1 2019-10-10 Jonathan Wakely <jwakely@redhat.com>
4 * src/c++98/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]
5 (find_ldbl_sync_facet): Fix parameter type and missing return.
7 2019-10-09 Marek Polacek <polacek@redhat.com>
9 PR c++/91364 - P0388R4: Permit conversions to arrays of unknown bound.
10 PR c++/69531 - DR 1307: Differently bounded array parameters.
11 PR c++/88128 - DR 330: Qual convs and pointers to arrays of pointers.
12 * testsuite/23_containers/span/lwg3255.cc: Adjust test to match the
13 post-P0388R4 behavior.
15 2019-10-09 Jonathan Wakely <jwakely@redhat.com>
18 * src/c++98/locale.cc (locale::id::_M_id()) [__GTHREADS]: Use atomic
19 compare-exchange or double-checked lock to ensure only one thread sets
20 the _M_index variable.
21 [_GLIBCXX_LONG_DOUBLE_COMPAT]: Call find_ldbl_sync_facet to detect
22 facets that share another facet's ID.
23 [_GLIBCXX_LONG_DOUBLE_COMPAT] (find_ldbl_sync_facet): New function.
26 * src/c++98/locale_init.cc (locale::classic()): Do not construct a new
27 locale object for every call.
28 (locale::_S_initialize_once()): Construct C locale here.
30 2019-10-08 Jonathan Wakely <jwakely@redhat.com>
32 * doc/Makefile.am (doc-html-docbook-regenerate): New target.
33 (${docbook_outdir}/html): Do not create unused 'html/ext' directory.
34 * doc/Makefile.in: Regenerate.
35 * doc/xml/manual/documentation_hacking.xml: Document new target.
36 * doc/html/*: Regenerate.
38 * doc/xml/manual/allocator.xml: Use archived copy of CUJ article.
39 * doc/html/*: Regenerate.
41 2019-10-06 François Dumont <fdumont@gcc.gnu.org>
43 * include/bits/stl_algo.h
44 (__copy_n_a(_IIte, _Size, _OIte)): New.
45 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New declaration.
46 (__copy_n(_IIte, _Size, _OIte, input_iterator_tag)): Adapt to use
48 * include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
49 std::__copy_n_a friend.
50 (__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New.
51 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1.cc: New.
52 * testsuite/25_algorithms/copy_n/istreambuf_iterator/1_neg.cc: New.
53 * testsuite/25_algorithms/copy_n/istreambuf_iterator/2_neg.cc: New.
55 * include/bits/stl_iterator_base_types.h (__iterator_category_t): Define
57 (_RequireInputIte): Likewise and use __enable_if_t.
59 (__is_random_access_iter): Use __iterator_category_t.
61 * include/bits/stl_algo.h (copy_n): Add __glibcxx_requires_can_increment
63 * testsuite/25_algorithms/copy_n/debug/1_neg.cc: New.
64 * testsuite/25_algorithms/copy_n/debug/2_neg.cc: New.
66 2019-10-04 François Dumont <fdumont@gcc.gnu.org>
68 * include/debug/forward_list
69 (_Sequence_traits<__debug::forward_list<>>::_S_size): Returns __dp_sign
70 distance when not empty.
71 * include/debug/list (_Sequence_traits<__debug::list<>>::_S_size):
73 * include/debug/helper_functions.h (__dp_sign_max_size): New
74 _Distance_precision enum entry.
75 (__valid_range_aux(_IIte, _IIte, _Distance_traits<>::__type,
76 __false_type)): Adapt.
77 * include/debug/safe_iterator.tcc
78 (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator&)): Review
81 2019-10-04 Jonathan Wakely <jwakely@redhat.com>
85 * configure.ac: Use AC_SYS_LARGEFILE to enable 64-bit file APIs.
86 * config.h.in: Regenerate:
87 * configure: Regenerate:
88 * include/Makefile.am (${host_builddir}/largefile-config.h): New
89 target to generate config header for filesystem library.
90 (${host_builddir}/c++config.h): Rename macros for large file support.
91 * include/Makefile.in: Regenerate.
92 * src/c++17/fs_dir.cc: Include new config header.
93 * src/c++17/fs_ops.cc: Likewise.
94 (filesystem::file_size): Use uintmax_t for size.
95 * src/filesystem/dir.cc: Include new config header.
96 * src/filesystem/ops.cc: Likewise.
97 (experimental::filesystem::file_size): Use uintmax_t for size.
99 * testsuite/util/testsuite_abi.h: Use std::unordered_map instead of
100 std::tr1::unordered_map.
101 * testsuite/util/testsuite_allocator.h: Likewise.
103 * include/tr1/hashtable.h: Add header for __gnu_cxx::__alloc_traits.
105 * include/tr1/hashtable.h (tr1::_Hashtable::_M_allocate_node): Use
106 __gnu_cxx::__alloc_traits for allocator construct function.
107 (tr1::_Hashtable::_M_deallocate_node): Likewise for destroy function.
109 * include/precompiled/stdc++.h: Include <span> for C++20.
110 * testsuite/17_intro/names.cc: Do not define 'e' for C++20.
112 2019-10-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
114 * include/parallel/multiway_merge.h (_RAIter3): Replace _C by _Cp.
116 2019-10-02 Jonathan Wakely <jwakely@redhat.com>
118 * config/abi/pre/gnu.ver: Tighten up greedy wildcards.
120 * doc/xml/manual/parallel_mode.xml: Add caveat about support for
122 * doc/html/*: Regenerate.
124 2019-10-01 Jonathan Wakely <jwakely@redhat.com>
126 * include/experimental/algorithm (experimental::sample): Qualify call
127 to __sample correctly.
128 * include/parallel/algo.h (sample, for_each_n): Add using-declarations
129 for algorithms that don't have parallel implementations.
131 * include/parallel/algobase.h (equal, lexicographical_compare): Add
132 _GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
134 * include/parallel/algorithmfwd.h (equal, lexicographical_compare):
135 Add _GLIBCXX20_CONSTEXPR.
137 * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
139 * testsuite/20_util/hash/84998.cc: Likewise.
140 * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
141 * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
142 * testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
143 * testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
144 * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
145 * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
146 * testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
147 * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
149 * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
151 * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
153 * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
155 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
157 * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
158 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
159 * testsuite/25_algorithms/copy/86658.cc: Likewise.
160 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
161 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
162 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
163 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
165 * include/parallel/algo.h: Replace non-reserved names.
166 * include/parallel/multiway_merge.h: Likewise.
167 * include/parallel/multiway_mergesort.h: Likewise.
168 * include/parallel/numericfwd.h: Likewise.
169 * testsuite/17_intro/names.cc: Add RAI to test macros.
171 2019-09-30 François Dumont <fdumont@gcc.gnu.org>
173 * include/debug/array: Add C++20 constexpr to comparison operators.
174 * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
175 dg-error line numbers.
176 * testsuite/23_containers/array/tuple_interface/
177 tuple_element_debug_neg.cc: Likewise.
179 2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
181 * include/experimental/internet: Include netinet/in.h if we have
182 _GLIBCXX_HAVE_NETINET_IN_H defined.
184 * testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
185 FreeBSD warning about lower advertised precision of tgammal.
186 * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
187 * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
188 * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
189 * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
190 * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
191 * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
192 * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
193 * testsuite/tr1/5_numerical_facilities/special_functions/
194 08_cyl_bessel_i/check_nan.cc: Likewise.
195 * testsuite/tr1/5_numerical_facilities/special_functions/
196 09_cyl_bessel_j/check_nan.cc: Likewise.
197 * testuite/tr1/5_numerical_facilities/special_functions/
198 10_cyl_bessel_k/check_nan.cc: Likewise.
199 * testsuite/tr1/5_numerical_facilities/special_functions/
200 11_cyl_neumann/check_nan.cc: Likewise.
201 * testsuite/tr1/5_numerical_facilities/special_functions/
202 21_sph_bessel/check_nan.cc: Likewise.
203 * testsuite/tr1/5_numerical_facilities/special_functions/
204 23_sph_neumann/check_nan.cc: Likewise.
206 2019-09-30 Jonathan Wakely <jwakely@redhat.com>
208 * include/std/span (span(element_type(&)[N]))
209 (span(array<value_type, N>&), span(const array<value_type, N>&)):
210 Deduce array element type to allow safe const conversions (LWG 3255).
211 [!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
212 remove_cv_t on arguments to __is_std_span and __is_std_array.
213 * testsuite/23_containers/span/lwg3255.cc: New test.
216 * include/parallel/checkers.h (__is_sorted): Remove unused variable.
218 2019-09-28 François Dumont <fdumont@gcc.gnu.org>
220 * include/bits/stl_algo.h (merge): Fix documentation.
221 * include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
222 (__check_sorted): Likewise and remove nested irreflexive check.
223 (__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
224 (__check_partitioned_lower, __check_partitioned_upper): Likewise.
225 (_Irreflexive_checker::_S_is_valid): Likewise.
226 (__is_irreflexive, __is_irreflexive_pred): Likewise.
227 * include/debug/helper_functions.h (__get_distance): Add constexpr.
228 (__valid_range_aux): Add C++20 constexpr.
229 (__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
230 Likewise and add std::is_constant_evaluated check.
231 (__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
232 (__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
233 (__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
235 (__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
236 __builtin_is_contant_evaludated check..
237 (__can_advance, __base): Add constexpr.
238 * include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
239 (_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
240 (__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
241 (__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
242 * testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
244 * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
245 * testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
246 lambda to be irreflexive.
248 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
250 * configure: Regenerate.
252 2019-09-27 Jonathan Wakely <jwakely@redhat.com>
255 * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
256 atomically and lock the mutex before accessing the sequence.
257 (_Safe_local_iterator_base::_M_detach()): Likewise.
258 (_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
260 2019-09-26 Jonathan Wakely <jwakely@redhat.com>
262 * include/debug/array (to_array): Define for debug mode.
264 * include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
265 piecewise construction constructor, assignment operators, and swap.
266 * include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
267 Add _GLIBCXX20_CONSTEXPR.
268 (pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
269 * testsuite/20_util/pair/constexpr_assign.cc: New test.
270 * testsuite/20_util/pair/constexpr_swap.cc: New test.
272 * include/experimental/internet (operator==, operator<): Fix loop
273 condition to avoid reading past the end of the array.
275 * include/std/array: Remove references to profile mode.
276 * include/std/bitset: Likewise.
277 * include/std/deque: Likewise.
278 * include/std/forward_list: Likewise.
279 * include/std/list: Likewise.
280 * include/std/map: Likewise.
281 * include/std/set: Likewise.
282 * include/std/unordered_map: Likewise.
283 * include/std/unordered_set: Likewise.
284 * include/std/vector: Likewise.
285 * testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
286 * testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
288 2019-09-25 Jonathan Wakely <jwakely@redhat.com>
290 * include/bits/regex.h
291 (basic_regex::assign(const C*, size_t, flag_type)): Add default
293 * testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
294 * testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
296 2019-09-24 Jonathan Wakely <jwakely@redhat.com>
298 * include/std/variant (variant::index()): Remove impossible case.
301 * testsuite/util/testsuite_hooks.h
302 (conversion::iterator_to_const_iterator()): Do not return an invalid
303 iterator. Test direct-initialization and direct-list-initialization
304 as well as implicit conversion.
306 2019-09-23 Jonathan Wakely <jwakely@redhat.com>
308 PR libstdc++/91788 (partial)
309 * include/std/variant (variant::index()): Improve codegen for cases
310 where conversion to size_t already works correctly.
312 2019-09-23 Andreas Schwab <schwab@suse.de>
314 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
316 2019-09-12 Jonathan Wakely <jwakely@redhat.com>
319 * include/bits/stl_algo.h (for_each_n): Fix random access iterator
321 * testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
324 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
326 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
329 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
330 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
331 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
334 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
336 * include/std/type_traits (__do_common_type_impl): Implement
337 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
338 (basic_common_reference, common_reference, common_reference_t): Define
340 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
342 * testsuite/20_util/common_reference/requirements/
343 explicit_instantiation.cc: New test.
344 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
347 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
348 non-template overloads for each signed and unsigned integer type and
349 char. Define deleted overload for bool (LWG 3266).
350 * testsuite/20_util/to_chars/1_neg.cc: Remove.
351 * testsuite/20_util/to_chars/3.cc: New test.
352 * testsuite/20_util/to_chars/lwg3266.cc: New test.
354 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
356 * acinclude.m4: Handle uclinux*.
357 * configure: Regenerate.
358 * configure.host: Handle uclinux*
360 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
361 Mickaël Guêné <mickael.guene@st.com>
363 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
366 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
369 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
370 0ul being a valid null pointer constant.
372 * include/std/type_traits (__remove_cv_t): New alias template.
373 (is_void, is_integral, is_floating_point, is_pointer)
374 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
375 (is_member_point), __is_signed_integer, __is_unsigned_integer)
376 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
377 (__decay_selector): Use __remove_cv_t.
378 (remove_cv): Add partial specializations for cv-qualified types.
379 (__decay_t): New alias template.
380 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
382 (__enable_if_t): Move earlier in the file.
383 (_Require): Use __enable_if_t.
384 (swap(T&, T&)): Use _Require.
385 (swap(T(&)[N])): Use __enable_if_t.
387 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
389 Implement C++20 p1424 - 'constexpr' feature macro concerns,
390 Issue 3256 - Feature testing macro for constexpr algorithms,
391 and Issue 3257 - Missing feature testing macro update from P0858.
392 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
393 * include/bits/algorithmfwd.h: Ditto.
394 * include/std/utility: Ditto.
395 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
396 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
397 __cpp_lib_constexpr macro in <algorith>.
398 * testsuite/20_util/exchange/constexpr.cc: Add check for
399 __cpp_lib_constexpr macro in <utility>.
400 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
401 __cpp_lib_constexpr_algorithms.
402 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
403 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
404 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
405 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
406 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
407 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
408 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
409 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
410 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
411 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
412 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
413 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
414 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
415 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
416 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
417 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
418 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
419 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
420 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
421 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
422 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
423 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
424 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
425 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
426 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
427 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
428 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
429 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
430 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
431 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
432 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
433 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
434 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
435 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
436 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
437 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
438 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
439 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
440 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
441 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
442 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
443 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
444 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
445 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
446 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
447 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
448 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
449 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
450 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
451 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
452 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
453 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
454 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
456 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
458 Update docs for recent <span> and constexpr lib changes.
459 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
460 p1023r0, p1085r2 status.
461 * doc/html/manual/status.html: Regenerate.
463 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
465 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
466 final offsets with constants.
468 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
470 * include/bits/range_access.h (__adl_to_address): Remove.
471 * include/std/span (__is_base_derived_safe_convertible_v): Replace
472 with span::__is_compatible.
473 (__is_std_array_v): Replace with __is_std_array class template and
474 partial specializations.
475 (__is_std_array, __is_std_span): New class templates and partial
477 (span::__is_compatible): New alias template for SFINAE constraints.
478 (span::span(element_type (&)[N])): Remove redundant constraints. Do
479 not use __adl_data to obtain a pointer.
480 (span::span(array<value_type, N>&)): Likewise.
481 (span::span(const array<value_type, N>&)): Likewise.
482 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
483 (span::iter_value_t, span::derived_from): New alias templates for
484 SFINAE constraints, until the equivalents are supported in <concepts>
486 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
487 for SFINAE constraints.
488 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
490 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
491 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
492 Use std::to_address instead of __adl_to_address.
493 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
494 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
495 template for SFINAE constraints.
496 [!_GLIBCXX_P1394] (span::span(Container&))
497 (span::span(const Container&)): Improve constraints.
498 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
499 (span::span(pointer, pointer)): Remove redundant cast of pointer.
500 (span(const span<OType, OExtent>&)): New constructor.
502 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
504 * include/bits/range_access.h (ssize): Define for C++20.
505 * testsuite/24_iterators/range_access_cpp20.cc: New test.
506 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
507 * doc/html/*: Regenerate.
509 2019-09-06 Florian Weimer <fweimer@redhat.com>
511 * configure: Regenerate.
513 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
515 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
516 P1024R3. Remove entry for P0920R2.
517 * include/std/span (__cpp_lib_span): Change value.
518 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
520 (span): Replace __extent_storage base class with data member.
521 (span::_S_subspan_extent): New function.
522 (span::empty()): Add nodiscard attribute.
523 (span::front, span::back, span::operator[]): Check preconditions.
524 (span::first, span::last, span::subspan): Add noexcept. Improve
525 precondition checks (LWG 3103).
526 (get): Remove redundant condition from static_assert.
527 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
528 (as_writable_bytes): Add inline specifier.
529 * include/std/version (__cpp_lib_span): Change value.
530 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
531 * testsuite/23_containers/span/front_neg.cc: Likewise.
532 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
533 * testsuite/23_containers/span/last_neg.cc: Improve test.
534 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
535 * testsuite/23_containers/span/1.cc: New test.
536 * testsuite/23_containers/span/2.cc: New test.
537 * testsuite/23_containers/span/back_assert_neg.cc: New test.
538 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
539 * testsuite/23_containers/span/first_assert_neg.cc: New test.
540 * testsuite/23_containers/span/first_neg.cc: New test.
541 * testsuite/23_containers/span/front_assert_neg.cc: New test.
542 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
543 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
544 * testsuite/23_containers/span/last_assert_neg.cc: New test.
545 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
546 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
547 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
548 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
549 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
550 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
552 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
554 * include/Makefile.am: Add <span> header.
555 * include/Makefile.in: Regenerate.
556 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
557 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
558 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
559 New functions for performing argument-dependent lookup of range
560 customization points.
561 * include/bits/stl_iterator.h (__normal_iterator): Add
562 _GLIBCXX20_CONSTEXPR to all functions.
563 * include/std/span: New header.
564 * include/std/version (__cpp_lib_span): Define feature test macro.
565 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
566 * testsuite/23_containers/span/everything.cc: New test.
567 * testsuite/23_containers/span/get_neg.cc: New test.
568 * testsuite/23_containers/span/last_neg.cc: New test.
569 * testsuite/23_containers/span/subspan_neg.cc: New test.
570 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
571 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
572 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
574 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
576 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
577 * doc/html/*: Regenerate.
579 2019-09-04 Mike Crowe <mac@mcrowe.com>
582 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
583 pthread_cond_clockwait function.
584 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
585 * configure: Regenerate.
586 * config.h.in: Regenerate.
587 * include/std/condition_variable: (condition_variable): Rename
588 __steady_clock_t typedef and add system_clock. Change __clock_t to be
589 a typedef for the preferred clock to convert arbitrary other clocks to.
590 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
592 (wait_until): Change __clock_t overload to use system_clock.
593 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
594 steady_clock overload that calls pthread_cond_clockwait.
595 (__wait_until_impl): Change __clock_t overload to use system_clock.
596 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
597 steady_clock for __clock_t if pthread_cond_clockwait is available.
599 2019-09-04 Mike Crowe <mac@mcrowe.com>
601 * testsuite/30_threads/condition_variable/members/2.cc (test01):
602 Parameterise so that test can be run against an arbitrary clock.
603 (main): Test using std::chrono::steady_clock and a user-defined
604 clock in addition to the previous std::chrono::system_clock.
605 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
607 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
609 * crossconfig.m4: Remove references to spu.
610 * configure: Regenerate.
611 * doc/xml/manual/appendix_contributing.xml: Remove references
612 to __ea as "badword" for spu.
613 * doc/html/manual/source_code_style.html: Regenerate.
614 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
615 to avoid __ea (as "badword" for spu).
616 (__ellint_rj): Likewise.
618 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
621 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
622 scanning to conform to the GNU Coding Standards.
623 * configure: Regenerate.
625 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
627 * src/c++17/memory_resource.cc: Use __constinit keyword.
629 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
631 * doc/xml/manual/abi.xml: Document 9.x library versions.
632 * doc/html/*: Regenerate.
