test to "run".
2077 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
2078 * doc/html/*: Regenerate.
2079 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
2080 rvalue aliasing constructor.
2081 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
2082 (reinterpret_pointer_cast): Add overloads taking rvalues.
2083 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
2084 Add rvalue aliasing constructor.
2085 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
2086 "run" and check return values as well as types.
2087 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
2088 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
2089 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
2090 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
2093 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
2094 * doc/xml/manual/intro.xml: Likewise.
2095 * include/std/future (__create_task_state): Add default arguments
2096 to make providing an allocator optional.
2097 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
2098 instead of delegating to another constructor.
2099 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
2100 define allocator-extended constructors for C++17 and later.
2101 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
2103 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2104 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2105 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2107 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
2109 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
2110 Don't run the libstdc++/83237 part on simulator targets.
2112 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2114 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
2116 * doc/html/*: Regenerate.
2118 * include/experimental/any (__any_caster): Use RTTI if comparing
2119 addresses fails, to support non-unique addresses in shared libraries.
2120 * include/std/any (__any_caster): Likewise.
2123 * include/experimental/any (__any_caster): Constrain to only be
2124 callable for object types. Use remove_cv_t instead of decay_t.
2125 If the type decays or isn't copy constructible, compare the manager
2126 function to a dummy specialization.
2127 (__any_caster): Add overload constrained for non-object types.
2128 (any::_Manager_internal<_Op>): Add dummy specialization.
2129 * testsuite/experimental/any/misc/any_cast.cc: Test function types
2132 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
2135 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
2136 reversed arguments to uninitialized_copy_n.
2137 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
2138 is unchanged by copy assignment.
2139 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
2140 compare path components.
2143 * include/experimental/memory_resource: Add system header pragma and
2144 do not define anything unless compiled as C++14 or later.
2145 (__resource_adaptor_common::__guaranteed_alignment): Remove.
2146 (__resource_adaptor_imp::do_allocate): If the requested alignment
2147 is a fundamental alignment then either allocate directly from _M_alloc
2148 or call the new _M_allocate function.
2149 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
2150 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
2151 of the allocator rebound to a POD type with the specified alignment.
2152 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
2153 * testsuite/experimental/memory_resource/new_delete_resource.cc:
2154 Adjust expected allocation sizes.
2155 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
2156 xfail for Solaris x86.
2158 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
2160 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
2161 * include/pstl/execution_defs.h (__enable_if_execution_policy):
2162 Use std::__remove_cvref_t when building with GCC.
2164 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
2167 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2168 Use "additional_flags" to pass -ltbb to v3_target_compile command.
2169 Use check_v3_target_prop_cached to cache the result of the test.
2171 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
2173 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2176 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2177 Changed v3_target_compile check from preprocess to executable.
2178 Added "-ltbb" to v3_target_compile flags.
2180 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2182 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2183 Add check for Thread Building Blocks 2018 or later.
2185 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2187 * testsuite/experimental/names.cc: Only include Networking TS headers
2188 on targets with the necessary Gthreads support.
2190 2019-05-20 Marek Polacek <polacek@redhat.com>
2192 CWG 2094 - volatile scalars are trivially copyable.
2194 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
2195 result for volatile int.
2197 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2199 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
2200 * testsuite/experimental/names.cc: Include <experimental/filesystem>
2203 PR c++/90532 Ensure __is_constructible(T[]) is false
2204 * include/std/type_traits (__do_is_default_constructible_impl)
2205 (__is_default_constructible_atom, __is_default_constructible_safe):
2207 (is_default_constructible): Use is_constructible.
2208 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
2209 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
2210 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
2211 * testsuite/20_util/is_trivially_default_constructible/value.cc:
2214 2019-05-20 Pádraig Brady <pbrady@fb.com>
2216 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
2217 to the deallocator with -fsized-deallocation.
2219 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2221 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
2222 test by passing correct alignment to deallocate function.
2224 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
2227 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2228 Raise exception if unique_ptr tuple member has unknown structure.
2229 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
2230 Adjust worker to support new __uniq_ptr_data base class. Do not
2231 assume field called _M_head_impl is the first tuple element.
2233 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2235 * include/bits/stl_deque.h
2236 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
2237 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
2238 (_Deque_base::_Deque_impl_data): New.
2239 (_Deque_base::_Deque_impl): Inherit latter.
2240 (_Deque_base::_Deque_impl::_M_swap_data): Move...
2241 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
2242 (_Deque_base::_Deque_impl()): Add noexcept qualification.
2243 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
2244 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
2245 (deque<>::deque()): Default.
2246 (deque<>::deque(deque&&)): Default.
2247 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
2248 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
2249 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
2250 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
2251 _M_range_initialize.
2252 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
2253 (deque<>::resize(size_type, const value_type&)): Share a single
2255 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
2256 _M_range_insert_aux.
2257 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
2258 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
2259 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
2260 * testsuite/23_containers/deque/allocator/default_init.cc: New.
2262 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
2265 * include/std/variant (holds_alternative, get, get_if): Improve
2266 static assertion messages.
2267 (bad_variant_access::bad_variant_access()): Change default message.
2268 (__throw_bad_variant_access(bool)): New overload.
2269 (get): Use new overload.
2270 (visit, visit<R>): Improve exception message.
2272 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
2273 targets. Add more cases from P0608R3.
2274 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
2276 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
2277 * include/experimental/type_traits (is_detected_exact)
2278 (is_detected_exact_v): Likewise.
2279 * include/pstl/execution_defs.h (is_execution_policy)
2280 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
2281 * include/pstl/execution_impl.h (__policy_traits): Likewise.
2282 * testsuite/17_intro/names.cc: Check for more non-reserved names.
2283 * testsuite/experimental/names.cc: New test.
2286 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
2287 assertions from the destructor.
2288 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
2289 Move static_assert for hash function to here.
2290 (_Hash_table_base::_M_equals): Move static_assert for equality
2292 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
2294 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
2295 the value directly instead of calling _S_value.
2296 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
2297 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
2298 _S_key(_Const_Link_type).
2299 * testsuite/23_containers/set/85965.cc: Check construction,
2300 destruction, assignment and size() do not trigger the assertions.
2301 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
2302 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
2304 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2305 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
2306 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2307 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2308 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2309 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2310 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2312 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
2313 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
2316 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
2318 * doc/html/*: Regenerate.
2319 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
2320 of decay_t (P0777R1).
2322 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2324 Move from state of allocators (LWG2593)
2325 * include/bits/stl_deque.h
2326 (_Deque_base(_Deque_base&&, false_type)): Remove.
2327 (_Deque_base(_Deque_base&&, true_type)): Remove.
2328 (_Deque_base(_Deque_base&&)): Adapt.
2329 (_Deque_base::_M_move_impl()): Remove.
2330 * testsuite/util/testsuite_allocator.h
2331 (propagating_allocator(propagating_allocator&&)): Preserve move from
2333 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
2335 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
2337 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
2338 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
2339 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
2341 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
2343 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
2344 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
2346 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
2348 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
2350 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
2352 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
2354 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
2356 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
2358 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
2361 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
2363 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
2364 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
2366 * include/std/variant (__overload_set): Remove.
2368 (_Build_FUN): New class template to define a single FUN overload,
2369 with specializations to prevent unwanted conversions, as per P0608R3.
2370 (_Build_FUNs): New class template to build an overload set of FUN.
2371 (_FUN_type): New alias template to perform overload resolution.
2372 (__accepted_type): Use integer_constant base for failure case. Use
2373 _FUN_type for successful case.
2374 (variant::__accepted_index): Use _Tp instead of _Tp&&.
2375 (variant::variant(_Tp&&)): Likewise.
2376 (variant::operator=(_Tp&&)): Likewise.
2378 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
2379 Replace raw visitation with a runtime check for the valueless state
2380 and a non-raw visitor.
2381 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
2382 (variant::index()): Remove branch.
2383 (variant::swap(variant&)): Use valueless_by_exception() instead of
2384 comparing the index to variant_npos, and add likelihood attribute.
2386 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
2387 (_Hashtable_base::_Equal_hash_code): Define new class template.
2388 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
2391 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
2392 Replace with _M_get non-static member function.
2393 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
2395 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
2396 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
2398 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
2399 _S_get accessors for members in EBO helpers.
2400 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
2401 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
2403 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
2405 (_Hashtable_base::_M_eq()): Remove non-const overload.
2407 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
2409 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
2411 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2413 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
2416 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2418 * config/os/solaris/solaris2.10: Move to ...
2419 * config/os/solaris: ... this.
2420 * configure.host (os_include_dir): Adapt.
2421 (abi_baseline_pair): Remove Solaris 10 handling.
2422 * config/abi/post/i386-solaris2.10: Remove.
2423 * config/abi/post/sparc-solaris2.10: Remove.
2424 * config/abi/post/i386-solaris2.11: Rename to ...
2425 * config/abi/post/i386-solaris: ... this.
2426 * config/abi/post/sparc-solaris2.11: Rename to ...
2427 * config/abi/post/sparc-solaris: ... this.
2429 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
2432 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
2435 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2437 * include/std/variant (__visit_with_index): Remove typedef.
2438 (__deduce_visit_result): New tag type.
2439 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
2440 visitation of possibly-valueless variants, forwarding to __do_visit
2441 with the relevant tag type.
2442 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
2443 and make lambda return void.
2444 (__variant_construct): Likewise.
2445 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
2446 __raw_idx_visit and make lambda return void.
2447 (_Multi_array::__untag_result): Add metafunction to check the function
2448 pointer type for a tag type that dictates the kind of visitation.
2449 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
2450 Use decltype(auto) instead of tagged function pointer type.
2451 (__gen_vtable_impl): Remove bool non-type parameter and unused
2452 _Variant_tuple parameter.
2453 (__gen_vtable_impl::__visit_invoke_impl): Remove.
2454 (__gen_vtable_impl::__do_visit_invoke): Remove.
2455 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
2456 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
2457 for the visit<R> case, rather than dispatching to separate functions.
2458 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
2460 (variant::swap): Likewise.
2461 (__do_visit): Replace two non-type template parameters with a single
2462 type parameter, so that the caller must specify the visitor's return
2463 type (or one of the tag types).
2464 (visit): Deduce a return type from the visitor and use the
2465 __deduce_visit_result tag to enforce that all overloads return the
2467 (visit<R>): Call __do_visit<R> with explicit result type.
2468 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
2471 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2473 nonesuch is insufficiently useless (lwg2996)
2474 * include/std/type_traits (struct __nonesuch): Added private base
2475 class to make __nonesuch not an aggregate and removed deleted default
2477 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
2478 (operator=(const pair&)): Use __nonesuch instead of
2479 __nonesuch_no_braces.
2480 (operator=(pair&&)): Likewise
2481 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
2482 of __nonesuch_no_braces.
2483 (operator=(tuple&&)): Likewise
2484 * include/experimental/type_traits (struct nonesuch): Added private
2485 base class to make nonesuch not an aggregate and removed deleted
2486 default constructor.
2487 * testsuite/20_util/nonesuch/nonesuch.cc: New.
2488 * testsuite/experimental/type_traits/nonesuch.cc: New.
2490 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2492 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
2493 (_Function_handler): Remove partial specializations for void return
2494 types and pointers to member.
2495 (_Function_handler::_M_manager): Adapt to removal of
2496 _Simple_type_wrapper.
2497 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
2498 * include/std/functional (_Bind_result::__enable_if_void)
2499 (_Bind_result::__disable_if_void): Remove sfinae helpers.
2500 (_Bind_result::__call): Use __invoke_r and remove overloads for void
2502 * include/std/future (__future_base::_Task_state::_M_run)
2503 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
2504 change return type of lambda expressions.
2506 * include/bits/invoke.h (__invoke_r): Define new function implementing
2507 the INVOKE<R> pseudo-function.
2508 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
2509 * testsuite/20_util/function_objects/invoke/2.cc: New test.
2511 * include/std/type_traits (__is_nt_convertible_helper): Define it
2512 unconditionally, not only for C++20.
2513 (__is_nothrow_convertible): Define internal trait for use in C++11.
2514 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
2515 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
2516 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
2517 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
2518 that has nothrow explicit conversion but potentially-throwing implicit
2520 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
2521 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
2522 function to only consider implicit conversions.
2523 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
2525 * include/std/iterator: Include <iosfwd> instead of <istream> and
2528 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
2529 Remove unused, non-standard function.
2531 * include/bits/regex.h (match_results::max_size()): Adjust return
2532 value to account for prefix/suffix/unmatched subs.
2533 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
2534 reset the contained sub matches.
