1 2019-10-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3 * include/parallel/multiway_merge.h (_RAIter3): Replace _C by _Cp.
5 2019-10-02 Jonathan Wakely <jwakely@redhat.com>
7 * config/abi/pre/gnu.ver: Tighten up greedy wildcards.
9 * doc/xml/manual/parallel_mode.xml: Add caveat about support for
11 * doc/html/*: Regenerate.
13 2019-10-01 Jonathan Wakely <jwakely@redhat.com>
15 * include/experimental/algorithm (experimental::sample): Qualify call
16 to __sample correctly.
17 * include/parallel/algo.h (sample, for_each_n): Add using-declarations
18 for algorithms that don't have parallel implementations.
20 * include/parallel/algobase.h (equal, lexicographical_compare): Add
21 _GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
23 * include/parallel/algorithmfwd.h (equal, lexicographical_compare):
24 Add _GLIBCXX20_CONSTEXPR.
26 * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
28 * testsuite/20_util/hash/84998.cc: Likewise.
29 * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
30 * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
31 * testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
32 * testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
33 * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
34 * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
35 * testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
36 * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
38 * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
40 * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
42 * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
44 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
46 * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
47 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
48 * testsuite/25_algorithms/copy/86658.cc: Likewise.
49 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
50 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
51 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
52 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
54 * include/parallel/algo.h: Replace non-reserved names.
55 * include/parallel/multiway_merge.h: Likewise.
56 * include/parallel/multiway_mergesort.h: Likewise.
57 * include/parallel/numericfwd.h: Likewise.
58 * testsuite/17_intro/names.cc: Add RAI to test macros.
60 2019-09-30 François Dumont <fdumont@gcc.gnu.org>
62 * include/debug/array: Add C++20 constexpr to comparison operators.
63 * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
64 dg-error line numbers.
65 * testsuite/23_containers/array/tuple_interface/
66 tuple_element_debug_neg.cc: Likewise.
68 2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
70 * include/experimental/internet: Include netinet/in.h if we have
71 _GLIBCXX_HAVE_NETINET_IN_H defined.
73 * testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
74 FreeBSD warning about lower advertised precision of tgammal.
75 * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
76 * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
77 * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
78 * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
79 * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
80 * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
81 * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
82 * testsuite/tr1/5_numerical_facilities/special_functions/
83 08_cyl_bessel_i/check_nan.cc: Likewise.
84 * testsuite/tr1/5_numerical_facilities/special_functions/
85 09_cyl_bessel_j/check_nan.cc: Likewise.
86 * testuite/tr1/5_numerical_facilities/special_functions/
87 10_cyl_bessel_k/check_nan.cc: Likewise.
88 * testsuite/tr1/5_numerical_facilities/special_functions/
89 11_cyl_neumann/check_nan.cc: Likewise.
90 * testsuite/tr1/5_numerical_facilities/special_functions/
91 21_sph_bessel/check_nan.cc: Likewise.
92 * testsuite/tr1/5_numerical_facilities/special_functions/
93 23_sph_neumann/check_nan.cc: Likewise.
95 2019-09-30 Jonathan Wakely <jwakely@redhat.com>
97 * include/std/span (span(element_type(&)[N]))
98 (span(array<value_type, N>&), span(const array<value_type, N>&)):
99 Deduce array element type to allow safe const conversions (LWG 3255).
100 [!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
101 remove_cv_t on arguments to __is_std_span and __is_std_array.
102 * testsuite/23_containers/span/lwg3255.cc: New test.
105 * include/parallel/checkers.h (__is_sorted): Remove unused variable.
107 2019-09-28 François Dumont <fdumont@gcc.gnu.org>
109 * include/bits/stl_algo.h (merge): Fix documentation.
110 * include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
111 (__check_sorted): Likewise and remove nested irreflexive check.
112 (__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
113 (__check_partitioned_lower, __check_partitioned_upper): Likewise.
114 (_Irreflexive_checker::_S_is_valid): Likewise.
115 (__is_irreflexive, __is_irreflexive_pred): Likewise.
116 * include/debug/helper_functions.h (__get_distance): Add constexpr.
117 (__valid_range_aux): Add C++20 constexpr.
118 (__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
119 Likewise and add std::is_constant_evaluated check.
120 (__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
121 (__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
122 (__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
124 (__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
125 __builtin_is_contant_evaludated check..
126 (__can_advance, __base): Add constexpr.
127 * include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
128 (_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
129 (__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
130 (__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
131 * testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
133 * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
134 * testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
135 lambda to be irreflexive.
137 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
139 * configure: Regenerate.
141 2019-09-27 Jonathan Wakely <jwakely@redhat.com>
144 * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
145 atomically and lock the mutex before accessing the sequence.
146 (_Safe_local_iterator_base::_M_detach()): Likewise.
147 (_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
149 2019-09-26 Jonathan Wakely <jwakely@redhat.com>
151 * include/debug/array (to_array): Define for debug mode.
153 * include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
154 piecewise construction constructor, assignment operators, and swap.
155 * include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
156 Add _GLIBCXX20_CONSTEXPR.
157 (pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
158 * testsuite/20_util/pair/constexpr_assign.cc: New test.
159 * testsuite/20_util/pair/constexpr_swap.cc: New test.
161 * include/experimental/internet (operator==, operator<): Fix loop
162 condition to avoid reading past the end of the array.
164 * include/std/array: Remove references to profile mode.
165 * include/std/bitset: Likewise.
166 * include/std/deque: Likewise.
167 * include/std/forward_list: Likewise.
168 * include/std/list: Likewise.
169 * include/std/map: Likewise.
170 * include/std/set: Likewise.
171 * include/std/unordered_map: Likewise.
172 * include/std/unordered_set: Likewise.
173 * include/std/vector: Likewise.
174 * testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
175 * testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
177 2019-09-25 Jonathan Wakely <jwakely@redhat.com>
179 * include/bits/regex.h
180 (basic_regex::assign(const C*, size_t, flag_type)): Add default
182 * testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
183 * testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
185 2019-09-24 Jonathan Wakely <jwakely@redhat.com>
187 * include/std/variant (variant::index()): Remove impossible case.
190 * testsuite/util/testsuite_hooks.h
191 (conversion::iterator_to_const_iterator()): Do not return an invalid
192 iterator. Test direct-initialization and direct-list-initialization
193 as well as implicit conversion.
195 2019-09-23 Jonathan Wakely <jwakely@redhat.com>
197 PR libstdc++/91788 (partial)
198 * include/std/variant (variant::index()): Improve codegen for cases
199 where conversion to size_t already works correctly.
201 2019-09-23 Andreas Schwab <schwab@suse.de>
203 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
205 2019-09-12 Jonathan Wakely <jwakely@redhat.com>
208 * include/bits/stl_algo.h (for_each_n): Fix random access iterator
210 * testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
213 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
215 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
218 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
219 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
220 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
223 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
225 * include/std/type_traits (__do_common_type_impl): Implement
226 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
227 (basic_common_reference, common_reference, common_reference_t): Define
229 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
231 * testsuite/20_util/common_reference/requirements/
232 explicit_instantiation.cc: New test.
233 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
236 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
237 non-template overloads for each signed and unsigned integer type and
238 char. Define deleted overload for bool (LWG 3266).
239 * testsuite/20_util/to_chars/1_neg.cc: Remove.
240 * testsuite/20_util/to_chars/3.cc: New test.
241 * testsuite/20_util/to_chars/lwg3266.cc: New test.
243 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
245 * acinclude.m4: Handle uclinux*.
246 * configure: Regenerate.
247 * configure.host: Handle uclinux*
249 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
250 Mickaël Guêné <mickael.guene@st.com>
252 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
255 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
258 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
259 0ul being a valid null pointer constant.
261 * include/std/type_traits (__remove_cv_t): New alias template.
262 (is_void, is_integral, is_floating_point, is_pointer)
263 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
264 (is_member_point), __is_signed_integer, __is_unsigned_integer)
265 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
266 (__decay_selector): Use __remove_cv_t.
267 (remove_cv): Add partial specializations for cv-qualified types.
268 (__decay_t): New alias template.
269 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
271 (__enable_if_t): Move earlier in the file.
272 (_Require): Use __enable_if_t.
273 (swap(T&, T&)): Use _Require.
274 (swap(T(&)[N])): Use __enable_if_t.
276 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
278 Implement C++20 p1424 - 'constexpr' feature macro concerns,
279 Issue 3256 - Feature testing macro for constexpr algorithms,
280 and Issue 3257 - Missing feature testing macro update from P0858.
281 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
282 * include/bits/algorithmfwd.h: Ditto.
283 * include/std/utility: Ditto.
284 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
285 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
286 __cpp_lib_constexpr macro in <algorith>.
287 * testsuite/20_util/exchange/constexpr.cc: Add check for
288 __cpp_lib_constexpr macro in <utility>.
289 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
290 __cpp_lib_constexpr_algorithms.
291 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
292 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
293 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
294 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
295 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
296 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
297 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
298 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
299 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
300 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
301 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
302 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
303 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
304 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
305 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
306 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
307 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
308 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
309 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
310 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
311 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
312 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
313 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
314 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
315 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
316 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
317 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
318 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
319 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
320 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
321 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
322 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
323 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
324 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
325 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
326 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
327 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
328 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
329 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
330 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
331 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
332 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
333 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
334 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
335 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
336 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
337 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
338 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
339 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
340 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
341 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
342 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
343 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
345 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
347 Update docs for recent <span> and constexpr lib changes.
348 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
349 p1023r0, p1085r2 status.
350 * doc/html/manual/status.html: Regenerate.
352 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
354 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
355 final offsets with constants.
357 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
359 * include/bits/range_access.h (__adl_to_address): Remove.
360 * include/std/span (__is_base_derived_safe_convertible_v): Replace
361 with span::__is_compatible.
362 (__is_std_array_v): Replace with __is_std_array class template and
363 partial specializations.
364 (__is_std_array, __is_std_span): New class templates and partial
366 (span::__is_compatible): New alias template for SFINAE constraints.
367 (span::span(element_type (&)[N])): Remove redundant constraints. Do
368 not use __adl_data to obtain a pointer.
369 (span::span(array<value_type, N>&)): Likewise.
370 (span::span(const array<value_type, N>&)): Likewise.
371 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
372 (span::iter_value_t, span::derived_from): New alias templates for
373 SFINAE constraints, until the equivalents are supported in <concepts>
375 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
376 for SFINAE constraints.
377 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
379 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
380 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
381 Use std::to_address instead of __adl_to_address.
382 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
383 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
384 template for SFINAE constraints.
385 [!_GLIBCXX_P1394] (span::span(Container&))
386 (span::span(const Container&)): Improve constraints.
387 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
388 (span::span(pointer, pointer)): Remove redundant cast of pointer.
389 (span(const span<OType, OExtent>&)): New constructor.
391 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
393 * include/bits/range_access.h (ssize): Define for C++20.
394 * testsuite/24_iterators/range_access_cpp20.cc: New test.
395 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
396 * doc/html/*: Regenerate.
398 2019-09-06 Florian Weimer <fweimer@redhat.com>
400 * configure: Regenerate.
402 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
404 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
405 P1024R3. Remove entry for P0920R2.
406 * include/std/span (__cpp_lib_span): Change value.
407 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
409 (span): Replace __extent_storage base class with data member.
410 (span::_S_subspan_extent): New function.
411 (span::empty()): Add nodiscard attribute.
412 (span::front, span::back, span::operator[]): Check preconditions.
413 (span::first, span::last, span::subspan): Add noexcept. Improve
414 precondition checks (LWG 3103).
415 (get): Remove redundant condition from static_assert.
416 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
417 (as_writable_bytes): Add inline specifier.
418 * include/std/version (__cpp_lib_span): Change value.
419 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
420 * testsuite/23_containers/span/front_neg.cc: Likewise.
421 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
422 * testsuite/23_containers/span/last_neg.cc: Improve test.
423 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
424 * testsuite/23_containers/span/1.cc: New test.
425 * testsuite/23_containers/span/2.cc: New test.
426 * testsuite/23_containers/span/back_assert_neg.cc: New test.
427 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
428 * testsuite/23_containers/span/first_assert_neg.cc: New test.
429 * testsuite/23_containers/span/first_neg.cc: New test.
430 * testsuite/23_containers/span/front_assert_neg.cc: New test.
431 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
432 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
433 * testsuite/23_containers/span/last_assert_neg.cc: New test.
434 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
435 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
436 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
437 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
438 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
439 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
441 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
443 * include/Makefile.am: Add <span> header.
444 * include/Makefile.in: Regenerate.
445 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
446 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
447 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
448 New functions for performing argument-dependent lookup of range
449 customization points.
450 * include/bits/stl_iterator.h (__normal_iterator): Add
451 _GLIBCXX20_CONSTEXPR to all functions.
452 * include/std/span: New header.
453 * include/std/version (__cpp_lib_span): Define feature test macro.
454 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
455 * testsuite/23_containers/span/everything.cc: New test.
456 * testsuite/23_containers/span/get_neg.cc: New test.
457 * testsuite/23_containers/span/last_neg.cc: New test.
458 * testsuite/23_containers/span/subspan_neg.cc: New test.
459 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
460 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
461 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
463 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
465 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
466 * doc/html/*: Regenerate.
468 2019-09-04 Mike Crowe <mac@mcrowe.com>
471 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
472 pthread_cond_clockwait function.
473 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
474 * configure: Regenerate.
475 * config.h.in: Regenerate.
476 * include/std/condition_variable: (condition_variable): Rename
477 __steady_clock_t typedef and add system_clock. Change __clock_t to be
478 a typedef for the preferred clock to convert arbitrary other clocks to.
479 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
481 (wait_until): Change __clock_t overload to use system_clock.
482 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
483 steady_clock overload that calls pthread_cond_clockwait.
484 (__wait_until_impl): Change __clock_t overload to use system_clock.
485 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
486 steady_clock for __clock_t if pthread_cond_clockwait is available.
488 2019-09-04 Mike Crowe <mac@mcrowe.com>
490 * testsuite/30_threads/condition_variable/members/2.cc (test01):
491 Parameterise so that test can be run against an arbitrary clock.
492 (main): Test using std::chrono::steady_clock and a user-defined
493 clock in addition to the previous std::chrono::system_clock.
494 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
496 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
498 * crossconfig.m4: Remove references to spu.
499 * configure: Regenerate.
500 * doc/xml/manual/appendix_contributing.xml: Remove references
501 to __ea as "badword" for spu.
502 * doc/html/manual/source_code_style.html: Regenerate.
503 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
504 to avoid __ea (as "badword" for spu).
505 (__ellint_rj): Likewise.
507 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
510 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
511 scanning to conform to the GNU Coding Standards.
512 * configure: Regenerate.
514 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
516 * src/c++17/memory_resource.cc: Use __constinit keyword.
518 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
520 * doc/xml/manual/abi.xml: Document 9.x library versions.
521 * doc/html/*: Regenerate.
523 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
525 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
526 (__detail::__to_chars_8_len): Remove.
527 (__detail::__to_chars_8): Inline length calculation here.
528 (__detail::__from_chars_binary): Use numeric_limits instead of
531 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
533 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
534 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
535 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
536 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
539 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
541 * testsuite_files/util/testsuite_performance.h
542 (resource_counter::start): Ignore unused malloc(0) result.
544 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
546 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
547 Model Object Technologies): Adjust name and link.
549 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
551 * include/std/charconv (__detail::__to_chars_8)
552 __detail::__to_chars_16): Replace array of precomputed digits with
553 arithmetic operations to avoid CPU cache misses. Remove zero
554 termination from array of digits to allow symbol merge with generic
555 implementation of __detail::__to_chars. Replace final offsets with
556 constants. Use __detail::__to_chars_len_2 instead of a generic
557 __detail::__to_chars_len.
558 (__detail::__to_chars): Remove zero termination from array of digits.
559 (__detail::__to_chars_2): Leading digit is always '1'.
561 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
563 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
565 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
567 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
569 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
572 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
573 to template parameters.
574 * include/bits/stl_uninitialized.h (uninitialized_copy)
575 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
576 diagnose invalid uses.
577 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
578 Adjust expected error.
579 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
581 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
583 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
585 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
587 * testsuite/23_containers/vector/cons/89164.cc: New test.
588 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
590 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
593 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
594 * configure: Regenerate.
595 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
597 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
599 * testsuite/util/testsuite_abi.cc: Add new symbol version.
601 2019-08-29 Jakub Jelinek <jakub@redhat.com>
603 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
604 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
606 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
608 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
609 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
610 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
611 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
612 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
613 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
614 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
616 2019-08-23 Joseph Myers <joseph@codesourcery.com>
618 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
619 (std::filesystem::__gnu_posix::lstat): Add return type.
621 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
623 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
625 * include/std/numeric (reduce): Fix Doxygen markup.
628 * include/std/type_traits (is_function): Simplify definition. Remove
629 partial specializations for function types.
630 (__is_referenceable): Simplify definition.
631 * testsuite/20_util/bind/91371.cc: New test.
632 * testsuite/20_util/is_function/91371.cc: New test.
633 * testsuite/20_util/is_function/value.cc: Check more pointer types.
634 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
635 * testsuite/20_util/is_object/91371.cc: New test.
637 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
639 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
641 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
644 * include/bits/std_function.h (__check_func_return_type): Remove.
645 (function::_Callable): Use std::__is_invocable_impl instead of
646 __check_func_return_type.
647 * include/std/type_traits (__is_invocable_impl): Add another defaulted
648 template parameter. Define a separate partial specialization for
649 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
650 with a check that models delayed temporary materialization.
651 * testsuite/20_util/function/91456.cc: New test.
652 * testsuite/20_util/is_invocable/91456.cc: New test.
654 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
656 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
658 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
660 Implement C++20 p0879 - Constexpr for swap and swap related functions.
661 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
662 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
664 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
665 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
666 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
667 * include/bits/move.h (swap): Add constexpr.
668 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
669 (__gcd, __rotate, rotate, __partition, __heap_select)
670 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
671 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
672 (__introselect, __chunk_insertion_sort, next_permutation)
673 (prev_permutation, partition, partial_sort, nth_element, sort)
674 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
675 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
676 (swap_ranges): Add constexpr.
677 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
678 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
680 * include/std/type_traits (swap): Add constexpr.
681 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
682 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
683 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
684 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
685 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
686 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
687 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
688 * testsuite/25_algorithms/partition/constexpr.cc: New test.
689 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
690 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
691 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
692 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
693 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
694 * testsuite/25_algorithms/sort/constexpr.cc: New test.
695 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
696 * testsuite/25_algorithms/swap/constexpr.cc: New test.
697 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
699 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
702 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
704 * include/std/tuple (__unpack_std_tuple): New variable template and
705 partial specializations.
706 (apply, make_from_tuple): Add noexcept-specifier.
707 * testsuite/20_util/tuple/apply/2.cc: New test.
708 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
710 2019-08-09 Corentin Gay <gay@adacore.com>
712 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
713 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
714 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
715 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
716 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
717 Add call to `VERIFY`.
719 2019-08-09 Alexandre Oliva <oliva@adacore.com>
722 (normal_mv_distribution::param_type::param_type): New private
723 ctor taking a decomposed varcov matrix, for use by...
724 (operator>>): ... this, befriended.