634 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
636 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
637 (__detail::__to_chars_8_len): Remove.
638 (__detail::__to_chars_8): Inline length calculation here.
639 (__detail::__from_chars_binary): Use numeric_limits instead of
642 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
644 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
645 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
646 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
647 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
650 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
652 * testsuite_files/util/testsuite_performance.h
653 (resource_counter::start): Ignore unused malloc(0) result.
655 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
657 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
658 Model Object Technologies): Adjust name and link.
660 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
662 * include/std/charconv (__detail::__to_chars_8)
663 __detail::__to_chars_16): Replace array of precomputed digits with
664 arithmetic operations to avoid CPU cache misses. Remove zero
665 termination from array of digits to allow symbol merge with generic
666 implementation of __detail::__to_chars. Replace final offsets with
667 constants. Use __detail::__to_chars_len_2 instead of a generic
668 __detail::__to_chars_len.
669 (__detail::__to_chars): Remove zero termination from array of digits.
670 (__detail::__to_chars_2): Leading digit is always '1'.
672 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
674 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
676 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
678 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
680 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
683 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
684 to template parameters.
685 * include/bits/stl_uninitialized.h (uninitialized_copy)
686 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
687 diagnose invalid uses.
688 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
689 Adjust expected error.
690 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
692 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
694 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
696 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
698 * testsuite/23_containers/vector/cons/89164.cc: New test.
699 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
701 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
704 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
705 * configure: Regenerate.
706 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
708 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
710 * testsuite/util/testsuite_abi.cc: Add new symbol version.
712 2019-08-29 Jakub Jelinek <jakub@redhat.com>
714 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
715 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
717 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
719 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
720 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
721 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
722 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
723 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
724 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
725 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
727 2019-08-23 Joseph Myers <joseph@codesourcery.com>
729 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
730 (std::filesystem::__gnu_posix::lstat): Add return type.
732 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
734 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
736 * include/std/numeric (reduce): Fix Doxygen markup.
739 * include/std/type_traits (is_function): Simplify definition. Remove
740 partial specializations for function types.
741 (__is_referenceable): Simplify definition.
742 * testsuite/20_util/bind/91371.cc: New test.
743 * testsuite/20_util/is_function/91371.cc: New test.
744 * testsuite/20_util/is_function/value.cc: Check more pointer types.
745 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
746 * testsuite/20_util/is_object/91371.cc: New test.
748 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
750 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
752 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
755 * include/bits/std_function.h (__check_func_return_type): Remove.
756 (function::_Callable): Use std::__is_invocable_impl instead of
757 __check_func_return_type.
758 * include/std/type_traits (__is_invocable_impl): Add another defaulted
759 template parameter. Define a separate partial specialization for
760 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
761 with a check that models delayed temporary materialization.
762 * testsuite/20_util/function/91456.cc: New test.
763 * testsuite/20_util/is_invocable/91456.cc: New test.
765 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
767 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
769 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
771 Implement C++20 p0879 - Constexpr for swap and swap related functions.
772 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
773 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
775 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
776 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
777 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
778 * include/bits/move.h (swap): Add constexpr.
779 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
780 (__gcd, __rotate, rotate, __partition, __heap_select)
781 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
782 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
783 (__introselect, __chunk_insertion_sort, next_permutation)
784 (prev_permutation, partition, partial_sort, nth_element, sort)
785 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
786 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
787 (swap_ranges): Add constexpr.
788 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
789 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
791 * include/std/type_traits (swap): Add constexpr.
792 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
793 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
794 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
795 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
796 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
797 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
798 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
799 * testsuite/25_algorithms/partition/constexpr.cc: New test.
800 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
801 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
802 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
803 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
804 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
805 * testsuite/25_algorithms/sort/constexpr.cc: New test.
806 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
807 * testsuite/25_algorithms/swap/constexpr.cc: New test.
808 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
810 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
813 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
815 * include/std/tuple (__unpack_std_tuple): New variable template and
816 partial specializations.
817 (apply, make_from_tuple): Add noexcept-specifier.
818 * testsuite/20_util/tuple/apply/2.cc: New test.
819 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
821 2019-08-09 Corentin Gay <gay@adacore.com>
823 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
824 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
825 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
826 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
827 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
828 Add call to `VERIFY`.
830 2019-08-09 Alexandre Oliva <oliva@adacore.com>
833 (normal_mv_distribution::param_type::param_type): New private
834 ctor taking a decomposed varcov matrix, for use by...
835 (operator>>): ... this, befriended.
836 * include/ext/random.tcc (operator>>): Use it.
837 (normal_mv_distribution::param_type::_M_init_lower): Adjust
838 member function name in exception message.
840 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
842 P0325R4 to_array from LFTS with updates
843 * include/experimental/array (to_array): Qualify call to __to_array.
844 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
845 * include/std/version (__cpp_lib_to_array): Likewise.
846 * testsuite/23_containers/array/creation/1.cc: New test.
847 * testsuite/23_containers/array/creation/2.cc: New test.
848 * testsuite/23_containers/array/creation/3_neg.cc: New test.
849 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
850 Use zero for dg-error line number.
852 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
854 P1651R0 bind_front should not unwrap reference_wrapper
855 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
856 * include/std/version (__cpp_lib_bind_front): Update value.
857 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
859 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
861 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
862 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
863 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
864 specializations for __float128.
865 * testsuite/26_numerics/numbers/float128.cc: New test.
867 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
869 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
872 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
874 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
875 in <algorithm> and <utility> Headers.
876 Implement C++20 p1023 - constexpr comparison operators for std::array.
877 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
878 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
879 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
880 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
881 none_of, partition_copy, partition_point, remove, remove_if,
882 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
883 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
884 count_if, equal, find, find_first_of, find_if, for_each, generate,
885 generate_n, lexicographical_compare, merge, mismatch, replace,
886 replace_if, search, search_n, set_difference, set_intersection,
887 set_symmetric_difference, set_union, transform, unique_copy):
889 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
890 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
891 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
892 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
893 Use const ref instead of ref arg;
894 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
895 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
896 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
897 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
898 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
899 __iter_comp_iter): Mark constexpr.
900 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
901 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
902 none_of, any_of, find_if_not, is_partitioned, partition_point,
903 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
904 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
905 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
906 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
907 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
908 __equal_range, equal_range, binary_search, __includes, includes,
909 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
910 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
911 is_sorted_until, __is_permutation, is_permutation, for_each, find,
912 find_if, find_first_of, adjacent_find, count, count_if, search,
913 search_n, transform, replace, replace_if, generate, generate_n,
914 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
915 set_intersection, __set_difference, set_difference,
916 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
917 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
918 wrappers around __builtin_memmove and __builtin_memcmp
920 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
921 copy, move, __copy_move_b, __copy_move_backward_a,
922 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
923 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
924 __lexicographical_compare_impl, __lexicographical_compare,
925 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
926 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
927 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
928 is_heap): Mark constexpr.
929 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
930 is_heap): Mark constexpr.
931 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
932 * include/std/array: Make comparison ops constexpr.
933 * include/std/utility: Make exchange constexpr.
934 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
935 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
936 * testsuite/23_containers/array/tuple_interface/
937 tuple_element_neg.cc: Adjust.
938 * testsuite/20_util/exchange/constexpr.cc: New.
939 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
940 * testsuite/25_algorithms/constexpr_macro.cc: New.
941 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
942 * testsuite/25_algorithms/all_of/constexpr.cc: New.
943 * testsuite/25_algorithms/any_of/constexpr.cc: New.
944 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
945 * testsuite/25_algorithms/copy/constexpr.cc: New.
946 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
947 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
948 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
949 * testsuite/25_algorithms/count/constexpr.cc: New.
950 * testsuite/25_algorithms/count_if/constexpr.cc: New.
951 * testsuite/25_algorithms/equal/constexpr.cc: New.
952 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
953 * testsuite/25_algorithms/fill/constexpr.cc: New.
954 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
955 * testsuite/25_algorithms/find/constexpr.cc: New.
956 * testsuite/25_algorithms/find_end/constexpr.cc: New.
957 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
958 * testsuite/25_algorithms/find_if/constexpr.cc: New.
959 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
960 * testsuite/25_algorithms/for_each/constexpr.cc: New.
961 * testsuite/25_algorithms/generate/constexpr.cc: New.
962 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
963 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
964 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
965 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
966 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
967 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
968 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
969 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
970 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
971 * testsuite/25_algorithms/merge/constexpr.cc: New.
972 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
973 * testsuite/25_algorithms/none_of/constexpr.cc: New.
974 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
975 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
976 * testsuite/25_algorithms/remove/constexpr.cc: New.
977 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
978 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
979 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
980 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
981 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
982 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
983 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
984 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
985 * testsuite/25_algorithms/search/constexpr.cc: New.
986 * testsuite/25_algorithms/search_n/constexpr.cc: New.
987 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
988 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
989 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
990 * testsuite/25_algorithms/set_union/constexpr.cc: New.
991 * testsuite/25_algorithms/transform/constexpr.cc: New.
992 * testsuite/25_algorithms/unique/constexpr.cc: New.
993 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
994 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
996 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
998 * include/std/memory (make_obj_using_allocator): Qualify call to
999 uses_allocator_construction_args.
1001 P0631R4 Math Constants
1002 * include/Makefile.am: Add new header.
1003 * include/Makefile.in: Regenerate.
1004 * include/precompiled/stdc++.h: Include new header.
1005 * include/std/numbers: New header.
1006 * include/std/version (__cpp_lib_math_constants): Define.
1007 * testsuite/26_numerics/numbers/1.cc: New test.
1008 * testsuite/26_numerics/numbers/2.cc: New test.
1009 * testsuite/26_numerics/numbers/3.cc: New test.
1010 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
1012 * include/std/bit: Add Doxygen comments.
1015 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
1016 constraints on deleter that should only apply to the constructor.
1017 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
1018 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
1019 constraints on deleter here.
1020 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
1022 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
1025 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
1027 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
1029 * testsuite/18_support/51333.cc: New test.
1031 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
1033 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
1034 to the Doxygen manual. Avoid a "here" link on the way.
1035 Fix another broken link to Doxygen docblocks.
1037 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
1039 * include/std/bit (__cpp_lib_endian): Define.
1040 * include/std/version (__cpp_lib_endian): Define.
1041 * testsuite/26_numerics/endian/2.cc: New.
1042 * testsuite/26_numerics/endian/3.cc: New.
1043 * testsuite/26_numerics/endian/4.cc: New.
1045 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
1047 * testsuite/util/testsuite_iterators.h
1048 (bidirectional_iterator_wrapper): Fix type comment.
1049 (random_access_iterator_wrapper): Likewise.
1051 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
1053 * include/std/bit (endian): Move definition here as per P1612R1.
1054 * include/std/type_traits (endian): Remove definition from here.
1055 * testsuite/20_util/endian/1.cc: Rename to ...
1056 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
1058 2019-07-25 Martin Liska <mliska@suse.cz>
1059 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
1062 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
1063 -fno-allocation-dce.
1064 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
1065 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
1066 * testsuite/ext/new_allocator/check_new.cc: Likewise.
1068 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
1070 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
1071 * testsuite/26_numerics/bit/bit.count/*: Here.
1073 * include/std/bit (__rotl, __rotr): Change second parameter from
1074 unsigned int to int and handle negative values.
1075 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
1076 parameter from unsigned int to int. Add nodiscard attribute.
1077 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
1078 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
1080 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
1081 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
1084 * include/std/bit (__ceil2): Make unrepresentable results undefined,
1085 as per P1355R2. Add debug assertion. Perform one left shift, not two,
1086 so that out of range values cause undefined behaviour. Ensure that
1087 shift will still be undefined if left operand is promoted.
1088 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
1089 unrepresentable values with checks that they are not core constant
1091 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
1093 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
1095 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
1096 sized deallocation size computation.
1098 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
1100 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
1102 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
1104 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
1105 (~_Temporary_buffer()): Use latter.
1106 (_Temporary_buffer(_FIterator, size_type)): Likewise.
1108 2019-07-17 Andreas Schwab <schwab@suse.de>
1110 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1112 2019-07-16 Jason Merrill <jason@redhat.com>
1114 * include/std/memory (uses_allocator_construction_args): Add parens
1117 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
1119 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
1121 * include/experimental/string_view (__detail::__idt): Remove.
1122 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1123 Use __type_identity_t instead of __detail::__idt;
1124 * include/std/string_view (__detail::__idt): Remove.
1125 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1126 Use __type_identity_t instead of __detail::__idt;
1127 * include/std/type_traits (__type_identity_t): New alias template.
1129 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
1130 and floating point atomics.
1132 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
1134 * doc/xml/manual/configure.xml: Improve documentation of
1135 --enable-libstdcxx-time option.
1137 * include/bits/atomic_base.h (__atomic_impl): New namespace for
1138 wrappers around atomic built-ins.
1139 (__atomic_float, __atomic_ref): New class templates for use as base
1141 * include/std/atomic (atomic<float>, atomic<double>)
1142 (atomic<long double>): New explicit specializations.
1143 (atomic_ref): New class template.
1144 (__cpp_lib_atomic_ref): Define.
1145 * include/std/version (__cpp_lib_atomic_ref): Define.
1146 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
1147 * testsuite/29_atomics/atomic_float/1.cc: New test.
1148 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
1149 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
1150 * testsuite/29_atomics/atomic_ref/float.cc: New test.
1151 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
1152 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
1153 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
1154 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
1156 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
1158 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
1159 throw() with _GLIBCXX_NOTHROW.
1160 (__atomic_add_dispatch): Return after performing atomic increment.
1162 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
1164 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
1165 (__exchange_and_add): Replace static specifier with always_inline
1167 (__exchange_and_add_single, __atomic_add_single): Likewise.
1168 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
1169 combine !__gthread_active_p() and !__GTHREADS branches.
1171 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
1174 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
1175 * configure: Regenerate.
1176 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
1178 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
1179 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1181 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
1183 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
1184 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
1185 instead of __is_identifier to detect Clang support.
1187 2019-07-02 Jim Wilson <jimw@sifive.com>
1189 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
1191 * configure: Regenerate.
1193 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
1196 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
1197 for the what_arg parameters.
1198 (filesystem_error::filesystem_error): Pass system_error::what() to
1199 the _Impl constructor.
1200 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
1201 filesystem_error::what() contains system_error::what().
1203 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
1205 * include/std/charconv (chars_format): Define bitmask type.
1206 * testsuite/20_util/to_chars/chars_format.cc: New test.
1208 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
1209 * include/std/bit (_If_is_unsigned_integer_type): Remove.
1210 (_If_is_unsigned_integer): Use __is_unsigned_integer.
1211 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
1212 (countl_one(byte), countr_zero(byte), countr_one(byte))
1213 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
1214 (log2p1(byte)): Remove.
1215 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
1216 (__detail::__is_int_to_chars_type): Remove.
1217 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
1218 and __is_unsigned_integer.
1219 * include/std/type_traits (__is_one_of): Move here from <charconv>.
1220 (__is_signed_integer, __is_unsigned_integer): New helpers.
1221 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
1223 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
1224 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
1225 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
1226 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
1227 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1228 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1229 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1230 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1231 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
1232 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
1234 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
1236 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
1239 2019-06-25 Jakub Jelinek <jakub@redhat.com>
1241 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1242 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1243 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1244 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1246 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
1248 * include/std/numeric (midpoint(T, T)): Change implementation for
1249 floating-point types to avoid incorrect rounding of denormals.
1250 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
1251 rounding with denormals.
1252 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
1253 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1255 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
1257 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
1259 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
1261 * configure: Regenerate.
1263 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
1264 Qualify calls to __never_valueless.
1266 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
1267 C++17 working draft.
1269 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
1270 vector<bool> for test.
1271 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1273 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1275 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
1277 (istream_iterator::_M_read()): Do not check stream state before
1278 attempting extraction. Set stream pointer to null when extraction
1280 (operator==(const istream_iterator&, const istream_iterator&)): Change
1281 to be a hidden friend of istream_iterator.
1282 (operator!=(const istream_iterator&, const istream_iterator&)):
1284 (ostream_iterator::ostream_iterator()): Add default constructor.
1285 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
1287 * testsuite/24_iterators/istream_iterator/1.cc: New test.
1288 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
1289 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
1290 constructor taking a string.
1291 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
1294 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
1295 Jonathan Wakely <jwakely@redhat.com>
1298 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
1299 values of type bool for vector<bool> elements.
1300 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
1301 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1303 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1305 PR libstdc++/90920 partially revert r263433
1306 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
1307 (rotate): Remove checks.
1308 * testsuite/25_algorithms/rotate/90920.cc: New test.
1310 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
1311 category used in invocable check.
1312 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
1313 * testsuite/26_numerics/reduce/2.cc: New test.
1315 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
1317 * include/bits/algorithmfwd.h: Change title of doc group.
1318 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
1320 * include/bits/stl_numeric.h: Define doc group and add algos to it.
1321 * include/std/numeric (__is_random_access_iter): New internal trait.
1322 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
1323 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
1324 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
1325 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
1326 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
1327 * testsuite/26_numerics/reduce/1.cc: New test.
1328 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
1329 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
1330 * testsuite/26_numerics/transform_reduce/1.cc: New test.
1331 * testsuite/util/testsuite_iterators.h (test_container::size()): New
1334 * include/c_global/cstddef (std::byte): Perform arithmetic operations
1335 in unsigned int to avoid promotion (LWG 2950).
1337 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1339 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
1342 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
1344 PR libstdc++/90281 Fix string conversions for filesystem::path
1345 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1346 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
1347 __str_codecvt_in_all to fail for partial conversions and throw on
1349 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
1350 (path::_Cvt<char8_t>): Add explicit specialization.
1351 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
1353 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1354 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
1355 instead of codecvt_utf8. Use __str_codecvt_in_all and
1356 __str_codecvt_out_all.
1357 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1358 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1359 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1360 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1361 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
1362 after converting to UTF-8.
1363 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
1364 __str_codecvt_in_all.
1365 (path::string): Fix initialization of string types with different
1367 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1368 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1369 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
1371 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
1372 return false for partial conversions.
1373 * include/experimental/bits/fs_path.h (u8path):
1374 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
1375 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
1376 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
1377 instead of codecvt_utf8. Use __str_codecvt_in_all and
1378 __str_codecvt_out_all.
1379 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1380 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1381 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1382 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1383 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
1384 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1385 __str_codecvt_in_all.
1386 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1387 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1388 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
1389 __str_codecvt_in_all.
1390 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
1391 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
1392 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
1393 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
1394 strings and with Unicode characters outside the basic multilingual
1396 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
1397 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
1398 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
1399 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
1400 * testsuite/experimental/filesystem/path/native/string.cc: Test with
1401 empty strings and with Unicode characters outside the basic
1404 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
1405 Jonathan Wakely <jwakely@redhat.com>
1407 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
1408 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
1409 deallocate node if insertion fails.
1410 (_Hashtable::_M_insert_multi_node): Likewise.
1411 (_Hashtable::_M_reinsert_node): Pass additional key argument.
1412 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
1413 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
1414 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
1415 (_Hashtable::extract(const _Key&)): Likewise.
1416 (_Hashtable::_M_merge_unique): Pass additional key argument.
1417 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
1419 (_Hashtable::_M_insert): Likewise.
1420 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
1421 (_Hashtable_alloc): Add comments to functions with misleading names.
1423 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1425 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
1427 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
1428 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
1429 header for std::allocator.
1430 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
1431 using-declaration for std::size_t.
1432 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
1434 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
1436 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
1437 * testsuite/experimental/map/erasure.cc: Include <string> for
1439 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
1441 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
1443 * include/experimental/type_traits (experimental::nonesuch): Use
1444 pragma to disable -Wctor-dtor-privacy warnings.
1445 * include/std/type_traits (__is_convertible_helper<From, To, false>)
1446 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
1448 * include/std/version (__cpp_lib_bind_front): Add missing macro.