2535 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
2536 function to set result state following a failed match.
2537 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
2538 sub_match states after _M_resize. Use _M_establish_failed_match.
2541 * include/std/thread (thread::_State_impl, thread::_S_make_state):
2542 Replace single _Callable parameter with variadic _Args pack, to
2543 forward them directly to the tuple of decayed copies.
2544 * testsuite/30_threads/thread/cons/69724.cc: New test.
2546 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2548 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
2549 * include/bits/basic_string.h: (operator=(const basic_string&):
2550 Move allocator decision to assign.
2551 (assign(const basic_string&)): Move allocator decision here.
2552 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
2554 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
2557 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2559 * testsuite/util/testsuite_allocator.h (memory_resource)
2560 (default_resource_mgr): Fix indentation.
2562 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
2563 Use operator-> to access raw pointer member.
2564 * testsuite/23_containers/vector/59829.cc: Likewise.
2565 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
2566 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
2567 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
2569 (PointerBase, PointerBase_void): Derive from NullablePointer and use
2570 its constructors and equality operators. Change converting
2571 constructors to use operator-> to access private member of the other
2573 (PointerBase_void::operator->()): Add, for access to private member.
2574 (operator-(PointerBase, PointerBase)): Change to hidden friend.
2575 (operator==(PointerBase, PointerBase)): Remove.
2576 (operator!=(PointerBase, PointerBase)): Remove.
2578 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
2579 not assume field called _M_head_impl is the first tuple element.
2580 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
2581 implementation more accurate.
2582 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
2583 empty pointer type and non-empty deleter.
2585 LWG 2899 - Make is_move_constructible correct for unique_ptr
2586 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
2587 move assignment operator.
2588 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
2589 (__uniq_ptr_data): New class template with conditionally deleted
2591 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
2592 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
2593 constructor and move assignment operator as defaulted.
2594 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
2595 __uniq_ptr_impl::release().
2596 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
2597 to __uniq_ptr_impl::reset(pointer).
2598 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2599 Check for new __uniq_ptr_data type.
2600 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
2602 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2604 PR libstdc++/90454.cc path construction from void*
2605 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
2606 pointers to void are rejected as well as void.
2607 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
2608 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
2610 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
2612 * doc/xml/manual/policy_data_structures.xml: Comment out stray
2613 <remark> elements. Fix formatting of bibliography references.
2615 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
2617 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
2619 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2621 Remove Profile Mode, deprecated since 7.1.0
2622 * doc/Makefile.am: Remove XML file for profile mode docs.
2623 * doc/Makefile.in: Regenerate.
2624 * doc/xml/authors.xml: Remove authors of profile mode docs.
2625 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
2627 * doc/xml/manual/debug.xml: Likewise.
2628 * doc/xml/manual/evolution.xml: Document removal of profile mode.
2629 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
2630 * doc/xml/manual/spine.xml: Remove profile mode author credit.
2631 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
2633 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
2635 * doc/html/*: Regenerate.
2636 * include/Makefile.am: Remove profile mode headers.
2637 * include/Makefile.in: Regenerate.
2638 * include/bits/c++config (std::__profile): Remove namespace.
2639 [_GLIBCXX_PROFILE]: Remove checks for macro.
2640 * include/profile/array: Remove.
2641 * include/profile/base.h: Remove.
2642 * include/profile/bitset: Remove.
2643 * include/profile/deque: Remove.
2644 * include/profile/forward_list: Remove.
2645 * include/profile/impl/profiler.h: Remove.
2646 * include/profile/impl/profiler_algos.h: Remove.
2647 * include/profile/impl/profiler_container_size.h: Remove.
2648 * include/profile/impl/profiler_hash_func.h: Remove.
2649 * include/profile/impl/profiler_hashtable_size.h: Remove.
2650 * include/profile/impl/profiler_list_to_slist.h: Remove.
2651 * include/profile/impl/profiler_list_to_vector.h: Remove.
2652 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
2653 * include/profile/impl/profiler_node.h: Remove.
2654 * include/profile/impl/profiler_state.h: Remove.
2655 * include/profile/impl/profiler_trace.h: Remove.
2656 * include/profile/impl/profiler_vector_size.h: Remove.
2657 * include/profile/impl/profiler_vector_to_list.h: Remove.
2658 * include/profile/iterator_tracker.h: Remove.
2659 * include/profile/list: Remove.
2660 * include/profile/map: Remove.
2661 * include/profile/map.h: Remove.
2662 * include/profile/multimap.h: Remove.
2663 * include/profile/multiset.h: Remove.
2664 * include/profile/ordered_base.h: Remove.
2665 * include/profile/set: Remove.
2666 * include/profile/set.h: Remove.
2667 * include/profile/unordered_base.h: Remove.
2668 * include/profile/unordered_map: Remove.
2669 * include/profile/unordered_set: Remove.
2670 * include/profile/vector: Remove.
2671 * scripts/run_doxygen: Do not process profile mode headers.
2672 * testsuite/23_containers/array/element_access/60497.cc: Don't use
2674 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
2675 Remove dg-skip-if for profile mode.
2676 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
2677 preprocessor check for profile mode.
2678 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
2679 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
2681 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
2683 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
2684 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
2685 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
2686 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
2687 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
2689 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
2691 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
2693 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
2695 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
2696 preprocessor check for profile mode.
2697 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
2699 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
2700 Remove dg-skip-if for profile mode.
2701 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
2702 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
2703 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
2704 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
2705 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
2706 * testsuite/Makefile.am: Remove profile_flags variable and
2707 * testsuite/Makefile.am: Remove profile_flags variable and
2708 check-profile target.
2709 * testsuite/Makefile.in: Regenerate.
2710 * testsuite/ext/profile/all.cc: Remove.
2711 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
2712 * testsuite/ext/profile/profiler_algos.cc: Remove.
2713 * testsuite/ext/profile/replace_new.cc: Remove.
2714 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
2715 preprocessor check for profile mode.
2716 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2717 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
2718 (check_v3_target_normal_mode): Do not check for profile mode macro.
2719 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
2721 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
2722 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
2723 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2724 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
2725 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
2726 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2727 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
2728 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2729 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2730 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
2732 Remove array_allocator extension, deprecated since 4.9.0
2733 * doc/xml/manual/allocator.xml: Remove documentation for
2735 * doc/xml/manual/evolution.xml: Document array_allocator removal.
2736 * doc/xml/manual/using.xml: Remove header from documentation.
2737 * include/Makefile.am: Remove <ext/array_allocator.h> header.
2738 * include/Makefile.in: Regenerate.
2739 * include/ext/array_allocator.h: Remove.
2740 * include/precompiled/extc++.h: Do not include removed header.
2741 * testsuite/ext/array_allocator/1.cc: Remove.
2742 * testsuite/ext/array_allocator/2.cc: Remove.
2743 * testsuite/ext/array_allocator/26875.cc: Remove.
2744 * testsuite/ext/array_allocator/3.cc: Remove.
2745 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
2746 * testsuite/ext/array_allocator/check_delete.cc: Remove.
2747 * testsuite/ext/array_allocator/check_new.cc: Remove.
2748 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
2749 * testsuite/ext/headers.cc: Do not include removed header.
2751 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
2753 * include/bits/stl_bvector.h
2754 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2756 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2758 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2760 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2762 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2764 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2766 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2768 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
2770 (_Bit_iterator::operator-(difference_type)): Likewise.
2771 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
2772 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
2774 (_Bit_const_iterator::operator-(difference_type)): Likewise.
2775 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
2777 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
2780 * testsuite/util/thread/all.h: Do not use remove_pointer for
2781 std::thread::native_handle_type.
2784 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
2785 (_Variant_storage<true, Types...>::_M_reset()))
2786 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
2787 (__get_storage): Likewise.
2788 (variant): Add noexcept to friend declarations for __get and
2792 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
2793 Use _Require for constraints.
2794 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
2796 (__uniq_ptr_hash): New base class with conditionally-disabled call
2798 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
2799 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
2800 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
2802 * include/bits/shared_ptr.h: Improve docs.
2803 * include/bits/shared_ptr_base.h: Likewise.
2804 * include/bits/stl_uninitialized.h: Likewise.
2805 * include/bits/unique_ptr.h: Likewise.
2806 * libsupc++/new: Likewise.
2808 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
2810 * include/bits/stl_deque.h
2811 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2813 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2815 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2817 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2819 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2821 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2823 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
2825 (_Deque_iterator<>::operator-(difference_type)): Likewise.
2827 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
2830 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
2831 (test01): Reserve for number of insertions to avoid rehash during test.
2832 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
2834 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
2839 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
2841 * include/experimental/bits/fs_path.h: Improve docs.
2842 * include/experimental/bits/net.h: Fix wrong header name in comment.
2843 Do not document implementation details.
2844 * include/experimental/netfwd: Fix doxygen grouping.
2846 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
2848 * include/bits/stl_pair.h: Improve docs.
2849 * include/std/tuple: Likewise.
2851 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
2853 * include/std/chrono: Improve docs.
2854 * include/std/ratio: Do not document implementation details.
2855 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
2857 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
2860 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
2861 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
2862 (__duration_common_type): New helper.
2863 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
2864 __duration_common_type.
2865 (__timepoint_common_type_wrapper): Replace with ...
2866 (__timepoint_common_type): New helper.
2867 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
2868 Use __time_point_common_type.
2869 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
2870 (__common_type_impl): If either argument is transformed by decay,
2871 use the common_type of the decayed types.
2872 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
2873 decayed, use __do_common_type_impl to get the common_type.
2874 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
2875 (__do_member_type_wrapper, __member_type_wrapper)
2876 (__expanded_common_type_wrapper): Remove.
2877 (__common_type_pack, __common_type_fold): New helpers.
2878 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
2879 __member_type_wrapper and __expanded_common_type_wrapper.
2880 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
2881 Test zero-length template argument list.
2882 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
2883 Test single argument cases and argument types that should decay.
2884 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
2885 Adjust expected error.
2886 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
2888 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2889 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2890 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2892 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
2894 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
2896 Make allocator propagation more consistent for
2897 operator+(basic_string) (P1165R1)
2898 * include/bits/basic_string.h
2899 (operator+(basic_string&&, basic_string&&): Changed resulting
2900 allocator to always be the one from the first parameter.
2901 * include/bits/basic_string.tcc
2902 (operator+(const _CharT*, const basic_string&)): Changed
2903 resulting allocator to be SOCCC on the second parameter's allocator.
2904 (operator+(_CharT, const basic_string&)): Likewise.
2905 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
2907 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
2910 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
2912 * include/bits/regex.h: Improve docs.
2913 * include/bits/regex.tcc: Do not document implementation details.
2915 * testsuite/19_diagnostics/error_code/hash.cc: New test.
2917 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
2919 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2920 Add type printer for container types in std::__debug namespace.
2921 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
2922 (gdb-tests): Use distinct parameters for the type of test and use of
2924 (gdb-test): Check for regex test even if 'whatis' test.
2925 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
2927 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
2928 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2929 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2930 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
2931 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2932 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2933 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
2935 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
2937 * include/std/system_error (error_category): Fix comment.
2940 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
2941 argument is an empty path.
2942 (absolute(const path&, error_code&)): Use invalid_argument as error
2943 code instead of no_such_file_or_directory.
2944 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
2945 of non-existent paths and empty paths with both overloads of absolute.
2947 * include/std/system_error (error_category, error_code)
2948 (error_condition): Improve docs.
2949 * libsupc++/exception: Add missing @addtogroup Doxygen command.
2950 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
2951 to class documentation. Suppress documentation for implementation
2953 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
2954 Suppress documentation for implementation details.
2956 * include/std/system_error (error_code): Remove friend declaration
2957 for hash<error_code>.
2958 (hash<error_code>::operator()): Use public member functions to access
2960 (hash<error_condition>::operator()): Use address of category, not
2961 its object representation.
2962 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
2963 Use public member functions to access value and category.
2964 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
2966 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
2968 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
2969 * include/bits/hashtable_policy.h
2970 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
2971 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
2972 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
2973 smaller than input value rather than always greater. Preserve
2974 _M_next_resize if called with 0 input. Use __builtin_floorl.
2975 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
2976 elements + number of insertions is greater than _M_next_resize. Start
2977 with 11 buckets if not told otherwise. Use __builtin_floorl.
2978 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
2979 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
2980 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
2981 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
2982 told otherwise. Use __builtin_floorl.
2983 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
2984 to also validate _Power2_rehash_policy.
2985 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
2988 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
2991 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
2995 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
2996 overflow warning with -Wpedantic -Wsystem-headers.