725 * include/ext/random.tcc (operator>>): Use it.
726 (normal_mv_distribution::param_type::_M_init_lower): Adjust
727 member function name in exception message.
729 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
731 P0325R4 to_array from LFTS with updates
732 * include/experimental/array (to_array): Qualify call to __to_array.
733 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
734 * include/std/version (__cpp_lib_to_array): Likewise.
735 * testsuite/23_containers/array/creation/1.cc: New test.
736 * testsuite/23_containers/array/creation/2.cc: New test.
737 * testsuite/23_containers/array/creation/3_neg.cc: New test.
738 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
739 Use zero for dg-error line number.
741 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
743 P1651R0 bind_front should not unwrap reference_wrapper
744 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
745 * include/std/version (__cpp_lib_bind_front): Update value.
746 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
748 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
750 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
751 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
752 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
753 specializations for __float128.
754 * testsuite/26_numerics/numbers/float128.cc: New test.
756 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
758 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
761 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
763 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
764 in <algorithm> and <utility> Headers.
765 Implement C++20 p1023 - constexpr comparison operators for std::array.
766 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
767 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
768 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
769 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
770 none_of, partition_copy, partition_point, remove, remove_if,
771 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
772 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
773 count_if, equal, find, find_first_of, find_if, for_each, generate,
774 generate_n, lexicographical_compare, merge, mismatch, replace,
775 replace_if, search, search_n, set_difference, set_intersection,
776 set_symmetric_difference, set_union, transform, unique_copy):
778 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
779 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
780 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
781 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
782 Use const ref instead of ref arg;
783 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
784 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
785 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
786 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
787 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
788 __iter_comp_iter): Mark constexpr.
789 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
790 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
791 none_of, any_of, find_if_not, is_partitioned, partition_point,
792 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
793 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
794 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
795 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
796 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
797 __equal_range, equal_range, binary_search, __includes, includes,
798 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
799 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
800 is_sorted_until, __is_permutation, is_permutation, for_each, find,
801 find_if, find_first_of, adjacent_find, count, count_if, search,
802 search_n, transform, replace, replace_if, generate, generate_n,
803 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
804 set_intersection, __set_difference, set_difference,
805 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
806 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
807 wrappers around __builtin_memmove and __builtin_memcmp
809 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
810 copy, move, __copy_move_b, __copy_move_backward_a,
811 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
812 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
813 __lexicographical_compare_impl, __lexicographical_compare,
814 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
815 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
816 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
817 is_heap): Mark constexpr.
818 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
819 is_heap): Mark constexpr.
820 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
821 * include/std/array: Make comparison ops constexpr.
822 * include/std/utility: Make exchange constexpr.
823 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
824 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
825 * testsuite/23_containers/array/tuple_interface/
826 tuple_element_neg.cc: Adjust.
827 * testsuite/20_util/exchange/constexpr.cc: New.
828 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
829 * testsuite/25_algorithms/constexpr_macro.cc: New.
830 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
831 * testsuite/25_algorithms/all_of/constexpr.cc: New.
832 * testsuite/25_algorithms/any_of/constexpr.cc: New.
833 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
834 * testsuite/25_algorithms/copy/constexpr.cc: New.
835 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
836 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
837 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
838 * testsuite/25_algorithms/count/constexpr.cc: New.
839 * testsuite/25_algorithms/count_if/constexpr.cc: New.
840 * testsuite/25_algorithms/equal/constexpr.cc: New.
841 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
842 * testsuite/25_algorithms/fill/constexpr.cc: New.
843 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
844 * testsuite/25_algorithms/find/constexpr.cc: New.
845 * testsuite/25_algorithms/find_end/constexpr.cc: New.
846 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
847 * testsuite/25_algorithms/find_if/constexpr.cc: New.
848 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
849 * testsuite/25_algorithms/for_each/constexpr.cc: New.
850 * testsuite/25_algorithms/generate/constexpr.cc: New.
851 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
852 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
853 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
854 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
855 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
856 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
857 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
858 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
859 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
860 * testsuite/25_algorithms/merge/constexpr.cc: New.
861 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
862 * testsuite/25_algorithms/none_of/constexpr.cc: New.
863 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
864 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
865 * testsuite/25_algorithms/remove/constexpr.cc: New.
866 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
867 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
868 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
869 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
870 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
871 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
872 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
873 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
874 * testsuite/25_algorithms/search/constexpr.cc: New.
875 * testsuite/25_algorithms/search_n/constexpr.cc: New.
876 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
877 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
878 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
879 * testsuite/25_algorithms/set_union/constexpr.cc: New.
880 * testsuite/25_algorithms/transform/constexpr.cc: New.
881 * testsuite/25_algorithms/unique/constexpr.cc: New.
882 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
883 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
885 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
887 * include/std/memory (make_obj_using_allocator): Qualify call to
888 uses_allocator_construction_args.
890 P0631R4 Math Constants
891 * include/Makefile.am: Add new header.
892 * include/Makefile.in: Regenerate.
893 * include/precompiled/stdc++.h: Include new header.
894 * include/std/numbers: New header.
895 * include/std/version (__cpp_lib_math_constants): Define.
896 * testsuite/26_numerics/numbers/1.cc: New test.
897 * testsuite/26_numerics/numbers/2.cc: New test.
898 * testsuite/26_numerics/numbers/3.cc: New test.
899 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
901 * include/std/bit: Add Doxygen comments.
904 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
905 constraints on deleter that should only apply to the constructor.
906 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
907 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
908 constraints on deleter here.
909 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
911 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
914 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
916 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
918 * testsuite/18_support/51333.cc: New test.
920 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
922 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
923 to the Doxygen manual. Avoid a "here" link on the way.
924 Fix another broken link to Doxygen docblocks.
926 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
928 * include/std/bit (__cpp_lib_endian): Define.
929 * include/std/version (__cpp_lib_endian): Define.
930 * testsuite/26_numerics/endian/2.cc: New.
931 * testsuite/26_numerics/endian/3.cc: New.
932 * testsuite/26_numerics/endian/4.cc: New.
934 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
936 * testsuite/util/testsuite_iterators.h
937 (bidirectional_iterator_wrapper): Fix type comment.
938 (random_access_iterator_wrapper): Likewise.
940 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
942 * include/std/bit (endian): Move definition here as per P1612R1.
943 * include/std/type_traits (endian): Remove definition from here.
944 * testsuite/20_util/endian/1.cc: Rename to ...
945 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
947 2019-07-25 Martin Liska <mliska@suse.cz>
948 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
951 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
953 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
954 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
955 * testsuite/ext/new_allocator/check_new.cc: Likewise.
957 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
959 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
960 * testsuite/26_numerics/bit/bit.count/*: Here.
962 * include/std/bit (__rotl, __rotr): Change second parameter from
963 unsigned int to int and handle negative values.
964 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
965 parameter from unsigned int to int. Add nodiscard attribute.
966 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
967 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
969 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
970 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
973 * include/std/bit (__ceil2): Make unrepresentable results undefined,
974 as per P1355R2. Add debug assertion. Perform one left shift, not two,
975 so that out of range values cause undefined behaviour. Ensure that
976 shift will still be undefined if left operand is promoted.
977 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
978 unrepresentable values with checks that they are not core constant
980 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
982 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
984 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
985 sized deallocation size computation.
987 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
989 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
991 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
993 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
994 (~_Temporary_buffer()): Use latter.
995 (_Temporary_buffer(_FIterator, size_type)): Likewise.
997 2019-07-17 Andreas Schwab <schwab@suse.de>
999 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1001 2019-07-16 Jason Merrill <jason@redhat.com>
1003 * include/std/memory (uses_allocator_construction_args): Add parens
1006 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
1008 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
1010 * include/experimental/string_view (__detail::__idt): Remove.
1011 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1012 Use __type_identity_t instead of __detail::__idt;
1013 * include/std/string_view (__detail::__idt): Remove.
1014 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1015 Use __type_identity_t instead of __detail::__idt;
1016 * include/std/type_traits (__type_identity_t): New alias template.
1018 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
1019 and floating point atomics.
1021 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
1023 * doc/xml/manual/configure.xml: Improve documentation of
1024 --enable-libstdcxx-time option.
1026 * include/bits/atomic_base.h (__atomic_impl): New namespace for
1027 wrappers around atomic built-ins.
1028 (__atomic_float, __atomic_ref): New class templates for use as base
1030 * include/std/atomic (atomic<float>, atomic<double>)
1031 (atomic<long double>): New explicit specializations.
1032 (atomic_ref): New class template.
1033 (__cpp_lib_atomic_ref): Define.
1034 * include/std/version (__cpp_lib_atomic_ref): Define.
1035 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
1036 * testsuite/29_atomics/atomic_float/1.cc: New test.
1037 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
1038 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
1039 * testsuite/29_atomics/atomic_ref/float.cc: New test.
1040 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
1041 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
1042 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
1043 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
1045 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
1047 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
1048 throw() with _GLIBCXX_NOTHROW.
1049 (__atomic_add_dispatch): Return after performing atomic increment.
1051 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
1053 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
1054 (__exchange_and_add): Replace static specifier with always_inline
1056 (__exchange_and_add_single, __atomic_add_single): Likewise.
1057 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
1058 combine !__gthread_active_p() and !__GTHREADS branches.
1060 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
1063 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
1064 * configure: Regenerate.
1065 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
1067 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
1068 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1070 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
1072 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
1073 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
1074 instead of __is_identifier to detect Clang support.
1076 2019-07-02 Jim Wilson <jimw@sifive.com>
1078 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
1080 * configure: Regenerate.
1082 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
1085 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
1086 for the what_arg parameters.
1087 (filesystem_error::filesystem_error): Pass system_error::what() to
1088 the _Impl constructor.
1089 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
1090 filesystem_error::what() contains system_error::what().
1092 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
1094 * include/std/charconv (chars_format): Define bitmask type.
1095 * testsuite/20_util/to_chars/chars_format.cc: New test.
1097 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
1098 * include/std/bit (_If_is_unsigned_integer_type): Remove.
1099 (_If_is_unsigned_integer): Use __is_unsigned_integer.
1100 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
1101 (countl_one(byte), countr_zero(byte), countr_one(byte))
1102 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
1103 (log2p1(byte)): Remove.
1104 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
1105 (__detail::__is_int_to_chars_type): Remove.
1106 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
1107 and __is_unsigned_integer.
1108 * include/std/type_traits (__is_one_of): Move here from <charconv>.
1109 (__is_signed_integer, __is_unsigned_integer): New helpers.
1110 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
1112 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
1113 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
1114 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
1115 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
1116 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1117 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1118 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1119 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1120 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
1121 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
1123 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
1125 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
1128 2019-06-25 Jakub Jelinek <jakub@redhat.com>
1130 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1131 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1132 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1133 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1135 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
1137 * include/std/numeric (midpoint(T, T)): Change implementation for
1138 floating-point types to avoid incorrect rounding of denormals.
1139 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
1140 rounding with denormals.
1141 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
1142 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1144 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
1146 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
1148 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
1150 * configure: Regenerate.
1152 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
1153 Qualify calls to __never_valueless.
1155 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
1156 C++17 working draft.
1158 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
1159 vector<bool> for test.
1160 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1162 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1164 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
1166 (istream_iterator::_M_read()): Do not check stream state before
1167 attempting extraction. Set stream pointer to null when extraction
1169 (operator==(const istream_iterator&, const istream_iterator&)): Change
1170 to be a hidden friend of istream_iterator.
1171 (operator!=(const istream_iterator&, const istream_iterator&)):
1173 (ostream_iterator::ostream_iterator()): Add default constructor.
1174 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
1176 * testsuite/24_iterators/istream_iterator/1.cc: New test.
1177 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
1178 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
1179 constructor taking a string.
1180 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
1183 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
1184 Jonathan Wakely <jwakely@redhat.com>
1187 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
1188 values of type bool for vector<bool> elements.
1189 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
1190 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1192 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1194 PR libstdc++/90920 partially revert r263433
1195 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
1196 (rotate): Remove checks.
1197 * testsuite/25_algorithms/rotate/90920.cc: New test.
1199 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
1200 category used in invocable check.
1201 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
1202 * testsuite/26_numerics/reduce/2.cc: New test.
1204 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
1206 * include/bits/algorithmfwd.h: Change title of doc group.
1207 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
1209 * include/bits/stl_numeric.h: Define doc group and add algos to it.
1210 * include/std/numeric (__is_random_access_iter): New internal trait.
1211 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
1212 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
1213 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
1214 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
1215 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
1216 * testsuite/26_numerics/reduce/1.cc: New test.
1217 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
1218 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
1219 * testsuite/26_numerics/transform_reduce/1.cc: New test.
1220 * testsuite/util/testsuite_iterators.h (test_container::size()): New
1223 * include/c_global/cstddef (std::byte): Perform arithmetic operations
1224 in unsigned int to avoid promotion (LWG 2950).
1226 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1228 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
1231 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
1233 PR libstdc++/90281 Fix string conversions for filesystem::path
1234 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1235 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
1236 __str_codecvt_in_all to fail for partial conversions and throw on
1238 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
1239 (path::_Cvt<char8_t>): Add explicit specialization.
1240 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
1242 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1243 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
1244 instead of codecvt_utf8. Use __str_codecvt_in_all and
1245 __str_codecvt_out_all.
1246 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1247 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1248 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1249 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1250 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
1251 after converting to UTF-8.
1252 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
1253 __str_codecvt_in_all.
1254 (path::string): Fix initialization of string types with different
1256 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1257 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1258 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
1260 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
1261 return false for partial conversions.
1262 * include/experimental/bits/fs_path.h (u8path):
1263 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
1264 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
1265 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
1266 instead of codecvt_utf8. Use __str_codecvt_in_all and
1267 __str_codecvt_out_all.
1268 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1269 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1270 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1271 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1272 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
1273 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1274 __str_codecvt_in_all.
1275 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1276 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1277 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
1278 __str_codecvt_in_all.
1279 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
1280 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
1281 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
1282 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
1283 strings and with Unicode characters outside the basic multilingual
1285 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
1286 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
1287 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
1288 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
1289 * testsuite/experimental/filesystem/path/native/string.cc: Test with
1290 empty strings and with Unicode characters outside the basic
1293 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
1294 Jonathan Wakely <jwakely@redhat.com>
1296 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
1297 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
1298 deallocate node if insertion fails.
1299 (_Hashtable::_M_insert_multi_node): Likewise.
1300 (_Hashtable::_M_reinsert_node): Pass additional key argument.
1301 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
1302 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
1303 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
1304 (_Hashtable::extract(const _Key&)): Likewise.
1305 (_Hashtable::_M_merge_unique): Pass additional key argument.
1306 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
1308 (_Hashtable::_M_insert): Likewise.
1309 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
1310 (_Hashtable_alloc): Add comments to functions with misleading names.
1312 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1314 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
1316 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
1317 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
1318 header for std::allocator.
1319 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
1320 using-declaration for std::size_t.
1321 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
1323 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
1325 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
1326 * testsuite/experimental/map/erasure.cc: Include <string> for
1328 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
1330 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
1332 * include/experimental/type_traits (experimental::nonesuch): Use
1333 pragma to disable -Wctor-dtor-privacy warnings.
1334 * include/std/type_traits (__is_convertible_helper<From, To, false>)
1335 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
1337 * include/std/version (__cpp_lib_bind_front): Add missing macro.
1339 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
1341 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
1342 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
1343 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
1344 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
1346 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
1347 (variant::emplace): Change static_assert messages from "should be"
1349 (hash<monostate>::operator()): Remove name of unused parameter.
1351 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
1354 * include/Makefile.am: Add new <bits/charconv.h> header.
1355 * include/Makefile.in: Regenerate.
1356 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
1357 (to_string(long), to_string(unsigned long), to_string(long long))
1358 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
1359 * include/bits/charconv.h: New header.
1360 (__detail::__to_chars_len): Move here from <charconv>.
1361 (__detail::__to_chars_10_impl): New function extracted from
1362 __detail::__to_chars_10.
1363 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
1364 (__to_chars_unsigned_type): New class template that reuses
1365 __make_unsigned_selector_base::__select to pick a type.
1366 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
1367 (__detail::__to_chars_len): Move to new header.
1368 (__detail::__to_chars_10): Add inline specifier. Move code doing the
1369 output to __detail::__to_chars_10_impl and call that.
1370 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
1371 * testsuite/21_strings/basic_string/numeric_conversions/char/
1372 to_string.cc: Fix reference in comment. Remove unused variable.
1373 * testsuite/21_strings/basic_string/numeric_conversions/char/
1374 to_string_int.cc: New test.
1376 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1378 Fix ConstexprIterator requirements tests - No constexpr algorithms!
1379 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1380 Replace copy with hand-rolled loop.
1381 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1384 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
1386 Test for C++20 p0858 - ConstexprIterator requirements.
1387 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1389 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1392 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
1394 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
1396 * include/bits/c++config: Rename all macros of the form __PSTL* to
1398 * include/std/algorithm: Likewise.
1399 * include/std/execution: Likewise.
1400 * include/std/numeric: Likewise.
1401 * include/std/memory: Likewise.
1402 * include/pstl/glue_memory_impl.h: Likewise.
1403 * include/pstl/numeric_impl.h: Likewise.
1404 * include/pstl/glue_memory_defs.h: Likewise.
1405 * include/pstl/execution_defs.h: Likewise.
1406 * include/pstl/utils.h: Likewise.
1407 * include/pstl/algorithm_fwd.h: Likewise.
1408 * include/pstl/unseq_backend_simd.h: Likewise.
1409 * include/pstl/glue_execution_defs.h: Likewise.
1410 * include/pstl/algorithm_impl.h: Likewise.
1411 * include/pstl/parallel_impl.h: Likewise.
1412 * include/pstl/memory_impl.h: Likewise.
1413 * include/pstl/glue_numeric_defs.h: Likewise.
1414 * include/pstl/parallel_backend_utils.h: Likewise.
1415 * include/pstl/glue_algorithm_defs.h: Likewise.
1416 * include/pstl/parallel_backend.h: Likewise.
1417 * include/pstl/glue_numeric_impl.h: Likewise.
1418 * include/pstl/parallel_backend_tbb.h: Likewise.
1419 * include/pstl/numeric_fwd.h: Likewise.
1420 * include/pstl/glue_algorithm_impl.h: Likewise.
1421 * include/pstl/execution_impl.h: Likewise.
1422 * include/pstl/pstl_config.h: Likewise.
1423 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1424 * testsuite/util/pstl/test_utils.h: Likewise.
1425 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1427 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1429 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1431 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
1432 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
1433 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
1434 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
1435 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1437 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
1438 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
1439 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
1440 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
1441 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1443 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
1444 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
1445 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
1446 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
1447 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1449 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
1450 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
1451 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1453 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1455 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
1456 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1457 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1459 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1461 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
1463 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
1465 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
1467 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
1469 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
1471 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
1473 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
1475 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
1477 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
1479 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
1481 Rename header guards to be consistent with upstream project's
1483 * include/pstl/glue_memory_impl.h: Rename all macros of the form
1484 _PSTL_(.*)_H to _PSTL_\U\1_H.
1485 * include/pstl/numeric_impl.h: Likewise.
1486 * include/pstl/glue_memory_defs.h: Likewise.