1450 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
1452 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
1453 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
1454 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
1455 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
1457 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
1458 (variant::emplace): Change static_assert messages from "should be"
1460 (hash<monostate>::operator()): Remove name of unused parameter.
1462 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
1465 * include/Makefile.am: Add new <bits/charconv.h> header.
1466 * include/Makefile.in: Regenerate.
1467 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
1468 (to_string(long), to_string(unsigned long), to_string(long long))
1469 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
1470 * include/bits/charconv.h: New header.
1471 (__detail::__to_chars_len): Move here from <charconv>.
1472 (__detail::__to_chars_10_impl): New function extracted from
1473 __detail::__to_chars_10.
1474 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
1475 (__to_chars_unsigned_type): New class template that reuses
1476 __make_unsigned_selector_base::__select to pick a type.
1477 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
1478 (__detail::__to_chars_len): Move to new header.
1479 (__detail::__to_chars_10): Add inline specifier. Move code doing the
1480 output to __detail::__to_chars_10_impl and call that.
1481 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
1482 * testsuite/21_strings/basic_string/numeric_conversions/char/
1483 to_string.cc: Fix reference in comment. Remove unused variable.
1484 * testsuite/21_strings/basic_string/numeric_conversions/char/
1485 to_string_int.cc: New test.
1487 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1489 Fix ConstexprIterator requirements tests - No constexpr algorithms!
1490 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1491 Replace copy with hand-rolled loop.
1492 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1495 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
1497 Test for C++20 p0858 - ConstexprIterator requirements.
1498 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1500 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1503 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
1505 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
1507 * include/bits/c++config: Rename all macros of the form __PSTL* to
1509 * include/std/algorithm: Likewise.
1510 * include/std/execution: Likewise.
1511 * include/std/numeric: Likewise.
1512 * include/std/memory: Likewise.
1513 * include/pstl/glue_memory_impl.h: Likewise.
1514 * include/pstl/numeric_impl.h: Likewise.
1515 * include/pstl/glue_memory_defs.h: Likewise.
1516 * include/pstl/execution_defs.h: Likewise.
1517 * include/pstl/utils.h: Likewise.
1518 * include/pstl/algorithm_fwd.h: Likewise.
1519 * include/pstl/unseq_backend_simd.h: Likewise.
1520 * include/pstl/glue_execution_defs.h: Likewise.
1521 * include/pstl/algorithm_impl.h: Likewise.
1522 * include/pstl/parallel_impl.h: Likewise.
1523 * include/pstl/memory_impl.h: Likewise.
1524 * include/pstl/glue_numeric_defs.h: Likewise.
1525 * include/pstl/parallel_backend_utils.h: Likewise.
1526 * include/pstl/glue_algorithm_defs.h: Likewise.
1527 * include/pstl/parallel_backend.h: Likewise.
1528 * include/pstl/glue_numeric_impl.h: Likewise.
1529 * include/pstl/parallel_backend_tbb.h: Likewise.
1530 * include/pstl/numeric_fwd.h: Likewise.
1531 * include/pstl/glue_algorithm_impl.h: Likewise.
1532 * include/pstl/execution_impl.h: Likewise.
1533 * include/pstl/pstl_config.h: Likewise.
1534 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1535 * testsuite/util/pstl/test_utils.h: Likewise.
1536 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1538 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1540 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1542 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
1543 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
1544 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
1545 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
1546 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1548 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
1549 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
1550 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
1551 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
1552 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1554 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
1555 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
1556 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
1557 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
1558 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1560 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
1561 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
1562 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1564 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1566 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
1567 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1568 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1570 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1572 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
1574 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
1576 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
1578 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
1580 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
1582 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
1584 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
1586 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
1588 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
1590 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
1592 Rename header guards to be consistent with upstream project's
1594 * include/pstl/glue_memory_impl.h: Rename all macros of the form
1595 _PSTL_(.*)_H to _PSTL_\U\1_H.
1596 * include/pstl/numeric_impl.h: Likewise.
1597 * include/pstl/glue_memory_defs.h: Likewise.
1598 * include/pstl/execution_defs.h: Likewise.
1599 * include/pstl/utils.h: Likewise.
1600 * include/pstl/algorithm_fwd.h: Likewise.
1601 * include/pstl/unseq_backend_simd.h: Likewise.
1602 * include/pstl/glue_execution_defs.h: Likewise.
1603 * include/pstl/algorithm_impl.h: Likewise.
1604 * include/pstl/parallel_impl.h: Likewise.
1605 * include/pstl/memory_impl.h: Likewise.
1606 * include/pstl/glue_numeric_defs.h: Likewise.
1607 * include/pstl/parallel_backend_utils.h: Likewise.
1608 * include/pstl/glue_algorithm_defs.h: Likewise.
1609 * include/pstl/parallel_backend.h: Likewise.
1610 * include/pstl/glue_numeric_impl.h: Likewise.
1611 * include/pstl/parallel_backend_tbb.h: Likewise.
1612 * include/pstl/numeric_fwd.h: Likewise.
1613 * include/pstl/glue_algorithm_impl.h: Likewise.
1614 * include/pstl/execution_impl.h: Likewise.
1615 * include/pstl/pstl_config.h: Likewise.
1616 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1618 Synchronize libstdc++ parallel algorithms with upstream
1620 * include/pstl/algorithm_fwd.h: Synchronize with
1621 upstream PSTL project.
1622 * include/pstl/algorithm_impl.h: Likewise.
1623 * include/pstl/execution_defs.h: Likewise.
1624 * include/pstl/execution_impl.h: Likewise.
1625 * include/pstl/glue_algorithm_impl.h: Likewise.
1626 * include/pstl/glue_execution_defs.h: Likewise.
1627 * include/pstl/numeric_fwd.h: Likewise.
1628 * include/pstl/numeric_impl.h: Likewise.
1629 * include/pstl/parallel_backend.h: Likewise.
1630 * include/pstl/pstl_config.h: Likewise.
1631 * include/pstl/unseq_backend_simd.h: Likewise.
1632 * include/pstl/parallel_backend_serial.h: New file.
1633 * include/Makefile.am (pstl_headers): Add
1634 parallel_backend_serial.h.
1635 * include/Makefile.in: Regenerate.
1637 Clean up non-conforming names
1638 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
1639 Uglfiy copy_range1 and copy_range2
1640 (__pattern_walk2_n): Rename local n to __n
1641 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
1642 Rename parameter _T to _Tp.
1644 Integrate non-TBB serial backend support
1645 * include/bits/c++config: Adjust TBB detection logic to select serial
1646 PSTL backend if no TBB present.
1647 * testsuite/utils/pstl/test_utils.h: Remove check for
1648 _PSTL_USE_PAR_POLICIES
1650 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
1652 * testsuite/24_iterators/container_access.cc: Move dg-options before
1653 dg-do directive so the target check uses the -std option.
1656 * configure: Regenerate.
1657 * src/Makefile.am (stamp-debug): Also test for missing makefile.
1658 * src/Makefile.in: Regenerate.
1660 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
1662 * include/std/array: Do not include <stdexcept>.
1663 * include/std/optional: Include <exception> and
1664 <bits/exception_defines.h> instead of <stdexcept>.
1665 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
1667 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
1669 * testsuite/23_containers/map/erasure.cc: Include <string>.
1670 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
1672 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
1673 dg-prune-output for different C++98 diagnostic.
1674 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
1676 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
1678 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
1680 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
1682 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
1684 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
1686 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
1688 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
1690 * testsuite/23_containers/vector/requirements/dr438/
1691 constructor_1_neg.cc: Likewise.
1692 * testsuite/23_containers/vector/requirements/dr438/
1693 constructor_2_neg.cc: Likewise.
1694 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
1696 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
1698 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
1699 Do not test allocator rebinding extension for C++2a.
1700 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
1701 dg-do directive for C++17 and C++2a.
1703 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1704 1_c++0x.cc: Remove redundant test.
1705 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1706 2.cc: Use target selector instead of preprocessor condition.
1707 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1708 3.cc: Do not run test for C++2a.
1709 * testsuite/23_containers/forward_list/requirements/
1710 explicit_instantiation/3.cc: Likewise.
1711 * testsuite/23_containers/forward_list/requirements/
1712 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1714 * testsuite/23_containers/list/requirements/explicit_instantiation/
1715 1_c++0x.cc: Remove redundant test.
1716 * testsuite/23_containers/list/requirements/explicit_instantiation/
1717 2.cc: Use target selector instead of preprocessor condition.
1718 * testsuite/23_containers/list/requirements/explicit_instantiation/
1719 3.cc: Do not run test for C++2a.
1720 * testsuite/23_containers/list/requirements/explicit_instantiation/
1721 5.cc: Do not test allocator rebinding extension for C++2a.
1722 * testsuite/23_containers/map/requirements/explicit_instantiation/
1723 1_c++0x.cc: Remove redundant test.
1724 * testsuite/23_containers/map/requirements/explicit_instantiation/
1725 2.cc: Adjust comment.
1726 * testsuite/23_containers/map/requirements/explicit_instantiation/
1727 3.cc: Do not run test for C++2a.
1728 * testsuite/23_containers/map/requirements/explicit_instantiation/
1729 5.cc: Do not test allocator rebinding extension for C++2a.
1730 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1731 1_c++0x.cc: Remove redundant test.
1732 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1733 3.cc: Do not run test for C++2a.
1734 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1735 5.cc: Do not test allocator rebinding extension for C++2a.
1736 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1737 3.cc: Do not run test for C++2a.
1738 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1739 5.cc: Do not test allocator rebinding extension for C++2a.
1740 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
1741 Do not run test for C++2a.
1742 * testsuite/23_containers/set/requirements/explicit_instantiation/
1743 1_c++0x.cc: Remove redundant test.
1744 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
1745 Do not test allocator rebinding extension for C++2a.
1746 * testsuite/23_containers/unordered_map/requirements/
1747 explicit_instantiation/3.cc: Likewise.
1748 * testsuite/23_containers/unordered_map/requirements/
1749 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1751 * testsuite/23_containers/unordered_multimap/requirements/
1752 explicit_instantiation/3.cc: Do not run test for C++2a.
1753 * testsuite/23_containers/unordered_multimap/requirements/
1754 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1756 * testsuite/23_containers/unordered_multiset/requirements/
1757 explicit_instantiation/3.cc: Do not run test for C++2a.
1758 * testsuite/23_containers/unordered_multiset/requirements/
1759 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1761 * testsuite/23_containers/unordered_set/requirements/
1762 explicit_instantiation/3.cc: Do not run test for C++2a.
1763 * testsuite/23_containers/unordered_set/requirements/
1764 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1766 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1767 2.cc: Remove redundant test.
1768 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1769 3.cc: Do not run test for C++2a.
1770 * testsuite/23_containers/vector/requirements/explicit_instantiation/
1773 * include/std/type_traits (is_empty, is_polymorphic, is_final)
1774 (is_abstract, is_aggregate): Remove static_assert.
1775 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
1777 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
1778 missing -std=gnu++17 option.
1779 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
1780 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
1781 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
1784 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
1785 * testsuite/18_support/set_unexpected.cc: Likewise.
1786 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
1788 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
1789 function to be valid in C++11.
1790 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
1791 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
1792 include Library Fundamentals or Networking headers in C++11 mode.
1793 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
1795 * include/std/tuple (_TC): Replace with _TupleConstraints.
1796 (_TupleConstraints): New helper for SFINAE constraints, with more
1797 expressive member functions to reduce duplication when used.
1798 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
1799 (tuple::_TCC): Replace dummy type parameter with bool non-type
1800 parameter that can be used to check the pack size.
1801 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
1802 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
1803 checking constraints in constructors.
1804 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
1806 (tuple::tuple): Use new helpers to reduce repitition in constraints.
1807 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
1808 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
1809 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
1810 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
1811 constraints in constructors.
1812 (tuple::__is_alloc_arg()): New SFINAE helpers.
1813 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
1815 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
1816 * testsuite/20_util/tuple/cons/90700.cc: New test.
1817 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
1818 to meet new constraint on allocator-extended default constructor.
1820 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1822 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
1823 * include/bits/stl_multimap.h (multimap): Likewise.
1825 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
1827 Rename variables and cleanup comments.
1828 * include/bits/hashtable_policy.h
1829 * include/bits/hashtable.h
1831 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1833 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
1834 Fix bgcolor for P0340R3.
1835 * doc/html/*: Regenerate.
1838 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
1839 <experimental/memory_resource>.
1840 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
1841 P0339R6, P0340R3, P1164R1 and P1357R1.
1842 * doc/html/*: Regenerate.
1844 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
1845 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
1846 allocator::value_type assertion for C++2a.
1847 * include/bits/hashtable.h: Likewise.
1848 * include/bits/stl_deque.h: Likewise.
1849 * include/bits/stl_list.h: Likewise.
1850 * include/bits/stl_map.h: Likewise.
1851 * include/bits/stl_multimap.h: Likewise.
1852 * include/bits/stl_multiset.h: Likewise.
1853 * include/bits/stl_set.h: Likewise.
1854 * include/bits/stl_vector.h: Likewise.
1855 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
1856 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
1857 * testsuite/23_containers/list/48101-3_neg.cc: New test.
1858 * testsuite/23_containers/map/48101-3_neg.cc: New test.
1859 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
1860 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
1861 * testsuite/23_containers/set/48101-3_neg.cc: New test.
1862 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
1863 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
1864 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
1865 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
1866 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
1868 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
1870 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
1872 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1874 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
1876 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
1878 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
1880 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1882 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
1885 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
1886 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
1887 * libsupc++/eh_term_handler.h: New header defining
1888 _GLIBCXX_DEFAULT_TERM_HANDLER.
1889 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
1890 (set_terminate): Restore default handler when argument is null.
1891 (set_unexpected): Likewise.
1892 * testsuite/18_support/set_terminate.cc: New test.
1893 * testsuite/18_support/set_unexpected.cc: New test.
1895 * include/backward/hashtable.h (size_t, ptrdiff_t)
1896 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
1897 (distance, vector, pair, __iterator_category): Remove
1898 using-declarations that add these names to namespace __gnu_cxx.
1899 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
1900 * include/ext/debug_allocator.h (size_t): Likewise.
1901 * include/ext/functional (size_t, unary_function, binary_function)
1902 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
1904 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
1905 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
1906 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
1907 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
1908 * include/ext/numeric (iota): Fix outdated comment.
1909 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
1910 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
1911 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
1912 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
1913 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
1915 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
1916 (allocator, __true_type, __false_type): Likewise.
1918 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
1921 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
1922 New helpers for checking preconditions in traits.
1923 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
1924 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
1925 (is_destructible, is_nothrow_destructible, is_constructible)
1926 (is_default_constructible, is_copy_constructible)
1927 (is_move_constructible, is_nothrow_default_constructible)
1928 (is_nothrow_constructible, is_nothrow_copy_constructible)
1929 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
1930 (is_nothrow_assignable, is_nothrow_copy_assignable)
1931 (is_nothrow_move_assignable, is_trivially_constructible)
1932 (is_trivially_copy_constructible, is_trivially_move_constructible)
1933 is_trivially_assignable, is_trivially_copy_assignable)
1934 (is_trivially_move_assignable, is_trivially_destructible)
1935 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
1936 (is_invocable_r, is_nothrow_invocable)
1937 (has_unique_object_representations, is_aggregate): Add static_asserts
1938 to make sure that type traits are not misused with incomplete types.
1939 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
1940 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
1941 base characteristics without assertions that can be reused in other
1943 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
1944 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
1946 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
1947 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
1948 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
1949 * testsuite/20_util/is_class/value.cc: Check incomplete type.
1950 * testsuite/20_util/is_function/value.cc: Likewise.
1951 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
1952 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
1954 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
1955 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
1956 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1957 * testsuite/20_util/is_union/value.cc: Likewise.
1958 * testsuite/20_util/is_void/value.cc: Likewise.
1959 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
1961 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1963 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
1964 Add new private member function.
1965 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
1966 (random_device::_M_init_pretr1(const string&)): Call new private
1967 member with string data.
1968 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
1970 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
1971 test using COW strings.
1972 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
1973 a value from the device.
1974 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
1975 Fix typo in token string.
1977 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
1979 LWG2788 basic_string spurious use of a default constructible allocator
1980 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
1981 (basic_string::_M_replace_dispatch): Construct temporary string with
1982 the current allocator.
1983 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
1984 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
1986 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
1988 * doc/xml/manual/diagnostics.xml: Update list of headers that define
1990 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
1991 section about new/delete overloads. Improve section on verbose
1993 * doc/html/*: Regenerate.
1995 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
1996 P0811R3. Change status of P1353R0.
1997 * doc/html/*: Regenerate.
1999 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
2000 documentation of implementation-defined types for [thread.req.native].
2001 * doc/xml/manual/status_cxx2017.xml: Update documentation of
2002 implementation-defined strings for [variant.bad.access]. Fix typo in
2003 documentation of implementation-defined support for [fs.conform.9945].
2004 * doc/html/*: Regenerate.
2006 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
2009 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
2010 that fails on mingw-w64.
2013 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
2014 (status(const path&, error_code&)): Use parent_path() to remove
2016 (symlink_status(const path&, error_code&)): Duplicate workaround for
2017 bug in _wstat for paths with trailing slash.
2018 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
2019 with trailing slash.
2020 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
2021 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2023 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
2024 once instead of building it iteratively.
2026 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
2028 PR libstdc++/85494 use rdseed and rand_s in std::random_device
2029 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
2030 the assembler supports rdseed.
2031 * config.h.in: Regenerate.
2032 * configure: Regenerate.
2033 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
2034 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
2035 * doc/html/*: Regenerate.
2036 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
2037 * include/bits/random.h (random_device::random_device()): Always call
2038 _M_init rather than _M_init_pretr1.
2039 (random_device::random_device(const string&)): Likewise.
2040 (random_device::operator()()): Always call _M_getval().
2041 (random_device::_M_file): Replace first member of union with an
2042 anonymous struct, with _M_file as its first member.
2043 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
2044 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
2045 (USE_MT19937): Define if none of the above are defined.
2046 (USE_POSIX_FILE_IO): Define.
2047 (_M_strtoul): Remove.
2048 [USE_RDSEED] (__x86_rdseed): Define new function.
2049 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
2050 (random_device::_M_init(const string&)): Initialize new union members.
2051 Add support for "rdseed" and "rand_s" tokens. Decide what the
2052 "default" token does according to which USE_* macros are defined.
2053 [USE_POSIX_FILE_IO]: Store a file descriptor.
2054 [USE_MT19937]: Forward to _M_init_pretr1 instead.
2055 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
2056 code from _M_strtoul.
2057 [!USE_MT19937]: Call _M_init, transforming the old default token or
2058 numeric tokens to "default".
2059 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
2060 (random_device::_M_getval()): Use new union members to obtain a
2061 random number from the stored function pointer or file descriptor.
2062 [USE_MT19937]: Obtain a value from the mt19937 engine.
2063 (random_device::_M_getval_pretr1()): Call _M_getval().
2064 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
2066 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
2067 * testsuite/26_numerics/random/random_device/85494.cc: New test.
2069 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
2072 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
2073 _M_split_cmpts() for a path with multiple components.
2074 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
2075 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
2076 components and reserve space in vector. Return early when there is
2078 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
2079 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
2081 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
2082 form of std::equals for C++11 compatibility.
2084 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
2086 * doc/xml/manual/appendix_contributing.xml: Update pointer to
2087 C++ standard at ansi.org.
2089 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
2091 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
2092 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
2095 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
2096 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
2098 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2100 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
2102 * testsuite/20_util/function_objects/invoke/3.cc: New test.
2103 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
2104 "compile" test to "run".
2106 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
2107 * doc/html/*: Regenerate.
2108 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
2109 rvalue aliasing constructor.
2110 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
2111 (reinterpret_pointer_cast): Add overloads taking rvalues.
2112 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
2113 Add rvalue aliasing constructor.
2114 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
2115 "run" and check return values as well as types.