2998 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
3001 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
3002 * include/bits/move.h (swap): Remove extra parentheses.
3004 * include/experimental/bits/lfts_config.h: Improve doc markup.
3005 * include/experimental/optional: Improve docs.
3006 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
3007 (__constexpr_addressof): Remove.
3008 (optional::operator->()): Use std::__addressof().
3009 * include/std/optional (optional::operator->()): Adjust whitespace.
3010 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
3011 that operator-> is still constexpr with overloaded operator&. Change
3012 to compile-only test.
3013 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
3016 * include/bits/shared_ptr.h: Improve docs.
3017 * include/bits/shared_ptr_atomic.h: Likewise.
3018 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
3020 * include/bits/basic_string.h: Fix iterator/index confusion in
3022 * include/bits/range_access.h: Fix Doxygen warnings.
3023 * include/bits/refwrap.h: Do not document implementation details.
3024 (ref, cref): Group docs with reference_wrapper.
3025 * include/std/fstream: Fix Doxygen markup.
3026 * libsupc++/initializer_list (begin, end): Group docs with
3029 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
3031 * include/bits/unique_lock.h: Fix/improve doxygen markup.
3032 * include/std/mutex: Likewise.
3033 * include/std/shared_mutex: Likewise.
3035 * include/bits/fs_dir.h: Fix/improve doxygen markup.
3036 * include/bits/fs_fwd.h: Likewise.
3037 * include/bits/fs_ops.h: Likewise.
3038 * include/bits/fs_path.h: Likewise.
3039 * include/std/filesystem: Likewise.
3041 * include/experimental/bits/net.h: Fix/improve doxygen markup.
3042 * include/experimental/buffer: Likewise.
3043 * include/experimental/executor: Likewise.
3044 * include/experimental/internet: Likewise.
3045 * include/experimental/io_context: Likewise.
3046 * include/experimental/net: Likewise.
3047 * include/experimental/netfwd: Likewise.
3048 * include/experimental/socket: Likewise.
3049 * include/experimental/timer: Likewise.
3051 * doc/doxygen/doxygroups.cc: Move description of experimental group
3053 * include/experimental/algorithm: Add to libfund-ts doc group.
3054 * include/experimental/any: Likewise. Do not document implementation
3056 * include/experimental/array: Add to libfund-ts doc group.
3057 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
3058 for Library Fundamentals.
3059 * include/experimental/chrono: Add to libfund-ts doc group.
3060 * include/experimental/deque: Likewise.
3061 * include/experimental/forward_list: Likewise.
3062 * include/experimental/functional: Likewise.
3063 * include/experimental/iterator: Likewise.
3064 * include/experimental/list: Likewise.
3065 * include/experimental/map: Likewise.
3066 * include/experimental/memory: Likewise.
3067 * include/experimental/memory_resource: Likewise. Improve docs.
3069 * include/experimental/numeric: Add to libfund-ts doc group.
3070 * include/experimental/optional: Likewise.
3071 * include/experimental/propagate_const: Likewise.
3072 * include/experimental/random: Likewise.
3073 * include/experimental/ratio: Likewise.
3074 * include/experimental/regex: Likewise.
3075 * include/experimental/set: Likewise.
3076 * include/experimental/source_location: Likewise.
3077 * include/experimental/string: Likewise.
3078 * include/experimental/string_view: Likewise.
3079 * include/experimental/system_error: Likewise.
3080 * include/experimental/tuple: Likewise.
3081 * include/experimental/type_traits: Likewise.
3082 * include/experimental/unordered_map: Likewise.
3083 * include/experimental/unordered_set: Likewise.
3084 * include/experimental/utility: Likewise.
3085 * include/experimental/vector: Likewise.
3086 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
3087 * testsuite/experimental/array/neg.cc: Adjust dg-error.
3088 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
3090 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
3091 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
3092 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
3093 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
3094 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
3096 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
3097 * include/experimental/bits/fs_fwd.h: Improve docs.
3098 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
3099 * include/experimental/bits/fs_path.h: Likewise.
3100 (path, filesystem_error, u8path): Improve docs.
3101 * include/experimental/filesystem: Link to docs for TS.
3103 * config/allocator/new_allocator_base.h (__allocator_base): Add
3104 workaround for Doxygen bug #6945.
3105 * include/std/memory: Improve docs. Define group for pointer safety.
3106 * include/std/scoped_allocator: Improve docs. Use "undocumented"
3107 conditional to suppress documentation for implementation details.
3109 * include/bits/specfun.h: Improve docs.
3110 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
3113 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
3114 (std::experimental): Add docs.
3115 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
3116 namespace to nothing when generating docs.
3117 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
3118 * include/std/chrono (std::chrono): Likewise.
3119 * include/std/functional (std::placeholders): Likewise.
3120 * include/std/thread (std::this_thread): Likewise.
3122 * include/parallel/settings.h: Fix Doxygen markup.
3124 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
3125 anything unless PB_DS_CLASS_C_DEC is defined.
3126 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
3127 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
3128 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
3129 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
3130 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
3131 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
3132 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
3134 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
3135 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
3136 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
3137 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
3138 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
3139 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
3140 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
3141 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
3142 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
3143 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
3144 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
3146 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
3147 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
3149 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
3152 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
3153 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
3154 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
3157 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3159 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
3160 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
3161 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
3162 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
3163 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
3164 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3166 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
3167 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3170 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
3173 * include/std/complex (__complex_proj): Return parameter unchanged.
3174 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
3175 floating-point types to take std::complex arguments.
3176 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
3177 floating-point types.
3178 * testsuite/26_numerics/complex/proj.cc: New test.
3180 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3182 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
3183 to _Lock_policyE[012].
3184 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3186 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
3188 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
3189 macros accidentally left in.
3190 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
3191 unnecessary -lstdc++fs option. Fix test for mingw.
3192 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3195 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3197 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3199 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
3201 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
3203 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
3204 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
3207 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
3209 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
3212 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
3213 class template and partial specialization.
3216 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
3218 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
3219 functions to convert a value to an integral type.
3220 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
3221 (fill_n): Convert _Size parameter to an integral type.
3222 * testsuite/25_algorithms/fill_n/87982.cc: New test.
3223 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
3224 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
3225 * testsuite/25_algorithms/generate_n/87982.cc: New test.
3226 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
3227 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
3229 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
3231 Adding noexcept-specification on tuple constructors (LWG 2899)
3232 * libstdc++-v3/include/std/tuple:
3233 (tuple()): Add noexcept-specification.
3234 (tuple(const _Elements&...)): Likewise
3235 (tuple(_UElements&&...)): Likewise
3236 (tuple(const tuple<_UElements...>&)): Likewise
3237 (tuple(tuple<_UElements...>&&)): Likewise
3238 (tuple(const _T1&, const _T2&)): Likewise
3239 (tuple(_U1&&, _U2&&)): Likewise
3240 (tuple(const tuple<_U1, _U2>&): Likewise
3241 (tuple(tuple<_U1, _U2>&&): Likewise
3242 (tuple(const pair<_U1, _U2>&): Likewise
3243 (tuple(pair<_U1, _U2>&&): Likewise
3244 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
3246 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
3249 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
3250 arguments with __restrict.
3252 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
3254 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3256 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
3258 * include/experimental/bits/fs_path.h
3259 (path::_S_convert_loc<_InputIterator>): Create const std::string to
3260 avoid redundant call to _S_convert_loc with non-const pointers.
3262 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
3263 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
3264 * testsuite/21_strings/basic_string/hash/hash.cc
3265 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
3266 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
3267 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
3269 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
3270 wstring::_M_replace_dispatch with more specific patterns.
3271 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
3272 Create const std::string to avoid redundant call to _S_convert_loc
3273 with non-const pointers.
3274 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
3275 avoid unnecessary basic_string::assign instantiations.
3277 * include/std/memory (__uses_alloc_args): Add string-literal to
3278 static_assert, to match the one in __uses_alloc.
3279 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
3280 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
3281 for recursive uses-allocator construction of nested pairs.
3282 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
3285 2019-04-26 Jakub Jelinek <jakub@redhat.com>
3287 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3288 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3289 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
3290 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
3292 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3293 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3294 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
3295 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3296 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3297 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3298 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3300 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
3303 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
3304 * include/std/scoped_allocator [__cplusplus > 201703L]
3305 (scoped_allocator_adaptor::construct): Define in terms of
3306 uses_allocator_construction_args, as per P0591R4.
3307 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
3308 * testsuite/util/testsuite_allocator.h: Remove name of unused
3311 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
3313 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
3314 * doc/html/*: Regenerate.
3316 * include/bits/fs_path.h (operator<, operator<=, operator>)
3317 (operator>=, operator==, operator!=): Make hidden friends, as per
3319 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
3320 string type in test.
3321 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3323 * include/std/any (any::any(ValueType&&)): Use __and_v.
3324 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
3327 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
3329 * include/std/type_traits (__result_of_memfun): Use remove_reference
3330 instead of __remove_cvref_t and remove redundant is_same check.
3331 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
3333 * include/experimental/string_view (basic_string_view::pointer)
3334 (basic_string_view::reference): Fix to refer to non-const value_type.
3335 * include/bits/basic_string.h (basic_string): Use __sv_check and
3336 __sv_limit instead of basic_string_view::_M_check and
3337 basic_string_view::_M_limit.
3338 * include/std/string_view (__sv_check, __sv_limit): New
3339 helper functions to replace basic_string_view::_M_check and
3340 basic_string_view::_M_limit.
3341 (basic_string_view): Add static assertions to enforce ill-formed
3342 requirement for traits_type::char_type from P1148R0, and to enforce
3343 required properties of char-like types.
3344 (basic_string_view::pointer, basic_string_view::reference): Fix to
3345 refer to non-const value_type.
3346 (basic_string_view::operator[], basic_string_view::at)
3347 (basic_string_view::front, basic_string_view::back)
3348 (basic_string_view::data): Use const_reference and const_pointer
3349 typedefs for return types.
3350 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
3351 (hash<wstring_view>): Fix argument_type typedef.
3352 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3353 char/1.cc: Fix expected return type of basic_string_view::data().
3354 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3355 wchar_t/1.cc: Likewise.
3356 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3357 char/1.cc: Likewise.
3358 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3359 wchar_t/1.cc: Likewise.
3360 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
3362 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
3363 Check reference and pointer typedefs.
3364 * testsuite/experimental/string_view/requirements/typedefs.cc:
3366 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
3367 Fix expected return type of basic_string_view::data().
3368 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
3370 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
3372 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
3376 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
3377 Avoid a runtime check for types that can never be stored in std::any.
3378 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3381 PR libstdc++/90220 (partial)
3382 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
3383 not attempt ill-formed static_cast to pointers to non-object types.
3384 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3387 * testsuite/20_util/variant/run.cc: Catch exception by reference to
3388 prevent -Wcatch-value warning.
3390 * include/std/variant (__variant_construct): Use template parameter
3391 type instead of equivalent decltype-specifier.
3392 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
3393 Replace forward with move.
3394 (_Move_ctor_base<false, Types...>::_M_destructive_move)
3395 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
3396 (_Move_ctor_base<true, Types...>::_M_destructive_move)
3397 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
3398 index after construction succeeds.
3399 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
3400 if-constexpr checks that are always true. Use __remove_cvref_t instead
3401 of remove_reference so that is_nothrow_move_constructible check
3402 doesn't use a const rvalue parameter. In the potentially-throwing case
3403 construct a temporary and move assign it, as per LWG 2904.
3404 (_Move_assign_base<false, Types...>::operator=): Remove redundant
3405 if-constexpr checks that are always true. Use emplace as per LWG 2904.
3406 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
3407 construct a temporary and move assign from it, as per LWG 2904.
3408 * testsuite/20_util/variant/exception_safety.cc: Check that
3409 assignment operators have strong exception safety guarantee.
3411 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
3413 Document PSTL linker flags
3415 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
3417 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3419 * include/std/variant (__detail::__variant::_Traits): Make
3420 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
3421 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
3423 (__detail::__variant::_Copy_assign_alias): Only depend on
3424 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
3425 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
3426 move assignment operators.
3429 * include/std/variant (variant::__not_self): New helper for the
3430 is_same_v<remove_cvref_t<T>, variant>==false constraints.
3431 (variant::__to_type_impl): Remove.
3432 (variant::__to_type): Add default argument to check pack size, instead
3433 of using __to_type_impl.
3434 (variant::__accepted_type): Add default argument using __not_self.
3435 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
3436 for variant(T&&) constructor constraint.
