1 2019-10-04 Jonathan Wakely <jwakely@redhat.com>
3 * include/precompiled/stdc++.h: Include <span> for C++20.
4 * testsuite/17_intro/names.cc: Do not define 'e' for C++20.
6 2019-10-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8 * include/parallel/multiway_merge.h (_RAIter3): Replace _C by _Cp.
10 2019-10-02 Jonathan Wakely <jwakely@redhat.com>
12 * config/abi/pre/gnu.ver: Tighten up greedy wildcards.
14 * doc/xml/manual/parallel_mode.xml: Add caveat about support for
16 * doc/html/*: Regenerate.
18 2019-10-01 Jonathan Wakely <jwakely@redhat.com>
20 * include/experimental/algorithm (experimental::sample): Qualify call
21 to __sample correctly.
22 * include/parallel/algo.h (sample, for_each_n): Add using-declarations
23 for algorithms that don't have parallel implementations.
25 * include/parallel/algobase.h (equal, lexicographical_compare): Add
26 _GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
28 * include/parallel/algorithmfwd.h (equal, lexicographical_compare):
29 Add _GLIBCXX20_CONSTEXPR.
31 * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
33 * testsuite/20_util/hash/84998.cc: Likewise.
34 * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
35 * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
36 * testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
37 * testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
38 * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
39 * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
40 * testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
41 * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
43 * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
45 * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
47 * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
49 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
51 * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
52 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
53 * testsuite/25_algorithms/copy/86658.cc: Likewise.
54 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
55 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
56 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
57 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
59 * include/parallel/algo.h: Replace non-reserved names.
60 * include/parallel/multiway_merge.h: Likewise.
61 * include/parallel/multiway_mergesort.h: Likewise.
62 * include/parallel/numericfwd.h: Likewise.
63 * testsuite/17_intro/names.cc: Add RAI to test macros.
65 2019-09-30 François Dumont <fdumont@gcc.gnu.org>
67 * include/debug/array: Add C++20 constexpr to comparison operators.
68 * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
69 dg-error line numbers.
70 * testsuite/23_containers/array/tuple_interface/
71 tuple_element_debug_neg.cc: Likewise.
73 2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
75 * include/experimental/internet: Include netinet/in.h if we have
76 _GLIBCXX_HAVE_NETINET_IN_H defined.
78 * testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
79 FreeBSD warning about lower advertised precision of tgammal.
80 * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
81 * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
82 * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
83 * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
84 * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
85 * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
86 * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
87 * testsuite/tr1/5_numerical_facilities/special_functions/
88 08_cyl_bessel_i/check_nan.cc: Likewise.
89 * testsuite/tr1/5_numerical_facilities/special_functions/
90 09_cyl_bessel_j/check_nan.cc: Likewise.
91 * testuite/tr1/5_numerical_facilities/special_functions/
92 10_cyl_bessel_k/check_nan.cc: Likewise.
93 * testsuite/tr1/5_numerical_facilities/special_functions/
94 11_cyl_neumann/check_nan.cc: Likewise.
95 * testsuite/tr1/5_numerical_facilities/special_functions/
96 21_sph_bessel/check_nan.cc: Likewise.
97 * testsuite/tr1/5_numerical_facilities/special_functions/
98 23_sph_neumann/check_nan.cc: Likewise.
100 2019-09-30 Jonathan Wakely <jwakely@redhat.com>
102 * include/std/span (span(element_type(&)[N]))
103 (span(array<value_type, N>&), span(const array<value_type, N>&)):
104 Deduce array element type to allow safe const conversions (LWG 3255).
105 [!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
106 remove_cv_t on arguments to __is_std_span and __is_std_array.
107 * testsuite/23_containers/span/lwg3255.cc: New test.
110 * include/parallel/checkers.h (__is_sorted): Remove unused variable.
112 2019-09-28 François Dumont <fdumont@gcc.gnu.org>
114 * include/bits/stl_algo.h (merge): Fix documentation.
115 * include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
116 (__check_sorted): Likewise and remove nested irreflexive check.
117 (__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
118 (__check_partitioned_lower, __check_partitioned_upper): Likewise.
119 (_Irreflexive_checker::_S_is_valid): Likewise.
120 (__is_irreflexive, __is_irreflexive_pred): Likewise.
121 * include/debug/helper_functions.h (__get_distance): Add constexpr.
122 (__valid_range_aux): Add C++20 constexpr.
123 (__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
124 Likewise and add std::is_constant_evaluated check.
125 (__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
126 (__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
127 (__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
129 (__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
130 __builtin_is_contant_evaludated check..
131 (__can_advance, __base): Add constexpr.
132 * include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
133 (_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
134 (__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
135 (__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
136 * testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
138 * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
139 * testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
140 lambda to be irreflexive.
142 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
144 * configure: Regenerate.
146 2019-09-27 Jonathan Wakely <jwakely@redhat.com>
149 * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
150 atomically and lock the mutex before accessing the sequence.
151 (_Safe_local_iterator_base::_M_detach()): Likewise.
152 (_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
154 2019-09-26 Jonathan Wakely <jwakely@redhat.com>
156 * include/debug/array (to_array): Define for debug mode.
158 * include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
159 piecewise construction constructor, assignment operators, and swap.
160 * include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
161 Add _GLIBCXX20_CONSTEXPR.
162 (pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
163 * testsuite/20_util/pair/constexpr_assign.cc: New test.
164 * testsuite/20_util/pair/constexpr_swap.cc: New test.
166 * include/experimental/internet (operator==, operator<): Fix loop
167 condition to avoid reading past the end of the array.
169 * include/std/array: Remove references to profile mode.
170 * include/std/bitset: Likewise.
171 * include/std/deque: Likewise.
172 * include/std/forward_list: Likewise.
173 * include/std/list: Likewise.
174 * include/std/map: Likewise.
175 * include/std/set: Likewise.
176 * include/std/unordered_map: Likewise.
177 * include/std/unordered_set: Likewise.
178 * include/std/vector: Likewise.
179 * testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
180 * testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
182 2019-09-25 Jonathan Wakely <jwakely@redhat.com>
184 * include/bits/regex.h
185 (basic_regex::assign(const C*, size_t, flag_type)): Add default
187 * testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
188 * testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
190 2019-09-24 Jonathan Wakely <jwakely@redhat.com>
192 * include/std/variant (variant::index()): Remove impossible case.
195 * testsuite/util/testsuite_hooks.h
196 (conversion::iterator_to_const_iterator()): Do not return an invalid
197 iterator. Test direct-initialization and direct-list-initialization
198 as well as implicit conversion.
200 2019-09-23 Jonathan Wakely <jwakely@redhat.com>
202 PR libstdc++/91788 (partial)
203 * include/std/variant (variant::index()): Improve codegen for cases
204 where conversion to size_t already works correctly.
206 2019-09-23 Andreas Schwab <schwab@suse.de>
208 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
210 2019-09-12 Jonathan Wakely <jwakely@redhat.com>
213 * include/bits/stl_algo.h (for_each_n): Fix random access iterator
215 * testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
218 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
220 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
223 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
224 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
225 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
228 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
230 * include/std/type_traits (__do_common_type_impl): Implement
231 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
232 (basic_common_reference, common_reference, common_reference_t): Define
234 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
236 * testsuite/20_util/common_reference/requirements/
237 explicit_instantiation.cc: New test.
238 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
241 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
242 non-template overloads for each signed and unsigned integer type and
243 char. Define deleted overload for bool (LWG 3266).
244 * testsuite/20_util/to_chars/1_neg.cc: Remove.
245 * testsuite/20_util/to_chars/3.cc: New test.
246 * testsuite/20_util/to_chars/lwg3266.cc: New test.
248 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
250 * acinclude.m4: Handle uclinux*.
251 * configure: Regenerate.
252 * configure.host: Handle uclinux*
254 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
255 Mickaël Guêné <mickael.guene@st.com>
257 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
260 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
263 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
264 0ul being a valid null pointer constant.
266 * include/std/type_traits (__remove_cv_t): New alias template.
267 (is_void, is_integral, is_floating_point, is_pointer)
268 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
269 (is_member_point), __is_signed_integer, __is_unsigned_integer)
270 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
271 (__decay_selector): Use __remove_cv_t.
272 (remove_cv): Add partial specializations for cv-qualified types.
273 (__decay_t): New alias template.
274 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
276 (__enable_if_t): Move earlier in the file.
277 (_Require): Use __enable_if_t.
278 (swap(T&, T&)): Use _Require.
279 (swap(T(&)[N])): Use __enable_if_t.
281 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
283 Implement C++20 p1424 - 'constexpr' feature macro concerns,
284 Issue 3256 - Feature testing macro for constexpr algorithms,
285 and Issue 3257 - Missing feature testing macro update from P0858.
286 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
287 * include/bits/algorithmfwd.h: Ditto.
288 * include/std/utility: Ditto.
289 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
290 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
291 __cpp_lib_constexpr macro in <algorith>.
292 * testsuite/20_util/exchange/constexpr.cc: Add check for
293 __cpp_lib_constexpr macro in <utility>.
294 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
295 __cpp_lib_constexpr_algorithms.
296 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
297 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
298 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
299 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
300 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
301 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
302 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
303 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
304 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
305 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
306 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
307 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
308 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
309 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
310 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
311 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
312 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
313 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
314 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
315 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
316 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
317 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
318 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
319 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
320 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
321 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
322 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
323 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
324 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
325 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
326 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
327 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
328 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
329 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
330 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
331 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
332 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
333 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
334 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
335 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
336 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
337 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
338 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
339 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
340 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
341 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
342 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
343 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
344 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
345 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
346 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
347 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
348 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
350 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
352 Update docs for recent <span> and constexpr lib changes.
353 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
354 p1023r0, p1085r2 status.
355 * doc/html/manual/status.html: Regenerate.
357 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
359 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
360 final offsets with constants.
362 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
364 * include/bits/range_access.h (__adl_to_address): Remove.
365 * include/std/span (__is_base_derived_safe_convertible_v): Replace
366 with span::__is_compatible.
367 (__is_std_array_v): Replace with __is_std_array class template and
368 partial specializations.
369 (__is_std_array, __is_std_span): New class templates and partial
371 (span::__is_compatible): New alias template for SFINAE constraints.
372 (span::span(element_type (&)[N])): Remove redundant constraints. Do
373 not use __adl_data to obtain a pointer.
374 (span::span(array<value_type, N>&)): Likewise.
375 (span::span(const array<value_type, N>&)): Likewise.
376 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
377 (span::iter_value_t, span::derived_from): New alias templates for
378 SFINAE constraints, until the equivalents are supported in <concepts>
380 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
381 for SFINAE constraints.
382 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
384 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
385 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
386 Use std::to_address instead of __adl_to_address.
387 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
388 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
389 template for SFINAE constraints.
390 [!_GLIBCXX_P1394] (span::span(Container&))
391 (span::span(const Container&)): Improve constraints.
392 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
393 (span::span(pointer, pointer)): Remove redundant cast of pointer.
394 (span(const span<OType, OExtent>&)): New constructor.
396 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
398 * include/bits/range_access.h (ssize): Define for C++20.
399 * testsuite/24_iterators/range_access_cpp20.cc: New test.
400 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
401 * doc/html/*: Regenerate.
403 2019-09-06 Florian Weimer <fweimer@redhat.com>
405 * configure: Regenerate.
407 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
409 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
410 P1024R3. Remove entry for P0920R2.
411 * include/std/span (__cpp_lib_span): Change value.
412 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
414 (span): Replace __extent_storage base class with data member.
415 (span::_S_subspan_extent): New function.
416 (span::empty()): Add nodiscard attribute.
417 (span::front, span::back, span::operator[]): Check preconditions.
418 (span::first, span::last, span::subspan): Add noexcept. Improve
419 precondition checks (LWG 3103).
420 (get): Remove redundant condition from static_assert.
421 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
422 (as_writable_bytes): Add inline specifier.
423 * include/std/version (__cpp_lib_span): Change value.
424 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
425 * testsuite/23_containers/span/front_neg.cc: Likewise.
426 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
427 * testsuite/23_containers/span/last_neg.cc: Improve test.
428 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
429 * testsuite/23_containers/span/1.cc: New test.
430 * testsuite/23_containers/span/2.cc: New test.
431 * testsuite/23_containers/span/back_assert_neg.cc: New test.
432 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
433 * testsuite/23_containers/span/first_assert_neg.cc: New test.
434 * testsuite/23_containers/span/first_neg.cc: New test.
435 * testsuite/23_containers/span/front_assert_neg.cc: New test.
436 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
437 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
438 * testsuite/23_containers/span/last_assert_neg.cc: New test.
439 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
440 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
441 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
442 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
443 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
444 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
446 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
448 * include/Makefile.am: Add <span> header.
449 * include/Makefile.in: Regenerate.
450 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
451 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
452 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
453 New functions for performing argument-dependent lookup of range
454 customization points.
455 * include/bits/stl_iterator.h (__normal_iterator): Add
456 _GLIBCXX20_CONSTEXPR to all functions.
457 * include/std/span: New header.
458 * include/std/version (__cpp_lib_span): Define feature test macro.
459 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
460 * testsuite/23_containers/span/everything.cc: New test.
461 * testsuite/23_containers/span/get_neg.cc: New test.
462 * testsuite/23_containers/span/last_neg.cc: New test.
463 * testsuite/23_containers/span/subspan_neg.cc: New test.
464 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
465 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
466 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
468 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
470 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
471 * doc/html/*: Regenerate.
473 2019-09-04 Mike Crowe <mac@mcrowe.com>
476 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
477 pthread_cond_clockwait function.
478 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
479 * configure: Regenerate.
480 * config.h.in: Regenerate.
481 * include/std/condition_variable: (condition_variable): Rename
482 __steady_clock_t typedef and add system_clock. Change __clock_t to be
483 a typedef for the preferred clock to convert arbitrary other clocks to.
484 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
486 (wait_until): Change __clock_t overload to use system_clock.
487 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
488 steady_clock overload that calls pthread_cond_clockwait.
489 (__wait_until_impl): Change __clock_t overload to use system_clock.
490 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
491 steady_clock for __clock_t if pthread_cond_clockwait is available.
493 2019-09-04 Mike Crowe <mac@mcrowe.com>
495 * testsuite/30_threads/condition_variable/members/2.cc (test01):
496 Parameterise so that test can be run against an arbitrary clock.
497 (main): Test using std::chrono::steady_clock and a user-defined
498 clock in addition to the previous std::chrono::system_clock.
499 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
501 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
503 * crossconfig.m4: Remove references to spu.
504 * configure: Regenerate.
505 * doc/xml/manual/appendix_contributing.xml: Remove references
506 to __ea as "badword" for spu.
507 * doc/html/manual/source_code_style.html: Regenerate.
508 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
509 to avoid __ea (as "badword" for spu).
510 (__ellint_rj): Likewise.
512 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
515 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
516 scanning to conform to the GNU Coding Standards.
517 * configure: Regenerate.
519 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
521 * src/c++17/memory_resource.cc: Use __constinit keyword.
523 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
525 * doc/xml/manual/abi.xml: Document 9.x library versions.
526 * doc/html/*: Regenerate.
528 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
530 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
531 (__detail::__to_chars_8_len): Remove.
532 (__detail::__to_chars_8): Inline length calculation here.
533 (__detail::__from_chars_binary): Use numeric_limits instead of
536 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
538 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
539 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
540 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
541 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
544 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
546 * testsuite_files/util/testsuite_performance.h
547 (resource_counter::start): Ignore unused malloc(0) result.
549 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
551 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
552 Model Object Technologies): Adjust name and link.
554 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
556 * include/std/charconv (__detail::__to_chars_8)
557 __detail::__to_chars_16): Replace array of precomputed digits with
558 arithmetic operations to avoid CPU cache misses. Remove zero
559 termination from array of digits to allow symbol merge with generic
560 implementation of __detail::__to_chars. Replace final offsets with
561 constants. Use __detail::__to_chars_len_2 instead of a generic
562 __detail::__to_chars_len.
563 (__detail::__to_chars): Remove zero termination from array of digits.
564 (__detail::__to_chars_2): Leading digit is always '1'.
566 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
568 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
570 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
572 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
574 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
577 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
578 to template parameters.
579 * include/bits/stl_uninitialized.h (uninitialized_copy)
580 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
581 diagnose invalid uses.
582 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
583 Adjust expected error.
584 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
586 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
588 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
590 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
592 * testsuite/23_containers/vector/cons/89164.cc: New test.
593 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
595 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
598 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
599 * configure: Regenerate.
600 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
602 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
604 * testsuite/util/testsuite_abi.cc: Add new symbol version.
606 2019-08-29 Jakub Jelinek <jakub@redhat.com>
608 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
609 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
611 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
613 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
614 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
615 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
616 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
617 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
618 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
619 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
621 2019-08-23 Joseph Myers <joseph@codesourcery.com>
623 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
624 (std::filesystem::__gnu_posix::lstat): Add return type.
626 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
628 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
630 * include/std/numeric (reduce): Fix Doxygen markup.
633 * include/std/type_traits (is_function): Simplify definition. Remove
634 partial specializations for function types.
635 (__is_referenceable): Simplify definition.
636 * testsuite/20_util/bind/91371.cc: New test.
637 * testsuite/20_util/is_function/91371.cc: New test.
638 * testsuite/20_util/is_function/value.cc: Check more pointer types.
639 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
640 * testsuite/20_util/is_object/91371.cc: New test.
642 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
644 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
646 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
649 * include/bits/std_function.h (__check_func_return_type): Remove.
650 (function::_Callable): Use std::__is_invocable_impl instead of
651 __check_func_return_type.
652 * include/std/type_traits (__is_invocable_impl): Add another defaulted
653 template parameter. Define a separate partial specialization for
654 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
655 with a check that models delayed temporary materialization.
656 * testsuite/20_util/function/91456.cc: New test.
657 * testsuite/20_util/is_invocable/91456.cc: New test.
659 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
661 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
663 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
665 Implement C++20 p0879 - Constexpr for swap and swap related functions.
666 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
667 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
669 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
670 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
671 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
672 * include/bits/move.h (swap): Add constexpr.
673 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
674 (__gcd, __rotate, rotate, __partition, __heap_select)
675 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
676 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
677 (__introselect, __chunk_insertion_sort, next_permutation)
678 (prev_permutation, partition, partial_sort, nth_element, sort)
679 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
680 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
681 (swap_ranges): Add constexpr.
682 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
683 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
685 * include/std/type_traits (swap): Add constexpr.
686 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
687 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
688 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
689 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
690 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
691 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
692 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
693 * testsuite/25_algorithms/partition/constexpr.cc: New test.
694 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
695 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
696 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
697 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
698 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
699 * testsuite/25_algorithms/sort/constexpr.cc: New test.
700 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
701 * testsuite/25_algorithms/swap/constexpr.cc: New test.
702 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
704 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
707 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
709 * include/std/tuple (__unpack_std_tuple): New variable template and
710 partial specializations.
711 (apply, make_from_tuple): Add noexcept-specifier.
712 * testsuite/20_util/tuple/apply/2.cc: New test.
713 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
715 2019-08-09 Corentin Gay <gay@adacore.com>
717 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
718 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
719 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
720 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
721 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
722 Add call to `VERIFY`.
724 2019-08-09 Alexandre Oliva <oliva@adacore.com>
727 (normal_mv_distribution::param_type::param_type): New private
728 ctor taking a decomposed varcov matrix, for use by...