2116 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
2117 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
2118 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
2119 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
2122 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
2123 * doc/xml/manual/intro.xml: Likewise.
2124 * include/std/future (__create_task_state): Add default arguments
2125 to make providing an allocator optional.
2126 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
2127 instead of delegating to another constructor.
2128 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
2129 define allocator-extended constructors for C++17 and later.
2130 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
2132 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2133 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2134 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2136 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
2138 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
2139 Don't run the libstdc++/83237 part on simulator targets.
2141 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2143 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
2145 * doc/html/*: Regenerate.
2147 * include/experimental/any (__any_caster): Use RTTI if comparing
2148 addresses fails, to support non-unique addresses in shared libraries.
2149 * include/std/any (__any_caster): Likewise.
2152 * include/experimental/any (__any_caster): Constrain to only be
2153 callable for object types. Use remove_cv_t instead of decay_t.
2154 If the type decays or isn't copy constructible, compare the manager
2155 function to a dummy specialization.
2156 (__any_caster): Add overload constrained for non-object types.
2157 (any::_Manager_internal<_Op>): Add dummy specialization.
2158 * testsuite/experimental/any/misc/any_cast.cc: Test function types
2161 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
2164 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
2165 reversed arguments to uninitialized_copy_n.
2166 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
2167 is unchanged by copy assignment.
2168 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
2169 compare path components.
2172 * include/experimental/memory_resource: Add system header pragma and
2173 do not define anything unless compiled as C++14 or later.
2174 (__resource_adaptor_common::__guaranteed_alignment): Remove.
2175 (__resource_adaptor_imp::do_allocate): If the requested alignment
2176 is a fundamental alignment then either allocate directly from _M_alloc
2177 or call the new _M_allocate function.
2178 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
2179 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
2180 of the allocator rebound to a POD type with the specified alignment.
2181 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
2182 * testsuite/experimental/memory_resource/new_delete_resource.cc:
2183 Adjust expected allocation sizes.
2184 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
2185 xfail for Solaris x86.
2187 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
2189 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
2190 * include/pstl/execution_defs.h (__enable_if_execution_policy):
2191 Use std::__remove_cvref_t when building with GCC.
2193 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
2196 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2197 Use "additional_flags" to pass -ltbb to v3_target_compile command.
2198 Use check_v3_target_prop_cached to cache the result of the test.
2200 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
2202 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2205 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2206 Changed v3_target_compile check from preprocess to executable.
2207 Added "-ltbb" to v3_target_compile flags.
2209 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2211 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2212 Add check for Thread Building Blocks 2018 or later.
2214 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2216 * testsuite/experimental/names.cc: Only include Networking TS headers
2217 on targets with the necessary Gthreads support.
2219 2019-05-20 Marek Polacek <polacek@redhat.com>
2221 CWG 2094 - volatile scalars are trivially copyable.
2223 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
2224 result for volatile int.
2226 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2228 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
2229 * testsuite/experimental/names.cc: Include <experimental/filesystem>
2232 PR c++/90532 Ensure __is_constructible(T[]) is false
2233 * include/std/type_traits (__do_is_default_constructible_impl)
2234 (__is_default_constructible_atom, __is_default_constructible_safe):
2236 (is_default_constructible): Use is_constructible.
2237 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
2238 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
2239 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
2240 * testsuite/20_util/is_trivially_default_constructible/value.cc:
2243 2019-05-20 Pádraig Brady <pbrady@fb.com>
2245 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
2246 to the deallocator with -fsized-deallocation.
2248 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2250 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
2251 test by passing correct alignment to deallocate function.
2253 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
2256 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2257 Raise exception if unique_ptr tuple member has unknown structure.
2258 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
2259 Adjust worker to support new __uniq_ptr_data base class. Do not
2260 assume field called _M_head_impl is the first tuple element.
2262 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2264 * include/bits/stl_deque.h
2265 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
2266 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
2267 (_Deque_base::_Deque_impl_data): New.
2268 (_Deque_base::_Deque_impl): Inherit latter.
2269 (_Deque_base::_Deque_impl::_M_swap_data): Move...
2270 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
2271 (_Deque_base::_Deque_impl()): Add noexcept qualification.
2272 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
2273 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
2274 (deque<>::deque()): Default.
2275 (deque<>::deque(deque&&)): Default.
2276 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
2277 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
2278 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
2279 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
2280 _M_range_initialize.
2281 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
2282 (deque<>::resize(size_type, const value_type&)): Share a single
2284 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
2285 _M_range_insert_aux.
2286 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
2287 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
2288 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
2289 * testsuite/23_containers/deque/allocator/default_init.cc: New.
2291 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
2294 * include/std/variant (holds_alternative, get, get_if): Improve
2295 static assertion messages.
2296 (bad_variant_access::bad_variant_access()): Change default message.
2297 (__throw_bad_variant_access(bool)): New overload.
2298 (get): Use new overload.
2299 (visit, visit<R>): Improve exception message.
2301 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
2302 targets. Add more cases from P0608R3.
2303 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
2305 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
2306 * include/experimental/type_traits (is_detected_exact)
2307 (is_detected_exact_v): Likewise.
2308 * include/pstl/execution_defs.h (is_execution_policy)
2309 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
2310 * include/pstl/execution_impl.h (__policy_traits): Likewise.
2311 * testsuite/17_intro/names.cc: Check for more non-reserved names.
2312 * testsuite/experimental/names.cc: New test.
2315 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
2316 assertions from the destructor.
2317 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
2318 Move static_assert for hash function to here.
2319 (_Hash_table_base::_M_equals): Move static_assert for equality
2321 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
2323 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
2324 the value directly instead of calling _S_value.
2325 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
2326 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
2327 _S_key(_Const_Link_type).
2328 * testsuite/23_containers/set/85965.cc: Check construction,
2329 destruction, assignment and size() do not trigger the assertions.
2330 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
2331 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
2333 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2334 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
2335 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2336 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2337 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2338 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2339 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2341 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
2342 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
2345 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
2347 * doc/html/*: Regenerate.
2348 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
2349 of decay_t (P0777R1).
2351 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2353 Move from state of allocators (LWG2593)
2354 * include/bits/stl_deque.h
2355 (_Deque_base(_Deque_base&&, false_type)): Remove.
2356 (_Deque_base(_Deque_base&&, true_type)): Remove.
2357 (_Deque_base(_Deque_base&&)): Adapt.
2358 (_Deque_base::_M_move_impl()): Remove.
2359 * testsuite/util/testsuite_allocator.h
2360 (propagating_allocator(propagating_allocator&&)): Preserve move from
2362 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
2364 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
2366 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
2367 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
2368 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
2370 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
2372 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
2373 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
2375 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
2377 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
2379 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
2381 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
2383 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
2385 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
2387 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
2390 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
2392 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
2393 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
2395 * include/std/variant (__overload_set): Remove.
2397 (_Build_FUN): New class template to define a single FUN overload,
2398 with specializations to prevent unwanted conversions, as per P0608R3.
2399 (_Build_FUNs): New class template to build an overload set of FUN.
2400 (_FUN_type): New alias template to perform overload resolution.
2401 (__accepted_type): Use integer_constant base for failure case. Use
2402 _FUN_type for successful case.
2403 (variant::__accepted_index): Use _Tp instead of _Tp&&.
2404 (variant::variant(_Tp&&)): Likewise.
2405 (variant::operator=(_Tp&&)): Likewise.
2407 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
2408 Replace raw visitation with a runtime check for the valueless state
2409 and a non-raw visitor.
2410 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
2411 (variant::index()): Remove branch.
2412 (variant::swap(variant&)): Use valueless_by_exception() instead of
2413 comparing the index to variant_npos, and add likelihood attribute.
2415 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
2416 (_Hashtable_base::_Equal_hash_code): Define new class template.
2417 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
2420 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
2421 Replace with _M_get non-static member function.
2422 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
2424 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
2425 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
2427 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
2428 _S_get accessors for members in EBO helpers.
2429 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
2430 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
2432 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
2434 (_Hashtable_base::_M_eq()): Remove non-const overload.
2436 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
2438 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
2440 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2442 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
2445 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2447 * config/os/solaris/solaris2.10: Move to ...
2448 * config/os/solaris: ... this.
2449 * configure.host (os_include_dir): Adapt.
2450 (abi_baseline_pair): Remove Solaris 10 handling.
2451 * config/abi/post/i386-solaris2.10: Remove.
2452 * config/abi/post/sparc-solaris2.10: Remove.
2453 * config/abi/post/i386-solaris2.11: Rename to ...
2454 * config/abi/post/i386-solaris: ... this.
2455 * config/abi/post/sparc-solaris2.11: Rename to ...
2456 * config/abi/post/sparc-solaris: ... this.
2458 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
2461 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
2464 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2466 * include/std/variant (__visit_with_index): Remove typedef.
2467 (__deduce_visit_result): New tag type.
2468 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
2469 visitation of possibly-valueless variants, forwarding to __do_visit
2470 with the relevant tag type.
2471 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
2472 and make lambda return void.
2473 (__variant_construct): Likewise.
2474 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
2475 __raw_idx_visit and make lambda return void.
2476 (_Multi_array::__untag_result): Add metafunction to check the function
2477 pointer type for a tag type that dictates the kind of visitation.
2478 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
2479 Use decltype(auto) instead of tagged function pointer type.
2480 (__gen_vtable_impl): Remove bool non-type parameter and unused
2481 _Variant_tuple parameter.
2482 (__gen_vtable_impl::__visit_invoke_impl): Remove.
2483 (__gen_vtable_impl::__do_visit_invoke): Remove.
2484 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
2485 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
2486 for the visit<R> case, rather than dispatching to separate functions.
2487 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
2489 (variant::swap): Likewise.
2490 (__do_visit): Replace two non-type template parameters with a single
2491 type parameter, so that the caller must specify the visitor's return
2492 type (or one of the tag types).
2493 (visit): Deduce a return type from the visitor and use the
2494 __deduce_visit_result tag to enforce that all overloads return the
2496 (visit<R>): Call __do_visit<R> with explicit result type.
2497 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
2500 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2502 nonesuch is insufficiently useless (lwg2996)
2503 * include/std/type_traits (struct __nonesuch): Added private base
2504 class to make __nonesuch not an aggregate and removed deleted default
2506 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
2507 (operator=(const pair&)): Use __nonesuch instead of
2508 __nonesuch_no_braces.
2509 (operator=(pair&&)): Likewise
2510 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
2511 of __nonesuch_no_braces.
2512 (operator=(tuple&&)): Likewise
2513 * include/experimental/type_traits (struct nonesuch): Added private
2514 base class to make nonesuch not an aggregate and removed deleted
2515 default constructor.
2516 * testsuite/20_util/nonesuch/nonesuch.cc: New.
2517 * testsuite/experimental/type_traits/nonesuch.cc: New.
2519 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2521 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
2522 (_Function_handler): Remove partial specializations for void return
2523 types and pointers to member.
2524 (_Function_handler::_M_manager): Adapt to removal of
2525 _Simple_type_wrapper.
2526 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
2527 * include/std/functional (_Bind_result::__enable_if_void)
2528 (_Bind_result::__disable_if_void): Remove sfinae helpers.
2529 (_Bind_result::__call): Use __invoke_r and remove overloads for void
2531 * include/std/future (__future_base::_Task_state::_M_run)
2532 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
2533 change return type of lambda expressions.
2535 * include/bits/invoke.h (__invoke_r): Define new function implementing
2536 the INVOKE<R> pseudo-function.
2537 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
2538 * testsuite/20_util/function_objects/invoke/2.cc: New test.
2540 * include/std/type_traits (__is_nt_convertible_helper): Define it
2541 unconditionally, not only for C++20.
2542 (__is_nothrow_convertible): Define internal trait for use in C++11.
2543 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
2544 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
2545 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
2546 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
2547 that has nothrow explicit conversion but potentially-throwing implicit
2549 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
2550 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
2551 function to only consider implicit conversions.
2552 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
2554 * include/std/iterator: Include <iosfwd> instead of <istream> and
2557 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
2558 Remove unused, non-standard function.
2560 * include/bits/regex.h (match_results::max_size()): Adjust return
2561 value to account for prefix/suffix/unmatched subs.
2562 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
2563 reset the contained sub matches.
2564 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
2565 function to set result state following a failed match.
2566 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
2567 sub_match states after _M_resize. Use _M_establish_failed_match.
2570 * include/std/thread (thread::_State_impl, thread::_S_make_state):
2571 Replace single _Callable parameter with variadic _Args pack, to
2572 forward them directly to the tuple of decayed copies.
2573 * testsuite/30_threads/thread/cons/69724.cc: New test.
2575 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2577 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
2578 * include/bits/basic_string.h: (operator=(const basic_string&):
2579 Move allocator decision to assign.
2580 (assign(const basic_string&)): Move allocator decision here.
2581 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
2583 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
2586 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2588 * testsuite/util/testsuite_allocator.h (memory_resource)
2589 (default_resource_mgr): Fix indentation.
2591 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
2592 Use operator-> to access raw pointer member.
2593 * testsuite/23_containers/vector/59829.cc: Likewise.
2594 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
2595 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
2596 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
2598 (PointerBase, PointerBase_void): Derive from NullablePointer and use
2599 its constructors and equality operators. Change converting
2600 constructors to use operator-> to access private member of the other
2602 (PointerBase_void::operator->()): Add, for access to private member.
2603 (operator-(PointerBase, PointerBase)): Change to hidden friend.
2604 (operator==(PointerBase, PointerBase)): Remove.
2605 (operator!=(PointerBase, PointerBase)): Remove.
2607 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
2608 not assume field called _M_head_impl is the first tuple element.
2609 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
2610 implementation more accurate.
2611 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
2612 empty pointer type and non-empty deleter.
2614 LWG 2899 - Make is_move_constructible correct for unique_ptr
2615 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
2616 move assignment operator.
2617 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
2618 (__uniq_ptr_data): New class template with conditionally deleted
2620 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
2621 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
2622 constructor and move assignment operator as defaulted.
2623 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
2624 __uniq_ptr_impl::release().
2625 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
2626 to __uniq_ptr_impl::reset(pointer).
2627 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2628 Check for new __uniq_ptr_data type.
2629 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
2631 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2633 PR libstdc++/90454.cc path construction from void*
2634 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
2635 pointers to void are rejected as well as void.
2636 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
2637 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
2639 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
2641 * doc/xml/manual/policy_data_structures.xml: Comment out stray
2642 <remark> elements. Fix formatting of bibliography references.
2644 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
2646 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
2648 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2650 Remove Profile Mode, deprecated since 7.1.0
2651 * doc/Makefile.am: Remove XML file for profile mode docs.
2652 * doc/Makefile.in: Regenerate.
2653 * doc/xml/authors.xml: Remove authors of profile mode docs.
2654 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
2656 * doc/xml/manual/debug.xml: Likewise.
2657 * doc/xml/manual/evolution.xml: Document removal of profile mode.
2658 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
2659 * doc/xml/manual/spine.xml: Remove profile mode author credit.
2660 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
2662 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
2664 * doc/html/*: Regenerate.
2665 * include/Makefile.am: Remove profile mode headers.
2666 * include/Makefile.in: Regenerate.
2667 * include/bits/c++config (std::__profile): Remove namespace.
2668 [_GLIBCXX_PROFILE]: Remove checks for macro.
2669 * include/profile/array: Remove.
2670 * include/profile/base.h: Remove.
2671 * include/profile/bitset: Remove.
2672 * include/profile/deque: Remove.
2673 * include/profile/forward_list: Remove.
2674 * include/profile/impl/profiler.h: Remove.
2675 * include/profile/impl/profiler_algos.h: Remove.
2676 * include/profile/impl/profiler_container_size.h: Remove.
2677 * include/profile/impl/profiler_hash_func.h: Remove.
2678 * include/profile/impl/profiler_hashtable_size.h: Remove.
2679 * include/profile/impl/profiler_list_to_slist.h: Remove.
2680 * include/profile/impl/profiler_list_to_vector.h: Remove.
2681 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
2682 * include/profile/impl/profiler_node.h: Remove.
2683 * include/profile/impl/profiler_state.h: Remove.
2684 * include/profile/impl/profiler_trace.h: Remove.
2685 * include/profile/impl/profiler_vector_size.h: Remove.
2686 * include/profile/impl/profiler_vector_to_list.h: Remove.
2687 * include/profile/iterator_tracker.h: Remove.
2688 * include/profile/list: Remove.
2689 * include/profile/map: Remove.
2690 * include/profile/map.h: Remove.
2691 * include/profile/multimap.h: Remove.
2692 * include/profile/multiset.h: Remove.
2693 * include/profile/ordered_base.h: Remove.
2694 * include/profile/set: Remove.
2695 * include/profile/set.h: Remove.
2696 * include/profile/unordered_base.h: Remove.
2697 * include/profile/unordered_map: Remove.
2698 * include/profile/unordered_set: Remove.
2699 * include/profile/vector: Remove.
2700 * scripts/run_doxygen: Do not process profile mode headers.
2701 * testsuite/23_containers/array/element_access/60497.cc: Don't use
2703 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
2704 Remove dg-skip-if for profile mode.
2705 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
2706 preprocessor check for profile mode.
2707 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
2708 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
2710 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
2712 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
2713 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
2714 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
2715 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
2716 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
2718 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
2720 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
2722 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
2724 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
2725 preprocessor check for profile mode.
2726 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
2728 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
2729 Remove dg-skip-if for profile mode.
2730 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
2731 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
2732 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
2733 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
2734 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
2735 * testsuite/Makefile.am: Remove profile_flags variable and
2736 * testsuite/Makefile.am: Remove profile_flags variable and
2737 check-profile target.
2738 * testsuite/Makefile.in: Regenerate.
2739 * testsuite/ext/profile/all.cc: Remove.
2740 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
2741 * testsuite/ext/profile/profiler_algos.cc: Remove.
2742 * testsuite/ext/profile/replace_new.cc: Remove.
2743 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
2744 preprocessor check for profile mode.
2745 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2746 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
2747 (check_v3_target_normal_mode): Do not check for profile mode macro.
2748 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
2750 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
2751 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
2752 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2753 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
2754 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
2755 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2756 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
2757 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2758 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2759 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
2761 Remove array_allocator extension, deprecated since 4.9.0
2762 * doc/xml/manual/allocator.xml: Remove documentation for
2764 * doc/xml/manual/evolution.xml: Document array_allocator removal.
2765 * doc/xml/manual/using.xml: Remove header from documentation.
2766 * include/Makefile.am: Remove <ext/array_allocator.h> header.
2767 * include/Makefile.in: Regenerate.
2768 * include/ext/array_allocator.h: Remove.
2769 * include/precompiled/extc++.h: Do not include removed header.
2770 * testsuite/ext/array_allocator/1.cc: Remove.
2771 * testsuite/ext/array_allocator/2.cc: Remove.
2772 * testsuite/ext/array_allocator/26875.cc: Remove.
2773 * testsuite/ext/array_allocator/3.cc: Remove.
2774 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
2775 * testsuite/ext/array_allocator/check_delete.cc: Remove.
2776 * testsuite/ext/array_allocator/check_new.cc: Remove.
2777 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
2778 * testsuite/ext/headers.cc: Do not include removed header.
2780 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
2782 * include/bits/stl_bvector.h
2783 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2785 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2787 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2789 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2791 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2793 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2795 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2797 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
2799 (_Bit_iterator::operator-(difference_type)): Likewise.
2800 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
2801 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
2803 (_Bit_const_iterator::operator-(difference_type)): Likewise.
2804 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
2806 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
2809 * testsuite/util/thread/all.h: Do not use remove_pointer for
2810 std::thread::native_handle_type.
2813 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
2814 (_Variant_storage<true, Types...>::_M_reset()))
2815 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
2816 (__get_storage): Likewise.