3437 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
3438 Extract __accepted_type into a named template parameter for reuse in
3439 other constraints and in the exception specification.
3440 (variant::variant(in_place_type_t<T>, Args&&...))
3441 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
3442 (variant::variant(in_place_index_t<T>, Args&&...))
3443 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
3444 (variant::operator=T&&)): Remove redundant && from trait arguments.
3445 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
3446 isn't used for in_place_type or in_place_index arguments.
3448 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
3449 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
3450 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
3452 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3453 Bernd Edlinger <bernd.edlinger@hotmail.de>
3454 Jakub Jelinek <jakub@redhat.com>
3457 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
3458 general-regs-only target attribute for ARM.
3460 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3463 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
3464 specialization also depend on is_nothrow_move_constructible.
3465 * include/std/variant (__detail::__variant::__never_valueless()):
3466 Only true if the variant would have a move assignment operator.
3467 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
3468 Check __never_valueless<T...>().
3469 (variant::emplace): Only perform non-throwing move assignments
3470 for never-valueless alternatives if the variant has a move assignment
3472 * testsuite/20_util/variant/compile.cc: Check that never-valueless
3473 types can be emplaced into non-assignable variants.
3474 * testsuite/20_util/variant/run.cc: Check that never-valueless types
3475 don't get copied when emplaced into non-assignable variants.
3477 * include/std/variant (__detail::__variant::__ref_cast): Remove
3479 (__detail::__variant::_Uninitialized::_M_get)
3480 (__detail::__variant::__get)
3481 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
3483 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
3485 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
3487 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
3488 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
3489 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
3490 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
3492 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3494 Delegate PSTL configuration to pstl/pstl_config.h
3496 * include/bits/c++config: Remove explicit PSTL configuration
3497 macros and use definitions from <pstl/pstl_config.h>.
3499 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3501 Cleanup algorithm implementations
3502 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
3504 (mismatch): Forward execution policy.
3505 (equal): Qualify call to std::equal().
3506 (partial_sort): Forward execution policy.
3507 (inplace_merge): Forward execution policy.
3509 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
3511 Improve implementation of parallel equal()
3512 * include/pstl/algorithm_impl.h
3513 (__internal::__brick_equal): use "4 iterator" version of
3515 (__internal::__brick_equal): use simd for random access
3516 iterators on unsequenced execution policies.
3517 (__internal::__pattern_equal): add "4 iterator" version
3518 (__internal::__pattern_equal): dispatch to simd __brick_equal
3519 for vector-only execution policies.
3520 (__internal::__pattern_equal): dispatch to __parallel_or for
3521 parallel execution policies.
3522 * include/pstl/glue_algorithm_impl.h
3523 (std::equal): dispatch to "4 iterator" version of
3524 __internal::__pattern_equal().
3526 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
3529 * include/bits/forward_list.h (operator==): Do not use operator!= to
3531 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
3532 earlier in the list, so that sort is stable.
3533 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
3534 * testsuite/23_containers/forward_list/comparable.cc: Test with
3535 types that meet the minimum EqualityComparable and LessThanComparable
3536 requirements. Remove irrelevant comment.
3538 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
3539 Do not depend on whether all alternative types are move constructible.
3540 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
3541 from the operand when deciding whether to perform the assignment.
3542 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
3543 with deleted move constructor and deleted move assignment operator.
3544 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
3545 behaviour of variants with DeletedMoves as an alternative.
3546 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
3547 (move_ctor, move_assign): Check that moving a variant with a
3548 DeletedMoves alternative falls back to copying instead of moving.
3550 * testsuite/20_util/variant/compile.cc: Remove empty string literals
3551 from static_assert declarations.
3553 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
3554 actually match its name.
3555 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
3556 (test_swap()): Fix result for MoveCtorOnly and check
3557 MoveCtorAndSwapOnly.
3559 * include/std/optional (optional::value_or(U&&) &&): Add missing
3560 constexpr specifier.
3561 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
3562 for disengaged optionals and rvalue optionals.
3563 * testsuite/20_util/optional/observers/4.cc: Likewise.
3565 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
3567 * include/pstl/algorithm_impl.h: Uglify identfiers.
3568 * include/pstl/numeric_impl.h: Uglify identfiers.
3569 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
3571 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
3573 * include/bits/c++config:
3574 Add definition for __PSTL_ASSERT.
3575 Add definition for __PSTL_ASSERT_MSG.
3576 * include/pstl/algorithm_impl.h: Replace use of assert().
3577 * include/pstl/numeric_impl.h: Replace use of assert().
3578 * include/pstl/parallel_backend_tbb.h:
3579 Replace use of assert().
3580 Replace use of __TBB_ASSERT().
3581 * include/pstl/parallel_backend_utils.h: Replace use of assert().
3583 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
3586 * src/c++17/memory_resource.cc
3587 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
3588 needed to allow placing a _Chunk at the end of the buffer.
3589 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
3591 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
3593 * doc/xml/faq.xml: Add information about emergency EH pool.
3594 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
3595 Move outdated information on mt_allocator to a separate section.
3596 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
3597 doesn't affect the default allocator.
3599 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
3603 * testsuite/20_util/variant/89851.cc: New test.
3605 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
3607 * include/std/variant: Adjust whitespace. Add comments.
3608 (_Multi_array): Leave primary template undefined.
3609 (_Multi_array<_Tp>): Define partial specialization for base case of
3611 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
3612 which is always a reference.
3613 (__gen_vtable::_S_apply()): Remove function, inline body into
3614 default member initializer.
3615 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
3617 * include/std/variant (__variant_idx_cookie): Add member type.
3618 (__visitor_result_type): Remove.
3619 (__do_visit): Use invoke_result instead of __visitor_result_type.
3620 * testsuite/20_util/variant/visit.cc: New test.
3623 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
3625 * testsuite/20_util/variant/90008.cc: New test.
3627 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
3629 * include/pstl/algorithm_impl.h: Add namespace qualification.
3630 * include/pstl/execution_defs.h: Add namespace qualification.
3631 * include/pstl/execution_impl.h: Add namespace qualification.
3632 * include/pstl/numeric_impl.h: Add namespace qualification.
3633 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
3634 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
3635 * include/pstl/parallel_backend_utils.h: Include <cassert>.
3637 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
3639 Fix visit<R> for variant.
3640 * include/std/variant (__do_visit): Add a template parameter
3641 for enforcing same return types for visit.
3642 (__gen_vtable_impl): Likewise.
3643 (_S_apply_single_alt): Adjust.
3644 (__visit_invoke_impl): New. Handle casting to void.
3645 (__do_visit_invoke): New. Enforces same return types.
3646 (__do_visit_invoke_r): New. Converts return types.
3647 (__visit_invoke): Adjust.
3648 (__gen_vtable): Add a template parameter for enforcing
3649 same return types for visit.
3650 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
3651 different return types.
3652 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
3653 visitors with different return types don't accidentally
3654 compile with regular visitation.
3656 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
3658 * testsuite/27_io/filesystem/iterators/caching.cc: Add
3659 dg-require-filesystem-ts.
3661 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
3663 * doc/xml/manual/status_cxx2020.xml: Update status.
3664 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
3665 * testsuite/20_util/variant/visit_r.cc: New test.
3667 * include/bits/fs_dir.h (directory_iterator::operator*)
3668 (directory_iterator::operator->): Add noexcept.
3669 (operator==, operator!=): Replace namespace-scope equality operators
3670 for directory iterators with hidden friends.
3673 * config/abi/pre/gnu.ver: Add missing exports.
3674 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
3677 * config/abi/pre/gnu.ver: Export new symbols.
3678 * include/bits/fs_dir.h (recursive_directory_iterator::options())
3679 (recursive_directory_iterator::recursion_pending())
3680 (recursive_directory_iterator::disable_recursion_pending()): Remove
3681 inline definitions. Make noexcept.
3682 (recursive_directory_iterator::depth())
3683 (recursive_directory_iterator::operator*())
3684 (recursive_directory_iterator::operator->()): Make noexcept.
3685 (recursive_directory_iterator::_M_options)
3686 (recursive_directory_iterator::_M_pending): Remove data members.
3687 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
3688 (recursive_directory_iterator::recursive_directory_iterator): Remove
3689 ctor-initializer. Use new constructor for _Dir_stack.
3690 (recursive_directory_iterator::options())
3691 (recursive_directory_iterator::recursion_pending())
3692 (recursive_directory_iterator::disable_recursion_pending()): Add
3693 non-inline definitions.
3694 (recursive_directory_iterator::depth()): Make noexcept.
3695 (recursive_directory_iterator::increment(error_code&))
3696 (recursive_directory_iterator::pop(error_code&)): Adjust to new
3697 location of options and recursion_pending members.
3698 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
3699 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
3700 user-declared move constructor and assignment operator, to make the
3703 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
3704 d_type == DT_UNKNOWN immediately.
3705 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
3707 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
3709 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
3711 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
3712 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
3715 PR libstdc++/87431 (again)
3716 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
3717 Define partial specialization for basic_string.
3718 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
3719 shared_ptr and weak_ptr.
3720 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
3722 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
3724 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
3726 * include/debug/vector (_Never_valueless_alt): Likewise for debug
3728 * include/std/any (_Never_valueless_alt): Define explicit
3729 specialization for any.
3730 * include/std/variant (_Never_valueless_alt): Define primary template.
3731 (__never_valueless): Use _Never_valueless_alt instead of
3732 is_trivially_copyable.
3733 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
3734 initializations to avoid try-catch overhead. Add special case for
3735 scalars produced by potentially-throwing conversions. Use
3736 _Never_valueless_alt instead of is_trivially_copyable for the
3737 remaining strong exception-safety cases.
3738 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
3739 * testsuite/20_util/variant/87431.cc: Run both test functions.
3740 * testsuite/20_util/variant/exception_safety.cc: New test.
3741 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
3742 so the variant becomes valueless.
3744 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
3747 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
3749 (variant::emplace<_Tp>): Return result of emplace<N> directly.
3751 * include/std/string (__hash_string_base): New class template defining
3752 operator() for hashing strings.
3753 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
3754 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
3755 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
3756 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
3758 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
3760 Use single-visitation in variant assignment and swap and relops.
3761 Also use indices instead of types when checking whether
3762 variants hold the same thing.
3763 * include/std/variant (__do_visit): Add a template parameter
3764 for index visitation, invoke with indices if index visitation
3766 (__variant_idx_cookie): New.
3767 (__visit_with_index): Likewise.
3768 (_Copy_assign_base::operator=): Do single-visitation with
3770 (_Move_assign_base::operator=): Likewise.
3771 (_Extra_visit_slot_needed): Adjust.
3772 (__visit_invoke): Call with indices if it's an index visitor.
3773 (relops): Do single-visitation with an index visitor.
3775 (__visitor_result_type): New.
3777 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
3779 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
3781 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
3783 Don't revisit a variant we are already visiting.
3784 * include/std/variant (__variant_construct_single): New.
3785 (__variant_construct): Use it.
3786 (_M_destructive_move): Likewise.
3787 (_M_destructive_copy): Likewise.
3788 (_Copy_assign_base::operator=): Adjust.
3789 (_Move_assign_base::operator=): Likewise.
3792 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
3795 * include/bits/hashtable.h (_Hashtable): Move static assertions to
3796 destructor so they are not evaluated until the _Key type is complete.
3797 * include/bits/stl_tree.h (_Rb_tree): Likewise.
3798 * testsuite/23_containers/set/85965.cc: New test.
3799 * testsuite/23_containers/unordered_set/85965.cc: New test.
3800 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
3801 with regexp matching the corresponding _Rb_tree specialization.
3802 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
3803 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
3804 * testsuite/23_containers/set/48101_neg.cc: Likewise.
3805 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
3806 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
3807 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
3808 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
3810 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3813 Fix based on a suggestion by Antony Polukhin.
3814 * include/std/variant (__never_valueless): New.
3816 (_Extra_visit_slot_needed): New.
3817 (_Multi_array): Use it.
3818 (_S_apply_all_alts): Likewise.
3820 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3823 Fix based on a suggestion by Antony Polukhin.
3824 * include/std/variant (__gen_vtable): Don't reserve an
3825 additional table slot, _Multi_array already does that.
3827 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3830 Fix based on a suggestion by Antony Polukhin.
3831 * include/std/variant (__variant_construct): Capture a pointer
3832 to the storage and visit just one variant.
3834 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
3836 * doc/xml/manual/backwards_compatibility.xml: Remove link to
3837 Doxygen-generated pages with unstable URL.
3838 * doc/xml/manual/concurrency_extensions.xml: Likewise.
