1 2019-10-11 Jonathan Wakely <jwakely@redhat.com>
3 * include/Makefile.am: Add new header.
4 * include/Makefile.in: Regenerate.
5 * include/precompiled/stdc++.h: Include <concepts>.
6 * include/std/concepts: New header for C++20.
7 * include/std/version (__cpp_lib_concepts): Define.
8 * scripts/create_testsuite_files: Look for test files in new std
10 * testsuite/libstdc++-dg/conformance.exp: Likewise.
11 * testsuite/std/concepts/concepts.callable/invocable.cc: New test.
12 * testsuite/std/concepts/concepts.callable/regular_invocable.cc: New
14 * testsuite/std/concepts/concepts.callable/relation.cc: New test.
15 * testsuite/std/concepts/concepts.callable/strictweakorder.cc: New
17 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
18 floating_point.cc: New test.
19 * testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc:
21 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
22 signed_integral.cc: New test.
23 * testsuite/std/concepts/concepts.lang/concept.arithmetic/
24 unsigned_integral.cc: New test.
25 * testsuite/std/concepts/concepts.lang/concept.assignable/1.cc: New
27 * testsuite/std/concepts/concepts.lang/concept.common/1.cc: New test.
28 * testsuite/std/concepts/concepts.lang/concept.commonref/1.cc: New
30 * testsuite/std/concepts/concepts.lang/concept.constructible/1.cc:
32 * testsuite/std/concepts/concepts.lang/concept.convertible/1.cc:
34 * testsuite/std/concepts/concepts.lang/concept.copyconstructible/1.cc:
36 * testsuite/std/concepts/concepts.lang/concept.defaultconstructible/
38 * testsuite/std/concepts/concepts.lang/concept.derived/1.cc:
40 * testsuite/std/concepts/concepts.lang/concept.destructible/1.cc:
42 * testsuite/std/concepts/concepts.lang/concept.moveconstructible/1.cc:
44 * testsuite/std/concepts/concepts.lang/concept.same/1.cc:
46 * testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc:
48 * testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc:
50 * testsuite/std/concepts/concepts.lang/concept.swappable/
51 swappable_with.cc: New test.
52 * testsuite/std/concepts/concepts.object/copyable.cc: New test.
53 * testsuite/std/concepts/concepts.object/movable.cc: New test.
54 * testsuite/std/concepts/concepts.object/regular.cc: New test.
55 * testsuite/std/concepts/concepts.object/semiregular.cc: New test.
57 * include/std/type_traits (is_same): Replace partial specialization
58 by using __is_same_as built-in in primary template.
59 (is_same_v): Use __is_same_as built-in instead of instantiating the
63 * include/tr2/dynamic_bitset (__dynamic_bitset_base): Define all
64 special member functions as defaulted. Add noexcept to most members.
65 (__dynamic_bitset_base(size_t, unsigned long long, const _Alloc&)):
66 Mask off unwanted bits in the __val parameter. Avoid undefined left
68 (__dynamic_bitset_base::_M_assign): Remove.
69 (__dynamic_bitset_base::_M_do_reset): Use std::fill.
70 (__dynamic_bitset_base::_M_are_all_aux): Avoid integer promotion when
71 block_type has lower rank than int.
72 (dynamic_bitset): Add noexcept to most members. Use injected-class-name
73 in return types and parameter types.
74 (dynamic_bitset::_M_Nb): Add default member initializer.
75 (dynamic_bitset(), dynamic_bitset(const dynamic_bitset&)): Define as
77 (dynamic_bitset(dynamic_bitset&&)): Clear source object after move.
78 (dynamic_bitset::operator=(const dynamic_bitset&)): Define as
80 (dynamic_bitset::operator=(dynamic_bitset&&)): Add noexcept-specifier.
81 Define without using swap, to propagate allocator correctly.
82 (dynamic_bitset(const char*, const _Alloc&)): Use strlen.
83 (dynamic_bitset::_M_do_sanitize, dynamic_bitset::_M_do_fill): Use
84 casts to avoid unwanted integer promotions.
85 (dynamic_bitset::_M_copy_from_ptr): Rearrange template parameters and
86 add default template arguments and default argument to simplify usage.
87 (dynamic_bitset::_M_copy_from_string): Adjust call to _M_copy_from_ptr.
88 (operator==(const dynamic_bitset&, const dynamic_bitset&))
89 (operator<(const dynamic_bitset&, const dynamic_bitset&)): Use _M_Nb.
90 * include/tr2/dynamic_bitset.tcc (dynamic_bitset::_M_copy_from_ptr):
91 Adjust template parameters to match declaration.
92 * testsuite/tr2/dynamic_bitset/cmp.cc: New test.
93 * testsuite/tr2/dynamic_bitset/cons.cc: New test.
94 * testsuite/tr2/dynamic_bitset/copy.cc: New test.
95 * testsuite/tr2/dynamic_bitset/move.cc: New test.
96 * testsuite/tr2/dynamic_bitset/pr92059.cc: New test.
98 * include/bits/charconv.h (__to_chars_len): Avoid -Wsign-compare
101 2019-10-10 Jonathan Wakely <jwakely@redhat.com>
104 * src/c++98/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]
105 (find_ldbl_sync_facet): Fix parameter type and missing return.
107 2019-10-09 Marek Polacek <polacek@redhat.com>
109 PR c++/91364 - P0388R4: Permit conversions to arrays of unknown bound.
110 PR c++/69531 - DR 1307: Differently bounded array parameters.
111 PR c++/88128 - DR 330: Qual convs and pointers to arrays of pointers.
112 * testsuite/23_containers/span/lwg3255.cc: Adjust test to match the
113 post-P0388R4 behavior.
115 2019-10-09 Jonathan Wakely <jwakely@redhat.com>
118 * src/c++98/locale.cc (locale::id::_M_id()) [__GTHREADS]: Use atomic
119 compare-exchange or double-checked lock to ensure only one thread sets
120 the _M_index variable.
121 [_GLIBCXX_LONG_DOUBLE_COMPAT]: Call find_ldbl_sync_facet to detect
122 facets that share another facet's ID.
123 [_GLIBCXX_LONG_DOUBLE_COMPAT] (find_ldbl_sync_facet): New function.
126 * src/c++98/locale_init.cc (locale::classic()): Do not construct a new
127 locale object for every call.
128 (locale::_S_initialize_once()): Construct C locale here.
130 2019-10-08 Jonathan Wakely <jwakely@redhat.com>
132 * doc/Makefile.am (doc-html-docbook-regenerate): New target.
133 (${docbook_outdir}/html): Do not create unused 'html/ext' directory.
134 * doc/Makefile.in: Regenerate.
135 * doc/xml/manual/documentation_hacking.xml: Document new target.
136 * doc/html/*: Regenerate.
138 * doc/xml/manual/allocator.xml: Use archived copy of CUJ article.
139 * doc/html/*: Regenerate.
141 2019-10-06 François Dumont <fdumont@gcc.gnu.org>
143 * include/bits/stl_algo.h
144 (__copy_n_a(_IIte, _Size, _OIte)): New.
145 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New declaration.
146 (__copy_n(_IIte, _Size, _OIte, input_iterator_tag)): Adapt to use
148 * include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
149 std::__copy_n_a friend.
150 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New.
151 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1.cc: New.
152 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1_neg.cc: New.
153 * testsuite/25_algorithms/copy_n/istreambuf_iterator/2_neg.cc: New.
155 * include/bits/stl_iterator_base_types.h (__iterator_category_t): Define
157 (_RequireInputIte): Likewise and use __enable_if_t.
158 * include/std/numeric
159 (__is_random_access_iter): Use __iterator_category_t.
161 * include/bits/stl_algo.h (copy_n): Add __glibcxx_requires_can_increment
163 * testsuite/25_algorithms/copy_n/debug/1_neg.cc: New.
164 * testsuite/25_algorithms/copy_n/debug/2_neg.cc: New.
166 2019-10-04 François Dumont <fdumont@gcc.gnu.org>
168 * include/debug/forward_list
169 (_Sequence_traits<__debug::forward_list<>>::_S_size): Returns __dp_sign
170 distance when not empty.
171 * include/debug/list (_Sequence_traits<__debug::list<>>::_S_size):
173 * include/debug/helper_functions.h (__dp_sign_max_size): New
174 _Distance_precision enum entry.
175 (__valid_range_aux(_IIte, _IIte, _Distance_traits<>::__type,
176 __false_type)): Adapt.
177 * include/debug/safe_iterator.tcc
178 (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator&)): Review
179 distance computation.
181 2019-10-04 Jonathan Wakely <jwakely@redhat.com>
185 * configure.ac: Use AC_SYS_LARGEFILE to enable 64-bit file APIs.
186 * config.h.in: Regenerate:
187 * configure: Regenerate:
188 * include/Makefile.am (${host_builddir}/largefile-config.h): New
189 target to generate config header for filesystem library.
190 (${host_builddir}/c++config.h): Rename macros for large file support.
191 * include/Makefile.in: Regenerate.
192 * src/c++17/fs_dir.cc: Include new config header.
193 * src/c++17/fs_ops.cc: Likewise.
194 (filesystem::file_size): Use uintmax_t for size.
195 * src/filesystem/dir.cc: Include new config header.
196 * src/filesystem/ops.cc: Likewise.
197 (experimental::filesystem::file_size): Use uintmax_t for size.
199 * testsuite/util/testsuite_abi.h: Use std::unordered_map instead of
200 std::tr1::unordered_map.
201 * testsuite/util/testsuite_allocator.h: Likewise.
203 * include/tr1/hashtable.h: Add header for __gnu_cxx::__alloc_traits.
205 * include/tr1/hashtable.h (tr1::_Hashtable::_M_allocate_node): Use
206 __gnu_cxx::__alloc_traits for allocator construct function.
207 (tr1::_Hashtable::_M_deallocate_node): Likewise for destroy function.
209 * include/precompiled/stdc++.h: Include <span> for C++20.
210 * testsuite/17_intro/names.cc: Do not define 'e' for C++20.
212 2019-10-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
214 * include/parallel/multiway_merge.h (_RAIter3): Replace _C by _Cp.
216 2019-10-02 Jonathan Wakely <jwakely@redhat.com>
218 * config/abi/pre/gnu.ver: Tighten up greedy wildcards.
220 * doc/xml/manual/parallel_mode.xml: Add caveat about support for
222 * doc/html/*: Regenerate.
224 2019-10-01 Jonathan Wakely <jwakely@redhat.com>
226 * include/experimental/algorithm (experimental::sample): Qualify call
227 to __sample correctly.
228 * include/parallel/algo.h (sample, for_each_n): Add using-declarations
229 for algorithms that don't have parallel implementations.
231 * include/parallel/algobase.h (equal, lexicographical_compare): Add
232 _GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
234 * include/parallel/algorithmfwd.h (equal, lexicographical_compare):
235 Add _GLIBCXX20_CONSTEXPR.
237 * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
239 * testsuite/20_util/hash/84998.cc: Likewise.
240 * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
241 * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
242 * testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
243 * testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
244 * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
245 * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
246 * testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
247 * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
249 * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
251 * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
253 * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
255 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
257 * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
258 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
259 * testsuite/25_algorithms/copy/86658.cc: Likewise.
260 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
261 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
262 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
263 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
265 * include/parallel/algo.h: Replace non-reserved names.
266 * include/parallel/multiway_merge.h: Likewise.
267 * include/parallel/multiway_mergesort.h: Likewise.
268 * include/parallel/numericfwd.h: Likewise.
269 * testsuite/17_intro/names.cc: Add RAI to test macros.
271 2019-09-30 François Dumont <fdumont@gcc.gnu.org>
273 * include/debug/array: Add C++20 constexpr to comparison operators.
274 * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
275 dg-error line numbers.
276 * testsuite/23_containers/array/tuple_interface/
277 tuple_element_debug_neg.cc: Likewise.
279 2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
281 * include/experimental/internet: Include netinet/in.h if we have
282 _GLIBCXX_HAVE_NETINET_IN_H defined.
284 * testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
285 FreeBSD warning about lower advertised precision of tgammal.
286 * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
287 * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
288 * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
289 * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
290 * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
291 * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
292 * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
293 * testsuite/tr1/5_numerical_facilities/special_functions/
294 08_cyl_bessel_i/check_nan.cc: Likewise.
295 * testsuite/tr1/5_numerical_facilities/special_functions/
296 09_cyl_bessel_j/check_nan.cc: Likewise.
297 * testuite/tr1/5_numerical_facilities/special_functions/
298 10_cyl_bessel_k/check_nan.cc: Likewise.
299 * testsuite/tr1/5_numerical_facilities/special_functions/
300 11_cyl_neumann/check_nan.cc: Likewise.
301 * testsuite/tr1/5_numerical_facilities/special_functions/
302 21_sph_bessel/check_nan.cc: Likewise.
303 * testsuite/tr1/5_numerical_facilities/special_functions/
304 23_sph_neumann/check_nan.cc: Likewise.
306 2019-09-30 Jonathan Wakely <jwakely@redhat.com>
308 * include/std/span (span(element_type(&)[N]))
309 (span(array<value_type, N>&), span(const array<value_type, N>&)):
310 Deduce array element type to allow safe const conversions (LWG 3255).
311 [!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
312 remove_cv_t on arguments to __is_std_span and __is_std_array.
313 * testsuite/23_containers/span/lwg3255.cc: New test.
316 * include/parallel/checkers.h (__is_sorted): Remove unused variable.
318 2019-09-28 François Dumont <fdumont@gcc.gnu.org>
320 * include/bits/stl_algo.h (merge): Fix documentation.
321 * include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
322 (__check_sorted): Likewise and remove nested irreflexive check.
323 (__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
324 (__check_partitioned_lower, __check_partitioned_upper): Likewise.
325 (_Irreflexive_checker::_S_is_valid): Likewise.
326 (__is_irreflexive, __is_irreflexive_pred): Likewise.
327 * include/debug/helper_functions.h (__get_distance): Add constexpr.
328 (__valid_range_aux): Add C++20 constexpr.
329 (__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
330 Likewise and add std::is_constant_evaluated check.
331 (__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
332 (__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
333 (__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
335 (__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
336 __builtin_is_contant_evaludated check..
337 (__can_advance, __base): Add constexpr.
338 * include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
339 (_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
340 (__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
341 (__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
342 * testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
344 * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
345 * testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
346 lambda to be irreflexive.
348 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
350 * configure: Regenerate.
352 2019-09-27 Jonathan Wakely <jwakely@redhat.com>
355 * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
356 atomically and lock the mutex before accessing the sequence.
357 (_Safe_local_iterator_base::_M_detach()): Likewise.
358 (_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
360 2019-09-26 Jonathan Wakely <jwakely@redhat.com>
362 * include/debug/array (to_array): Define for debug mode.
364 * include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
365 piecewise construction constructor, assignment operators, and swap.
366 * include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
367 Add _GLIBCXX20_CONSTEXPR.
368 (pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
369 * testsuite/20_util/pair/constexpr_assign.cc: New test.
370 * testsuite/20_util/pair/constexpr_swap.cc: New test.
372 * include/experimental/internet (operator==, operator<): Fix loop
373 condition to avoid reading past the end of the array.
375 * include/std/array: Remove references to profile mode.
376 * include/std/bitset: Likewise.
377 * include/std/deque: Likewise.
378 * include/std/forward_list: Likewise.
379 * include/std/list: Likewise.
380 * include/std/map: Likewise.
381 * include/std/set: Likewise.
382 * include/std/unordered_map: Likewise.
383 * include/std/unordered_set: Likewise.
384 * include/std/vector: Likewise.
385 * testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
386 * testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
388 2019-09-25 Jonathan Wakely <jwakely@redhat.com>
390 * include/bits/regex.h
391 (basic_regex::assign(const C*, size_t, flag_type)): Add default
393 * testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
394 * testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
396 2019-09-24 Jonathan Wakely <jwakely@redhat.com>
398 * include/std/variant (variant::index()): Remove impossible case.
401 * testsuite/util/testsuite_hooks.h
402 (conversion::iterator_to_const_iterator()): Do not return an invalid
403 iterator. Test direct-initialization and direct-list-initialization
404 as well as implicit conversion.
406 2019-09-23 Jonathan Wakely <jwakely@redhat.com>
408 PR libstdc++/91788 (partial)
409 * include/std/variant (variant::index()): Improve codegen for cases
410 where conversion to size_t already works correctly.
412 2019-09-23 Andreas Schwab <schwab@suse.de>
414 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
416 2019-09-12 Jonathan Wakely <jwakely@redhat.com>
419 * include/bits/stl_algo.h (for_each_n): Fix random access iterator
421 * testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
424 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
426 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
429 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
430 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
431 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
434 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
436 * include/std/type_traits (__do_common_type_impl): Implement
437 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
438 (basic_common_reference, common_reference, common_reference_t): Define
440 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
442 * testsuite/20_util/common_reference/requirements/
443 explicit_instantiation.cc: New test.
444 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
447 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
448 non-template overloads for each signed and unsigned integer type and
449 char. Define deleted overload for bool (LWG 3266).
450 * testsuite/20_util/to_chars/1_neg.cc: Remove.
451 * testsuite/20_util/to_chars/3.cc: New test.
452 * testsuite/20_util/to_chars/lwg3266.cc: New test.
454 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
456 * acinclude.m4: Handle uclinux*.
457 * configure: Regenerate.
458 * configure.host: Handle uclinux*
460 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
461 Mickaël Guêné <mickael.guene@st.com>
463 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
466 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
469 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
470 0ul being a valid null pointer constant.
472 * include/std/type_traits (__remove_cv_t): New alias template.
473 (is_void, is_integral, is_floating_point, is_pointer)
474 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
475 (is_member_point), __is_signed_integer, __is_unsigned_integer)
476 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
477 (__decay_selector): Use __remove_cv_t.
478 (remove_cv): Add partial specializations for cv-qualified types.
479 (__decay_t): New alias template.
480 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
482 (__enable_if_t): Move earlier in the file.
483 (_Require): Use __enable_if_t.
484 (swap(T&, T&)): Use _Require.
485 (swap(T(&)[N])): Use __enable_if_t.
487 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
489 Implement C++20 p1424 - 'constexpr' feature macro concerns,
490 Issue 3256 - Feature testing macro for constexpr algorithms,
491 and Issue 3257 - Missing feature testing macro update from P0858.
492 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
493 * include/bits/algorithmfwd.h: Ditto.
494 * include/std/utility: Ditto.
495 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
496 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
497 __cpp_lib_constexpr macro in <algorith>.
498 * testsuite/20_util/exchange/constexpr.cc: Add check for
499 __cpp_lib_constexpr macro in <utility>.
500 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
501 __cpp_lib_constexpr_algorithms.
502 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
503 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
504 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
505 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
506 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
507 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
508 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
509 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
510 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
511 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
512 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
513 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
514 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
515 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
516 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
517 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
518 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
519 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
520 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
521 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
522 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
523 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
524 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
525 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
526 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
527 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
528 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
529 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
530 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
531 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
532 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
533 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
534 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
535 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
536 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
537 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
538 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
539 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
540 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
541 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
542 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
543 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
544 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
545 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
546 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
547 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
548 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
549 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
550 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
551 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
552 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
553 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
554 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
556 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
558 Update docs for recent <span> and constexpr lib changes.
559 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
560 p1023r0, p1085r2 status.
561 * doc/html/manual/status.html: Regenerate.
563 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
565 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
566 final offsets with constants.
568 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
570 * include/bits/range_access.h (__adl_to_address): Remove.
571 * include/std/span (__is_base_derived_safe_convertible_v): Replace
572 with span::__is_compatible.
573 (__is_std_array_v): Replace with __is_std_array class template and
574 partial specializations.
575 (__is_std_array, __is_std_span): New class templates and partial
577 (span::__is_compatible): New alias template for SFINAE constraints.
578 (span::span(element_type (&)[N])): Remove redundant constraints. Do
579 not use __adl_data to obtain a pointer.
580 (span::span(array<value_type, N>&)): Likewise.
581 (span::span(const array<value_type, N>&)): Likewise.
582 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
583 (span::iter_value_t, span::derived_from): New alias templates for
584 SFINAE constraints, until the equivalents are supported in <concepts>
586 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
587 for SFINAE constraints.
588 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
590 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
591 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
592 Use std::to_address instead of __adl_to_address.
593 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
594 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
595 template for SFINAE constraints.
596 [!_GLIBCXX_P1394] (span::span(Container&))
597 (span::span(const Container&)): Improve constraints.