2817 (variant): Add noexcept to friend declarations for __get and
2821 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
2822 Use _Require for constraints.
2823 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
2825 (__uniq_ptr_hash): New base class with conditionally-disabled call
2827 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
2828 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
2829 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
2831 * include/bits/shared_ptr.h: Improve docs.
2832 * include/bits/shared_ptr_base.h: Likewise.
2833 * include/bits/stl_uninitialized.h: Likewise.
2834 * include/bits/unique_ptr.h: Likewise.
2835 * libsupc++/new: Likewise.
2837 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
2839 * include/bits/stl_deque.h
2840 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2842 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2844 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2846 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2848 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2850 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2852 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
2854 (_Deque_iterator<>::operator-(difference_type)): Likewise.
2856 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
2859 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
2860 (test01): Reserve for number of insertions to avoid rehash during test.
2861 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
2863 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
2868 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
2870 * include/experimental/bits/fs_path.h: Improve docs.
2871 * include/experimental/bits/net.h: Fix wrong header name in comment.
2872 Do not document implementation details.
2873 * include/experimental/netfwd: Fix doxygen grouping.
2875 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
2877 * include/bits/stl_pair.h: Improve docs.
2878 * include/std/tuple: Likewise.
2880 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
2882 * include/std/chrono: Improve docs.
2883 * include/std/ratio: Do not document implementation details.
2884 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
2886 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
2889 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
2890 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
2891 (__duration_common_type): New helper.
2892 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
2893 __duration_common_type.
2894 (__timepoint_common_type_wrapper): Replace with ...
2895 (__timepoint_common_type): New helper.
2896 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
2897 Use __time_point_common_type.
2898 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
2899 (__common_type_impl): If either argument is transformed by decay,
2900 use the common_type of the decayed types.
2901 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
2902 decayed, use __do_common_type_impl to get the common_type.
2903 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
2904 (__do_member_type_wrapper, __member_type_wrapper)
2905 (__expanded_common_type_wrapper): Remove.
2906 (__common_type_pack, __common_type_fold): New helpers.
2907 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
2908 __member_type_wrapper and __expanded_common_type_wrapper.
2909 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
2910 Test zero-length template argument list.
2911 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
2912 Test single argument cases and argument types that should decay.
2913 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
2914 Adjust expected error.
2915 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
2917 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2918 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2919 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2921 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
2923 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
2925 Make allocator propagation more consistent for
2926 operator+(basic_string) (P1165R1)
2927 * include/bits/basic_string.h
2928 (operator+(basic_string&&, basic_string&&): Changed resulting
2929 allocator to always be the one from the first parameter.
2930 * include/bits/basic_string.tcc
2931 (operator+(const _CharT*, const basic_string&)): Changed
2932 resulting allocator to be SOCCC on the second parameter's allocator.
2933 (operator+(_CharT, const basic_string&)): Likewise.
2934 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
2936 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
2939 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
2941 * include/bits/regex.h: Improve docs.
2942 * include/bits/regex.tcc: Do not document implementation details.
2944 * testsuite/19_diagnostics/error_code/hash.cc: New test.
2946 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
2948 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2949 Add type printer for container types in std::__debug namespace.
2950 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
2951 (gdb-tests): Use distinct parameters for the type of test and use of
2953 (gdb-test): Check for regex test even if 'whatis' test.
2954 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
2956 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
2957 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2958 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2959 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
2960 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2961 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2962 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
2964 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
2966 * include/std/system_error (error_category): Fix comment.
2969 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
2970 argument is an empty path.
2971 (absolute(const path&, error_code&)): Use invalid_argument as error
2972 code instead of no_such_file_or_directory.
2973 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
2974 of non-existent paths and empty paths with both overloads of absolute.
2976 * include/std/system_error (error_category, error_code)
2977 (error_condition): Improve docs.
2978 * libsupc++/exception: Add missing @addtogroup Doxygen command.
2979 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
2980 to class documentation. Suppress documentation for implementation
2982 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
2983 Suppress documentation for implementation details.
2985 * include/std/system_error (error_code): Remove friend declaration
2986 for hash<error_code>.
2987 (hash<error_code>::operator()): Use public member functions to access
2989 (hash<error_condition>::operator()): Use address of category, not
2990 its object representation.
2991 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
2992 Use public member functions to access value and category.
2993 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
2995 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
2997 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
2998 * include/bits/hashtable_policy.h
2999 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
3000 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
3001 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
3002 smaller than input value rather than always greater. Preserve
3003 _M_next_resize if called with 0 input. Use __builtin_floorl.
3004 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
3005 elements + number of insertions is greater than _M_next_resize. Start
3006 with 11 buckets if not told otherwise. Use __builtin_floorl.
3007 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
3008 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
3009 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
3010 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
3011 told otherwise. Use __builtin_floorl.
3012 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
3013 to also validate _Power2_rehash_policy.
3014 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
3017 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
3020 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
3024 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
3025 overflow warning with -Wpedantic -Wsystem-headers.
3027 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
3030 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
3031 * include/bits/move.h (swap): Remove extra parentheses.
3033 * include/experimental/bits/lfts_config.h: Improve doc markup.
3034 * include/experimental/optional: Improve docs.
3035 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
3036 (__constexpr_addressof): Remove.
3037 (optional::operator->()): Use std::__addressof().
3038 * include/std/optional (optional::operator->()): Adjust whitespace.
3039 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
3040 that operator-> is still constexpr with overloaded operator&. Change
3041 to compile-only test.
3042 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
3045 * include/bits/shared_ptr.h: Improve docs.
3046 * include/bits/shared_ptr_atomic.h: Likewise.
3047 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
3049 * include/bits/basic_string.h: Fix iterator/index confusion in
3051 * include/bits/range_access.h: Fix Doxygen warnings.
3052 * include/bits/refwrap.h: Do not document implementation details.
3053 (ref, cref): Group docs with reference_wrapper.
3054 * include/std/fstream: Fix Doxygen markup.
3055 * libsupc++/initializer_list (begin, end): Group docs with
3058 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
3060 * include/bits/unique_lock.h: Fix/improve doxygen markup.
3061 * include/std/mutex: Likewise.
3062 * include/std/shared_mutex: Likewise.
3064 * include/bits/fs_dir.h: Fix/improve doxygen markup.
3065 * include/bits/fs_fwd.h: Likewise.
3066 * include/bits/fs_ops.h: Likewise.
3067 * include/bits/fs_path.h: Likewise.
3068 * include/std/filesystem: Likewise.
3070 * include/experimental/bits/net.h: Fix/improve doxygen markup.
3071 * include/experimental/buffer: Likewise.
3072 * include/experimental/executor: Likewise.
3073 * include/experimental/internet: Likewise.
3074 * include/experimental/io_context: Likewise.
3075 * include/experimental/net: Likewise.
3076 * include/experimental/netfwd: Likewise.
3077 * include/experimental/socket: Likewise.
3078 * include/experimental/timer: Likewise.
3080 * doc/doxygen/doxygroups.cc: Move description of experimental group
3082 * include/experimental/algorithm: Add to libfund-ts doc group.
3083 * include/experimental/any: Likewise. Do not document implementation
3085 * include/experimental/array: Add to libfund-ts doc group.
3086 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
3087 for Library Fundamentals.
3088 * include/experimental/chrono: Add to libfund-ts doc group.
3089 * include/experimental/deque: Likewise.
3090 * include/experimental/forward_list: Likewise.
3091 * include/experimental/functional: Likewise.
3092 * include/experimental/iterator: Likewise.
3093 * include/experimental/list: Likewise.
3094 * include/experimental/map: Likewise.
3095 * include/experimental/memory: Likewise.
3096 * include/experimental/memory_resource: Likewise. Improve docs.
3098 * include/experimental/numeric: Add to libfund-ts doc group.
3099 * include/experimental/optional: Likewise.
3100 * include/experimental/propagate_const: Likewise.
3101 * include/experimental/random: Likewise.
3102 * include/experimental/ratio: Likewise.
3103 * include/experimental/regex: Likewise.
3104 * include/experimental/set: Likewise.
3105 * include/experimental/source_location: Likewise.
3106 * include/experimental/string: Likewise.
3107 * include/experimental/string_view: Likewise.
3108 * include/experimental/system_error: Likewise.
3109 * include/experimental/tuple: Likewise.
3110 * include/experimental/type_traits: Likewise.
3111 * include/experimental/unordered_map: Likewise.
3112 * include/experimental/unordered_set: Likewise.
3113 * include/experimental/utility: Likewise.
3114 * include/experimental/vector: Likewise.
3115 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
3116 * testsuite/experimental/array/neg.cc: Adjust dg-error.
3117 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
3119 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
3120 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
3121 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
3122 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
3123 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
3125 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
3126 * include/experimental/bits/fs_fwd.h: Improve docs.
3127 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
3128 * include/experimental/bits/fs_path.h: Likewise.
3129 (path, filesystem_error, u8path): Improve docs.
3130 * include/experimental/filesystem: Link to docs for TS.
3132 * config/allocator/new_allocator_base.h (__allocator_base): Add
3133 workaround for Doxygen bug #6945.
3134 * include/std/memory: Improve docs. Define group for pointer safety.
3135 * include/std/scoped_allocator: Improve docs. Use "undocumented"
3136 conditional to suppress documentation for implementation details.
3138 * include/bits/specfun.h: Improve docs.
3139 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
3142 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
3143 (std::experimental): Add docs.
3144 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
3145 namespace to nothing when generating docs.
3146 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
3147 * include/std/chrono (std::chrono): Likewise.
3148 * include/std/functional (std::placeholders): Likewise.
3149 * include/std/thread (std::this_thread): Likewise.
3151 * include/parallel/settings.h: Fix Doxygen markup.
3153 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
3154 anything unless PB_DS_CLASS_C_DEC is defined.
3155 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
3156 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
3157 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
3158 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
3159 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
3160 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
3161 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
3163 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
3164 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
3165 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
3166 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
3167 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
3168 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
3169 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
3170 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
3171 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
3172 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
3173 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
3175 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
3176 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
3178 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
3181 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
3182 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
3183 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
3186 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3188 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
3189 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
3190 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
3191 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
3192 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
3193 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3195 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
3196 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3199 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
3202 * include/std/complex (__complex_proj): Return parameter unchanged.
3203 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
3204 floating-point types to take std::complex arguments.
3205 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
3206 floating-point types.
3207 * testsuite/26_numerics/complex/proj.cc: New test.
3209 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3211 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
3212 to _Lock_policyE[012].
3213 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3215 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
3217 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
3218 macros accidentally left in.
3219 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
3220 unnecessary -lstdc++fs option. Fix test for mingw.
3221 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3224 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3226 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3228 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
3230 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
3232 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
3233 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
3236 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
3238 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
3241 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
3242 class template and partial specialization.
3245 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
3247 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
3248 functions to convert a value to an integral type.
3249 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
3250 (fill_n): Convert _Size parameter to an integral type.
3251 * testsuite/25_algorithms/fill_n/87982.cc: New test.
3252 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
3253 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
3254 * testsuite/25_algorithms/generate_n/87982.cc: New test.
3255 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
3256 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
3258 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
3260 Adding noexcept-specification on tuple constructors (LWG 2899)
3261 * libstdc++-v3/include/std/tuple:
3262 (tuple()): Add noexcept-specification.
3263 (tuple(const _Elements&...)): Likewise
3264 (tuple(_UElements&&...)): Likewise
3265 (tuple(const tuple<_UElements...>&)): Likewise
3266 (tuple(tuple<_UElements...>&&)): Likewise
3267 (tuple(const _T1&, const _T2&)): Likewise
3268 (tuple(_U1&&, _U2&&)): Likewise
3269 (tuple(const tuple<_U1, _U2>&): Likewise
3270 (tuple(tuple<_U1, _U2>&&): Likewise
3271 (tuple(const pair<_U1, _U2>&): Likewise
3272 (tuple(pair<_U1, _U2>&&): Likewise
3273 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
3275 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
3278 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
3279 arguments with __restrict.
3281 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
3283 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3285 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
3287 * include/experimental/bits/fs_path.h
3288 (path::_S_convert_loc<_InputIterator>): Create const std::string to
3289 avoid redundant call to _S_convert_loc with non-const pointers.
3291 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
3292 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
3293 * testsuite/21_strings/basic_string/hash/hash.cc
3294 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
3295 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
3296 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
3298 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
3299 wstring::_M_replace_dispatch with more specific patterns.
3300 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
3301 Create const std::string to avoid redundant call to _S_convert_loc
3302 with non-const pointers.
3303 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
3304 avoid unnecessary basic_string::assign instantiations.
3306 * include/std/memory (__uses_alloc_args): Add string-literal to
3307 static_assert, to match the one in __uses_alloc.
3308 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
3309 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
3310 for recursive uses-allocator construction of nested pairs.
3311 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
3314 2019-04-26 Jakub Jelinek <jakub@redhat.com>
3316 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3317 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3318 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
3319 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
3321 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3322 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3323 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
3324 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3325 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3326 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3327 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3329 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
3332 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
3333 * include/std/scoped_allocator [__cplusplus > 201703L]
3334 (scoped_allocator_adaptor::construct): Define in terms of
3335 uses_allocator_construction_args, as per P0591R4.
3336 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
3337 * testsuite/util/testsuite_allocator.h: Remove name of unused
3340 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
3342 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
3343 * doc/html/*: Regenerate.
3345 * include/bits/fs_path.h (operator<, operator<=, operator>)
3346 (operator>=, operator==, operator!=): Make hidden friends, as per
3348 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
3349 string type in test.
3350 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3352 * include/std/any (any::any(ValueType&&)): Use __and_v.
3353 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
3356 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
3358 * include/std/type_traits (__result_of_memfun): Use remove_reference
3359 instead of __remove_cvref_t and remove redundant is_same check.
3360 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
3362 * include/experimental/string_view (basic_string_view::pointer)
3363 (basic_string_view::reference): Fix to refer to non-const value_type.
3364 * include/bits/basic_string.h (basic_string): Use __sv_check and
3365 __sv_limit instead of basic_string_view::_M_check and
3366 basic_string_view::_M_limit.
3367 * include/std/string_view (__sv_check, __sv_limit): New
3368 helper functions to replace basic_string_view::_M_check and
3369 basic_string_view::_M_limit.
3370 (basic_string_view): Add static assertions to enforce ill-formed
3371 requirement for traits_type::char_type from P1148R0, and to enforce
3372 required properties of char-like types.
3373 (basic_string_view::pointer, basic_string_view::reference): Fix to
3374 refer to non-const value_type.
3375 (basic_string_view::operator[], basic_string_view::at)
3376 (basic_string_view::front, basic_string_view::back)
3377 (basic_string_view::data): Use const_reference and const_pointer
3378 typedefs for return types.
3379 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
3380 (hash<wstring_view>): Fix argument_type typedef.
3381 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3382 char/1.cc: Fix expected return type of basic_string_view::data().
3383 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3384 wchar_t/1.cc: Likewise.
3385 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3386 char/1.cc: Likewise.
3387 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3388 wchar_t/1.cc: Likewise.
3389 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
3391 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
3392 Check reference and pointer typedefs.
3393 * testsuite/experimental/string_view/requirements/typedefs.cc:
3395 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
3396 Fix expected return type of basic_string_view::data().
3397 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
3399 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
3401 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
3405 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
3406 Avoid a runtime check for types that can never be stored in std::any.
3407 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3410 PR libstdc++/90220 (partial)
3411 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
3412 not attempt ill-formed static_cast to pointers to non-object types.
3413 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3416 * testsuite/20_util/variant/run.cc: Catch exception by reference to
3417 prevent -Wcatch-value warning.
3419 * include/std/variant (__variant_construct): Use template parameter
3420 type instead of equivalent decltype-specifier.
3421 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
3422 Replace forward with move.
3423 (_Move_ctor_base<false, Types...>::_M_destructive_move)
3424 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
3425 (_Move_ctor_base<true, Types...>::_M_destructive_move)
3426 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
3427 index after construction succeeds.
3428 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
3429 if-constexpr checks that are always true. Use __remove_cvref_t instead
3430 of remove_reference so that is_nothrow_move_constructible check
3431 doesn't use a const rvalue parameter. In the potentially-throwing case
3432 construct a temporary and move assign it, as per LWG 2904.
3433 (_Move_assign_base<false, Types...>::operator=): Remove redundant
3434 if-constexpr checks that are always true. Use emplace as per LWG 2904.
3435 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
3436 construct a temporary and move assign from it, as per LWG 2904.
3437 * testsuite/20_util/variant/exception_safety.cc: Check that
3438 assignment operators have strong exception safety guarantee.
3440 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
3442 Document PSTL linker flags
3444 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
3446 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3448 * include/std/variant (__detail::__variant::_Traits): Make
3449 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
3450 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
3452 (__detail::__variant::_Copy_assign_alias): Only depend on
3453 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
3454 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
3455 move assignment operators.
3458 * include/std/variant (variant::__not_self): New helper for the
3459 is_same_v<remove_cvref_t<T>, variant>==false constraints.
3460 (variant::__to_type_impl): Remove.
3461 (variant::__to_type): Add default argument to check pack size, instead
3462 of using __to_type_impl.
3463 (variant::__accepted_type): Add default argument using __not_self.
3464 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
3465 for variant(T&&) constructor constraint.
3466 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
3467 Extract __accepted_type into a named template parameter for reuse in
3468 other constraints and in the exception specification.
3469 (variant::variant(in_place_type_t<T>, Args&&...))
3470 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
3471 (variant::variant(in_place_index_t<T>, Args&&...))
3472 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
3473 (variant::operator=T&&)): Remove redundant && from trait arguments.
3474 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
3475 isn't used for in_place_type or in_place_index arguments.
3477 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
3478 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
3479 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
3481 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3482 Bernd Edlinger <bernd.edlinger@hotmail.de>
3483 Jakub Jelinek <jakub@redhat.com>
3486 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
3487 general-regs-only target attribute for ARM.
3489 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3492 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
3493 specialization also depend on is_nothrow_move_constructible.
3494 * include/std/variant (__detail::__variant::__never_valueless()):
3495 Only true if the variant would have a move assignment operator.
3496 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
3497 Check __never_valueless<T...>().
3498 (variant::emplace): Only perform non-throwing move assignments
3499 for never-valueless alternatives if the variant has a move assignment
3501 * testsuite/20_util/variant/compile.cc: Check that never-valueless
3502 types can be emplaced into non-assignable variants.
3503 * testsuite/20_util/variant/run.cc: Check that never-valueless types
3504 don't get copied when emplaced into non-assignable variants.
3506 * include/std/variant (__detail::__variant::__ref_cast): Remove
3508 (__detail::__variant::_Uninitialized::_M_get)
3509 (__detail::__variant::__get)
3510 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
3512 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
3514 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
3516 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
3517 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
3518 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
3519 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
3521 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3523 Delegate PSTL configuration to pstl/pstl_config.h
3525 * include/bits/c++config: Remove explicit PSTL configuration
3526 macros and use definitions from <pstl/pstl_config.h>.
3528 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3530 Cleanup algorithm implementations
3531 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
3533 (mismatch): Forward execution policy.
3534 (equal): Qualify call to std::equal().
3535 (partial_sort): Forward execution policy.
3536 (inplace_merge): Forward execution policy.
3538 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
3540 Improve implementation of parallel equal()
3541 * include/pstl/algorithm_impl.h
3542 (__internal::__brick_equal): use "4 iterator" version of
3544 (__internal::__brick_equal): use simd for random access
3545 iterators on unsequenced execution policies.
3546 (__internal::__pattern_equal): add "4 iterator" version
3547 (__internal::__pattern_equal): dispatch to simd __brick_equal
3548 for vector-only execution policies.
3549 (__internal::__pattern_equal): dispatch to __parallel_or for
3550 parallel execution policies.
3551 * include/pstl/glue_algorithm_impl.h
3552 (std::equal): dispatch to "4 iterator" version of
3553 __internal::__pattern_equal().