3839 * doc/xml/manual/extensions.xml: Likewise.
3840 * doc/xml/manual/parallel_mode.xml: Likewise.
3841 * doc/xml/manual/support.xml: Likewise.
3843 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
3844 avoid -Wconversion warnings.
3846 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
3848 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
3849 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
3850 (allstamped): Add stamp-pstl.
3851 (install-headers): Add ptsl_builddir.
3852 * include/Makefile.in: Regenerate.
3853 * include/bits/c++config: Add pstl configuration.
3854 * include/pstl/LICENSE.txt: New file.
3855 * include/pstl/algorithm_fwd.h: New file.
3856 * include/pstl/algorithm_impl.h: New file.
3857 * include/pstl/execution_defs.h: New file.
3858 * include/pstl/execution_impl.h: New file.
3859 * include/pstl/glue_algorithm_defs.h: New file.
3860 * include/pstl/glue_algorithm_impl.h: New file.
3861 * include/pstl/glue_execution_defs.h: New file.
3862 * include/pstl/glue_memory_defs.h: New file.
3863 * include/pstl/glue_memory_impl.h: New file.
3864 * include/pstl/glue_numeric_defs.h: New file.
3865 * include/pstl/glue_numeric_impl.h: New file.
3866 * include/pstl/memory_impl.h: New file.
3867 * include/pstl/numeric_fwd.h: New file.
3868 * include/pstl/numeric_impl.h: New file.
3869 * include/pstl/parallel_backend.h: New file.
3870 * include/pstl/parallel_backend_tbb.h: New file.
3871 * include/pstl/parallel_backend_utils.h: New file.
3872 * include/pstl/parallel_impl.h: New file.
3873 * include/pstl/pstl_config.h: New file.
3874 * include/pstl/unseq_backend_simd.h: New file.
3875 * include/pstl/utils.h: New file.
3876 * include/std/algorithm: Include parallel algorithm implementations.
3877 * include/std/execution: New file.
3878 * include/std/memory: Include parallel algorithm implementations.
3879 * include/std/numeric: Include parallel algorithm implementations.
3880 * include/std/version: Add parallel algorithms feature test macro.
3881 * testsuite/util/pstl/pstl_test_config.h: New file.
3882 * testsuite/util/pstl/test_utils.h: New file.
3883 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
3884 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
3885 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
3886 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
3887 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
3888 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
3889 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
3890 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
3891 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
3892 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
3893 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
3894 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
3895 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
3896 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
3897 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
3898 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
3899 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
3900 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
3901 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
3902 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
3903 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
3904 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
3905 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
3906 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
3907 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
3908 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
3909 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
3910 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
3911 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
3912 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
3913 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
3914 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
3915 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
3916 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
3917 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
3918 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
3919 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
3920 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
3921 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
3922 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
3923 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
3924 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
3925 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
3926 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
3927 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
3928 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
3929 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
3930 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
3931 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
3932 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
3933 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
3934 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
3935 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
3936 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
3937 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
3938 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
3939 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
3940 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
3941 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
3942 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
3943 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
3944 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
3945 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
3946 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
3947 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
3948 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
3949 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
3950 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
3951 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
3952 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
3953 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
3954 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
3955 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
3956 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
3957 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
3958 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
3959 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
3960 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
3961 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
3962 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
3963 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
3964 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
3965 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
3966 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
3967 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
3968 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
3969 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
3970 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
3971 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
3972 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
3973 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
3974 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
3975 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
3976 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
3977 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
3978 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
3979 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
3980 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
3981 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
3982 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
3983 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
3984 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
3985 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
3986 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
3987 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
3988 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
3990 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
3992 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
3993 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
3994 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
3995 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
3996 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
3997 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
3998 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
3999 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
4000 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
4001 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
4002 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
4003 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
4004 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
4005 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
4006 when the special functions IS is enabled, not for C++17.
4007 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
4009 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
4010 without checks for special functions in C++17.
4011 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
4015 * include/backward/hash_map: Use <> for includes not "".
4016 * include/backward/hash_set: Likewise.
4017 * include/backward/strstream: Likewise.
4018 * include/tr1/bessel_function.tcc: Likewise.
4019 * include/tr1/exp_integral.tcc: Likewise.
4020 * include/tr1/legendre_function.tcc: Likewise.
4021 * include/tr1/modified_bessel_func.tcc: Likewise.
4022 * include/tr1/riemann_zeta.tcc: Likewise.
4024 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
4026 * doc/xml/manual/allocator.xml: Link to table documenting evolution
4027 of extension allocators.
4028 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
4029 Document new headers in 7.2, 8.1 and 9.1 releases.
4030 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
4031 * doc/html/*: Regenerate.
4033 2019-03-12 John David Anglin <dave.anglin@bell.net>
4036 * testsuite/lib/libstdc++.exp: Locate libatomic.
4037 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
4038 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
4040 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
4041 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
4042 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
4043 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
4045 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
4048 * configure.ac: Check for sockatmark.
4049 * crossconfig.m4: Check for sockatmark.
4050 * config.h.in: Regenerate.
4051 * configure: Regenerate.
4052 * include/experimental/internet (address_v4::_S_hton): Rename
4053 overloaded functions to _S_hton_16 and _S_ntoh_16.
4054 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
4055 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
4056 * include/experimental/socket (basic_socket::at_mark): Check
4057 _GLIBCXX_HAVE_SOCKATMARK.
4059 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
4060 const variables instead of macros.
4063 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
4064 Use correct type for len_aligned.
4065 * testsuite/20_util/hash/89629.cc: New test.
4067 2019-03-11 Jakub Jelinek <jakub@redhat.com>
4070 * include/std/atomic (atomic<T>::store, atomic<T>::load,
4071 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
4072 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
4073 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
4074 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
4075 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
4076 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
4077 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
4078 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
4079 memory_order_seq_cst to int.
4081 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
4083 * doc/xml/manual/using.xml: Use link element instead of xref.
4084 * doc/html/*: Regenerate.
4086 * include/bits/fs_path.h (path::format): Add fixed underlying type.
4088 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
4091 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
4092 parameters in deduction guides.
4093 * include/debug/multimap.h (multimap): Likewise.
4094 * include/debug/set.h (multimap): Likewise.
4095 * include/debug/multiset.h (multimap): Likewise.
4096 * include/debug/unordered_map (unordered_map): Likewise.
4097 (unordered_multimap): Likewise.
4098 * include/debug/unordered_set (unordered_set): Likewise.
4099 (unordered_multiset): Likewise.
4102 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
4103 Invalidate all iterators in case of rehash.
4104 (unordered_multimap<>::_M_check_rehashed): Likewise.
4105 * include/debug/unordered_set
4106 (unordered_set<>::_M_check_rehashed): Likewise.
4107 (unordered_multiset<>::_M_check_rehashed): Likewise.
4108 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
4110 2019-03-07 Andreas Schwab <schwab@suse.de>
4112 * config/abi/post/riscv64-linux-gnu: New directory.
4113 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
4115 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
4117 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
4118 compile test to run. Fix typo.
4120 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
4121 * doc/html/*: Regenerate.
4123 P0356R5 Simplified partial function application
4124 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
4125 helpers for bind_front.
4126 (bind_front, __cpp_lib_bind_front): Define.
4127 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
4129 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4131 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
4132 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
4133 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
4134 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
4136 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
4138 PR libstdc++/86655 - std::assoc_legendre should not constrain
4139 the value of m (or x).
4140 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
4141 __sph_legendre): If degree > order Don't throw, return 0.
4142 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
4143 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
4144 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
4145 * testsuite/tr1/5_numerical_facilities/special_functions/
4146 02_assoc_legendre/pr86655.cc: New test.
4147 * testsuite/tr1/5_numerical_facilities/special_functions/
4148 22_sph_legendre/pr86655.cc: New test.
4150 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
4153 Also PR libstdc++/85517
4154 * include/std/variant (__do_visit): New.
4155 (__variant_cast): Likewise.
4156 (__variant_cookie): Likewise.
4157 (__erased_*): Remove.
4158 (_Variant_storage::_S_vtable): Likewise.
4159 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
4160 (_Variant_storage::__M_reset): Adjust.
4161 (__variant_construct): New.
4162 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
4163 __variant_construct.
4164 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
4165 (_Move_ctor_base::__M_destructive_copy): New.
4166 (_Move_ctor_base::__M_destructive_move): Adjust to use
4167 __variant_construct.
4168 (_Copy_assign_base::operator=): Adjust to use __do_visit.
4169 (_Copy_assign_alias): Adjust to check both copy assignment
4170 and copy construction for triviality.
4171 (_Move_assign_base::operator=): Adjust to use __do_visit.
4172 (_Multi_array): Add support for visitors that accept and return
4174 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
4175 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
4176 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
4177 a __variant_cookie temporary for a variant that is valueless and..
4178 (__gen_vtable_impl::__visit_invoke): ..adjust here.
4179 (__gen_vtable::_Array_type): Conditionally make space for
4180 the __variant_cookie visitor case.
4181 (__variant_construct_by_index): New.
4182 (get_if): Adjust to use std::addressof.
4183 (relops): Adjust to use __do_visit.
4184 (variant): Add __variant_cast and __variant_construct_by_index
4186 (variant::emplace): Use _M_reset() and __variant_construct_by_index
4187 instead of self-destruction.
4188 (variant::swap): Adjust to use __do_visit.
4189 (visit): Reimplement in terms of __do_visit.
4190 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
4191 * testsuite/20_util/variant/compile.cc: Adjust.
4192 * testsuite/20_util/variant/run.cc: Likewise.
4194 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4196 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
4198 * testsuite/experimental/feat-char8_t.cc: Likewise.
4200 * include/std/type_traits [C++20] (is_bounded_array)
4201 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
4203 * testsuite/20_util/is_bounded_array/requirements/
4204 explicit_instantiation.cc: New test.
4205 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
4207 * testsuite/20_util/is_bounded_array/value.cc: New test.
4208 * testsuite/20_util/is_unbounded_array/requirements/
4209 explicit_instantiation.cc: New test.
4210 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
4212 * testsuite/20_util/is_unbounded_array/value.cc: New test.
4214 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
4216 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
4218 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
4220 * include/c_compatibility/math.h [C++20] (lerp): Add using
4222 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
4223 (__lerp): Define function template to implement lerp.
4224 (lerp(float, float, float), lerp(double, double, double))
4225 (lerp(long double, long double, long double)): Define for C++20.
4226 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
4227 (midpoint(T, T), midpoint(T*, T*)): Define.
4228 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
4229 * testsuite/26_numerics/lerp.cc: New test.
4230 * testsuite/26_numerics/midpoint/floating.cc: New test.
4231 * testsuite/26_numerics/midpoint/integral.cc: New test.
4232 * testsuite/26_numerics/midpoint/pointer.cc: New test.
4234 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
4236 PR libstdc++/88996 Implement P0439R0
4237 Make std::memory_order a scoped enumeration.
4238 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
4239 add variables for the old enumerators. Adjust calls.
4240 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
4241 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
4243 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
4245 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
4248 * include/std/memory_resource (polymorphic_allocator): Add default
4249 template argument for C++20.
4250 (polymorphic_allocator::allocate_bytes)
4251 (polymorphic_allocator::deallocate_bytes)
4252 (polymorphic_allocator::allocate_object)
4253 (polymorphic_allocator::deallocate_object)
4254 (polymorphic_allocator::new_object)
4255 (polymorphic_allocator::delete_object): New member functions for
4257 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
4260 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
4263 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
4266 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
4268 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
4269 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
4271 * include/std/memory (uses_allocator_construction_args): New set of
4272 overloaded functions.
4273 (make_obj_using_allocator, uninitialized_construct_using_allocator):
4275 * include/std/memory_resource (polymorphic_allocator::construct)
4276 [__cplusplus > 201703l]: Replace all overloads with a single function
4277 using uses_allocator_construction_args.
4278 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
4280 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
4282 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
4285 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
4286 stylesheet directories before check for xsltproc. Try to use
4287 xmlcatalog to find local stylesheet directory before trying hardcoded
4288 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
4289 check to look for the same stylesheet as doc/Makefile.am uses. Don't
4290 use xsltproc if xmlcatalog fails to find a local stylesheet.
4291 * configure.ac: Check for xmlcatalog.
4292 * Makefile.in: Regenerate.
4293 * configure: Likewise.
4294 * doc/Makefile.in: Likewise.
4295 * include/Makefile.in: Likewise.
4296 * libsupc++/Makefile.in: Likewise.
4297 * po/Makefile.in: Likewise.
4298 * python/Makefile.in: Likewise.