598 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
599 (span::span(pointer, pointer)): Remove redundant cast of pointer.
600 (span(const span<OType, OExtent>&)): New constructor.
602 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
604 * include/bits/range_access.h (ssize): Define for C++20.
605 * testsuite/24_iterators/range_access_cpp20.cc: New test.
606 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
607 * doc/html/*: Regenerate.
609 2019-09-06 Florian Weimer <fweimer@redhat.com>
611 * configure: Regenerate.
613 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
615 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
616 P1024R3. Remove entry for P0920R2.
617 * include/std/span (__cpp_lib_span): Change value.
618 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
620 (span): Replace __extent_storage base class with data member.
621 (span::_S_subspan_extent): New function.
622 (span::empty()): Add nodiscard attribute.
623 (span::front, span::back, span::operator[]): Check preconditions.
624 (span::first, span::last, span::subspan): Add noexcept. Improve
625 precondition checks (LWG 3103).
626 (get): Remove redundant condition from static_assert.
627 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
628 (as_writable_bytes): Add inline specifier.
629 * include/std/version (__cpp_lib_span): Change value.
630 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
631 * testsuite/23_containers/span/front_neg.cc: Likewise.
632 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
633 * testsuite/23_containers/span/last_neg.cc: Improve test.
634 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
635 * testsuite/23_containers/span/1.cc: New test.
636 * testsuite/23_containers/span/2.cc: New test.
637 * testsuite/23_containers/span/back_assert_neg.cc: New test.
638 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
639 * testsuite/23_containers/span/first_assert_neg.cc: New test.
640 * testsuite/23_containers/span/first_neg.cc: New test.
641 * testsuite/23_containers/span/front_assert_neg.cc: New test.
642 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
643 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
644 * testsuite/23_containers/span/last_assert_neg.cc: New test.
645 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
646 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
647 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
648 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
649 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
650 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
652 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
654 * include/Makefile.am: Add <span> header.
655 * include/Makefile.in: Regenerate.
656 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
657 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
658 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
659 New functions for performing argument-dependent lookup of range
660 customization points.
661 * include/bits/stl_iterator.h (__normal_iterator): Add
662 _GLIBCXX20_CONSTEXPR to all functions.
663 * include/std/span: New header.
664 * include/std/version (__cpp_lib_span): Define feature test macro.
665 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
666 * testsuite/23_containers/span/everything.cc: New test.
667 * testsuite/23_containers/span/get_neg.cc: New test.
668 * testsuite/23_containers/span/last_neg.cc: New test.
669 * testsuite/23_containers/span/subspan_neg.cc: New test.
670 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
671 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
672 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
674 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
676 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
677 * doc/html/*: Regenerate.
679 2019-09-04 Mike Crowe <mac@mcrowe.com>
682 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
683 pthread_cond_clockwait function.
684 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
685 * configure: Regenerate.
686 * config.h.in: Regenerate.
687 * include/std/condition_variable: (condition_variable): Rename
688 __steady_clock_t typedef and add system_clock. Change __clock_t to be
689 a typedef for the preferred clock to convert arbitrary other clocks to.
690 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
692 (wait_until): Change __clock_t overload to use system_clock.
693 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
694 steady_clock overload that calls pthread_cond_clockwait.
695 (__wait_until_impl): Change __clock_t overload to use system_clock.
696 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
697 steady_clock for __clock_t if pthread_cond_clockwait is available.
699 2019-09-04 Mike Crowe <mac@mcrowe.com>
701 * testsuite/30_threads/condition_variable/members/2.cc (test01):
702 Parameterise so that test can be run against an arbitrary clock.
703 (main): Test using std::chrono::steady_clock and a user-defined
704 clock in addition to the previous std::chrono::system_clock.
705 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
707 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
709 * crossconfig.m4: Remove references to spu.
710 * configure: Regenerate.
711 * doc/xml/manual/appendix_contributing.xml: Remove references
712 to __ea as "badword" for spu.
713 * doc/html/manual/source_code_style.html: Regenerate.
714 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
715 to avoid __ea (as "badword" for spu).
716 (__ellint_rj): Likewise.
718 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
721 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
722 scanning to conform to the GNU Coding Standards.
723 * configure: Regenerate.
725 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
727 * src/c++17/memory_resource.cc: Use __constinit keyword.
729 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
731 * doc/xml/manual/abi.xml: Document 9.x library versions.
732 * doc/html/*: Regenerate.
734 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
736 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
737 (__detail::__to_chars_8_len): Remove.
738 (__detail::__to_chars_8): Inline length calculation here.
739 (__detail::__from_chars_binary): Use numeric_limits instead of
742 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
744 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
745 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
746 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
747 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
750 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
752 * testsuite_files/util/testsuite_performance.h
753 (resource_counter::start): Ignore unused malloc(0) result.
755 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
757 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
758 Model Object Technologies): Adjust name and link.
760 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
762 * include/std/charconv (__detail::__to_chars_8)
763 __detail::__to_chars_16): Replace array of precomputed digits with
764 arithmetic operations to avoid CPU cache misses. Remove zero
765 termination from array of digits to allow symbol merge with generic
766 implementation of __detail::__to_chars. Replace final offsets with
767 constants. Use __detail::__to_chars_len_2 instead of a generic
768 __detail::__to_chars_len.
769 (__detail::__to_chars): Remove zero termination from array of digits.
770 (__detail::__to_chars_2): Leading digit is always '1'.
772 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
774 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
776 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
778 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
780 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
783 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
784 to template parameters.
785 * include/bits/stl_uninitialized.h (uninitialized_copy)
786 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
787 diagnose invalid uses.
788 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
789 Adjust expected error.
790 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
792 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
794 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
796 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
798 * testsuite/23_containers/vector/cons/89164.cc: New test.
799 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
801 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
804 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
805 * configure: Regenerate.
806 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
808 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
810 * testsuite/util/testsuite_abi.cc: Add new symbol version.
812 2019-08-29 Jakub Jelinek <jakub@redhat.com>
814 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
815 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
817 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
819 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
820 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
821 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
822 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
823 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
824 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
825 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
827 2019-08-23 Joseph Myers <joseph@codesourcery.com>
829 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
830 (std::filesystem::__gnu_posix::lstat): Add return type.
832 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
834 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
836 * include/std/numeric (reduce): Fix Doxygen markup.
839 * include/std/type_traits (is_function): Simplify definition. Remove
840 partial specializations for function types.
841 (__is_referenceable): Simplify definition.
842 * testsuite/20_util/bind/91371.cc: New test.
843 * testsuite/20_util/is_function/91371.cc: New test.
844 * testsuite/20_util/is_function/value.cc: Check more pointer types.
845 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
846 * testsuite/20_util/is_object/91371.cc: New test.
848 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
850 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
852 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
855 * include/bits/std_function.h (__check_func_return_type): Remove.
856 (function::_Callable): Use std::__is_invocable_impl instead of
857 __check_func_return_type.
858 * include/std/type_traits (__is_invocable_impl): Add another defaulted
859 template parameter. Define a separate partial specialization for
860 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
861 with a check that models delayed temporary materialization.
862 * testsuite/20_util/function/91456.cc: New test.
863 * testsuite/20_util/is_invocable/91456.cc: New test.
865 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
867 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
869 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
871 Implement C++20 p0879 - Constexpr for swap and swap related functions.
872 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
873 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
875 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
876 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
877 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
878 * include/bits/move.h (swap): Add constexpr.
879 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
880 (__gcd, __rotate, rotate, __partition, __heap_select)
881 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
882 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
883 (__introselect, __chunk_insertion_sort, next_permutation)
884 (prev_permutation, partition, partial_sort, nth_element, sort)
885 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
886 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
887 (swap_ranges): Add constexpr.
888 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
889 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
891 * include/std/type_traits (swap): Add constexpr.
892 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
893 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
894 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
895 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
896 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
897 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
898 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
899 * testsuite/25_algorithms/partition/constexpr.cc: New test.
900 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
901 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
902 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
903 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
904 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
905 * testsuite/25_algorithms/sort/constexpr.cc: New test.
906 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
907 * testsuite/25_algorithms/swap/constexpr.cc: New test.
908 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
910 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
913 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
915 * include/std/tuple (__unpack_std_tuple): New variable template and
916 partial specializations.
917 (apply, make_from_tuple): Add noexcept-specifier.
918 * testsuite/20_util/tuple/apply/2.cc: New test.
919 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
921 2019-08-09 Corentin Gay <gay@adacore.com>
923 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
924 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
925 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
926 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
927 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
928 Add call to `VERIFY`.
930 2019-08-09 Alexandre Oliva <oliva@adacore.com>
933 (normal_mv_distribution::param_type::param_type): New private
934 ctor taking a decomposed varcov matrix, for use by...
935 (operator>>): ... this, befriended.
936 * include/ext/random.tcc (operator>>): Use it.
937 (normal_mv_distribution::param_type::_M_init_lower): Adjust
938 member function name in exception message.
940 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
942 P0325R4 to_array from LFTS with updates
943 * include/experimental/array (to_array): Qualify call to __to_array.
944 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
945 * include/std/version (__cpp_lib_to_array): Likewise.
946 * testsuite/23_containers/array/creation/1.cc: New test.
947 * testsuite/23_containers/array/creation/2.cc: New test.
948 * testsuite/23_containers/array/creation/3_neg.cc: New test.
949 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
950 Use zero for dg-error line number.
952 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
954 P1651R0 bind_front should not unwrap reference_wrapper
955 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
956 * include/std/version (__cpp_lib_bind_front): Update value.
957 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
959 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
961 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
962 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
963 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
964 specializations for __float128.
965 * testsuite/26_numerics/numbers/float128.cc: New test.
967 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
969 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
972 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
974 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
975 in <algorithm> and <utility> Headers.
976 Implement C++20 p1023 - constexpr comparison operators for std::array.
977 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
978 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
979 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
980 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
981 none_of, partition_copy, partition_point, remove, remove_if,
982 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
983 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
984 count_if, equal, find, find_first_of, find_if, for_each, generate,
985 generate_n, lexicographical_compare, merge, mismatch, replace,
986 replace_if, search, search_n, set_difference, set_intersection,
987 set_symmetric_difference, set_union, transform, unique_copy):
989 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
990 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
991 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
992 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
993 Use const ref instead of ref arg;
994 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
995 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
996 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
997 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
998 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
999 __iter_comp_iter): Mark constexpr.
1000 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
1001 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
1002 none_of, any_of, find_if_not, is_partitioned, partition_point,
1003 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
1004 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
1005 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
1006 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
1007 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
1008 __equal_range, equal_range, binary_search, __includes, includes,
1009 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
1010 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
1011 is_sorted_until, __is_permutation, is_permutation, for_each, find,
1012 find_if, find_first_of, adjacent_find, count, count_if, search,
1013 search_n, transform, replace, replace_if, generate, generate_n,
1014 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
1015 set_intersection, __set_difference, set_difference,
1016 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
1017 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
1018 wrappers around __builtin_memmove and __builtin_memcmp
1020 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
1021 copy, move, __copy_move_b, __copy_move_backward_a,
1022 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
1023 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
1024 __lexicographical_compare_impl, __lexicographical_compare,
1025 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
1026 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
1027 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
1028 is_heap): Mark constexpr.
1029 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
1030 is_heap): Mark constexpr.
1031 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
1032 * include/std/array: Make comparison ops constexpr.
1033 * include/std/utility: Make exchange constexpr.
1034 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
1035 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
1036 * testsuite/23_containers/array/tuple_interface/
1037 tuple_element_neg.cc: Adjust.
1038 * testsuite/20_util/exchange/constexpr.cc: New.
1039 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
1040 * testsuite/25_algorithms/constexpr_macro.cc: New.
1041 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
1042 * testsuite/25_algorithms/all_of/constexpr.cc: New.
1043 * testsuite/25_algorithms/any_of/constexpr.cc: New.
1044 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
1045 * testsuite/25_algorithms/copy/constexpr.cc: New.
1046 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
1047 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
1048 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
1049 * testsuite/25_algorithms/count/constexpr.cc: New.
1050 * testsuite/25_algorithms/count_if/constexpr.cc: New.
1051 * testsuite/25_algorithms/equal/constexpr.cc: New.
1052 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
1053 * testsuite/25_algorithms/fill/constexpr.cc: New.
1054 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
1055 * testsuite/25_algorithms/find/constexpr.cc: New.
1056 * testsuite/25_algorithms/find_end/constexpr.cc: New.
1057 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
1058 * testsuite/25_algorithms/find_if/constexpr.cc: New.
1059 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
1060 * testsuite/25_algorithms/for_each/constexpr.cc: New.
1061 * testsuite/25_algorithms/generate/constexpr.cc: New.
1062 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
1063 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
1064 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
1065 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
1066 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
1067 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
1068 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
1069 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
1070 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
1071 * testsuite/25_algorithms/merge/constexpr.cc: New.
1072 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
1073 * testsuite/25_algorithms/none_of/constexpr.cc: New.
1074 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
1075 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
1076 * testsuite/25_algorithms/remove/constexpr.cc: New.
1077 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
1078 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
1079 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
1080 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
1081 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
1082 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
1083 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
1084 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
1085 * testsuite/25_algorithms/search/constexpr.cc: New.
1086 * testsuite/25_algorithms/search_n/constexpr.cc: New.
1087 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
1088 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
1089 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
1090 * testsuite/25_algorithms/set_union/constexpr.cc: New.
1091 * testsuite/25_algorithms/transform/constexpr.cc: New.
1092 * testsuite/25_algorithms/unique/constexpr.cc: New.
1093 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
1094 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
1096 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
1098 * include/std/memory (make_obj_using_allocator): Qualify call to
1099 uses_allocator_construction_args.
1101 P0631R4 Math Constants
1102 * include/Makefile.am: Add new header.
1103 * include/Makefile.in: Regenerate.
1104 * include/precompiled/stdc++.h: Include new header.
1105 * include/std/numbers: New header.
1106 * include/std/version (__cpp_lib_math_constants): Define.
1107 * testsuite/26_numerics/numbers/1.cc: New test.
1108 * testsuite/26_numerics/numbers/2.cc: New test.
1109 * testsuite/26_numerics/numbers/3.cc: New test.
1110 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
1112 * include/std/bit: Add Doxygen comments.
1115 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
1116 constraints on deleter that should only apply to the constructor.
1117 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
1118 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
1119 constraints on deleter here.
1120 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
1122 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
1125 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
1127 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
1129 * testsuite/18_support/51333.cc: New test.
1131 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
1133 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
1134 to the Doxygen manual. Avoid a "here" link on the way.
1135 Fix another broken link to Doxygen docblocks.
1137 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
1139 * include/std/bit (__cpp_lib_endian): Define.
1140 * include/std/version (__cpp_lib_endian): Define.
1141 * testsuite/26_numerics/endian/2.cc: New.
1142 * testsuite/26_numerics/endian/3.cc: New.
1143 * testsuite/26_numerics/endian/4.cc: New.
1145 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
1147 * testsuite/util/testsuite_iterators.h
1148 (bidirectional_iterator_wrapper): Fix type comment.
1149 (random_access_iterator_wrapper): Likewise.
1151 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
1153 * include/std/bit (endian): Move definition here as per P1612R1.
1154 * include/std/type_traits (endian): Remove definition from here.
1155 * testsuite/20_util/endian/1.cc: Rename to ...
1156 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
1158 2019-07-25 Martin Liska <mliska@suse.cz>
1159 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
1162 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
1163 -fno-allocation-dce.
1164 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
1165 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
1166 * testsuite/ext/new_allocator/check_new.cc: Likewise.
1168 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
1170 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
1171 * testsuite/26_numerics/bit/bit.count/*: Here.
1173 * include/std/bit (__rotl, __rotr): Change second parameter from
1174 unsigned int to int and handle negative values.
1175 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
1176 parameter from unsigned int to int. Add nodiscard attribute.
1177 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
1178 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
1180 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
1181 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
1184 * include/std/bit (__ceil2): Make unrepresentable results undefined,
1185 as per P1355R2. Add debug assertion. Perform one left shift, not two,
1186 so that out of range values cause undefined behaviour. Ensure that
1187 shift will still be undefined if left operand is promoted.
1188 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
1189 unrepresentable values with checks that they are not core constant
1191 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
1193 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
1195 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
1196 sized deallocation size computation.
1198 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
1200 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
1202 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
1204 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
1205 (~_Temporary_buffer()): Use latter.
1206 (_Temporary_buffer(_FIterator, size_type)): Likewise.
1208 2019-07-17 Andreas Schwab <schwab@suse.de>
1210 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1212 2019-07-16 Jason Merrill <jason@redhat.com>
1214 * include/std/memory (uses_allocator_construction_args): Add parens
1217 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
1219 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
1221 * include/experimental/string_view (__detail::__idt): Remove.
1222 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1223 Use __type_identity_t instead of __detail::__idt;
1224 * include/std/string_view (__detail::__idt): Remove.
1225 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1226 Use __type_identity_t instead of __detail::__idt;
1227 * include/std/type_traits (__type_identity_t): New alias template.
1229 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
1230 and floating point atomics.
1232 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
1234 * doc/xml/manual/configure.xml: Improve documentation of
1235 --enable-libstdcxx-time option.
1237 * include/bits/atomic_base.h (__atomic_impl): New namespace for
1238 wrappers around atomic built-ins.
1239 (__atomic_float, __atomic_ref): New class templates for use as base
1241 * include/std/atomic (atomic<float>, atomic<double>)
1242 (atomic<long double>): New explicit specializations.
1243 (atomic_ref): New class template.
1244 (__cpp_lib_atomic_ref): Define.
1245 * include/std/version (__cpp_lib_atomic_ref): Define.
1246 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
1247 * testsuite/29_atomics/atomic_float/1.cc: New test.
1248 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
1249 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
1250 * testsuite/29_atomics/atomic_ref/float.cc: New test.
1251 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
1252 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
1253 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
1254 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
1256 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
1258 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
1259 throw() with _GLIBCXX_NOTHROW.
1260 (__atomic_add_dispatch): Return after performing atomic increment.
1262 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
1264 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
1265 (__exchange_and_add): Replace static specifier with always_inline
1267 (__exchange_and_add_single, __atomic_add_single): Likewise.
1268 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
1269 combine !__gthread_active_p() and !__GTHREADS branches.
1271 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
1274 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
1275 * configure: Regenerate.
1276 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
1278 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
1279 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1281 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
1283 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
1284 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
1285 instead of __is_identifier to detect Clang support.
1287 2019-07-02 Jim Wilson <jimw@sifive.com>
1289 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
1291 * configure: Regenerate.
1293 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
1296 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
1297 for the what_arg parameters.
1298 (filesystem_error::filesystem_error): Pass system_error::what() to
1299 the _Impl constructor.
1300 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
1301 filesystem_error::what() contains system_error::what().
1303 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
1305 * include/std/charconv (chars_format): Define bitmask type.
1306 * testsuite/20_util/to_chars/chars_format.cc: New test.
1308 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
1309 * include/std/bit (_If_is_unsigned_integer_type): Remove.
1310 (_If_is_unsigned_integer): Use __is_unsigned_integer.
1311 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
1312 (countl_one(byte), countr_zero(byte), countr_one(byte))
1313 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
1314 (log2p1(byte)): Remove.
1315 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
1316 (__detail::__is_int_to_chars_type): Remove.
1317 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
1318 and __is_unsigned_integer.
1319 * include/std/type_traits (__is_one_of): Move here from <charconv>.
1320 (__is_signed_integer, __is_unsigned_integer): New helpers.
1321 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
1323 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
1324 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
1325 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
1326 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
1327 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1328 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1329 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1330 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1331 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
1332 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
1334 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
1336 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
1339 2019-06-25 Jakub Jelinek <jakub@redhat.com>
1341 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1342 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1343 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1344 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1346 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
1348 * include/std/numeric (midpoint(T, T)): Change implementation for
1349 floating-point types to avoid incorrect rounding of denormals.
1350 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
1351 rounding with denormals.
1352 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
1353 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1355 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
1357 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
1359 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
1361 * configure: Regenerate.
1363 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
1364 Qualify calls to __never_valueless.
1366 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
1367 C++17 working draft.
1369 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
1370 vector<bool> for test.
1371 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1373 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1375 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
1377 (istream_iterator::_M_read()): Do not check stream state before
1378 attempting extraction. Set stream pointer to null when extraction
1380 (operator==(const istream_iterator&, const istream_iterator&)): Change
1381 to be a hidden friend of istream_iterator.