3555 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
3558 * include/bits/forward_list.h (operator==): Do not use operator!= to
3560 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
3561 earlier in the list, so that sort is stable.
3562 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
3563 * testsuite/23_containers/forward_list/comparable.cc: Test with
3564 types that meet the minimum EqualityComparable and LessThanComparable
3565 requirements. Remove irrelevant comment.
3567 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
3568 Do not depend on whether all alternative types are move constructible.
3569 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
3570 from the operand when deciding whether to perform the assignment.
3571 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
3572 with deleted move constructor and deleted move assignment operator.
3573 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
3574 behaviour of variants with DeletedMoves as an alternative.
3575 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
3576 (move_ctor, move_assign): Check that moving a variant with a
3577 DeletedMoves alternative falls back to copying instead of moving.
3579 * testsuite/20_util/variant/compile.cc: Remove empty string literals
3580 from static_assert declarations.
3582 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
3583 actually match its name.
3584 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
3585 (test_swap()): Fix result for MoveCtorOnly and check
3586 MoveCtorAndSwapOnly.
3588 * include/std/optional (optional::value_or(U&&) &&): Add missing
3589 constexpr specifier.
3590 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
3591 for disengaged optionals and rvalue optionals.
3592 * testsuite/20_util/optional/observers/4.cc: Likewise.
3594 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
3596 * include/pstl/algorithm_impl.h: Uglify identfiers.
3597 * include/pstl/numeric_impl.h: Uglify identfiers.
3598 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
3600 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
3602 * include/bits/c++config:
3603 Add definition for __PSTL_ASSERT.
3604 Add definition for __PSTL_ASSERT_MSG.
3605 * include/pstl/algorithm_impl.h: Replace use of assert().
3606 * include/pstl/numeric_impl.h: Replace use of assert().
3607 * include/pstl/parallel_backend_tbb.h:
3608 Replace use of assert().
3609 Replace use of __TBB_ASSERT().
3610 * include/pstl/parallel_backend_utils.h: Replace use of assert().
3612 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
3615 * src/c++17/memory_resource.cc
3616 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
3617 needed to allow placing a _Chunk at the end of the buffer.
3618 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
3620 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
3622 * doc/xml/faq.xml: Add information about emergency EH pool.
3623 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
3624 Move outdated information on mt_allocator to a separate section.
3625 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
3626 doesn't affect the default allocator.
3628 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
3632 * testsuite/20_util/variant/89851.cc: New test.
3634 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
3636 * include/std/variant: Adjust whitespace. Add comments.
3637 (_Multi_array): Leave primary template undefined.
3638 (_Multi_array<_Tp>): Define partial specialization for base case of
3640 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
3641 which is always a reference.
3642 (__gen_vtable::_S_apply()): Remove function, inline body into
3643 default member initializer.
3644 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
3646 * include/std/variant (__variant_idx_cookie): Add member type.
3647 (__visitor_result_type): Remove.
3648 (__do_visit): Use invoke_result instead of __visitor_result_type.
3649 * testsuite/20_util/variant/visit.cc: New test.
3652 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
3654 * testsuite/20_util/variant/90008.cc: New test.
3656 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
3658 * include/pstl/algorithm_impl.h: Add namespace qualification.
3659 * include/pstl/execution_defs.h: Add namespace qualification.
3660 * include/pstl/execution_impl.h: Add namespace qualification.
3661 * include/pstl/numeric_impl.h: Add namespace qualification.
3662 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
3663 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
3664 * include/pstl/parallel_backend_utils.h: Include <cassert>.
3666 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
3668 Fix visit<R> for variant.
3669 * include/std/variant (__do_visit): Add a template parameter
3670 for enforcing same return types for visit.
3671 (__gen_vtable_impl): Likewise.
3672 (_S_apply_single_alt): Adjust.
3673 (__visit_invoke_impl): New. Handle casting to void.
3674 (__do_visit_invoke): New. Enforces same return types.
3675 (__do_visit_invoke_r): New. Converts return types.
3676 (__visit_invoke): Adjust.
3677 (__gen_vtable): Add a template parameter for enforcing
3678 same return types for visit.
3679 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
3680 different return types.
3681 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
3682 visitors with different return types don't accidentally
3683 compile with regular visitation.
3685 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
3687 * testsuite/27_io/filesystem/iterators/caching.cc: Add
3688 dg-require-filesystem-ts.
3690 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
3692 * doc/xml/manual/status_cxx2020.xml: Update status.
3693 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
3694 * testsuite/20_util/variant/visit_r.cc: New test.
3696 * include/bits/fs_dir.h (directory_iterator::operator*)
3697 (directory_iterator::operator->): Add noexcept.
3698 (operator==, operator!=): Replace namespace-scope equality operators
3699 for directory iterators with hidden friends.
3702 * config/abi/pre/gnu.ver: Add missing exports.
3703 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
3706 * config/abi/pre/gnu.ver: Export new symbols.
3707 * include/bits/fs_dir.h (recursive_directory_iterator::options())
3708 (recursive_directory_iterator::recursion_pending())
3709 (recursive_directory_iterator::disable_recursion_pending()): Remove
3710 inline definitions. Make noexcept.
3711 (recursive_directory_iterator::depth())
3712 (recursive_directory_iterator::operator*())
3713 (recursive_directory_iterator::operator->()): Make noexcept.
3714 (recursive_directory_iterator::_M_options)
3715 (recursive_directory_iterator::_M_pending): Remove data members.
3716 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
3717 (recursive_directory_iterator::recursive_directory_iterator): Remove
3718 ctor-initializer. Use new constructor for _Dir_stack.
3719 (recursive_directory_iterator::options())
3720 (recursive_directory_iterator::recursion_pending())
3721 (recursive_directory_iterator::disable_recursion_pending()): Add
3722 non-inline definitions.
3723 (recursive_directory_iterator::depth()): Make noexcept.
3724 (recursive_directory_iterator::increment(error_code&))
3725 (recursive_directory_iterator::pop(error_code&)): Adjust to new
3726 location of options and recursion_pending members.
3727 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
3728 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
3729 user-declared move constructor and assignment operator, to make the
3732 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
3733 d_type == DT_UNKNOWN immediately.
3734 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
3736 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
3738 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
3740 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
3741 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
3744 PR libstdc++/87431 (again)
3745 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
3746 Define partial specialization for basic_string.
3747 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
3748 shared_ptr and weak_ptr.
3749 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
3751 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
3753 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
3755 * include/debug/vector (_Never_valueless_alt): Likewise for debug
3757 * include/std/any (_Never_valueless_alt): Define explicit
3758 specialization for any.
3759 * include/std/variant (_Never_valueless_alt): Define primary template.
3760 (__never_valueless): Use _Never_valueless_alt instead of
3761 is_trivially_copyable.
3762 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
3763 initializations to avoid try-catch overhead. Add special case for
3764 scalars produced by potentially-throwing conversions. Use
3765 _Never_valueless_alt instead of is_trivially_copyable for the
3766 remaining strong exception-safety cases.
3767 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
3768 * testsuite/20_util/variant/87431.cc: Run both test functions.
3769 * testsuite/20_util/variant/exception_safety.cc: New test.
3770 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
3771 so the variant becomes valueless.
3773 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
3776 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
3778 (variant::emplace<_Tp>): Return result of emplace<N> directly.
3780 * include/std/string (__hash_string_base): New class template defining
3781 operator() for hashing strings.
3782 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
3783 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
3784 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
3785 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
3787 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
3789 Use single-visitation in variant assignment and swap and relops.
3790 Also use indices instead of types when checking whether
3791 variants hold the same thing.
3792 * include/std/variant (__do_visit): Add a template parameter
3793 for index visitation, invoke with indices if index visitation
3795 (__variant_idx_cookie): New.
3796 (__visit_with_index): Likewise.
3797 (_Copy_assign_base::operator=): Do single-visitation with
3799 (_Move_assign_base::operator=): Likewise.
3800 (_Extra_visit_slot_needed): Adjust.
3801 (__visit_invoke): Call with indices if it's an index visitor.
3802 (relops): Do single-visitation with an index visitor.
3804 (__visitor_result_type): New.
3806 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
3808 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
3810 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
3812 Don't revisit a variant we are already visiting.
3813 * include/std/variant (__variant_construct_single): New.
3814 (__variant_construct): Use it.
3815 (_M_destructive_move): Likewise.
3816 (_M_destructive_copy): Likewise.
3817 (_Copy_assign_base::operator=): Adjust.
3818 (_Move_assign_base::operator=): Likewise.
3821 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
3824 * include/bits/hashtable.h (_Hashtable): Move static assertions to
3825 destructor so they are not evaluated until the _Key type is complete.
3826 * include/bits/stl_tree.h (_Rb_tree): Likewise.
3827 * testsuite/23_containers/set/85965.cc: New test.
3828 * testsuite/23_containers/unordered_set/85965.cc: New test.
3829 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
3830 with regexp matching the corresponding _Rb_tree specialization.
3831 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
3832 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
3833 * testsuite/23_containers/set/48101_neg.cc: Likewise.
3834 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
3835 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
3836 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
3837 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
3839 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3842 Fix based on a suggestion by Antony Polukhin.
3843 * include/std/variant (__never_valueless): New.
3845 (_Extra_visit_slot_needed): New.
3846 (_Multi_array): Use it.
3847 (_S_apply_all_alts): Likewise.
3849 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3852 Fix based on a suggestion by Antony Polukhin.
3853 * include/std/variant (__gen_vtable): Don't reserve an
3854 additional table slot, _Multi_array already does that.
3856 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3859 Fix based on a suggestion by Antony Polukhin.
3860 * include/std/variant (__variant_construct): Capture a pointer
3861 to the storage and visit just one variant.
3863 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
3865 * doc/xml/manual/backwards_compatibility.xml: Remove link to
3866 Doxygen-generated pages with unstable URL.
3867 * doc/xml/manual/concurrency_extensions.xml: Likewise.
3868 * doc/xml/manual/extensions.xml: Likewise.
3869 * doc/xml/manual/parallel_mode.xml: Likewise.
3870 * doc/xml/manual/support.xml: Likewise.
3872 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
3873 avoid -Wconversion warnings.
3875 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
3877 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
3878 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
3879 (allstamped): Add stamp-pstl.
3880 (install-headers): Add ptsl_builddir.
3881 * include/Makefile.in: Regenerate.
3882 * include/bits/c++config: Add pstl configuration.
3883 * include/pstl/LICENSE.txt: New file.
3884 * include/pstl/algorithm_fwd.h: New file.
3885 * include/pstl/algorithm_impl.h: New file.
3886 * include/pstl/execution_defs.h: New file.
3887 * include/pstl/execution_impl.h: New file.
3888 * include/pstl/glue_algorithm_defs.h: New file.
3889 * include/pstl/glue_algorithm_impl.h: New file.
3890 * include/pstl/glue_execution_defs.h: New file.
3891 * include/pstl/glue_memory_defs.h: New file.
3892 * include/pstl/glue_memory_impl.h: New file.
3893 * include/pstl/glue_numeric_defs.h: New file.
3894 * include/pstl/glue_numeric_impl.h: New file.
3895 * include/pstl/memory_impl.h: New file.
3896 * include/pstl/numeric_fwd.h: New file.
3897 * include/pstl/numeric_impl.h: New file.
3898 * include/pstl/parallel_backend.h: New file.
3899 * include/pstl/parallel_backend_tbb.h: New file.
3900 * include/pstl/parallel_backend_utils.h: New file.
3901 * include/pstl/parallel_impl.h: New file.
3902 * include/pstl/pstl_config.h: New file.
3903 * include/pstl/unseq_backend_simd.h: New file.
3904 * include/pstl/utils.h: New file.
3905 * include/std/algorithm: Include parallel algorithm implementations.
3906 * include/std/execution: New file.
3907 * include/std/memory: Include parallel algorithm implementations.
3908 * include/std/numeric: Include parallel algorithm implementations.
3909 * include/std/version: Add parallel algorithms feature test macro.
3910 * testsuite/util/pstl/pstl_test_config.h: New file.
3911 * testsuite/util/pstl/test_utils.h: New file.
3912 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
3913 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
3914 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
3915 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
3916 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
3917 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
3918 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
3919 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
3920 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
3921 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
3922 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
3923 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
3924 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
3925 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
3926 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
3927 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
3928 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
3929 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
3930 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
3931 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
3932 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
3933 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
3934 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
3935 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
3936 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
3937 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
3938 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
3939 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
3940 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
3941 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
3942 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
3943 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
3944 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
3945 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
3946 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
3947 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
3948 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
3949 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
3950 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
3951 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
3952 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
3953 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
3954 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
3955 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
3956 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
3957 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
3958 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
3959 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
3960 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
3961 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
3962 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
3963 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
3964 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
3965 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
3966 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
3967 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
3968 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
3969 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
3970 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
3971 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
3972 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
3973 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
3974 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
3975 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
3976 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
3977 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
3978 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
3979 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
3980 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
3981 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
3982 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
3983 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
3984 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
3985 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
3986 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
3987 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
3988 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
3989 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
3990 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
3991 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
3992 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
3993 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
3994 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
3995 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
3996 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
3997 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
3998 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
3999 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
4000 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
4001 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
4002 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
4003 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
4004 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
4005 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
4006 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
4007 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
4008 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
4009 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
4010 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
4011 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
4012 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
4013 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
4014 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
4015 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
4016 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
4017 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
4019 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
4021 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
4022 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
4023 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
4024 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
4025 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
4026 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
4027 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
4028 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
4029 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
4030 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
4031 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
4032 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
4033 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
4034 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
4035 when the special functions IS is enabled, not for C++17.
4036 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
4038 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
4039 without checks for special functions in C++17.
4040 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
4044 * include/backward/hash_map: Use <> for includes not "".
4045 * include/backward/hash_set: Likewise.
4046 * include/backward/strstream: Likewise.
4047 * include/tr1/bessel_function.tcc: Likewise.
4048 * include/tr1/exp_integral.tcc: Likewise.
4049 * include/tr1/legendre_function.tcc: Likewise.
4050 * include/tr1/modified_bessel_func.tcc: Likewise.
4051 * include/tr1/riemann_zeta.tcc: Likewise.
4053 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
4055 * doc/xml/manual/allocator.xml: Link to table documenting evolution
4056 of extension allocators.
4057 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
4058 Document new headers in 7.2, 8.1 and 9.1 releases.
4059 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
4060 * doc/html/*: Regenerate.
4062 2019-03-12 John David Anglin <dave.anglin@bell.net>
4065 * testsuite/lib/libstdc++.exp: Locate libatomic.
4066 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
4067 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
4069 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
4070 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
4071 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
4072 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
4074 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
4077 * configure.ac: Check for sockatmark.
4078 * crossconfig.m4: Check for sockatmark.
4079 * config.h.in: Regenerate.
4080 * configure: Regenerate.
4081 * include/experimental/internet (address_v4::_S_hton): Rename
4082 overloaded functions to _S_hton_16 and _S_ntoh_16.
4083 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
4084 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
4085 * include/experimental/socket (basic_socket::at_mark): Check
4086 _GLIBCXX_HAVE_SOCKATMARK.
4088 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
4089 const variables instead of macros.
4092 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
4093 Use correct type for len_aligned.
4094 * testsuite/20_util/hash/89629.cc: New test.
4096 2019-03-11 Jakub Jelinek <jakub@redhat.com>
4099 * include/std/atomic (atomic<T>::store, atomic<T>::load,
4100 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
4101 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
4102 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
4103 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
4104 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
4105 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
4106 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
4107 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
4108 memory_order_seq_cst to int.
4110 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
4112 * doc/xml/manual/using.xml: Use link element instead of xref.
4113 * doc/html/*: Regenerate.
4115 * include/bits/fs_path.h (path::format): Add fixed underlying type.
4117 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
4120 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
4121 parameters in deduction guides.
4122 * include/debug/multimap.h (multimap): Likewise.
4123 * include/debug/set.h (multimap): Likewise.
4124 * include/debug/multiset.h (multimap): Likewise.
4125 * include/debug/unordered_map (unordered_map): Likewise.
4126 (unordered_multimap): Likewise.
4127 * include/debug/unordered_set (unordered_set): Likewise.
4128 (unordered_multiset): Likewise.
4131 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
4132 Invalidate all iterators in case of rehash.
4133 (unordered_multimap<>::_M_check_rehashed): Likewise.
4134 * include/debug/unordered_set
4135 (unordered_set<>::_M_check_rehashed): Likewise.
4136 (unordered_multiset<>::_M_check_rehashed): Likewise.
4137 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
4139 2019-03-07 Andreas Schwab <schwab@suse.de>
4141 * config/abi/post/riscv64-linux-gnu: New directory.
4142 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
4144 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
4146 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
4147 compile test to run. Fix typo.
4149 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
4150 * doc/html/*: Regenerate.
4152 P0356R5 Simplified partial function application
4153 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
4154 helpers for bind_front.
4155 (bind_front, __cpp_lib_bind_front): Define.
4156 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
4158 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4160 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
4161 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
4162 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
4163 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
4165 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
4167 PR libstdc++/86655 - std::assoc_legendre should not constrain
4168 the value of m (or x).
4169 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
4170 __sph_legendre): If degree > order Don't throw, return 0.
4171 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
4172 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
4173 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
4174 * testsuite/tr1/5_numerical_facilities/special_functions/
4175 02_assoc_legendre/pr86655.cc: New test.
4176 * testsuite/tr1/5_numerical_facilities/special_functions/
4177 22_sph_legendre/pr86655.cc: New test.
4179 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
4182 Also PR libstdc++/85517
4183 * include/std/variant (__do_visit): New.
4184 (__variant_cast): Likewise.
4185 (__variant_cookie): Likewise.
4186 (__erased_*): Remove.
4187 (_Variant_storage::_S_vtable): Likewise.
4188 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
4189 (_Variant_storage::__M_reset): Adjust.
4190 (__variant_construct): New.
4191 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
4192 __variant_construct.
4193 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
4194 (_Move_ctor_base::__M_destructive_copy): New.
4195 (_Move_ctor_base::__M_destructive_move): Adjust to use
4196 __variant_construct.
4197 (_Copy_assign_base::operator=): Adjust to use __do_visit.
4198 (_Copy_assign_alias): Adjust to check both copy assignment
4199 and copy construction for triviality.
4200 (_Move_assign_base::operator=): Adjust to use __do_visit.
4201 (_Multi_array): Add support for visitors that accept and return
4203 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
4204 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
4205 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
4206 a __variant_cookie temporary for a variant that is valueless and..
4207 (__gen_vtable_impl::__visit_invoke): ..adjust here.
4208 (__gen_vtable::_Array_type): Conditionally make space for
4209 the __variant_cookie visitor case.
4210 (__variant_construct_by_index): New.
4211 (get_if): Adjust to use std::addressof.
4212 (relops): Adjust to use __do_visit.
4213 (variant): Add __variant_cast and __variant_construct_by_index
4215 (variant::emplace): Use _M_reset() and __variant_construct_by_index
4216 instead of self-destruction.
4217 (variant::swap): Adjust to use __do_visit.
4218 (visit): Reimplement in terms of __do_visit.
4219 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
4220 * testsuite/20_util/variant/compile.cc: Adjust.
4221 * testsuite/20_util/variant/run.cc: Likewise.
4223 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4225 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
4227 * testsuite/experimental/feat-char8_t.cc: Likewise.
4229 * include/std/type_traits [C++20] (is_bounded_array)
4230 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
4232 * testsuite/20_util/is_bounded_array/requirements/
4233 explicit_instantiation.cc: New test.
4234 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
4236 * testsuite/20_util/is_bounded_array/value.cc: New test.
4237 * testsuite/20_util/is_unbounded_array/requirements/
4238 explicit_instantiation.cc: New test.
4239 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
4241 * testsuite/20_util/is_unbounded_array/value.cc: New test.
4243 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
4245 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
4247 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
4249 * include/c_compatibility/math.h [C++20] (lerp): Add using
4251 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
4252 (__lerp): Define function template to implement lerp.