1487 * include/pstl/execution_defs.h: Likewise.
1488 * include/pstl/utils.h: Likewise.
1489 * include/pstl/algorithm_fwd.h: Likewise.
1490 * include/pstl/unseq_backend_simd.h: Likewise.
1491 * include/pstl/glue_execution_defs.h: Likewise.
1492 * include/pstl/algorithm_impl.h: Likewise.
1493 * include/pstl/parallel_impl.h: Likewise.
1494 * include/pstl/memory_impl.h: Likewise.
1495 * include/pstl/glue_numeric_defs.h: Likewise.
1496 * include/pstl/parallel_backend_utils.h: Likewise.
1497 * include/pstl/glue_algorithm_defs.h: Likewise.
1498 * include/pstl/parallel_backend.h: Likewise.
1499 * include/pstl/glue_numeric_impl.h: Likewise.
1500 * include/pstl/parallel_backend_tbb.h: Likewise.
1501 * include/pstl/numeric_fwd.h: Likewise.
1502 * include/pstl/glue_algorithm_impl.h: Likewise.
1503 * include/pstl/execution_impl.h: Likewise.
1504 * include/pstl/pstl_config.h: Likewise.
1505 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1507 Synchronize libstdc++ parallel algorithms with upstream
1509 * include/pstl/algorithm_fwd.h: Synchronize with
1510 upstream PSTL project.
1511 * include/pstl/algorithm_impl.h: Likewise.
1512 * include/pstl/execution_defs.h: Likewise.
1513 * include/pstl/execution_impl.h: Likewise.
1514 * include/pstl/glue_algorithm_impl.h: Likewise.
1515 * include/pstl/glue_execution_defs.h: Likewise.
1516 * include/pstl/numeric_fwd.h: Likewise.
1517 * include/pstl/numeric_impl.h: Likewise.
1518 * include/pstl/parallel_backend.h: Likewise.
1519 * include/pstl/pstl_config.h: Likewise.
1520 * include/pstl/unseq_backend_simd.h: Likewise.
1521 * include/pstl/parallel_backend_serial.h: New file.
1522 * include/Makefile.am (pstl_headers): Add
1523 parallel_backend_serial.h.
1524 * include/Makefile.in: Regenerate.
1526 Clean up non-conforming names
1527 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
1528 Uglfiy copy_range1 and copy_range2
1529 (__pattern_walk2_n): Rename local n to __n
1530 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
1531 Rename parameter _T to _Tp.
1533 Integrate non-TBB serial backend support
1534 * include/bits/c++config: Adjust TBB detection logic to select serial
1535 PSTL backend if no TBB present.
1536 * testsuite/utils/pstl/test_utils.h: Remove check for
1537 _PSTL_USE_PAR_POLICIES
1539 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
1541 * testsuite/24_iterators/container_access.cc: Move dg-options before
1542 dg-do directive so the target check uses the -std option.
1545 * configure: Regenerate.
1546 * src/Makefile.am (stamp-debug): Also test for missing makefile.
1547 * src/Makefile.in: Regenerate.
1549 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
1551 * include/std/array: Do not include <stdexcept>.
1552 * include/std/optional: Include <exception> and
1553 <bits/exception_defines.h> instead of <stdexcept>.
1554 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
1556 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
1558 * testsuite/23_containers/map/erasure.cc: Include <string>.
1559 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
1561 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
1562 dg-prune-output for different C++98 diagnostic.
1563 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
1565 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
1567 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
1569 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
1571 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
1573 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
1575 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
1577 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
1579 * testsuite/23_containers/vector/requirements/dr438/
1580 constructor_1_neg.cc: Likewise.
1581 * testsuite/23_containers/vector/requirements/dr438/
1582 constructor_2_neg.cc: Likewise.
1583 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
1585 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
1587 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
1588 Do not test allocator rebinding extension for C++2a.
1589 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
1590 dg-do directive for C++17 and C++2a.
1592 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1593 1_c++0x.cc: Remove redundant test.
1594 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1595 2.cc: Use target selector instead of preprocessor condition.
1596 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1597 3.cc: Do not run test for C++2a.
1598 * testsuite/23_containers/forward_list/requirements/
1599 explicit_instantiation/3.cc: Likewise.
1600 * testsuite/23_containers/forward_list/requirements/
1601 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1603 * testsuite/23_containers/list/requirements/explicit_instantiation/
1604 1_c++0x.cc: Remove redundant test.
1605 * testsuite/23_containers/list/requirements/explicit_instantiation/
1606 2.cc: Use target selector instead of preprocessor condition.
1607 * testsuite/23_containers/list/requirements/explicit_instantiation/
1608 3.cc: Do not run test for C++2a.
1609 * testsuite/23_containers/list/requirements/explicit_instantiation/
1610 5.cc: Do not test allocator rebinding extension for C++2a.
1611 * testsuite/23_containers/map/requirements/explicit_instantiation/
1612 1_c++0x.cc: Remove redundant test.
1613 * testsuite/23_containers/map/requirements/explicit_instantiation/
1614 2.cc: Adjust comment.
1615 * testsuite/23_containers/map/requirements/explicit_instantiation/
1616 3.cc: Do not run test for C++2a.
1617 * testsuite/23_containers/map/requirements/explicit_instantiation/
1618 5.cc: Do not test allocator rebinding extension for C++2a.
1619 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1620 1_c++0x.cc: Remove redundant test.
1621 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1622 3.cc: Do not run test for C++2a.
1623 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1624 5.cc: Do not test allocator rebinding extension for C++2a.
1625 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1626 3.cc: Do not run test for C++2a.
1627 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1628 5.cc: Do not test allocator rebinding extension for C++2a.
1629 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
1630 Do not run test for C++2a.
1631 * testsuite/23_containers/set/requirements/explicit_instantiation/
1632 1_c++0x.cc: Remove redundant test.
1633 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
1634 Do not test allocator rebinding extension for C++2a.
1635 * testsuite/23_containers/unordered_map/requirements/
1636 explicit_instantiation/3.cc: Likewise.
1637 * testsuite/23_containers/unordered_map/requirements/
1638 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1640 * testsuite/23_containers/unordered_multimap/requirements/
1641 explicit_instantiation/3.cc: Do not run test for C++2a.
1642 * testsuite/23_containers/unordered_multimap/requirements/
1643 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1645 * testsuite/23_containers/unordered_multiset/requirements/
1646 explicit_instantiation/3.cc: Do not run test for C++2a.
1647 * testsuite/23_containers/unordered_multiset/requirements/
1648 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1650 * testsuite/23_containers/unordered_set/requirements/
1651 explicit_instantiation/3.cc: Do not run test for C++2a.
1652 * testsuite/23_containers/unordered_set/requirements/
1653 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1655 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1656 2.cc: Remove redundant test.
1657 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1658 3.cc: Do not run test for C++2a.
1659 * testsuite/23_containers/vector/requirements/explicit_instantiation/
1662 * include/std/type_traits (is_empty, is_polymorphic, is_final)
1663 (is_abstract, is_aggregate): Remove static_assert.
1664 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
1666 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
1667 missing -std=gnu++17 option.
1668 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
1669 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
1670 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
1673 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
1674 * testsuite/18_support/set_unexpected.cc: Likewise.
1675 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
1677 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
1678 function to be valid in C++11.
1679 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
1680 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
1681 include Library Fundamentals or Networking headers in C++11 mode.
1682 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
1684 * include/std/tuple (_TC): Replace with _TupleConstraints.
1685 (_TupleConstraints): New helper for SFINAE constraints, with more
1686 expressive member functions to reduce duplication when used.
1687 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
1688 (tuple::_TCC): Replace dummy type parameter with bool non-type
1689 parameter that can be used to check the pack size.
1690 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
1691 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
1692 checking constraints in constructors.
1693 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
1695 (tuple::tuple): Use new helpers to reduce repitition in constraints.
1696 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
1697 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
1698 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
1699 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
1700 constraints in constructors.
1701 (tuple::__is_alloc_arg()): New SFINAE helpers.
1702 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
1704 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
1705 * testsuite/20_util/tuple/cons/90700.cc: New test.
1706 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
1707 to meet new constraint on allocator-extended default constructor.
1709 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1711 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
1712 * include/bits/stl_multimap.h (multimap): Likewise.
1714 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
1716 Rename variables and cleanup comments.
1717 * include/bits/hashtable_policy.h
1718 * include/bits/hashtable.h
1720 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1722 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
1723 Fix bgcolor for P0340R3.
1724 * doc/html/*: Regenerate.
1727 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
1728 <experimental/memory_resource>.
1729 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
1730 P0339R6, P0340R3, P1164R1 and P1357R1.
1731 * doc/html/*: Regenerate.
1733 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
1734 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
1735 allocator::value_type assertion for C++2a.
1736 * include/bits/hashtable.h: Likewise.
1737 * include/bits/stl_deque.h: Likewise.
1738 * include/bits/stl_list.h: Likewise.
1739 * include/bits/stl_map.h: Likewise.
1740 * include/bits/stl_multimap.h: Likewise.
1741 * include/bits/stl_multiset.h: Likewise.
1742 * include/bits/stl_set.h: Likewise.
1743 * include/bits/stl_vector.h: Likewise.
1744 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
1745 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
1746 * testsuite/23_containers/list/48101-3_neg.cc: New test.
1747 * testsuite/23_containers/map/48101-3_neg.cc: New test.
1748 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
1749 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
1750 * testsuite/23_containers/set/48101-3_neg.cc: New test.
1751 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
1752 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
1753 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
1754 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
1755 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
1757 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
1759 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
1761 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1763 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
1765 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
1767 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
1769 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1771 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
1774 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
1775 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
1776 * libsupc++/eh_term_handler.h: New header defining
1777 _GLIBCXX_DEFAULT_TERM_HANDLER.
1778 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
1779 (set_terminate): Restore default handler when argument is null.
1780 (set_unexpected): Likewise.
1781 * testsuite/18_support/set_terminate.cc: New test.
1782 * testsuite/18_support/set_unexpected.cc: New test.
1784 * include/backward/hashtable.h (size_t, ptrdiff_t)
1785 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
1786 (distance, vector, pair, __iterator_category): Remove
1787 using-declarations that add these names to namespace __gnu_cxx.
1788 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
1789 * include/ext/debug_allocator.h (size_t): Likewise.
1790 * include/ext/functional (size_t, unary_function, binary_function)
1791 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
1793 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
1794 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
1795 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
1796 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
1797 * include/ext/numeric (iota): Fix outdated comment.
1798 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
1799 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
1800 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
1801 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
1802 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
1804 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
1805 (allocator, __true_type, __false_type): Likewise.
1807 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
1810 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
1811 New helpers for checking preconditions in traits.
1812 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
1813 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
1814 (is_destructible, is_nothrow_destructible, is_constructible)
1815 (is_default_constructible, is_copy_constructible)
1816 (is_move_constructible, is_nothrow_default_constructible)
1817 (is_nothrow_constructible, is_nothrow_copy_constructible)
1818 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
1819 (is_nothrow_assignable, is_nothrow_copy_assignable)
1820 (is_nothrow_move_assignable, is_trivially_constructible)
1821 (is_trivially_copy_constructible, is_trivially_move_constructible)
1822 is_trivially_assignable, is_trivially_copy_assignable)
1823 (is_trivially_move_assignable, is_trivially_destructible)
1824 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
1825 (is_invocable_r, is_nothrow_invocable)
1826 (has_unique_object_representations, is_aggregate): Add static_asserts
1827 to make sure that type traits are not misused with incomplete types.
1828 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
1829 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
1830 base characteristics without assertions that can be reused in other
1832 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
1833 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
1835 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
1836 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
1837 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
1838 * testsuite/20_util/is_class/value.cc: Check incomplete type.
1839 * testsuite/20_util/is_function/value.cc: Likewise.
1840 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
1841 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
1843 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
1844 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
1845 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1846 * testsuite/20_util/is_union/value.cc: Likewise.
1847 * testsuite/20_util/is_void/value.cc: Likewise.
1848 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
1850 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1852 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
1853 Add new private member function.
1854 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
1855 (random_device::_M_init_pretr1(const string&)): Call new private
1856 member with string data.
1857 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
1859 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
1860 test using COW strings.
1861 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
1862 a value from the device.
1863 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
1864 Fix typo in token string.
1866 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
1868 LWG2788 basic_string spurious use of a default constructible allocator
1869 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
1870 (basic_string::_M_replace_dispatch): Construct temporary string with
1871 the current allocator.
1872 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
1873 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
1875 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
1877 * doc/xml/manual/diagnostics.xml: Update list of headers that define
1879 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
1880 section about new/delete overloads. Improve section on verbose
1882 * doc/html/*: Regenerate.
1884 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
1885 P0811R3. Change status of P1353R0.
1886 * doc/html/*: Regenerate.
1888 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
1889 documentation of implementation-defined types for [thread.req.native].
1890 * doc/xml/manual/status_cxx2017.xml: Update documentation of
1891 implementation-defined strings for [variant.bad.access]. Fix typo in
1892 documentation of implementation-defined support for [fs.conform.9945].
1893 * doc/html/*: Regenerate.
1895 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
1898 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
1899 that fails on mingw-w64.
1902 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
1903 (status(const path&, error_code&)): Use parent_path() to remove
1905 (symlink_status(const path&, error_code&)): Duplicate workaround for
1906 bug in _wstat for paths with trailing slash.
1907 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
1908 with trailing slash.
1909 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
1910 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
1912 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
1913 once instead of building it iteratively.
1915 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
1917 PR libstdc++/85494 use rdseed and rand_s in std::random_device
1918 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
1919 the assembler supports rdseed.
1920 * config.h.in: Regenerate.
1921 * configure: Regenerate.
1922 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
1923 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
1924 * doc/html/*: Regenerate.
1925 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
1926 * include/bits/random.h (random_device::random_device()): Always call
1927 _M_init rather than _M_init_pretr1.
1928 (random_device::random_device(const string&)): Likewise.
1929 (random_device::operator()()): Always call _M_getval().
1930 (random_device::_M_file): Replace first member of union with an
1931 anonymous struct, with _M_file as its first member.
1932 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
1933 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
1934 (USE_MT19937): Define if none of the above are defined.
1935 (USE_POSIX_FILE_IO): Define.
1936 (_M_strtoul): Remove.
1937 [USE_RDSEED] (__x86_rdseed): Define new function.
1938 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
1939 (random_device::_M_init(const string&)): Initialize new union members.
1940 Add support for "rdseed" and "rand_s" tokens. Decide what the
1941 "default" token does according to which USE_* macros are defined.
1942 [USE_POSIX_FILE_IO]: Store a file descriptor.
1943 [USE_MT19937]: Forward to _M_init_pretr1 instead.
1944 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
1945 code from _M_strtoul.
1946 [!USE_MT19937]: Call _M_init, transforming the old default token or
1947 numeric tokens to "default".
1948 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
1949 (random_device::_M_getval()): Use new union members to obtain a
1950 random number from the stored function pointer or file descriptor.
1951 [USE_MT19937]: Obtain a value from the mt19937 engine.
1952 (random_device::_M_getval_pretr1()): Call _M_getval().
1953 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
1955 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
1956 * testsuite/26_numerics/random/random_device/85494.cc: New test.
1958 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
1961 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
1962 _M_split_cmpts() for a path with multiple components.
1963 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
1964 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
1965 components and reserve space in vector. Return early when there is
1967 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
1968 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
1970 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
1971 form of std::equals for C++11 compatibility.
1973 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
1975 * doc/xml/manual/appendix_contributing.xml: Update pointer to
1976 C++ standard at ansi.org.
1978 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
1980 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
1981 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
1984 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
1985 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
1987 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
1989 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
1991 * testsuite/20_util/function_objects/invoke/3.cc: New test.
1992 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
1993 "compile" test to "run".
1995 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
1996 * doc/html/*: Regenerate.
1997 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
1998 rvalue aliasing constructor.
1999 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
2000 (reinterpret_pointer_cast): Add overloads taking rvalues.
2001 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
2002 Add rvalue aliasing constructor.
2003 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
2004 "run" and check return values as well as types.
2005 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
2006 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
2007 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
2008 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
2011 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
2012 * doc/xml/manual/intro.xml: Likewise.
2013 * include/std/future (__create_task_state): Add default arguments
2014 to make providing an allocator optional.
2015 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
2016 instead of delegating to another constructor.
2017 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
2018 define allocator-extended constructors for C++17 and later.
2019 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
2021 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2022 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2023 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2025 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
2027 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
2028 Don't run the libstdc++/83237 part on simulator targets.
2030 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2032 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
2034 * doc/html/*: Regenerate.
2036 * include/experimental/any (__any_caster): Use RTTI if comparing
2037 addresses fails, to support non-unique addresses in shared libraries.
2038 * include/std/any (__any_caster): Likewise.
2041 * include/experimental/any (__any_caster): Constrain to only be
2042 callable for object types. Use remove_cv_t instead of decay_t.
2043 If the type decays or isn't copy constructible, compare the manager
2044 function to a dummy specialization.
2045 (__any_caster): Add overload constrained for non-object types.
2046 (any::_Manager_internal<_Op>): Add dummy specialization.
2047 * testsuite/experimental/any/misc/any_cast.cc: Test function types
2050 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
2053 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
2054 reversed arguments to uninitialized_copy_n.
2055 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
2056 is unchanged by copy assignment.
2057 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
2058 compare path components.
2061 * include/experimental/memory_resource: Add system header pragma and
2062 do not define anything unless compiled as C++14 or later.
2063 (__resource_adaptor_common::__guaranteed_alignment): Remove.
2064 (__resource_adaptor_imp::do_allocate): If the requested alignment
2065 is a fundamental alignment then either allocate directly from _M_alloc
2066 or call the new _M_allocate function.
2067 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
2068 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
2069 of the allocator rebound to a POD type with the specified alignment.
2070 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
2071 * testsuite/experimental/memory_resource/new_delete_resource.cc:
2072 Adjust expected allocation sizes.
2073 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
2074 xfail for Solaris x86.
2076 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
2078 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
2079 * include/pstl/execution_defs.h (__enable_if_execution_policy):
2080 Use std::__remove_cvref_t when building with GCC.
2082 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
2085 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2086 Use "additional_flags" to pass -ltbb to v3_target_compile command.
2087 Use check_v3_target_prop_cached to cache the result of the test.
2089 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
2091 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2094 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2095 Changed v3_target_compile check from preprocess to executable.
2096 Added "-ltbb" to v3_target_compile flags.
2098 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2100 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2101 Add check for Thread Building Blocks 2018 or later.
2103 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2105 * testsuite/experimental/names.cc: Only include Networking TS headers
2106 on targets with the necessary Gthreads support.
2108 2019-05-20 Marek Polacek <polacek@redhat.com>
2110 CWG 2094 - volatile scalars are trivially copyable.
2112 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
2113 result for volatile int.
2115 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2117 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
2118 * testsuite/experimental/names.cc: Include <experimental/filesystem>
2121 PR c++/90532 Ensure __is_constructible(T[]) is false
2122 * include/std/type_traits (__do_is_default_constructible_impl)
2123 (__is_default_constructible_atom, __is_default_constructible_safe):
2125 (is_default_constructible): Use is_constructible.
