1 2019-10-02 Jonathan Wakely <jwakely@redhat.com>
3 * config/abi/pre/gnu.ver: Tighten up greedy wildcards.
5 * doc/xml/manual/parallel_mode.xml: Add caveat about support for
7 * doc/html/*: Regenerate.
9 2019-10-01 Jonathan Wakely <jwakely@redhat.com>
11 * include/experimental/algorithm (experimental::sample): Qualify call
12 to __sample correctly.
13 * include/parallel/algo.h (sample, for_each_n): Add using-declarations
14 for algorithms that don't have parallel implementations.
16 * include/parallel/algobase.h (equal, lexicographical_compare): Add
17 _GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
19 * include/parallel/algorithmfwd.h (equal, lexicographical_compare):
20 Add _GLIBCXX20_CONSTEXPR.
22 * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
24 * testsuite/20_util/hash/84998.cc: Likewise.
25 * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
26 * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
27 * testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
28 * testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
29 * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
30 * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
31 * testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
32 * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
34 * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
36 * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
38 * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
40 * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
42 * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
43 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
44 * testsuite/25_algorithms/copy/86658.cc: Likewise.
45 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
46 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
47 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
48 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
50 * include/parallel/algo.h: Replace non-reserved names.
51 * include/parallel/multiway_merge.h: Likewise.
52 * include/parallel/multiway_mergesort.h: Likewise.
53 * include/parallel/numericfwd.h: Likewise.
54 * testsuite/17_intro/names.cc: Add RAI to test macros.
56 2019-09-30 François Dumont <fdumont@gcc.gnu.org>
58 * include/debug/array: Add C++20 constexpr to comparison operators.
59 * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
60 dg-error line numbers.
61 * testsuite/23_containers/array/tuple_interface/
62 tuple_element_debug_neg.cc: Likewise.
64 2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
66 * include/experimental/internet: Include netinet/in.h if we have
67 _GLIBCXX_HAVE_NETINET_IN_H defined.
69 * testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
70 FreeBSD warning about lower advertised precision of tgammal.
71 * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
72 * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
73 * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
74 * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
75 * testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
76 * testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
77 * testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
78 * testsuite/tr1/5_numerical_facilities/special_functions/
79 08_cyl_bessel_i/check_nan.cc: Likewise.
80 * testsuite/tr1/5_numerical_facilities/special_functions/
81 09_cyl_bessel_j/check_nan.cc: Likewise.
82 * testuite/tr1/5_numerical_facilities/special_functions/
83 10_cyl_bessel_k/check_nan.cc: Likewise.
84 * testsuite/tr1/5_numerical_facilities/special_functions/
85 11_cyl_neumann/check_nan.cc: Likewise.
86 * testsuite/tr1/5_numerical_facilities/special_functions/
87 21_sph_bessel/check_nan.cc: Likewise.
88 * testsuite/tr1/5_numerical_facilities/special_functions/
89 23_sph_neumann/check_nan.cc: Likewise.
91 2019-09-30 Jonathan Wakely <jwakely@redhat.com>
93 * include/std/span (span(element_type(&)[N]))
94 (span(array<value_type, N>&), span(const array<value_type, N>&)):
95 Deduce array element type to allow safe const conversions (LWG 3255).
96 [!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
97 remove_cv_t on arguments to __is_std_span and __is_std_array.
98 * testsuite/23_containers/span/lwg3255.cc: New test.
101 * include/parallel/checkers.h (__is_sorted): Remove unused variable.
103 2019-09-28 François Dumont <fdumont@gcc.gnu.org>
105 * include/bits/stl_algo.h (merge): Fix documentation.
106 * include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
107 (__check_sorted): Likewise and remove nested irreflexive check.
108 (__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
109 (__check_partitioned_lower, __check_partitioned_upper): Likewise.
110 (_Irreflexive_checker::_S_is_valid): Likewise.
111 (__is_irreflexive, __is_irreflexive_pred): Likewise.
112 * include/debug/helper_functions.h (__get_distance): Add constexpr.
113 (__valid_range_aux): Add C++20 constexpr.
114 (__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
115 Likewise and add std::is_constant_evaluated check.
116 (__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
117 (__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
118 (__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
120 (__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
121 __builtin_is_contant_evaludated check..
122 (__can_advance, __base): Add constexpr.
123 * include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
124 (_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
125 (__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
126 (__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
127 * testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
129 * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
130 * testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
131 lambda to be irreflexive.
133 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
135 * configure: Regenerate.
137 2019-09-27 Jonathan Wakely <jwakely@redhat.com>
140 * src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
141 atomically and lock the mutex before accessing the sequence.
142 (_Safe_local_iterator_base::_M_detach()): Likewise.