4253 (lerp(float, float, float), lerp(double, double, double))
4254 (lerp(long double, long double, long double)): Define for C++20.
4255 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
4256 (midpoint(T, T), midpoint(T*, T*)): Define.
4257 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
4258 * testsuite/26_numerics/lerp.cc: New test.
4259 * testsuite/26_numerics/midpoint/floating.cc: New test.
4260 * testsuite/26_numerics/midpoint/integral.cc: New test.
4261 * testsuite/26_numerics/midpoint/pointer.cc: New test.
4263 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
4265 PR libstdc++/88996 Implement P0439R0
4266 Make std::memory_order a scoped enumeration.
4267 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
4268 add variables for the old enumerators. Adjust calls.
4269 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
4270 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
4272 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
4274 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
4277 * include/std/memory_resource (polymorphic_allocator): Add default
4278 template argument for C++20.
4279 (polymorphic_allocator::allocate_bytes)
4280 (polymorphic_allocator::deallocate_bytes)
4281 (polymorphic_allocator::allocate_object)
4282 (polymorphic_allocator::deallocate_object)
4283 (polymorphic_allocator::new_object)
4284 (polymorphic_allocator::delete_object): New member functions for
4286 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
4289 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
4292 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
4295 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
4297 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
4298 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
4300 * include/std/memory (uses_allocator_construction_args): New set of
4301 overloaded functions.
4302 (make_obj_using_allocator, uninitialized_construct_using_allocator):
4304 * include/std/memory_resource (polymorphic_allocator::construct)
4305 [__cplusplus > 201703l]: Replace all overloads with a single function
4306 using uses_allocator_construction_args.
4307 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
4309 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
4311 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
4314 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
4315 stylesheet directories before check for xsltproc. Try to use
4316 xmlcatalog to find local stylesheet directory before trying hardcoded
4317 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
4318 check to look for the same stylesheet as doc/Makefile.am uses. Don't
4319 use xsltproc if xmlcatalog fails to find a local stylesheet.
4320 * configure.ac: Check for xmlcatalog.
4321 * Makefile.in: Regenerate.
4322 * configure: Likewise.
4323 * doc/Makefile.in: Likewise.
4324 * include/Makefile.in: Likewise.
4325 * libsupc++/Makefile.in: Likewise.
4326 * po/Makefile.in: Likewise.
4327 * python/Makefile.in: Likewise.
4328 * src/Makefile.in: Likewise.
4329 * src/c++11/Makefile.in: Likewise.
4330 * src/c++17/Makefile.in: Likewise.
4331 * src/c++98/Makefile.in: Likewise.
4332 * src/filesystem/Makefile.in: Likewise.
4333 * testsuite/Makefile.in: Likewise.
4335 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
4338 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
4339 container deduction guides.
4340 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
4341 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
4342 parameters in deduction guides.
4343 * include/bits/stl_multimap.h (multimap): Likewise.
4344 * include/bits/stl_multiset.h (multiset): Likewise.
4345 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
4346 * include/bits/stl_set.h (set): Likewise.
4347 * include/bits/stl_stack.h (stack): Likewise.
4348 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
4349 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
4350 constrain parameters in deduction guides.
4351 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
4353 * testsuite/23_containers/map/cons/deduction.cc: Test additional
4355 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
4356 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
4357 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
4358 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
4360 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
4362 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
4365 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
4366 to class template and partial specialization using void_t.
4367 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4369 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
4372 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
4373 copy and move members public.
4375 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
4377 * include/std/type_traits (__underlying_type_impl): New helper to
4378 make underlying_type SFINAE-friendly.
4379 (underlying_type): Derive from __underlying_type_impl.
4380 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
4384 * include/bits/char_traits.h (__constant_char_array): Check index is
4385 in range before dereferencing.
4386 (char_traits<char>::compare, char_traits<char>::find)
4387 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
4388 immediately if n is zero.
4389 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
4390 Remove workarounds for PR 67026.
4391 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
4393 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
4396 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4398 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
4399 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
4401 2019-02-22 Jakub Jelinek <jakub@redhat.com>
4404 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
4405 type to std::size_t and argument to type to long double.
4407 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4409 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
4410 * config/abi/post/sparc64-linux-gnu: New directory.
4411 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
4412 * config/abi/post/sparc64-linux-gnu/32: New directory.
4413 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
4415 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4417 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
4418 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
4421 2019-02-22 Tom Honermann <tom@honermann.net>
4423 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
4424 printers for u8string and u8string_view.
4426 2019-02-22 Tom Honermann <tom@honermann.net>
4428 * testsuite/18_support/byte/ops.cc: Validate
4429 std::to_integer<char8_t>, std::to_integer<char16_t>, and
4430 std::to_integer<char32_t>.
4431 * testsuite/18_support/numeric_limits/dr559.cc: Validate
4432 std::numeric_limits<char8_t>.
4433 * testsuite/18_support/numeric_limits/lowest.cc: Validate
4434 std::numeric_limits<char8_t>::lowest().
4435 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
4436 std::numeric_limits<char8_t>::max_digits10.
4437 * testsuite/18_support/type_info/fundamental.cc: Validate
4438 typeinfo for char8_t.
4439 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
4440 std::from_chars with char8_t.
4441 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
4442 Validate explicit instantiation of std::hash<char8_t>.
4443 * testsuite/20_util/is_integral/value.cc: Validate
4444 std::is_integral<char8_t>.
4445 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
4446 Validate std::make_signed<char8_t>.
4447 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
4448 Validate u8string construction from char8_t sources.
4449 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
4451 * testsuite/21_strings/basic_string_view/operations/compare/
4452 char/70483.cc: Validate substr operations on u8string_view.
4453 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
4454 the u8string_view typedef is defined.
4455 * testsuite/21_strings/char_traits/requirements/
4456 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
4458 * testsuite/21_strings/char_traits/requirements/
4459 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
4460 constexpr member functions.
4461 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
4462 that the u8string typedef is defined.
4463 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
4464 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
4465 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
4466 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
4468 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
4469 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
4471 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
4472 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
4473 Validate std::atomic<char8_t>::is_always_lock_free
4474 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
4475 Update line numbers.
4476 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
4478 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
4480 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
4481 Validate std::experimental::pmr::u8string.
4482 * testsuite/experimental/string_view/typedefs.cc: Validate that the
4483 u8string_view typedef is defined.
4484 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
4485 char32_t to the typelists.
4487 2019-02-22 Tom Honermann <tom@honermann.net>
4489 * include/ext/typelist.h: Constrain a partial specialization of
4490 typelist::detail::append_ to only match chain<T1,T2>.
4492 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4495 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
4496 class template with class. Replace move and copy member types with
4497 member alias templates, so they are only instantiated when needed.
4498 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4499 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
4500 test for C++11/14/17 as well.
4501 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
4504 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4507 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
4508 _GLIBCXX_PURE to the alias declaration.
4510 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
4512 * testsuite/21_strings/basic_string/literals/types.cc
4513 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
4514 * testsuite/21_strings/basic_string/literals/values.cc
4515 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4516 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
4517 potentially having different type.
4518 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
4519 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
4521 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
4522 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
4523 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
4524 string literals only using basic character set.
4525 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
4526 u8 literals to char.
4527 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
4528 Test ATOMIC_CHAR8_T_LOCK_FREE.
4529 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
4530 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
4531 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
4532 * testsuite/experimental/string_view/literals/types.cc
4533 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
4535 * testsuite/experimental/string_view/literals/values.cc
4536 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4538 2019-02-19 Tom Honermann <tom@honermann.net>
4540 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
4541 from char16_32_t.cc; validates numeric_limits<char8_t>.
4542 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
4543 test cloned from types.cc; validates operator""s for char8_t
4545 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
4546 test cloned from values.cc; validates construction and comparison
4548 * testsuite/21_strings/basic_string/requirements/
4549 /explicit_instantiation/char8_t/1.cc: New test cloned from
4550 char16_t/1.cc; validates explicit instantiation of
4551 basic_string<char8_t>.
4552 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
4553 New test cloned from types.cc; validates operator""sv for char8_t
4554 returns u8string_view.
4555 * testsuite/21_strings/basic_string_view/literals/
4556 values-char8_t.cc: New test cloned from values.cc; validates
4557 construction and comparison of u8string_view values.
4558 * testsuite/21_strings/basic_string_view/requirements/
4559 explicit_instantiation/char8_t/1.cc: New test cloned from
4560 char16_t/1.cc; validates explicit instantiation of
4561 basic_string_view<char8_t>.
4562 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
4563 New test cloned from char16_t/65049.cc; validates that
4564 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
4565 * testsuite/21_strings/char_traits/requirements/char8_t/
4566 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
4567 that char_traits<char8_t> member typedefs are present and correct.
4568 * testsuite/21_strings/char_traits/requirements/
4569 explicit_instantiation/char8_t/1.cc: New test cloned from
4570 char16_t/1.cc; validates explicit instantiation of
4571 char_traits<char8_t>.
4572 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
4573 from char16_t.cc: validates
4574 codecvt<char16_t, char8_t, mbstate_t>.
4575 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
4576 from char32_t.cc: validates
4577 codecvt<char32_t, char8_t, mbstate_t>.
4578 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
4579 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
4580 codecvt<char32_t, char8_t, std::mbstate_t>.
4581 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
4582 test cloned from string.cc; validates filesystem::path construction
4584 * testsuite/experimental/feat-char8_t.cc: New test; validates that
4585 the __cpp_lib_char8_t feature test macro is defined with the
4587 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
4588 New test cloned from string.cc; validates filesystem::path
4589 construction from char8_t input.
4590 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
4591 test cloned from types.cc; validates operator""sv for char8_t
4592 returns u8string_view.
4593 * testsuite/experimental/string_view/literals/values-char8_t.cc:
4594 New test cloned from values.cc; validates construction and
4595 comparison of u8string_view values.
4596 * testsuite/experimental/string_view/requirements/
4597 explicit_instantiation/char8_t/1.cc: New test cloned from
4598 char16_t/1.cc; validates explicit instantiation of
4599 basic_string_view<char8_t>.
4600 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
4601 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
4604 2019-02-19 Tom Honermann <tom@honermann.net>
4606 P0482R5 char8_t: Standard library support
4607 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
4608 typeinfo symbols for char8_t.
4609 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
4610 (GLIBCXX_3.4.26): Add symbols for specializations of
4611 numeric_limits and codecvt that involve char8_t.
4612 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
4613 * include/bits/atomic_base.h: Add atomic_char8_t.
4614 * include/bits/basic_string.h: Add std::hash<u8string> and
4615 operator""s(const char8_t*, size_t).
4616 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
4618 * include/bits/char_traits.h: Add char_traits<char8_t>.
4619 * include/bits/codecvt.h: Add
4620 codecvt<char16_t, char8_t, mbstate_t>,
4621 codecvt<char32_t, char8_t, mbstate_t>,
4622 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4623 codecvt_byname<char32_t, char8_t, mbstate_t>.
4624 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
4625 recognize char8_t as an integral type.
4626 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
4628 (path::u8string): Return std::u8string when char8_t support is
4630 (path::generic_u8string): Likewise.
4631 (path::_S_convert): Handle conversion from char8_t input.
4632 (path::_S_str_convert): Likewise.
4633 * include/bits/functional_hash.h: Add hash<char8_t>.
4634 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
4636 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
4637 for new char8_t specializations.
4638 * include/bits/localefwd.h: Add missing declarations of
4639 codecvt<char16_t, char, mbstate_t> and
4640 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
4641 codecvt<char16_t, char8_t, mbstate_t> and
4642 codecvt<char32_t, char8_t, mbstate_t>.
4643 * include/bits/postypes.h: Add u8streampos
4644 * include/bits/stringfwd.h: Add declarations of
4645 char_traits<char8_t> and u8string.
4646 * include/c_global/cstddef: Add __byte_operand<char8_t>.
4647 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4649 (path::u8string): Return std::u8string when char8_t support is
4651 (path::generic_u8string): Likewise.
4652 (path::_S_convert): Handle conversion from char8_t input.
4653 (path::_S_str_convert): Likewise.
4654 * include/experimental/string: Add u8string.
4655 * include/experimental/string_view: Add u8string_view,
4656 hash<experimental::u8string_view>, and
4657 operator""sv(const char8_t*, size_t).
4658 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
4659 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
4660 as a character type.
4661 * include/std/limits: Add numeric_limits<char8_t>.
4662 * include/std/string_view: Add u8string_view,
4663 hash<experimental::u8string_view>, and
4664 operator""sv(const char8_t*, size_t).
4665 * include/std/type_traits: Add __is_integral_helper<char8_t>,
4666 __make_unsigned<char8_t>, and __make_signed<char8_t>.
4667 * libsupc++/atomic_lockfree_defines.h: Define
4668 ATOMIC_CHAR8_T_LOCK_FREE.
4669 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
4670 codecvt.cc and limits.cc so that char8_t specializations of
4671 numeric_limits and codecvt and emitted.
4672 * src/c++11/Makefile.in: Likewise.
4673 * src/c++11/codecvt.cc: Define members of
4674 codecvt<char16_t, char8_t, mbstate_t>,
4675 codecvt<char32_t, char8_t, mbstate_t>,
4676 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4677 codecvt_byname<char32_t, char8_t, mbstate_t>.
4678 * src/c++11/limits.cc: Define members of
4679 numeric_limits<char8_t>.
4680 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
4681 locale_init.cc and localename.cc.
4682 * src/c++98/Makefile.in: Likewise.
4683 * src/c++98/locale_init.cc: Add initialization for the
4684 codecvt<char16_t, char8_t, mbstate_t> and
4685 codecvt<char32_t, char8_t, mbstate_t> facets.
4686 * src/c++98/localename.cc: Likewise.
4687 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
4689 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
4691 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
4692 * 27_io/filesystem/operations/resize_file.cc: Likewise.
4693 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
4695 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
4697 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
4698 * doc/html/*: Regenerate.
4700 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
4701 * doc/html/*: Regenerate.
4703 * doc/xml/manual/intro.xml: Document LWG 2586 status.
4704 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
4705 allocator type in is_constructible checks.
4706 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
4707 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
4708 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
4709 problematic type from LWG 2586 discussion.
4710 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
4711 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
4713 * configure.ac: Check for C11 timespec_get function.
4714 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
4716 * config.h.in: Regenerate.
4717 * configure: Regenerate.
4718 * include/c_global/ctime (timespec, timespec_get): Add to namespace
4719 std for C++17 and up.
4721 * doc/xml/manual/intro.xml: Document LWG 2537 status.
4722 * include/bits/stl_queue.h
4723 (priority_queue(const Compare&, const Container&, const Alloc&))
4724 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
4726 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
4728 * doc/xml/manual/intro.xml: Document LWG 2566 status.
4729 * include/bits/stl_queue.h (queue, priority_queue): Add static
4730 assertions to enforce LWG 2566 requirement on value_type.
4731 * include/bits/stl_stack.h (stack): Likewise.
4734 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
4736 * doc/xml/manual/intro.xml: Document LWG 2735 status.
4737 * include/bits/std_abs.h: Add comment about LWG 2735.
4738 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
4740 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
4743 * include/std/version [__cpp_impl_destroying_delete]
4744 (__cpp_lib_destroying_delete): Only define for C++2a and later.
4745 * libsupc++/new [__cpp_impl_destroying_delete]
4746 (__cpp_lib_destroying_delete): Likewise.
4747 (destroying_delete_t, destroying_delete): Likewise, but define even
4748 when __cpp_impl_destroying_delete is not defined.
4749 * testsuite/18_support/destroying_delete.cc: New test.
4751 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
4754 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
4755 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
4756 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
4757 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
4759 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
4762 * include/bits/fs_path.h (path::has_root_name)
4763 (path::has_root_directory, path::has_root_path)
4764 (path::has_relative_path, path::has_parent_path)
4765 (path::has_filename, path::has_stem, path::has_extension)
4766 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
4768 * src/c++17/fs_path.cc (path::has_root_name)
4769 (path::has_root_directory, path::has_root_path)
4770 (path::has_relative_path, path::has_parent_path)
4771 (path::has_filename, path::_M_find_extension): Add noexcept.
4773 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
4775 PR libstdc++/89102 (partial)
4776 * include/std/type_traits (common_type<>): Define.
4777 (common_type<T>): Derive from common_type<T, T>.
4778 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
4779 Test zero-length template argument list.
4780 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
4781 Test additional single argument cases.
4782 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
4783 Adjust expected error.
4785 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
4788 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
4790 * include/bits/stl_stack.h (stack): Likewise.
4791 * testsuite/23_containers/priority_queue/deduction.cc: New test.
4792 * testsuite/23_containers/queue/deduction.cc: New test.
4793 * testsuite/23_containers/stack/deduction.cc: New test.
4796 * include/std/type_traits (__is_convertible_helper)
4797 (__is_convertible_helper<_From, _To, false>): Revert changes to
4798 support is_nothrow_convertible.
4799 (__is_nt_convertible_helper): New helper.
4800 (is_nothrow_convertible): Use __is_nt_convertible_helper.
4802 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
4803 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
4806 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
4807 __is_alloc_insertable_impl. Replace single type member with two
4808 members, one for each of copy and move insertable.
4809 (__is_move_insertable): New trait for internal use.
4810 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
4811 (vector::_S_nothrow_relocate(true_type)): New functions to
4812 conditionally check if __relocate_a can throw.
4813 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
4814 on __is_move_insertable.
4815 (vector::_S_do_relocate): New overloaded functions to conditionally
4817 (vector::_S_relocate): New function that dispatches to _S_do_relocate
4818 based on _S_use_relocate.
4819 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4820 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
4821 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
4824 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
4825 parameter unnamed. Add message to static assertion.
4826 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4827 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
4830 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
4833 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
4835 (__is_bitwise_relocatable): ... to this.
4836 (__relocate_a_1): Adapt.
4837 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
4838 (__is_bitwise_relocatable): ... to this.
4840 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
4843 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
4844 final component as well as from _M_pathname. Append the dot using
4845 operator+= instead of only to _M_pathname.
4846 (path::_M_find_extension): Reformat slightly.
4847 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4848 Add more test cases.
4850 2019-01-30 Ulrich Drepper <drepper@redhat.com>
4852 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
4854 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
4856 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
4857 constexpr specifiers from arg and proj.
4859 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
4860 __shared_ptr instantiations used by gcc4-compatible ABI.
4862 * include/experimental/forward_list (experimental::erase): Qualify
4864 * include/experimental/list (experimental::erase): Likewise.
4865 * include/std/forward_list (std::erase): Likewise.
4866 * include/std/list (std::erase): Likewise.
4868 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
4870 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
4871 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
4872 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
4873 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
4874 * testsuite/ext/array_allocator/26875.cc: Likewise.
4875 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
4876 * testsuite/util/replacement_memory_operators.h: Likewise.
4877 * testsuite/util/testsuite_allocator.h: Likewise.
4879 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
4880 normal mode vector, even for debug mode.
4881 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
4882 Define alias template for normal mode vector.
4884 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
4887 * config/locale/generic/c_locale.h (__convert_from_v)
4888 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4889 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4890 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
4891 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4893 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
4896 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
4897 data member with static member function _S_use_relocate().
4898 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4899 (vector::_M_default_append): Use _S_use_relocate() instead of
4902 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
4905 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
4908 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
4909 write to stderr instead of using printf.
4911 2019-01-21 Jakub Jelinek <jakub@redhat.com>
4914 * include/bits/char_traits.h (__constant_string_p,
4915 __constant_char_array_p): Use __builtin_is_constant_evaluated if
4918 2019-01-20 Ulrich Drepper <drepper@redhat.com>
4920 Implement C++20 P0600r1.
4921 * include/backward/hash_map: Add nodiscard attribute to empty.
4922 * include/backward/hash_set: Likewise.
4923 * backward/hashtable.h: Likewise.