2126 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
2127 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
2128 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
2129 * testsuite/20_util/is_trivially_default_constructible/value.cc:
2132 2019-05-20 Pádraig Brady <pbrady@fb.com>
2134 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
2135 to the deallocator with -fsized-deallocation.
2137 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2139 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
2140 test by passing correct alignment to deallocate function.
2142 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
2145 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2146 Raise exception if unique_ptr tuple member has unknown structure.
2147 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
2148 Adjust worker to support new __uniq_ptr_data base class. Do not
2149 assume field called _M_head_impl is the first tuple element.
2151 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2153 * include/bits/stl_deque.h
2154 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
2155 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
2156 (_Deque_base::_Deque_impl_data): New.
2157 (_Deque_base::_Deque_impl): Inherit latter.
2158 (_Deque_base::_Deque_impl::_M_swap_data): Move...
2159 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
2160 (_Deque_base::_Deque_impl()): Add noexcept qualification.
2161 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
2162 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
2163 (deque<>::deque()): Default.
2164 (deque<>::deque(deque&&)): Default.
2165 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
2166 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
2167 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
2168 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
2169 _M_range_initialize.
2170 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
2171 (deque<>::resize(size_type, const value_type&)): Share a single
2173 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
2174 _M_range_insert_aux.
2175 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
2176 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
2177 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
2178 * testsuite/23_containers/deque/allocator/default_init.cc: New.
2180 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
2183 * include/std/variant (holds_alternative, get, get_if): Improve
2184 static assertion messages.
2185 (bad_variant_access::bad_variant_access()): Change default message.
2186 (__throw_bad_variant_access(bool)): New overload.
2187 (get): Use new overload.
2188 (visit, visit<R>): Improve exception message.
2190 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
2191 targets. Add more cases from P0608R3.
2192 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
2194 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
2195 * include/experimental/type_traits (is_detected_exact)
2196 (is_detected_exact_v): Likewise.
2197 * include/pstl/execution_defs.h (is_execution_policy)
2198 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
2199 * include/pstl/execution_impl.h (__policy_traits): Likewise.
2200 * testsuite/17_intro/names.cc: Check for more non-reserved names.
2201 * testsuite/experimental/names.cc: New test.
2204 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
2205 assertions from the destructor.
2206 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
2207 Move static_assert for hash function to here.
2208 (_Hash_table_base::_M_equals): Move static_assert for equality
2210 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
2212 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
2213 the value directly instead of calling _S_value.
2214 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
2215 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
2216 _S_key(_Const_Link_type).
2217 * testsuite/23_containers/set/85965.cc: Check construction,
2218 destruction, assignment and size() do not trigger the assertions.
2219 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
2220 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
2222 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2223 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
2224 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2225 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2226 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2227 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2228 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2230 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
2231 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
2234 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
2236 * doc/html/*: Regenerate.
2237 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
2238 of decay_t (P0777R1).
2240 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2242 Move from state of allocators (LWG2593)
2243 * include/bits/stl_deque.h
2244 (_Deque_base(_Deque_base&&, false_type)): Remove.
2245 (_Deque_base(_Deque_base&&, true_type)): Remove.
2246 (_Deque_base(_Deque_base&&)): Adapt.
2247 (_Deque_base::_M_move_impl()): Remove.
2248 * testsuite/util/testsuite_allocator.h
2249 (propagating_allocator(propagating_allocator&&)): Preserve move from
2251 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
2253 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
2255 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
2256 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
2257 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
2259 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
2261 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
2262 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
2264 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
2266 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
2268 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
2270 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
2272 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
2274 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
2276 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
2279 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
2281 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
2282 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
2284 * include/std/variant (__overload_set): Remove.
2286 (_Build_FUN): New class template to define a single FUN overload,
2287 with specializations to prevent unwanted conversions, as per P0608R3.
2288 (_Build_FUNs): New class template to build an overload set of FUN.
2289 (_FUN_type): New alias template to perform overload resolution.
2290 (__accepted_type): Use integer_constant base for failure case. Use
2291 _FUN_type for successful case.
2292 (variant::__accepted_index): Use _Tp instead of _Tp&&.
2293 (variant::variant(_Tp&&)): Likewise.
2294 (variant::operator=(_Tp&&)): Likewise.
2296 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
2297 Replace raw visitation with a runtime check for the valueless state
2298 and a non-raw visitor.
2299 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
2300 (variant::index()): Remove branch.
2301 (variant::swap(variant&)): Use valueless_by_exception() instead of
2302 comparing the index to variant_npos, and add likelihood attribute.
2304 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
2305 (_Hashtable_base::_Equal_hash_code): Define new class template.
2306 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
2309 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
2310 Replace with _M_get non-static member function.
2311 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
2313 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
2314 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
2316 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
2317 _S_get accessors for members in EBO helpers.
2318 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
2319 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
2321 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
2323 (_Hashtable_base::_M_eq()): Remove non-const overload.
2325 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
2327 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
2329 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2331 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
2334 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2336 * config/os/solaris/solaris2.10: Move to ...
2337 * config/os/solaris: ... this.
2338 * configure.host (os_include_dir): Adapt.
2339 (abi_baseline_pair): Remove Solaris 10 handling.
2340 * config/abi/post/i386-solaris2.10: Remove.
2341 * config/abi/post/sparc-solaris2.10: Remove.
2342 * config/abi/post/i386-solaris2.11: Rename to ...
2343 * config/abi/post/i386-solaris: ... this.
2344 * config/abi/post/sparc-solaris2.11: Rename to ...
2345 * config/abi/post/sparc-solaris: ... this.
2347 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
2350 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
2353 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2355 * include/std/variant (__visit_with_index): Remove typedef.
2356 (__deduce_visit_result): New tag type.
2357 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
2358 visitation of possibly-valueless variants, forwarding to __do_visit
2359 with the relevant tag type.
2360 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
2361 and make lambda return void.
2362 (__variant_construct): Likewise.
2363 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
2364 __raw_idx_visit and make lambda return void.
2365 (_Multi_array::__untag_result): Add metafunction to check the function
2366 pointer type for a tag type that dictates the kind of visitation.
2367 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
2368 Use decltype(auto) instead of tagged function pointer type.
2369 (__gen_vtable_impl): Remove bool non-type parameter and unused
2370 _Variant_tuple parameter.
2371 (__gen_vtable_impl::__visit_invoke_impl): Remove.
2372 (__gen_vtable_impl::__do_visit_invoke): Remove.
2373 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
2374 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
2375 for the visit<R> case, rather than dispatching to separate functions.
2376 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
2378 (variant::swap): Likewise.
2379 (__do_visit): Replace two non-type template parameters with a single
2380 type parameter, so that the caller must specify the visitor's return
2381 type (or one of the tag types).
2382 (visit): Deduce a return type from the visitor and use the
2383 __deduce_visit_result tag to enforce that all overloads return the
2385 (visit<R>): Call __do_visit<R> with explicit result type.
2386 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
2389 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2391 nonesuch is insufficiently useless (lwg2996)
2392 * include/std/type_traits (struct __nonesuch): Added private base
2393 class to make __nonesuch not an aggregate and removed deleted default
2395 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
2396 (operator=(const pair&)): Use __nonesuch instead of
2397 __nonesuch_no_braces.
2398 (operator=(pair&&)): Likewise
2399 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
2400 of __nonesuch_no_braces.
2401 (operator=(tuple&&)): Likewise
2402 * include/experimental/type_traits (struct nonesuch): Added private
2403 base class to make nonesuch not an aggregate and removed deleted
2404 default constructor.
2405 * testsuite/20_util/nonesuch/nonesuch.cc: New.
2406 * testsuite/experimental/type_traits/nonesuch.cc: New.
2408 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2410 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
2411 (_Function_handler): Remove partial specializations for void return
2412 types and pointers to member.
2413 (_Function_handler::_M_manager): Adapt to removal of
2414 _Simple_type_wrapper.
2415 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
2416 * include/std/functional (_Bind_result::__enable_if_void)
2417 (_Bind_result::__disable_if_void): Remove sfinae helpers.
2418 (_Bind_result::__call): Use __invoke_r and remove overloads for void
2420 * include/std/future (__future_base::_Task_state::_M_run)
2421 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
2422 change return type of lambda expressions.
2424 * include/bits/invoke.h (__invoke_r): Define new function implementing
2425 the INVOKE<R> pseudo-function.
2426 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
2427 * testsuite/20_util/function_objects/invoke/2.cc: New test.
2429 * include/std/type_traits (__is_nt_convertible_helper): Define it
2430 unconditionally, not only for C++20.
2431 (__is_nothrow_convertible): Define internal trait for use in C++11.
2432 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
2433 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
2434 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
2435 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
2436 that has nothrow explicit conversion but potentially-throwing implicit
2438 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
2439 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
2440 function to only consider implicit conversions.
2441 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
2443 * include/std/iterator: Include <iosfwd> instead of <istream> and
2446 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
2447 Remove unused, non-standard function.
2449 * include/bits/regex.h (match_results::max_size()): Adjust return
2450 value to account for prefix/suffix/unmatched subs.
2451 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
2452 reset the contained sub matches.
2453 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
2454 function to set result state following a failed match.
2455 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
2456 sub_match states after _M_resize. Use _M_establish_failed_match.
2459 * include/std/thread (thread::_State_impl, thread::_S_make_state):
2460 Replace single _Callable parameter with variadic _Args pack, to
2461 forward them directly to the tuple of decayed copies.
2462 * testsuite/30_threads/thread/cons/69724.cc: New test.
2464 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2466 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
2467 * include/bits/basic_string.h: (operator=(const basic_string&):
2468 Move allocator decision to assign.
2469 (assign(const basic_string&)): Move allocator decision here.
2470 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
2472 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
2475 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2477 * testsuite/util/testsuite_allocator.h (memory_resource)
2478 (default_resource_mgr): Fix indentation.
2480 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
2481 Use operator-> to access raw pointer member.
2482 * testsuite/23_containers/vector/59829.cc: Likewise.
2483 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
2484 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
2485 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
2487 (PointerBase, PointerBase_void): Derive from NullablePointer and use
2488 its constructors and equality operators. Change converting
2489 constructors to use operator-> to access private member of the other
2491 (PointerBase_void::operator->()): Add, for access to private member.
2492 (operator-(PointerBase, PointerBase)): Change to hidden friend.
2493 (operator==(PointerBase, PointerBase)): Remove.
2494 (operator!=(PointerBase, PointerBase)): Remove.
2496 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
2497 not assume field called _M_head_impl is the first tuple element.
2498 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
2499 implementation more accurate.
2500 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
2501 empty pointer type and non-empty deleter.
2503 LWG 2899 - Make is_move_constructible correct for unique_ptr
2504 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
2505 move assignment operator.
2506 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
2507 (__uniq_ptr_data): New class template with conditionally deleted
2509 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
2510 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
2511 constructor and move assignment operator as defaulted.
2512 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
2513 __uniq_ptr_impl::release().
2514 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
2515 to __uniq_ptr_impl::reset(pointer).
2516 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2517 Check for new __uniq_ptr_data type.
2518 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
2520 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2522 PR libstdc++/90454.cc path construction from void*
2523 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
2524 pointers to void are rejected as well as void.
2525 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
2526 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
2528 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
2530 * doc/xml/manual/policy_data_structures.xml: Comment out stray
2531 <remark> elements. Fix formatting of bibliography references.
2533 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
2535 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
2537 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2539 Remove Profile Mode, deprecated since 7.1.0
2540 * doc/Makefile.am: Remove XML file for profile mode docs.
2541 * doc/Makefile.in: Regenerate.
2542 * doc/xml/authors.xml: Remove authors of profile mode docs.
2543 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
2545 * doc/xml/manual/debug.xml: Likewise.
2546 * doc/xml/manual/evolution.xml: Document removal of profile mode.
2547 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
2548 * doc/xml/manual/spine.xml: Remove profile mode author credit.
2549 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
2551 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
2553 * doc/html/*: Regenerate.
2554 * include/Makefile.am: Remove profile mode headers.
2555 * include/Makefile.in: Regenerate.
2556 * include/bits/c++config (std::__profile): Remove namespace.
2557 [_GLIBCXX_PROFILE]: Remove checks for macro.
2558 * include/profile/array: Remove.
2559 * include/profile/base.h: Remove.
2560 * include/profile/bitset: Remove.
2561 * include/profile/deque: Remove.
2562 * include/profile/forward_list: Remove.
2563 * include/profile/impl/profiler.h: Remove.
2564 * include/profile/impl/profiler_algos.h: Remove.
2565 * include/profile/impl/profiler_container_size.h: Remove.
2566 * include/profile/impl/profiler_hash_func.h: Remove.
2567 * include/profile/impl/profiler_hashtable_size.h: Remove.
2568 * include/profile/impl/profiler_list_to_slist.h: Remove.
2569 * include/profile/impl/profiler_list_to_vector.h: Remove.
2570 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
2571 * include/profile/impl/profiler_node.h: Remove.
2572 * include/profile/impl/profiler_state.h: Remove.
2573 * include/profile/impl/profiler_trace.h: Remove.
2574 * include/profile/impl/profiler_vector_size.h: Remove.
2575 * include/profile/impl/profiler_vector_to_list.h: Remove.
2576 * include/profile/iterator_tracker.h: Remove.
2577 * include/profile/list: Remove.
2578 * include/profile/map: Remove.
2579 * include/profile/map.h: Remove.
2580 * include/profile/multimap.h: Remove.
2581 * include/profile/multiset.h: Remove.
2582 * include/profile/ordered_base.h: Remove.
2583 * include/profile/set: Remove.
2584 * include/profile/set.h: Remove.
2585 * include/profile/unordered_base.h: Remove.
2586 * include/profile/unordered_map: Remove.
2587 * include/profile/unordered_set: Remove.
2588 * include/profile/vector: Remove.
2589 * scripts/run_doxygen: Do not process profile mode headers.
2590 * testsuite/23_containers/array/element_access/60497.cc: Don't use
2592 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
2593 Remove dg-skip-if for profile mode.
2594 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
2595 preprocessor check for profile mode.
2596 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
2597 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
2599 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
2601 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
2602 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
2603 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
2604 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
2605 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
2607 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
2609 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
2611 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
2613 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
2614 preprocessor check for profile mode.
2615 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
2617 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
2618 Remove dg-skip-if for profile mode.
2619 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
2620 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
2621 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
2622 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
2623 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
2624 * testsuite/Makefile.am: Remove profile_flags variable and
2625 * testsuite/Makefile.am: Remove profile_flags variable and
2626 check-profile target.
2627 * testsuite/Makefile.in: Regenerate.
2628 * testsuite/ext/profile/all.cc: Remove.
2629 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
2630 * testsuite/ext/profile/profiler_algos.cc: Remove.
2631 * testsuite/ext/profile/replace_new.cc: Remove.
2632 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
2633 preprocessor check for profile mode.
2634 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2635 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
2636 (check_v3_target_normal_mode): Do not check for profile mode macro.
2637 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
2639 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
2640 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
2641 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2642 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
2643 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
2644 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2645 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
2646 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2647 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2648 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
2650 Remove array_allocator extension, deprecated since 4.9.0
2651 * doc/xml/manual/allocator.xml: Remove documentation for
2653 * doc/xml/manual/evolution.xml: Document array_allocator removal.
2654 * doc/xml/manual/using.xml: Remove header from documentation.
2655 * include/Makefile.am: Remove <ext/array_allocator.h> header.
2656 * include/Makefile.in: Regenerate.
2657 * include/ext/array_allocator.h: Remove.
2658 * include/precompiled/extc++.h: Do not include removed header.
2659 * testsuite/ext/array_allocator/1.cc: Remove.
2660 * testsuite/ext/array_allocator/2.cc: Remove.
2661 * testsuite/ext/array_allocator/26875.cc: Remove.
2662 * testsuite/ext/array_allocator/3.cc: Remove.
2663 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
2664 * testsuite/ext/array_allocator/check_delete.cc: Remove.
2665 * testsuite/ext/array_allocator/check_new.cc: Remove.
2666 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
2667 * testsuite/ext/headers.cc: Do not include removed header.
2669 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
2671 * include/bits/stl_bvector.h
2672 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2674 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2676 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2678 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2680 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2682 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2684 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2686 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
2688 (_Bit_iterator::operator-(difference_type)): Likewise.
2689 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
2690 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
2692 (_Bit_const_iterator::operator-(difference_type)): Likewise.
2693 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
2695 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
2698 * testsuite/util/thread/all.h: Do not use remove_pointer for
2699 std::thread::native_handle_type.
2702 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
2703 (_Variant_storage<true, Types...>::_M_reset()))
2704 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
2705 (__get_storage): Likewise.
2706 (variant): Add noexcept to friend declarations for __get and
2710 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
2711 Use _Require for constraints.
2712 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
2714 (__uniq_ptr_hash): New base class with conditionally-disabled call
2716 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
2717 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
2718 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
2720 * include/bits/shared_ptr.h: Improve docs.
2721 * include/bits/shared_ptr_base.h: Likewise.
2722 * include/bits/stl_uninitialized.h: Likewise.
2723 * include/bits/unique_ptr.h: Likewise.
2724 * libsupc++/new: Likewise.
2726 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
2728 * include/bits/stl_deque.h
2729 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2731 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2733 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2735 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2737 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2739 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2741 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
2743 (_Deque_iterator<>::operator-(difference_type)): Likewise.
2745 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
2748 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
2749 (test01): Reserve for number of insertions to avoid rehash during test.
2750 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
2752 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
2757 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
2759 * include/experimental/bits/fs_path.h: Improve docs.
2760 * include/experimental/bits/net.h: Fix wrong header name in comment.
2761 Do not document implementation details.
2762 * include/experimental/netfwd: Fix doxygen grouping.
2764 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
2766 * include/bits/stl_pair.h: Improve docs.
2767 * include/std/tuple: Likewise.
2769 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
2771 * include/std/chrono: Improve docs.
2772 * include/std/ratio: Do not document implementation details.
2773 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
2775 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
2778 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
2779 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
2780 (__duration_common_type): New helper.
2781 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
2782 __duration_common_type.
2783 (__timepoint_common_type_wrapper): Replace with ...
2784 (__timepoint_common_type): New helper.
2785 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
2786 Use __time_point_common_type.
2787 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
2788 (__common_type_impl): If either argument is transformed by decay,
2789 use the common_type of the decayed types.
2790 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
2791 decayed, use __do_common_type_impl to get the common_type.
2792 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
2793 (__do_member_type_wrapper, __member_type_wrapper)
2794 (__expanded_common_type_wrapper): Remove.
2795 (__common_type_pack, __common_type_fold): New helpers.
2796 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
2797 __member_type_wrapper and __expanded_common_type_wrapper.
2798 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
2799 Test zero-length template argument list.
2800 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
2801 Test single argument cases and argument types that should decay.
2802 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
2803 Adjust expected error.
2804 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
2806 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2807 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2808 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2810 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
2812 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
2814 Make allocator propagation more consistent for
2815 operator+(basic_string) (P1165R1)
2816 * include/bits/basic_string.h
2817 (operator+(basic_string&&, basic_string&&): Changed resulting
2818 allocator to always be the one from the first parameter.
2819 * include/bits/basic_string.tcc
2820 (operator+(const _CharT*, const basic_string&)): Changed
2821 resulting allocator to be SOCCC on the second parameter's allocator.