4299 * src/Makefile.in: Likewise.
4300 * src/c++11/Makefile.in: Likewise.
4301 * src/c++17/Makefile.in: Likewise.
4302 * src/c++98/Makefile.in: Likewise.
4303 * src/filesystem/Makefile.in: Likewise.
4304 * testsuite/Makefile.in: Likewise.
4306 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
4309 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
4310 container deduction guides.
4311 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
4312 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
4313 parameters in deduction guides.
4314 * include/bits/stl_multimap.h (multimap): Likewise.
4315 * include/bits/stl_multiset.h (multiset): Likewise.
4316 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
4317 * include/bits/stl_set.h (set): Likewise.
4318 * include/bits/stl_stack.h (stack): Likewise.
4319 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
4320 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
4321 constrain parameters in deduction guides.
4322 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
4324 * testsuite/23_containers/map/cons/deduction.cc: Test additional
4326 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
4327 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
4328 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
4329 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
4331 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
4333 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
4336 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
4337 to class template and partial specialization using void_t.
4338 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4340 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
4343 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
4344 copy and move members public.
4346 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
4348 * include/std/type_traits (__underlying_type_impl): New helper to
4349 make underlying_type SFINAE-friendly.
4350 (underlying_type): Derive from __underlying_type_impl.
4351 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
4355 * include/bits/char_traits.h (__constant_char_array): Check index is
4356 in range before dereferencing.
4357 (char_traits<char>::compare, char_traits<char>::find)
4358 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
4359 immediately if n is zero.
4360 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
4361 Remove workarounds for PR 67026.
4362 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
4364 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
4367 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4369 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
4370 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
4372 2019-02-22 Jakub Jelinek <jakub@redhat.com>
4375 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
4376 type to std::size_t and argument to type to long double.
4378 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4380 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
4381 * config/abi/post/sparc64-linux-gnu: New directory.
4382 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
4383 * config/abi/post/sparc64-linux-gnu/32: New directory.
4384 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
4386 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4388 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
4389 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
4392 2019-02-22 Tom Honermann <tom@honermann.net>
4394 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
4395 printers for u8string and u8string_view.
4397 2019-02-22 Tom Honermann <tom@honermann.net>
4399 * testsuite/18_support/byte/ops.cc: Validate
4400 std::to_integer<char8_t>, std::to_integer<char16_t>, and
4401 std::to_integer<char32_t>.
4402 * testsuite/18_support/numeric_limits/dr559.cc: Validate
4403 std::numeric_limits<char8_t>.
4404 * testsuite/18_support/numeric_limits/lowest.cc: Validate
4405 std::numeric_limits<char8_t>::lowest().
4406 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
4407 std::numeric_limits<char8_t>::max_digits10.
4408 * testsuite/18_support/type_info/fundamental.cc: Validate
4409 typeinfo for char8_t.
4410 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
4411 std::from_chars with char8_t.
4412 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
4413 Validate explicit instantiation of std::hash<char8_t>.
4414 * testsuite/20_util/is_integral/value.cc: Validate
4415 std::is_integral<char8_t>.
4416 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
4417 Validate std::make_signed<char8_t>.
4418 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
4419 Validate u8string construction from char8_t sources.
4420 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
4422 * testsuite/21_strings/basic_string_view/operations/compare/
4423 char/70483.cc: Validate substr operations on u8string_view.
4424 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
4425 the u8string_view typedef is defined.
4426 * testsuite/21_strings/char_traits/requirements/
4427 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
4429 * testsuite/21_strings/char_traits/requirements/
4430 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
4431 constexpr member functions.
4432 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
4433 that the u8string typedef is defined.
4434 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
4435 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
4436 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
4437 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
4439 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
4440 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
4442 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
4443 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
4444 Validate std::atomic<char8_t>::is_always_lock_free
4445 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
4446 Update line numbers.
4447 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
4449 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
4451 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
4452 Validate std::experimental::pmr::u8string.
4453 * testsuite/experimental/string_view/typedefs.cc: Validate that the
4454 u8string_view typedef is defined.
4455 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
4456 char32_t to the typelists.
4458 2019-02-22 Tom Honermann <tom@honermann.net>
4460 * include/ext/typelist.h: Constrain a partial specialization of
4461 typelist::detail::append_ to only match chain<T1,T2>.
4463 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4466 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
4467 class template with class. Replace move and copy member types with
4468 member alias templates, so they are only instantiated when needed.
4469 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4470 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
4471 test for C++11/14/17 as well.
4472 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
4475 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4478 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
4479 _GLIBCXX_PURE to the alias declaration.
4481 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
4483 * testsuite/21_strings/basic_string/literals/types.cc
4484 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
4485 * testsuite/21_strings/basic_string/literals/values.cc
4486 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4487 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
4488 potentially having different type.
4489 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
4490 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
4492 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
4493 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
4494 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
4495 string literals only using basic character set.
4496 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
4497 u8 literals to char.
4498 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
4499 Test ATOMIC_CHAR8_T_LOCK_FREE.
4500 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
4501 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
4502 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
4503 * testsuite/experimental/string_view/literals/types.cc
4504 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
4506 * testsuite/experimental/string_view/literals/values.cc
4507 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4509 2019-02-19 Tom Honermann <tom@honermann.net>
4511 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
4512 from char16_32_t.cc; validates numeric_limits<char8_t>.
4513 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
4514 test cloned from types.cc; validates operator""s for char8_t
4516 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
4517 test cloned from values.cc; validates construction and comparison
4519 * testsuite/21_strings/basic_string/requirements/
4520 /explicit_instantiation/char8_t/1.cc: New test cloned from
4521 char16_t/1.cc; validates explicit instantiation of
4522 basic_string<char8_t>.
4523 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
4524 New test cloned from types.cc; validates operator""sv for char8_t
4525 returns u8string_view.
4526 * testsuite/21_strings/basic_string_view/literals/
4527 values-char8_t.cc: New test cloned from values.cc; validates
4528 construction and comparison of u8string_view values.
4529 * testsuite/21_strings/basic_string_view/requirements/
4530 explicit_instantiation/char8_t/1.cc: New test cloned from
4531 char16_t/1.cc; validates explicit instantiation of
4532 basic_string_view<char8_t>.
4533 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
4534 New test cloned from char16_t/65049.cc; validates that
4535 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
4536 * testsuite/21_strings/char_traits/requirements/char8_t/
4537 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
4538 that char_traits<char8_t> member typedefs are present and correct.
4539 * testsuite/21_strings/char_traits/requirements/
4540 explicit_instantiation/char8_t/1.cc: New test cloned from
4541 char16_t/1.cc; validates explicit instantiation of
4542 char_traits<char8_t>.
4543 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
4544 from char16_t.cc: validates
4545 codecvt<char16_t, char8_t, mbstate_t>.
4546 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
4547 from char32_t.cc: validates
4548 codecvt<char32_t, char8_t, mbstate_t>.
4549 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
4550 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
4551 codecvt<char32_t, char8_t, std::mbstate_t>.
4552 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
4553 test cloned from string.cc; validates filesystem::path construction
4555 * testsuite/experimental/feat-char8_t.cc: New test; validates that
4556 the __cpp_lib_char8_t feature test macro is defined with the
4558 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
4559 New test cloned from string.cc; validates filesystem::path
4560 construction from char8_t input.
4561 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
4562 test cloned from types.cc; validates operator""sv for char8_t
4563 returns u8string_view.
4564 * testsuite/experimental/string_view/literals/values-char8_t.cc:
4565 New test cloned from values.cc; validates construction and
4566 comparison of u8string_view values.
4567 * testsuite/experimental/string_view/requirements/
4568 explicit_instantiation/char8_t/1.cc: New test cloned from
4569 char16_t/1.cc; validates explicit instantiation of
4570 basic_string_view<char8_t>.
4571 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
4572 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
4575 2019-02-19 Tom Honermann <tom@honermann.net>
4577 P0482R5 char8_t: Standard library support
4578 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
4579 typeinfo symbols for char8_t.
4580 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
4581 (GLIBCXX_3.4.26): Add symbols for specializations of
4582 numeric_limits and codecvt that involve char8_t.
4583 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
4584 * include/bits/atomic_base.h: Add atomic_char8_t.
4585 * include/bits/basic_string.h: Add std::hash<u8string> and
4586 operator""s(const char8_t*, size_t).
4587 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
4589 * include/bits/char_traits.h: Add char_traits<char8_t>.
4590 * include/bits/codecvt.h: Add
4591 codecvt<char16_t, char8_t, mbstate_t>,
4592 codecvt<char32_t, char8_t, mbstate_t>,
4593 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4594 codecvt_byname<char32_t, char8_t, mbstate_t>.
4595 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
4596 recognize char8_t as an integral type.
4597 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
4599 (path::u8string): Return std::u8string when char8_t support is
4601 (path::generic_u8string): Likewise.
4602 (path::_S_convert): Handle conversion from char8_t input.
4603 (path::_S_str_convert): Likewise.
4604 * include/bits/functional_hash.h: Add hash<char8_t>.
4605 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
4607 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
4608 for new char8_t specializations.
4609 * include/bits/localefwd.h: Add missing declarations of
4610 codecvt<char16_t, char, mbstate_t> and
4611 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
4612 codecvt<char16_t, char8_t, mbstate_t> and
4613 codecvt<char32_t, char8_t, mbstate_t>.
4614 * include/bits/postypes.h: Add u8streampos
4615 * include/bits/stringfwd.h: Add declarations of
4616 char_traits<char8_t> and u8string.
4617 * include/c_global/cstddef: Add __byte_operand<char8_t>.
4618 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4620 (path::u8string): Return std::u8string when char8_t support is
4622 (path::generic_u8string): Likewise.
4623 (path::_S_convert): Handle conversion from char8_t input.
4624 (path::_S_str_convert): Likewise.
4625 * include/experimental/string: Add u8string.
4626 * include/experimental/string_view: Add u8string_view,
4627 hash<experimental::u8string_view>, and
4628 operator""sv(const char8_t*, size_t).
4629 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
4630 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
4631 as a character type.
4632 * include/std/limits: Add numeric_limits<char8_t>.
4633 * include/std/string_view: Add u8string_view,
4634 hash<experimental::u8string_view>, and
4635 operator""sv(const char8_t*, size_t).
4636 * include/std/type_traits: Add __is_integral_helper<char8_t>,
4637 __make_unsigned<char8_t>, and __make_signed<char8_t>.
4638 * libsupc++/atomic_lockfree_defines.h: Define
4639 ATOMIC_CHAR8_T_LOCK_FREE.
4640 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
4641 codecvt.cc and limits.cc so that char8_t specializations of
4642 numeric_limits and codecvt and emitted.
4643 * src/c++11/Makefile.in: Likewise.
4644 * src/c++11/codecvt.cc: Define members of
4645 codecvt<char16_t, char8_t, mbstate_t>,
4646 codecvt<char32_t, char8_t, mbstate_t>,
4647 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4648 codecvt_byname<char32_t, char8_t, mbstate_t>.
4649 * src/c++11/limits.cc: Define members of
4650 numeric_limits<char8_t>.
4651 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
4652 locale_init.cc and localename.cc.
4653 * src/c++98/Makefile.in: Likewise.
4654 * src/c++98/locale_init.cc: Add initialization for the
4655 codecvt<char16_t, char8_t, mbstate_t> and
4656 codecvt<char32_t, char8_t, mbstate_t> facets.
4657 * src/c++98/localename.cc: Likewise.
4658 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
4660 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
4662 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
4663 * 27_io/filesystem/operations/resize_file.cc: Likewise.
4664 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
4666 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
4668 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
4669 * doc/html/*: Regenerate.
4671 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
4672 * doc/html/*: Regenerate.
4674 * doc/xml/manual/intro.xml: Document LWG 2586 status.
4675 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
4676 allocator type in is_constructible checks.
4677 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
4678 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
4679 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
4680 problematic type from LWG 2586 discussion.
4681 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
4682 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
4684 * configure.ac: Check for C11 timespec_get function.
4685 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
4687 * config.h.in: Regenerate.
4688 * configure: Regenerate.
4689 * include/c_global/ctime (timespec, timespec_get): Add to namespace
4690 std for C++17 and up.
4692 * doc/xml/manual/intro.xml: Document LWG 2537 status.
4693 * include/bits/stl_queue.h
4694 (priority_queue(const Compare&, const Container&, const Alloc&))
4695 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
4697 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
4699 * doc/xml/manual/intro.xml: Document LWG 2566 status.
4700 * include/bits/stl_queue.h (queue, priority_queue): Add static
4701 assertions to enforce LWG 2566 requirement on value_type.