1382 (operator!=(const istream_iterator&, const istream_iterator&)):
1384 (ostream_iterator::ostream_iterator()): Add default constructor.
1385 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
1387 * testsuite/24_iterators/istream_iterator/1.cc: New test.
1388 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
1389 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
1390 constructor taking a string.
1391 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
1394 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
1395 Jonathan Wakely <jwakely@redhat.com>
1398 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
1399 values of type bool for vector<bool> elements.
1400 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
1401 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1403 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1405 PR libstdc++/90920 partially revert r263433
1406 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
1407 (rotate): Remove checks.
1408 * testsuite/25_algorithms/rotate/90920.cc: New test.
1410 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
1411 category used in invocable check.
1412 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
1413 * testsuite/26_numerics/reduce/2.cc: New test.
1415 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
1417 * include/bits/algorithmfwd.h: Change title of doc group.
1418 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
1420 * include/bits/stl_numeric.h: Define doc group and add algos to it.
1421 * include/std/numeric (__is_random_access_iter): New internal trait.
1422 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
1423 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
1424 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
1425 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
1426 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
1427 * testsuite/26_numerics/reduce/1.cc: New test.
1428 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
1429 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
1430 * testsuite/26_numerics/transform_reduce/1.cc: New test.
1431 * testsuite/util/testsuite_iterators.h (test_container::size()): New
1434 * include/c_global/cstddef (std::byte): Perform arithmetic operations
1435 in unsigned int to avoid promotion (LWG 2950).
1437 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1439 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
1442 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
1444 PR libstdc++/90281 Fix string conversions for filesystem::path
1445 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1446 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
1447 __str_codecvt_in_all to fail for partial conversions and throw on
1449 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
1450 (path::_Cvt<char8_t>): Add explicit specialization.
1451 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
1453 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1454 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
1455 instead of codecvt_utf8. Use __str_codecvt_in_all and
1456 __str_codecvt_out_all.
1457 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1458 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1459 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1460 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1461 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
1462 after converting to UTF-8.
1463 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
1464 __str_codecvt_in_all.
1465 (path::string): Fix initialization of string types with different
1467 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1468 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1469 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
1471 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
1472 return false for partial conversions.
1473 * include/experimental/bits/fs_path.h (u8path):
1474 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
1475 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
1476 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
1477 instead of codecvt_utf8. Use __str_codecvt_in_all and
1478 __str_codecvt_out_all.
1479 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1480 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1481 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1482 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1483 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
1484 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1485 __str_codecvt_in_all.
1486 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1487 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1488 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
1489 __str_codecvt_in_all.
1490 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
1491 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
1492 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
1493 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
1494 strings and with Unicode characters outside the basic multilingual
1496 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
1497 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
1498 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
1499 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
1500 * testsuite/experimental/filesystem/path/native/string.cc: Test with
1501 empty strings and with Unicode characters outside the basic
1504 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
1505 Jonathan Wakely <jwakely@redhat.com>
1507 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
1508 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
1509 deallocate node if insertion fails.
1510 (_Hashtable::_M_insert_multi_node): Likewise.
1511 (_Hashtable::_M_reinsert_node): Pass additional key argument.
1512 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
1513 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
1514 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
1515 (_Hashtable::extract(const _Key&)): Likewise.
1516 (_Hashtable::_M_merge_unique): Pass additional key argument.
1517 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
1519 (_Hashtable::_M_insert): Likewise.
1520 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
1521 (_Hashtable_alloc): Add comments to functions with misleading names.
1523 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1525 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
1527 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
1528 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
1529 header for std::allocator.
1530 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
1531 using-declaration for std::size_t.
1532 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
1534 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
1536 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
1537 * testsuite/experimental/map/erasure.cc: Include <string> for
1539 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
1541 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
1543 * include/experimental/type_traits (experimental::nonesuch): Use
1544 pragma to disable -Wctor-dtor-privacy warnings.
1545 * include/std/type_traits (__is_convertible_helper<From, To, false>)
1546 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
1548 * include/std/version (__cpp_lib_bind_front): Add missing macro.
1550 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
1552 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
1553 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
1554 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
1555 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
1557 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
1558 (variant::emplace): Change static_assert messages from "should be"
1560 (hash<monostate>::operator()): Remove name of unused parameter.
1562 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
1565 * include/Makefile.am: Add new <bits/charconv.h> header.
1566 * include/Makefile.in: Regenerate.
1567 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
1568 (to_string(long), to_string(unsigned long), to_string(long long))
1569 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
1570 * include/bits/charconv.h: New header.
1571 (__detail::__to_chars_len): Move here from <charconv>.
1572 (__detail::__to_chars_10_impl): New function extracted from
1573 __detail::__to_chars_10.
1574 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
1575 (__to_chars_unsigned_type): New class template that reuses
1576 __make_unsigned_selector_base::__select to pick a type.
1577 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
1578 (__detail::__to_chars_len): Move to new header.
1579 (__detail::__to_chars_10): Add inline specifier. Move code doing the
1580 output to __detail::__to_chars_10_impl and call that.
1581 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
1582 * testsuite/21_strings/basic_string/numeric_conversions/char/
1583 to_string.cc: Fix reference in comment. Remove unused variable.
1584 * testsuite/21_strings/basic_string/numeric_conversions/char/
1585 to_string_int.cc: New test.
1587 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1589 Fix ConstexprIterator requirements tests - No constexpr algorithms!
1590 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1591 Replace copy with hand-rolled loop.
1592 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1595 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
1597 Test for C++20 p0858 - ConstexprIterator requirements.
1598 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1600 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1603 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
1605 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
1607 * include/bits/c++config: Rename all macros of the form __PSTL* to
1609 * include/std/algorithm: Likewise.
1610 * include/std/execution: Likewise.
1611 * include/std/numeric: Likewise.
1612 * include/std/memory: Likewise.
1613 * include/pstl/glue_memory_impl.h: Likewise.
1614 * include/pstl/numeric_impl.h: Likewise.
1615 * include/pstl/glue_memory_defs.h: Likewise.
1616 * include/pstl/execution_defs.h: Likewise.
1617 * include/pstl/utils.h: Likewise.
1618 * include/pstl/algorithm_fwd.h: Likewise.
1619 * include/pstl/unseq_backend_simd.h: Likewise.
1620 * include/pstl/glue_execution_defs.h: Likewise.
1621 * include/pstl/algorithm_impl.h: Likewise.
1622 * include/pstl/parallel_impl.h: Likewise.
1623 * include/pstl/memory_impl.h: Likewise.
1624 * include/pstl/glue_numeric_defs.h: Likewise.
1625 * include/pstl/parallel_backend_utils.h: Likewise.
1626 * include/pstl/glue_algorithm_defs.h: Likewise.
1627 * include/pstl/parallel_backend.h: Likewise.
1628 * include/pstl/glue_numeric_impl.h: Likewise.
1629 * include/pstl/parallel_backend_tbb.h: Likewise.
1630 * include/pstl/numeric_fwd.h: Likewise.
1631 * include/pstl/glue_algorithm_impl.h: Likewise.
1632 * include/pstl/execution_impl.h: Likewise.
1633 * include/pstl/pstl_config.h: Likewise.
1634 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1635 * testsuite/util/pstl/test_utils.h: Likewise.
1636 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1638 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1640 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1642 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
1643 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
1644 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
1645 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
1646 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1648 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
1649 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
1650 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
1651 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
1652 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1654 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
1655 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
1656 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
1657 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
1658 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1660 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
1661 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
1662 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1664 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1666 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
1667 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1668 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1670 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1672 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
1674 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
1676 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
1678 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
1680 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
1682 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
1684 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
1686 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
1688 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
1690 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
1692 Rename header guards to be consistent with upstream project's
1694 * include/pstl/glue_memory_impl.h: Rename all macros of the form
1695 _PSTL_(.*)_H to _PSTL_\U\1_H.
1696 * include/pstl/numeric_impl.h: Likewise.
1697 * include/pstl/glue_memory_defs.h: Likewise.
1698 * include/pstl/execution_defs.h: Likewise.
1699 * include/pstl/utils.h: Likewise.
1700 * include/pstl/algorithm_fwd.h: Likewise.
1701 * include/pstl/unseq_backend_simd.h: Likewise.
1702 * include/pstl/glue_execution_defs.h: Likewise.
1703 * include/pstl/algorithm_impl.h: Likewise.
1704 * include/pstl/parallel_impl.h: Likewise.
1705 * include/pstl/memory_impl.h: Likewise.
1706 * include/pstl/glue_numeric_defs.h: Likewise.
1707 * include/pstl/parallel_backend_utils.h: Likewise.
1708 * include/pstl/glue_algorithm_defs.h: Likewise.
1709 * include/pstl/parallel_backend.h: Likewise.
1710 * include/pstl/glue_numeric_impl.h: Likewise.
1711 * include/pstl/parallel_backend_tbb.h: Likewise.
1712 * include/pstl/numeric_fwd.h: Likewise.
1713 * include/pstl/glue_algorithm_impl.h: Likewise.
1714 * include/pstl/execution_impl.h: Likewise.
1715 * include/pstl/pstl_config.h: Likewise.
1716 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1718 Synchronize libstdc++ parallel algorithms with upstream
1720 * include/pstl/algorithm_fwd.h: Synchronize with
1721 upstream PSTL project.
1722 * include/pstl/algorithm_impl.h: Likewise.
1723 * include/pstl/execution_defs.h: Likewise.
1724 * include/pstl/execution_impl.h: Likewise.
1725 * include/pstl/glue_algorithm_impl.h: Likewise.
1726 * include/pstl/glue_execution_defs.h: Likewise.
1727 * include/pstl/numeric_fwd.h: Likewise.
1728 * include/pstl/numeric_impl.h: Likewise.
1729 * include/pstl/parallel_backend.h: Likewise.
1730 * include/pstl/pstl_config.h: Likewise.
1731 * include/pstl/unseq_backend_simd.h: Likewise.
1732 * include/pstl/parallel_backend_serial.h: New file.
1733 * include/Makefile.am (pstl_headers): Add
1734 parallel_backend_serial.h.
1735 * include/Makefile.in: Regenerate.
1737 Clean up non-conforming names
1738 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
1739 Uglfiy copy_range1 and copy_range2
1740 (__pattern_walk2_n): Rename local n to __n
1741 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
1742 Rename parameter _T to _Tp.
1744 Integrate non-TBB serial backend support
1745 * include/bits/c++config: Adjust TBB detection logic to select serial
1746 PSTL backend if no TBB present.
1747 * testsuite/utils/pstl/test_utils.h: Remove check for
1748 _PSTL_USE_PAR_POLICIES
1750 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
1752 * testsuite/24_iterators/container_access.cc: Move dg-options before
1753 dg-do directive so the target check uses the -std option.
1756 * configure: Regenerate.
1757 * src/Makefile.am (stamp-debug): Also test for missing makefile.
1758 * src/Makefile.in: Regenerate.
1760 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
1762 * include/std/array: Do not include <stdexcept>.
1763 * include/std/optional: Include <exception> and
1764 <bits/exception_defines.h> instead of <stdexcept>.
1765 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
1767 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
1769 * testsuite/23_containers/map/erasure.cc: Include <string>.
1770 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
1772 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
1773 dg-prune-output for different C++98 diagnostic.
1774 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
1776 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
1778 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
1780 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
1782 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
1784 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
1786 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
1788 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
1790 * testsuite/23_containers/vector/requirements/dr438/
1791 constructor_1_neg.cc: Likewise.
1792 * testsuite/23_containers/vector/requirements/dr438/
1793 constructor_2_neg.cc: Likewise.
1794 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
1796 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
1798 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
1799 Do not test allocator rebinding extension for C++2a.
1800 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
1801 dg-do directive for C++17 and C++2a.
1803 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1804 1_c++0x.cc: Remove redundant test.
1805 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1806 2.cc: Use target selector instead of preprocessor condition.
1807 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1808 3.cc: Do not run test for C++2a.
1809 * testsuite/23_containers/forward_list/requirements/
1810 explicit_instantiation/3.cc: Likewise.
1811 * testsuite/23_containers/forward_list/requirements/
1812 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1814 * testsuite/23_containers/list/requirements/explicit_instantiation/
1815 1_c++0x.cc: Remove redundant test.
1816 * testsuite/23_containers/list/requirements/explicit_instantiation/
1817 2.cc: Use target selector instead of preprocessor condition.
1818 * testsuite/23_containers/list/requirements/explicit_instantiation/
1819 3.cc: Do not run test for C++2a.
1820 * testsuite/23_containers/list/requirements/explicit_instantiation/
1821 5.cc: Do not test allocator rebinding extension for C++2a.
1822 * testsuite/23_containers/map/requirements/explicit_instantiation/
1823 1_c++0x.cc: Remove redundant test.
1824 * testsuite/23_containers/map/requirements/explicit_instantiation/
1825 2.cc: Adjust comment.
1826 * testsuite/23_containers/map/requirements/explicit_instantiation/
1827 3.cc: Do not run test for C++2a.
1828 * testsuite/23_containers/map/requirements/explicit_instantiation/
1829 5.cc: Do not test allocator rebinding extension for C++2a.
1830 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1831 1_c++0x.cc: Remove redundant test.
1832 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1833 3.cc: Do not run test for C++2a.
1834 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1835 5.cc: Do not test allocator rebinding extension for C++2a.
1836 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1837 3.cc: Do not run test for C++2a.
1838 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1839 5.cc: Do not test allocator rebinding extension for C++2a.
1840 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
1841 Do not run test for C++2a.
1842 * testsuite/23_containers/set/requirements/explicit_instantiation/
1843 1_c++0x.cc: Remove redundant test.
1844 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
1845 Do not test allocator rebinding extension for C++2a.
1846 * testsuite/23_containers/unordered_map/requirements/
1847 explicit_instantiation/3.cc: Likewise.
1848 * testsuite/23_containers/unordered_map/requirements/
1849 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1851 * testsuite/23_containers/unordered_multimap/requirements/
1852 explicit_instantiation/3.cc: Do not run test for C++2a.
1853 * testsuite/23_containers/unordered_multimap/requirements/
1854 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1856 * testsuite/23_containers/unordered_multiset/requirements/
1857 explicit_instantiation/3.cc: Do not run test for C++2a.
1858 * testsuite/23_containers/unordered_multiset/requirements/
1859 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1861 * testsuite/23_containers/unordered_set/requirements/
1862 explicit_instantiation/3.cc: Do not run test for C++2a.
1863 * testsuite/23_containers/unordered_set/requirements/
1864 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1866 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1867 2.cc: Remove redundant test.
1868 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1869 3.cc: Do not run test for C++2a.
1870 * testsuite/23_containers/vector/requirements/explicit_instantiation/
1873 * include/std/type_traits (is_empty, is_polymorphic, is_final)
1874 (is_abstract, is_aggregate): Remove static_assert.
1875 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
1877 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
1878 missing -std=gnu++17 option.
1879 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
1880 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
1881 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
1884 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
1885 * testsuite/18_support/set_unexpected.cc: Likewise.
1886 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
1888 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
1889 function to be valid in C++11.
1890 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
1891 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
1892 include Library Fundamentals or Networking headers in C++11 mode.
1893 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
1895 * include/std/tuple (_TC): Replace with _TupleConstraints.
1896 (_TupleConstraints): New helper for SFINAE constraints, with more
1897 expressive member functions to reduce duplication when used.
1898 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
1899 (tuple::_TCC): Replace dummy type parameter with bool non-type
1900 parameter that can be used to check the pack size.
1901 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
1902 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
1903 checking constraints in constructors.
1904 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
1906 (tuple::tuple): Use new helpers to reduce repitition in constraints.
1907 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
1908 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
1909 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
1910 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
1911 constraints in constructors.
1912 (tuple::__is_alloc_arg()): New SFINAE helpers.
1913 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
1915 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
1916 * testsuite/20_util/tuple/cons/90700.cc: New test.
1917 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
1918 to meet new constraint on allocator-extended default constructor.
1920 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1922 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
1923 * include/bits/stl_multimap.h (multimap): Likewise.
1925 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
1927 Rename variables and cleanup comments.
1928 * include/bits/hashtable_policy.h
1929 * include/bits/hashtable.h
1931 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1933 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
1934 Fix bgcolor for P0340R3.
1935 * doc/html/*: Regenerate.
1938 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
1939 <experimental/memory_resource>.
1940 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
1941 P0339R6, P0340R3, P1164R1 and P1357R1.
1942 * doc/html/*: Regenerate.
1944 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
1945 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
1946 allocator::value_type assertion for C++2a.
1947 * include/bits/hashtable.h: Likewise.
1948 * include/bits/stl_deque.h: Likewise.
1949 * include/bits/stl_list.h: Likewise.
1950 * include/bits/stl_map.h: Likewise.
1951 * include/bits/stl_multimap.h: Likewise.
1952 * include/bits/stl_multiset.h: Likewise.
1953 * include/bits/stl_set.h: Likewise.
1954 * include/bits/stl_vector.h: Likewise.
1955 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
1956 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
1957 * testsuite/23_containers/list/48101-3_neg.cc: New test.
1958 * testsuite/23_containers/map/48101-3_neg.cc: New test.
1959 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
1960 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
1961 * testsuite/23_containers/set/48101-3_neg.cc: New test.
1962 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
1963 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
1964 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
1965 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
1966 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
1968 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
1970 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
1972 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1974 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
1976 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
1978 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
1980 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1982 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
1985 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
1986 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
1987 * libsupc++/eh_term_handler.h: New header defining
1988 _GLIBCXX_DEFAULT_TERM_HANDLER.
1989 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
1990 (set_terminate): Restore default handler when argument is null.
1991 (set_unexpected): Likewise.
1992 * testsuite/18_support/set_terminate.cc: New test.
1993 * testsuite/18_support/set_unexpected.cc: New test.
1995 * include/backward/hashtable.h (size_t, ptrdiff_t)
1996 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
1997 (distance, vector, pair, __iterator_category): Remove
1998 using-declarations that add these names to namespace __gnu_cxx.
1999 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
2000 * include/ext/debug_allocator.h (size_t): Likewise.
2001 * include/ext/functional (size_t, unary_function, binary_function)
2002 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
2004 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
2005 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
2006 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
2007 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
2008 * include/ext/numeric (iota): Fix outdated comment.
2009 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
2010 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
2011 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
2012 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
2013 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
2015 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
2016 (allocator, __true_type, __false_type): Likewise.
2018 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
2021 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
2022 New helpers for checking preconditions in traits.
2023 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
2024 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
2025 (is_destructible, is_nothrow_destructible, is_constructible)
2026 (is_default_constructible, is_copy_constructible)
2027 (is_move_constructible, is_nothrow_default_constructible)
2028 (is_nothrow_constructible, is_nothrow_copy_constructible)
2029 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
2030 (is_nothrow_assignable, is_nothrow_copy_assignable)
2031 (is_nothrow_move_assignable, is_trivially_constructible)
2032 (is_trivially_copy_constructible, is_trivially_move_constructible)
2033 is_trivially_assignable, is_trivially_copy_assignable)
2034 (is_trivially_move_assignable, is_trivially_destructible)
2035 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
2036 (is_invocable_r, is_nothrow_invocable)
2037 (has_unique_object_representations, is_aggregate): Add static_asserts
2038 to make sure that type traits are not misused with incomplete types.
2039 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
2040 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
2041 base characteristics without assertions that can be reused in other
2043 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
2044 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
2046 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
2047 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
2048 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
2049 * testsuite/20_util/is_class/value.cc: Check incomplete type.
2050 * testsuite/20_util/is_function/value.cc: Likewise.
2051 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
2052 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
2054 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
2055 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
2056 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2057 * testsuite/20_util/is_union/value.cc: Likewise.
2058 * testsuite/20_util/is_void/value.cc: Likewise.
2059 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
2061 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
2063 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
2064 Add new private member function.
2065 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
2066 (random_device::_M_init_pretr1(const string&)): Call new private
2067 member with string data.
2068 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
2070 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
2071 test using COW strings.
2072 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
2073 a value from the device.
2074 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
2075 Fix typo in token string.
2077 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
2079 LWG2788 basic_string spurious use of a default constructible allocator
2080 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
2081 (basic_string::_M_replace_dispatch): Construct temporary string with
2082 the current allocator.
2083 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
2084 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
2086 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
2088 * doc/xml/manual/diagnostics.xml: Update list of headers that define
2090 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
2091 section about new/delete overloads. Improve section on verbose
2093 * doc/html/*: Regenerate.
2095 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
2096 P0811R3. Change status of P1353R0.
2097 * doc/html/*: Regenerate.