2822 (operator+(_CharT, const basic_string&)): Likewise.
2823 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
2825 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
2828 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
2830 * include/bits/regex.h: Improve docs.
2831 * include/bits/regex.tcc: Do not document implementation details.
2833 * testsuite/19_diagnostics/error_code/hash.cc: New test.
2835 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
2837 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2838 Add type printer for container types in std::__debug namespace.
2839 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
2840 (gdb-tests): Use distinct parameters for the type of test and use of
2842 (gdb-test): Check for regex test even if 'whatis' test.
2843 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
2845 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
2846 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2847 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2848 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
2849 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2850 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2851 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
2853 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
2855 * include/std/system_error (error_category): Fix comment.
2858 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
2859 argument is an empty path.
2860 (absolute(const path&, error_code&)): Use invalid_argument as error
2861 code instead of no_such_file_or_directory.
2862 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
2863 of non-existent paths and empty paths with both overloads of absolute.
2865 * include/std/system_error (error_category, error_code)
2866 (error_condition): Improve docs.
2867 * libsupc++/exception: Add missing @addtogroup Doxygen command.
2868 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
2869 to class documentation. Suppress documentation for implementation
2871 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
2872 Suppress documentation for implementation details.
2874 * include/std/system_error (error_code): Remove friend declaration
2875 for hash<error_code>.
2876 (hash<error_code>::operator()): Use public member functions to access
2878 (hash<error_condition>::operator()): Use address of category, not
2879 its object representation.
2880 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
2881 Use public member functions to access value and category.
2882 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
2884 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
2886 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
2887 * include/bits/hashtable_policy.h
2888 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
2889 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
2890 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
2891 smaller than input value rather than always greater. Preserve
2892 _M_next_resize if called with 0 input. Use __builtin_floorl.
2893 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
2894 elements + number of insertions is greater than _M_next_resize. Start
2895 with 11 buckets if not told otherwise. Use __builtin_floorl.
2896 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
2897 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
2898 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
2899 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
2900 told otherwise. Use __builtin_floorl.
2901 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
2902 to also validate _Power2_rehash_policy.
2903 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
2906 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
2909 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
2913 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
2914 overflow warning with -Wpedantic -Wsystem-headers.
2916 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
2919 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
2920 * include/bits/move.h (swap): Remove extra parentheses.
2922 * include/experimental/bits/lfts_config.h: Improve doc markup.
2923 * include/experimental/optional: Improve docs.
2924 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
2925 (__constexpr_addressof): Remove.
2926 (optional::operator->()): Use std::__addressof().
2927 * include/std/optional (optional::operator->()): Adjust whitespace.
2928 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
2929 that operator-> is still constexpr with overloaded operator&. Change
2930 to compile-only test.
2931 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
2934 * include/bits/shared_ptr.h: Improve docs.
2935 * include/bits/shared_ptr_atomic.h: Likewise.
2936 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
2938 * include/bits/basic_string.h: Fix iterator/index confusion in
2940 * include/bits/range_access.h: Fix Doxygen warnings.
2941 * include/bits/refwrap.h: Do not document implementation details.
2942 (ref, cref): Group docs with reference_wrapper.
2943 * include/std/fstream: Fix Doxygen markup.
2944 * libsupc++/initializer_list (begin, end): Group docs with
2947 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
2949 * include/bits/unique_lock.h: Fix/improve doxygen markup.
2950 * include/std/mutex: Likewise.
2951 * include/std/shared_mutex: Likewise.
2953 * include/bits/fs_dir.h: Fix/improve doxygen markup.
2954 * include/bits/fs_fwd.h: Likewise.
2955 * include/bits/fs_ops.h: Likewise.
2956 * include/bits/fs_path.h: Likewise.
2957 * include/std/filesystem: Likewise.
2959 * include/experimental/bits/net.h: Fix/improve doxygen markup.
2960 * include/experimental/buffer: Likewise.
2961 * include/experimental/executor: Likewise.
2962 * include/experimental/internet: Likewise.
2963 * include/experimental/io_context: Likewise.
2964 * include/experimental/net: Likewise.
2965 * include/experimental/netfwd: Likewise.
2966 * include/experimental/socket: Likewise.
2967 * include/experimental/timer: Likewise.
2969 * doc/doxygen/doxygroups.cc: Move description of experimental group
2971 * include/experimental/algorithm: Add to libfund-ts doc group.
2972 * include/experimental/any: Likewise. Do not document implementation
2974 * include/experimental/array: Add to libfund-ts doc group.
2975 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
2976 for Library Fundamentals.
2977 * include/experimental/chrono: Add to libfund-ts doc group.
2978 * include/experimental/deque: Likewise.
2979 * include/experimental/forward_list: Likewise.
2980 * include/experimental/functional: Likewise.
2981 * include/experimental/iterator: Likewise.
2982 * include/experimental/list: Likewise.
2983 * include/experimental/map: Likewise.
2984 * include/experimental/memory: Likewise.
2985 * include/experimental/memory_resource: Likewise. Improve docs.
2987 * include/experimental/numeric: Add to libfund-ts doc group.
2988 * include/experimental/optional: Likewise.
2989 * include/experimental/propagate_const: Likewise.
2990 * include/experimental/random: Likewise.
2991 * include/experimental/ratio: Likewise.
2992 * include/experimental/regex: Likewise.
2993 * include/experimental/set: Likewise.
2994 * include/experimental/source_location: Likewise.
2995 * include/experimental/string: Likewise.
2996 * include/experimental/string_view: Likewise.
2997 * include/experimental/system_error: Likewise.
2998 * include/experimental/tuple: Likewise.
2999 * include/experimental/type_traits: Likewise.
3000 * include/experimental/unordered_map: Likewise.
3001 * include/experimental/unordered_set: Likewise.
3002 * include/experimental/utility: Likewise.
3003 * include/experimental/vector: Likewise.
3004 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
3005 * testsuite/experimental/array/neg.cc: Adjust dg-error.
3006 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
3008 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
3009 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
3010 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
3011 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
3012 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
3014 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
3015 * include/experimental/bits/fs_fwd.h: Improve docs.
3016 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
3017 * include/experimental/bits/fs_path.h: Likewise.
3018 (path, filesystem_error, u8path): Improve docs.
3019 * include/experimental/filesystem: Link to docs for TS.
3021 * config/allocator/new_allocator_base.h (__allocator_base): Add
3022 workaround for Doxygen bug #6945.
3023 * include/std/memory: Improve docs. Define group for pointer safety.
3024 * include/std/scoped_allocator: Improve docs. Use "undocumented"
3025 conditional to suppress documentation for implementation details.
3027 * include/bits/specfun.h: Improve docs.
3028 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
3031 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
3032 (std::experimental): Add docs.
3033 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
3034 namespace to nothing when generating docs.
3035 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
3036 * include/std/chrono (std::chrono): Likewise.
3037 * include/std/functional (std::placeholders): Likewise.
3038 * include/std/thread (std::this_thread): Likewise.
3040 * include/parallel/settings.h: Fix Doxygen markup.
3042 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
3043 anything unless PB_DS_CLASS_C_DEC is defined.
3044 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
3045 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
3046 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
3047 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
3048 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
3049 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
3050 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
3052 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
3053 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
3054 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
3055 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
3056 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
3057 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
3058 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
3059 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
3060 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
3061 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
3062 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
3064 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
3065 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
3067 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
3070 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
3071 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
3072 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
3075 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3077 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
3078 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
3079 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
3080 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
3081 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
3082 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3084 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
3085 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3088 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
3091 * include/std/complex (__complex_proj): Return parameter unchanged.
3092 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
3093 floating-point types to take std::complex arguments.
3094 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
3095 floating-point types.
3096 * testsuite/26_numerics/complex/proj.cc: New test.
3098 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3100 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
3101 to _Lock_policyE[012].
3102 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3104 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
3106 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
3107 macros accidentally left in.
3108 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
3109 unnecessary -lstdc++fs option. Fix test for mingw.
3110 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3113 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3115 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3117 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
3119 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
3121 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
3122 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
3125 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
3127 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
3130 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
3131 class template and partial specialization.
3134 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
3136 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
3137 functions to convert a value to an integral type.
3138 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
3139 (fill_n): Convert _Size parameter to an integral type.
3140 * testsuite/25_algorithms/fill_n/87982.cc: New test.
3141 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
3142 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
3143 * testsuite/25_algorithms/generate_n/87982.cc: New test.
3144 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
3145 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
3147 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
3149 Adding noexcept-specification on tuple constructors (LWG 2899)
3150 * libstdc++-v3/include/std/tuple:
3151 (tuple()): Add noexcept-specification.
3152 (tuple(const _Elements&...)): Likewise
3153 (tuple(_UElements&&...)): Likewise
3154 (tuple(const tuple<_UElements...>&)): Likewise
3155 (tuple(tuple<_UElements...>&&)): Likewise
3156 (tuple(const _T1&, const _T2&)): Likewise
3157 (tuple(_U1&&, _U2&&)): Likewise
3158 (tuple(const tuple<_U1, _U2>&): Likewise
3159 (tuple(tuple<_U1, _U2>&&): Likewise
3160 (tuple(const pair<_U1, _U2>&): Likewise
3161 (tuple(pair<_U1, _U2>&&): Likewise
3162 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
3164 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
3167 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
3168 arguments with __restrict.
3170 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
3172 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3174 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
3176 * include/experimental/bits/fs_path.h
3177 (path::_S_convert_loc<_InputIterator>): Create const std::string to
3178 avoid redundant call to _S_convert_loc with non-const pointers.
3180 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
3181 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
3182 * testsuite/21_strings/basic_string/hash/hash.cc
3183 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
3184 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
3185 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
3187 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
3188 wstring::_M_replace_dispatch with more specific patterns.
3189 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
3190 Create const std::string to avoid redundant call to _S_convert_loc
3191 with non-const pointers.
3192 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
3193 avoid unnecessary basic_string::assign instantiations.
3195 * include/std/memory (__uses_alloc_args): Add string-literal to
3196 static_assert, to match the one in __uses_alloc.
3197 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
3198 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
3199 for recursive uses-allocator construction of nested pairs.
3200 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
3203 2019-04-26 Jakub Jelinek <jakub@redhat.com>
3205 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3206 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3207 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
3208 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
3210 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3211 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3212 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
3213 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3214 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3215 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3216 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3218 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
3221 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
3222 * include/std/scoped_allocator [__cplusplus > 201703L]
3223 (scoped_allocator_adaptor::construct): Define in terms of
3224 uses_allocator_construction_args, as per P0591R4.
3225 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
3226 * testsuite/util/testsuite_allocator.h: Remove name of unused
3229 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
3231 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
3232 * doc/html/*: Regenerate.
3234 * include/bits/fs_path.h (operator<, operator<=, operator>)
3235 (operator>=, operator==, operator!=): Make hidden friends, as per
3237 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
3238 string type in test.
3239 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3241 * include/std/any (any::any(ValueType&&)): Use __and_v.
3242 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
3245 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
3247 * include/std/type_traits (__result_of_memfun): Use remove_reference
3248 instead of __remove_cvref_t and remove redundant is_same check.
3249 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
3251 * include/experimental/string_view (basic_string_view::pointer)
3252 (basic_string_view::reference): Fix to refer to non-const value_type.
3253 * include/bits/basic_string.h (basic_string): Use __sv_check and
3254 __sv_limit instead of basic_string_view::_M_check and
3255 basic_string_view::_M_limit.
3256 * include/std/string_view (__sv_check, __sv_limit): New
3257 helper functions to replace basic_string_view::_M_check and
3258 basic_string_view::_M_limit.
3259 (basic_string_view): Add static assertions to enforce ill-formed
3260 requirement for traits_type::char_type from P1148R0, and to enforce
3261 required properties of char-like types.
3262 (basic_string_view::pointer, basic_string_view::reference): Fix to
3263 refer to non-const value_type.
3264 (basic_string_view::operator[], basic_string_view::at)
3265 (basic_string_view::front, basic_string_view::back)
3266 (basic_string_view::data): Use const_reference and const_pointer
3267 typedefs for return types.
3268 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
3269 (hash<wstring_view>): Fix argument_type typedef.
3270 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3271 char/1.cc: Fix expected return type of basic_string_view::data().
3272 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3273 wchar_t/1.cc: Likewise.
3274 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3275 char/1.cc: Likewise.
3276 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3277 wchar_t/1.cc: Likewise.
3278 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
3280 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
3281 Check reference and pointer typedefs.
3282 * testsuite/experimental/string_view/requirements/typedefs.cc:
3284 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
3285 Fix expected return type of basic_string_view::data().
3286 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
3288 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
3290 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
3294 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
3295 Avoid a runtime check for types that can never be stored in std::any.
3296 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3299 PR libstdc++/90220 (partial)
3300 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
3301 not attempt ill-formed static_cast to pointers to non-object types.
3302 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3305 * testsuite/20_util/variant/run.cc: Catch exception by reference to
3306 prevent -Wcatch-value warning.
3308 * include/std/variant (__variant_construct): Use template parameter
3309 type instead of equivalent decltype-specifier.
3310 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
3311 Replace forward with move.
3312 (_Move_ctor_base<false, Types...>::_M_destructive_move)
3313 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
3314 (_Move_ctor_base<true, Types...>::_M_destructive_move)
3315 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
3316 index after construction succeeds.
3317 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
3318 if-constexpr checks that are always true. Use __remove_cvref_t instead
3319 of remove_reference so that is_nothrow_move_constructible check
3320 doesn't use a const rvalue parameter. In the potentially-throwing case
3321 construct a temporary and move assign it, as per LWG 2904.
3322 (_Move_assign_base<false, Types...>::operator=): Remove redundant
3323 if-constexpr checks that are always true. Use emplace as per LWG 2904.
3324 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
3325 construct a temporary and move assign from it, as per LWG 2904.
3326 * testsuite/20_util/variant/exception_safety.cc: Check that
3327 assignment operators have strong exception safety guarantee.
3329 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
3331 Document PSTL linker flags
3333 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
3335 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3337 * include/std/variant (__detail::__variant::_Traits): Make
3338 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
3339 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
3341 (__detail::__variant::_Copy_assign_alias): Only depend on
3342 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
3343 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
3344 move assignment operators.
3347 * include/std/variant (variant::__not_self): New helper for the
3348 is_same_v<remove_cvref_t<T>, variant>==false constraints.
3349 (variant::__to_type_impl): Remove.
3350 (variant::__to_type): Add default argument to check pack size, instead
3351 of using __to_type_impl.
3352 (variant::__accepted_type): Add default argument using __not_self.
3353 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
3354 for variant(T&&) constructor constraint.
3355 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
3356 Extract __accepted_type into a named template parameter for reuse in
3357 other constraints and in the exception specification.
3358 (variant::variant(in_place_type_t<T>, Args&&...))
3359 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
3360 (variant::variant(in_place_index_t<T>, Args&&...))
3361 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
3362 (variant::operator=T&&)): Remove redundant && from trait arguments.
3363 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
3364 isn't used for in_place_type or in_place_index arguments.
3366 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
3367 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
3368 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
3370 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3371 Bernd Edlinger <bernd.edlinger@hotmail.de>
3372 Jakub Jelinek <jakub@redhat.com>
3375 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
3376 general-regs-only target attribute for ARM.
3378 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3381 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
3382 specialization also depend on is_nothrow_move_constructible.
3383 * include/std/variant (__detail::__variant::__never_valueless()):
3384 Only true if the variant would have a move assignment operator.
3385 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
3386 Check __never_valueless<T...>().
3387 (variant::emplace): Only perform non-throwing move assignments
3388 for never-valueless alternatives if the variant has a move assignment
3390 * testsuite/20_util/variant/compile.cc: Check that never-valueless
3391 types can be emplaced into non-assignable variants.
3392 * testsuite/20_util/variant/run.cc: Check that never-valueless types
3393 don't get copied when emplaced into non-assignable variants.
3395 * include/std/variant (__detail::__variant::__ref_cast): Remove
3397 (__detail::__variant::_Uninitialized::_M_get)
3398 (__detail::__variant::__get)
3399 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
3401 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
3403 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
3405 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
3406 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
3407 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
3408 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
3410 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3412 Delegate PSTL configuration to pstl/pstl_config.h
3414 * include/bits/c++config: Remove explicit PSTL configuration
3415 macros and use definitions from <pstl/pstl_config.h>.
3417 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3419 Cleanup algorithm implementations
3420 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
3422 (mismatch): Forward execution policy.
3423 (equal): Qualify call to std::equal().
3424 (partial_sort): Forward execution policy.
3425 (inplace_merge): Forward execution policy.
3427 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
3429 Improve implementation of parallel equal()
3430 * include/pstl/algorithm_impl.h
3431 (__internal::__brick_equal): use "4 iterator" version of
3433 (__internal::__brick_equal): use simd for random access
3434 iterators on unsequenced execution policies.
3435 (__internal::__pattern_equal): add "4 iterator" version
3436 (__internal::__pattern_equal): dispatch to simd __brick_equal
3437 for vector-only execution policies.
3438 (__internal::__pattern_equal): dispatch to __parallel_or for
3439 parallel execution policies.
3440 * include/pstl/glue_algorithm_impl.h
3441 (std::equal): dispatch to "4 iterator" version of
3442 __internal::__pattern_equal().
3444 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
3447 * include/bits/forward_list.h (operator==): Do not use operator!= to
3449 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
3450 earlier in the list, so that sort is stable.
3451 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
3452 * testsuite/23_containers/forward_list/comparable.cc: Test with
3453 types that meet the minimum EqualityComparable and LessThanComparable
3454 requirements. Remove irrelevant comment.
3456 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
3457 Do not depend on whether all alternative types are move constructible.
3458 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
3459 from the operand when deciding whether to perform the assignment.
3460 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
3461 with deleted move constructor and deleted move assignment operator.
3462 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
3463 behaviour of variants with DeletedMoves as an alternative.
3464 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
3465 (move_ctor, move_assign): Check that moving a variant with a
3466 DeletedMoves alternative falls back to copying instead of moving.
3468 * testsuite/20_util/variant/compile.cc: Remove empty string literals
3469 from static_assert declarations.
3471 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
3472 actually match its name.
3473 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
3474 (test_swap()): Fix result for MoveCtorOnly and check
3475 MoveCtorAndSwapOnly.
3477 * include/std/optional (optional::value_or(U&&) &&): Add missing
3478 constexpr specifier.
3479 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
3480 for disengaged optionals and rvalue optionals.
3481 * testsuite/20_util/optional/observers/4.cc: Likewise.
3483 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
3485 * include/pstl/algorithm_impl.h: Uglify identfiers.
3486 * include/pstl/numeric_impl.h: Uglify identfiers.
3487 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
3489 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
3491 * include/bits/c++config:
3492 Add definition for __PSTL_ASSERT.
3493 Add definition for __PSTL_ASSERT_MSG.
3494 * include/pstl/algorithm_impl.h: Replace use of assert().
3495 * include/pstl/numeric_impl.h: Replace use of assert().
3496 * include/pstl/parallel_backend_tbb.h:
3497 Replace use of assert().
3498 Replace use of __TBB_ASSERT().
3499 * include/pstl/parallel_backend_utils.h: Replace use of assert().