4702 * include/bits/stl_stack.h (stack): Likewise.
4705 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
4707 * doc/xml/manual/intro.xml: Document LWG 2735 status.
4708 * include/bits/std_abs.h: Add comment about LWG 2735.
4709 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
4711 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
4714 * include/std/version [__cpp_impl_destroying_delete]
4715 (__cpp_lib_destroying_delete): Only define for C++2a and later.
4716 * libsupc++/new [__cpp_impl_destroying_delete]
4717 (__cpp_lib_destroying_delete): Likewise.
4718 (destroying_delete_t, destroying_delete): Likewise, but define even
4719 when __cpp_impl_destroying_delete is not defined.
4720 * testsuite/18_support/destroying_delete.cc: New test.
4722 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
4725 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
4726 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
4727 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
4728 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
4730 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
4733 * include/bits/fs_path.h (path::has_root_name)
4734 (path::has_root_directory, path::has_root_path)
4735 (path::has_relative_path, path::has_parent_path)
4736 (path::has_filename, path::has_stem, path::has_extension)
4737 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
4739 * src/c++17/fs_path.cc (path::has_root_name)
4740 (path::has_root_directory, path::has_root_path)
4741 (path::has_relative_path, path::has_parent_path)
4742 (path::has_filename, path::_M_find_extension): Add noexcept.
4744 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
4746 PR libstdc++/89102 (partial)
4747 * include/std/type_traits (common_type<>): Define.
4748 (common_type<T>): Derive from common_type<T, T>.
4749 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
4750 Test zero-length template argument list.
4751 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
4752 Test additional single argument cases.
4753 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
4754 Adjust expected error.
4756 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
4759 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
4761 * include/bits/stl_stack.h (stack): Likewise.
4762 * testsuite/23_containers/priority_queue/deduction.cc: New test.
4763 * testsuite/23_containers/queue/deduction.cc: New test.
4764 * testsuite/23_containers/stack/deduction.cc: New test.
4767 * include/std/type_traits (__is_convertible_helper)
4768 (__is_convertible_helper<_From, _To, false>): Revert changes to
4769 support is_nothrow_convertible.
4770 (__is_nt_convertible_helper): New helper.
4771 (is_nothrow_convertible): Use __is_nt_convertible_helper.
4773 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
4774 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
4777 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
4778 __is_alloc_insertable_impl. Replace single type member with two
4779 members, one for each of copy and move insertable.
4780 (__is_move_insertable): New trait for internal use.
4781 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
4782 (vector::_S_nothrow_relocate(true_type)): New functions to
4783 conditionally check if __relocate_a can throw.
4784 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
4785 on __is_move_insertable.
4786 (vector::_S_do_relocate): New overloaded functions to conditionally
4788 (vector::_S_relocate): New function that dispatches to _S_do_relocate
4789 based on _S_use_relocate.
4790 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4791 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
4792 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
4795 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
4796 parameter unnamed. Add message to static assertion.
4797 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4798 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
4801 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
4804 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
4806 (__is_bitwise_relocatable): ... to this.
4807 (__relocate_a_1): Adapt.
4808 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
4809 (__is_bitwise_relocatable): ... to this.
4811 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
4814 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
4815 final component as well as from _M_pathname. Append the dot using
4816 operator+= instead of only to _M_pathname.
4817 (path::_M_find_extension): Reformat slightly.
4818 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4819 Add more test cases.
4821 2019-01-30 Ulrich Drepper <drepper@redhat.com>
4823 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
4825 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
4827 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
4828 constexpr specifiers from arg and proj.
4830 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
4831 __shared_ptr instantiations used by gcc4-compatible ABI.
4833 * include/experimental/forward_list (experimental::erase): Qualify
4835 * include/experimental/list (experimental::erase): Likewise.
4836 * include/std/forward_list (std::erase): Likewise.
4837 * include/std/list (std::erase): Likewise.
4839 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
4841 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
4842 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
4843 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
4844 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
4845 * testsuite/ext/array_allocator/26875.cc: Likewise.
4846 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
4847 * testsuite/util/replacement_memory_operators.h: Likewise.
4848 * testsuite/util/testsuite_allocator.h: Likewise.
4850 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
4851 normal mode vector, even for debug mode.
4852 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
4853 Define alias template for normal mode vector.
4855 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
4858 * config/locale/generic/c_locale.h (__convert_from_v)
4859 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4860 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4861 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
4862 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4864 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
4867 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
4868 data member with static member function _S_use_relocate().
4869 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4870 (vector::_M_default_append): Use _S_use_relocate() instead of
4873 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
4876 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
4879 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
4880 write to stderr instead of using printf.
4882 2019-01-21 Jakub Jelinek <jakub@redhat.com>
4885 * include/bits/char_traits.h (__constant_string_p,
4886 __constant_char_array_p): Use __builtin_is_constant_evaluated if
4889 2019-01-20 Ulrich Drepper <drepper@redhat.com>
4891 Implement C++20 P0600r1.
4892 * include/backward/hash_map: Add nodiscard attribute to empty.
4893 * include/backward/hash_set: Likewise.
4894 * backward/hashtable.h: Likewise.
4895 * include/bits/basic_string.h: Likewise.
4896 * include/bits/forward_list.h: Likewise.
4897 * include/bits/hashtable.h: Likewise.
4898 * include/bits/regex.h: Likewise.
4899 * include/bits/stl_deque.h: Likewise.
4900 * include/bits/stl_list.h: Likewise.
4901 * include/bits/stl_map.h: Likewise.
4902 * include/bits/stl_multimap.h: Likewise.
4903 * include/bits/stl_multiset.h: Likewise.
4904 * include/bits/stl_queue.h: Likewise.
4905 * include/bits/stl_set.h: Likewise.
4906 * include/bits/stl_stack.h: Likewise.
4907 * include/bits/stl_tree.h: Likewise.
4908 * include/bits/stl_vector.h: Likewise.
4909 * include/bits/unordered_map.h: Likewise.
4910 * include/bits/unordered_set.h: Likewise.
4911 * include/debug/array: Likewise.
4912 * include/experimental/any: Likewise.
4913 * include/experimental/bits/fs_path.h: Likewise.
4914 * include/experimental/internet: Likewise.
4915 * include/experimental/string_view: Likewise.
4916 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
4918 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
4920 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
4922 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
4924 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
4926 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
4928 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
4930 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
4932 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
4933 info_fn_imps.hpp: Likewise.
4934 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
4935 left_child_next_sibling_heap_.hpp: Likewise.
4936 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
4938 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
4940 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
4942 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
4944 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
4946 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
4948 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
4950 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
4951 * include/ext/pb_ds/trie_policy.hpp: Likewise.
4952 * include/ext/rope: Likewise.
4953 * include/ext/slist: Likewise.
4954 * include/ext/vstring.h: Likewise.
4955 * include/profile/array: Likewise.
4956 * include/std/array: Likewise.
4957 * include/tr1/array: Likewise.
4958 * include/tr1/hashtable.h: Likewise.
4959 * include/tr1/regex: Likewise.
4960 * include/tr2/dynamic_bitset: Likewise.
4961 * include/bits/alloc_traits.h: Add nodiscard attribute to
4963 * include/experimental/memory_resource: Likewise.
4964 * include/ext/alloc_traits.h: Likewise.
4965 * include/ext/array_allocator.h: Likewise.
4966 * include/ext/bitmap_allocator.h: Likewise.
4967 * include/ext/debug_allocator.h: Likewise.
4968 * include/ext/extptr_allocator.h: Likewise.
4969 * include/ext/mt_allocator.h: Likewise.
4970 * include/ext/new_allocator.h: Likewise.
4971 * include/ext/pool_allocator.h: Likewise.
4972 * include/ext/throw_allocator.h: Likewise.
4973 * include/std/scoped_allocator: Likewise.
4974 * libsupc++/eh_alloc.cc: Likewise.
4975 * include/std/future: Add nodiscard attribute to async.
4976 * libsupc++/new: Add nodiscard attribute to new.
4978 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
4983 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
4984 * include/bits/shared_ptr.h
4985 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
4986 (allocate_shared): Change to use new tag type.
4987 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
4988 Declare new member function.
4989 (_Sp_alloc_shared_tag): Define new type.
4990 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
4991 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
4992 _Sp_make_shared_tag::_S_eq to check type_info.
4993 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
4994 Constrain to prevent being called with _Sp_alloc_shared_tag.
4995 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
4996 Replace constructor with ...
4997 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
4998 reference parameter so address of the new object can be returned to
4999 the caller. Obtain the allocator from the tag type.
5000 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
5001 constructor with ...
5002 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
5003 to the __shared_count constructor.
5004 (__allocate_shared): Change to use new tag type.
5005 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
5007 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
5009 * src/c++17/fs_ops.cc
5010 (equivalent(const path&, const path&, error_code&))
5011 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
5012 compare files instead of relying on incomplete info returned by stat.
5015 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
5016 if the path is already absolute.
5017 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
5018 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
5021 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
5022 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
5023 of filesystem::exists.
5024 (create_directories(const path&, error_code&)): Add assertions.
5025 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
5026 Add workaround for bug in _wstat for paths with trailing slash.
5027 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
5028 for expected behaviour on mingw.
5029 * testsuite/experimental/filesystem/operations/create_directories.cc:
5031 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
5032 "TMP" instead of "TMPDIR" and clean environment before each test. Do
5033 not test permissions on mingw targets.
5035 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
5037 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
5038 constructors and open members taking wide strings. Fix patterns for
5039 filesystem::path members to match wstring_view parameters. Add
5040 exports for shared_ptr members used by directory iterators.
5041 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
5042 error code parameter if the file doesn't exist.
5043 * src/filesystem/ops.cc (remove(const path&, error_code&)):
5045 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
5046 values for mingw targets, where "/" is not an absolute path. Do not
5047 test symlinks on mingw targets.
5048 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5049 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
5051 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5052 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
5053 that each component of the path is created.
5054 * testsuite/experimental/filesystem/operations/create_directories.cc:
5056 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
5057 permissions on mingw targets.
5058 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5059 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5060 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5061 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
5063 * testsuite/experimental/filesystem/operations/permissions.cc:
5065 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
5066 symlinks or permissions on mingw targets.
5067 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5068 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
5069 symlinks on mingw targets.
5070 * testsuite/experimental/filesystem/operations/remove_all.cc:
5072 * testsuite/27_io/filesystem/operations/status.cc: Do not test
5073 permissions on mingw targets.
5074 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
5075 test symlinks on mingw targets.
5076 * testsuite/experimental/filesystem/operations/space.cc: Fix test
5079 2019-02-14 Ulrich Drepper <drepper@redhat.com>
5082 Warn about unused comparisons of shared_ptr/unique_ptr
5083 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
5084 * include/bits/shared_ptr.h: Use it for operator ==, !=,
5085 <, <=, >, >= for shared_ptr.
5086 * include/bits/unique_ptr.h: Likewise for unique_ptr.
5088 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
5090 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
5091 as 201611L, because P0497R0 changes are supported.
5092 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
5094 * include/bits/erase_if.h [__cplusplus > 201703L]
5095 (__cpp_lib_erase_if): Only define for C++2a.
5096 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5097 (__cpp_lib_null_iterators): Define.
5098 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5099 (__cpp_lib_null_iterators): Define.
5100 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
5102 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
5104 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
5106 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
5107 changes are supported.
5108 * include/std/optional (__cpp_lib_optional): Likewise.
5109 * include/std/variant (__cpp_lib_variant): Likewise.
5110 * include/std/version [!__STRICT_ANSI__]
5111 (__cpp_lib_uncaught_exceptions): Define as long integer.
5112 [__cplusplus >= 201703L] (__cpp_lib_any)
5113 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
5114 (__cpp_lib_variant): Define for C++17.
5115 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
5117 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
5120 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
5122 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
5126 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
5128 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
5131 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5133 * doc/xml/manual/intro.xml: Include new section.
5134 * doc/xml/manual/status_cxx2017.xml: Document more
5135 implementation-defined properties of the library.
5136 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
5137 * doc/html/*: Regenerate.
5139 * include/bits/refwrap.h [__cplusplus > 201703L]
5140 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
5141 (_Reference_wrapper_base_memfun): Do not define for C++2a.
5142 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
5144 (reference_wrapper::operator()): Add static assertion.
5145 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
5147 * include/std/chrono (duration_values::zero(), duration_values::min())
5148 (duration_values::max()): Add noexcept.
5149 (duration::zero(), duration::min(), duration::max()): Likewise.