729 (operator>>): ... this, befriended.
730 * include/ext/random.tcc (operator>>): Use it.
731 (normal_mv_distribution::param_type::_M_init_lower): Adjust
732 member function name in exception message.
734 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
736 P0325R4 to_array from LFTS with updates
737 * include/experimental/array (to_array): Qualify call to __to_array.
738 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
739 * include/std/version (__cpp_lib_to_array): Likewise.
740 * testsuite/23_containers/array/creation/1.cc: New test.
741 * testsuite/23_containers/array/creation/2.cc: New test.
742 * testsuite/23_containers/array/creation/3_neg.cc: New test.
743 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
744 Use zero for dg-error line number.
746 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
748 P1651R0 bind_front should not unwrap reference_wrapper
749 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
750 * include/std/version (__cpp_lib_bind_front): Update value.
751 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
753 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
755 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
756 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
757 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
758 specializations for __float128.
759 * testsuite/26_numerics/numbers/float128.cc: New test.
761 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
763 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
766 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
768 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
769 in <algorithm> and <utility> Headers.
770 Implement C++20 p1023 - constexpr comparison operators for std::array.
771 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
772 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
773 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
774 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
775 none_of, partition_copy, partition_point, remove, remove_if,
776 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
777 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
778 count_if, equal, find, find_first_of, find_if, for_each, generate,
779 generate_n, lexicographical_compare, merge, mismatch, replace,
780 replace_if, search, search_n, set_difference, set_intersection,
781 set_symmetric_difference, set_union, transform, unique_copy):
783 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
784 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
785 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
786 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
787 Use const ref instead of ref arg;
788 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
789 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
790 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
791 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
792 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
793 __iter_comp_iter): Mark constexpr.
794 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
795 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
796 none_of, any_of, find_if_not, is_partitioned, partition_point,
797 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
798 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
799 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
800 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
801 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
802 __equal_range, equal_range, binary_search, __includes, includes,
803 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
804 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
805 is_sorted_until, __is_permutation, is_permutation, for_each, find,
806 find_if, find_first_of, adjacent_find, count, count_if, search,
807 search_n, transform, replace, replace_if, generate, generate_n,
808 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
809 set_intersection, __set_difference, set_difference,
810 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
811 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
812 wrappers around __builtin_memmove and __builtin_memcmp
814 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
815 copy, move, __copy_move_b, __copy_move_backward_a,
816 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
817 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
818 __lexicographical_compare_impl, __lexicographical_compare,
819 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
820 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
821 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
822 is_heap): Mark constexpr.
823 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
824 is_heap): Mark constexpr.
825 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
826 * include/std/array: Make comparison ops constexpr.
827 * include/std/utility: Make exchange constexpr.
828 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
829 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
830 * testsuite/23_containers/array/tuple_interface/
831 tuple_element_neg.cc: Adjust.
832 * testsuite/20_util/exchange/constexpr.cc: New.
833 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
834 * testsuite/25_algorithms/constexpr_macro.cc: New.
835 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
836 * testsuite/25_algorithms/all_of/constexpr.cc: New.
837 * testsuite/25_algorithms/any_of/constexpr.cc: New.
838 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
839 * testsuite/25_algorithms/copy/constexpr.cc: New.
840 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
841 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
842 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
843 * testsuite/25_algorithms/count/constexpr.cc: New.
844 * testsuite/25_algorithms/count_if/constexpr.cc: New.
845 * testsuite/25_algorithms/equal/constexpr.cc: New.
846 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
847 * testsuite/25_algorithms/fill/constexpr.cc: New.
848 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
849 * testsuite/25_algorithms/find/constexpr.cc: New.
850 * testsuite/25_algorithms/find_end/constexpr.cc: New.
851 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
852 * testsuite/25_algorithms/find_if/constexpr.cc: New.
853 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
854 * testsuite/25_algorithms/for_each/constexpr.cc: New.
855 * testsuite/25_algorithms/generate/constexpr.cc: New.
856 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
857 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
858 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
859 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
860 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
861 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
862 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
863 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
864 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
865 * testsuite/25_algorithms/merge/constexpr.cc: New.
866 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
867 * testsuite/25_algorithms/none_of/constexpr.cc: New.
868 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
869 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
870 * testsuite/25_algorithms/remove/constexpr.cc: New.
871 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
872 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
873 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
874 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
875 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
876 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
877 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
878 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
879 * testsuite/25_algorithms/search/constexpr.cc: New.
880 * testsuite/25_algorithms/search_n/constexpr.cc: New.
881 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
882 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
883 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
884 * testsuite/25_algorithms/set_union/constexpr.cc: New.
885 * testsuite/25_algorithms/transform/constexpr.cc: New.
886 * testsuite/25_algorithms/unique/constexpr.cc: New.
887 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
888 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
890 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
892 * include/std/memory (make_obj_using_allocator): Qualify call to
893 uses_allocator_construction_args.
895 P0631R4 Math Constants
896 * include/Makefile.am: Add new header.
897 * include/Makefile.in: Regenerate.
898 * include/precompiled/stdc++.h: Include new header.
899 * include/std/numbers: New header.
900 * include/std/version (__cpp_lib_math_constants): Define.
901 * testsuite/26_numerics/numbers/1.cc: New test.
902 * testsuite/26_numerics/numbers/2.cc: New test.
903 * testsuite/26_numerics/numbers/3.cc: New test.
904 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
906 * include/std/bit: Add Doxygen comments.
909 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
910 constraints on deleter that should only apply to the constructor.
911 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
912 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
913 constraints on deleter here.
914 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
916 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
919 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
921 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
923 * testsuite/18_support/51333.cc: New test.
925 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
927 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
928 to the Doxygen manual. Avoid a "here" link on the way.
929 Fix another broken link to Doxygen docblocks.
931 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
933 * include/std/bit (__cpp_lib_endian): Define.
934 * include/std/version (__cpp_lib_endian): Define.
935 * testsuite/26_numerics/endian/2.cc: New.
936 * testsuite/26_numerics/endian/3.cc: New.
937 * testsuite/26_numerics/endian/4.cc: New.
939 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
941 * testsuite/util/testsuite_iterators.h
942 (bidirectional_iterator_wrapper): Fix type comment.
943 (random_access_iterator_wrapper): Likewise.
945 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
947 * include/std/bit (endian): Move definition here as per P1612R1.
948 * include/std/type_traits (endian): Remove definition from here.
949 * testsuite/20_util/endian/1.cc: Rename to ...
950 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
952 2019-07-25 Martin Liska <mliska@suse.cz>
953 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
956 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
958 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
959 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
960 * testsuite/ext/new_allocator/check_new.cc: Likewise.
962 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
964 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
965 * testsuite/26_numerics/bit/bit.count/*: Here.
967 * include/std/bit (__rotl, __rotr): Change second parameter from
968 unsigned int to int and handle negative values.
969 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
970 parameter from unsigned int to int. Add nodiscard attribute.
971 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
972 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
974 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
975 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
978 * include/std/bit (__ceil2): Make unrepresentable results undefined,
979 as per P1355R2. Add debug assertion. Perform one left shift, not two,
980 so that out of range values cause undefined behaviour. Ensure that
981 shift will still be undefined if left operand is promoted.
982 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
983 unrepresentable values with checks that they are not core constant
985 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
987 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
989 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
990 sized deallocation size computation.
992 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
994 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
996 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
998 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
999 (~_Temporary_buffer()): Use latter.
1000 (_Temporary_buffer(_FIterator, size_type)): Likewise.
1002 2019-07-17 Andreas Schwab <schwab@suse.de>
1004 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1006 2019-07-16 Jason Merrill <jason@redhat.com>
1008 * include/std/memory (uses_allocator_construction_args): Add parens
1011 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
1013 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
1015 * include/experimental/string_view (__detail::__idt): Remove.
1016 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1017 Use __type_identity_t instead of __detail::__idt;
1018 * include/std/string_view (__detail::__idt): Remove.
1019 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1020 Use __type_identity_t instead of __detail::__idt;
1021 * include/std/type_traits (__type_identity_t): New alias template.
1023 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
1024 and floating point atomics.
1026 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
1028 * doc/xml/manual/configure.xml: Improve documentation of
1029 --enable-libstdcxx-time option.
1031 * include/bits/atomic_base.h (__atomic_impl): New namespace for
1032 wrappers around atomic built-ins.
1033 (__atomic_float, __atomic_ref): New class templates for use as base
1035 * include/std/atomic (atomic<float>, atomic<double>)
1036 (atomic<long double>): New explicit specializations.
1037 (atomic_ref): New class template.
1038 (__cpp_lib_atomic_ref): Define.
1039 * include/std/version (__cpp_lib_atomic_ref): Define.
1040 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
1041 * testsuite/29_atomics/atomic_float/1.cc: New test.
1042 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
1043 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
1044 * testsuite/29_atomics/atomic_ref/float.cc: New test.
1045 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
1046 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
1047 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
1048 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
1050 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
1052 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
1053 throw() with _GLIBCXX_NOTHROW.
1054 (__atomic_add_dispatch): Return after performing atomic increment.
1056 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
1058 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
1059 (__exchange_and_add): Replace static specifier with always_inline
1061 (__exchange_and_add_single, __atomic_add_single): Likewise.
1062 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
1063 combine !__gthread_active_p() and !__GTHREADS branches.
1065 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
1068 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
1069 * configure: Regenerate.
1070 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
1072 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
1073 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1075 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
1077 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
1078 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
1079 instead of __is_identifier to detect Clang support.
1081 2019-07-02 Jim Wilson <jimw@sifive.com>
1083 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
1085 * configure: Regenerate.
1087 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
1090 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
1091 for the what_arg parameters.
1092 (filesystem_error::filesystem_error): Pass system_error::what() to
1093 the _Impl constructor.
1094 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
1095 filesystem_error::what() contains system_error::what().
1097 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
1099 * include/std/charconv (chars_format): Define bitmask type.
1100 * testsuite/20_util/to_chars/chars_format.cc: New test.
1102 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
1103 * include/std/bit (_If_is_unsigned_integer_type): Remove.
1104 (_If_is_unsigned_integer): Use __is_unsigned_integer.
1105 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
1106 (countl_one(byte), countr_zero(byte), countr_one(byte))
1107 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
1108 (log2p1(byte)): Remove.
1109 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
1110 (__detail::__is_int_to_chars_type): Remove.
1111 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
1112 and __is_unsigned_integer.
1113 * include/std/type_traits (__is_one_of): Move here from <charconv>.
1114 (__is_signed_integer, __is_unsigned_integer): New helpers.
1115 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
1117 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
1118 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
1119 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
1120 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
1121 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1122 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1123 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1124 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1125 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
1126 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
1128 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
1130 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
1133 2019-06-25 Jakub Jelinek <jakub@redhat.com>
1135 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1136 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1137 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1138 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1140 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
1142 * include/std/numeric (midpoint(T, T)): Change implementation for
1143 floating-point types to avoid incorrect rounding of denormals.
1144 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
1145 rounding with denormals.
1146 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
1147 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1149 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
1151 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
1153 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
1155 * configure: Regenerate.
1157 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
1158 Qualify calls to __never_valueless.
1160 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
1161 C++17 working draft.
1163 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
1164 vector<bool> for test.
1165 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1167 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1169 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
1171 (istream_iterator::_M_read()): Do not check stream state before
1172 attempting extraction. Set stream pointer to null when extraction
1174 (operator==(const istream_iterator&, const istream_iterator&)): Change
1175 to be a hidden friend of istream_iterator.
1176 (operator!=(const istream_iterator&, const istream_iterator&)):
1178 (ostream_iterator::ostream_iterator()): Add default constructor.
1179 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
1181 * testsuite/24_iterators/istream_iterator/1.cc: New test.
1182 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
1183 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
1184 constructor taking a string.
1185 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
1188 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
1189 Jonathan Wakely <jwakely@redhat.com>
1192 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
1193 values of type bool for vector<bool> elements.
1194 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
1195 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1197 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1199 PR libstdc++/90920 partially revert r263433
1200 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
1201 (rotate): Remove checks.
1202 * testsuite/25_algorithms/rotate/90920.cc: New test.
1204 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
1205 category used in invocable check.
1206 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
1207 * testsuite/26_numerics/reduce/2.cc: New test.
1209 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
1211 * include/bits/algorithmfwd.h: Change title of doc group.
1212 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
1214 * include/bits/stl_numeric.h: Define doc group and add algos to it.
1215 * include/std/numeric (__is_random_access_iter): New internal trait.
1216 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
1217 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
1218 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
1219 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
1220 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
1221 * testsuite/26_numerics/reduce/1.cc: New test.
1222 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
1223 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
1224 * testsuite/26_numerics/transform_reduce/1.cc: New test.
1225 * testsuite/util/testsuite_iterators.h (test_container::size()): New
1228 * include/c_global/cstddef (std::byte): Perform arithmetic operations
1229 in unsigned int to avoid promotion (LWG 2950).
1231 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1233 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
1236 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
1238 PR libstdc++/90281 Fix string conversions for filesystem::path
1239 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1240 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
1241 __str_codecvt_in_all to fail for partial conversions and throw on
1243 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
1244 (path::_Cvt<char8_t>): Add explicit specialization.
1245 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
1247 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1248 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
1249 instead of codecvt_utf8. Use __str_codecvt_in_all and
1250 __str_codecvt_out_all.
1251 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1252 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1253 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1254 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1255 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
1256 after converting to UTF-8.
1257 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
1258 __str_codecvt_in_all.
1259 (path::string): Fix initialization of string types with different
1261 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1262 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1263 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
1265 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
1266 return false for partial conversions.
1267 * include/experimental/bits/fs_path.h (u8path):
1268 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
1269 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
1270 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
1271 instead of codecvt_utf8. Use __str_codecvt_in_all and
1272 __str_codecvt_out_all.
1273 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1274 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1275 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1276 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1277 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
1278 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1279 __str_codecvt_in_all.
1280 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1281 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1282 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
1283 __str_codecvt_in_all.
1284 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
1285 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
1286 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
1287 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
1288 strings and with Unicode characters outside the basic multilingual
1290 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
1291 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
1292 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
1293 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
1294 * testsuite/experimental/filesystem/path/native/string.cc: Test with
1295 empty strings and with Unicode characters outside the basic
1298 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
1299 Jonathan Wakely <jwakely@redhat.com>
1301 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
1302 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
1303 deallocate node if insertion fails.
1304 (_Hashtable::_M_insert_multi_node): Likewise.
1305 (_Hashtable::_M_reinsert_node): Pass additional key argument.
1306 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
1307 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
1308 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
1309 (_Hashtable::extract(const _Key&)): Likewise.
1310 (_Hashtable::_M_merge_unique): Pass additional key argument.
1311 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
1313 (_Hashtable::_M_insert): Likewise.
1314 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
1315 (_Hashtable_alloc): Add comments to functions with misleading names.
1317 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1319 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
1321 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
1322 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
1323 header for std::allocator.
1324 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
1325 using-declaration for std::size_t.
1326 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
1328 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
1330 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
1331 * testsuite/experimental/map/erasure.cc: Include <string> for
1333 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
1335 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
1337 * include/experimental/type_traits (experimental::nonesuch): Use
1338 pragma to disable -Wctor-dtor-privacy warnings.
1339 * include/std/type_traits (__is_convertible_helper<From, To, false>)
1340 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
1342 * include/std/version (__cpp_lib_bind_front): Add missing macro.
1344 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
1346 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
1347 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
1348 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
1349 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
1351 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
1352 (variant::emplace): Change static_assert messages from "should be"
1354 (hash<monostate>::operator()): Remove name of unused parameter.
1356 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
1359 * include/Makefile.am: Add new <bits/charconv.h> header.
1360 * include/Makefile.in: Regenerate.
1361 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
1362 (to_string(long), to_string(unsigned long), to_string(long long))
1363 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
1364 * include/bits/charconv.h: New header.
1365 (__detail::__to_chars_len): Move here from <charconv>.
1366 (__detail::__to_chars_10_impl): New function extracted from
1367 __detail::__to_chars_10.
1368 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
1369 (__to_chars_unsigned_type): New class template that reuses
1370 __make_unsigned_selector_base::__select to pick a type.
1371 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
1372 (__detail::__to_chars_len): Move to new header.
1373 (__detail::__to_chars_10): Add inline specifier. Move code doing the
1374 output to __detail::__to_chars_10_impl and call that.
1375 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
1376 * testsuite/21_strings/basic_string/numeric_conversions/char/
1377 to_string.cc: Fix reference in comment. Remove unused variable.
1378 * testsuite/21_strings/basic_string/numeric_conversions/char/
1379 to_string_int.cc: New test.
1381 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1383 Fix ConstexprIterator requirements tests - No constexpr algorithms!
1384 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1385 Replace copy with hand-rolled loop.
1386 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1389 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
1391 Test for C++20 p0858 - ConstexprIterator requirements.
1392 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1394 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1397 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
1399 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
1401 * include/bits/c++config: Rename all macros of the form __PSTL* to
1403 * include/std/algorithm: Likewise.
1404 * include/std/execution: Likewise.
1405 * include/std/numeric: Likewise.
1406 * include/std/memory: Likewise.
1407 * include/pstl/glue_memory_impl.h: Likewise.
1408 * include/pstl/numeric_impl.h: Likewise.
1409 * include/pstl/glue_memory_defs.h: Likewise.
1410 * include/pstl/execution_defs.h: Likewise.
1411 * include/pstl/utils.h: Likewise.
1412 * include/pstl/algorithm_fwd.h: Likewise.
1413 * include/pstl/unseq_backend_simd.h: Likewise.
1414 * include/pstl/glue_execution_defs.h: Likewise.
1415 * include/pstl/algorithm_impl.h: Likewise.
1416 * include/pstl/parallel_impl.h: Likewise.
1417 * include/pstl/memory_impl.h: Likewise.
1418 * include/pstl/glue_numeric_defs.h: Likewise.
1419 * include/pstl/parallel_backend_utils.h: Likewise.
1420 * include/pstl/glue_algorithm_defs.h: Likewise.
1421 * include/pstl/parallel_backend.h: Likewise.
1422 * include/pstl/glue_numeric_impl.h: Likewise.
1423 * include/pstl/parallel_backend_tbb.h: Likewise.
1424 * include/pstl/numeric_fwd.h: Likewise.
1425 * include/pstl/glue_algorithm_impl.h: Likewise.
1426 * include/pstl/execution_impl.h: Likewise.
1427 * include/pstl/pstl_config.h: Likewise.
1428 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1429 * testsuite/util/pstl/test_utils.h: Likewise.
1430 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1432 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1434 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1436 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
1437 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
1438 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
1439 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
1440 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1442 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
1443 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
1444 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
1445 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
1446 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1448 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
1449 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
1450 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
1451 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
1452 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1454 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
1455 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
1456 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1458 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1460 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
1461 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1462 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1464 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1466 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
1468 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
1470 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
1472 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
1474 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
1476 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
1478 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
1480 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
1482 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
1484 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
1486 Rename header guards to be consistent with upstream project's
1488 * include/pstl/glue_memory_impl.h: Rename all macros of the form
1489 _PSTL_(.*)_H to _PSTL_\U\1_H.