4924 * include/bits/basic_string.h: Likewise.
4925 * include/bits/forward_list.h: Likewise.
4926 * include/bits/hashtable.h: Likewise.
4927 * include/bits/regex.h: Likewise.
4928 * include/bits/stl_deque.h: Likewise.
4929 * include/bits/stl_list.h: Likewise.
4930 * include/bits/stl_map.h: Likewise.
4931 * include/bits/stl_multimap.h: Likewise.
4932 * include/bits/stl_multiset.h: Likewise.
4933 * include/bits/stl_queue.h: Likewise.
4934 * include/bits/stl_set.h: Likewise.
4935 * include/bits/stl_stack.h: Likewise.
4936 * include/bits/stl_tree.h: Likewise.
4937 * include/bits/stl_vector.h: Likewise.
4938 * include/bits/unordered_map.h: Likewise.
4939 * include/bits/unordered_set.h: Likewise.
4940 * include/debug/array: Likewise.
4941 * include/experimental/any: Likewise.
4942 * include/experimental/bits/fs_path.h: Likewise.
4943 * include/experimental/internet: Likewise.
4944 * include/experimental/string_view: Likewise.
4945 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
4947 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
4949 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
4951 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
4953 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
4955 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
4957 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
4959 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
4961 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
4962 info_fn_imps.hpp: Likewise.
4963 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
4964 left_child_next_sibling_heap_.hpp: Likewise.
4965 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
4967 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
4969 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
4971 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
4973 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
4975 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
4977 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
4979 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
4980 * include/ext/pb_ds/trie_policy.hpp: Likewise.
4981 * include/ext/rope: Likewise.
4982 * include/ext/slist: Likewise.
4983 * include/ext/vstring.h: Likewise.
4984 * include/profile/array: Likewise.
4985 * include/std/array: Likewise.
4986 * include/tr1/array: Likewise.
4987 * include/tr1/hashtable.h: Likewise.
4988 * include/tr1/regex: Likewise.
4989 * include/tr2/dynamic_bitset: Likewise.
4990 * include/bits/alloc_traits.h: Add nodiscard attribute to
4992 * include/experimental/memory_resource: Likewise.
4993 * include/ext/alloc_traits.h: Likewise.
4994 * include/ext/array_allocator.h: Likewise.
4995 * include/ext/bitmap_allocator.h: Likewise.
4996 * include/ext/debug_allocator.h: Likewise.
4997 * include/ext/extptr_allocator.h: Likewise.
4998 * include/ext/mt_allocator.h: Likewise.
4999 * include/ext/new_allocator.h: Likewise.
5000 * include/ext/pool_allocator.h: Likewise.
5001 * include/ext/throw_allocator.h: Likewise.
5002 * include/std/scoped_allocator: Likewise.
5003 * libsupc++/eh_alloc.cc: Likewise.
5004 * include/std/future: Add nodiscard attribute to async.
5005 * libsupc++/new: Add nodiscard attribute to new.
5007 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
5012 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
5013 * include/bits/shared_ptr.h
5014 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
5015 (allocate_shared): Change to use new tag type.
5016 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
5017 Declare new member function.
5018 (_Sp_alloc_shared_tag): Define new type.
5019 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
5020 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
5021 _Sp_make_shared_tag::_S_eq to check type_info.
5022 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
5023 Constrain to prevent being called with _Sp_alloc_shared_tag.
5024 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
5025 Replace constructor with ...
5026 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
5027 reference parameter so address of the new object can be returned to
5028 the caller. Obtain the allocator from the tag type.
5029 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
5030 constructor with ...
5031 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
5032 to the __shared_count constructor.
5033 (__allocate_shared): Change to use new tag type.
5034 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
5036 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
5038 * src/c++17/fs_ops.cc
5039 (equivalent(const path&, const path&, error_code&))
5040 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
5041 compare files instead of relying on incomplete info returned by stat.
5044 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
5045 if the path is already absolute.
5046 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
5047 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
5050 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
5051 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
5052 of filesystem::exists.
5053 (create_directories(const path&, error_code&)): Add assertions.
5054 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
5055 Add workaround for bug in _wstat for paths with trailing slash.
5056 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
5057 for expected behaviour on mingw.
5058 * testsuite/experimental/filesystem/operations/create_directories.cc:
5060 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
5061 "TMP" instead of "TMPDIR" and clean environment before each test. Do
5062 not test permissions on mingw targets.
5064 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
5066 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
5067 constructors and open members taking wide strings. Fix patterns for
5068 filesystem::path members to match wstring_view parameters. Add
5069 exports for shared_ptr members used by directory iterators.
5070 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
5071 error code parameter if the file doesn't exist.
5072 * src/filesystem/ops.cc (remove(const path&, error_code&)):
5074 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
5075 values for mingw targets, where "/" is not an absolute path. Do not
5076 test symlinks on mingw targets.
5077 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5078 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
5080 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5081 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
5082 that each component of the path is created.
5083 * testsuite/experimental/filesystem/operations/create_directories.cc:
5085 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
5086 permissions on mingw targets.
5087 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5088 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5089 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5090 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
5092 * testsuite/experimental/filesystem/operations/permissions.cc:
5094 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
5095 symlinks or permissions on mingw targets.
5096 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5097 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
5098 symlinks on mingw targets.
5099 * testsuite/experimental/filesystem/operations/remove_all.cc:
5101 * testsuite/27_io/filesystem/operations/status.cc: Do not test
5102 permissions on mingw targets.
5103 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
5104 test symlinks on mingw targets.
5105 * testsuite/experimental/filesystem/operations/space.cc: Fix test
5108 2019-02-14 Ulrich Drepper <drepper@redhat.com>
5111 Warn about unused comparisons of shared_ptr/unique_ptr
5112 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
5113 * include/bits/shared_ptr.h: Use it for operator ==, !=,
5114 <, <=, >, >= for shared_ptr.
5115 * include/bits/unique_ptr.h: Likewise for unique_ptr.
5117 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
5119 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
5120 as 201611L, because P0497R0 changes are supported.
5121 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
5123 * include/bits/erase_if.h [__cplusplus > 201703L]
5124 (__cpp_lib_erase_if): Only define for C++2a.
5125 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5126 (__cpp_lib_null_iterators): Define.
5127 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5128 (__cpp_lib_null_iterators): Define.
5129 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
5131 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
5133 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
5135 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
5136 changes are supported.
5137 * include/std/optional (__cpp_lib_optional): Likewise.
5138 * include/std/variant (__cpp_lib_variant): Likewise.
5139 * include/std/version [!__STRICT_ANSI__]
5140 (__cpp_lib_uncaught_exceptions): Define as long integer.
5141 [__cplusplus >= 201703L] (__cpp_lib_any)
5142 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
5143 (__cpp_lib_variant): Define for C++17.
5144 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
5146 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
5149 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
5151 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
5155 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
5157 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
5160 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5162 * doc/xml/manual/intro.xml: Include new section.
5163 * doc/xml/manual/status_cxx2017.xml: Document more
5164 implementation-defined properties of the library.
5165 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
5166 * doc/html/*: Regenerate.
5168 * include/bits/refwrap.h [__cplusplus > 201703L]
5169 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
5170 (_Reference_wrapper_base_memfun): Do not define for C++2a.
5171 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
5173 (reference_wrapper::operator()): Add static assertion.
5174 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
5176 * include/std/chrono (duration_values::zero(), duration_values::min())
5177 (duration_values::max()): Add noexcept.
5178 (duration::zero(), duration::min(), duration::max()): Likewise.
5179 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
5180 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
5181 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
5183 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
5185 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5187 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
5188 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
5190 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5193 * include/bits/functional_hash.h (hash<nullptr_t>): Define
5194 specialization for C++17 (P0513R0, LWG 2817).
5195 * testsuite/20_util/hash/nullptr.cc: New test.
5198 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
5199 pattern for std::basic_stringbuf::str().
5201 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
5202 basic_ostream::operator<< patterns.
5204 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5206 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
5207 test failures on targets with 32-bit time_t.
5209 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
5210 * include/std/deque: Likewise.
5211 * include/std/forward_list: Likewise.
5212 * include/std/list: Likewise.
5213 * include/std/string: Likewise.
5214 * include/std/vector: Likewise.
5215 * include/std/version: Likewise.
5216 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
5217 * testsuite/23_containers/deque/erasure.cc: Likewise.
5218 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
5219 * testsuite/23_containers/list/erasure.cc: Likewise.
5220 * testsuite/23_containers/map/erasure.cc: Likewise.
5221 * testsuite/23_containers/set/erasure.cc: Likewise.
5222 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
5223 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
5224 * testsuite/23_containers/vector/erasure.cc: Likewise.
5226 * include/experimental/internet [AI_NUMERICSERV]
5227 (resolver_base::numeric_service): Define conditionally.
5228 * testsuite/experimental/net/internet/resolver/base.cc: Test it
5230 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
5233 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
5234 Jonathan Wakely <jwakely@redhat.com>
5237 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
5238 (GLIBCXX_3.4.26): Add new exports.
5239 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
5240 correct list of sources.
5241 * include/Makefile.in: Regenerate.
5242 * include/std/ostream (operator<<(nullptr_t)): New member function.
5243 * src/c++17/ostream-inst.cc: New file.
5244 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
5247 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5249 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
5250 of the source file containing the caller.
5251 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
5252 directories created by test.
5253 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5255 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5257 * testsuite/experimental/filesystem/iterators/
5258 recursive_directory_iterator.cc: Likewise.
5260 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5262 PR tree-optimization/88775
5263 * include/bits/stl_function.h (greater<_Tp*>::operator(),
5264 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
5265 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
5266 instead of __builtin_constant_p if available. Don't bother with
5267 the pointer comparison in C++11 and earlier.
5269 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5273 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
5276 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
5278 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
5279 for filesystem::path. Give variables more distinctive names.
5281 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
5282 member function to perform non-trivial assignment.
5283 (_Optional_payload_base::_M_move_assign): Likewise.
5284 (_Optional_payload<T, true, false, true>::operator=)
5285 (_Optional_payload<T, true, true, false>::operator=)
5286 (_Optional_payload<T, true, false, false>::operator=): Call
5287 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
5290 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
5291 test std::complex<long double> if long double format is IBM128.
5292 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
5295 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5297 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
5298 for old std::unique_ptr layout.
5299 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
5300 to become valueless. Add filesystem::path tests.
5303 * include/std/optional (_Optional_payload_base): New class template
5304 for common code hoisted from _Optional_payload specializations. Use
5305 a template for the union, to allow a partial specialization for
5306 types with non-trivial destructors. Add constructors for in-place
5307 initialization to the union.
5308 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
5309 to perform non-trivial copy construction, instead of relying on
5310 non-standard copy elision in a delegating constructor.
5311 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
5312 non-trivial move construction.
5313 (_Optional_payload): Derive from _Optional_payload_base and use it
5314 for everything except the non-trivial assignment operators, which are
5316 (_Optional_payload<false, C, M>): Derive from the specialization
5317 _Optional_payload<true, false, false> and add a destructor.
5318 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
5319 Forward to corresponding members of _Optional_payload.
5320 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
5321 Hoist common members from _Optional_base.
5322 (_Optional_base): Make all members and base class public.
5323 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
5324 _Optional_base_impl.
5325 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
5326 support for new std::optional layout.
5327 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
5330 * include/bits/locale_conv.h: Use <> for includes not "".
5331 * include/ext/random: Likewise.
5332 * include/ext/vstring.h: Likewise.
5334 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5336 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
5337 (GLIBCXX_3.4.21): Likewise.
5339 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5342 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
5343 to match the one that controls whether utimbuf and utime are declared.
5345 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
5348 * include/bits/char_traits.h (char_traits::move): Do not pass null
5349 pointers to memmove.
5350 * include/bits/locale_facets.h
5351 (ctype<char>::widen(const char*, const char*, char*)): Do not
5352 pass null pointers to memcpy.
5353 (ctype<char>::narrow(const char*, const char*, char, char*)):
5355 (ctype<char>::do_widen(const char*, const char*, char*)):
5357 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
5360 * doc/xml/manual/spine.xml: Update copyright years.
5361 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
5362 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
5363 for C++17 filesystem library.
5364 * doc/html/*: Regenerate.
5366 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
5367 * config.h.in: Regenerate.
5368 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
5369 alphabetically and add missing entries for copy_symlink,
5370 hard_link_count, rename, and resize_file.
5371 * configure: Regenerate.
5372 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
5373 used unconditionally.
5374 * src/filesystem/ops-common.h (__gnu_posix::truncate)
5375 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
5376 supports truncating to zero length.
5377 * testsuite/27_io/filesystem/operations/all.cc: New test.
5378 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
5380 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
5383 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
5384 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
5385 * config.h.in: Regenerate.
5386 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
5387 remaining std::filesystem types and functions.
5388 * configure: Regenerate.
5389 * src/c++17/Makefile.am: Add C++17 filesystem sources.
5390 * src/c++17/Makefile.in: Regenerate.
5391 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
5392 here, and change name of included file.
5393 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
5394 here, and change name of included file.
5395 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
5396 path to dir-common.h.
5397 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
5398 path to ops-common.h. Disable -Wunused-parameter warnings.
5399 (internal_file_clock): Define unconditionally.
5400 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
5402 (do_copy_file, do_space): Move definitions to ops.common.h.
5403 (copy, file_size, hard_link_count, last_write_time, space): Only
5404 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
5406 (last_write_time, read_symlink): Remove unused attributes from
5408 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
5409 * src/filesystem/Makefile.in: Regenerate.
5410 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
5411 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
5412 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
5413 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
5414 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
5415 dummy types and functions instead of using #error.
5416 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
5417 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
5419 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
5420 (do_copy_file, do_space): Move definitions here from std-ops.cc.
5421 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
5422 to account for new namespace.
5423 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
5424 -lstdc++fs from dg-options.
5425 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
5426 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
5427 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
5428 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
5429 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
5431 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
5432 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5434 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
5435 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
5436 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
5437 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
5438 * testsuite/27_io/filesystem/operations/create_directories.cc:
5440 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
5441 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
5442 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
5443 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
5444 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
5445 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
5446 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5447 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
5448 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
5449 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
5450 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
5451 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
5452 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
5453 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
5454 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
5455 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
5456 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
5457 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
5459 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
5463 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
5464 typeinfo and vtables less greedy.
5465 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
5466 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
5467 * src/c++17/Makefile.in: Regenerate.
5468 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
5469 here, and change name of included file.
5470 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
5471 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
5473 * src/filesystem/Makefile.in: Regenerate.
5474 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
5475 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
5476 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
5477 from dg-options and remove dg-require-filesystem-ts.
5478 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
5479 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
5480 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
5481 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
5482 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
5483 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
5484 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
5485 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
5486 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
5487 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
5488 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
5489 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
5490 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
5491 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
5492 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
5493 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
5494 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
5495 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
5496 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
5497 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
5498 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
5500 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
5501 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
5502 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
5503 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
5504 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
5505 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
5506 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
5507 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
5508 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
5509 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
5510 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
5511 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
5513 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
5515 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5517 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
5519 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
5520 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
5521 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
5522 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
5523 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
5524 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
5525 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
5526 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
5527 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
5528 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
5530 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
5531 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
5532 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
5533 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
5534 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
5537 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
5538 Check is_trivially_copyable instead of is_scalar.
5539 (variant::emplace<N, Args>(Args&&...)): If construction of the new
5540 contained value can throw and its type is trivially copyable then
5541 construct into a temporary variant and move from it, to provide the
5542 strong exception safety guarantee.
5543 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
5545 * testsuite/20_util/variant/87431.cc: New test.
5546 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
5547 conversion causes valueless state.
5550 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
5551 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
5552 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
5553 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
5554 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
5556 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
5558 * include/bits/fs_fwd.h (__file_clock): Define new clock.
5559 (file_time_type): Redefine in terms of __file_clock.
5560 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
5562 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
5564 (internal_file_lock): New helper type for accessing __file_clock.
5565 (do_copy_file): Use internal_file_lock to convert system time to
5567 (last_write_time(const path&, error_code&)): Likewise.
5568 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
5570 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
5572 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
5573 for const member functions of std::basic_string.
5574 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
5576 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
5577 Make non-standard constructor private.
5578 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
5580 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
5581 explicit instantiations for C++17 as well as earlier dialects.
5582 * src/c++17/Makefile.am: Add new source files.
5583 * src/c++17/Makefile.in: Regenerate.
5584 * src/c++17/cow-string-inst.cc: New file defining explicit
5585 instantiations for basic_string member functions added in C++17.
5586 * src/c++17/string-inst.cc: Likewise.
5588 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
5589 copy/move constructors for old std::basic_string.
5590 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
5591 (basic_string::reference, basic_string::const_reference): Define
5592 as plain references for C++11 and later.
5593 (basic_string::basic_string()): Put constructor body outside
5594 preprocessor conditional groups.
5595 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
5596 instead of copying it.
5597 (basic_string::basic_string(const basic_string&, const _Alloc&)):
5599 (basic_string::basic_string(basic_string&&, const _Alloc&)):
5601 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
5602 cases for old basic_string.
5603 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
5604 allocator-extended constructors unconditionally. Add extra members to
5605 allocator type when using old string ABI.
5606 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
5608 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
5610 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
5611 -fno-inline added to test flags.
5613 * testsuite/21_strings/basic_string/requirements/
5614 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
5616 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
5617 assertion failures with old std::string ABI.
5619 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
5621 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
5622 functions that will only erase elements at the end.
5623 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
5624 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
5625 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
5627 (path::_List::pop_back()): Define.
5628 (path::_List::_M_erase_from(const_iterator)): Define.
5629 (path::operator/=(const path&)): Use pop_back to remove last component
5630 and _M_erase_from to remove multiple components.
5631 (path::_M_append(basic_string_view<value_type>)): Likewise.
5632 (path::operator+=(const path&)): Likewise.
5633 (path::_M_concat(basic_string_view<value_type>)): Likewise.
5634 (path::remove_filename()): Likewise.
5635 (path::lexically_normal()): Use _List::_Impl iterators instead of
5636 path::iterator. Use pop_back to remove components from the end. Clear
5637 trailing filename, instead of using erase(const_iterator) to remove
5638 a non-final component.
5639 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
5641 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
5643 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
5644 incorrect treatment of empty filename after trailing slash.
5645 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
5647 * testsuite/21_strings/basic_string/modifiers/assign/char/
5648 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
5650 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
5651 move_assign_optim.cc: Likewise.
5653 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5654 Jakub Jelinek <jakub@redhat.com>
5657 * include/experimental/memory: Replace UTF-8 quote characters.
5658 * include/std/future: Replace UTF-8 "em dash" characters.
5660 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5663 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
5664 * include/debug/forward_list: Likewise.
5665 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
5667 * include/experimental/chrono: Likewise.
5668 * include/experimental/functional: Likewise.
5669 * include/experimental/ratio: Likewise.
5670 * include/experimental/system_error: Likewise.
5671 * include/experimental/tuple: Likewise.
5672 * include/experimental/type_traits: Likewise.
5673 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
5674 * include/parallel/multiseq_selection.h: Likewise.
5677 * config/abi/pre/gnu.ver: Add missing exports.
5678 * testsuite/22_locale/collate_byname/88681.cc: New test.
5679 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
5680 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
5682 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
5684 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
5685 initializer_list<value_type> and from input iterator ranges.
5686 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
5688 * testsuite/experimental/string_view/element_access/char/empty.cc:
5689 Fix year range in copyright header.
5691 2019-01-02 Joel Brobecker <brobecker@adacore.com>
5693 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
5694 Fix year range in copyright header.
5696 2019-01-01 Jakub Jelinek <jakub@redhat.com>
5698 Update copyright years.
5700 Copyright (C) 2019 Free Software Foundation, Inc.
5702 Copying and distribution of this file, with or without modification,
5703 are permitted in any medium without royalty provided the copyright
5704 notice and this notice are preserved.