5150 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
5151 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
5152 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
5154 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
5156 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5158 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
5159 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
5161 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5164 * include/bits/functional_hash.h (hash<nullptr_t>): Define
5165 specialization for C++17 (P0513R0, LWG 2817).
5166 * testsuite/20_util/hash/nullptr.cc: New test.
5169 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
5170 pattern for std::basic_stringbuf::str().
5172 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
5173 basic_ostream::operator<< patterns.
5175 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5177 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
5178 test failures on targets with 32-bit time_t.
5180 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
5181 * include/std/deque: Likewise.
5182 * include/std/forward_list: Likewise.
5183 * include/std/list: Likewise.
5184 * include/std/string: Likewise.
5185 * include/std/vector: Likewise.
5186 * include/std/version: Likewise.
5187 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
5188 * testsuite/23_containers/deque/erasure.cc: Likewise.
5189 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
5190 * testsuite/23_containers/list/erasure.cc: Likewise.
5191 * testsuite/23_containers/map/erasure.cc: Likewise.
5192 * testsuite/23_containers/set/erasure.cc: Likewise.
5193 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
5194 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
5195 * testsuite/23_containers/vector/erasure.cc: Likewise.
5197 * include/experimental/internet [AI_NUMERICSERV]
5198 (resolver_base::numeric_service): Define conditionally.
5199 * testsuite/experimental/net/internet/resolver/base.cc: Test it
5201 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
5204 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
5205 Jonathan Wakely <jwakely@redhat.com>
5208 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
5209 (GLIBCXX_3.4.26): Add new exports.
5210 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
5211 correct list of sources.
5212 * include/Makefile.in: Regenerate.
5213 * include/std/ostream (operator<<(nullptr_t)): New member function.
5214 * src/c++17/ostream-inst.cc: New file.
5215 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
5218 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5220 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
5221 of the source file containing the caller.
5222 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
5223 directories created by test.
5224 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5226 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5228 * testsuite/experimental/filesystem/iterators/
5229 recursive_directory_iterator.cc: Likewise.
5231 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5233 PR tree-optimization/88775
5234 * include/bits/stl_function.h (greater<_Tp*>::operator(),
5235 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
5236 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
5237 instead of __builtin_constant_p if available. Don't bother with
5238 the pointer comparison in C++11 and earlier.
5240 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5244 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
5247 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
5249 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
5250 for filesystem::path. Give variables more distinctive names.
5252 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
5253 member function to perform non-trivial assignment.
5254 (_Optional_payload_base::_M_move_assign): Likewise.
5255 (_Optional_payload<T, true, false, true>::operator=)
5256 (_Optional_payload<T, true, true, false>::operator=)
5257 (_Optional_payload<T, true, false, false>::operator=): Call
5258 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
5261 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
5262 test std::complex<long double> if long double format is IBM128.
5263 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
5266 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5268 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
5269 for old std::unique_ptr layout.
5270 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
5271 to become valueless. Add filesystem::path tests.
5274 * include/std/optional (_Optional_payload_base): New class template
5275 for common code hoisted from _Optional_payload specializations. Use
5276 a template for the union, to allow a partial specialization for
5277 types with non-trivial destructors. Add constructors for in-place
5278 initialization to the union.
5279 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
5280 to perform non-trivial copy construction, instead of relying on
5281 non-standard copy elision in a delegating constructor.
5282 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
5283 non-trivial move construction.
5284 (_Optional_payload): Derive from _Optional_payload_base and use it
5285 for everything except the non-trivial assignment operators, which are
5287 (_Optional_payload<false, C, M>): Derive from the specialization
5288 _Optional_payload<true, false, false> and add a destructor.
5289 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
5290 Forward to corresponding members of _Optional_payload.
5291 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
5292 Hoist common members from _Optional_base.
5293 (_Optional_base): Make all members and base class public.
5294 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
5295 _Optional_base_impl.
5296 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
5297 support for new std::optional layout.
5298 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
5301 * include/bits/locale_conv.h: Use <> for includes not "".
5302 * include/ext/random: Likewise.
5303 * include/ext/vstring.h: Likewise.
5305 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5307 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
5308 (GLIBCXX_3.4.21): Likewise.
5310 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5313 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
5314 to match the one that controls whether utimbuf and utime are declared.
5316 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
5319 * include/bits/char_traits.h (char_traits::move): Do not pass null
5320 pointers to memmove.
5321 * include/bits/locale_facets.h
5322 (ctype<char>::widen(const char*, const char*, char*)): Do not
5323 pass null pointers to memcpy.
5324 (ctype<char>::narrow(const char*, const char*, char, char*)):
5326 (ctype<char>::do_widen(const char*, const char*, char*)):
5328 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
5331 * doc/xml/manual/spine.xml: Update copyright years.
5332 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
5333 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
5334 for C++17 filesystem library.
5335 * doc/html/*: Regenerate.
5337 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
5338 * config.h.in: Regenerate.
5339 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
5340 alphabetically and add missing entries for copy_symlink,
5341 hard_link_count, rename, and resize_file.
5342 * configure: Regenerate.
5343 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
5344 used unconditionally.
5345 * src/filesystem/ops-common.h (__gnu_posix::truncate)
5346 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
5347 supports truncating to zero length.
5348 * testsuite/27_io/filesystem/operations/all.cc: New test.
5349 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
5351 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
5354 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
5355 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
5356 * config.h.in: Regenerate.
5357 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
5358 remaining std::filesystem types and functions.
5359 * configure: Regenerate.
5360 * src/c++17/Makefile.am: Add C++17 filesystem sources.
5361 * src/c++17/Makefile.in: Regenerate.
5362 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
5363 here, and change name of included file.
5364 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
5365 here, and change name of included file.
5366 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
5367 path to dir-common.h.
5368 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
5369 path to ops-common.h. Disable -Wunused-parameter warnings.
5370 (internal_file_clock): Define unconditionally.
5371 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
5373 (do_copy_file, do_space): Move definitions to ops.common.h.
5374 (copy, file_size, hard_link_count, last_write_time, space): Only
5375 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
5377 (last_write_time, read_symlink): Remove unused attributes from
5379 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
5380 * src/filesystem/Makefile.in: Regenerate.
5381 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
5382 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
5383 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
5384 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
5385 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
5386 dummy types and functions instead of using #error.
5387 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
5388 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
5390 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
5391 (do_copy_file, do_space): Move definitions here from std-ops.cc.
5392 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
5393 to account for new namespace.
5394 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
5395 -lstdc++fs from dg-options.
5396 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
5397 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
5398 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
5399 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
5400 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
5402 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
5403 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5405 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
5406 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
5407 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
5408 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
5409 * testsuite/27_io/filesystem/operations/create_directories.cc:
5411 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
5412 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
5413 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
5414 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
5415 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
5416 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
5417 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5418 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
5419 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
5420 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
5421 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
5422 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
5423 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
5424 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
5425 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
5426 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
5427 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
5428 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
5430 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
5434 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
5435 typeinfo and vtables less greedy.
5436 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
5437 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
5438 * src/c++17/Makefile.in: Regenerate.
5439 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
5440 here, and change name of included file.
5441 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
5442 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
5444 * src/filesystem/Makefile.in: Regenerate.
5445 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
5446 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
5447 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
5448 from dg-options and remove dg-require-filesystem-ts.
5449 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
5450 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
5451 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
5452 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
5453 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
5454 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
5455 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
5456 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
5457 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
5458 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
5459 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
5460 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
5461 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
5462 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
5463 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
5464 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
5465 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
5466 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
5467 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
5468 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
5469 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
5471 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
5472 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
5473 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
5474 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
5475 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
5476 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
5477 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
5478 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
5479 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
5480 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
5481 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
5482 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
5484 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
5486 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5488 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
5490 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
5491 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
5492 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
5493 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
5494 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
5495 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
5496 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
5497 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
5498 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
5499 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
5501 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
5502 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
5503 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
5504 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
5505 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
5508 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
5509 Check is_trivially_copyable instead of is_scalar.
5510 (variant::emplace<N, Args>(Args&&...)): If construction of the new
5511 contained value can throw and its type is trivially copyable then
5512 construct into a temporary variant and move from it, to provide the
5513 strong exception safety guarantee.
5514 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
5516 * testsuite/20_util/variant/87431.cc: New test.
5517 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
5518 conversion causes valueless state.
5521 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
5522 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
5523 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
5524 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
5525 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
5527 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
5529 * include/bits/fs_fwd.h (__file_clock): Define new clock.
5530 (file_time_type): Redefine in terms of __file_clock.
5531 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
5533 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
5535 (internal_file_lock): New helper type for accessing __file_clock.
5536 (do_copy_file): Use internal_file_lock to convert system time to
5538 (last_write_time(const path&, error_code&)): Likewise.
5539 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
5541 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
5543 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
5544 for const member functions of std::basic_string.
5545 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
5547 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
5548 Make non-standard constructor private.
5549 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
5551 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
5552 explicit instantiations for C++17 as well as earlier dialects.
5553 * src/c++17/Makefile.am: Add new source files.
5554 * src/c++17/Makefile.in: Regenerate.
5555 * src/c++17/cow-string-inst.cc: New file defining explicit
5556 instantiations for basic_string member functions added in C++17.
5557 * src/c++17/string-inst.cc: Likewise.
5559 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
5560 copy/move constructors for old std::basic_string.
5561 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
5562 (basic_string::reference, basic_string::const_reference): Define
5563 as plain references for C++11 and later.
5564 (basic_string::basic_string()): Put constructor body outside
5565 preprocessor conditional groups.
5566 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
5567 instead of copying it.
5568 (basic_string::basic_string(const basic_string&, const _Alloc&)):
5570 (basic_string::basic_string(basic_string&&, const _Alloc&)):
5572 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
5573 cases for old basic_string.
5574 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
5575 allocator-extended constructors unconditionally. Add extra members to
5576 allocator type when using old string ABI.
5577 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
5579 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
5581 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
5582 -fno-inline added to test flags.
5584 * testsuite/21_strings/basic_string/requirements/
5585 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
5587 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
5588 assertion failures with old std::string ABI.
5590 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
5592 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
5593 functions that will only erase elements at the end.
5594 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
5595 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
5596 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
5598 (path::_List::pop_back()): Define.
5599 (path::_List::_M_erase_from(const_iterator)): Define.
5600 (path::operator/=(const path&)): Use pop_back to remove last component
5601 and _M_erase_from to remove multiple components.
5602 (path::_M_append(basic_string_view<value_type>)): Likewise.
5603 (path::operator+=(const path&)): Likewise.
5604 (path::_M_concat(basic_string_view<value_type>)): Likewise.
5605 (path::remove_filename()): Likewise.
5606 (path::lexically_normal()): Use _List::_Impl iterators instead of
5607 path::iterator. Use pop_back to remove components from the end. Clear
5608 trailing filename, instead of using erase(const_iterator) to remove
5609 a non-final component.
5610 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
5612 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
5614 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
5615 incorrect treatment of empty filename after trailing slash.
5616 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
5618 * testsuite/21_strings/basic_string/modifiers/assign/char/
5619 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
5621 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
5622 move_assign_optim.cc: Likewise.
5624 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5625 Jakub Jelinek <jakub@redhat.com>
5628 * include/experimental/memory: Replace UTF-8 quote characters.
5629 * include/std/future: Replace UTF-8 "em dash" characters.
5631 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5634 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
5635 * include/debug/forward_list: Likewise.
5636 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
5638 * include/experimental/chrono: Likewise.
5639 * include/experimental/functional: Likewise.
5640 * include/experimental/ratio: Likewise.
5641 * include/experimental/system_error: Likewise.
5642 * include/experimental/tuple: Likewise.
5643 * include/experimental/type_traits: Likewise.
5644 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
5645 * include/parallel/multiseq_selection.h: Likewise.
5648 * config/abi/pre/gnu.ver: Add missing exports.
5649 * testsuite/22_locale/collate_byname/88681.cc: New test.
5650 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
5651 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
5653 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
5655 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
5656 initializer_list<value_type> and from input iterator ranges.
5657 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
5659 * testsuite/experimental/string_view/element_access/char/empty.cc:
5660 Fix year range in copyright header.
5662 2019-01-02 Joel Brobecker <brobecker@adacore.com>
5664 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
5665 Fix year range in copyright header.
5667 2019-01-01 Jakub Jelinek <jakub@redhat.com>
5669 Update copyright years.
5671 Copyright (C) 2019 Free Software Foundation, Inc.
5673 Copying and distribution of this file, with or without modification,
5674 are permitted in any medium without royalty provided the copyright
5675 notice and this notice are preserved.