3501 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
3504 * src/c++17/memory_resource.cc
3505 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
3506 needed to allow placing a _Chunk at the end of the buffer.
3507 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
3509 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
3511 * doc/xml/faq.xml: Add information about emergency EH pool.
3512 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
3513 Move outdated information on mt_allocator to a separate section.
3514 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
3515 doesn't affect the default allocator.
3517 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
3521 * testsuite/20_util/variant/89851.cc: New test.
3523 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
3525 * include/std/variant: Adjust whitespace. Add comments.
3526 (_Multi_array): Leave primary template undefined.
3527 (_Multi_array<_Tp>): Define partial specialization for base case of
3529 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
3530 which is always a reference.
3531 (__gen_vtable::_S_apply()): Remove function, inline body into
3532 default member initializer.
3533 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
3535 * include/std/variant (__variant_idx_cookie): Add member type.
3536 (__visitor_result_type): Remove.
3537 (__do_visit): Use invoke_result instead of __visitor_result_type.
3538 * testsuite/20_util/variant/visit.cc: New test.
3541 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
3543 * testsuite/20_util/variant/90008.cc: New test.
3545 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
3547 * include/pstl/algorithm_impl.h: Add namespace qualification.
3548 * include/pstl/execution_defs.h: Add namespace qualification.
3549 * include/pstl/execution_impl.h: Add namespace qualification.
3550 * include/pstl/numeric_impl.h: Add namespace qualification.
3551 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
3552 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
3553 * include/pstl/parallel_backend_utils.h: Include <cassert>.
3555 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
3557 Fix visit<R> for variant.
3558 * include/std/variant (__do_visit): Add a template parameter
3559 for enforcing same return types for visit.
3560 (__gen_vtable_impl): Likewise.
3561 (_S_apply_single_alt): Adjust.
3562 (__visit_invoke_impl): New. Handle casting to void.
3563 (__do_visit_invoke): New. Enforces same return types.
3564 (__do_visit_invoke_r): New. Converts return types.
3565 (__visit_invoke): Adjust.
3566 (__gen_vtable): Add a template parameter for enforcing
3567 same return types for visit.
3568 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
3569 different return types.
3570 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
3571 visitors with different return types don't accidentally
3572 compile with regular visitation.
3574 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
3576 * testsuite/27_io/filesystem/iterators/caching.cc: Add
3577 dg-require-filesystem-ts.
3579 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
3581 * doc/xml/manual/status_cxx2020.xml: Update status.
3582 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
3583 * testsuite/20_util/variant/visit_r.cc: New test.
3585 * include/bits/fs_dir.h (directory_iterator::operator*)
3586 (directory_iterator::operator->): Add noexcept.
3587 (operator==, operator!=): Replace namespace-scope equality operators
3588 for directory iterators with hidden friends.
3591 * config/abi/pre/gnu.ver: Add missing exports.
3592 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
3595 * config/abi/pre/gnu.ver: Export new symbols.
3596 * include/bits/fs_dir.h (recursive_directory_iterator::options())
3597 (recursive_directory_iterator::recursion_pending())
3598 (recursive_directory_iterator::disable_recursion_pending()): Remove
3599 inline definitions. Make noexcept.
3600 (recursive_directory_iterator::depth())
3601 (recursive_directory_iterator::operator*())
3602 (recursive_directory_iterator::operator->()): Make noexcept.
3603 (recursive_directory_iterator::_M_options)
3604 (recursive_directory_iterator::_M_pending): Remove data members.
3605 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
3606 (recursive_directory_iterator::recursive_directory_iterator): Remove
3607 ctor-initializer. Use new constructor for _Dir_stack.
3608 (recursive_directory_iterator::options())
3609 (recursive_directory_iterator::recursion_pending())
3610 (recursive_directory_iterator::disable_recursion_pending()): Add
3611 non-inline definitions.
3612 (recursive_directory_iterator::depth()): Make noexcept.
3613 (recursive_directory_iterator::increment(error_code&))
3614 (recursive_directory_iterator::pop(error_code&)): Adjust to new
3615 location of options and recursion_pending members.
3616 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
3617 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
3618 user-declared move constructor and assignment operator, to make the
3621 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
3622 d_type == DT_UNKNOWN immediately.
3623 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
3625 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
3627 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
3629 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
3630 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
3633 PR libstdc++/87431 (again)
3634 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
3635 Define partial specialization for basic_string.
3636 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
3637 shared_ptr and weak_ptr.
3638 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
3640 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
3642 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
3644 * include/debug/vector (_Never_valueless_alt): Likewise for debug
3646 * include/std/any (_Never_valueless_alt): Define explicit
3647 specialization for any.
3648 * include/std/variant (_Never_valueless_alt): Define primary template.
3649 (__never_valueless): Use _Never_valueless_alt instead of
3650 is_trivially_copyable.
3651 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
3652 initializations to avoid try-catch overhead. Add special case for
3653 scalars produced by potentially-throwing conversions. Use
3654 _Never_valueless_alt instead of is_trivially_copyable for the
3655 remaining strong exception-safety cases.
3656 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
3657 * testsuite/20_util/variant/87431.cc: Run both test functions.
3658 * testsuite/20_util/variant/exception_safety.cc: New test.
3659 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
3660 so the variant becomes valueless.
3662 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
3665 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
3667 (variant::emplace<_Tp>): Return result of emplace<N> directly.
3669 * include/std/string (__hash_string_base): New class template defining
3670 operator() for hashing strings.
3671 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
3672 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
3673 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
3674 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
3676 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
3678 Use single-visitation in variant assignment and swap and relops.
3679 Also use indices instead of types when checking whether
3680 variants hold the same thing.
3681 * include/std/variant (__do_visit): Add a template parameter
3682 for index visitation, invoke with indices if index visitation
3684 (__variant_idx_cookie): New.
3685 (__visit_with_index): Likewise.
3686 (_Copy_assign_base::operator=): Do single-visitation with
3688 (_Move_assign_base::operator=): Likewise.
3689 (_Extra_visit_slot_needed): Adjust.
3690 (__visit_invoke): Call with indices if it's an index visitor.
3691 (relops): Do single-visitation with an index visitor.
3693 (__visitor_result_type): New.
3695 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
3697 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
3699 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
3701 Don't revisit a variant we are already visiting.
3702 * include/std/variant (__variant_construct_single): New.
3703 (__variant_construct): Use it.
3704 (_M_destructive_move): Likewise.
3705 (_M_destructive_copy): Likewise.
3706 (_Copy_assign_base::operator=): Adjust.
3707 (_Move_assign_base::operator=): Likewise.
3710 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
3713 * include/bits/hashtable.h (_Hashtable): Move static assertions to
3714 destructor so they are not evaluated until the _Key type is complete.
3715 * include/bits/stl_tree.h (_Rb_tree): Likewise.
3716 * testsuite/23_containers/set/85965.cc: New test.
3717 * testsuite/23_containers/unordered_set/85965.cc: New test.
3718 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
3719 with regexp matching the corresponding _Rb_tree specialization.
3720 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
3721 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
3722 * testsuite/23_containers/set/48101_neg.cc: Likewise.
3723 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
3724 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
3725 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
3726 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
3728 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3731 Fix based on a suggestion by Antony Polukhin.
3732 * include/std/variant (__never_valueless): New.
3734 (_Extra_visit_slot_needed): New.
3735 (_Multi_array): Use it.
3736 (_S_apply_all_alts): Likewise.
3738 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3741 Fix based on a suggestion by Antony Polukhin.
3742 * include/std/variant (__gen_vtable): Don't reserve an
3743 additional table slot, _Multi_array already does that.
3745 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3748 Fix based on a suggestion by Antony Polukhin.
3749 * include/std/variant (__variant_construct): Capture a pointer
3750 to the storage and visit just one variant.
3752 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
3754 * doc/xml/manual/backwards_compatibility.xml: Remove link to
3755 Doxygen-generated pages with unstable URL.
3756 * doc/xml/manual/concurrency_extensions.xml: Likewise.
3757 * doc/xml/manual/extensions.xml: Likewise.
3758 * doc/xml/manual/parallel_mode.xml: Likewise.
3759 * doc/xml/manual/support.xml: Likewise.
3761 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
3762 avoid -Wconversion warnings.
3764 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
3766 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
3767 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
3768 (allstamped): Add stamp-pstl.
3769 (install-headers): Add ptsl_builddir.
3770 * include/Makefile.in: Regenerate.
3771 * include/bits/c++config: Add pstl configuration.
3772 * include/pstl/LICENSE.txt: New file.
3773 * include/pstl/algorithm_fwd.h: New file.
3774 * include/pstl/algorithm_impl.h: New file.
3775 * include/pstl/execution_defs.h: New file.
3776 * include/pstl/execution_impl.h: New file.
3777 * include/pstl/glue_algorithm_defs.h: New file.
3778 * include/pstl/glue_algorithm_impl.h: New file.
3779 * include/pstl/glue_execution_defs.h: New file.
3780 * include/pstl/glue_memory_defs.h: New file.
3781 * include/pstl/glue_memory_impl.h: New file.
3782 * include/pstl/glue_numeric_defs.h: New file.
3783 * include/pstl/glue_numeric_impl.h: New file.
3784 * include/pstl/memory_impl.h: New file.
3785 * include/pstl/numeric_fwd.h: New file.
3786 * include/pstl/numeric_impl.h: New file.
3787 * include/pstl/parallel_backend.h: New file.
3788 * include/pstl/parallel_backend_tbb.h: New file.
3789 * include/pstl/parallel_backend_utils.h: New file.
3790 * include/pstl/parallel_impl.h: New file.
3791 * include/pstl/pstl_config.h: New file.
3792 * include/pstl/unseq_backend_simd.h: New file.
3793 * include/pstl/utils.h: New file.
3794 * include/std/algorithm: Include parallel algorithm implementations.
3795 * include/std/execution: New file.
3796 * include/std/memory: Include parallel algorithm implementations.
3797 * include/std/numeric: Include parallel algorithm implementations.
3798 * include/std/version: Add parallel algorithms feature test macro.
3799 * testsuite/util/pstl/pstl_test_config.h: New file.
3800 * testsuite/util/pstl/test_utils.h: New file.
3801 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
3802 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
3803 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
3804 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
3805 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
3806 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
3807 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
3808 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
3809 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
3810 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
3811 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
3812 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
3813 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
3814 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
3815 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
3816 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
3817 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
3818 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
3819 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
3820 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
3821 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
3822 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
3823 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
3824 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
3825 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
3826 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
3827 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
3828 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
3829 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
3830 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
3831 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
3832 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
3833 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
3834 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
3835 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
3836 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
3837 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
3838 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
3839 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
3840 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
3841 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
3842 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
3843 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
3844 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
3845 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
3846 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
3847 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
3848 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
3849 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
3850 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
3851 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
3852 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
3853 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
3854 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
3855 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
3856 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
3857 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
3858 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
3859 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
3860 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
3861 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
3862 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
3863 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
3864 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
3865 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
3866 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
3867 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
3868 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
3869 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
3870 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
3871 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
3872 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
3873 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
3874 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
3875 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
3876 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
3877 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
3878 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
3879 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
3880 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
3881 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
3882 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
3883 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
3884 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
3885 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
3886 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
3887 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
3888 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
3889 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
3890 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
3891 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
3892 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
3893 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
3894 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
3895 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
3896 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
3897 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
3898 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
3899 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
3900 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
3901 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
3902 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
3903 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
3904 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
3905 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
3906 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
3908 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
3910 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
3911 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
3912 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
3913 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
3914 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
3915 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
3916 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
3917 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
3918 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
3919 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
3920 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
3921 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
3922 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
3923 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
3924 when the special functions IS is enabled, not for C++17.
3925 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
3927 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
3928 without checks for special functions in C++17.
3929 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
3933 * include/backward/hash_map: Use <> for includes not "".
3934 * include/backward/hash_set: Likewise.
3935 * include/backward/strstream: Likewise.
3936 * include/tr1/bessel_function.tcc: Likewise.
3937 * include/tr1/exp_integral.tcc: Likewise.
3938 * include/tr1/legendre_function.tcc: Likewise.
3939 * include/tr1/modified_bessel_func.tcc: Likewise.
3940 * include/tr1/riemann_zeta.tcc: Likewise.
3942 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
3944 * doc/xml/manual/allocator.xml: Link to table documenting evolution
3945 of extension allocators.
3946 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
3947 Document new headers in 7.2, 8.1 and 9.1 releases.
3948 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
3949 * doc/html/*: Regenerate.
3951 2019-03-12 John David Anglin <dave.anglin@bell.net>
3954 * testsuite/lib/libstdc++.exp: Locate libatomic.
3955 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
3956 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
3958 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
3959 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
3960 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
3961 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
3963 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
3966 * configure.ac: Check for sockatmark.
3967 * crossconfig.m4: Check for sockatmark.
3968 * config.h.in: Regenerate.
3969 * configure: Regenerate.
3970 * include/experimental/internet (address_v4::_S_hton): Rename
3971 overloaded functions to _S_hton_16 and _S_ntoh_16.
3972 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
3973 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
3974 * include/experimental/socket (basic_socket::at_mark): Check
3975 _GLIBCXX_HAVE_SOCKATMARK.
3977 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
3978 const variables instead of macros.
3981 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
3982 Use correct type for len_aligned.
3983 * testsuite/20_util/hash/89629.cc: New test.
3985 2019-03-11 Jakub Jelinek <jakub@redhat.com>
3988 * include/std/atomic (atomic<T>::store, atomic<T>::load,
3989 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
3990 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
3991 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
3992 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
3993 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
3994 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
3995 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
3996 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
3997 memory_order_seq_cst to int.
3999 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
4001 * doc/xml/manual/using.xml: Use link element instead of xref.
4002 * doc/html/*: Regenerate.
4004 * include/bits/fs_path.h (path::format): Add fixed underlying type.
4006 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
4009 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
4010 parameters in deduction guides.
4011 * include/debug/multimap.h (multimap): Likewise.
4012 * include/debug/set.h (multimap): Likewise.
4013 * include/debug/multiset.h (multimap): Likewise.
4014 * include/debug/unordered_map (unordered_map): Likewise.
4015 (unordered_multimap): Likewise.
4016 * include/debug/unordered_set (unordered_set): Likewise.
4017 (unordered_multiset): Likewise.
4020 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
4021 Invalidate all iterators in case of rehash.
4022 (unordered_multimap<>::_M_check_rehashed): Likewise.
4023 * include/debug/unordered_set
4024 (unordered_set<>::_M_check_rehashed): Likewise.
4025 (unordered_multiset<>::_M_check_rehashed): Likewise.
4026 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
4028 2019-03-07 Andreas Schwab <schwab@suse.de>
4030 * config/abi/post/riscv64-linux-gnu: New directory.
4031 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
4033 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
4035 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
4036 compile test to run. Fix typo.
4038 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
4039 * doc/html/*: Regenerate.
4041 P0356R5 Simplified partial function application
4042 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
4043 helpers for bind_front.
4044 (bind_front, __cpp_lib_bind_front): Define.
4045 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
4047 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4049 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
4050 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
4051 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
4052 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
4054 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
4056 PR libstdc++/86655 - std::assoc_legendre should not constrain
4057 the value of m (or x).
4058 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
4059 __sph_legendre): If degree > order Don't throw, return 0.
4060 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
4061 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
4062 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
4063 * testsuite/tr1/5_numerical_facilities/special_functions/
4064 02_assoc_legendre/pr86655.cc: New test.
4065 * testsuite/tr1/5_numerical_facilities/special_functions/
4066 22_sph_legendre/pr86655.cc: New test.
4068 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
4071 Also PR libstdc++/85517
4072 * include/std/variant (__do_visit): New.
4073 (__variant_cast): Likewise.
4074 (__variant_cookie): Likewise.
4075 (__erased_*): Remove.
4076 (_Variant_storage::_S_vtable): Likewise.
4077 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
4078 (_Variant_storage::__M_reset): Adjust.
4079 (__variant_construct): New.
4080 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
4081 __variant_construct.
4082 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
4083 (_Move_ctor_base::__M_destructive_copy): New.
4084 (_Move_ctor_base::__M_destructive_move): Adjust to use
4085 __variant_construct.
4086 (_Copy_assign_base::operator=): Adjust to use __do_visit.
4087 (_Copy_assign_alias): Adjust to check both copy assignment
4088 and copy construction for triviality.
4089 (_Move_assign_base::operator=): Adjust to use __do_visit.
4090 (_Multi_array): Add support for visitors that accept and return
4092 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
4093 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
4094 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
4095 a __variant_cookie temporary for a variant that is valueless and..
4096 (__gen_vtable_impl::__visit_invoke): ..adjust here.
4097 (__gen_vtable::_Array_type): Conditionally make space for
4098 the __variant_cookie visitor case.
4099 (__variant_construct_by_index): New.
4100 (get_if): Adjust to use std::addressof.
4101 (relops): Adjust to use __do_visit.
4102 (variant): Add __variant_cast and __variant_construct_by_index
4104 (variant::emplace): Use _M_reset() and __variant_construct_by_index
4105 instead of self-destruction.
4106 (variant::swap): Adjust to use __do_visit.
4107 (visit): Reimplement in terms of __do_visit.
4108 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
4109 * testsuite/20_util/variant/compile.cc: Adjust.
4110 * testsuite/20_util/variant/run.cc: Likewise.
4112 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4114 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
4116 * testsuite/experimental/feat-char8_t.cc: Likewise.
4118 * include/std/type_traits [C++20] (is_bounded_array)
4119 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
4121 * testsuite/20_util/is_bounded_array/requirements/
4122 explicit_instantiation.cc: New test.
4123 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
4125 * testsuite/20_util/is_bounded_array/value.cc: New test.
4126 * testsuite/20_util/is_unbounded_array/requirements/
4127 explicit_instantiation.cc: New test.
4128 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
4130 * testsuite/20_util/is_unbounded_array/value.cc: New test.
4132 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
4134 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
4136 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
4138 * include/c_compatibility/math.h [C++20] (lerp): Add using
4140 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
4141 (__lerp): Define function template to implement lerp.
4142 (lerp(float, float, float), lerp(double, double, double))
4143 (lerp(long double, long double, long double)): Define for C++20.
4144 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
4145 (midpoint(T, T), midpoint(T*, T*)): Define.
4146 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
4147 * testsuite/26_numerics/lerp.cc: New test.
4148 * testsuite/26_numerics/midpoint/floating.cc: New test.
4149 * testsuite/26_numerics/midpoint/integral.cc: New test.
4150 * testsuite/26_numerics/midpoint/pointer.cc: New test.
4152 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
4154 PR libstdc++/88996 Implement P0439R0
4155 Make std::memory_order a scoped enumeration.
4156 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
4157 add variables for the old enumerators. Adjust calls.
4158 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
4159 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
4161 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
4163 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
4166 * include/std/memory_resource (polymorphic_allocator): Add default
4167 template argument for C++20.
4168 (polymorphic_allocator::allocate_bytes)
4169 (polymorphic_allocator::deallocate_bytes)
4170 (polymorphic_allocator::allocate_object)
4171 (polymorphic_allocator::deallocate_object)
4172 (polymorphic_allocator::new_object)
4173 (polymorphic_allocator::delete_object): New member functions for
4175 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
4178 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
4181 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
4184 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
4186 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
4187 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
4189 * include/std/memory (uses_allocator_construction_args): New set of
4190 overloaded functions.