2099 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
2100 documentation of implementation-defined types for [thread.req.native].
2101 * doc/xml/manual/status_cxx2017.xml: Update documentation of
2102 implementation-defined strings for [variant.bad.access]. Fix typo in
2103 documentation of implementation-defined support for [fs.conform.9945].
2104 * doc/html/*: Regenerate.
2106 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
2109 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
2110 that fails on mingw-w64.
2113 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
2114 (status(const path&, error_code&)): Use parent_path() to remove
2116 (symlink_status(const path&, error_code&)): Duplicate workaround for
2117 bug in _wstat for paths with trailing slash.
2118 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
2119 with trailing slash.
2120 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2121 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2123 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
2124 once instead of building it iteratively.
2126 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
2128 PR libstdc++/85494 use rdseed and rand_s in std::random_device
2129 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
2130 the assembler supports rdseed.
2131 * config.h.in: Regenerate.
2132 * configure: Regenerate.
2133 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
2134 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
2135 * doc/html/*: Regenerate.
2136 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
2137 * include/bits/random.h (random_device::random_device()): Always call
2138 _M_init rather than _M_init_pretr1.
2139 (random_device::random_device(const string&)): Likewise.
2140 (random_device::operator()()): Always call _M_getval().
2141 (random_device::_M_file): Replace first member of union with an
2142 anonymous struct, with _M_file as its first member.
2143 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
2144 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
2145 (USE_MT19937): Define if none of the above are defined.
2146 (USE_POSIX_FILE_IO): Define.
2147 (_M_strtoul): Remove.
2148 [USE_RDSEED] (__x86_rdseed): Define new function.
2149 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
2150 (random_device::_M_init(const string&)): Initialize new union members.
2151 Add support for "rdseed" and "rand_s" tokens. Decide what the
2152 "default" token does according to which USE_* macros are defined.
2153 [USE_POSIX_FILE_IO]: Store a file descriptor.
2154 [USE_MT19937]: Forward to _M_init_pretr1 instead.
2155 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
2156 code from _M_strtoul.
2157 [!USE_MT19937]: Call _M_init, transforming the old default token or
2158 numeric tokens to "default".
2159 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
2160 (random_device::_M_getval()): Use new union members to obtain a
2161 random number from the stored function pointer or file descriptor.
2162 [USE_MT19937]: Obtain a value from the mt19937 engine.
2163 (random_device::_M_getval_pretr1()): Call _M_getval().
2164 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
2166 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
2167 * testsuite/26_numerics/random/random_device/85494.cc: New test.
2169 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
2172 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
2173 _M_split_cmpts() for a path with multiple components.
2174 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
2175 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
2176 components and reserve space in vector. Return early when there is
2178 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
2179 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
2181 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
2182 form of std::equals for C++11 compatibility.
2184 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
2186 * doc/xml/manual/appendix_contributing.xml: Update pointer to
2187 C++ standard at ansi.org.
2189 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
2191 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
2192 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
2195 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
2196 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
2198 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2200 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
2202 * testsuite/20_util/function_objects/invoke/3.cc: New test.
2203 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2204 "compile" test to "run".
2206 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
2207 * doc/html/*: Regenerate.
2208 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
2209 rvalue aliasing constructor.
2210 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
2211 (reinterpret_pointer_cast): Add overloads taking rvalues.
2212 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
2213 Add rvalue aliasing constructor.
2214 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
2215 "run" and check return values as well as types.
2216 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
2217 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
2218 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
2219 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
2222 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
2223 * doc/xml/manual/intro.xml: Likewise.
2224 * include/std/future (__create_task_state): Add default arguments
2225 to make providing an allocator optional.
2226 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
2227 instead of delegating to another constructor.
2228 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
2229 define allocator-extended constructors for C++17 and later.
2230 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
2232 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2233 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2234 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2236 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
2238 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
2239 Don't run the libstdc++/83237 part on simulator targets.
2241 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2243 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
2245 * doc/html/*: Regenerate.
2247 * include/experimental/any (__any_caster): Use RTTI if comparing
2248 addresses fails, to support non-unique addresses in shared libraries.
2249 * include/std/any (__any_caster): Likewise.
2252 * include/experimental/any (__any_caster): Constrain to only be
2253 callable for object types. Use remove_cv_t instead of decay_t.
2254 If the type decays or isn't copy constructible, compare the manager
2255 function to a dummy specialization.
2256 (__any_caster): Add overload constrained for non-object types.
2257 (any::_Manager_internal<_Op>): Add dummy specialization.
2258 * testsuite/experimental/any/misc/any_cast.cc: Test function types
2261 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
2264 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
2265 reversed arguments to uninitialized_copy_n.
2266 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
2267 is unchanged by copy assignment.
2268 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
2269 compare path components.
2272 * include/experimental/memory_resource: Add system header pragma and
2273 do not define anything unless compiled as C++14 or later.
2274 (__resource_adaptor_common::__guaranteed_alignment): Remove.
2275 (__resource_adaptor_imp::do_allocate): If the requested alignment
2276 is a fundamental alignment then either allocate directly from _M_alloc
2277 or call the new _M_allocate function.
2278 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
2279 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
2280 of the allocator rebound to a POD type with the specified alignment.
2281 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
2282 * testsuite/experimental/memory_resource/new_delete_resource.cc:
2283 Adjust expected allocation sizes.
2284 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
2285 xfail for Solaris x86.
2287 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
2289 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
2290 * include/pstl/execution_defs.h (__enable_if_execution_policy):
2291 Use std::__remove_cvref_t when building with GCC.
2293 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
2296 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2297 Use "additional_flags" to pass -ltbb to v3_target_compile command.
2298 Use check_v3_target_prop_cached to cache the result of the test.
2300 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
2302 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2305 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2306 Changed v3_target_compile check from preprocess to executable.
2307 Added "-ltbb" to v3_target_compile flags.
2309 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2311 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2312 Add check for Thread Building Blocks 2018 or later.
2314 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2316 * testsuite/experimental/names.cc: Only include Networking TS headers
2317 on targets with the necessary Gthreads support.
2319 2019-05-20 Marek Polacek <polacek@redhat.com>
2321 CWG 2094 - volatile scalars are trivially copyable.
2323 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
2324 result for volatile int.
2326 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2328 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
2329 * testsuite/experimental/names.cc: Include <experimental/filesystem>
2332 PR c++/90532 Ensure __is_constructible(T[]) is false
2333 * include/std/type_traits (__do_is_default_constructible_impl)
2334 (__is_default_constructible_atom, __is_default_constructible_safe):
2336 (is_default_constructible): Use is_constructible.
2337 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
2338 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
2339 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
2340 * testsuite/20_util/is_trivially_default_constructible/value.cc:
2343 2019-05-20 Pádraig Brady <pbrady@fb.com>
2345 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
2346 to the deallocator with -fsized-deallocation.
2348 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2350 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
2351 test by passing correct alignment to deallocate function.
2353 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
2356 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2357 Raise exception if unique_ptr tuple member has unknown structure.
2358 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
2359 Adjust worker to support new __uniq_ptr_data base class. Do not
2360 assume field called _M_head_impl is the first tuple element.
2362 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2364 * include/bits/stl_deque.h
2365 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
2366 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
2367 (_Deque_base::_Deque_impl_data): New.
2368 (_Deque_base::_Deque_impl): Inherit latter.
2369 (_Deque_base::_Deque_impl::_M_swap_data): Move...
2370 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
2371 (_Deque_base::_Deque_impl()): Add noexcept qualification.
2372 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
2373 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
2374 (deque<>::deque()): Default.
2375 (deque<>::deque(deque&&)): Default.
2376 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
2377 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
2378 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
2379 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
2380 _M_range_initialize.
2381 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
2382 (deque<>::resize(size_type, const value_type&)): Share a single
2384 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
2385 _M_range_insert_aux.
2386 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
2387 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
2388 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
2389 * testsuite/23_containers/deque/allocator/default_init.cc: New.
2391 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
2394 * include/std/variant (holds_alternative, get, get_if): Improve
2395 static assertion messages.
2396 (bad_variant_access::bad_variant_access()): Change default message.
2397 (__throw_bad_variant_access(bool)): New overload.
2398 (get): Use new overload.
2399 (visit, visit<R>): Improve exception message.
2401 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
2402 targets. Add more cases from P0608R3.
2403 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
2405 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
2406 * include/experimental/type_traits (is_detected_exact)
2407 (is_detected_exact_v): Likewise.
2408 * include/pstl/execution_defs.h (is_execution_policy)
2409 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
2410 * include/pstl/execution_impl.h (__policy_traits): Likewise.
2411 * testsuite/17_intro/names.cc: Check for more non-reserved names.
2412 * testsuite/experimental/names.cc: New test.
2415 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
2416 assertions from the destructor.
2417 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
2418 Move static_assert for hash function to here.
2419 (_Hash_table_base::_M_equals): Move static_assert for equality
2421 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
2423 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
2424 the value directly instead of calling _S_value.
2425 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
2426 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
2427 _S_key(_Const_Link_type).
2428 * testsuite/23_containers/set/85965.cc: Check construction,
2429 destruction, assignment and size() do not trigger the assertions.
2430 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
2431 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
2433 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2434 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
2435 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2436 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2437 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2438 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2439 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2441 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
2442 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
2445 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
2447 * doc/html/*: Regenerate.
2448 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
2449 of decay_t (P0777R1).
2451 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2453 Move from state of allocators (LWG2593)
2454 * include/bits/stl_deque.h
2455 (_Deque_base(_Deque_base&&, false_type)): Remove.
2456 (_Deque_base(_Deque_base&&, true_type)): Remove.
2457 (_Deque_base(_Deque_base&&)): Adapt.
2458 (_Deque_base::_M_move_impl()): Remove.
2459 * testsuite/util/testsuite_allocator.h
2460 (propagating_allocator(propagating_allocator&&)): Preserve move from
2462 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
2464 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
2466 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
2467 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
2468 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
2470 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
2472 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
2473 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
2475 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
2477 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
2479 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
2481 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
2483 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
2485 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
2487 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
2490 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
2492 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
2493 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
2495 * include/std/variant (__overload_set): Remove.
2497 (_Build_FUN): New class template to define a single FUN overload,
2498 with specializations to prevent unwanted conversions, as per P0608R3.
2499 (_Build_FUNs): New class template to build an overload set of FUN.
2500 (_FUN_type): New alias template to perform overload resolution.
2501 (__accepted_type): Use integer_constant base for failure case. Use
2502 _FUN_type for successful case.
2503 (variant::__accepted_index): Use _Tp instead of _Tp&&.
2504 (variant::variant(_Tp&&)): Likewise.
2505 (variant::operator=(_Tp&&)): Likewise.
2507 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
2508 Replace raw visitation with a runtime check for the valueless state
2509 and a non-raw visitor.
2510 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
2511 (variant::index()): Remove branch.
2512 (variant::swap(variant&)): Use valueless_by_exception() instead of
2513 comparing the index to variant_npos, and add likelihood attribute.
2515 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
2516 (_Hashtable_base::_Equal_hash_code): Define new class template.
2517 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
2520 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
2521 Replace with _M_get non-static member function.
2522 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
2524 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
2525 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
2527 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
2528 _S_get accessors for members in EBO helpers.
2529 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
2530 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
2532 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
2534 (_Hashtable_base::_M_eq()): Remove non-const overload.
2536 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
2538 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
2540 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2542 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
2545 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2547 * config/os/solaris/solaris2.10: Move to ...
2548 * config/os/solaris: ... this.
2549 * configure.host (os_include_dir): Adapt.
2550 (abi_baseline_pair): Remove Solaris 10 handling.
2551 * config/abi/post/i386-solaris2.10: Remove.
2552 * config/abi/post/sparc-solaris2.10: Remove.
2553 * config/abi/post/i386-solaris2.11: Rename to ...
2554 * config/abi/post/i386-solaris: ... this.
2555 * config/abi/post/sparc-solaris2.11: Rename to ...
2556 * config/abi/post/sparc-solaris: ... this.
2558 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
2561 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
2564 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2566 * include/std/variant (__visit_with_index): Remove typedef.
2567 (__deduce_visit_result): New tag type.
2568 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
2569 visitation of possibly-valueless variants, forwarding to __do_visit
2570 with the relevant tag type.
2571 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
2572 and make lambda return void.
2573 (__variant_construct): Likewise.
2574 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
2575 __raw_idx_visit and make lambda return void.
2576 (_Multi_array::__untag_result): Add metafunction to check the function
2577 pointer type for a tag type that dictates the kind of visitation.
2578 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
2579 Use decltype(auto) instead of tagged function pointer type.
2580 (__gen_vtable_impl): Remove bool non-type parameter and unused
2581 _Variant_tuple parameter.
2582 (__gen_vtable_impl::__visit_invoke_impl): Remove.
2583 (__gen_vtable_impl::__do_visit_invoke): Remove.
2584 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
2585 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
2586 for the visit<R> case, rather than dispatching to separate functions.
2587 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
2589 (variant::swap): Likewise.
2590 (__do_visit): Replace two non-type template parameters with a single
2591 type parameter, so that the caller must specify the visitor's return
2592 type (or one of the tag types).
2593 (visit): Deduce a return type from the visitor and use the
2594 __deduce_visit_result tag to enforce that all overloads return the
2596 (visit<R>): Call __do_visit<R> with explicit result type.
2597 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
2600 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2602 nonesuch is insufficiently useless (lwg2996)
2603 * include/std/type_traits (struct __nonesuch): Added private base
2604 class to make __nonesuch not an aggregate and removed deleted default
2606 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
2607 (operator=(const pair&)): Use __nonesuch instead of
2608 __nonesuch_no_braces.
2609 (operator=(pair&&)): Likewise
2610 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
2611 of __nonesuch_no_braces.
2612 (operator=(tuple&&)): Likewise
2613 * include/experimental/type_traits (struct nonesuch): Added private
2614 base class to make nonesuch not an aggregate and removed deleted
2615 default constructor.
2616 * testsuite/20_util/nonesuch/nonesuch.cc: New.
2617 * testsuite/experimental/type_traits/nonesuch.cc: New.
2619 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2621 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
2622 (_Function_handler): Remove partial specializations for void return
2623 types and pointers to member.
2624 (_Function_handler::_M_manager): Adapt to removal of
2625 _Simple_type_wrapper.
2626 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
2627 * include/std/functional (_Bind_result::__enable_if_void)
2628 (_Bind_result::__disable_if_void): Remove sfinae helpers.
2629 (_Bind_result::__call): Use __invoke_r and remove overloads for void
2631 * include/std/future (__future_base::_Task_state::_M_run)
2632 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
2633 change return type of lambda expressions.
2635 * include/bits/invoke.h (__invoke_r): Define new function implementing
2636 the INVOKE<R> pseudo-function.
2637 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
2638 * testsuite/20_util/function_objects/invoke/2.cc: New test.
2640 * include/std/type_traits (__is_nt_convertible_helper): Define it
2641 unconditionally, not only for C++20.
2642 (__is_nothrow_convertible): Define internal trait for use in C++11.
2643 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
2644 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
2645 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
2646 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
2647 that has nothrow explicit conversion but potentially-throwing implicit
2649 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
2650 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
2651 function to only consider implicit conversions.
2652 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
2654 * include/std/iterator: Include <iosfwd> instead of <istream> and
2657 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
2658 Remove unused, non-standard function.
2660 * include/bits/regex.h (match_results::max_size()): Adjust return
2661 value to account for prefix/suffix/unmatched subs.
2662 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
2663 reset the contained sub matches.
2664 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
2665 function to set result state following a failed match.
2666 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
2667 sub_match states after _M_resize. Use _M_establish_failed_match.
2670 * include/std/thread (thread::_State_impl, thread::_S_make_state):
2671 Replace single _Callable parameter with variadic _Args pack, to
2672 forward them directly to the tuple of decayed copies.
2673 * testsuite/30_threads/thread/cons/69724.cc: New test.
2675 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2677 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
2678 * include/bits/basic_string.h: (operator=(const basic_string&):
2679 Move allocator decision to assign.
2680 (assign(const basic_string&)): Move allocator decision here.
2681 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
2683 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
2686 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2688 * testsuite/util/testsuite_allocator.h (memory_resource)
2689 (default_resource_mgr): Fix indentation.
2691 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
2692 Use operator-> to access raw pointer member.
2693 * testsuite/23_containers/vector/59829.cc: Likewise.
2694 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
2695 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
2696 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
2698 (PointerBase, PointerBase_void): Derive from NullablePointer and use
2699 its constructors and equality operators. Change converting
2700 constructors to use operator-> to access private member of the other
2702 (PointerBase_void::operator->()): Add, for access to private member.
2703 (operator-(PointerBase, PointerBase)): Change to hidden friend.
2704 (operator==(PointerBase, PointerBase)): Remove.
2705 (operator!=(PointerBase, PointerBase)): Remove.
2707 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
2708 not assume field called _M_head_impl is the first tuple element.
2709 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
2710 implementation more accurate.
2711 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
2712 empty pointer type and non-empty deleter.
2714 LWG 2899 - Make is_move_constructible correct for unique_ptr
2715 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
2716 move assignment operator.
2717 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
2718 (__uniq_ptr_data): New class template with conditionally deleted
2720 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
2721 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
2722 constructor and move assignment operator as defaulted.
2723 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
2724 __uniq_ptr_impl::release().
2725 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
2726 to __uniq_ptr_impl::reset(pointer).
2727 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2728 Check for new __uniq_ptr_data type.
2729 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
2731 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2733 PR libstdc++/90454.cc path construction from void*
2734 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
2735 pointers to void are rejected as well as void.
2736 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
2737 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
2739 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
2741 * doc/xml/manual/policy_data_structures.xml: Comment out stray
2742 <remark> elements. Fix formatting of bibliography references.
2744 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
2746 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
2748 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2750 Remove Profile Mode, deprecated since 7.1.0
2751 * doc/Makefile.am: Remove XML file for profile mode docs.
2752 * doc/Makefile.in: Regenerate.
2753 * doc/xml/authors.xml: Remove authors of profile mode docs.
2754 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
2756 * doc/xml/manual/debug.xml: Likewise.
2757 * doc/xml/manual/evolution.xml: Document removal of profile mode.
2758 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
2759 * doc/xml/manual/spine.xml: Remove profile mode author credit.
2760 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
2762 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
2764 * doc/html/*: Regenerate.
2765 * include/Makefile.am: Remove profile mode headers.
2766 * include/Makefile.in: Regenerate.
2767 * include/bits/c++config (std::__profile): Remove namespace.
2768 [_GLIBCXX_PROFILE]: Remove checks for macro.
2769 * include/profile/array: Remove.
2770 * include/profile/base.h: Remove.
2771 * include/profile/bitset: Remove.
2772 * include/profile/deque: Remove.
2773 * include/profile/forward_list: Remove.
2774 * include/profile/impl/profiler.h: Remove.
2775 * include/profile/impl/profiler_algos.h: Remove.
2776 * include/profile/impl/profiler_container_size.h: Remove.
2777 * include/profile/impl/profiler_hash_func.h: Remove.
2778 * include/profile/impl/profiler_hashtable_size.h: Remove.
2779 * include/profile/impl/profiler_list_to_slist.h: Remove.
2780 * include/profile/impl/profiler_list_to_vector.h: Remove.
2781 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
2782 * include/profile/impl/profiler_node.h: Remove.
2783 * include/profile/impl/profiler_state.h: Remove.
2784 * include/profile/impl/profiler_trace.h: Remove.
2785 * include/profile/impl/profiler_vector_size.h: Remove.
2786 * include/profile/impl/profiler_vector_to_list.h: Remove.
2787 * include/profile/iterator_tracker.h: Remove.
2788 * include/profile/list: Remove.
2789 * include/profile/map: Remove.
2790 * include/profile/map.h: Remove.
2791 * include/profile/multimap.h: Remove.
2792 * include/profile/multiset.h: Remove.
2793 * include/profile/ordered_base.h: Remove.
2794 * include/profile/set: Remove.
2795 * include/profile/set.h: Remove.
2796 * include/profile/unordered_base.h: Remove.
2797 * include/profile/unordered_map: Remove.
2798 * include/profile/unordered_set: Remove.
2799 * include/profile/vector: Remove.
2800 * scripts/run_doxygen: Do not process profile mode headers.
2801 * testsuite/23_containers/array/element_access/60497.cc: Don't use
2803 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
2804 Remove dg-skip-if for profile mode.
2805 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
2806 preprocessor check for profile mode.