1490 * include/pstl/numeric_impl.h: Likewise.
1491 * include/pstl/glue_memory_defs.h: Likewise.
1492 * include/pstl/execution_defs.h: Likewise.
1493 * include/pstl/utils.h: Likewise.
1494 * include/pstl/algorithm_fwd.h: Likewise.
1495 * include/pstl/unseq_backend_simd.h: Likewise.
1496 * include/pstl/glue_execution_defs.h: Likewise.
1497 * include/pstl/algorithm_impl.h: Likewise.
1498 * include/pstl/parallel_impl.h: Likewise.
1499 * include/pstl/memory_impl.h: Likewise.
1500 * include/pstl/glue_numeric_defs.h: Likewise.
1501 * include/pstl/parallel_backend_utils.h: Likewise.
1502 * include/pstl/glue_algorithm_defs.h: Likewise.
1503 * include/pstl/parallel_backend.h: Likewise.
1504 * include/pstl/glue_numeric_impl.h: Likewise.
1505 * include/pstl/parallel_backend_tbb.h: Likewise.
1506 * include/pstl/numeric_fwd.h: Likewise.
1507 * include/pstl/glue_algorithm_impl.h: Likewise.
1508 * include/pstl/execution_impl.h: Likewise.
1509 * include/pstl/pstl_config.h: Likewise.
1510 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1512 Synchronize libstdc++ parallel algorithms with upstream
1514 * include/pstl/algorithm_fwd.h: Synchronize with
1515 upstream PSTL project.
1516 * include/pstl/algorithm_impl.h: Likewise.
1517 * include/pstl/execution_defs.h: Likewise.
1518 * include/pstl/execution_impl.h: Likewise.
1519 * include/pstl/glue_algorithm_impl.h: Likewise.
1520 * include/pstl/glue_execution_defs.h: Likewise.
1521 * include/pstl/numeric_fwd.h: Likewise.
1522 * include/pstl/numeric_impl.h: Likewise.
1523 * include/pstl/parallel_backend.h: Likewise.
1524 * include/pstl/pstl_config.h: Likewise.
1525 * include/pstl/unseq_backend_simd.h: Likewise.
1526 * include/pstl/parallel_backend_serial.h: New file.
1527 * include/Makefile.am (pstl_headers): Add
1528 parallel_backend_serial.h.
1529 * include/Makefile.in: Regenerate.
1531 Clean up non-conforming names
1532 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
1533 Uglfiy copy_range1 and copy_range2
1534 (__pattern_walk2_n): Rename local n to __n
1535 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
1536 Rename parameter _T to _Tp.
1538 Integrate non-TBB serial backend support
1539 * include/bits/c++config: Adjust TBB detection logic to select serial
1540 PSTL backend if no TBB present.
1541 * testsuite/utils/pstl/test_utils.h: Remove check for
1542 _PSTL_USE_PAR_POLICIES
1544 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
1546 * testsuite/24_iterators/container_access.cc: Move dg-options before
1547 dg-do directive so the target check uses the -std option.
1550 * configure: Regenerate.
1551 * src/Makefile.am (stamp-debug): Also test for missing makefile.
1552 * src/Makefile.in: Regenerate.
1554 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
1556 * include/std/array: Do not include <stdexcept>.
1557 * include/std/optional: Include <exception> and
1558 <bits/exception_defines.h> instead of <stdexcept>.
1559 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
1561 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
1563 * testsuite/23_containers/map/erasure.cc: Include <string>.
1564 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
1566 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
1567 dg-prune-output for different C++98 diagnostic.
1568 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
1570 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
1572 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
1574 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
1576 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
1578 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
1580 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
1582 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
1584 * testsuite/23_containers/vector/requirements/dr438/
1585 constructor_1_neg.cc: Likewise.
1586 * testsuite/23_containers/vector/requirements/dr438/
1587 constructor_2_neg.cc: Likewise.
1588 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
1590 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
1592 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
1593 Do not test allocator rebinding extension for C++2a.
1594 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
1595 dg-do directive for C++17 and C++2a.
1597 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1598 1_c++0x.cc: Remove redundant test.
1599 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1600 2.cc: Use target selector instead of preprocessor condition.
1601 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1602 3.cc: Do not run test for C++2a.
1603 * testsuite/23_containers/forward_list/requirements/
1604 explicit_instantiation/3.cc: Likewise.
1605 * testsuite/23_containers/forward_list/requirements/
1606 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1608 * testsuite/23_containers/list/requirements/explicit_instantiation/
1609 1_c++0x.cc: Remove redundant test.
1610 * testsuite/23_containers/list/requirements/explicit_instantiation/
1611 2.cc: Use target selector instead of preprocessor condition.
1612 * testsuite/23_containers/list/requirements/explicit_instantiation/
1613 3.cc: Do not run test for C++2a.
1614 * testsuite/23_containers/list/requirements/explicit_instantiation/
1615 5.cc: Do not test allocator rebinding extension for C++2a.
1616 * testsuite/23_containers/map/requirements/explicit_instantiation/
1617 1_c++0x.cc: Remove redundant test.
1618 * testsuite/23_containers/map/requirements/explicit_instantiation/
1619 2.cc: Adjust comment.
1620 * testsuite/23_containers/map/requirements/explicit_instantiation/
1621 3.cc: Do not run test for C++2a.
1622 * testsuite/23_containers/map/requirements/explicit_instantiation/
1623 5.cc: Do not test allocator rebinding extension for C++2a.
1624 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1625 1_c++0x.cc: Remove redundant test.
1626 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1627 3.cc: Do not run test for C++2a.
1628 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1629 5.cc: Do not test allocator rebinding extension for C++2a.
1630 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1631 3.cc: Do not run test for C++2a.
1632 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1633 5.cc: Do not test allocator rebinding extension for C++2a.
1634 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
1635 Do not run test for C++2a.
1636 * testsuite/23_containers/set/requirements/explicit_instantiation/
1637 1_c++0x.cc: Remove redundant test.
1638 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
1639 Do not test allocator rebinding extension for C++2a.
1640 * testsuite/23_containers/unordered_map/requirements/
1641 explicit_instantiation/3.cc: Likewise.
1642 * testsuite/23_containers/unordered_map/requirements/
1643 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1645 * testsuite/23_containers/unordered_multimap/requirements/
1646 explicit_instantiation/3.cc: Do not run test for C++2a.
1647 * testsuite/23_containers/unordered_multimap/requirements/
1648 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1650 * testsuite/23_containers/unordered_multiset/requirements/
1651 explicit_instantiation/3.cc: Do not run test for C++2a.
1652 * testsuite/23_containers/unordered_multiset/requirements/
1653 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1655 * testsuite/23_containers/unordered_set/requirements/
1656 explicit_instantiation/3.cc: Do not run test for C++2a.
1657 * testsuite/23_containers/unordered_set/requirements/
1658 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1660 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1661 2.cc: Remove redundant test.
1662 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1663 3.cc: Do not run test for C++2a.
1664 * testsuite/23_containers/vector/requirements/explicit_instantiation/
1667 * include/std/type_traits (is_empty, is_polymorphic, is_final)
1668 (is_abstract, is_aggregate): Remove static_assert.
1669 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
1671 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
1672 missing -std=gnu++17 option.
1673 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
1674 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
1675 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
1678 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
1679 * testsuite/18_support/set_unexpected.cc: Likewise.
1680 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
1682 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
1683 function to be valid in C++11.
1684 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
1685 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
1686 include Library Fundamentals or Networking headers in C++11 mode.
1687 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
1689 * include/std/tuple (_TC): Replace with _TupleConstraints.
1690 (_TupleConstraints): New helper for SFINAE constraints, with more
1691 expressive member functions to reduce duplication when used.
1692 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
1693 (tuple::_TCC): Replace dummy type parameter with bool non-type
1694 parameter that can be used to check the pack size.
1695 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
1696 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
1697 checking constraints in constructors.
1698 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
1700 (tuple::tuple): Use new helpers to reduce repitition in constraints.
1701 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
1702 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
1703 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
1704 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
1705 constraints in constructors.
1706 (tuple::__is_alloc_arg()): New SFINAE helpers.
1707 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
1709 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
1710 * testsuite/20_util/tuple/cons/90700.cc: New test.
1711 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
1712 to meet new constraint on allocator-extended default constructor.
1714 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1716 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
1717 * include/bits/stl_multimap.h (multimap): Likewise.
1719 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
1721 Rename variables and cleanup comments.
1722 * include/bits/hashtable_policy.h
1723 * include/bits/hashtable.h
1725 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1727 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
1728 Fix bgcolor for P0340R3.
1729 * doc/html/*: Regenerate.
1732 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
1733 <experimental/memory_resource>.
1734 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
1735 P0339R6, P0340R3, P1164R1 and P1357R1.
1736 * doc/html/*: Regenerate.
1738 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
1739 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
1740 allocator::value_type assertion for C++2a.
1741 * include/bits/hashtable.h: Likewise.
1742 * include/bits/stl_deque.h: Likewise.
1743 * include/bits/stl_list.h: Likewise.
1744 * include/bits/stl_map.h: Likewise.
1745 * include/bits/stl_multimap.h: Likewise.
1746 * include/bits/stl_multiset.h: Likewise.
1747 * include/bits/stl_set.h: Likewise.
1748 * include/bits/stl_vector.h: Likewise.
1749 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
1750 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
1751 * testsuite/23_containers/list/48101-3_neg.cc: New test.
1752 * testsuite/23_containers/map/48101-3_neg.cc: New test.
1753 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
1754 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
1755 * testsuite/23_containers/set/48101-3_neg.cc: New test.
1756 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
1757 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
1758 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
1759 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
1760 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
1762 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
1764 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
1766 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1768 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
1770 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
1772 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
1774 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1776 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
1779 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
1780 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
1781 * libsupc++/eh_term_handler.h: New header defining
1782 _GLIBCXX_DEFAULT_TERM_HANDLER.
1783 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
1784 (set_terminate): Restore default handler when argument is null.
1785 (set_unexpected): Likewise.
1786 * testsuite/18_support/set_terminate.cc: New test.
1787 * testsuite/18_support/set_unexpected.cc: New test.
1789 * include/backward/hashtable.h (size_t, ptrdiff_t)
1790 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
1791 (distance, vector, pair, __iterator_category): Remove
1792 using-declarations that add these names to namespace __gnu_cxx.
1793 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
1794 * include/ext/debug_allocator.h (size_t): Likewise.
1795 * include/ext/functional (size_t, unary_function, binary_function)
1796 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
1798 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
1799 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
1800 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
1801 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
1802 * include/ext/numeric (iota): Fix outdated comment.
1803 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
1804 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
1805 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
1806 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
1807 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
1809 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
1810 (allocator, __true_type, __false_type): Likewise.
1812 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
1815 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
1816 New helpers for checking preconditions in traits.
1817 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
1818 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
1819 (is_destructible, is_nothrow_destructible, is_constructible)
1820 (is_default_constructible, is_copy_constructible)
1821 (is_move_constructible, is_nothrow_default_constructible)
1822 (is_nothrow_constructible, is_nothrow_copy_constructible)
1823 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
1824 (is_nothrow_assignable, is_nothrow_copy_assignable)
1825 (is_nothrow_move_assignable, is_trivially_constructible)
1826 (is_trivially_copy_constructible, is_trivially_move_constructible)
1827 is_trivially_assignable, is_trivially_copy_assignable)
1828 (is_trivially_move_assignable, is_trivially_destructible)
1829 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
1830 (is_invocable_r, is_nothrow_invocable)
1831 (has_unique_object_representations, is_aggregate): Add static_asserts
1832 to make sure that type traits are not misused with incomplete types.
1833 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
1834 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
1835 base characteristics without assertions that can be reused in other
1837 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
1838 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
1840 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
1841 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
1842 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
1843 * testsuite/20_util/is_class/value.cc: Check incomplete type.
1844 * testsuite/20_util/is_function/value.cc: Likewise.
1845 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
1846 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
1848 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
1849 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
1850 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1851 * testsuite/20_util/is_union/value.cc: Likewise.
1852 * testsuite/20_util/is_void/value.cc: Likewise.
1853 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
1855 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1857 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
1858 Add new private member function.
1859 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
1860 (random_device::_M_init_pretr1(const string&)): Call new private
1861 member with string data.
1862 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
1864 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
1865 test using COW strings.
1866 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
1867 a value from the device.
1868 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
1869 Fix typo in token string.
1871 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
1873 LWG2788 basic_string spurious use of a default constructible allocator
1874 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
1875 (basic_string::_M_replace_dispatch): Construct temporary string with
1876 the current allocator.
1877 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
1878 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
1880 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
1882 * doc/xml/manual/diagnostics.xml: Update list of headers that define
1884 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
1885 section about new/delete overloads. Improve section on verbose
1887 * doc/html/*: Regenerate.
1889 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
1890 P0811R3. Change status of P1353R0.
1891 * doc/html/*: Regenerate.
1893 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
1894 documentation of implementation-defined types for [thread.req.native].
1895 * doc/xml/manual/status_cxx2017.xml: Update documentation of
1896 implementation-defined strings for [variant.bad.access]. Fix typo in
1897 documentation of implementation-defined support for [fs.conform.9945].
1898 * doc/html/*: Regenerate.
1900 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
1903 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
1904 that fails on mingw-w64.
1907 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
1908 (status(const path&, error_code&)): Use parent_path() to remove
1910 (symlink_status(const path&, error_code&)): Duplicate workaround for
1911 bug in _wstat for paths with trailing slash.
1912 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
1913 with trailing slash.
1914 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
1915 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
1917 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
1918 once instead of building it iteratively.
1920 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
1922 PR libstdc++/85494 use rdseed and rand_s in std::random_device
1923 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
1924 the assembler supports rdseed.
1925 * config.h.in: Regenerate.
1926 * configure: Regenerate.
1927 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
1928 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
1929 * doc/html/*: Regenerate.
1930 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
1931 * include/bits/random.h (random_device::random_device()): Always call
1932 _M_init rather than _M_init_pretr1.
1933 (random_device::random_device(const string&)): Likewise.
1934 (random_device::operator()()): Always call _M_getval().
1935 (random_device::_M_file): Replace first member of union with an
1936 anonymous struct, with _M_file as its first member.
1937 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
1938 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
1939 (USE_MT19937): Define if none of the above are defined.
1940 (USE_POSIX_FILE_IO): Define.
1941 (_M_strtoul): Remove.
1942 [USE_RDSEED] (__x86_rdseed): Define new function.
1943 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
1944 (random_device::_M_init(const string&)): Initialize new union members.
1945 Add support for "rdseed" and "rand_s" tokens. Decide what the
1946 "default" token does according to which USE_* macros are defined.
1947 [USE_POSIX_FILE_IO]: Store a file descriptor.
1948 [USE_MT19937]: Forward to _M_init_pretr1 instead.
1949 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
1950 code from _M_strtoul.
1951 [!USE_MT19937]: Call _M_init, transforming the old default token or
1952 numeric tokens to "default".
1953 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
1954 (random_device::_M_getval()): Use new union members to obtain a
1955 random number from the stored function pointer or file descriptor.
1956 [USE_MT19937]: Obtain a value from the mt19937 engine.
1957 (random_device::_M_getval_pretr1()): Call _M_getval().
1958 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
1960 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
1961 * testsuite/26_numerics/random/random_device/85494.cc: New test.
1963 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
1966 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
1967 _M_split_cmpts() for a path with multiple components.
1968 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
1969 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
1970 components and reserve space in vector. Return early when there is
1972 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
1973 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
1975 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
1976 form of std::equals for C++11 compatibility.
1978 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
1980 * doc/xml/manual/appendix_contributing.xml: Update pointer to
1981 C++ standard at ansi.org.
1983 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
1985 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
1986 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
1989 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
1990 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
1992 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
1994 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
1996 * testsuite/20_util/function_objects/invoke/3.cc: New test.
1997 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
1998 "compile" test to "run".
2000 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
2001 * doc/html/*: Regenerate.
2002 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
2003 rvalue aliasing constructor.
2004 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
2005 (reinterpret_pointer_cast): Add overloads taking rvalues.
2006 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
2007 Add rvalue aliasing constructor.
2008 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
2009 "run" and check return values as well as types.
2010 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
2011 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
2012 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
2013 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
2016 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
2017 * doc/xml/manual/intro.xml: Likewise.
2018 * include/std/future (__create_task_state): Add default arguments
2019 to make providing an allocator optional.
2020 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
2021 instead of delegating to another constructor.
2022 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
2023 define allocator-extended constructors for C++17 and later.
2024 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
2026 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2027 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2028 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2030 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
2032 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
2033 Don't run the libstdc++/83237 part on simulator targets.
2035 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2037 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
2039 * doc/html/*: Regenerate.
2041 * include/experimental/any (__any_caster): Use RTTI if comparing
2042 addresses fails, to support non-unique addresses in shared libraries.
2043 * include/std/any (__any_caster): Likewise.
2046 * include/experimental/any (__any_caster): Constrain to only be
2047 callable for object types. Use remove_cv_t instead of decay_t.
2048 If the type decays or isn't copy constructible, compare the manager
2049 function to a dummy specialization.
2050 (__any_caster): Add overload constrained for non-object types.
2051 (any::_Manager_internal<_Op>): Add dummy specialization.
2052 * testsuite/experimental/any/misc/any_cast.cc: Test function types
2055 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
2058 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
2059 reversed arguments to uninitialized_copy_n.
2060 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
2061 is unchanged by copy assignment.
2062 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
2063 compare path components.
2066 * include/experimental/memory_resource: Add system header pragma and
2067 do not define anything unless compiled as C++14 or later.
2068 (__resource_adaptor_common::__guaranteed_alignment): Remove.
2069 (__resource_adaptor_imp::do_allocate): If the requested alignment
2070 is a fundamental alignment then either allocate directly from _M_alloc
2071 or call the new _M_allocate function.
2072 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
2073 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
2074 of the allocator rebound to a POD type with the specified alignment.
2075 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
2076 * testsuite/experimental/memory_resource/new_delete_resource.cc:
2077 Adjust expected allocation sizes.
2078 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
2079 xfail for Solaris x86.
2081 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
2083 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
2084 * include/pstl/execution_defs.h (__enable_if_execution_policy):
2085 Use std::__remove_cvref_t when building with GCC.
2087 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
2090 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2091 Use "additional_flags" to pass -ltbb to v3_target_compile command.
2092 Use check_v3_target_prop_cached to cache the result of the test.
2094 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
2096 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2099 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2100 Changed v3_target_compile check from preprocess to executable.
2101 Added "-ltbb" to v3_target_compile flags.
2103 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2105 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2106 Add check for Thread Building Blocks 2018 or later.
2108 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2110 * testsuite/experimental/names.cc: Only include Networking TS headers
2111 on targets with the necessary Gthreads support.
2113 2019-05-20 Marek Polacek <polacek@redhat.com>
2115 CWG 2094 - volatile scalars are trivially copyable.
2117 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
2118 result for volatile int.
2120 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2122 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
2123 * testsuite/experimental/names.cc: Include <experimental/filesystem>
2126 PR c++/90532 Ensure __is_constructible(T[]) is false
2127 * include/std/type_traits (__do_is_default_constructible_impl)
2128 (__is_default_constructible_atom, __is_default_constructible_safe):
2130 (is_default_constructible): Use is_constructible.