4191 (make_obj_using_allocator, uninitialized_construct_using_allocator):
4193 * include/std/memory_resource (polymorphic_allocator::construct)
4194 [__cplusplus > 201703l]: Replace all overloads with a single function
4195 using uses_allocator_construction_args.
4196 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
4198 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
4200 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
4203 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
4204 stylesheet directories before check for xsltproc. Try to use
4205 xmlcatalog to find local stylesheet directory before trying hardcoded
4206 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
4207 check to look for the same stylesheet as doc/Makefile.am uses. Don't
4208 use xsltproc if xmlcatalog fails to find a local stylesheet.
4209 * configure.ac: Check for xmlcatalog.
4210 * Makefile.in: Regenerate.
4211 * configure: Likewise.
4212 * doc/Makefile.in: Likewise.
4213 * include/Makefile.in: Likewise.
4214 * libsupc++/Makefile.in: Likewise.
4215 * po/Makefile.in: Likewise.
4216 * python/Makefile.in: Likewise.
4217 * src/Makefile.in: Likewise.
4218 * src/c++11/Makefile.in: Likewise.
4219 * src/c++17/Makefile.in: Likewise.
4220 * src/c++98/Makefile.in: Likewise.
4221 * src/filesystem/Makefile.in: Likewise.
4222 * testsuite/Makefile.in: Likewise.
4224 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
4227 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
4228 container deduction guides.
4229 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
4230 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
4231 parameters in deduction guides.
4232 * include/bits/stl_multimap.h (multimap): Likewise.
4233 * include/bits/stl_multiset.h (multiset): Likewise.
4234 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
4235 * include/bits/stl_set.h (set): Likewise.
4236 * include/bits/stl_stack.h (stack): Likewise.
4237 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
4238 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
4239 constrain parameters in deduction guides.
4240 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
4242 * testsuite/23_containers/map/cons/deduction.cc: Test additional
4244 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
4245 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
4246 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
4247 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
4249 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
4251 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
4254 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
4255 to class template and partial specialization using void_t.
4256 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4258 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
4261 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
4262 copy and move members public.
4264 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
4266 * include/std/type_traits (__underlying_type_impl): New helper to
4267 make underlying_type SFINAE-friendly.
4268 (underlying_type): Derive from __underlying_type_impl.
4269 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
4273 * include/bits/char_traits.h (__constant_char_array): Check index is
4274 in range before dereferencing.
4275 (char_traits<char>::compare, char_traits<char>::find)
4276 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
4277 immediately if n is zero.
4278 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
4279 Remove workarounds for PR 67026.
4280 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
4282 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
4285 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4287 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
4288 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
4290 2019-02-22 Jakub Jelinek <jakub@redhat.com>
4293 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
4294 type to std::size_t and argument to type to long double.
4296 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4298 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
4299 * config/abi/post/sparc64-linux-gnu: New directory.
4300 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
4301 * config/abi/post/sparc64-linux-gnu/32: New directory.
4302 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
4304 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4306 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
4307 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
4310 2019-02-22 Tom Honermann <tom@honermann.net>
4312 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
4313 printers for u8string and u8string_view.
4315 2019-02-22 Tom Honermann <tom@honermann.net>
4317 * testsuite/18_support/byte/ops.cc: Validate
4318 std::to_integer<char8_t>, std::to_integer<char16_t>, and
4319 std::to_integer<char32_t>.
4320 * testsuite/18_support/numeric_limits/dr559.cc: Validate
4321 std::numeric_limits<char8_t>.
4322 * testsuite/18_support/numeric_limits/lowest.cc: Validate
4323 std::numeric_limits<char8_t>::lowest().
4324 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
4325 std::numeric_limits<char8_t>::max_digits10.
4326 * testsuite/18_support/type_info/fundamental.cc: Validate
4327 typeinfo for char8_t.
4328 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
4329 std::from_chars with char8_t.
4330 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
4331 Validate explicit instantiation of std::hash<char8_t>.
4332 * testsuite/20_util/is_integral/value.cc: Validate
4333 std::is_integral<char8_t>.
4334 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
4335 Validate std::make_signed<char8_t>.
4336 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
4337 Validate u8string construction from char8_t sources.
4338 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
4340 * testsuite/21_strings/basic_string_view/operations/compare/
4341 char/70483.cc: Validate substr operations on u8string_view.
4342 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
4343 the u8string_view typedef is defined.
4344 * testsuite/21_strings/char_traits/requirements/
4345 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
4347 * testsuite/21_strings/char_traits/requirements/
4348 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
4349 constexpr member functions.
4350 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
4351 that the u8string typedef is defined.
4352 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
4353 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
4354 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
4355 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
4357 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
4358 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
4360 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
4361 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
4362 Validate std::atomic<char8_t>::is_always_lock_free
4363 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
4364 Update line numbers.
4365 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
4367 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
4369 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
4370 Validate std::experimental::pmr::u8string.
4371 * testsuite/experimental/string_view/typedefs.cc: Validate that the
4372 u8string_view typedef is defined.
4373 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
4374 char32_t to the typelists.
4376 2019-02-22 Tom Honermann <tom@honermann.net>
4378 * include/ext/typelist.h: Constrain a partial specialization of
4379 typelist::detail::append_ to only match chain<T1,T2>.
4381 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4384 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
4385 class template with class. Replace move and copy member types with
4386 member alias templates, so they are only instantiated when needed.
4387 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4388 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
4389 test for C++11/14/17 as well.
4390 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
4393 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4396 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
4397 _GLIBCXX_PURE to the alias declaration.
4399 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
4401 * testsuite/21_strings/basic_string/literals/types.cc
4402 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
4403 * testsuite/21_strings/basic_string/literals/values.cc
4404 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4405 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
4406 potentially having different type.
4407 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
4408 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
4410 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
4411 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
4412 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
4413 string literals only using basic character set.
4414 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
4415 u8 literals to char.
4416 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
4417 Test ATOMIC_CHAR8_T_LOCK_FREE.
4418 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
4419 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
4420 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
4421 * testsuite/experimental/string_view/literals/types.cc
4422 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
4424 * testsuite/experimental/string_view/literals/values.cc
4425 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4427 2019-02-19 Tom Honermann <tom@honermann.net>
4429 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
4430 from char16_32_t.cc; validates numeric_limits<char8_t>.
4431 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
4432 test cloned from types.cc; validates operator""s for char8_t
4434 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
4435 test cloned from values.cc; validates construction and comparison
4437 * testsuite/21_strings/basic_string/requirements/
4438 /explicit_instantiation/char8_t/1.cc: New test cloned from
4439 char16_t/1.cc; validates explicit instantiation of
4440 basic_string<char8_t>.
4441 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
4442 New test cloned from types.cc; validates operator""sv for char8_t
4443 returns u8string_view.
4444 * testsuite/21_strings/basic_string_view/literals/
4445 values-char8_t.cc: New test cloned from values.cc; validates
4446 construction and comparison of u8string_view values.
4447 * testsuite/21_strings/basic_string_view/requirements/
4448 explicit_instantiation/char8_t/1.cc: New test cloned from
4449 char16_t/1.cc; validates explicit instantiation of
4450 basic_string_view<char8_t>.
4451 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
4452 New test cloned from char16_t/65049.cc; validates that
4453 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
4454 * testsuite/21_strings/char_traits/requirements/char8_t/
4455 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
4456 that char_traits<char8_t> member typedefs are present and correct.
4457 * testsuite/21_strings/char_traits/requirements/
4458 explicit_instantiation/char8_t/1.cc: New test cloned from
4459 char16_t/1.cc; validates explicit instantiation of
4460 char_traits<char8_t>.
4461 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
4462 from char16_t.cc: validates
4463 codecvt<char16_t, char8_t, mbstate_t>.
4464 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
4465 from char32_t.cc: validates
4466 codecvt<char32_t, char8_t, mbstate_t>.
4467 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
4468 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
4469 codecvt<char32_t, char8_t, std::mbstate_t>.
4470 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
4471 test cloned from string.cc; validates filesystem::path construction
4473 * testsuite/experimental/feat-char8_t.cc: New test; validates that
4474 the __cpp_lib_char8_t feature test macro is defined with the
4476 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
4477 New test cloned from string.cc; validates filesystem::path
4478 construction from char8_t input.
4479 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
4480 test cloned from types.cc; validates operator""sv for char8_t
4481 returns u8string_view.
4482 * testsuite/experimental/string_view/literals/values-char8_t.cc:
4483 New test cloned from values.cc; validates construction and
4484 comparison of u8string_view values.
4485 * testsuite/experimental/string_view/requirements/
4486 explicit_instantiation/char8_t/1.cc: New test cloned from
4487 char16_t/1.cc; validates explicit instantiation of
4488 basic_string_view<char8_t>.
4489 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
4490 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
4493 2019-02-19 Tom Honermann <tom@honermann.net>
4495 P0482R5 char8_t: Standard library support
4496 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
4497 typeinfo symbols for char8_t.
4498 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
4499 (GLIBCXX_3.4.26): Add symbols for specializations of
4500 numeric_limits and codecvt that involve char8_t.
4501 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
4502 * include/bits/atomic_base.h: Add atomic_char8_t.
4503 * include/bits/basic_string.h: Add std::hash<u8string> and
4504 operator""s(const char8_t*, size_t).
4505 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
4507 * include/bits/char_traits.h: Add char_traits<char8_t>.
4508 * include/bits/codecvt.h: Add
4509 codecvt<char16_t, char8_t, mbstate_t>,
4510 codecvt<char32_t, char8_t, mbstate_t>,
4511 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4512 codecvt_byname<char32_t, char8_t, mbstate_t>.
4513 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
4514 recognize char8_t as an integral type.
4515 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
4517 (path::u8string): Return std::u8string when char8_t support is
4519 (path::generic_u8string): Likewise.
4520 (path::_S_convert): Handle conversion from char8_t input.
4521 (path::_S_str_convert): Likewise.
4522 * include/bits/functional_hash.h: Add hash<char8_t>.
4523 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
4525 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
4526 for new char8_t specializations.
4527 * include/bits/localefwd.h: Add missing declarations of
4528 codecvt<char16_t, char, mbstate_t> and
4529 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
4530 codecvt<char16_t, char8_t, mbstate_t> and
4531 codecvt<char32_t, char8_t, mbstate_t>.
4532 * include/bits/postypes.h: Add u8streampos
4533 * include/bits/stringfwd.h: Add declarations of
4534 char_traits<char8_t> and u8string.
4535 * include/c_global/cstddef: Add __byte_operand<char8_t>.
4536 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4538 (path::u8string): Return std::u8string when char8_t support is
4540 (path::generic_u8string): Likewise.
4541 (path::_S_convert): Handle conversion from char8_t input.
4542 (path::_S_str_convert): Likewise.
4543 * include/experimental/string: Add u8string.
4544 * include/experimental/string_view: Add u8string_view,
4545 hash<experimental::u8string_view>, and
4546 operator""sv(const char8_t*, size_t).
4547 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
4548 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
4549 as a character type.
4550 * include/std/limits: Add numeric_limits<char8_t>.
4551 * include/std/string_view: Add u8string_view,
4552 hash<experimental::u8string_view>, and
4553 operator""sv(const char8_t*, size_t).
4554 * include/std/type_traits: Add __is_integral_helper<char8_t>,
4555 __make_unsigned<char8_t>, and __make_signed<char8_t>.
4556 * libsupc++/atomic_lockfree_defines.h: Define
4557 ATOMIC_CHAR8_T_LOCK_FREE.
4558 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
4559 codecvt.cc and limits.cc so that char8_t specializations of
4560 numeric_limits and codecvt and emitted.
4561 * src/c++11/Makefile.in: Likewise.
4562 * src/c++11/codecvt.cc: Define members of
4563 codecvt<char16_t, char8_t, mbstate_t>,
4564 codecvt<char32_t, char8_t, mbstate_t>,
4565 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4566 codecvt_byname<char32_t, char8_t, mbstate_t>.
4567 * src/c++11/limits.cc: Define members of
4568 numeric_limits<char8_t>.
4569 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
4570 locale_init.cc and localename.cc.
4571 * src/c++98/Makefile.in: Likewise.
4572 * src/c++98/locale_init.cc: Add initialization for the
4573 codecvt<char16_t, char8_t, mbstate_t> and
4574 codecvt<char32_t, char8_t, mbstate_t> facets.
4575 * src/c++98/localename.cc: Likewise.
4576 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
4578 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
4580 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
4581 * 27_io/filesystem/operations/resize_file.cc: Likewise.
4582 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
4584 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
4586 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
4587 * doc/html/*: Regenerate.
4589 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
4590 * doc/html/*: Regenerate.
4592 * doc/xml/manual/intro.xml: Document LWG 2586 status.
4593 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
4594 allocator type in is_constructible checks.
4595 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
4596 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
4597 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
4598 problematic type from LWG 2586 discussion.
4599 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
4600 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
4602 * configure.ac: Check for C11 timespec_get function.
4603 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
4605 * config.h.in: Regenerate.
4606 * configure: Regenerate.
4607 * include/c_global/ctime (timespec, timespec_get): Add to namespace
4608 std for C++17 and up.
4610 * doc/xml/manual/intro.xml: Document LWG 2537 status.
4611 * include/bits/stl_queue.h
4612 (priority_queue(const Compare&, const Container&, const Alloc&))
4613 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
4615 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
4617 * doc/xml/manual/intro.xml: Document LWG 2566 status.
4618 * include/bits/stl_queue.h (queue, priority_queue): Add static
4619 assertions to enforce LWG 2566 requirement on value_type.
4620 * include/bits/stl_stack.h (stack): Likewise.
4623 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
4625 * doc/xml/manual/intro.xml: Document LWG 2735 status.
4626 * include/bits/std_abs.h: Add comment about LWG 2735.
4627 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
4629 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
4632 * include/std/version [__cpp_impl_destroying_delete]
4633 (__cpp_lib_destroying_delete): Only define for C++2a and later.
4634 * libsupc++/new [__cpp_impl_destroying_delete]
4635 (__cpp_lib_destroying_delete): Likewise.
4636 (destroying_delete_t, destroying_delete): Likewise, but define even
4637 when __cpp_impl_destroying_delete is not defined.
4638 * testsuite/18_support/destroying_delete.cc: New test.
4640 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
4643 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
4644 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
4645 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
4646 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
4648 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
4651 * include/bits/fs_path.h (path::has_root_name)
4652 (path::has_root_directory, path::has_root_path)
4653 (path::has_relative_path, path::has_parent_path)
4654 (path::has_filename, path::has_stem, path::has_extension)
4655 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
4657 * src/c++17/fs_path.cc (path::has_root_name)
4658 (path::has_root_directory, path::has_root_path)
4659 (path::has_relative_path, path::has_parent_path)
4660 (path::has_filename, path::_M_find_extension): Add noexcept.
4662 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
4664 PR libstdc++/89102 (partial)
4665 * include/std/type_traits (common_type<>): Define.
4666 (common_type<T>): Derive from common_type<T, T>.
4667 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
4668 Test zero-length template argument list.
4669 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
4670 Test additional single argument cases.
4671 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
4672 Adjust expected error.
4674 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
4677 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
4679 * include/bits/stl_stack.h (stack): Likewise.
4680 * testsuite/23_containers/priority_queue/deduction.cc: New test.
4681 * testsuite/23_containers/queue/deduction.cc: New test.
4682 * testsuite/23_containers/stack/deduction.cc: New test.
4685 * include/std/type_traits (__is_convertible_helper)
4686 (__is_convertible_helper<_From, _To, false>): Revert changes to
4687 support is_nothrow_convertible.
4688 (__is_nt_convertible_helper): New helper.
4689 (is_nothrow_convertible): Use __is_nt_convertible_helper.
4691 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
4692 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
4695 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
4696 __is_alloc_insertable_impl. Replace single type member with two
4697 members, one for each of copy and move insertable.
4698 (__is_move_insertable): New trait for internal use.
4699 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
4700 (vector::_S_nothrow_relocate(true_type)): New functions to
4701 conditionally check if __relocate_a can throw.
4702 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
4703 on __is_move_insertable.
4704 (vector::_S_do_relocate): New overloaded functions to conditionally
4706 (vector::_S_relocate): New function that dispatches to _S_do_relocate
4707 based on _S_use_relocate.
4708 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4709 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
4710 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
4713 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
4714 parameter unnamed. Add message to static assertion.
4715 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4716 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
4719 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
4722 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
4724 (__is_bitwise_relocatable): ... to this.
4725 (__relocate_a_1): Adapt.
4726 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
4727 (__is_bitwise_relocatable): ... to this.
4729 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
4732 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
4733 final component as well as from _M_pathname. Append the dot using
4734 operator+= instead of only to _M_pathname.
4735 (path::_M_find_extension): Reformat slightly.
4736 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4737 Add more test cases.
4739 2019-01-30 Ulrich Drepper <drepper@redhat.com>
4741 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
4743 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
4745 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
4746 constexpr specifiers from arg and proj.
4748 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
4749 __shared_ptr instantiations used by gcc4-compatible ABI.
4751 * include/experimental/forward_list (experimental::erase): Qualify
4753 * include/experimental/list (experimental::erase): Likewise.
4754 * include/std/forward_list (std::erase): Likewise.
4755 * include/std/list (std::erase): Likewise.
4757 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
4759 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
4760 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
4761 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
4762 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
4763 * testsuite/ext/array_allocator/26875.cc: Likewise.
4764 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
4765 * testsuite/util/replacement_memory_operators.h: Likewise.
4766 * testsuite/util/testsuite_allocator.h: Likewise.
4768 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
4769 normal mode vector, even for debug mode.
4770 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
4771 Define alias template for normal mode vector.
4773 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
4776 * config/locale/generic/c_locale.h (__convert_from_v)
4777 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4778 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4779 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
4780 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4782 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
4785 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
4786 data member with static member function _S_use_relocate().
4787 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4788 (vector::_M_default_append): Use _S_use_relocate() instead of
4791 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
4794 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
4797 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
4798 write to stderr instead of using printf.
4800 2019-01-21 Jakub Jelinek <jakub@redhat.com>
4803 * include/bits/char_traits.h (__constant_string_p,
4804 __constant_char_array_p): Use __builtin_is_constant_evaluated if
4807 2019-01-20 Ulrich Drepper <drepper@redhat.com>
4809 Implement C++20 P0600r1.
4810 * include/backward/hash_map: Add nodiscard attribute to empty.
4811 * include/backward/hash_set: Likewise.
4812 * backward/hashtable.h: Likewise.
4813 * include/bits/basic_string.h: Likewise.
4814 * include/bits/forward_list.h: Likewise.
4815 * include/bits/hashtable.h: Likewise.
4816 * include/bits/regex.h: Likewise.
4817 * include/bits/stl_deque.h: Likewise.
4818 * include/bits/stl_list.h: Likewise.
4819 * include/bits/stl_map.h: Likewise.
4820 * include/bits/stl_multimap.h: Likewise.
4821 * include/bits/stl_multiset.h: Likewise.
4822 * include/bits/stl_queue.h: Likewise.
4823 * include/bits/stl_set.h: Likewise.
4824 * include/bits/stl_stack.h: Likewise.