2807 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
2808 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
2810 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
2812 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
2813 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
2814 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
2815 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
2816 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
2818 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
2820 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
2822 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
2824 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
2825 preprocessor check for profile mode.
2826 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
2828 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
2829 Remove dg-skip-if for profile mode.
2830 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
2831 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
2832 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
2833 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
2834 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
2835 * testsuite/Makefile.am: Remove profile_flags variable and
2836 * testsuite/Makefile.am: Remove profile_flags variable and
2837 check-profile target.
2838 * testsuite/Makefile.in: Regenerate.
2839 * testsuite/ext/profile/all.cc: Remove.
2840 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
2841 * testsuite/ext/profile/profiler_algos.cc: Remove.
2842 * testsuite/ext/profile/replace_new.cc: Remove.
2843 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
2844 preprocessor check for profile mode.
2845 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2846 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
2847 (check_v3_target_normal_mode): Do not check for profile mode macro.
2848 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
2850 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
2851 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
2852 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2853 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
2854 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
2855 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2856 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
2857 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2858 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2859 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
2861 Remove array_allocator extension, deprecated since 4.9.0
2862 * doc/xml/manual/allocator.xml: Remove documentation for
2864 * doc/xml/manual/evolution.xml: Document array_allocator removal.
2865 * doc/xml/manual/using.xml: Remove header from documentation.
2866 * include/Makefile.am: Remove <ext/array_allocator.h> header.
2867 * include/Makefile.in: Regenerate.
2868 * include/ext/array_allocator.h: Remove.
2869 * include/precompiled/extc++.h: Do not include removed header.
2870 * testsuite/ext/array_allocator/1.cc: Remove.
2871 * testsuite/ext/array_allocator/2.cc: Remove.
2872 * testsuite/ext/array_allocator/26875.cc: Remove.
2873 * testsuite/ext/array_allocator/3.cc: Remove.
2874 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
2875 * testsuite/ext/array_allocator/check_delete.cc: Remove.
2876 * testsuite/ext/array_allocator/check_new.cc: Remove.
2877 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
2878 * testsuite/ext/headers.cc: Do not include removed header.
2880 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
2882 * include/bits/stl_bvector.h
2883 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2885 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2887 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2889 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2891 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2893 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2895 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2897 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
2899 (_Bit_iterator::operator-(difference_type)): Likewise.
2900 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
2901 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
2903 (_Bit_const_iterator::operator-(difference_type)): Likewise.
2904 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
2906 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
2909 * testsuite/util/thread/all.h: Do not use remove_pointer for
2910 std::thread::native_handle_type.
2913 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
2914 (_Variant_storage<true, Types...>::_M_reset()))
2915 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
2916 (__get_storage): Likewise.
2917 (variant): Add noexcept to friend declarations for __get and
2921 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
2922 Use _Require for constraints.
2923 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
2925 (__uniq_ptr_hash): New base class with conditionally-disabled call
2927 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
2928 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
2929 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
2931 * include/bits/shared_ptr.h: Improve docs.
2932 * include/bits/shared_ptr_base.h: Likewise.
2933 * include/bits/stl_uninitialized.h: Likewise.
2934 * include/bits/unique_ptr.h: Likewise.
2935 * libsupc++/new: Likewise.
2937 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
2939 * include/bits/stl_deque.h
2940 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2942 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2944 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2946 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2948 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2950 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2952 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
2954 (_Deque_iterator<>::operator-(difference_type)): Likewise.
2956 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
2959 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
2960 (test01): Reserve for number of insertions to avoid rehash during test.
2961 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
2963 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
2968 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
2970 * include/experimental/bits/fs_path.h: Improve docs.
2971 * include/experimental/bits/net.h: Fix wrong header name in comment.
2972 Do not document implementation details.
2973 * include/experimental/netfwd: Fix doxygen grouping.
2975 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
2977 * include/bits/stl_pair.h: Improve docs.
2978 * include/std/tuple: Likewise.
2980 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
2982 * include/std/chrono: Improve docs.
2983 * include/std/ratio: Do not document implementation details.
2984 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
2986 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
2989 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
2990 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
2991 (__duration_common_type): New helper.
2992 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
2993 __duration_common_type.
2994 (__timepoint_common_type_wrapper): Replace with ...
2995 (__timepoint_common_type): New helper.
2996 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
2997 Use __time_point_common_type.
2998 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
2999 (__common_type_impl): If either argument is transformed by decay,
3000 use the common_type of the decayed types.
3001 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
3002 decayed, use __do_common_type_impl to get the common_type.
3003 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
3004 (__do_member_type_wrapper, __member_type_wrapper)
3005 (__expanded_common_type_wrapper): Remove.
3006 (__common_type_pack, __common_type_fold): New helpers.
3007 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
3008 __member_type_wrapper and __expanded_common_type_wrapper.
3009 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3010 Test zero-length template argument list.
3011 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3012 Test single argument cases and argument types that should decay.
3013 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3014 Adjust expected error.
3015 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
3017 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3018 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3019 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3021 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
3023 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
3025 Make allocator propagation more consistent for
3026 operator+(basic_string) (P1165R1)
3027 * include/bits/basic_string.h
3028 (operator+(basic_string&&, basic_string&&): Changed resulting
3029 allocator to always be the one from the first parameter.
3030 * include/bits/basic_string.tcc
3031 (operator+(const _CharT*, const basic_string&)): Changed
3032 resulting allocator to be SOCCC on the second parameter's allocator.
3033 (operator+(_CharT, const basic_string&)): Likewise.
3034 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
3036 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
3039 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
3041 * include/bits/regex.h: Improve docs.
3042 * include/bits/regex.tcc: Do not document implementation details.
3044 * testsuite/19_diagnostics/error_code/hash.cc: New test.
3046 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
3048 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3049 Add type printer for container types in std::__debug namespace.
3050 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
3051 (gdb-tests): Use distinct parameters for the type of test and use of
3053 (gdb-test): Check for regex test even if 'whatis' test.
3054 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
3056 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3057 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3058 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3059 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3060 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3061 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3062 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
3064 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
3066 * include/std/system_error (error_category): Fix comment.
3069 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
3070 argument is an empty path.
3071 (absolute(const path&, error_code&)): Use invalid_argument as error
3072 code instead of no_such_file_or_directory.
3073 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
3074 of non-existent paths and empty paths with both overloads of absolute.
3076 * include/std/system_error (error_category, error_code)
3077 (error_condition): Improve docs.
3078 * libsupc++/exception: Add missing @addtogroup Doxygen command.
3079 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
3080 to class documentation. Suppress documentation for implementation
3082 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
3083 Suppress documentation for implementation details.
3085 * include/std/system_error (error_code): Remove friend declaration
3086 for hash<error_code>.
3087 (hash<error_code>::operator()): Use public member functions to access
3089 (hash<error_condition>::operator()): Use address of category, not
3090 its object representation.
3091 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
3092 Use public member functions to access value and category.
3093 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
3095 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
3097 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
3098 * include/bits/hashtable_policy.h
3099 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
3100 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
3101 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
3102 smaller than input value rather than always greater. Preserve
3103 _M_next_resize if called with 0 input. Use __builtin_floorl.
3104 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
3105 elements + number of insertions is greater than _M_next_resize. Start
3106 with 11 buckets if not told otherwise. Use __builtin_floorl.
3107 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
3108 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
3109 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
3110 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
3111 told otherwise. Use __builtin_floorl.
3112 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
3113 to also validate _Power2_rehash_policy.
3114 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
3117 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
3120 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
3124 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
3125 overflow warning with -Wpedantic -Wsystem-headers.
3127 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
3130 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
3131 * include/bits/move.h (swap): Remove extra parentheses.
3133 * include/experimental/bits/lfts_config.h: Improve doc markup.
3134 * include/experimental/optional: Improve docs.
3135 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
3136 (__constexpr_addressof): Remove.
3137 (optional::operator->()): Use std::__addressof().
3138 * include/std/optional (optional::operator->()): Adjust whitespace.
3139 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
3140 that operator-> is still constexpr with overloaded operator&. Change
3141 to compile-only test.
3142 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
3145 * include/bits/shared_ptr.h: Improve docs.
3146 * include/bits/shared_ptr_atomic.h: Likewise.
3147 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
3149 * include/bits/basic_string.h: Fix iterator/index confusion in
3151 * include/bits/range_access.h: Fix Doxygen warnings.
3152 * include/bits/refwrap.h: Do not document implementation details.
3153 (ref, cref): Group docs with reference_wrapper.
3154 * include/std/fstream: Fix Doxygen markup.
3155 * libsupc++/initializer_list (begin, end): Group docs with
3158 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
3160 * include/bits/unique_lock.h: Fix/improve doxygen markup.
3161 * include/std/mutex: Likewise.
3162 * include/std/shared_mutex: Likewise.
3164 * include/bits/fs_dir.h: Fix/improve doxygen markup.
3165 * include/bits/fs_fwd.h: Likewise.
3166 * include/bits/fs_ops.h: Likewise.
3167 * include/bits/fs_path.h: Likewise.
3168 * include/std/filesystem: Likewise.
3170 * include/experimental/bits/net.h: Fix/improve doxygen markup.
3171 * include/experimental/buffer: Likewise.
3172 * include/experimental/executor: Likewise.
3173 * include/experimental/internet: Likewise.
3174 * include/experimental/io_context: Likewise.
3175 * include/experimental/net: Likewise.
3176 * include/experimental/netfwd: Likewise.
3177 * include/experimental/socket: Likewise.
3178 * include/experimental/timer: Likewise.
3180 * doc/doxygen/doxygroups.cc: Move description of experimental group
3182 * include/experimental/algorithm: Add to libfund-ts doc group.
3183 * include/experimental/any: Likewise. Do not document implementation
3185 * include/experimental/array: Add to libfund-ts doc group.
3186 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
3187 for Library Fundamentals.
3188 * include/experimental/chrono: Add to libfund-ts doc group.
3189 * include/experimental/deque: Likewise.
3190 * include/experimental/forward_list: Likewise.
3191 * include/experimental/functional: Likewise.
3192 * include/experimental/iterator: Likewise.
3193 * include/experimental/list: Likewise.
3194 * include/experimental/map: Likewise.
3195 * include/experimental/memory: Likewise.
3196 * include/experimental/memory_resource: Likewise. Improve docs.
3198 * include/experimental/numeric: Add to libfund-ts doc group.
3199 * include/experimental/optional: Likewise.
3200 * include/experimental/propagate_const: Likewise.
3201 * include/experimental/random: Likewise.
3202 * include/experimental/ratio: Likewise.
3203 * include/experimental/regex: Likewise.
3204 * include/experimental/set: Likewise.
3205 * include/experimental/source_location: Likewise.
3206 * include/experimental/string: Likewise.
3207 * include/experimental/string_view: Likewise.
3208 * include/experimental/system_error: Likewise.
3209 * include/experimental/tuple: Likewise.
3210 * include/experimental/type_traits: Likewise.
3211 * include/experimental/unordered_map: Likewise.
3212 * include/experimental/unordered_set: Likewise.
3213 * include/experimental/utility: Likewise.
3214 * include/experimental/vector: Likewise.
3215 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
3216 * testsuite/experimental/array/neg.cc: Adjust dg-error.
3217 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
3219 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
3220 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
3221 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
3222 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
3223 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
3225 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
3226 * include/experimental/bits/fs_fwd.h: Improve docs.
3227 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
3228 * include/experimental/bits/fs_path.h: Likewise.
3229 (path, filesystem_error, u8path): Improve docs.
3230 * include/experimental/filesystem: Link to docs for TS.
3232 * config/allocator/new_allocator_base.h (__allocator_base): Add
3233 workaround for Doxygen bug #6945.
3234 * include/std/memory: Improve docs. Define group for pointer safety.
3235 * include/std/scoped_allocator: Improve docs. Use "undocumented"
3236 conditional to suppress documentation for implementation details.
3238 * include/bits/specfun.h: Improve docs.
3239 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
3242 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
3243 (std::experimental): Add docs.
3244 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
3245 namespace to nothing when generating docs.
3246 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
3247 * include/std/chrono (std::chrono): Likewise.
3248 * include/std/functional (std::placeholders): Likewise.
3249 * include/std/thread (std::this_thread): Likewise.
3251 * include/parallel/settings.h: Fix Doxygen markup.
3253 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
3254 anything unless PB_DS_CLASS_C_DEC is defined.
3255 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
3256 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
3257 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
3258 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
3259 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
3260 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
3261 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
3263 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
3264 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
3265 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
3266 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
3267 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
3268 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
3269 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
3270 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
3271 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
3272 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
3273 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
3275 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
3276 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
3278 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
3281 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
3282 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
3283 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
3286 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3288 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
3289 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
3290 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
3291 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
3292 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
3293 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3295 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
3296 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3299 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
3302 * include/std/complex (__complex_proj): Return parameter unchanged.
3303 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
3304 floating-point types to take std::complex arguments.
3305 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
3306 floating-point types.
3307 * testsuite/26_numerics/complex/proj.cc: New test.
3309 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3311 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
3312 to _Lock_policyE[012].
3313 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3315 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
3317 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
3318 macros accidentally left in.
3319 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
3320 unnecessary -lstdc++fs option. Fix test for mingw.
3321 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3324 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3326 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3328 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
3330 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
3332 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
3333 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
3336 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
3338 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
3341 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
3342 class template and partial specialization.
3345 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
3347 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
3348 functions to convert a value to an integral type.
3349 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
3350 (fill_n): Convert _Size parameter to an integral type.
3351 * testsuite/25_algorithms/fill_n/87982.cc: New test.
3352 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
3353 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
3354 * testsuite/25_algorithms/generate_n/87982.cc: New test.
3355 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
3356 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
3358 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
3360 Adding noexcept-specification on tuple constructors (LWG 2899)
3361 * libstdc++-v3/include/std/tuple:
3362 (tuple()): Add noexcept-specification.
3363 (tuple(const _Elements&...)): Likewise
3364 (tuple(_UElements&&...)): Likewise
3365 (tuple(const tuple<_UElements...>&)): Likewise
3366 (tuple(tuple<_UElements...>&&)): Likewise
3367 (tuple(const _T1&, const _T2&)): Likewise
3368 (tuple(_U1&&, _U2&&)): Likewise
3369 (tuple(const tuple<_U1, _U2>&): Likewise
3370 (tuple(tuple<_U1, _U2>&&): Likewise
3371 (tuple(const pair<_U1, _U2>&): Likewise
3372 (tuple(pair<_U1, _U2>&&): Likewise
3373 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
3375 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
3378 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
3379 arguments with __restrict.
3381 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
3383 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3385 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
3387 * include/experimental/bits/fs_path.h
3388 (path::_S_convert_loc<_InputIterator>): Create const std::string to
3389 avoid redundant call to _S_convert_loc with non-const pointers.
3391 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
3392 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
3393 * testsuite/21_strings/basic_string/hash/hash.cc
3394 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
3395 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
3396 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
3398 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
3399 wstring::_M_replace_dispatch with more specific patterns.
3400 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
3401 Create const std::string to avoid redundant call to _S_convert_loc
3402 with non-const pointers.
3403 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
3404 avoid unnecessary basic_string::assign instantiations.
3406 * include/std/memory (__uses_alloc_args): Add string-literal to
3407 static_assert, to match the one in __uses_alloc.
3408 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
3409 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
3410 for recursive uses-allocator construction of nested pairs.
3411 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
3414 2019-04-26 Jakub Jelinek <jakub@redhat.com>
3416 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3417 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3418 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
3419 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
3421 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3422 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3423 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
3424 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3425 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3426 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3427 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3429 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
3432 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
3433 * include/std/scoped_allocator [__cplusplus > 201703L]
3434 (scoped_allocator_adaptor::construct): Define in terms of
3435 uses_allocator_construction_args, as per P0591R4.
3436 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
3437 * testsuite/util/testsuite_allocator.h: Remove name of unused
3440 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
3442 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
3443 * doc/html/*: Regenerate.
3445 * include/bits/fs_path.h (operator<, operator<=, operator>)
3446 (operator>=, operator==, operator!=): Make hidden friends, as per
3448 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
3449 string type in test.
3450 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3452 * include/std/any (any::any(ValueType&&)): Use __and_v.
3453 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
3456 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
3458 * include/std/type_traits (__result_of_memfun): Use remove_reference
3459 instead of __remove_cvref_t and remove redundant is_same check.
3460 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
3462 * include/experimental/string_view (basic_string_view::pointer)
3463 (basic_string_view::reference): Fix to refer to non-const value_type.
3464 * include/bits/basic_string.h (basic_string): Use __sv_check and
3465 __sv_limit instead of basic_string_view::_M_check and
3466 basic_string_view::_M_limit.
3467 * include/std/string_view (__sv_check, __sv_limit): New
3468 helper functions to replace basic_string_view::_M_check and
3469 basic_string_view::_M_limit.
3470 (basic_string_view): Add static assertions to enforce ill-formed
3471 requirement for traits_type::char_type from P1148R0, and to enforce
3472 required properties of char-like types.
3473 (basic_string_view::pointer, basic_string_view::reference): Fix to
3474 refer to non-const value_type.
3475 (basic_string_view::operator[], basic_string_view::at)
3476 (basic_string_view::front, basic_string_view::back)
3477 (basic_string_view::data): Use const_reference and const_pointer
3478 typedefs for return types.
3479 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
3480 (hash<wstring_view>): Fix argument_type typedef.
3481 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3482 char/1.cc: Fix expected return type of basic_string_view::data().
3483 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3484 wchar_t/1.cc: Likewise.
3485 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3486 char/1.cc: Likewise.
3487 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3488 wchar_t/1.cc: Likewise.
3489 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
3491 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
3492 Check reference and pointer typedefs.
3493 * testsuite/experimental/string_view/requirements/typedefs.cc:
3495 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
3496 Fix expected return type of basic_string_view::data().
3497 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
3499 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
3501 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
3505 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
3506 Avoid a runtime check for types that can never be stored in std::any.
3507 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3510 PR libstdc++/90220 (partial)
3511 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
3512 not attempt ill-formed static_cast to pointers to non-object types.
3513 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3516 * testsuite/20_util/variant/run.cc: Catch exception by reference to
3517 prevent -Wcatch-value warning.
3519 * include/std/variant (__variant_construct): Use template parameter
3520 type instead of equivalent decltype-specifier.
3521 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
3522 Replace forward with move.
3523 (_Move_ctor_base<false, Types...>::_M_destructive_move)
3524 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
3525 (_Move_ctor_base<true, Types...>::_M_destructive_move)
3526 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
3527 index after construction succeeds.
3528 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
3529 if-constexpr checks that are always true. Use __remove_cvref_t instead
3530 of remove_reference so that is_nothrow_move_constructible check
3531 doesn't use a const rvalue parameter. In the potentially-throwing case
3532 construct a temporary and move assign it, as per LWG 2904.
3533 (_Move_assign_base<false, Types...>::operator=): Remove redundant
3534 if-constexpr checks that are always true. Use emplace as per LWG 2904.
3535 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
3536 construct a temporary and move assign from it, as per LWG 2904.
3537 * testsuite/20_util/variant/exception_safety.cc: Check that
3538 assignment operators have strong exception safety guarantee.
3540 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
3542 Document PSTL linker flags
3544 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
3546 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3548 * include/std/variant (__detail::__variant::_Traits): Make
3549 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
3550 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
3552 (__detail::__variant::_Copy_assign_alias): Only depend on
3553 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
3554 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
3555 move assignment operators.
3558 * include/std/variant (variant::__not_self): New helper for the
3559 is_same_v<remove_cvref_t<T>, variant>==false constraints.
3560 (variant::__to_type_impl): Remove.
3561 (variant::__to_type): Add default argument to check pack size, instead
3562 of using __to_type_impl.
3563 (variant::__accepted_type): Add default argument using __not_self.
3564 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
3565 for variant(T&&) constructor constraint.
3566 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
3567 Extract __accepted_type into a named template parameter for reuse in
3568 other constraints and in the exception specification.
3569 (variant::variant(in_place_type_t<T>, Args&&...))
3570 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
3571 (variant::variant(in_place_index_t<T>, Args&&...))
3572 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
3573 (variant::operator=T&&)): Remove redundant && from trait arguments.
3574 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
3575 isn't used for in_place_type or in_place_index arguments.
3577 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
3578 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
3579 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
3581 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3582 Bernd Edlinger <bernd.edlinger@hotmail.de>
3583 Jakub Jelinek <jakub@redhat.com>
3586 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
3587 general-regs-only target attribute for ARM.