2131 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
2132 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
2133 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
2134 * testsuite/20_util/is_trivially_default_constructible/value.cc:
2137 2019-05-20 Pádraig Brady <pbrady@fb.com>
2139 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
2140 to the deallocator with -fsized-deallocation.
2142 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2144 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
2145 test by passing correct alignment to deallocate function.
2147 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
2150 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2151 Raise exception if unique_ptr tuple member has unknown structure.
2152 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
2153 Adjust worker to support new __uniq_ptr_data base class. Do not
2154 assume field called _M_head_impl is the first tuple element.
2156 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2158 * include/bits/stl_deque.h
2159 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
2160 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
2161 (_Deque_base::_Deque_impl_data): New.
2162 (_Deque_base::_Deque_impl): Inherit latter.
2163 (_Deque_base::_Deque_impl::_M_swap_data): Move...
2164 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
2165 (_Deque_base::_Deque_impl()): Add noexcept qualification.
2166 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
2167 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
2168 (deque<>::deque()): Default.
2169 (deque<>::deque(deque&&)): Default.
2170 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
2171 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
2172 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
2173 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
2174 _M_range_initialize.
2175 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
2176 (deque<>::resize(size_type, const value_type&)): Share a single
2178 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
2179 _M_range_insert_aux.
2180 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
2181 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
2182 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
2183 * testsuite/23_containers/deque/allocator/default_init.cc: New.
2185 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
2188 * include/std/variant (holds_alternative, get, get_if): Improve
2189 static assertion messages.
2190 (bad_variant_access::bad_variant_access()): Change default message.
2191 (__throw_bad_variant_access(bool)): New overload.
2192 (get): Use new overload.
2193 (visit, visit<R>): Improve exception message.
2195 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
2196 targets. Add more cases from P0608R3.
2197 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
2199 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
2200 * include/experimental/type_traits (is_detected_exact)
2201 (is_detected_exact_v): Likewise.
2202 * include/pstl/execution_defs.h (is_execution_policy)
2203 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
2204 * include/pstl/execution_impl.h (__policy_traits): Likewise.
2205 * testsuite/17_intro/names.cc: Check for more non-reserved names.
2206 * testsuite/experimental/names.cc: New test.
2209 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
2210 assertions from the destructor.
2211 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
2212 Move static_assert for hash function to here.
2213 (_Hash_table_base::_M_equals): Move static_assert for equality
2215 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
2217 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
2218 the value directly instead of calling _S_value.
2219 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
2220 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
2221 _S_key(_Const_Link_type).
2222 * testsuite/23_containers/set/85965.cc: Check construction,
2223 destruction, assignment and size() do not trigger the assertions.
2224 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
2225 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
2227 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2228 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
2229 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2230 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2231 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2232 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2233 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2235 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
2236 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
2239 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
2241 * doc/html/*: Regenerate.
2242 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
2243 of decay_t (P0777R1).
2245 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2247 Move from state of allocators (LWG2593)
2248 * include/bits/stl_deque.h
2249 (_Deque_base(_Deque_base&&, false_type)): Remove.
2250 (_Deque_base(_Deque_base&&, true_type)): Remove.
2251 (_Deque_base(_Deque_base&&)): Adapt.
2252 (_Deque_base::_M_move_impl()): Remove.
2253 * testsuite/util/testsuite_allocator.h
2254 (propagating_allocator(propagating_allocator&&)): Preserve move from
2256 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
2258 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
2260 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
2261 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
2262 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
2264 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
2266 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
2267 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
2269 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
2271 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
2273 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
2275 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
2277 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
2279 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
2281 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
2284 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
2286 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
2287 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
2289 * include/std/variant (__overload_set): Remove.
2291 (_Build_FUN): New class template to define a single FUN overload,
2292 with specializations to prevent unwanted conversions, as per P0608R3.
2293 (_Build_FUNs): New class template to build an overload set of FUN.
2294 (_FUN_type): New alias template to perform overload resolution.
2295 (__accepted_type): Use integer_constant base for failure case. Use
2296 _FUN_type for successful case.
2297 (variant::__accepted_index): Use _Tp instead of _Tp&&.
2298 (variant::variant(_Tp&&)): Likewise.
2299 (variant::operator=(_Tp&&)): Likewise.
2301 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
2302 Replace raw visitation with a runtime check for the valueless state
2303 and a non-raw visitor.
2304 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
2305 (variant::index()): Remove branch.
2306 (variant::swap(variant&)): Use valueless_by_exception() instead of
2307 comparing the index to variant_npos, and add likelihood attribute.
2309 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
2310 (_Hashtable_base::_Equal_hash_code): Define new class template.
2311 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
2314 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
2315 Replace with _M_get non-static member function.
2316 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
2318 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
2319 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
2321 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
2322 _S_get accessors for members in EBO helpers.
2323 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
2324 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
2326 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
2328 (_Hashtable_base::_M_eq()): Remove non-const overload.
2330 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
2332 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
2334 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2336 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
2339 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2341 * config/os/solaris/solaris2.10: Move to ...
2342 * config/os/solaris: ... this.
2343 * configure.host (os_include_dir): Adapt.
2344 (abi_baseline_pair): Remove Solaris 10 handling.
2345 * config/abi/post/i386-solaris2.10: Remove.
2346 * config/abi/post/sparc-solaris2.10: Remove.
2347 * config/abi/post/i386-solaris2.11: Rename to ...
2348 * config/abi/post/i386-solaris: ... this.
2349 * config/abi/post/sparc-solaris2.11: Rename to ...
2350 * config/abi/post/sparc-solaris: ... this.
2352 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
2355 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
2358 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2360 * include/std/variant (__visit_with_index): Remove typedef.
2361 (__deduce_visit_result): New tag type.
2362 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
2363 visitation of possibly-valueless variants, forwarding to __do_visit
2364 with the relevant tag type.
2365 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
2366 and make lambda return void.
2367 (__variant_construct): Likewise.
2368 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
2369 __raw_idx_visit and make lambda return void.
2370 (_Multi_array::__untag_result): Add metafunction to check the function
2371 pointer type for a tag type that dictates the kind of visitation.
2372 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
2373 Use decltype(auto) instead of tagged function pointer type.
2374 (__gen_vtable_impl): Remove bool non-type parameter and unused
2375 _Variant_tuple parameter.
2376 (__gen_vtable_impl::__visit_invoke_impl): Remove.
2377 (__gen_vtable_impl::__do_visit_invoke): Remove.
2378 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
2379 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
2380 for the visit<R> case, rather than dispatching to separate functions.
2381 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
2383 (variant::swap): Likewise.
2384 (__do_visit): Replace two non-type template parameters with a single
2385 type parameter, so that the caller must specify the visitor's return
2386 type (or one of the tag types).
2387 (visit): Deduce a return type from the visitor and use the
2388 __deduce_visit_result tag to enforce that all overloads return the
2390 (visit<R>): Call __do_visit<R> with explicit result type.
2391 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
2394 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2396 nonesuch is insufficiently useless (lwg2996)
2397 * include/std/type_traits (struct __nonesuch): Added private base
2398 class to make __nonesuch not an aggregate and removed deleted default
2400 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
2401 (operator=(const pair&)): Use __nonesuch instead of
2402 __nonesuch_no_braces.
2403 (operator=(pair&&)): Likewise
2404 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
2405 of __nonesuch_no_braces.
2406 (operator=(tuple&&)): Likewise
2407 * include/experimental/type_traits (struct nonesuch): Added private
2408 base class to make nonesuch not an aggregate and removed deleted
2409 default constructor.
2410 * testsuite/20_util/nonesuch/nonesuch.cc: New.
2411 * testsuite/experimental/type_traits/nonesuch.cc: New.
2413 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2415 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
2416 (_Function_handler): Remove partial specializations for void return
2417 types and pointers to member.
2418 (_Function_handler::_M_manager): Adapt to removal of
2419 _Simple_type_wrapper.
2420 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
2421 * include/std/functional (_Bind_result::__enable_if_void)
2422 (_Bind_result::__disable_if_void): Remove sfinae helpers.
2423 (_Bind_result::__call): Use __invoke_r and remove overloads for void
2425 * include/std/future (__future_base::_Task_state::_M_run)
2426 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
2427 change return type of lambda expressions.
2429 * include/bits/invoke.h (__invoke_r): Define new function implementing
2430 the INVOKE<R> pseudo-function.
2431 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
2432 * testsuite/20_util/function_objects/invoke/2.cc: New test.
2434 * include/std/type_traits (__is_nt_convertible_helper): Define it
2435 unconditionally, not only for C++20.
2436 (__is_nothrow_convertible): Define internal trait for use in C++11.
2437 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
2438 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
2439 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
2440 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
2441 that has nothrow explicit conversion but potentially-throwing implicit
2443 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
2444 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
2445 function to only consider implicit conversions.
2446 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
2448 * include/std/iterator: Include <iosfwd> instead of <istream> and
2451 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
2452 Remove unused, non-standard function.
2454 * include/bits/regex.h (match_results::max_size()): Adjust return
2455 value to account for prefix/suffix/unmatched subs.
2456 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
2457 reset the contained sub matches.
2458 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
2459 function to set result state following a failed match.
2460 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
2461 sub_match states after _M_resize. Use _M_establish_failed_match.
2464 * include/std/thread (thread::_State_impl, thread::_S_make_state):
2465 Replace single _Callable parameter with variadic _Args pack, to
2466 forward them directly to the tuple of decayed copies.
2467 * testsuite/30_threads/thread/cons/69724.cc: New test.
2469 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2471 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
2472 * include/bits/basic_string.h: (operator=(const basic_string&):
2473 Move allocator decision to assign.
2474 (assign(const basic_string&)): Move allocator decision here.
2475 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
2477 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
2480 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2482 * testsuite/util/testsuite_allocator.h (memory_resource)
2483 (default_resource_mgr): Fix indentation.
2485 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
2486 Use operator-> to access raw pointer member.
2487 * testsuite/23_containers/vector/59829.cc: Likewise.
2488 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
2489 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
2490 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
2492 (PointerBase, PointerBase_void): Derive from NullablePointer and use
2493 its constructors and equality operators. Change converting
2494 constructors to use operator-> to access private member of the other
2496 (PointerBase_void::operator->()): Add, for access to private member.
2497 (operator-(PointerBase, PointerBase)): Change to hidden friend.
2498 (operator==(PointerBase, PointerBase)): Remove.
2499 (operator!=(PointerBase, PointerBase)): Remove.
2501 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
2502 not assume field called _M_head_impl is the first tuple element.
2503 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
2504 implementation more accurate.
2505 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
2506 empty pointer type and non-empty deleter.
2508 LWG 2899 - Make is_move_constructible correct for unique_ptr
2509 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
2510 move assignment operator.
2511 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
2512 (__uniq_ptr_data): New class template with conditionally deleted
2514 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
2515 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
2516 constructor and move assignment operator as defaulted.
2517 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
2518 __uniq_ptr_impl::release().
2519 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
2520 to __uniq_ptr_impl::reset(pointer).
2521 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2522 Check for new __uniq_ptr_data type.
2523 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
2525 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2527 PR libstdc++/90454.cc path construction from void*
2528 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
2529 pointers to void are rejected as well as void.
2530 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
2531 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
2533 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
2535 * doc/xml/manual/policy_data_structures.xml: Comment out stray
2536 <remark> elements. Fix formatting of bibliography references.
2538 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
2540 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
2542 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2544 Remove Profile Mode, deprecated since 7.1.0
2545 * doc/Makefile.am: Remove XML file for profile mode docs.
2546 * doc/Makefile.in: Regenerate.
2547 * doc/xml/authors.xml: Remove authors of profile mode docs.
2548 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
2550 * doc/xml/manual/debug.xml: Likewise.
2551 * doc/xml/manual/evolution.xml: Document removal of profile mode.
2552 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
2553 * doc/xml/manual/spine.xml: Remove profile mode author credit.
2554 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
2556 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
2558 * doc/html/*: Regenerate.
2559 * include/Makefile.am: Remove profile mode headers.
2560 * include/Makefile.in: Regenerate.
2561 * include/bits/c++config (std::__profile): Remove namespace.
2562 [_GLIBCXX_PROFILE]: Remove checks for macro.
2563 * include/profile/array: Remove.
2564 * include/profile/base.h: Remove.
2565 * include/profile/bitset: Remove.
2566 * include/profile/deque: Remove.
2567 * include/profile/forward_list: Remove.
2568 * include/profile/impl/profiler.h: Remove.
2569 * include/profile/impl/profiler_algos.h: Remove.
2570 * include/profile/impl/profiler_container_size.h: Remove.
2571 * include/profile/impl/profiler_hash_func.h: Remove.
2572 * include/profile/impl/profiler_hashtable_size.h: Remove.
2573 * include/profile/impl/profiler_list_to_slist.h: Remove.
2574 * include/profile/impl/profiler_list_to_vector.h: Remove.
2575 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
2576 * include/profile/impl/profiler_node.h: Remove.
2577 * include/profile/impl/profiler_state.h: Remove.
2578 * include/profile/impl/profiler_trace.h: Remove.
2579 * include/profile/impl/profiler_vector_size.h: Remove.
2580 * include/profile/impl/profiler_vector_to_list.h: Remove.
2581 * include/profile/iterator_tracker.h: Remove.
2582 * include/profile/list: Remove.
2583 * include/profile/map: Remove.
2584 * include/profile/map.h: Remove.
2585 * include/profile/multimap.h: Remove.
2586 * include/profile/multiset.h: Remove.
2587 * include/profile/ordered_base.h: Remove.
2588 * include/profile/set: Remove.
2589 * include/profile/set.h: Remove.
2590 * include/profile/unordered_base.h: Remove.
2591 * include/profile/unordered_map: Remove.
2592 * include/profile/unordered_set: Remove.
2593 * include/profile/vector: Remove.
2594 * scripts/run_doxygen: Do not process profile mode headers.
2595 * testsuite/23_containers/array/element_access/60497.cc: Don't use
2597 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
2598 Remove dg-skip-if for profile mode.
2599 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
2600 preprocessor check for profile mode.
2601 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
2602 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
2604 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
2606 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
2607 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
2608 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
2609 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
2610 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
2612 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
2614 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
2616 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
2618 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
2619 preprocessor check for profile mode.
2620 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
2622 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
2623 Remove dg-skip-if for profile mode.
2624 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
2625 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
2626 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
2627 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
2628 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
2629 * testsuite/Makefile.am: Remove profile_flags variable and
2630 * testsuite/Makefile.am: Remove profile_flags variable and
2631 check-profile target.
2632 * testsuite/Makefile.in: Regenerate.
2633 * testsuite/ext/profile/all.cc: Remove.
2634 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
2635 * testsuite/ext/profile/profiler_algos.cc: Remove.
2636 * testsuite/ext/profile/replace_new.cc: Remove.
2637 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
2638 preprocessor check for profile mode.
2639 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2640 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
2641 (check_v3_target_normal_mode): Do not check for profile mode macro.
2642 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
2644 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
2645 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
2646 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2647 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
2648 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
2649 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2650 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
2651 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2652 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2653 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
2655 Remove array_allocator extension, deprecated since 4.9.0
2656 * doc/xml/manual/allocator.xml: Remove documentation for
2658 * doc/xml/manual/evolution.xml: Document array_allocator removal.
2659 * doc/xml/manual/using.xml: Remove header from documentation.
2660 * include/Makefile.am: Remove <ext/array_allocator.h> header.
2661 * include/Makefile.in: Regenerate.
2662 * include/ext/array_allocator.h: Remove.
2663 * include/precompiled/extc++.h: Do not include removed header.
2664 * testsuite/ext/array_allocator/1.cc: Remove.
2665 * testsuite/ext/array_allocator/2.cc: Remove.
2666 * testsuite/ext/array_allocator/26875.cc: Remove.
2667 * testsuite/ext/array_allocator/3.cc: Remove.
2668 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
2669 * testsuite/ext/array_allocator/check_delete.cc: Remove.
2670 * testsuite/ext/array_allocator/check_new.cc: Remove.
2671 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
2672 * testsuite/ext/headers.cc: Do not include removed header.
2674 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
2676 * include/bits/stl_bvector.h
2677 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2679 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2681 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2683 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2685 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2687 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2689 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2691 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
2693 (_Bit_iterator::operator-(difference_type)): Likewise.
2694 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
2695 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
2697 (_Bit_const_iterator::operator-(difference_type)): Likewise.
2698 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
2700 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
2703 * testsuite/util/thread/all.h: Do not use remove_pointer for
2704 std::thread::native_handle_type.
2707 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
2708 (_Variant_storage<true, Types...>::_M_reset()))
2709 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
2710 (__get_storage): Likewise.
2711 (variant): Add noexcept to friend declarations for __get and
2715 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
2716 Use _Require for constraints.
2717 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
2719 (__uniq_ptr_hash): New base class with conditionally-disabled call
2721 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
2722 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
2723 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
2725 * include/bits/shared_ptr.h: Improve docs.
2726 * include/bits/shared_ptr_base.h: Likewise.
2727 * include/bits/stl_uninitialized.h: Likewise.
2728 * include/bits/unique_ptr.h: Likewise.
2729 * libsupc++/new: Likewise.
2731 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
2733 * include/bits/stl_deque.h
2734 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2736 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2738 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2740 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2742 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2744 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2746 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
2748 (_Deque_iterator<>::operator-(difference_type)): Likewise.
2750 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
2753 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
2754 (test01): Reserve for number of insertions to avoid rehash during test.
2755 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
2757 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
2762 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
2764 * include/experimental/bits/fs_path.h: Improve docs.
2765 * include/experimental/bits/net.h: Fix wrong header name in comment.
2766 Do not document implementation details.
2767 * include/experimental/netfwd: Fix doxygen grouping.
2769 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
2771 * include/bits/stl_pair.h: Improve docs.
2772 * include/std/tuple: Likewise.
2774 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
2776 * include/std/chrono: Improve docs.
2777 * include/std/ratio: Do not document implementation details.
2778 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
2780 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
2783 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
2784 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
2785 (__duration_common_type): New helper.
2786 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
2787 __duration_common_type.
2788 (__timepoint_common_type_wrapper): Replace with ...
2789 (__timepoint_common_type): New helper.
2790 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
2791 Use __time_point_common_type.
2792 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
2793 (__common_type_impl): If either argument is transformed by decay,
2794 use the common_type of the decayed types.
2795 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
2796 decayed, use __do_common_type_impl to get the common_type.
2797 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
2798 (__do_member_type_wrapper, __member_type_wrapper)
2799 (__expanded_common_type_wrapper): Remove.
2800 (__common_type_pack, __common_type_fold): New helpers.
2801 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
2802 __member_type_wrapper and __expanded_common_type_wrapper.
2803 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
2804 Test zero-length template argument list.
2805 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
2806 Test single argument cases and argument types that should decay.
2807 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
2808 Adjust expected error.
2809 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
2811 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2812 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2813 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2815 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
2817 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
2819 Make allocator propagation more consistent for
2820 operator+(basic_string) (P1165R1)
2821 * include/bits/basic_string.h
2822 (operator+(basic_string&&, basic_string&&): Changed resulting
2823 allocator to always be the one from the first parameter.