4825 * include/bits/stl_tree.h: Likewise.
4826 * include/bits/stl_vector.h: Likewise.
4827 * include/bits/unordered_map.h: Likewise.
4828 * include/bits/unordered_set.h: Likewise.
4829 * include/debug/array: Likewise.
4830 * include/experimental/any: Likewise.
4831 * include/experimental/bits/fs_path.h: Likewise.
4832 * include/experimental/internet: Likewise.
4833 * include/experimental/string_view: Likewise.
4834 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
4836 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
4838 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
4840 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
4842 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
4844 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
4846 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
4848 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
4850 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
4851 info_fn_imps.hpp: Likewise.
4852 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
4853 left_child_next_sibling_heap_.hpp: Likewise.
4854 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
4856 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
4858 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
4860 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
4862 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
4864 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
4866 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
4868 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
4869 * include/ext/pb_ds/trie_policy.hpp: Likewise.
4870 * include/ext/rope: Likewise.
4871 * include/ext/slist: Likewise.
4872 * include/ext/vstring.h: Likewise.
4873 * include/profile/array: Likewise.
4874 * include/std/array: Likewise.
4875 * include/tr1/array: Likewise.
4876 * include/tr1/hashtable.h: Likewise.
4877 * include/tr1/regex: Likewise.
4878 * include/tr2/dynamic_bitset: Likewise.
4879 * include/bits/alloc_traits.h: Add nodiscard attribute to
4881 * include/experimental/memory_resource: Likewise.
4882 * include/ext/alloc_traits.h: Likewise.
4883 * include/ext/array_allocator.h: Likewise.
4884 * include/ext/bitmap_allocator.h: Likewise.
4885 * include/ext/debug_allocator.h: Likewise.
4886 * include/ext/extptr_allocator.h: Likewise.
4887 * include/ext/mt_allocator.h: Likewise.
4888 * include/ext/new_allocator.h: Likewise.
4889 * include/ext/pool_allocator.h: Likewise.
4890 * include/ext/throw_allocator.h: Likewise.
4891 * include/std/scoped_allocator: Likewise.
4892 * libsupc++/eh_alloc.cc: Likewise.
4893 * include/std/future: Add nodiscard attribute to async.
4894 * libsupc++/new: Add nodiscard attribute to new.
4896 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
4901 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
4902 * include/bits/shared_ptr.h
4903 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
4904 (allocate_shared): Change to use new tag type.
4905 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
4906 Declare new member function.
4907 (_Sp_alloc_shared_tag): Define new type.
4908 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
4909 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
4910 _Sp_make_shared_tag::_S_eq to check type_info.
4911 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
4912 Constrain to prevent being called with _Sp_alloc_shared_tag.
4913 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
4914 Replace constructor with ...
4915 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
4916 reference parameter so address of the new object can be returned to
4917 the caller. Obtain the allocator from the tag type.
4918 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
4919 constructor with ...
4920 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
4921 to the __shared_count constructor.
4922 (__allocate_shared): Change to use new tag type.
4923 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
4925 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
4927 * src/c++17/fs_ops.cc
4928 (equivalent(const path&, const path&, error_code&))
4929 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
4930 compare files instead of relying on incomplete info returned by stat.
4933 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
4934 if the path is already absolute.
4935 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
4936 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
4939 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
4940 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
4941 of filesystem::exists.
4942 (create_directories(const path&, error_code&)): Add assertions.
4943 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
4944 Add workaround for bug in _wstat for paths with trailing slash.
4945 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
4946 for expected behaviour on mingw.
4947 * testsuite/experimental/filesystem/operations/create_directories.cc:
4949 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
4950 "TMP" instead of "TMPDIR" and clean environment before each test. Do
4951 not test permissions on mingw targets.
4953 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
4955 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
4956 constructors and open members taking wide strings. Fix patterns for
4957 filesystem::path members to match wstring_view parameters. Add
4958 exports for shared_ptr members used by directory iterators.
4959 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
4960 error code parameter if the file doesn't exist.
4961 * src/filesystem/ops.cc (remove(const path&, error_code&)):
4963 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
4964 values for mingw targets, where "/" is not an absolute path. Do not
4965 test symlinks on mingw targets.
4966 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
4967 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
4969 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
4970 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
4971 that each component of the path is created.
4972 * testsuite/experimental/filesystem/operations/create_directories.cc:
4974 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
4975 permissions on mingw targets.
4976 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
4977 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
4978 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
4979 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
4981 * testsuite/experimental/filesystem/operations/permissions.cc:
4983 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
4984 symlinks or permissions on mingw targets.
4985 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
4986 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
4987 symlinks on mingw targets.
4988 * testsuite/experimental/filesystem/operations/remove_all.cc:
4990 * testsuite/27_io/filesystem/operations/status.cc: Do not test
4991 permissions on mingw targets.
4992 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
4993 test symlinks on mingw targets.
4994 * testsuite/experimental/filesystem/operations/space.cc: Fix test
4997 2019-02-14 Ulrich Drepper <drepper@redhat.com>
5000 Warn about unused comparisons of shared_ptr/unique_ptr
5001 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
5002 * include/bits/shared_ptr.h: Use it for operator ==, !=,
5003 <, <=, >, >= for shared_ptr.
5004 * include/bits/unique_ptr.h: Likewise for unique_ptr.
5006 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
5008 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
5009 as 201611L, because P0497R0 changes are supported.
5010 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
5012 * include/bits/erase_if.h [__cplusplus > 201703L]
5013 (__cpp_lib_erase_if): Only define for C++2a.
5014 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5015 (__cpp_lib_null_iterators): Define.
5016 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5017 (__cpp_lib_null_iterators): Define.
5018 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
5020 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
5022 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
5024 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
5025 changes are supported.
5026 * include/std/optional (__cpp_lib_optional): Likewise.
5027 * include/std/variant (__cpp_lib_variant): Likewise.
5028 * include/std/version [!__STRICT_ANSI__]
5029 (__cpp_lib_uncaught_exceptions): Define as long integer.
5030 [__cplusplus >= 201703L] (__cpp_lib_any)
5031 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
5032 (__cpp_lib_variant): Define for C++17.
5033 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
5035 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
5038 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
5040 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
5044 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
5046 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
5049 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5051 * doc/xml/manual/intro.xml: Include new section.
5052 * doc/xml/manual/status_cxx2017.xml: Document more
5053 implementation-defined properties of the library.
5054 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
5055 * doc/html/*: Regenerate.
5057 * include/bits/refwrap.h [__cplusplus > 201703L]
5058 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
5059 (_Reference_wrapper_base_memfun): Do not define for C++2a.
5060 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
5062 (reference_wrapper::operator()): Add static assertion.
5063 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
5065 * include/std/chrono (duration_values::zero(), duration_values::min())
5066 (duration_values::max()): Add noexcept.
5067 (duration::zero(), duration::min(), duration::max()): Likewise.
5068 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
5069 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
5070 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
5072 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
5074 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5076 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
5077 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
5079 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5082 * include/bits/functional_hash.h (hash<nullptr_t>): Define
5083 specialization for C++17 (P0513R0, LWG 2817).
5084 * testsuite/20_util/hash/nullptr.cc: New test.
5087 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
5088 pattern for std::basic_stringbuf::str().
5090 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
5091 basic_ostream::operator<< patterns.
5093 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5095 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
5096 test failures on targets with 32-bit time_t.
5098 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
5099 * include/std/deque: Likewise.
5100 * include/std/forward_list: Likewise.
5101 * include/std/list: Likewise.
5102 * include/std/string: Likewise.
5103 * include/std/vector: Likewise.
5104 * include/std/version: Likewise.
5105 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
5106 * testsuite/23_containers/deque/erasure.cc: Likewise.
5107 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
5108 * testsuite/23_containers/list/erasure.cc: Likewise.
5109 * testsuite/23_containers/map/erasure.cc: Likewise.
5110 * testsuite/23_containers/set/erasure.cc: Likewise.
5111 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
5112 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
5113 * testsuite/23_containers/vector/erasure.cc: Likewise.
5115 * include/experimental/internet [AI_NUMERICSERV]
5116 (resolver_base::numeric_service): Define conditionally.
5117 * testsuite/experimental/net/internet/resolver/base.cc: Test it
5119 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
5122 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
5123 Jonathan Wakely <jwakely@redhat.com>
5126 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
5127 (GLIBCXX_3.4.26): Add new exports.
5128 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
5129 correct list of sources.
5130 * include/Makefile.in: Regenerate.
5131 * include/std/ostream (operator<<(nullptr_t)): New member function.
5132 * src/c++17/ostream-inst.cc: New file.
5133 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
5136 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5138 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
5139 of the source file containing the caller.
5140 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
5141 directories created by test.
5142 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5144 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5146 * testsuite/experimental/filesystem/iterators/
5147 recursive_directory_iterator.cc: Likewise.
5149 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5151 PR tree-optimization/88775
5152 * include/bits/stl_function.h (greater<_Tp*>::operator(),
5153 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
5154 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
5155 instead of __builtin_constant_p if available. Don't bother with
5156 the pointer comparison in C++11 and earlier.
5158 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5162 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
5165 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
5167 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
5168 for filesystem::path. Give variables more distinctive names.
5170 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
5171 member function to perform non-trivial assignment.
5172 (_Optional_payload_base::_M_move_assign): Likewise.
5173 (_Optional_payload<T, true, false, true>::operator=)
5174 (_Optional_payload<T, true, true, false>::operator=)
5175 (_Optional_payload<T, true, false, false>::operator=): Call
5176 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
5179 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
5180 test std::complex<long double> if long double format is IBM128.
5181 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
5184 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5186 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
5187 for old std::unique_ptr layout.
5188 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
5189 to become valueless. Add filesystem::path tests.
5192 * include/std/optional (_Optional_payload_base): New class template
5193 for common code hoisted from _Optional_payload specializations. Use
5194 a template for the union, to allow a partial specialization for
5195 types with non-trivial destructors. Add constructors for in-place
5196 initialization to the union.
5197 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
5198 to perform non-trivial copy construction, instead of relying on
5199 non-standard copy elision in a delegating constructor.
5200 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
5201 non-trivial move construction.
5202 (_Optional_payload): Derive from _Optional_payload_base and use it
5203 for everything except the non-trivial assignment operators, which are
5205 (_Optional_payload<false, C, M>): Derive from the specialization
5206 _Optional_payload<true, false, false> and add a destructor.
5207 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
5208 Forward to corresponding members of _Optional_payload.
5209 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
5210 Hoist common members from _Optional_base.
5211 (_Optional_base): Make all members and base class public.
5212 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
5213 _Optional_base_impl.
5214 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
5215 support for new std::optional layout.
5216 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
5219 * include/bits/locale_conv.h: Use <> for includes not "".
5220 * include/ext/random: Likewise.
5221 * include/ext/vstring.h: Likewise.
5223 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5225 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
5226 (GLIBCXX_3.4.21): Likewise.
5228 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5231 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
5232 to match the one that controls whether utimbuf and utime are declared.
5234 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
5237 * include/bits/char_traits.h (char_traits::move): Do not pass null
5238 pointers to memmove.
5239 * include/bits/locale_facets.h
5240 (ctype<char>::widen(const char*, const char*, char*)): Do not
5241 pass null pointers to memcpy.
5242 (ctype<char>::narrow(const char*, const char*, char, char*)):
5244 (ctype<char>::do_widen(const char*, const char*, char*)):
5246 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
5249 * doc/xml/manual/spine.xml: Update copyright years.
5250 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
5251 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
5252 for C++17 filesystem library.
5253 * doc/html/*: Regenerate.
5255 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
5256 * config.h.in: Regenerate.
5257 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
5258 alphabetically and add missing entries for copy_symlink,
5259 hard_link_count, rename, and resize_file.
5260 * configure: Regenerate.
5261 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
5262 used unconditionally.
5263 * src/filesystem/ops-common.h (__gnu_posix::truncate)
5264 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
5265 supports truncating to zero length.
5266 * testsuite/27_io/filesystem/operations/all.cc: New test.
5267 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
5269 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
5272 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
5273 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
5274 * config.h.in: Regenerate.
5275 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
5276 remaining std::filesystem types and functions.
5277 * configure: Regenerate.
5278 * src/c++17/Makefile.am: Add C++17 filesystem sources.
5279 * src/c++17/Makefile.in: Regenerate.
5280 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
5281 here, and change name of included file.
5282 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
5283 here, and change name of included file.
5284 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
5285 path to dir-common.h.
5286 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
5287 path to ops-common.h. Disable -Wunused-parameter warnings.
5288 (internal_file_clock): Define unconditionally.
5289 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
5291 (do_copy_file, do_space): Move definitions to ops.common.h.
5292 (copy, file_size, hard_link_count, last_write_time, space): Only
5293 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
5295 (last_write_time, read_symlink): Remove unused attributes from
5297 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
5298 * src/filesystem/Makefile.in: Regenerate.
5299 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
5300 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
5301 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
5302 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
5303 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
5304 dummy types and functions instead of using #error.
5305 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
5306 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
5308 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
5309 (do_copy_file, do_space): Move definitions here from std-ops.cc.
5310 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
5311 to account for new namespace.
5312 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
5313 -lstdc++fs from dg-options.
5314 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
5315 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
5316 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
5317 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
5318 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
5320 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
5321 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5323 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
5324 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
5325 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
5326 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
5327 * testsuite/27_io/filesystem/operations/create_directories.cc:
5329 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
5330 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
5331 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
5332 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
5333 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
5334 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
5335 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5336 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
5337 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
5338 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
5339 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
5340 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
5341 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
5342 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
5343 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
5344 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
5345 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
5346 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
5348 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
5352 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
5353 typeinfo and vtables less greedy.
5354 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
5355 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
5356 * src/c++17/Makefile.in: Regenerate.
5357 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
5358 here, and change name of included file.
5359 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
5360 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
5362 * src/filesystem/Makefile.in: Regenerate.
5363 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
5364 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
5365 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
5366 from dg-options and remove dg-require-filesystem-ts.
5367 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
5368 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
5369 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
5370 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
5371 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
5372 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
5373 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
5374 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
5375 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
5376 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
5377 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
5378 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
5379 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
5380 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
5381 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
5382 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
5383 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
5384 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
5385 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
5386 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
5387 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
5389 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
5390 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
5391 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
5392 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
5393 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
5394 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
5395 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
5396 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
5397 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
5398 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
5399 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
5400 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
5402 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
5404 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5406 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
5408 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
5409 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
5410 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
5411 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
5412 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
5413 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
5414 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
5415 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
5416 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
5417 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
5419 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
5420 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
5421 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
5422 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
5423 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
5426 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
5427 Check is_trivially_copyable instead of is_scalar.
5428 (variant::emplace<N, Args>(Args&&...)): If construction of the new
5429 contained value can throw and its type is trivially copyable then
5430 construct into a temporary variant and move from it, to provide the
5431 strong exception safety guarantee.
5432 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
5434 * testsuite/20_util/variant/87431.cc: New test.
5435 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
5436 conversion causes valueless state.
5439 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
5440 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
5441 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
5442 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
5443 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
5445 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
5447 * include/bits/fs_fwd.h (__file_clock): Define new clock.
5448 (file_time_type): Redefine in terms of __file_clock.
5449 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
5451 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
5453 (internal_file_lock): New helper type for accessing __file_clock.
5454 (do_copy_file): Use internal_file_lock to convert system time to
5456 (last_write_time(const path&, error_code&)): Likewise.
5457 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
5459 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
5461 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
5462 for const member functions of std::basic_string.
5463 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
5465 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
5466 Make non-standard constructor private.
5467 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
5469 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
5470 explicit instantiations for C++17 as well as earlier dialects.
5471 * src/c++17/Makefile.am: Add new source files.
5472 * src/c++17/Makefile.in: Regenerate.
5473 * src/c++17/cow-string-inst.cc: New file defining explicit
5474 instantiations for basic_string member functions added in C++17.
5475 * src/c++17/string-inst.cc: Likewise.
5477 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
5478 copy/move constructors for old std::basic_string.
5479 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
5480 (basic_string::reference, basic_string::const_reference): Define
5481 as plain references for C++11 and later.
5482 (basic_string::basic_string()): Put constructor body outside
5483 preprocessor conditional groups.
5484 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
5485 instead of copying it.
5486 (basic_string::basic_string(const basic_string&, const _Alloc&)):
5488 (basic_string::basic_string(basic_string&&, const _Alloc&)):
5490 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
5491 cases for old basic_string.
5492 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
5493 allocator-extended constructors unconditionally. Add extra members to
5494 allocator type when using old string ABI.
5495 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
5497 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
5499 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
5500 -fno-inline added to test flags.
5502 * testsuite/21_strings/basic_string/requirements/
5503 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
5505 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
5506 assertion failures with old std::string ABI.
5508 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
5510 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
5511 functions that will only erase elements at the end.
5512 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
5513 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
5514 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
5516 (path::_List::pop_back()): Define.
5517 (path::_List::_M_erase_from(const_iterator)): Define.
5518 (path::operator/=(const path&)): Use pop_back to remove last component
5519 and _M_erase_from to remove multiple components.
5520 (path::_M_append(basic_string_view<value_type>)): Likewise.
5521 (path::operator+=(const path&)): Likewise.
5522 (path::_M_concat(basic_string_view<value_type>)): Likewise.
5523 (path::remove_filename()): Likewise.
5524 (path::lexically_normal()): Use _List::_Impl iterators instead of
5525 path::iterator. Use pop_back to remove components from the end. Clear
5526 trailing filename, instead of using erase(const_iterator) to remove
5527 a non-final component.
5528 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
5530 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
5532 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
5533 incorrect treatment of empty filename after trailing slash.
5534 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
5536 * testsuite/21_strings/basic_string/modifiers/assign/char/
5537 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
5539 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
5540 move_assign_optim.cc: Likewise.
5542 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5543 Jakub Jelinek <jakub@redhat.com>
5546 * include/experimental/memory: Replace UTF-8 quote characters.
5547 * include/std/future: Replace UTF-8 "em dash" characters.
5549 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5552 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
5553 * include/debug/forward_list: Likewise.
5554 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
5556 * include/experimental/chrono: Likewise.
5557 * include/experimental/functional: Likewise.
5558 * include/experimental/ratio: Likewise.
5559 * include/experimental/system_error: Likewise.
5560 * include/experimental/tuple: Likewise.
5561 * include/experimental/type_traits: Likewise.
5562 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
5563 * include/parallel/multiseq_selection.h: Likewise.
5566 * config/abi/pre/gnu.ver: Add missing exports.
5567 * testsuite/22_locale/collate_byname/88681.cc: New test.
5568 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
5569 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
5571 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
5573 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
5574 initializer_list<value_type> and from input iterator ranges.
5575 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
5577 * testsuite/experimental/string_view/element_access/char/empty.cc:
5578 Fix year range in copyright header.
5580 2019-01-02 Joel Brobecker <brobecker@adacore.com>
5582 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
5583 Fix year range in copyright header.
5585 2019-01-01 Jakub Jelinek <jakub@redhat.com>
5587 Update copyright years.
5589 Copyright (C) 2019 Free Software Foundation, Inc.
5591 Copying and distribution of this file, with or without modification,
5592 are permitted in any medium without royalty provided the copyright
5593 notice and this notice are preserved.