3589 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3592 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
3593 specialization also depend on is_nothrow_move_constructible.
3594 * include/std/variant (__detail::__variant::__never_valueless()):
3595 Only true if the variant would have a move assignment operator.
3596 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
3597 Check __never_valueless<T...>().
3598 (variant::emplace): Only perform non-throwing move assignments
3599 for never-valueless alternatives if the variant has a move assignment
3601 * testsuite/20_util/variant/compile.cc: Check that never-valueless
3602 types can be emplaced into non-assignable variants.
3603 * testsuite/20_util/variant/run.cc: Check that never-valueless types
3604 don't get copied when emplaced into non-assignable variants.
3606 * include/std/variant (__detail::__variant::__ref_cast): Remove
3608 (__detail::__variant::_Uninitialized::_M_get)
3609 (__detail::__variant::__get)
3610 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
3612 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
3614 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
3616 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
3617 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
3618 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
3619 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
3621 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3623 Delegate PSTL configuration to pstl/pstl_config.h
3625 * include/bits/c++config: Remove explicit PSTL configuration
3626 macros and use definitions from <pstl/pstl_config.h>.
3628 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3630 Cleanup algorithm implementations
3631 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
3633 (mismatch): Forward execution policy.
3634 (equal): Qualify call to std::equal().
3635 (partial_sort): Forward execution policy.
3636 (inplace_merge): Forward execution policy.
3638 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
3640 Improve implementation of parallel equal()
3641 * include/pstl/algorithm_impl.h
3642 (__internal::__brick_equal): use "4 iterator" version of
3644 (__internal::__brick_equal): use simd for random access
3645 iterators on unsequenced execution policies.
3646 (__internal::__pattern_equal): add "4 iterator" version
3647 (__internal::__pattern_equal): dispatch to simd __brick_equal
3648 for vector-only execution policies.
3649 (__internal::__pattern_equal): dispatch to __parallel_or for
3650 parallel execution policies.
3651 * include/pstl/glue_algorithm_impl.h
3652 (std::equal): dispatch to "4 iterator" version of
3653 __internal::__pattern_equal().
3655 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
3658 * include/bits/forward_list.h (operator==): Do not use operator!= to
3660 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
3661 earlier in the list, so that sort is stable.
3662 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
3663 * testsuite/23_containers/forward_list/comparable.cc: Test with
3664 types that meet the minimum EqualityComparable and LessThanComparable
3665 requirements. Remove irrelevant comment.
3667 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
3668 Do not depend on whether all alternative types are move constructible.
3669 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
3670 from the operand when deciding whether to perform the assignment.
3671 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
3672 with deleted move constructor and deleted move assignment operator.
3673 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
3674 behaviour of variants with DeletedMoves as an alternative.
3675 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
3676 (move_ctor, move_assign): Check that moving a variant with a
3677 DeletedMoves alternative falls back to copying instead of moving.
3679 * testsuite/20_util/variant/compile.cc: Remove empty string literals
3680 from static_assert declarations.
3682 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
3683 actually match its name.
3684 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
3685 (test_swap()): Fix result for MoveCtorOnly and check
3686 MoveCtorAndSwapOnly.
3688 * include/std/optional (optional::value_or(U&&) &&): Add missing
3689 constexpr specifier.
3690 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
3691 for disengaged optionals and rvalue optionals.
3692 * testsuite/20_util/optional/observers/4.cc: Likewise.
3694 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
3696 * include/pstl/algorithm_impl.h: Uglify identfiers.
3697 * include/pstl/numeric_impl.h: Uglify identfiers.
3698 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
3700 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
3702 * include/bits/c++config:
3703 Add definition for __PSTL_ASSERT.
3704 Add definition for __PSTL_ASSERT_MSG.
3705 * include/pstl/algorithm_impl.h: Replace use of assert().
3706 * include/pstl/numeric_impl.h: Replace use of assert().
3707 * include/pstl/parallel_backend_tbb.h:
3708 Replace use of assert().
3709 Replace use of __TBB_ASSERT().
3710 * include/pstl/parallel_backend_utils.h: Replace use of assert().
3712 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
3715 * src/c++17/memory_resource.cc
3716 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
3717 needed to allow placing a _Chunk at the end of the buffer.
3718 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
3720 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
3722 * doc/xml/faq.xml: Add information about emergency EH pool.
3723 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
3724 Move outdated information on mt_allocator to a separate section.
3725 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
3726 doesn't affect the default allocator.
3728 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
3732 * testsuite/20_util/variant/89851.cc: New test.
3734 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
3736 * include/std/variant: Adjust whitespace. Add comments.
3737 (_Multi_array): Leave primary template undefined.
3738 (_Multi_array<_Tp>): Define partial specialization for base case of
3740 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
3741 which is always a reference.
3742 (__gen_vtable::_S_apply()): Remove function, inline body into
3743 default member initializer.
3744 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
3746 * include/std/variant (__variant_idx_cookie): Add member type.
3747 (__visitor_result_type): Remove.
3748 (__do_visit): Use invoke_result instead of __visitor_result_type.
3749 * testsuite/20_util/variant/visit.cc: New test.
3752 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
3754 * testsuite/20_util/variant/90008.cc: New test.
3756 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
3758 * include/pstl/algorithm_impl.h: Add namespace qualification.
3759 * include/pstl/execution_defs.h: Add namespace qualification.
3760 * include/pstl/execution_impl.h: Add namespace qualification.
3761 * include/pstl/numeric_impl.h: Add namespace qualification.
3762 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
3763 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
3764 * include/pstl/parallel_backend_utils.h: Include <cassert>.
3766 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
3768 Fix visit<R> for variant.
3769 * include/std/variant (__do_visit): Add a template parameter
3770 for enforcing same return types for visit.
3771 (__gen_vtable_impl): Likewise.
3772 (_S_apply_single_alt): Adjust.
3773 (__visit_invoke_impl): New. Handle casting to void.
3774 (__do_visit_invoke): New. Enforces same return types.
3775 (__do_visit_invoke_r): New. Converts return types.
3776 (__visit_invoke): Adjust.
3777 (__gen_vtable): Add a template parameter for enforcing
3778 same return types for visit.
3779 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
3780 different return types.
3781 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
3782 visitors with different return types don't accidentally
3783 compile with regular visitation.
3785 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
3787 * testsuite/27_io/filesystem/iterators/caching.cc: Add
3788 dg-require-filesystem-ts.
3790 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
3792 * doc/xml/manual/status_cxx2020.xml: Update status.
3793 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
3794 * testsuite/20_util/variant/visit_r.cc: New test.
3796 * include/bits/fs_dir.h (directory_iterator::operator*)
3797 (directory_iterator::operator->): Add noexcept.
3798 (operator==, operator!=): Replace namespace-scope equality operators
3799 for directory iterators with hidden friends.
3802 * config/abi/pre/gnu.ver: Add missing exports.
3803 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
3806 * config/abi/pre/gnu.ver: Export new symbols.
3807 * include/bits/fs_dir.h (recursive_directory_iterator::options())
3808 (recursive_directory_iterator::recursion_pending())
3809 (recursive_directory_iterator::disable_recursion_pending()): Remove
3810 inline definitions. Make noexcept.
3811 (recursive_directory_iterator::depth())
3812 (recursive_directory_iterator::operator*())
3813 (recursive_directory_iterator::operator->()): Make noexcept.
3814 (recursive_directory_iterator::_M_options)
3815 (recursive_directory_iterator::_M_pending): Remove data members.
3816 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
3817 (recursive_directory_iterator::recursive_directory_iterator): Remove
3818 ctor-initializer. Use new constructor for _Dir_stack.
3819 (recursive_directory_iterator::options())
3820 (recursive_directory_iterator::recursion_pending())
3821 (recursive_directory_iterator::disable_recursion_pending()): Add
3822 non-inline definitions.
3823 (recursive_directory_iterator::depth()): Make noexcept.
3824 (recursive_directory_iterator::increment(error_code&))
3825 (recursive_directory_iterator::pop(error_code&)): Adjust to new
3826 location of options and recursion_pending members.
3827 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
3828 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
3829 user-declared move constructor and assignment operator, to make the
3832 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
3833 d_type == DT_UNKNOWN immediately.
3834 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
3836 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
3838 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
3840 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
3841 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
3844 PR libstdc++/87431 (again)
3845 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
3846 Define partial specialization for basic_string.
3847 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
3848 shared_ptr and weak_ptr.
3849 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
3851 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
3853 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
3855 * include/debug/vector (_Never_valueless_alt): Likewise for debug
3857 * include/std/any (_Never_valueless_alt): Define explicit
3858 specialization for any.
3859 * include/std/variant (_Never_valueless_alt): Define primary template.
3860 (__never_valueless): Use _Never_valueless_alt instead of
3861 is_trivially_copyable.
3862 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
3863 initializations to avoid try-catch overhead. Add special case for
3864 scalars produced by potentially-throwing conversions. Use
3865 _Never_valueless_alt instead of is_trivially_copyable for the
3866 remaining strong exception-safety cases.
3867 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
3868 * testsuite/20_util/variant/87431.cc: Run both test functions.
3869 * testsuite/20_util/variant/exception_safety.cc: New test.
3870 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
3871 so the variant becomes valueless.
3873 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
3876 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
3878 (variant::emplace<_Tp>): Return result of emplace<N> directly.
3880 * include/std/string (__hash_string_base): New class template defining
3881 operator() for hashing strings.
3882 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
3883 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
3884 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
3885 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
3887 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
3889 Use single-visitation in variant assignment and swap and relops.
3890 Also use indices instead of types when checking whether
3891 variants hold the same thing.
3892 * include/std/variant (__do_visit): Add a template parameter
3893 for index visitation, invoke with indices if index visitation
3895 (__variant_idx_cookie): New.
3896 (__visit_with_index): Likewise.
3897 (_Copy_assign_base::operator=): Do single-visitation with
3899 (_Move_assign_base::operator=): Likewise.
3900 (_Extra_visit_slot_needed): Adjust.
3901 (__visit_invoke): Call with indices if it's an index visitor.
3902 (relops): Do single-visitation with an index visitor.
3904 (__visitor_result_type): New.
3906 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
3908 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
3910 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
3912 Don't revisit a variant we are already visiting.
3913 * include/std/variant (__variant_construct_single): New.
3914 (__variant_construct): Use it.
3915 (_M_destructive_move): Likewise.
3916 (_M_destructive_copy): Likewise.
3917 (_Copy_assign_base::operator=): Adjust.
3918 (_Move_assign_base::operator=): Likewise.
3921 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
3924 * include/bits/hashtable.h (_Hashtable): Move static assertions to
3925 destructor so they are not evaluated until the _Key type is complete.
3926 * include/bits/stl_tree.h (_Rb_tree): Likewise.
3927 * testsuite/23_containers/set/85965.cc: New test.
3928 * testsuite/23_containers/unordered_set/85965.cc: New test.
3929 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
3930 with regexp matching the corresponding _Rb_tree specialization.
3931 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
3932 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
3933 * testsuite/23_containers/set/48101_neg.cc: Likewise.
3934 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
3935 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
3936 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
3937 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
3939 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3942 Fix based on a suggestion by Antony Polukhin.
3943 * include/std/variant (__never_valueless): New.
3945 (_Extra_visit_slot_needed): New.
3946 (_Multi_array): Use it.
3947 (_S_apply_all_alts): Likewise.
3949 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3952 Fix based on a suggestion by Antony Polukhin.
3953 * include/std/variant (__gen_vtable): Don't reserve an
3954 additional table slot, _Multi_array already does that.
3956 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3959 Fix based on a suggestion by Antony Polukhin.
3960 * include/std/variant (__variant_construct): Capture a pointer
3961 to the storage and visit just one variant.
3963 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
3965 * doc/xml/manual/backwards_compatibility.xml: Remove link to
3966 Doxygen-generated pages with unstable URL.
3967 * doc/xml/manual/concurrency_extensions.xml: Likewise.
3968 * doc/xml/manual/extensions.xml: Likewise.
3969 * doc/xml/manual/parallel_mode.xml: Likewise.
3970 * doc/xml/manual/support.xml: Likewise.
3972 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
3973 avoid -Wconversion warnings.
3975 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
3977 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
3978 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
3979 (allstamped): Add stamp-pstl.
3980 (install-headers): Add ptsl_builddir.
3981 * include/Makefile.in: Regenerate.
3982 * include/bits/c++config: Add pstl configuration.
3983 * include/pstl/LICENSE.txt: New file.
3984 * include/pstl/algorithm_fwd.h: New file.
3985 * include/pstl/algorithm_impl.h: New file.
3986 * include/pstl/execution_defs.h: New file.
3987 * include/pstl/execution_impl.h: New file.
3988 * include/pstl/glue_algorithm_defs.h: New file.
3989 * include/pstl/glue_algorithm_impl.h: New file.
3990 * include/pstl/glue_execution_defs.h: New file.
3991 * include/pstl/glue_memory_defs.h: New file.
3992 * include/pstl/glue_memory_impl.h: New file.
3993 * include/pstl/glue_numeric_defs.h: New file.
3994 * include/pstl/glue_numeric_impl.h: New file.
3995 * include/pstl/memory_impl.h: New file.
3996 * include/pstl/numeric_fwd.h: New file.
3997 * include/pstl/numeric_impl.h: New file.
3998 * include/pstl/parallel_backend.h: New file.
3999 * include/pstl/parallel_backend_tbb.h: New file.
4000 * include/pstl/parallel_backend_utils.h: New file.
4001 * include/pstl/parallel_impl.h: New file.
4002 * include/pstl/pstl_config.h: New file.
4003 * include/pstl/unseq_backend_simd.h: New file.
4004 * include/pstl/utils.h: New file.
4005 * include/std/algorithm: Include parallel algorithm implementations.
4006 * include/std/execution: New file.
4007 * include/std/memory: Include parallel algorithm implementations.
4008 * include/std/numeric: Include parallel algorithm implementations.
4009 * include/std/version: Add parallel algorithms feature test macro.
4010 * testsuite/util/pstl/pstl_test_config.h: New file.
4011 * testsuite/util/pstl/test_utils.h: New file.
4012 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4013 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4014 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4015 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4016 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4017 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4018 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4019 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4020 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4021 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4022 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4023 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4024 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4025 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4026 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4027 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4028 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4029 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4030 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4031 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4032 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4033 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4034 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4035 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4036 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4037 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4038 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4039 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4040 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4041 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4042 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4043 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4044 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4045 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4046 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4047 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4048 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4049 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4050 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4051 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4052 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4053 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4054 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4055 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4056 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4057 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4058 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4059 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4060 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4061 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4062 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4063 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4064 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4065 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
4066 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
4067 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
4068 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
4069 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
4070 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
4071 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
4072 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
4073 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
4074 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
4075 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
4076 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
4077 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
4078 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
4079 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
4080 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
4081 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
4082 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
4083 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
4084 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
4085 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
4086 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
4087 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
4088 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
4089 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
4090 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
4091 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
4092 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
4093 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
4094 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
4095 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
4096 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
4097 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
4098 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
4099 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4100 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4101 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4102 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4103 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4104 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4105 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4106 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4107 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4108 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4109 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4110 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4111 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4112 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4113 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4114 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4115 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4116 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4117 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4119 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
4121 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
4122 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
4123 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
4124 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
4125 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
4126 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
4127 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
4128 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
4129 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
4130 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
4131 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
4132 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
4133 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
4134 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
4135 when the special functions IS is enabled, not for C++17.
4136 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
4138 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
4139 without checks for special functions in C++17.
4140 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
4144 * include/backward/hash_map: Use <> for includes not "".
4145 * include/backward/hash_set: Likewise.
4146 * include/backward/strstream: Likewise.
4147 * include/tr1/bessel_function.tcc: Likewise.
4148 * include/tr1/exp_integral.tcc: Likewise.
4149 * include/tr1/legendre_function.tcc: Likewise.
4150 * include/tr1/modified_bessel_func.tcc: Likewise.
4151 * include/tr1/riemann_zeta.tcc: Likewise.
4153 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
4155 * doc/xml/manual/allocator.xml: Link to table documenting evolution
4156 of extension allocators.
4157 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
4158 Document new headers in 7.2, 8.1 and 9.1 releases.
4159 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
4160 * doc/html/*: Regenerate.
4162 2019-03-12 John David Anglin <dave.anglin@bell.net>
4165 * testsuite/lib/libstdc++.exp: Locate libatomic.
4166 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
4167 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
4169 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
4170 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
4171 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
4172 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
4174 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
4177 * configure.ac: Check for sockatmark.
4178 * crossconfig.m4: Check for sockatmark.
4179 * config.h.in: Regenerate.
4180 * configure: Regenerate.
4181 * include/experimental/internet (address_v4::_S_hton): Rename
4182 overloaded functions to _S_hton_16 and _S_ntoh_16.
4183 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
4184 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
4185 * include/experimental/socket (basic_socket::at_mark): Check
4186 _GLIBCXX_HAVE_SOCKATMARK.
4188 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
4189 const variables instead of macros.
4192 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
4193 Use correct type for len_aligned.
4194 * testsuite/20_util/hash/89629.cc: New test.
4196 2019-03-11 Jakub Jelinek <jakub@redhat.com>
4199 * include/std/atomic (atomic<T>::store, atomic<T>::load,
4200 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
4201 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
4202 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
4203 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
4204 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
4205 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
4206 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
4207 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
4208 memory_order_seq_cst to int.
4210 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
4212 * doc/xml/manual/using.xml: Use link element instead of xref.
4213 * doc/html/*: Regenerate.
4215 * include/bits/fs_path.h (path::format): Add fixed underlying type.
4217 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
4220 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
4221 parameters in deduction guides.
4222 * include/debug/multimap.h (multimap): Likewise.
4223 * include/debug/set.h (multimap): Likewise.
4224 * include/debug/multiset.h (multimap): Likewise.
4225 * include/debug/unordered_map (unordered_map): Likewise.
4226 (unordered_multimap): Likewise.
4227 * include/debug/unordered_set (unordered_set): Likewise.
4228 (unordered_multiset): Likewise.
4231 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
4232 Invalidate all iterators in case of rehash.
4233 (unordered_multimap<>::_M_check_rehashed): Likewise.
4234 * include/debug/unordered_set
4235 (unordered_set<>::_M_check_rehashed): Likewise.
4236 (unordered_multiset<>::_M_check_rehashed): Likewise.
4237 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
4239 2019-03-07 Andreas Schwab <schwab@suse.de>
4241 * config/abi/post/riscv64-linux-gnu: New directory.
4242 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
4244 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
4246 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
4247 compile test to run. Fix typo.
4249 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
4250 * doc/html/*: Regenerate.
4252 P0356R5 Simplified partial function application
4253 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
4254 helpers for bind_front.
4255 (bind_front, __cpp_lib_bind_front): Define.
4256 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
4258 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4260 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
4261 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
4262 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
4263 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
4265 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
4267 PR libstdc++/86655 - std::assoc_legendre should not constrain
4268 the value of m (or x).
4269 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
4270 __sph_legendre): If degree > order Don't throw, return 0.
4271 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
4272 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
4273 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
4274 * testsuite/tr1/5_numerical_facilities/special_functions/
4275 02_assoc_legendre/pr86655.cc: New test.
4276 * testsuite/tr1/5_numerical_facilities/special_functions/
4277 22_sph_legendre/pr86655.cc: New test.
4279 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
4282 Also PR libstdc++/85517
4283 * include/std/variant (__do_visit): New.
4284 (__variant_cast): Likewise.
4285 (__variant_cookie): Likewise.
4286 (__erased_*): Remove.
4287 (_Variant_storage::_S_vtable): Likewise.
4288 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
4289 (_Variant_storage::__M_reset): Adjust.
4290 (__variant_construct): New.
4291 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
4292 __variant_construct.
4293 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
4294 (_Move_ctor_base::__M_destructive_copy): New.
4295 (_Move_ctor_base::__M_destructive_move): Adjust to use
4296 __variant_construct.
4297 (_Copy_assign_base::operator=): Adjust to use __do_visit.
4298 (_Copy_assign_alias): Adjust to check both copy assignment
4299 and copy construction for triviality.
4300 (_Move_assign_base::operator=): Adjust to use __do_visit.
4301 (_Multi_array): Add support for visitors that accept and return
4303 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
4304 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
4305 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
4306 a __variant_cookie temporary for a variant that is valueless and..
4307 (__gen_vtable_impl::__visit_invoke): ..adjust here.
4308 (__gen_vtable::_Array_type): Conditionally make space for
4309 the __variant_cookie visitor case.