2824 * include/bits/basic_string.tcc
2825 (operator+(const _CharT*, const basic_string&)): Changed
2826 resulting allocator to be SOCCC on the second parameter's allocator.
2827 (operator+(_CharT, const basic_string&)): Likewise.
2828 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
2830 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
2833 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
2835 * include/bits/regex.h: Improve docs.
2836 * include/bits/regex.tcc: Do not document implementation details.
2838 * testsuite/19_diagnostics/error_code/hash.cc: New test.
2840 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
2842 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2843 Add type printer for container types in std::__debug namespace.
2844 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
2845 (gdb-tests): Use distinct parameters for the type of test and use of
2847 (gdb-test): Check for regex test even if 'whatis' test.
2848 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
2850 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
2851 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2852 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2853 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
2854 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2855 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2856 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
2858 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
2860 * include/std/system_error (error_category): Fix comment.
2863 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
2864 argument is an empty path.
2865 (absolute(const path&, error_code&)): Use invalid_argument as error
2866 code instead of no_such_file_or_directory.
2867 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
2868 of non-existent paths and empty paths with both overloads of absolute.
2870 * include/std/system_error (error_category, error_code)
2871 (error_condition): Improve docs.
2872 * libsupc++/exception: Add missing @addtogroup Doxygen command.
2873 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
2874 to class documentation. Suppress documentation for implementation
2876 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
2877 Suppress documentation for implementation details.
2879 * include/std/system_error (error_code): Remove friend declaration
2880 for hash<error_code>.
2881 (hash<error_code>::operator()): Use public member functions to access
2883 (hash<error_condition>::operator()): Use address of category, not
2884 its object representation.
2885 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
2886 Use public member functions to access value and category.
2887 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
2889 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
2891 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
2892 * include/bits/hashtable_policy.h
2893 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
2894 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
2895 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
2896 smaller than input value rather than always greater. Preserve
2897 _M_next_resize if called with 0 input. Use __builtin_floorl.
2898 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
2899 elements + number of insertions is greater than _M_next_resize. Start
2900 with 11 buckets if not told otherwise. Use __builtin_floorl.
2901 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
2902 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
2903 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
2904 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
2905 told otherwise. Use __builtin_floorl.
2906 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
2907 to also validate _Power2_rehash_policy.
2908 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
2911 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
2914 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
2918 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
2919 overflow warning with -Wpedantic -Wsystem-headers.
2921 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
2924 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
2925 * include/bits/move.h (swap): Remove extra parentheses.
2927 * include/experimental/bits/lfts_config.h: Improve doc markup.
2928 * include/experimental/optional: Improve docs.
2929 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
2930 (__constexpr_addressof): Remove.
2931 (optional::operator->()): Use std::__addressof().
2932 * include/std/optional (optional::operator->()): Adjust whitespace.
2933 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
2934 that operator-> is still constexpr with overloaded operator&. Change
2935 to compile-only test.
2936 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
2939 * include/bits/shared_ptr.h: Improve docs.
2940 * include/bits/shared_ptr_atomic.h: Likewise.
2941 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
2943 * include/bits/basic_string.h: Fix iterator/index confusion in
2945 * include/bits/range_access.h: Fix Doxygen warnings.
2946 * include/bits/refwrap.h: Do not document implementation details.
2947 (ref, cref): Group docs with reference_wrapper.
2948 * include/std/fstream: Fix Doxygen markup.
2949 * libsupc++/initializer_list (begin, end): Group docs with
2952 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
2954 * include/bits/unique_lock.h: Fix/improve doxygen markup.
2955 * include/std/mutex: Likewise.
2956 * include/std/shared_mutex: Likewise.
2958 * include/bits/fs_dir.h: Fix/improve doxygen markup.
2959 * include/bits/fs_fwd.h: Likewise.
2960 * include/bits/fs_ops.h: Likewise.
2961 * include/bits/fs_path.h: Likewise.
2962 * include/std/filesystem: Likewise.
2964 * include/experimental/bits/net.h: Fix/improve doxygen markup.
2965 * include/experimental/buffer: Likewise.
2966 * include/experimental/executor: Likewise.
2967 * include/experimental/internet: Likewise.
2968 * include/experimental/io_context: Likewise.
2969 * include/experimental/net: Likewise.
2970 * include/experimental/netfwd: Likewise.
2971 * include/experimental/socket: Likewise.
2972 * include/experimental/timer: Likewise.
2974 * doc/doxygen/doxygroups.cc: Move description of experimental group
2976 * include/experimental/algorithm: Add to libfund-ts doc group.
2977 * include/experimental/any: Likewise. Do not document implementation
2979 * include/experimental/array: Add to libfund-ts doc group.
2980 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
2981 for Library Fundamentals.
2982 * include/experimental/chrono: Add to libfund-ts doc group.
2983 * include/experimental/deque: Likewise.
2984 * include/experimental/forward_list: Likewise.
2985 * include/experimental/functional: Likewise.
2986 * include/experimental/iterator: Likewise.
2987 * include/experimental/list: Likewise.
2988 * include/experimental/map: Likewise.
2989 * include/experimental/memory: Likewise.
2990 * include/experimental/memory_resource: Likewise. Improve docs.
2992 * include/experimental/numeric: Add to libfund-ts doc group.
2993 * include/experimental/optional: Likewise.
2994 * include/experimental/propagate_const: Likewise.
2995 * include/experimental/random: Likewise.
2996 * include/experimental/ratio: Likewise.
2997 * include/experimental/regex: Likewise.
2998 * include/experimental/set: Likewise.
2999 * include/experimental/source_location: Likewise.
3000 * include/experimental/string: Likewise.
3001 * include/experimental/string_view: Likewise.
3002 * include/experimental/system_error: Likewise.
3003 * include/experimental/tuple: Likewise.
3004 * include/experimental/type_traits: Likewise.
3005 * include/experimental/unordered_map: Likewise.
3006 * include/experimental/unordered_set: Likewise.
3007 * include/experimental/utility: Likewise.
3008 * include/experimental/vector: Likewise.
3009 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
3010 * testsuite/experimental/array/neg.cc: Adjust dg-error.
3011 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
3013 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
3014 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
3015 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
3016 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
3017 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
3019 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
3020 * include/experimental/bits/fs_fwd.h: Improve docs.
3021 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
3022 * include/experimental/bits/fs_path.h: Likewise.
3023 (path, filesystem_error, u8path): Improve docs.
3024 * include/experimental/filesystem: Link to docs for TS.
3026 * config/allocator/new_allocator_base.h (__allocator_base): Add
3027 workaround for Doxygen bug #6945.
3028 * include/std/memory: Improve docs. Define group for pointer safety.
3029 * include/std/scoped_allocator: Improve docs. Use "undocumented"
3030 conditional to suppress documentation for implementation details.
3032 * include/bits/specfun.h: Improve docs.
3033 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
3036 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
3037 (std::experimental): Add docs.
3038 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
3039 namespace to nothing when generating docs.
3040 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
3041 * include/std/chrono (std::chrono): Likewise.
3042 * include/std/functional (std::placeholders): Likewise.
3043 * include/std/thread (std::this_thread): Likewise.
3045 * include/parallel/settings.h: Fix Doxygen markup.
3047 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
3048 anything unless PB_DS_CLASS_C_DEC is defined.
3049 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
3050 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
3051 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
3052 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
3053 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
3054 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
3055 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
3057 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
3058 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
3059 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
3060 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
3061 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
3062 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
3063 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
3064 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
3065 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
3066 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
3067 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
3069 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
3070 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
3072 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
3075 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
3076 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
3077 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
3080 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3082 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
3083 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
3084 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
3085 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
3086 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
3087 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3089 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
3090 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3093 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
3096 * include/std/complex (__complex_proj): Return parameter unchanged.
3097 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
3098 floating-point types to take std::complex arguments.
3099 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
3100 floating-point types.
3101 * testsuite/26_numerics/complex/proj.cc: New test.
3103 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3105 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
3106 to _Lock_policyE[012].
3107 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3109 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
3111 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
3112 macros accidentally left in.
3113 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
3114 unnecessary -lstdc++fs option. Fix test for mingw.
3115 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3118 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3120 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3122 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
3124 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
3126 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
3127 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
3130 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
3132 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
3135 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
3136 class template and partial specialization.
3139 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
3141 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
3142 functions to convert a value to an integral type.
3143 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
3144 (fill_n): Convert _Size parameter to an integral type.
3145 * testsuite/25_algorithms/fill_n/87982.cc: New test.
3146 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
3147 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
3148 * testsuite/25_algorithms/generate_n/87982.cc: New test.
3149 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
3150 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
3152 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
3154 Adding noexcept-specification on tuple constructors (LWG 2899)
3155 * libstdc++-v3/include/std/tuple:
3156 (tuple()): Add noexcept-specification.
3157 (tuple(const _Elements&...)): Likewise
3158 (tuple(_UElements&&...)): Likewise
3159 (tuple(const tuple<_UElements...>&)): Likewise
3160 (tuple(tuple<_UElements...>&&)): Likewise
3161 (tuple(const _T1&, const _T2&)): Likewise
3162 (tuple(_U1&&, _U2&&)): Likewise
3163 (tuple(const tuple<_U1, _U2>&): Likewise
3164 (tuple(tuple<_U1, _U2>&&): Likewise
3165 (tuple(const pair<_U1, _U2>&): Likewise
3166 (tuple(pair<_U1, _U2>&&): Likewise
3167 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
3169 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
3172 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
3173 arguments with __restrict.
3175 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
3177 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3179 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
3181 * include/experimental/bits/fs_path.h
3182 (path::_S_convert_loc<_InputIterator>): Create const std::string to
3183 avoid redundant call to _S_convert_loc with non-const pointers.
3185 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
3186 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
3187 * testsuite/21_strings/basic_string/hash/hash.cc
3188 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
3189 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
3190 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
3192 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
3193 wstring::_M_replace_dispatch with more specific patterns.
3194 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
3195 Create const std::string to avoid redundant call to _S_convert_loc
3196 with non-const pointers.
3197 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
3198 avoid unnecessary basic_string::assign instantiations.
3200 * include/std/memory (__uses_alloc_args): Add string-literal to
3201 static_assert, to match the one in __uses_alloc.
3202 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
3203 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
3204 for recursive uses-allocator construction of nested pairs.
3205 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
3208 2019-04-26 Jakub Jelinek <jakub@redhat.com>
3210 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3211 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3212 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
3213 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
3215 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3216 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3217 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
3218 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3219 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3220 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3221 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3223 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
3226 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
3227 * include/std/scoped_allocator [__cplusplus > 201703L]
3228 (scoped_allocator_adaptor::construct): Define in terms of
3229 uses_allocator_construction_args, as per P0591R4.
3230 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
3231 * testsuite/util/testsuite_allocator.h: Remove name of unused
3234 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
3236 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
3237 * doc/html/*: Regenerate.
3239 * include/bits/fs_path.h (operator<, operator<=, operator>)
3240 (operator>=, operator==, operator!=): Make hidden friends, as per
3242 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
3243 string type in test.
3244 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3246 * include/std/any (any::any(ValueType&&)): Use __and_v.
3247 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
3250 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
3252 * include/std/type_traits (__result_of_memfun): Use remove_reference
3253 instead of __remove_cvref_t and remove redundant is_same check.
3254 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
3256 * include/experimental/string_view (basic_string_view::pointer)
3257 (basic_string_view::reference): Fix to refer to non-const value_type.
3258 * include/bits/basic_string.h (basic_string): Use __sv_check and
3259 __sv_limit instead of basic_string_view::_M_check and
3260 basic_string_view::_M_limit.
3261 * include/std/string_view (__sv_check, __sv_limit): New
3262 helper functions to replace basic_string_view::_M_check and
3263 basic_string_view::_M_limit.
3264 (basic_string_view): Add static assertions to enforce ill-formed
3265 requirement for traits_type::char_type from P1148R0, and to enforce
3266 required properties of char-like types.
3267 (basic_string_view::pointer, basic_string_view::reference): Fix to
3268 refer to non-const value_type.
3269 (basic_string_view::operator[], basic_string_view::at)
3270 (basic_string_view::front, basic_string_view::back)
3271 (basic_string_view::data): Use const_reference and const_pointer
3272 typedefs for return types.
3273 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
3274 (hash<wstring_view>): Fix argument_type typedef.
3275 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3276 char/1.cc: Fix expected return type of basic_string_view::data().
3277 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3278 wchar_t/1.cc: Likewise.
3279 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3280 char/1.cc: Likewise.
3281 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3282 wchar_t/1.cc: Likewise.
3283 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
3285 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
3286 Check reference and pointer typedefs.
3287 * testsuite/experimental/string_view/requirements/typedefs.cc:
3289 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
3290 Fix expected return type of basic_string_view::data().
3291 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
3293 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
3295 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
3299 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
3300 Avoid a runtime check for types that can never be stored in std::any.
3301 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3304 PR libstdc++/90220 (partial)
3305 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
3306 not attempt ill-formed static_cast to pointers to non-object types.
3307 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3310 * testsuite/20_util/variant/run.cc: Catch exception by reference to
3311 prevent -Wcatch-value warning.
3313 * include/std/variant (__variant_construct): Use template parameter
3314 type instead of equivalent decltype-specifier.
3315 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
3316 Replace forward with move.
3317 (_Move_ctor_base<false, Types...>::_M_destructive_move)
3318 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
3319 (_Move_ctor_base<true, Types...>::_M_destructive_move)
3320 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
3321 index after construction succeeds.
3322 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
3323 if-constexpr checks that are always true. Use __remove_cvref_t instead
3324 of remove_reference so that is_nothrow_move_constructible check
3325 doesn't use a const rvalue parameter. In the potentially-throwing case
3326 construct a temporary and move assign it, as per LWG 2904.
3327 (_Move_assign_base<false, Types...>::operator=): Remove redundant
3328 if-constexpr checks that are always true. Use emplace as per LWG 2904.
3329 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
3330 construct a temporary and move assign from it, as per LWG 2904.
3331 * testsuite/20_util/variant/exception_safety.cc: Check that
3332 assignment operators have strong exception safety guarantee.
3334 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
3336 Document PSTL linker flags
3338 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
3340 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3342 * include/std/variant (__detail::__variant::_Traits): Make
3343 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
3344 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
3346 (__detail::__variant::_Copy_assign_alias): Only depend on
3347 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
3348 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
3349 move assignment operators.
3352 * include/std/variant (variant::__not_self): New helper for the
3353 is_same_v<remove_cvref_t<T>, variant>==false constraints.
3354 (variant::__to_type_impl): Remove.
3355 (variant::__to_type): Add default argument to check pack size, instead
3356 of using __to_type_impl.
3357 (variant::__accepted_type): Add default argument using __not_self.
3358 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
3359 for variant(T&&) constructor constraint.
3360 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
3361 Extract __accepted_type into a named template parameter for reuse in
3362 other constraints and in the exception specification.
3363 (variant::variant(in_place_type_t<T>, Args&&...))
3364 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
3365 (variant::variant(in_place_index_t<T>, Args&&...))
3366 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
3367 (variant::operator=T&&)): Remove redundant && from trait arguments.
3368 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
3369 isn't used for in_place_type or in_place_index arguments.
3371 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
3372 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
3373 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
3375 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3376 Bernd Edlinger <bernd.edlinger@hotmail.de>
3377 Jakub Jelinek <jakub@redhat.com>
3380 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
3381 general-regs-only target attribute for ARM.
3383 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3386 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
3387 specialization also depend on is_nothrow_move_constructible.
3388 * include/std/variant (__detail::__variant::__never_valueless()):
3389 Only true if the variant would have a move assignment operator.
3390 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
3391 Check __never_valueless<T...>().
3392 (variant::emplace): Only perform non-throwing move assignments
3393 for never-valueless alternatives if the variant has a move assignment
3395 * testsuite/20_util/variant/compile.cc: Check that never-valueless
3396 types can be emplaced into non-assignable variants.
3397 * testsuite/20_util/variant/run.cc: Check that never-valueless types
3398 don't get copied when emplaced into non-assignable variants.
3400 * include/std/variant (__detail::__variant::__ref_cast): Remove
3402 (__detail::__variant::_Uninitialized::_M_get)
3403 (__detail::__variant::__get)
3404 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
3406 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
3408 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
3410 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
3411 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
3412 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
3413 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
3415 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3417 Delegate PSTL configuration to pstl/pstl_config.h
3419 * include/bits/c++config: Remove explicit PSTL configuration
3420 macros and use definitions from <pstl/pstl_config.h>.
3422 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3424 Cleanup algorithm implementations
3425 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
3427 (mismatch): Forward execution policy.
3428 (equal): Qualify call to std::equal().
3429 (partial_sort): Forward execution policy.
3430 (inplace_merge): Forward execution policy.
3432 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
3434 Improve implementation of parallel equal()
3435 * include/pstl/algorithm_impl.h
3436 (__internal::__brick_equal): use "4 iterator" version of
3438 (__internal::__brick_equal): use simd for random access
3439 iterators on unsequenced execution policies.
3440 (__internal::__pattern_equal): add "4 iterator" version
3441 (__internal::__pattern_equal): dispatch to simd __brick_equal
3442 for vector-only execution policies.
3443 (__internal::__pattern_equal): dispatch to __parallel_or for
3444 parallel execution policies.
3445 * include/pstl/glue_algorithm_impl.h
3446 (std::equal): dispatch to "4 iterator" version of
3447 __internal::__pattern_equal().
3449 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
3452 * include/bits/forward_list.h (operator==): Do not use operator!= to
3454 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
3455 earlier in the list, so that sort is stable.
3456 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
3457 * testsuite/23_containers/forward_list/comparable.cc: Test with
3458 types that meet the minimum EqualityComparable and LessThanComparable
3459 requirements. Remove irrelevant comment.
3461 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
3462 Do not depend on whether all alternative types are move constructible.
3463 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
3464 from the operand when deciding whether to perform the assignment.
3465 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
3466 with deleted move constructor and deleted move assignment operator.
3467 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
3468 behaviour of variants with DeletedMoves as an alternative.
3469 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
3470 (move_ctor, move_assign): Check that moving a variant with a
3471 DeletedMoves alternative falls back to copying instead of moving.
3473 * testsuite/20_util/variant/compile.cc: Remove empty string literals
3474 from static_assert declarations.
3476 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
3477 actually match its name.
3478 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
3479 (test_swap()): Fix result for MoveCtorOnly and check
3480 MoveCtorAndSwapOnly.
3482 * include/std/optional (optional::value_or(U&&) &&): Add missing
3483 constexpr specifier.
3484 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
3485 for disengaged optionals and rvalue optionals.
3486 * testsuite/20_util/optional/observers/4.cc: Likewise.
3488 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
3490 * include/pstl/algorithm_impl.h: Uglify identfiers.
3491 * include/pstl/numeric_impl.h: Uglify identfiers.
3492 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
3494 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
3496 * include/bits/c++config:
3497 Add definition for __PSTL_ASSERT.
3498 Add definition for __PSTL_ASSERT_MSG.
3499 * include/pstl/algorithm_impl.h: Replace use of assert().
3500 * include/pstl/numeric_impl.h: Replace use of assert().
3501 * include/pstl/parallel_backend_tbb.h:
3502 Replace use of assert().
3503 Replace use of __TBB_ASSERT().
3504 * include/pstl/parallel_backend_utils.h: Replace use of assert().
3506 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
3509 * src/c++17/memory_resource.cc
3510 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
3511 needed to allow placing a _Chunk at the end of the buffer.
3512 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
3514 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
3516 * doc/xml/faq.xml: Add information about emergency EH pool.
3517 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
3518 Move outdated information on mt_allocator to a separate section.
3519 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
3520 doesn't affect the default allocator.
3522 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
3526 * testsuite/20_util/variant/89851.cc: New test.
3528 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
3530 * include/std/variant: Adjust whitespace. Add comments.
3531 (_Multi_array): Leave primary template undefined.
3532 (_Multi_array<_Tp>): Define partial specialization for base case of
3534 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
3535 which is always a reference.
3536 (__gen_vtable::_S_apply()): Remove function, inline body into
3537 default member initializer.
3538 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
3540 * include/std/variant (__variant_idx_cookie): Add member type.
3541 (__visitor_result_type): Remove.
3542 (__do_visit): Use invoke_result instead of __visitor_result_type.
3543 * testsuite/20_util/variant/visit.cc: New test.
3546 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
3548 * testsuite/20_util/variant/90008.cc: New test.
3550 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
3552 * include/pstl/algorithm_impl.h: Add namespace qualification.
3553 * include/pstl/execution_defs.h: Add namespace qualification.
3554 * include/pstl/execution_impl.h: Add namespace qualification.
3555 * include/pstl/numeric_impl.h: Add namespace qualification.
3556 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
3557 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
3558 * include/pstl/parallel_backend_utils.h: Include <cassert>.
3560 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
3562 Fix visit<R> for variant.
3563 * include/std/variant (__do_visit): Add a template parameter
3564 for enforcing same return types for visit.
3565 (__gen_vtable_impl): Likewise.
3566 (_S_apply_single_alt): Adjust.
3567 (__visit_invoke_impl): New. Handle casting to void.
3568 (__do_visit_invoke): New. Enforces same return types.
3569 (__do_visit_invoke_r): New. Converts return types.
3570 (__visit_invoke): Adjust.
3571 (__gen_vtable): Add a template parameter for enforcing
3572 same return types for visit.
3573 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
3574 different return types.
3575 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
3576 visitors with different return types don't accidentally
3577 compile with regular visitation.
3579 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
3581 * testsuite/27_io/filesystem/iterators/caching.cc: Add
3582 dg-require-filesystem-ts.
3584 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
3586 * doc/xml/manual/status_cxx2020.xml: Update status.
3587 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
3588 * testsuite/20_util/variant/visit_r.cc: New test.
3590 * include/bits/fs_dir.h (directory_iterator::operator*)
3591 (directory_iterator::operator->): Add noexcept.
3592 (operator==, operator!=): Replace namespace-scope equality operators
3593 for directory iterators with hidden friends.
3596 * config/abi/pre/gnu.ver: Add missing exports.
3597 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
3600 * config/abi/pre/gnu.ver: Export new symbols.
3601 * include/bits/fs_dir.h (recursive_directory_iterator::options())
3602 (recursive_directory_iterator::recursion_pending())
3603 (recursive_directory_iterator::disable_recursion_pending()): Remove
3604 inline definitions. Make noexcept.
3605 (recursive_directory_iterator::depth())
3606 (recursive_directory_iterator::operator*())
3607 (recursive_directory_iterator::operator->()): Make noexcept.
3608 (recursive_directory_iterator::_M_options)
3609 (recursive_directory_iterator::_M_pending): Remove data members.
3610 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
3611 (recursive_directory_iterator::recursive_directory_iterator): Remove
3612 ctor-initializer. Use new constructor for _Dir_stack.
3613 (recursive_directory_iterator::options())
3614 (recursive_directory_iterator::recursion_pending())
3615 (recursive_directory_iterator::disable_recursion_pending()): Add
3616 non-inline definitions.
3617 (recursive_directory_iterator::depth()): Make noexcept.
3618 (recursive_directory_iterator::increment(error_code&))
3619 (recursive_directory_iterator::pop(error_code&)): Adjust to new
3620 location of options and recursion_pending members.
3621 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
3622 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
3623 user-declared move constructor and assignment operator, to make the
3626 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
3627 d_type == DT_UNKNOWN immediately.
3628 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
3630 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
3632 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
3634 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
3635 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
3638 PR libstdc++/87431 (again)
3639 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
3640 Define partial specialization for basic_string.
3641 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
3642 shared_ptr and weak_ptr.
3643 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
3645 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
3647 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
3649 * include/debug/vector (_Never_valueless_alt): Likewise for debug
3651 * include/std/any (_Never_valueless_alt): Define explicit
3652 specialization for any.
3653 * include/std/variant (_Never_valueless_alt): Define primary template.
3654 (__never_valueless): Use _Never_valueless_alt instead of
3655 is_trivially_copyable.
3656 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
3657 initializations to avoid try-catch overhead. Add special case for
3658 scalars produced by potentially-throwing conversions. Use
3659 _Never_valueless_alt instead of is_trivially_copyable for the
3660 remaining strong exception-safety cases.
3661 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
3662 * testsuite/20_util/variant/87431.cc: Run both test functions.
3663 * testsuite/20_util/variant/exception_safety.cc: New test.
3664 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
3665 so the variant becomes valueless.
3667 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
3670 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
3672 (variant::emplace<_Tp>): Return result of emplace<N> directly.
3674 * include/std/string (__hash_string_base): New class template defining
3675 operator() for hashing strings.
3676 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
3677 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
3678 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
3679 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
3681 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
3683 Use single-visitation in variant assignment and swap and relops.
3684 Also use indices instead of types when checking whether
3685 variants hold the same thing.
3686 * include/std/variant (__do_visit): Add a template parameter
3687 for index visitation, invoke with indices if index visitation
3689 (__variant_idx_cookie): New.
3690 (__visit_with_index): Likewise.
3691 (_Copy_assign_base::operator=): Do single-visitation with
3693 (_Move_assign_base::operator=): Likewise.
3694 (_Extra_visit_slot_needed): Adjust.
3695 (__visit_invoke): Call with indices if it's an index visitor.
3696 (relops): Do single-visitation with an index visitor.
3698 (__visitor_result_type): New.
3700 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
3702 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
3704 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
3706 Don't revisit a variant we are already visiting.
3707 * include/std/variant (__variant_construct_single): New.
3708 (__variant_construct): Use it.
3709 (_M_destructive_move): Likewise.
3710 (_M_destructive_copy): Likewise.
3711 (_Copy_assign_base::operator=): Adjust.
3712 (_Move_assign_base::operator=): Likewise.
3715 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
3718 * include/bits/hashtable.h (_Hashtable): Move static assertions to
3719 destructor so they are not evaluated until the _Key type is complete.
3720 * include/bits/stl_tree.h (_Rb_tree): Likewise.
3721 * testsuite/23_containers/set/85965.cc: New test.
3722 * testsuite/23_containers/unordered_set/85965.cc: New test.
3723 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
3724 with regexp matching the corresponding _Rb_tree specialization.
3725 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
3726 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
3727 * testsuite/23_containers/set/48101_neg.cc: Likewise.
3728 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
3729 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
3730 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
3731 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
3733 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3736 Fix based on a suggestion by Antony Polukhin.
3737 * include/std/variant (__never_valueless): New.
3739 (_Extra_visit_slot_needed): New.
3740 (_Multi_array): Use it.
3741 (_S_apply_all_alts): Likewise.
3743 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3746 Fix based on a suggestion by Antony Polukhin.
3747 * include/std/variant (__gen_vtable): Don't reserve an
3748 additional table slot, _Multi_array already does that.
3750 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3753 Fix based on a suggestion by Antony Polukhin.
3754 * include/std/variant (__variant_construct): Capture a pointer
3755 to the storage and visit just one variant.
3757 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
3759 * doc/xml/manual/backwards_compatibility.xml: Remove link to
3760 Doxygen-generated pages with unstable URL.
3761 * doc/xml/manual/concurrency_extensions.xml: Likewise.
3762 * doc/xml/manual/extensions.xml: Likewise.
3763 * doc/xml/manual/parallel_mode.xml: Likewise.
3764 * doc/xml/manual/support.xml: Likewise.
3766 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
3767 avoid -Wconversion warnings.
3769 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
3771 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
3772 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
3773 (allstamped): Add stamp-pstl.
3774 (install-headers): Add ptsl_builddir.
3775 * include/Makefile.in: Regenerate.
3776 * include/bits/c++config: Add pstl configuration.
3777 * include/pstl/LICENSE.txt: New file.
3778 * include/pstl/algorithm_fwd.h: New file.
3779 * include/pstl/algorithm_impl.h: New file.
3780 * include/pstl/execution_defs.h: New file.
3781 * include/pstl/execution_impl.h: New file.
3782 * include/pstl/glue_algorithm_defs.h: New file.
3783 * include/pstl/glue_algorithm_impl.h: New file.
3784 * include/pstl/glue_execution_defs.h: New file.
3785 * include/pstl/glue_memory_defs.h: New file.
3786 * include/pstl/glue_memory_impl.h: New file.
3787 * include/pstl/glue_numeric_defs.h: New file.
3788 * include/pstl/glue_numeric_impl.h: New file.
3789 * include/pstl/memory_impl.h: New file.
3790 * include/pstl/numeric_fwd.h: New file.
3791 * include/pstl/numeric_impl.h: New file.
3792 * include/pstl/parallel_backend.h: New file.
3793 * include/pstl/parallel_backend_tbb.h: New file.
3794 * include/pstl/parallel_backend_utils.h: New file.
3795 * include/pstl/parallel_impl.h: New file.
3796 * include/pstl/pstl_config.h: New file.
3797 * include/pstl/unseq_backend_simd.h: New file.
3798 * include/pstl/utils.h: New file.
3799 * include/std/algorithm: Include parallel algorithm implementations.
3800 * include/std/execution: New file.
3801 * include/std/memory: Include parallel algorithm implementations.
3802 * include/std/numeric: Include parallel algorithm implementations.
3803 * include/std/version: Add parallel algorithms feature test macro.
3804 * testsuite/util/pstl/pstl_test_config.h: New file.
3805 * testsuite/util/pstl/test_utils.h: New file.
3806 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
3807 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
3808 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
3809 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
3810 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
3811 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
3812 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
3813 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
3814 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
3815 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
3816 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
3817 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
3818 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
3819 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
3820 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
3821 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
3822 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
3823 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
3824 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
3825 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
3826 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
3827 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
3828 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
3829 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
3830 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
3831 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
3832 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
3833 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
3834 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
3835 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
3836 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
3837 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
3838 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
3839 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
3840 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
3841 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
3842 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
3843 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
3844 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
3845 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
3846 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
3847 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
3848 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
3849 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
3850 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
3851 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
3852 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
3853 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
3854 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
3855 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
3856 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
3857 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
3858 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
3859 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
3860 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
3861 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
3862 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
3863 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
3864 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
3865 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
3866 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
3867 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
3868 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
3869 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
3870 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
3871 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
3872 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
3873 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
3874 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
3875 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
3876 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
3877 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
3878 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
3879 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
3880 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
3881 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
3882 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
3883 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
3884 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
3885 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
3886 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
3887 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
3888 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
3889 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
3890 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
3891 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
3892 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
3893 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
3894 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
3895 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
3896 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
3897 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
3898 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
3899 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
3900 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
3901 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
3902 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
3903 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
3904 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
3905 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
3906 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
3907 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
3908 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
3909 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
3910 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
3911 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
3913 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
3915 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
3916 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
3917 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
3918 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
3919 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
3920 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
3921 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
3922 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
3923 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
3924 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
3925 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
3926 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
3927 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
3928 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
3929 when the special functions IS is enabled, not for C++17.
3930 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
3932 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
3933 without checks for special functions in C++17.
3934 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
3938 * include/backward/hash_map: Use <> for includes not "".
3939 * include/backward/hash_set: Likewise.
3940 * include/backward/strstream: Likewise.
3941 * include/tr1/bessel_function.tcc: Likewise.
3942 * include/tr1/exp_integral.tcc: Likewise.
3943 * include/tr1/legendre_function.tcc: Likewise.
3944 * include/tr1/modified_bessel_func.tcc: Likewise.
3945 * include/tr1/riemann_zeta.tcc: Likewise.
3947 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
3949 * doc/xml/manual/allocator.xml: Link to table documenting evolution
3950 of extension allocators.
3951 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
3952 Document new headers in 7.2, 8.1 and 9.1 releases.
3953 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
3954 * doc/html/*: Regenerate.
3956 2019-03-12 John David Anglin <dave.anglin@bell.net>
3959 * testsuite/lib/libstdc++.exp: Locate libatomic.
3960 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
3961 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
3963 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
3964 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
3965 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
3966 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
3968 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
3971 * configure.ac: Check for sockatmark.
3972 * crossconfig.m4: Check for sockatmark.
3973 * config.h.in: Regenerate.
3974 * configure: Regenerate.
3975 * include/experimental/internet (address_v4::_S_hton): Rename
3976 overloaded functions to _S_hton_16 and _S_ntoh_16.
3977 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
3978 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
3979 * include/experimental/socket (basic_socket::at_mark): Check
3980 _GLIBCXX_HAVE_SOCKATMARK.
3982 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
3983 const variables instead of macros.
3986 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
3987 Use correct type for len_aligned.
3988 * testsuite/20_util/hash/89629.cc: New test.
3990 2019-03-11 Jakub Jelinek <jakub@redhat.com>
3993 * include/std/atomic (atomic<T>::store, atomic<T>::load,
3994 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
3995 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
3996 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
3997 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
3998 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
3999 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
4000 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
4001 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
4002 memory_order_seq_cst to int.
4004 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
4006 * doc/xml/manual/using.xml: Use link element instead of xref.
4007 * doc/html/*: Regenerate.
4009 * include/bits/fs_path.h (path::format): Add fixed underlying type.
4011 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
4014 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
4015 parameters in deduction guides.
4016 * include/debug/multimap.h (multimap): Likewise.
4017 * include/debug/set.h (multimap): Likewise.
4018 * include/debug/multiset.h (multimap): Likewise.
4019 * include/debug/unordered_map (unordered_map): Likewise.
4020 (unordered_multimap): Likewise.
4021 * include/debug/unordered_set (unordered_set): Likewise.
4022 (unordered_multiset): Likewise.
4025 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
4026 Invalidate all iterators in case of rehash.
4027 (unordered_multimap<>::_M_check_rehashed): Likewise.
4028 * include/debug/unordered_set
4029 (unordered_set<>::_M_check_rehashed): Likewise.
4030 (unordered_multiset<>::_M_check_rehashed): Likewise.
4031 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
4033 2019-03-07 Andreas Schwab <schwab@suse.de>
4035 * config/abi/post/riscv64-linux-gnu: New directory.
4036 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
4038 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
4040 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
4041 compile test to run. Fix typo.
4043 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
4044 * doc/html/*: Regenerate.
4046 P0356R5 Simplified partial function application
4047 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
4048 helpers for bind_front.
4049 (bind_front, __cpp_lib_bind_front): Define.
4050 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
4052 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4054 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
4055 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
4056 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
4057 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
4059 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
4061 PR libstdc++/86655 - std::assoc_legendre should not constrain
4062 the value of m (or x).
4063 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
4064 __sph_legendre): If degree > order Don't throw, return 0.
4065 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
4066 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
4067 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
4068 * testsuite/tr1/5_numerical_facilities/special_functions/
4069 02_assoc_legendre/pr86655.cc: New test.
4070 * testsuite/tr1/5_numerical_facilities/special_functions/
4071 22_sph_legendre/pr86655.cc: New test.
4073 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
4076 Also PR libstdc++/85517
4077 * include/std/variant (__do_visit): New.
4078 (__variant_cast): Likewise.
4079 (__variant_cookie): Likewise.
4080 (__erased_*): Remove.
4081 (_Variant_storage::_S_vtable): Likewise.
4082 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
4083 (_Variant_storage::__M_reset): Adjust.
4084 (__variant_construct): New.
4085 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
4086 __variant_construct.
4087 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
4088 (_Move_ctor_base::__M_destructive_copy): New.
4089 (_Move_ctor_base::__M_destructive_move): Adjust to use
4090 __variant_construct.
4091 (_Copy_assign_base::operator=): Adjust to use __do_visit.
4092 (_Copy_assign_alias): Adjust to check both copy assignment
4093 and copy construction for triviality.
4094 (_Move_assign_base::operator=): Adjust to use __do_visit.
4095 (_Multi_array): Add support for visitors that accept and return
4097 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
4098 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
4099 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
4100 a __variant_cookie temporary for a variant that is valueless and..
4101 (__gen_vtable_impl::__visit_invoke): ..adjust here.
4102 (__gen_vtable::_Array_type): Conditionally make space for
4103 the __variant_cookie visitor case.
4104 (__variant_construct_by_index): New.
4105 (get_if): Adjust to use std::addressof.
4106 (relops): Adjust to use __do_visit.
4107 (variant): Add __variant_cast and __variant_construct_by_index
4109 (variant::emplace): Use _M_reset() and __variant_construct_by_index
4110 instead of self-destruction.
4111 (variant::swap): Adjust to use __do_visit.
4112 (visit): Reimplement in terms of __do_visit.
4113 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
4114 * testsuite/20_util/variant/compile.cc: Adjust.
4115 * testsuite/20_util/variant/run.cc: Likewise.
4117 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4119 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
4121 * testsuite/experimental/feat-char8_t.cc: Likewise.
4123 * include/std/type_traits [C++20] (is_bounded_array)
4124 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
4126 * testsuite/20_util/is_bounded_array/requirements/
4127 explicit_instantiation.cc: New test.
4128 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
4130 * testsuite/20_util/is_bounded_array/value.cc: New test.
4131 * testsuite/20_util/is_unbounded_array/requirements/
4132 explicit_instantiation.cc: New test.
4133 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
4135 * testsuite/20_util/is_unbounded_array/value.cc: New test.
4137 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
4139 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
4141 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
4143 * include/c_compatibility/math.h [C++20] (lerp): Add using
4145 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
4146 (__lerp): Define function template to implement lerp.
4147 (lerp(float, float, float), lerp(double, double, double))
4148 (lerp(long double, long double, long double)): Define for C++20.
4149 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
4150 (midpoint(T, T), midpoint(T*, T*)): Define.
4151 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
4152 * testsuite/26_numerics/lerp.cc: New test.
4153 * testsuite/26_numerics/midpoint/floating.cc: New test.
4154 * testsuite/26_numerics/midpoint/integral.cc: New test.
4155 * testsuite/26_numerics/midpoint/pointer.cc: New test.
4157 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
4159 PR libstdc++/88996 Implement P0439R0
4160 Make std::memory_order a scoped enumeration.
4161 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
4162 add variables for the old enumerators. Adjust calls.
4163 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
4164 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
4166 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
4168 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
4171 * include/std/memory_resource (polymorphic_allocator): Add default
4172 template argument for C++20.
4173 (polymorphic_allocator::allocate_bytes)
4174 (polymorphic_allocator::deallocate_bytes)
4175 (polymorphic_allocator::allocate_object)
4176 (polymorphic_allocator::deallocate_object)
4177 (polymorphic_allocator::new_object)
4178 (polymorphic_allocator::delete_object): New member functions for
4180 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
4183 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
4186 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
4189 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
4191 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
4192 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
4194 * include/std/memory (uses_allocator_construction_args): New set of
4195 overloaded functions.