4310 (__variant_construct_by_index): New.
4311 (get_if): Adjust to use std::addressof.
4312 (relops): Adjust to use __do_visit.
4313 (variant): Add __variant_cast and __variant_construct_by_index
4315 (variant::emplace): Use _M_reset() and __variant_construct_by_index
4316 instead of self-destruction.
4317 (variant::swap): Adjust to use __do_visit.
4318 (visit): Reimplement in terms of __do_visit.
4319 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
4320 * testsuite/20_util/variant/compile.cc: Adjust.
4321 * testsuite/20_util/variant/run.cc: Likewise.
4323 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4325 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
4327 * testsuite/experimental/feat-char8_t.cc: Likewise.
4329 * include/std/type_traits [C++20] (is_bounded_array)
4330 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
4332 * testsuite/20_util/is_bounded_array/requirements/
4333 explicit_instantiation.cc: New test.
4334 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
4336 * testsuite/20_util/is_bounded_array/value.cc: New test.
4337 * testsuite/20_util/is_unbounded_array/requirements/
4338 explicit_instantiation.cc: New test.
4339 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
4341 * testsuite/20_util/is_unbounded_array/value.cc: New test.
4343 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
4345 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
4347 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
4349 * include/c_compatibility/math.h [C++20] (lerp): Add using
4351 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
4352 (__lerp): Define function template to implement lerp.
4353 (lerp(float, float, float), lerp(double, double, double))
4354 (lerp(long double, long double, long double)): Define for C++20.
4355 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
4356 (midpoint(T, T), midpoint(T*, T*)): Define.
4357 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
4358 * testsuite/26_numerics/lerp.cc: New test.
4359 * testsuite/26_numerics/midpoint/floating.cc: New test.
4360 * testsuite/26_numerics/midpoint/integral.cc: New test.
4361 * testsuite/26_numerics/midpoint/pointer.cc: New test.
4363 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
4365 PR libstdc++/88996 Implement P0439R0
4366 Make std::memory_order a scoped enumeration.
4367 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
4368 add variables for the old enumerators. Adjust calls.
4369 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
4370 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
4372 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
4374 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
4377 * include/std/memory_resource (polymorphic_allocator): Add default
4378 template argument for C++20.
4379 (polymorphic_allocator::allocate_bytes)
4380 (polymorphic_allocator::deallocate_bytes)
4381 (polymorphic_allocator::allocate_object)
4382 (polymorphic_allocator::deallocate_object)
4383 (polymorphic_allocator::new_object)
4384 (polymorphic_allocator::delete_object): New member functions for
4386 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
4389 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
4392 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
4395 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
4397 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
4398 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
4400 * include/std/memory (uses_allocator_construction_args): New set of
4401 overloaded functions.
4402 (make_obj_using_allocator, uninitialized_construct_using_allocator):
4404 * include/std/memory_resource (polymorphic_allocator::construct)
4405 [__cplusplus > 201703l]: Replace all overloads with a single function
4406 using uses_allocator_construction_args.
4407 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
4409 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
4411 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
4414 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
4415 stylesheet directories before check for xsltproc. Try to use
4416 xmlcatalog to find local stylesheet directory before trying hardcoded
4417 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
4418 check to look for the same stylesheet as doc/Makefile.am uses. Don't
4419 use xsltproc if xmlcatalog fails to find a local stylesheet.
4420 * configure.ac: Check for xmlcatalog.
4421 * Makefile.in: Regenerate.
4422 * configure: Likewise.
4423 * doc/Makefile.in: Likewise.
4424 * include/Makefile.in: Likewise.
4425 * libsupc++/Makefile.in: Likewise.
4426 * po/Makefile.in: Likewise.
4427 * python/Makefile.in: Likewise.
4428 * src/Makefile.in: Likewise.
4429 * src/c++11/Makefile.in: Likewise.
4430 * src/c++17/Makefile.in: Likewise.
4431 * src/c++98/Makefile.in: Likewise.
4432 * src/filesystem/Makefile.in: Likewise.
4433 * testsuite/Makefile.in: Likewise.
4435 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
4438 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
4439 container deduction guides.
4440 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
4441 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
4442 parameters in deduction guides.
4443 * include/bits/stl_multimap.h (multimap): Likewise.
4444 * include/bits/stl_multiset.h (multiset): Likewise.
4445 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
4446 * include/bits/stl_set.h (set): Likewise.
4447 * include/bits/stl_stack.h (stack): Likewise.
4448 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
4449 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
4450 constrain parameters in deduction guides.
4451 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
4453 * testsuite/23_containers/map/cons/deduction.cc: Test additional
4455 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
4456 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
4457 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
4458 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
4460 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
4462 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
4465 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
4466 to class template and partial specialization using void_t.
4467 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4469 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
4472 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
4473 copy and move members public.
4475 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
4477 * include/std/type_traits (__underlying_type_impl): New helper to
4478 make underlying_type SFINAE-friendly.
4479 (underlying_type): Derive from __underlying_type_impl.
4480 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
4484 * include/bits/char_traits.h (__constant_char_array): Check index is
4485 in range before dereferencing.
4486 (char_traits<char>::compare, char_traits<char>::find)
4487 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
4488 immediately if n is zero.
4489 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
4490 Remove workarounds for PR 67026.
4491 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
4493 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
4496 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4498 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
4499 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
4501 2019-02-22 Jakub Jelinek <jakub@redhat.com>
4504 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
4505 type to std::size_t and argument to type to long double.
4507 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4509 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
4510 * config/abi/post/sparc64-linux-gnu: New directory.
4511 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
4512 * config/abi/post/sparc64-linux-gnu/32: New directory.
4513 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
4515 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4517 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
4518 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
4521 2019-02-22 Tom Honermann <tom@honermann.net>
4523 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
4524 printers for u8string and u8string_view.
4526 2019-02-22 Tom Honermann <tom@honermann.net>
4528 * testsuite/18_support/byte/ops.cc: Validate
4529 std::to_integer<char8_t>, std::to_integer<char16_t>, and
4530 std::to_integer<char32_t>.
4531 * testsuite/18_support/numeric_limits/dr559.cc: Validate
4532 std::numeric_limits<char8_t>.
4533 * testsuite/18_support/numeric_limits/lowest.cc: Validate
4534 std::numeric_limits<char8_t>::lowest().
4535 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
4536 std::numeric_limits<char8_t>::max_digits10.
4537 * testsuite/18_support/type_info/fundamental.cc: Validate
4538 typeinfo for char8_t.
4539 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
4540 std::from_chars with char8_t.
4541 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
4542 Validate explicit instantiation of std::hash<char8_t>.
4543 * testsuite/20_util/is_integral/value.cc: Validate
4544 std::is_integral<char8_t>.
4545 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
4546 Validate std::make_signed<char8_t>.
4547 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
4548 Validate u8string construction from char8_t sources.
4549 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
4551 * testsuite/21_strings/basic_string_view/operations/compare/
4552 char/70483.cc: Validate substr operations on u8string_view.
4553 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
4554 the u8string_view typedef is defined.
4555 * testsuite/21_strings/char_traits/requirements/
4556 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
4558 * testsuite/21_strings/char_traits/requirements/
4559 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
4560 constexpr member functions.
4561 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
4562 that the u8string typedef is defined.
4563 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
4564 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
4565 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
4566 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
4568 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
4569 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
4571 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
4572 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
4573 Validate std::atomic<char8_t>::is_always_lock_free
4574 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
4575 Update line numbers.
4576 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
4578 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
4580 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
4581 Validate std::experimental::pmr::u8string.
4582 * testsuite/experimental/string_view/typedefs.cc: Validate that the
4583 u8string_view typedef is defined.
4584 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
4585 char32_t to the typelists.
4587 2019-02-22 Tom Honermann <tom@honermann.net>
4589 * include/ext/typelist.h: Constrain a partial specialization of
4590 typelist::detail::append_ to only match chain<T1,T2>.
4592 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4595 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
4596 class template with class. Replace move and copy member types with
4597 member alias templates, so they are only instantiated when needed.
4598 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4599 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
4600 test for C++11/14/17 as well.
4601 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
4604 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4607 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
4608 _GLIBCXX_PURE to the alias declaration.
4610 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
4612 * testsuite/21_strings/basic_string/literals/types.cc
4613 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
4614 * testsuite/21_strings/basic_string/literals/values.cc
4615 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4616 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
4617 potentially having different type.
4618 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
4619 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
4621 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
4622 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
4623 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
4624 string literals only using basic character set.
4625 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
4626 u8 literals to char.
4627 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
4628 Test ATOMIC_CHAR8_T_LOCK_FREE.
4629 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
4630 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
4631 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
4632 * testsuite/experimental/string_view/literals/types.cc
4633 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
4635 * testsuite/experimental/string_view/literals/values.cc
4636 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4638 2019-02-19 Tom Honermann <tom@honermann.net>
4640 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
4641 from char16_32_t.cc; validates numeric_limits<char8_t>.
4642 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
4643 test cloned from types.cc; validates operator""s for char8_t
4645 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
4646 test cloned from values.cc; validates construction and comparison
4648 * testsuite/21_strings/basic_string/requirements/
4649 /explicit_instantiation/char8_t/1.cc: New test cloned from
4650 char16_t/1.cc; validates explicit instantiation of
4651 basic_string<char8_t>.
4652 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
4653 New test cloned from types.cc; validates operator""sv for char8_t
4654 returns u8string_view.
4655 * testsuite/21_strings/basic_string_view/literals/
4656 values-char8_t.cc: New test cloned from values.cc; validates
4657 construction and comparison of u8string_view values.
4658 * testsuite/21_strings/basic_string_view/requirements/
4659 explicit_instantiation/char8_t/1.cc: New test cloned from
4660 char16_t/1.cc; validates explicit instantiation of
4661 basic_string_view<char8_t>.
4662 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
4663 New test cloned from char16_t/65049.cc; validates that
4664 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
4665 * testsuite/21_strings/char_traits/requirements/char8_t/
4666 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
4667 that char_traits<char8_t> member typedefs are present and correct.
4668 * testsuite/21_strings/char_traits/requirements/
4669 explicit_instantiation/char8_t/1.cc: New test cloned from
4670 char16_t/1.cc; validates explicit instantiation of
4671 char_traits<char8_t>.
4672 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
4673 from char16_t.cc: validates
4674 codecvt<char16_t, char8_t, mbstate_t>.
4675 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
4676 from char32_t.cc: validates
4677 codecvt<char32_t, char8_t, mbstate_t>.
4678 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
4679 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
4680 codecvt<char32_t, char8_t, std::mbstate_t>.
4681 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
4682 test cloned from string.cc; validates filesystem::path construction
4684 * testsuite/experimental/feat-char8_t.cc: New test; validates that
4685 the __cpp_lib_char8_t feature test macro is defined with the
4687 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
4688 New test cloned from string.cc; validates filesystem::path
4689 construction from char8_t input.
4690 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
4691 test cloned from types.cc; validates operator""sv for char8_t
4692 returns u8string_view.
4693 * testsuite/experimental/string_view/literals/values-char8_t.cc:
4694 New test cloned from values.cc; validates construction and
4695 comparison of u8string_view values.
4696 * testsuite/experimental/string_view/requirements/
4697 explicit_instantiation/char8_t/1.cc: New test cloned from
4698 char16_t/1.cc; validates explicit instantiation of
4699 basic_string_view<char8_t>.
4700 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
4701 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
4704 2019-02-19 Tom Honermann <tom@honermann.net>
4706 P0482R5 char8_t: Standard library support
4707 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
4708 typeinfo symbols for char8_t.
4709 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
4710 (GLIBCXX_3.4.26): Add symbols for specializations of
4711 numeric_limits and codecvt that involve char8_t.
4712 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
4713 * include/bits/atomic_base.h: Add atomic_char8_t.
4714 * include/bits/basic_string.h: Add std::hash<u8string> and
4715 operator""s(const char8_t*, size_t).
4716 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
4718 * include/bits/char_traits.h: Add char_traits<char8_t>.
4719 * include/bits/codecvt.h: Add
4720 codecvt<char16_t, char8_t, mbstate_t>,
4721 codecvt<char32_t, char8_t, mbstate_t>,
4722 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4723 codecvt_byname<char32_t, char8_t, mbstate_t>.
4724 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
4725 recognize char8_t as an integral type.
4726 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
4728 (path::u8string): Return std::u8string when char8_t support is
4730 (path::generic_u8string): Likewise.
4731 (path::_S_convert): Handle conversion from char8_t input.
4732 (path::_S_str_convert): Likewise.
4733 * include/bits/functional_hash.h: Add hash<char8_t>.
4734 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
4736 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
4737 for new char8_t specializations.
4738 * include/bits/localefwd.h: Add missing declarations of
4739 codecvt<char16_t, char, mbstate_t> and
4740 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
4741 codecvt<char16_t, char8_t, mbstate_t> and
4742 codecvt<char32_t, char8_t, mbstate_t>.
4743 * include/bits/postypes.h: Add u8streampos
4744 * include/bits/stringfwd.h: Add declarations of
4745 char_traits<char8_t> and u8string.
4746 * include/c_global/cstddef: Add __byte_operand<char8_t>.
4747 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4749 (path::u8string): Return std::u8string when char8_t support is
4751 (path::generic_u8string): Likewise.
4752 (path::_S_convert): Handle conversion from char8_t input.
4753 (path::_S_str_convert): Likewise.
4754 * include/experimental/string: Add u8string.
4755 * include/experimental/string_view: Add u8string_view,
4756 hash<experimental::u8string_view>, and
4757 operator""sv(const char8_t*, size_t).
4758 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
4759 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
4760 as a character type.
4761 * include/std/limits: Add numeric_limits<char8_t>.
4762 * include/std/string_view: Add u8string_view,
4763 hash<experimental::u8string_view>, and
4764 operator""sv(const char8_t*, size_t).
4765 * include/std/type_traits: Add __is_integral_helper<char8_t>,
4766 __make_unsigned<char8_t>, and __make_signed<char8_t>.
4767 * libsupc++/atomic_lockfree_defines.h: Define
4768 ATOMIC_CHAR8_T_LOCK_FREE.
4769 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
4770 codecvt.cc and limits.cc so that char8_t specializations of
4771 numeric_limits and codecvt and emitted.
4772 * src/c++11/Makefile.in: Likewise.
4773 * src/c++11/codecvt.cc: Define members of
4774 codecvt<char16_t, char8_t, mbstate_t>,
4775 codecvt<char32_t, char8_t, mbstate_t>,
4776 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4777 codecvt_byname<char32_t, char8_t, mbstate_t>.
4778 * src/c++11/limits.cc: Define members of
4779 numeric_limits<char8_t>.
4780 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
4781 locale_init.cc and localename.cc.
4782 * src/c++98/Makefile.in: Likewise.
4783 * src/c++98/locale_init.cc: Add initialization for the
4784 codecvt<char16_t, char8_t, mbstate_t> and
4785 codecvt<char32_t, char8_t, mbstate_t> facets.
4786 * src/c++98/localename.cc: Likewise.
4787 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
4789 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
4791 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
4792 * 27_io/filesystem/operations/resize_file.cc: Likewise.
4793 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
4795 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
4797 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
4798 * doc/html/*: Regenerate.
4800 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
4801 * doc/html/*: Regenerate.
4803 * doc/xml/manual/intro.xml: Document LWG 2586 status.
4804 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
4805 allocator type in is_constructible checks.
4806 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
4807 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
4808 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
4809 problematic type from LWG 2586 discussion.
4810 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
4811 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
4813 * configure.ac: Check for C11 timespec_get function.
4814 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
4816 * config.h.in: Regenerate.
4817 * configure: Regenerate.
4818 * include/c_global/ctime (timespec, timespec_get): Add to namespace
4819 std for C++17 and up.
4821 * doc/xml/manual/intro.xml: Document LWG 2537 status.
4822 * include/bits/stl_queue.h
4823 (priority_queue(const Compare&, const Container&, const Alloc&))
4824 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
4826 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
4828 * doc/xml/manual/intro.xml: Document LWG 2566 status.
4829 * include/bits/stl_queue.h (queue, priority_queue): Add static
4830 assertions to enforce LWG 2566 requirement on value_type.
4831 * include/bits/stl_stack.h (stack): Likewise.
4834 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
4836 * doc/xml/manual/intro.xml: Document LWG 2735 status.
4837 * include/bits/std_abs.h: Add comment about LWG 2735.
4838 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
4840 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
4843 * include/std/version [__cpp_impl_destroying_delete]
4844 (__cpp_lib_destroying_delete): Only define for C++2a and later.
4845 * libsupc++/new [__cpp_impl_destroying_delete]
4846 (__cpp_lib_destroying_delete): Likewise.
4847 (destroying_delete_t, destroying_delete): Likewise, but define even
4848 when __cpp_impl_destroying_delete is not defined.
4849 * testsuite/18_support/destroying_delete.cc: New test.
4851 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
4854 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
4855 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
4856 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
4857 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
4859 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
4862 * include/bits/fs_path.h (path::has_root_name)
4863 (path::has_root_directory, path::has_root_path)
4864 (path::has_relative_path, path::has_parent_path)
4865 (path::has_filename, path::has_stem, path::has_extension)
4866 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
4868 * src/c++17/fs_path.cc (path::has_root_name)
4869 (path::has_root_directory, path::has_root_path)
4870 (path::has_relative_path, path::has_parent_path)
4871 (path::has_filename, path::_M_find_extension): Add noexcept.
4873 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
4875 PR libstdc++/89102 (partial)
4876 * include/std/type_traits (common_type<>): Define.
4877 (common_type<T>): Derive from common_type<T, T>.
4878 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
4879 Test zero-length template argument list.
4880 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
4881 Test additional single argument cases.
4882 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
4883 Adjust expected error.
4885 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
4888 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
4890 * include/bits/stl_stack.h (stack): Likewise.
4891 * testsuite/23_containers/priority_queue/deduction.cc: New test.
4892 * testsuite/23_containers/queue/deduction.cc: New test.
4893 * testsuite/23_containers/stack/deduction.cc: New test.
4896 * include/std/type_traits (__is_convertible_helper)
4897 (__is_convertible_helper<_From, _To, false>): Revert changes to
4898 support is_nothrow_convertible.
4899 (__is_nt_convertible_helper): New helper.
4900 (is_nothrow_convertible): Use __is_nt_convertible_helper.
4902 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
4903 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
4906 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
4907 __is_alloc_insertable_impl. Replace single type member with two
4908 members, one for each of copy and move insertable.
4909 (__is_move_insertable): New trait for internal use.
4910 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
4911 (vector::_S_nothrow_relocate(true_type)): New functions to
4912 conditionally check if __relocate_a can throw.
4913 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
4914 on __is_move_insertable.
4915 (vector::_S_do_relocate): New overloaded functions to conditionally
4917 (vector::_S_relocate): New function that dispatches to _S_do_relocate
4918 based on _S_use_relocate.
4919 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4920 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
4921 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
4924 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
4925 parameter unnamed. Add message to static assertion.
4926 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4927 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
4930 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
4933 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
4935 (__is_bitwise_relocatable): ... to this.
4936 (__relocate_a_1): Adapt.
4937 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
4938 (__is_bitwise_relocatable): ... to this.
4940 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
4943 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
4944 final component as well as from _M_pathname. Append the dot using
4945 operator+= instead of only to _M_pathname.
4946 (path::_M_find_extension): Reformat slightly.
4947 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4948 Add more test cases.
4950 2019-01-30 Ulrich Drepper <drepper@redhat.com>
4952 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
4954 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
4956 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
4957 constexpr specifiers from arg and proj.
4959 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
4960 __shared_ptr instantiations used by gcc4-compatible ABI.
4962 * include/experimental/forward_list (experimental::erase): Qualify
4964 * include/experimental/list (experimental::erase): Likewise.
4965 * include/std/forward_list (std::erase): Likewise.
4966 * include/std/list (std::erase): Likewise.
4968 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
4970 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
4971 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
4972 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
4973 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
4974 * testsuite/ext/array_allocator/26875.cc: Likewise.
4975 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
4976 * testsuite/util/replacement_memory_operators.h: Likewise.
4977 * testsuite/util/testsuite_allocator.h: Likewise.
4979 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
4980 normal mode vector, even for debug mode.
4981 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
4982 Define alias template for normal mode vector.
4984 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
4987 * config/locale/generic/c_locale.h (__convert_from_v)
4988 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4989 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4990 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
4991 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4993 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
4996 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
4997 data member with static member function _S_use_relocate().