4196 (make_obj_using_allocator, uninitialized_construct_using_allocator):
4198 * include/std/memory_resource (polymorphic_allocator::construct)
4199 [__cplusplus > 201703l]: Replace all overloads with a single function
4200 using uses_allocator_construction_args.
4201 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
4203 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
4205 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
4208 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
4209 stylesheet directories before check for xsltproc. Try to use
4210 xmlcatalog to find local stylesheet directory before trying hardcoded
4211 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
4212 check to look for the same stylesheet as doc/Makefile.am uses. Don't
4213 use xsltproc if xmlcatalog fails to find a local stylesheet.
4214 * configure.ac: Check for xmlcatalog.
4215 * Makefile.in: Regenerate.
4216 * configure: Likewise.
4217 * doc/Makefile.in: Likewise.
4218 * include/Makefile.in: Likewise.
4219 * libsupc++/Makefile.in: Likewise.
4220 * po/Makefile.in: Likewise.
4221 * python/Makefile.in: Likewise.
4222 * src/Makefile.in: Likewise.
4223 * src/c++11/Makefile.in: Likewise.
4224 * src/c++17/Makefile.in: Likewise.
4225 * src/c++98/Makefile.in: Likewise.
4226 * src/filesystem/Makefile.in: Likewise.
4227 * testsuite/Makefile.in: Likewise.
4229 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
4232 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
4233 container deduction guides.
4234 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
4235 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
4236 parameters in deduction guides.
4237 * include/bits/stl_multimap.h (multimap): Likewise.
4238 * include/bits/stl_multiset.h (multiset): Likewise.
4239 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
4240 * include/bits/stl_set.h (set): Likewise.
4241 * include/bits/stl_stack.h (stack): Likewise.
4242 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
4243 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
4244 constrain parameters in deduction guides.
4245 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
4247 * testsuite/23_containers/map/cons/deduction.cc: Test additional
4249 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
4250 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
4251 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
4252 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
4254 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
4256 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
4259 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
4260 to class template and partial specialization using void_t.
4261 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4263 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
4266 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
4267 copy and move members public.
4269 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
4271 * include/std/type_traits (__underlying_type_impl): New helper to
4272 make underlying_type SFINAE-friendly.
4273 (underlying_type): Derive from __underlying_type_impl.
4274 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
4278 * include/bits/char_traits.h (__constant_char_array): Check index is
4279 in range before dereferencing.
4280 (char_traits<char>::compare, char_traits<char>::find)
4281 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
4282 immediately if n is zero.
4283 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
4284 Remove workarounds for PR 67026.
4285 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
4287 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
4290 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4292 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
4293 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
4295 2019-02-22 Jakub Jelinek <jakub@redhat.com>
4298 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
4299 type to std::size_t and argument to type to long double.
4301 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4303 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
4304 * config/abi/post/sparc64-linux-gnu: New directory.
4305 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
4306 * config/abi/post/sparc64-linux-gnu/32: New directory.
4307 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
4309 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4311 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
4312 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
4315 2019-02-22 Tom Honermann <tom@honermann.net>
4317 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
4318 printers for u8string and u8string_view.
4320 2019-02-22 Tom Honermann <tom@honermann.net>
4322 * testsuite/18_support/byte/ops.cc: Validate
4323 std::to_integer<char8_t>, std::to_integer<char16_t>, and
4324 std::to_integer<char32_t>.
4325 * testsuite/18_support/numeric_limits/dr559.cc: Validate
4326 std::numeric_limits<char8_t>.
4327 * testsuite/18_support/numeric_limits/lowest.cc: Validate
4328 std::numeric_limits<char8_t>::lowest().
4329 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
4330 std::numeric_limits<char8_t>::max_digits10.
4331 * testsuite/18_support/type_info/fundamental.cc: Validate
4332 typeinfo for char8_t.
4333 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
4334 std::from_chars with char8_t.
4335 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
4336 Validate explicit instantiation of std::hash<char8_t>.
4337 * testsuite/20_util/is_integral/value.cc: Validate
4338 std::is_integral<char8_t>.
4339 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
4340 Validate std::make_signed<char8_t>.
4341 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
4342 Validate u8string construction from char8_t sources.
4343 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
4345 * testsuite/21_strings/basic_string_view/operations/compare/
4346 char/70483.cc: Validate substr operations on u8string_view.
4347 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
4348 the u8string_view typedef is defined.
4349 * testsuite/21_strings/char_traits/requirements/
4350 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
4352 * testsuite/21_strings/char_traits/requirements/
4353 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
4354 constexpr member functions.
4355 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
4356 that the u8string typedef is defined.
4357 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
4358 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
4359 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
4360 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
4362 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
4363 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
4365 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
4366 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
4367 Validate std::atomic<char8_t>::is_always_lock_free
4368 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
4369 Update line numbers.
4370 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
4372 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
4374 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
4375 Validate std::experimental::pmr::u8string.
4376 * testsuite/experimental/string_view/typedefs.cc: Validate that the
4377 u8string_view typedef is defined.
4378 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
4379 char32_t to the typelists.
4381 2019-02-22 Tom Honermann <tom@honermann.net>
4383 * include/ext/typelist.h: Constrain a partial specialization of
4384 typelist::detail::append_ to only match chain<T1,T2>.
4386 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4389 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
4390 class template with class. Replace move and copy member types with
4391 member alias templates, so they are only instantiated when needed.
4392 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4393 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
4394 test for C++11/14/17 as well.
4395 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
4398 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4401 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
4402 _GLIBCXX_PURE to the alias declaration.
4404 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
4406 * testsuite/21_strings/basic_string/literals/types.cc
4407 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
4408 * testsuite/21_strings/basic_string/literals/values.cc
4409 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4410 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
4411 potentially having different type.
4412 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
4413 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
4415 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
4416 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
4417 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
4418 string literals only using basic character set.
4419 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
4420 u8 literals to char.
4421 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
4422 Test ATOMIC_CHAR8_T_LOCK_FREE.
4423 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
4424 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
4425 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
4426 * testsuite/experimental/string_view/literals/types.cc
4427 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
4429 * testsuite/experimental/string_view/literals/values.cc
4430 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4432 2019-02-19 Tom Honermann <tom@honermann.net>
4434 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
4435 from char16_32_t.cc; validates numeric_limits<char8_t>.
4436 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
4437 test cloned from types.cc; validates operator""s for char8_t
4439 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
4440 test cloned from values.cc; validates construction and comparison
4442 * testsuite/21_strings/basic_string/requirements/
4443 /explicit_instantiation/char8_t/1.cc: New test cloned from
4444 char16_t/1.cc; validates explicit instantiation of
4445 basic_string<char8_t>.
4446 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
4447 New test cloned from types.cc; validates operator""sv for char8_t
4448 returns u8string_view.
4449 * testsuite/21_strings/basic_string_view/literals/
4450 values-char8_t.cc: New test cloned from values.cc; validates
4451 construction and comparison of u8string_view values.
4452 * testsuite/21_strings/basic_string_view/requirements/
4453 explicit_instantiation/char8_t/1.cc: New test cloned from
4454 char16_t/1.cc; validates explicit instantiation of
4455 basic_string_view<char8_t>.
4456 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
4457 New test cloned from char16_t/65049.cc; validates that
4458 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
4459 * testsuite/21_strings/char_traits/requirements/char8_t/
4460 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
4461 that char_traits<char8_t> member typedefs are present and correct.
4462 * testsuite/21_strings/char_traits/requirements/
4463 explicit_instantiation/char8_t/1.cc: New test cloned from
4464 char16_t/1.cc; validates explicit instantiation of
4465 char_traits<char8_t>.
4466 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
4467 from char16_t.cc: validates
4468 codecvt<char16_t, char8_t, mbstate_t>.
4469 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
4470 from char32_t.cc: validates
4471 codecvt<char32_t, char8_t, mbstate_t>.
4472 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
4473 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
4474 codecvt<char32_t, char8_t, std::mbstate_t>.
4475 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
4476 test cloned from string.cc; validates filesystem::path construction
4478 * testsuite/experimental/feat-char8_t.cc: New test; validates that
4479 the __cpp_lib_char8_t feature test macro is defined with the
4481 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
4482 New test cloned from string.cc; validates filesystem::path
4483 construction from char8_t input.
4484 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
4485 test cloned from types.cc; validates operator""sv for char8_t
4486 returns u8string_view.
4487 * testsuite/experimental/string_view/literals/values-char8_t.cc:
4488 New test cloned from values.cc; validates construction and
4489 comparison of u8string_view values.
4490 * testsuite/experimental/string_view/requirements/
4491 explicit_instantiation/char8_t/1.cc: New test cloned from
4492 char16_t/1.cc; validates explicit instantiation of
4493 basic_string_view<char8_t>.
4494 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
4495 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
4498 2019-02-19 Tom Honermann <tom@honermann.net>
4500 P0482R5 char8_t: Standard library support
4501 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
4502 typeinfo symbols for char8_t.
4503 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
4504 (GLIBCXX_3.4.26): Add symbols for specializations of
4505 numeric_limits and codecvt that involve char8_t.
4506 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
4507 * include/bits/atomic_base.h: Add atomic_char8_t.
4508 * include/bits/basic_string.h: Add std::hash<u8string> and
4509 operator""s(const char8_t*, size_t).
4510 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
4512 * include/bits/char_traits.h: Add char_traits<char8_t>.
4513 * include/bits/codecvt.h: Add
4514 codecvt<char16_t, char8_t, mbstate_t>,
4515 codecvt<char32_t, char8_t, mbstate_t>,
4516 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4517 codecvt_byname<char32_t, char8_t, mbstate_t>.
4518 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
4519 recognize char8_t as an integral type.
4520 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
4522 (path::u8string): Return std::u8string when char8_t support is
4524 (path::generic_u8string): Likewise.
4525 (path::_S_convert): Handle conversion from char8_t input.
4526 (path::_S_str_convert): Likewise.
4527 * include/bits/functional_hash.h: Add hash<char8_t>.
4528 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
4530 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
4531 for new char8_t specializations.
4532 * include/bits/localefwd.h: Add missing declarations of
4533 codecvt<char16_t, char, mbstate_t> and
4534 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
4535 codecvt<char16_t, char8_t, mbstate_t> and
4536 codecvt<char32_t, char8_t, mbstate_t>.
4537 * include/bits/postypes.h: Add u8streampos
4538 * include/bits/stringfwd.h: Add declarations of
4539 char_traits<char8_t> and u8string.
4540 * include/c_global/cstddef: Add __byte_operand<char8_t>.
4541 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4543 (path::u8string): Return std::u8string when char8_t support is
4545 (path::generic_u8string): Likewise.
4546 (path::_S_convert): Handle conversion from char8_t input.
4547 (path::_S_str_convert): Likewise.
4548 * include/experimental/string: Add u8string.
4549 * include/experimental/string_view: Add u8string_view,
4550 hash<experimental::u8string_view>, and
4551 operator""sv(const char8_t*, size_t).
4552 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
4553 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
4554 as a character type.
4555 * include/std/limits: Add numeric_limits<char8_t>.
4556 * include/std/string_view: Add u8string_view,
4557 hash<experimental::u8string_view>, and
4558 operator""sv(const char8_t*, size_t).
4559 * include/std/type_traits: Add __is_integral_helper<char8_t>,
4560 __make_unsigned<char8_t>, and __make_signed<char8_t>.
4561 * libsupc++/atomic_lockfree_defines.h: Define
4562 ATOMIC_CHAR8_T_LOCK_FREE.
4563 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
4564 codecvt.cc and limits.cc so that char8_t specializations of
4565 numeric_limits and codecvt and emitted.
4566 * src/c++11/Makefile.in: Likewise.
4567 * src/c++11/codecvt.cc: Define members of
4568 codecvt<char16_t, char8_t, mbstate_t>,
4569 codecvt<char32_t, char8_t, mbstate_t>,
4570 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4571 codecvt_byname<char32_t, char8_t, mbstate_t>.
4572 * src/c++11/limits.cc: Define members of
4573 numeric_limits<char8_t>.
4574 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
4575 locale_init.cc and localename.cc.
4576 * src/c++98/Makefile.in: Likewise.
4577 * src/c++98/locale_init.cc: Add initialization for the
4578 codecvt<char16_t, char8_t, mbstate_t> and
4579 codecvt<char32_t, char8_t, mbstate_t> facets.
4580 * src/c++98/localename.cc: Likewise.
4581 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
4583 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
4585 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
4586 * 27_io/filesystem/operations/resize_file.cc: Likewise.
4587 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
4589 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
4591 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
4592 * doc/html/*: Regenerate.
4594 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
4595 * doc/html/*: Regenerate.
4597 * doc/xml/manual/intro.xml: Document LWG 2586 status.
4598 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
4599 allocator type in is_constructible checks.
4600 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
4601 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
4602 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
4603 problematic type from LWG 2586 discussion.
4604 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
4605 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
4607 * configure.ac: Check for C11 timespec_get function.
4608 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
4610 * config.h.in: Regenerate.
4611 * configure: Regenerate.
4612 * include/c_global/ctime (timespec, timespec_get): Add to namespace
4613 std for C++17 and up.
4615 * doc/xml/manual/intro.xml: Document LWG 2537 status.
4616 * include/bits/stl_queue.h
4617 (priority_queue(const Compare&, const Container&, const Alloc&))
4618 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
4620 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
4622 * doc/xml/manual/intro.xml: Document LWG 2566 status.
4623 * include/bits/stl_queue.h (queue, priority_queue): Add static
4624 assertions to enforce LWG 2566 requirement on value_type.
4625 * include/bits/stl_stack.h (stack): Likewise.
4628 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
4630 * doc/xml/manual/intro.xml: Document LWG 2735 status.
4631 * include/bits/std_abs.h: Add comment about LWG 2735.
4632 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
4634 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
4637 * include/std/version [__cpp_impl_destroying_delete]
4638 (__cpp_lib_destroying_delete): Only define for C++2a and later.
4639 * libsupc++/new [__cpp_impl_destroying_delete]
4640 (__cpp_lib_destroying_delete): Likewise.
4641 (destroying_delete_t, destroying_delete): Likewise, but define even
4642 when __cpp_impl_destroying_delete is not defined.
4643 * testsuite/18_support/destroying_delete.cc: New test.
4645 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
4648 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
4649 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
4650 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
4651 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
4653 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
4656 * include/bits/fs_path.h (path::has_root_name)
4657 (path::has_root_directory, path::has_root_path)
4658 (path::has_relative_path, path::has_parent_path)
4659 (path::has_filename, path::has_stem, path::has_extension)
4660 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
4662 * src/c++17/fs_path.cc (path::has_root_name)
4663 (path::has_root_directory, path::has_root_path)
4664 (path::has_relative_path, path::has_parent_path)
4665 (path::has_filename, path::_M_find_extension): Add noexcept.
4667 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
4669 PR libstdc++/89102 (partial)
4670 * include/std/type_traits (common_type<>): Define.
4671 (common_type<T>): Derive from common_type<T, T>.
4672 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
4673 Test zero-length template argument list.
4674 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
4675 Test additional single argument cases.
4676 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
4677 Adjust expected error.
4679 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
4682 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
4684 * include/bits/stl_stack.h (stack): Likewise.
4685 * testsuite/23_containers/priority_queue/deduction.cc: New test.
4686 * testsuite/23_containers/queue/deduction.cc: New test.
4687 * testsuite/23_containers/stack/deduction.cc: New test.
4690 * include/std/type_traits (__is_convertible_helper)
4691 (__is_convertible_helper<_From, _To, false>): Revert changes to
4692 support is_nothrow_convertible.
4693 (__is_nt_convertible_helper): New helper.
4694 (is_nothrow_convertible): Use __is_nt_convertible_helper.
4696 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
4697 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
4700 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
4701 __is_alloc_insertable_impl. Replace single type member with two
4702 members, one for each of copy and move insertable.
4703 (__is_move_insertable): New trait for internal use.
4704 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
4705 (vector::_S_nothrow_relocate(true_type)): New functions to
4706 conditionally check if __relocate_a can throw.
4707 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
4708 on __is_move_insertable.
4709 (vector::_S_do_relocate): New overloaded functions to conditionally
4711 (vector::_S_relocate): New function that dispatches to _S_do_relocate
4712 based on _S_use_relocate.
4713 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4714 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
4715 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
4718 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
4719 parameter unnamed. Add message to static assertion.
4720 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4721 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
4724 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
4727 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
4729 (__is_bitwise_relocatable): ... to this.
4730 (__relocate_a_1): Adapt.
4731 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
4732 (__is_bitwise_relocatable): ... to this.
4734 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
4737 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
4738 final component as well as from _M_pathname. Append the dot using
4739 operator+= instead of only to _M_pathname.
4740 (path::_M_find_extension): Reformat slightly.
4741 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4742 Add more test cases.
4744 2019-01-30 Ulrich Drepper <drepper@redhat.com>
4746 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
4748 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
4750 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
4751 constexpr specifiers from arg and proj.
4753 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
4754 __shared_ptr instantiations used by gcc4-compatible ABI.
4756 * include/experimental/forward_list (experimental::erase): Qualify
4758 * include/experimental/list (experimental::erase): Likewise.
4759 * include/std/forward_list (std::erase): Likewise.
4760 * include/std/list (std::erase): Likewise.
4762 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
4764 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
4765 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
4766 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
4767 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
4768 * testsuite/ext/array_allocator/26875.cc: Likewise.
4769 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
4770 * testsuite/util/replacement_memory_operators.h: Likewise.
4771 * testsuite/util/testsuite_allocator.h: Likewise.
4773 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
4774 normal mode vector, even for debug mode.
4775 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
4776 Define alias template for normal mode vector.
4778 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
4781 * config/locale/generic/c_locale.h (__convert_from_v)
4782 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4783 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4784 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
4785 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4787 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
4790 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
4791 data member with static member function _S_use_relocate().
4792 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4793 (vector::_M_default_append): Use _S_use_relocate() instead of
4796 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
4799 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
4802 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
4803 write to stderr instead of using printf.
4805 2019-01-21 Jakub Jelinek <jakub@redhat.com>
4808 * include/bits/char_traits.h (__constant_string_p,
4809 __constant_char_array_p): Use __builtin_is_constant_evaluated if
4812 2019-01-20 Ulrich Drepper <drepper@redhat.com>
4814 Implement C++20 P0600r1.
4815 * include/backward/hash_map: Add nodiscard attribute to empty.
4816 * include/backward/hash_set: Likewise.
4817 * backward/hashtable.h: Likewise.
4818 * include/bits/basic_string.h: Likewise.
4819 * include/bits/forward_list.h: Likewise.
4820 * include/bits/hashtable.h: Likewise.
4821 * include/bits/regex.h: Likewise.
4822 * include/bits/stl_deque.h: Likewise.
4823 * include/bits/stl_list.h: Likewise.
4824 * include/bits/stl_map.h: Likewise.
4825 * include/bits/stl_multimap.h: Likewise.
4826 * include/bits/stl_multiset.h: Likewise.
4827 * include/bits/stl_queue.h: Likewise.
4828 * include/bits/stl_set.h: Likewise.
4829 * include/bits/stl_stack.h: Likewise.