4998 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4999 (vector::_M_default_append): Use _S_use_relocate() instead of
5002 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
5005 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
5008 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
5009 write to stderr instead of using printf.
5011 2019-01-21 Jakub Jelinek <jakub@redhat.com>
5014 * include/bits/char_traits.h (__constant_string_p,
5015 __constant_char_array_p): Use __builtin_is_constant_evaluated if
5018 2019-01-20 Ulrich Drepper <drepper@redhat.com>
5020 Implement C++20 P0600r1.
5021 * include/backward/hash_map: Add nodiscard attribute to empty.
5022 * include/backward/hash_set: Likewise.
5023 * backward/hashtable.h: Likewise.
5024 * include/bits/basic_string.h: Likewise.
5025 * include/bits/forward_list.h: Likewise.
5026 * include/bits/hashtable.h: Likewise.
5027 * include/bits/regex.h: Likewise.
5028 * include/bits/stl_deque.h: Likewise.
5029 * include/bits/stl_list.h: Likewise.
5030 * include/bits/stl_map.h: Likewise.
5031 * include/bits/stl_multimap.h: Likewise.
5032 * include/bits/stl_multiset.h: Likewise.
5033 * include/bits/stl_queue.h: Likewise.
5034 * include/bits/stl_set.h: Likewise.
5035 * include/bits/stl_stack.h: Likewise.
5036 * include/bits/stl_tree.h: Likewise.
5037 * include/bits/stl_vector.h: Likewise.
5038 * include/bits/unordered_map.h: Likewise.
5039 * include/bits/unordered_set.h: Likewise.
5040 * include/debug/array: Likewise.
5041 * include/experimental/any: Likewise.
5042 * include/experimental/bits/fs_path.h: Likewise.
5043 * include/experimental/internet: Likewise.
5044 * include/experimental/string_view: Likewise.
5045 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
5047 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
5049 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
5051 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
5053 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
5055 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
5057 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
5059 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
5061 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5062 info_fn_imps.hpp: Likewise.
5063 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
5064 left_child_next_sibling_heap_.hpp: Likewise.
5065 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
5067 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
5069 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
5071 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
5073 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
5075 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
5077 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
5079 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
5080 * include/ext/pb_ds/trie_policy.hpp: Likewise.
5081 * include/ext/rope: Likewise.
5082 * include/ext/slist: Likewise.
5083 * include/ext/vstring.h: Likewise.
5084 * include/profile/array: Likewise.
5085 * include/std/array: Likewise.
5086 * include/tr1/array: Likewise.
5087 * include/tr1/hashtable.h: Likewise.
5088 * include/tr1/regex: Likewise.
5089 * include/tr2/dynamic_bitset: Likewise.
5090 * include/bits/alloc_traits.h: Add nodiscard attribute to
5092 * include/experimental/memory_resource: Likewise.
5093 * include/ext/alloc_traits.h: Likewise.
5094 * include/ext/array_allocator.h: Likewise.
5095 * include/ext/bitmap_allocator.h: Likewise.
5096 * include/ext/debug_allocator.h: Likewise.
5097 * include/ext/extptr_allocator.h: Likewise.
5098 * include/ext/mt_allocator.h: Likewise.
5099 * include/ext/new_allocator.h: Likewise.
5100 * include/ext/pool_allocator.h: Likewise.
5101 * include/ext/throw_allocator.h: Likewise.
5102 * include/std/scoped_allocator: Likewise.
5103 * libsupc++/eh_alloc.cc: Likewise.
5104 * include/std/future: Add nodiscard attribute to async.
5105 * libsupc++/new: Add nodiscard attribute to new.
5107 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
5112 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
5113 * include/bits/shared_ptr.h
5114 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
5115 (allocate_shared): Change to use new tag type.
5116 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
5117 Declare new member function.
5118 (_Sp_alloc_shared_tag): Define new type.
5119 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
5120 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
5121 _Sp_make_shared_tag::_S_eq to check type_info.
5122 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
5123 Constrain to prevent being called with _Sp_alloc_shared_tag.
5124 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
5125 Replace constructor with ...
5126 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
5127 reference parameter so address of the new object can be returned to
5128 the caller. Obtain the allocator from the tag type.
5129 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
5130 constructor with ...
5131 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
5132 to the __shared_count constructor.
5133 (__allocate_shared): Change to use new tag type.
5134 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
5136 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
5138 * src/c++17/fs_ops.cc
5139 (equivalent(const path&, const path&, error_code&))
5140 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
5141 compare files instead of relying on incomplete info returned by stat.
5144 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
5145 if the path is already absolute.
5146 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
5147 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
5150 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
5151 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
5152 of filesystem::exists.
5153 (create_directories(const path&, error_code&)): Add assertions.
5154 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
5155 Add workaround for bug in _wstat for paths with trailing slash.
5156 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
5157 for expected behaviour on mingw.
5158 * testsuite/experimental/filesystem/operations/create_directories.cc:
5160 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
5161 "TMP" instead of "TMPDIR" and clean environment before each test. Do
5162 not test permissions on mingw targets.
5164 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
5166 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
5167 constructors and open members taking wide strings. Fix patterns for
5168 filesystem::path members to match wstring_view parameters. Add
5169 exports for shared_ptr members used by directory iterators.
5170 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
5171 error code parameter if the file doesn't exist.
5172 * src/filesystem/ops.cc (remove(const path&, error_code&)):
5174 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
5175 values for mingw targets, where "/" is not an absolute path. Do not
5176 test symlinks on mingw targets.
5177 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5178 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
5180 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5181 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
5182 that each component of the path is created.
5183 * testsuite/experimental/filesystem/operations/create_directories.cc:
5185 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
5186 permissions on mingw targets.
5187 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5188 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5189 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5190 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
5192 * testsuite/experimental/filesystem/operations/permissions.cc:
5194 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
5195 symlinks or permissions on mingw targets.
5196 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5197 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
5198 symlinks on mingw targets.
5199 * testsuite/experimental/filesystem/operations/remove_all.cc:
5201 * testsuite/27_io/filesystem/operations/status.cc: Do not test
5202 permissions on mingw targets.
5203 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
5204 test symlinks on mingw targets.
5205 * testsuite/experimental/filesystem/operations/space.cc: Fix test
5208 2019-02-14 Ulrich Drepper <drepper@redhat.com>
5211 Warn about unused comparisons of shared_ptr/unique_ptr
5212 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
5213 * include/bits/shared_ptr.h: Use it for operator ==, !=,
5214 <, <=, >, >= for shared_ptr.
5215 * include/bits/unique_ptr.h: Likewise for unique_ptr.
5217 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
5219 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
5220 as 201611L, because P0497R0 changes are supported.
5221 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
5223 * include/bits/erase_if.h [__cplusplus > 201703L]
5224 (__cpp_lib_erase_if): Only define for C++2a.
5225 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5226 (__cpp_lib_null_iterators): Define.
5227 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5228 (__cpp_lib_null_iterators): Define.
5229 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
5231 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
5233 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
5235 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
5236 changes are supported.
5237 * include/std/optional (__cpp_lib_optional): Likewise.
5238 * include/std/variant (__cpp_lib_variant): Likewise.
5239 * include/std/version [!__STRICT_ANSI__]
5240 (__cpp_lib_uncaught_exceptions): Define as long integer.
5241 [__cplusplus >= 201703L] (__cpp_lib_any)
5242 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
5243 (__cpp_lib_variant): Define for C++17.
5244 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
5246 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
5249 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
5251 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
5255 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
5257 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
5260 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5262 * doc/xml/manual/intro.xml: Include new section.
5263 * doc/xml/manual/status_cxx2017.xml: Document more
5264 implementation-defined properties of the library.
5265 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
5266 * doc/html/*: Regenerate.
5268 * include/bits/refwrap.h [__cplusplus > 201703L]
5269 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
5270 (_Reference_wrapper_base_memfun): Do not define for C++2a.
5271 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
5273 (reference_wrapper::operator()): Add static assertion.
5274 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
5276 * include/std/chrono (duration_values::zero(), duration_values::min())
5277 (duration_values::max()): Add noexcept.
5278 (duration::zero(), duration::min(), duration::max()): Likewise.
5279 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
5280 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
5281 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
5283 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
5285 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5287 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
5288 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
5290 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5293 * include/bits/functional_hash.h (hash<nullptr_t>): Define
5294 specialization for C++17 (P0513R0, LWG 2817).
5295 * testsuite/20_util/hash/nullptr.cc: New test.
5298 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
5299 pattern for std::basic_stringbuf::str().
5301 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
5302 basic_ostream::operator<< patterns.
5304 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5306 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
5307 test failures on targets with 32-bit time_t.
5309 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
5310 * include/std/deque: Likewise.
5311 * include/std/forward_list: Likewise.
5312 * include/std/list: Likewise.
5313 * include/std/string: Likewise.
5314 * include/std/vector: Likewise.
5315 * include/std/version: Likewise.
5316 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
5317 * testsuite/23_containers/deque/erasure.cc: Likewise.
5318 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
5319 * testsuite/23_containers/list/erasure.cc: Likewise.
5320 * testsuite/23_containers/map/erasure.cc: Likewise.
5321 * testsuite/23_containers/set/erasure.cc: Likewise.
5322 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
5323 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
5324 * testsuite/23_containers/vector/erasure.cc: Likewise.
5326 * include/experimental/internet [AI_NUMERICSERV]
5327 (resolver_base::numeric_service): Define conditionally.
5328 * testsuite/experimental/net/internet/resolver/base.cc: Test it
5330 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
5333 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
5334 Jonathan Wakely <jwakely@redhat.com>
5337 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
5338 (GLIBCXX_3.4.26): Add new exports.
5339 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
5340 correct list of sources.
5341 * include/Makefile.in: Regenerate.
5342 * include/std/ostream (operator<<(nullptr_t)): New member function.
5343 * src/c++17/ostream-inst.cc: New file.
5344 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
5347 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5349 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
5350 of the source file containing the caller.
5351 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
5352 directories created by test.
5353 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5355 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5357 * testsuite/experimental/filesystem/iterators/
5358 recursive_directory_iterator.cc: Likewise.
5360 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5362 PR tree-optimization/88775
5363 * include/bits/stl_function.h (greater<_Tp*>::operator(),
5364 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
5365 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
5366 instead of __builtin_constant_p if available. Don't bother with
5367 the pointer comparison in C++11 and earlier.
5369 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5373 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
5376 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
5378 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
5379 for filesystem::path. Give variables more distinctive names.
5381 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
5382 member function to perform non-trivial assignment.
5383 (_Optional_payload_base::_M_move_assign): Likewise.
5384 (_Optional_payload<T, true, false, true>::operator=)
5385 (_Optional_payload<T, true, true, false>::operator=)
5386 (_Optional_payload<T, true, false, false>::operator=): Call
5387 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
5390 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
5391 test std::complex<long double> if long double format is IBM128.
5392 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
5395 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5397 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
5398 for old std::unique_ptr layout.
5399 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
5400 to become valueless. Add filesystem::path tests.
5403 * include/std/optional (_Optional_payload_base): New class template
5404 for common code hoisted from _Optional_payload specializations. Use
5405 a template for the union, to allow a partial specialization for
5406 types with non-trivial destructors. Add constructors for in-place
5407 initialization to the union.
5408 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
5409 to perform non-trivial copy construction, instead of relying on
5410 non-standard copy elision in a delegating constructor.
5411 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
5412 non-trivial move construction.
5413 (_Optional_payload): Derive from _Optional_payload_base and use it
5414 for everything except the non-trivial assignment operators, which are
5416 (_Optional_payload<false, C, M>): Derive from the specialization
5417 _Optional_payload<true, false, false> and add a destructor.
5418 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
5419 Forward to corresponding members of _Optional_payload.
5420 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
5421 Hoist common members from _Optional_base.
5422 (_Optional_base): Make all members and base class public.
5423 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
5424 _Optional_base_impl.
5425 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
5426 support for new std::optional layout.
5427 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
5430 * include/bits/locale_conv.h: Use <> for includes not "".
5431 * include/ext/random: Likewise.
5432 * include/ext/vstring.h: Likewise.
5434 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5436 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
5437 (GLIBCXX_3.4.21): Likewise.
5439 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5442 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
5443 to match the one that controls whether utimbuf and utime are declared.
5445 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
5448 * include/bits/char_traits.h (char_traits::move): Do not pass null
5449 pointers to memmove.
5450 * include/bits/locale_facets.h
5451 (ctype<char>::widen(const char*, const char*, char*)): Do not
5452 pass null pointers to memcpy.
5453 (ctype<char>::narrow(const char*, const char*, char, char*)):
5455 (ctype<char>::do_widen(const char*, const char*, char*)):
5457 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
5460 * doc/xml/manual/spine.xml: Update copyright years.
5461 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
5462 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
5463 for C++17 filesystem library.
5464 * doc/html/*: Regenerate.
5466 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
5467 * config.h.in: Regenerate.
5468 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
5469 alphabetically and add missing entries for copy_symlink,
5470 hard_link_count, rename, and resize_file.
5471 * configure: Regenerate.
5472 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
5473 used unconditionally.
5474 * src/filesystem/ops-common.h (__gnu_posix::truncate)
5475 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
5476 supports truncating to zero length.
5477 * testsuite/27_io/filesystem/operations/all.cc: New test.
5478 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
5480 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
5483 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
5484 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
5485 * config.h.in: Regenerate.
5486 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
5487 remaining std::filesystem types and functions.
5488 * configure: Regenerate.
5489 * src/c++17/Makefile.am: Add C++17 filesystem sources.
5490 * src/c++17/Makefile.in: Regenerate.
5491 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
5492 here, and change name of included file.
5493 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
5494 here, and change name of included file.
5495 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
5496 path to dir-common.h.
5497 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
5498 path to ops-common.h. Disable -Wunused-parameter warnings.
5499 (internal_file_clock): Define unconditionally.
5500 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
5502 (do_copy_file, do_space): Move definitions to ops.common.h.
5503 (copy, file_size, hard_link_count, last_write_time, space): Only
5504 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
5506 (last_write_time, read_symlink): Remove unused attributes from
5508 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
5509 * src/filesystem/Makefile.in: Regenerate.
5510 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
5511 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
5512 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
5513 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
5514 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
5515 dummy types and functions instead of using #error.
5516 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
5517 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
5519 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
5520 (do_copy_file, do_space): Move definitions here from std-ops.cc.
5521 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
5522 to account for new namespace.
5523 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
5524 -lstdc++fs from dg-options.
5525 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
5526 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
5527 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
5528 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
5529 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
5531 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
5532 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5534 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
5535 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
5536 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
5537 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
5538 * testsuite/27_io/filesystem/operations/create_directories.cc:
5540 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
5541 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
5542 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
5543 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
5544 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
5545 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
5546 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5547 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
5548 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
5549 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
5550 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
5551 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
5552 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
5553 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
5554 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
5555 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
5556 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
5557 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
5559 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
5563 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
5564 typeinfo and vtables less greedy.
5565 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
5566 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
5567 * src/c++17/Makefile.in: Regenerate.
5568 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
5569 here, and change name of included file.
5570 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
5571 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
5573 * src/filesystem/Makefile.in: Regenerate.
5574 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
5575 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
5576 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
5577 from dg-options and remove dg-require-filesystem-ts.
5578 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
5579 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
5580 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
5581 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
5582 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
5583 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
5584 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
5585 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
5586 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
5587 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
5588 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
5589 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
5590 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
5591 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
5592 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
5593 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
5594 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
5595 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
5596 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
5597 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
5598 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
5600 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
5601 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
5602 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
5603 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
5604 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
5605 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
5606 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
5607 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
5608 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
5609 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
5610 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
5611 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
5613 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
5615 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5617 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
5619 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
5620 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
5621 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
5622 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
5623 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
5624 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
5625 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
5626 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
5627 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
5628 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
5630 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
5631 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
5632 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
5633 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
5634 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
5637 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
5638 Check is_trivially_copyable instead of is_scalar.
5639 (variant::emplace<N, Args>(Args&&...)): If construction of the new
5640 contained value can throw and its type is trivially copyable then
5641 construct into a temporary variant and move from it, to provide the
5642 strong exception safety guarantee.
5643 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
5645 * testsuite/20_util/variant/87431.cc: New test.
5646 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
5647 conversion causes valueless state.
5650 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
5651 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
5652 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
5653 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
5654 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
5656 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
5658 * include/bits/fs_fwd.h (__file_clock): Define new clock.
5659 (file_time_type): Redefine in terms of __file_clock.
5660 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
5662 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
5664 (internal_file_lock): New helper type for accessing __file_clock.
5665 (do_copy_file): Use internal_file_lock to convert system time to
5667 (last_write_time(const path&, error_code&)): Likewise.
5668 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
5670 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
5672 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
5673 for const member functions of std::basic_string.
5674 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
5676 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
5677 Make non-standard constructor private.
5678 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
5680 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
5681 explicit instantiations for C++17 as well as earlier dialects.
5682 * src/c++17/Makefile.am: Add new source files.
5683 * src/c++17/Makefile.in: Regenerate.
5684 * src/c++17/cow-string-inst.cc: New file defining explicit
5685 instantiations for basic_string member functions added in C++17.
5686 * src/c++17/string-inst.cc: Likewise.
5688 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
5689 copy/move constructors for old std::basic_string.
5690 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
5691 (basic_string::reference, basic_string::const_reference): Define
5692 as plain references for C++11 and later.
5693 (basic_string::basic_string()): Put constructor body outside
5694 preprocessor conditional groups.
5695 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
5696 instead of copying it.
5697 (basic_string::basic_string(const basic_string&, const _Alloc&)):
5699 (basic_string::basic_string(basic_string&&, const _Alloc&)):
5701 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
5702 cases for old basic_string.
5703 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
5704 allocator-extended constructors unconditionally. Add extra members to
5705 allocator type when using old string ABI.
5706 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
5708 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
5710 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
5711 -fno-inline added to test flags.
5713 * testsuite/21_strings/basic_string/requirements/
5714 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
5716 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
5717 assertion failures with old std::string ABI.
5719 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
5721 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
5722 functions that will only erase elements at the end.
5723 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
5724 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
5725 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
5727 (path::_List::pop_back()): Define.
5728 (path::_List::_M_erase_from(const_iterator)): Define.
5729 (path::operator/=(const path&)): Use pop_back to remove last component
5730 and _M_erase_from to remove multiple components.
5731 (path::_M_append(basic_string_view<value_type>)): Likewise.
5732 (path::operator+=(const path&)): Likewise.
5733 (path::_M_concat(basic_string_view<value_type>)): Likewise.
5734 (path::remove_filename()): Likewise.
5735 (path::lexically_normal()): Use _List::_Impl iterators instead of
5736 path::iterator. Use pop_back to remove components from the end. Clear
5737 trailing filename, instead of using erase(const_iterator) to remove
5738 a non-final component.
5739 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
5741 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
5743 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
5744 incorrect treatment of empty filename after trailing slash.
5745 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
5747 * testsuite/21_strings/basic_string/modifiers/assign/char/
5748 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
5750 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
5751 move_assign_optim.cc: Likewise.
5753 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5754 Jakub Jelinek <jakub@redhat.com>
5757 * include/experimental/memory: Replace UTF-8 quote characters.
5758 * include/std/future: Replace UTF-8 "em dash" characters.
5760 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5763 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
5764 * include/debug/forward_list: Likewise.
5765 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
5767 * include/experimental/chrono: Likewise.
5768 * include/experimental/functional: Likewise.
5769 * include/experimental/ratio: Likewise.
5770 * include/experimental/system_error: Likewise.
5771 * include/experimental/tuple: Likewise.
5772 * include/experimental/type_traits: Likewise.
5773 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
5774 * include/parallel/multiseq_selection.h: Likewise.
5777 * config/abi/pre/gnu.ver: Add missing exports.
5778 * testsuite/22_locale/collate_byname/88681.cc: New test.
5779 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
5780 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
5782 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
5784 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
5785 initializer_list<value_type> and from input iterator ranges.
5786 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
5788 * testsuite/experimental/string_view/element_access/char/empty.cc:
5789 Fix year range in copyright header.
5791 2019-01-02 Joel Brobecker <brobecker@adacore.com>
5793 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
5794 Fix year range in copyright header.
5796 2019-01-01 Jakub Jelinek <jakub@redhat.com>
5798 Update copyright years.
5800 Copyright (C) 2019 Free Software Foundation, Inc.
5802 Copying and distribution of this file, with or without modification,
5803 are permitted in any medium without royalty provided the copyright
5804 notice and this notice are preserved.