4830 * include/bits/stl_tree.h: Likewise.
4831 * include/bits/stl_vector.h: Likewise.
4832 * include/bits/unordered_map.h: Likewise.
4833 * include/bits/unordered_set.h: Likewise.
4834 * include/debug/array: Likewise.
4835 * include/experimental/any: Likewise.
4836 * include/experimental/bits/fs_path.h: Likewise.
4837 * include/experimental/internet: Likewise.
4838 * include/experimental/string_view: Likewise.
4839 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
4841 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
4843 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
4845 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
4847 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
4849 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
4851 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
4853 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
4855 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
4856 info_fn_imps.hpp: Likewise.
4857 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
4858 left_child_next_sibling_heap_.hpp: Likewise.
4859 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
4861 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
4863 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
4865 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
4867 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
4869 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
4871 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
4873 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
4874 * include/ext/pb_ds/trie_policy.hpp: Likewise.
4875 * include/ext/rope: Likewise.
4876 * include/ext/slist: Likewise.
4877 * include/ext/vstring.h: Likewise.
4878 * include/profile/array: Likewise.
4879 * include/std/array: Likewise.
4880 * include/tr1/array: Likewise.
4881 * include/tr1/hashtable.h: Likewise.
4882 * include/tr1/regex: Likewise.
4883 * include/tr2/dynamic_bitset: Likewise.
4884 * include/bits/alloc_traits.h: Add nodiscard attribute to
4886 * include/experimental/memory_resource: Likewise.
4887 * include/ext/alloc_traits.h: Likewise.
4888 * include/ext/array_allocator.h: Likewise.
4889 * include/ext/bitmap_allocator.h: Likewise.
4890 * include/ext/debug_allocator.h: Likewise.
4891 * include/ext/extptr_allocator.h: Likewise.
4892 * include/ext/mt_allocator.h: Likewise.
4893 * include/ext/new_allocator.h: Likewise.
4894 * include/ext/pool_allocator.h: Likewise.
4895 * include/ext/throw_allocator.h: Likewise.
4896 * include/std/scoped_allocator: Likewise.
4897 * libsupc++/eh_alloc.cc: Likewise.
4898 * include/std/future: Add nodiscard attribute to async.
4899 * libsupc++/new: Add nodiscard attribute to new.
4901 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
4906 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
4907 * include/bits/shared_ptr.h
4908 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
4909 (allocate_shared): Change to use new tag type.
4910 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
4911 Declare new member function.
4912 (_Sp_alloc_shared_tag): Define new type.
4913 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
4914 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
4915 _Sp_make_shared_tag::_S_eq to check type_info.
4916 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
4917 Constrain to prevent being called with _Sp_alloc_shared_tag.
4918 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
4919 Replace constructor with ...
4920 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
4921 reference parameter so address of the new object can be returned to
4922 the caller. Obtain the allocator from the tag type.
4923 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
4924 constructor with ...
4925 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
4926 to the __shared_count constructor.
4927 (__allocate_shared): Change to use new tag type.
4928 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
4930 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
4932 * src/c++17/fs_ops.cc
4933 (equivalent(const path&, const path&, error_code&))
4934 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
4935 compare files instead of relying on incomplete info returned by stat.
4938 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
4939 if the path is already absolute.
4940 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
4941 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
4944 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
4945 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
4946 of filesystem::exists.
4947 (create_directories(const path&, error_code&)): Add assertions.
4948 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
4949 Add workaround for bug in _wstat for paths with trailing slash.
4950 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
4951 for expected behaviour on mingw.
4952 * testsuite/experimental/filesystem/operations/create_directories.cc:
4954 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
4955 "TMP" instead of "TMPDIR" and clean environment before each test. Do
4956 not test permissions on mingw targets.
4958 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
4960 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
4961 constructors and open members taking wide strings. Fix patterns for
4962 filesystem::path members to match wstring_view parameters. Add
4963 exports for shared_ptr members used by directory iterators.
4964 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
4965 error code parameter if the file doesn't exist.
4966 * src/filesystem/ops.cc (remove(const path&, error_code&)):
4968 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
4969 values for mingw targets, where "/" is not an absolute path. Do not
4970 test symlinks on mingw targets.
4971 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
4972 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
4974 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
4975 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
4976 that each component of the path is created.
4977 * testsuite/experimental/filesystem/operations/create_directories.cc:
4979 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
4980 permissions on mingw targets.
4981 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
4982 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
4983 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
4984 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
4986 * testsuite/experimental/filesystem/operations/permissions.cc:
4988 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
4989 symlinks or permissions on mingw targets.
4990 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
4991 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
4992 symlinks on mingw targets.
4993 * testsuite/experimental/filesystem/operations/remove_all.cc:
4995 * testsuite/27_io/filesystem/operations/status.cc: Do not test
4996 permissions on mingw targets.
4997 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
4998 test symlinks on mingw targets.
4999 * testsuite/experimental/filesystem/operations/space.cc: Fix test
5002 2019-02-14 Ulrich Drepper <drepper@redhat.com>
5005 Warn about unused comparisons of shared_ptr/unique_ptr
5006 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
5007 * include/bits/shared_ptr.h: Use it for operator ==, !=,
5008 <, <=, >, >= for shared_ptr.
5009 * include/bits/unique_ptr.h: Likewise for unique_ptr.
5011 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
5013 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
5014 as 201611L, because P0497R0 changes are supported.
5015 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
5017 * include/bits/erase_if.h [__cplusplus > 201703L]
5018 (__cpp_lib_erase_if): Only define for C++2a.
5019 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5020 (__cpp_lib_null_iterators): Define.
5021 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5022 (__cpp_lib_null_iterators): Define.
5023 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
5025 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
5027 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
5029 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
5030 changes are supported.
5031 * include/std/optional (__cpp_lib_optional): Likewise.
5032 * include/std/variant (__cpp_lib_variant): Likewise.
5033 * include/std/version [!__STRICT_ANSI__]
5034 (__cpp_lib_uncaught_exceptions): Define as long integer.
5035 [__cplusplus >= 201703L] (__cpp_lib_any)
5036 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
5037 (__cpp_lib_variant): Define for C++17.
5038 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
5040 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
5043 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
5045 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
5049 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
5051 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
5054 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5056 * doc/xml/manual/intro.xml: Include new section.
5057 * doc/xml/manual/status_cxx2017.xml: Document more
5058 implementation-defined properties of the library.
5059 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
5060 * doc/html/*: Regenerate.
5062 * include/bits/refwrap.h [__cplusplus > 201703L]
5063 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
5064 (_Reference_wrapper_base_memfun): Do not define for C++2a.
5065 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
5067 (reference_wrapper::operator()): Add static assertion.
5068 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
5070 * include/std/chrono (duration_values::zero(), duration_values::min())
5071 (duration_values::max()): Add noexcept.
5072 (duration::zero(), duration::min(), duration::max()): Likewise.
5073 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
5074 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
5075 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
5077 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
5079 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5081 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
5082 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
5084 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5087 * include/bits/functional_hash.h (hash<nullptr_t>): Define
5088 specialization for C++17 (P0513R0, LWG 2817).
5089 * testsuite/20_util/hash/nullptr.cc: New test.
5092 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
5093 pattern for std::basic_stringbuf::str().
5095 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
5096 basic_ostream::operator<< patterns.
5098 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5100 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
5101 test failures on targets with 32-bit time_t.
5103 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
5104 * include/std/deque: Likewise.
5105 * include/std/forward_list: Likewise.
5106 * include/std/list: Likewise.
5107 * include/std/string: Likewise.
5108 * include/std/vector: Likewise.
5109 * include/std/version: Likewise.
5110 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
5111 * testsuite/23_containers/deque/erasure.cc: Likewise.
5112 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
5113 * testsuite/23_containers/list/erasure.cc: Likewise.
5114 * testsuite/23_containers/map/erasure.cc: Likewise.
5115 * testsuite/23_containers/set/erasure.cc: Likewise.
5116 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
5117 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
5118 * testsuite/23_containers/vector/erasure.cc: Likewise.
5120 * include/experimental/internet [AI_NUMERICSERV]
5121 (resolver_base::numeric_service): Define conditionally.
5122 * testsuite/experimental/net/internet/resolver/base.cc: Test it
5124 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
5127 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
5128 Jonathan Wakely <jwakely@redhat.com>
5131 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
5132 (GLIBCXX_3.4.26): Add new exports.
5133 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
5134 correct list of sources.
5135 * include/Makefile.in: Regenerate.
5136 * include/std/ostream (operator<<(nullptr_t)): New member function.
5137 * src/c++17/ostream-inst.cc: New file.
5138 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
5141 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5143 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
5144 of the source file containing the caller.
5145 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
5146 directories created by test.
5147 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5149 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5151 * testsuite/experimental/filesystem/iterators/
5152 recursive_directory_iterator.cc: Likewise.
5154 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5156 PR tree-optimization/88775
5157 * include/bits/stl_function.h (greater<_Tp*>::operator(),
5158 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
5159 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
5160 instead of __builtin_constant_p if available. Don't bother with
5161 the pointer comparison in C++11 and earlier.
5163 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5167 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
5170 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
5172 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
5173 for filesystem::path. Give variables more distinctive names.
5175 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
5176 member function to perform non-trivial assignment.
5177 (_Optional_payload_base::_M_move_assign): Likewise.
5178 (_Optional_payload<T, true, false, true>::operator=)
5179 (_Optional_payload<T, true, true, false>::operator=)
5180 (_Optional_payload<T, true, false, false>::operator=): Call
5181 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
5184 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
5185 test std::complex<long double> if long double format is IBM128.
5186 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
5189 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5191 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
5192 for old std::unique_ptr layout.
5193 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
5194 to become valueless. Add filesystem::path tests.
5197 * include/std/optional (_Optional_payload_base): New class template
5198 for common code hoisted from _Optional_payload specializations. Use
5199 a template for the union, to allow a partial specialization for
5200 types with non-trivial destructors. Add constructors for in-place
5201 initialization to the union.
5202 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
5203 to perform non-trivial copy construction, instead of relying on
5204 non-standard copy elision in a delegating constructor.
5205 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
5206 non-trivial move construction.
5207 (_Optional_payload): Derive from _Optional_payload_base and use it
5208 for everything except the non-trivial assignment operators, which are
5210 (_Optional_payload<false, C, M>): Derive from the specialization
5211 _Optional_payload<true, false, false> and add a destructor.
5212 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
5213 Forward to corresponding members of _Optional_payload.
5214 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
5215 Hoist common members from _Optional_base.
5216 (_Optional_base): Make all members and base class public.
5217 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
5218 _Optional_base_impl.
5219 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
5220 support for new std::optional layout.
5221 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
5224 * include/bits/locale_conv.h: Use <> for includes not "".
5225 * include/ext/random: Likewise.
5226 * include/ext/vstring.h: Likewise.
5228 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5230 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
5231 (GLIBCXX_3.4.21): Likewise.
5233 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5236 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
5237 to match the one that controls whether utimbuf and utime are declared.
5239 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
5242 * include/bits/char_traits.h (char_traits::move): Do not pass null
5243 pointers to memmove.
5244 * include/bits/locale_facets.h
5245 (ctype<char>::widen(const char*, const char*, char*)): Do not
5246 pass null pointers to memcpy.
5247 (ctype<char>::narrow(const char*, const char*, char, char*)):
5249 (ctype<char>::do_widen(const char*, const char*, char*)):
5251 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
5254 * doc/xml/manual/spine.xml: Update copyright years.
5255 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
5256 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
5257 for C++17 filesystem library.
5258 * doc/html/*: Regenerate.
5260 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
5261 * config.h.in: Regenerate.
5262 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
5263 alphabetically and add missing entries for copy_symlink,
5264 hard_link_count, rename, and resize_file.
5265 * configure: Regenerate.
5266 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
5267 used unconditionally.
5268 * src/filesystem/ops-common.h (__gnu_posix::truncate)
5269 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
5270 supports truncating to zero length.
5271 * testsuite/27_io/filesystem/operations/all.cc: New test.
5272 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
5274 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
5277 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
5278 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
5279 * config.h.in: Regenerate.
5280 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
5281 remaining std::filesystem types and functions.
5282 * configure: Regenerate.
5283 * src/c++17/Makefile.am: Add C++17 filesystem sources.
5284 * src/c++17/Makefile.in: Regenerate.
5285 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
5286 here, and change name of included file.
5287 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
5288 here, and change name of included file.
5289 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
5290 path to dir-common.h.
5291 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
5292 path to ops-common.h. Disable -Wunused-parameter warnings.
5293 (internal_file_clock): Define unconditionally.
5294 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
5296 (do_copy_file, do_space): Move definitions to ops.common.h.
5297 (copy, file_size, hard_link_count, last_write_time, space): Only
5298 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
5300 (last_write_time, read_symlink): Remove unused attributes from
5302 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
5303 * src/filesystem/Makefile.in: Regenerate.
5304 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
5305 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
5306 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
5307 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
5308 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
5309 dummy types and functions instead of using #error.
5310 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
5311 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
5313 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
5314 (do_copy_file, do_space): Move definitions here from std-ops.cc.
5315 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
5316 to account for new namespace.
5317 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
5318 -lstdc++fs from dg-options.
5319 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
5320 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
5321 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
5322 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
5323 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
5325 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
5326 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5328 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
5329 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
5330 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
5331 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
5332 * testsuite/27_io/filesystem/operations/create_directories.cc:
5334 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
5335 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
5336 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
5337 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
5338 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
5339 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
5340 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5341 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
5342 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
5343 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
5344 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
5345 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
5346 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
5347 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
5348 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
5349 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
5350 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
5351 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
5353 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
5357 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
5358 typeinfo and vtables less greedy.
5359 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
5360 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
5361 * src/c++17/Makefile.in: Regenerate.
5362 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
5363 here, and change name of included file.
5364 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
5365 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
5367 * src/filesystem/Makefile.in: Regenerate.
5368 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
5369 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
5370 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
5371 from dg-options and remove dg-require-filesystem-ts.
5372 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
5373 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
5374 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
5375 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
5376 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
5377 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
5378 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
5379 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
5380 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
5381 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
5382 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
5383 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
5384 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
5385 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
5386 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
5387 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
5388 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
5389 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
5390 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
5391 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
5392 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
5394 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
5395 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
5396 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
5397 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
5398 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
5399 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
5400 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
5401 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
5402 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
5403 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
5404 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
5405 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
5407 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
5409 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5411 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
5413 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
5414 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
5415 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
5416 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
5417 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
5418 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
5419 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
5420 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
5421 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
5422 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
5424 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
5425 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
5426 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
5427 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
5428 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
5431 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
5432 Check is_trivially_copyable instead of is_scalar.
5433 (variant::emplace<N, Args>(Args&&...)): If construction of the new
5434 contained value can throw and its type is trivially copyable then
5435 construct into a temporary variant and move from it, to provide the
5436 strong exception safety guarantee.
5437 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
5439 * testsuite/20_util/variant/87431.cc: New test.
5440 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
5441 conversion causes valueless state.
5444 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
5445 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
5446 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
5447 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
5448 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
5450 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
5452 * include/bits/fs_fwd.h (__file_clock): Define new clock.
5453 (file_time_type): Redefine in terms of __file_clock.
5454 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
5456 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
5458 (internal_file_lock): New helper type for accessing __file_clock.
5459 (do_copy_file): Use internal_file_lock to convert system time to
5461 (last_write_time(const path&, error_code&)): Likewise.
5462 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
5464 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
5466 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
5467 for const member functions of std::basic_string.
5468 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
5470 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
5471 Make non-standard constructor private.
5472 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
5474 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
5475 explicit instantiations for C++17 as well as earlier dialects.
5476 * src/c++17/Makefile.am: Add new source files.
5477 * src/c++17/Makefile.in: Regenerate.
5478 * src/c++17/cow-string-inst.cc: New file defining explicit
5479 instantiations for basic_string member functions added in C++17.
5480 * src/c++17/string-inst.cc: Likewise.
5482 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
5483 copy/move constructors for old std::basic_string.
5484 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
5485 (basic_string::reference, basic_string::const_reference): Define
5486 as plain references for C++11 and later.
5487 (basic_string::basic_string()): Put constructor body outside
5488 preprocessor conditional groups.
5489 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
5490 instead of copying it.
5491 (basic_string::basic_string(const basic_string&, const _Alloc&)):
5493 (basic_string::basic_string(basic_string&&, const _Alloc&)):
5495 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
5496 cases for old basic_string.
5497 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
5498 allocator-extended constructors unconditionally. Add extra members to
5499 allocator type when using old string ABI.
5500 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
5502 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
5504 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
5505 -fno-inline added to test flags.
5507 * testsuite/21_strings/basic_string/requirements/
5508 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
5510 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
5511 assertion failures with old std::string ABI.
5513 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
5515 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
5516 functions that will only erase elements at the end.
5517 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
5518 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
5519 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
5521 (path::_List::pop_back()): Define.
5522 (path::_List::_M_erase_from(const_iterator)): Define.
5523 (path::operator/=(const path&)): Use pop_back to remove last component
5524 and _M_erase_from to remove multiple components.
5525 (path::_M_append(basic_string_view<value_type>)): Likewise.
5526 (path::operator+=(const path&)): Likewise.
5527 (path::_M_concat(basic_string_view<value_type>)): Likewise.
5528 (path::remove_filename()): Likewise.
5529 (path::lexically_normal()): Use _List::_Impl iterators instead of
5530 path::iterator. Use pop_back to remove components from the end. Clear
5531 trailing filename, instead of using erase(const_iterator) to remove
5532 a non-final component.
5533 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
5535 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
5537 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
5538 incorrect treatment of empty filename after trailing slash.
5539 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
5541 * testsuite/21_strings/basic_string/modifiers/assign/char/
5542 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
5544 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
5545 move_assign_optim.cc: Likewise.
5547 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5548 Jakub Jelinek <jakub@redhat.com>
5551 * include/experimental/memory: Replace UTF-8 quote characters.
5552 * include/std/future: Replace UTF-8 "em dash" characters.
5554 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5557 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
5558 * include/debug/forward_list: Likewise.
5559 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
5561 * include/experimental/chrono: Likewise.
5562 * include/experimental/functional: Likewise.
5563 * include/experimental/ratio: Likewise.
5564 * include/experimental/system_error: Likewise.
5565 * include/experimental/tuple: Likewise.
5566 * include/experimental/type_traits: Likewise.
5567 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
5568 * include/parallel/multiseq_selection.h: Likewise.
5571 * config/abi/pre/gnu.ver: Add missing exports.
5572 * testsuite/22_locale/collate_byname/88681.cc: New test.
5573 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
5574 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
5576 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
5578 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
5579 initializer_list<value_type> and from input iterator ranges.
5580 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
5582 * testsuite/experimental/string_view/element_access/char/empty.cc:
5583 Fix year range in copyright header.
5585 2019-01-02 Joel Brobecker <brobecker@adacore.com>
5587 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
5588 Fix year range in copyright header.
5590 2019-01-01 Jakub Jelinek <jakub@redhat.com>
5592 Update copyright years.
5594 Copyright (C) 2019 Free Software Foundation, Inc.
5596 Copying and distribution of this file, with or without modification,
5597 are permitted in any medium without royalty provided the copyright
5598 notice and this notice are preserved.