143 (_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
145 2019-09-26 Jonathan Wakely <jwakely@redhat.com>
147 * include/debug/array (to_array): Define for debug mode.
149 * include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
150 piecewise construction constructor, assignment operators, and swap.
151 * include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
152 Add _GLIBCXX20_CONSTEXPR.
153 (pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
154 * testsuite/20_util/pair/constexpr_assign.cc: New test.
155 * testsuite/20_util/pair/constexpr_swap.cc: New test.
157 * include/experimental/internet (operator==, operator<): Fix loop
158 condition to avoid reading past the end of the array.
160 * include/std/array: Remove references to profile mode.
161 * include/std/bitset: Likewise.
162 * include/std/deque: Likewise.
163 * include/std/forward_list: Likewise.
164 * include/std/list: Likewise.
165 * include/std/map: Likewise.
166 * include/std/set: Likewise.
167 * include/std/unordered_map: Likewise.
168 * include/std/unordered_set: Likewise.
169 * include/std/vector: Likewise.
170 * testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
171 * testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
173 2019-09-25 Jonathan Wakely <jwakely@redhat.com>
175 * include/bits/regex.h
176 (basic_regex::assign(const C*, size_t, flag_type)): Add default
178 * testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
179 * testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
181 2019-09-24 Jonathan Wakely <jwakely@redhat.com>
183 * include/std/variant (variant::index()): Remove impossible case.
186 * testsuite/util/testsuite_hooks.h
187 (conversion::iterator_to_const_iterator()): Do not return an invalid
188 iterator. Test direct-initialization and direct-list-initialization
189 as well as implicit conversion.
191 2019-09-23 Jonathan Wakely <jwakely@redhat.com>
193 PR libstdc++/91788 (partial)
194 * include/std/variant (variant::index()): Improve codegen for cases
195 where conversion to size_t already works correctly.
197 2019-09-23 Andreas Schwab <schwab@suse.de>
199 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
201 2019-09-12 Jonathan Wakely <jwakely@redhat.com>
204 * include/bits/stl_algo.h (for_each_n): Fix random access iterator
206 * testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
209 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
211 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
214 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
215 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
216 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
219 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
221 * include/std/type_traits (__do_common_type_impl): Implement
222 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
223 (basic_common_reference, common_reference, common_reference_t): Define
225 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
227 * testsuite/20_util/common_reference/requirements/
228 explicit_instantiation.cc: New test.
229 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
232 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
233 non-template overloads for each signed and unsigned integer type and
234 char. Define deleted overload for bool (LWG 3266).
235 * testsuite/20_util/to_chars/1_neg.cc: Remove.
236 * testsuite/20_util/to_chars/3.cc: New test.
237 * testsuite/20_util/to_chars/lwg3266.cc: New test.
239 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
241 * acinclude.m4: Handle uclinux*.
242 * configure: Regenerate.
243 * configure.host: Handle uclinux*
245 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
246 Mickaël Guêné <mickael.guene@st.com>
248 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
251 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
254 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
255 0ul being a valid null pointer constant.
257 * include/std/type_traits (__remove_cv_t): New alias template.
258 (is_void, is_integral, is_floating_point, is_pointer)
259 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
260 (is_member_point), __is_signed_integer, __is_unsigned_integer)
261 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
262 (__decay_selector): Use __remove_cv_t.
263 (remove_cv): Add partial specializations for cv-qualified types.
264 (__decay_t): New alias template.
265 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
267 (__enable_if_t): Move earlier in the file.
268 (_Require): Use __enable_if_t.
269 (swap(T&, T&)): Use _Require.
270 (swap(T(&)[N])): Use __enable_if_t.
272 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
274 Implement C++20 p1424 - 'constexpr' feature macro concerns,
275 Issue 3256 - Feature testing macro for constexpr algorithms,
276 and Issue 3257 - Missing feature testing macro update from P0858.
277 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
278 * include/bits/algorithmfwd.h: Ditto.
279 * include/std/utility: Ditto.
280 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
281 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
282 __cpp_lib_constexpr macro in <algorith>.
283 * testsuite/20_util/exchange/constexpr.cc: Add check for
284 __cpp_lib_constexpr macro in <utility>.
285 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
286 __cpp_lib_constexpr_algorithms.
287 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
288 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
289 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
290 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
291 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
292 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
293 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
294 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
295 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
296 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
297 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
298 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
299 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
300 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
301 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
302 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
303 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
304 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
305 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
306 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
307 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
308 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
309 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
310 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
311 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
312 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
313 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
314 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
315 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
316 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
317 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
318 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
319 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
320 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
321 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
322 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
323 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
324 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
325 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
326 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
327 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
328 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
329 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
330 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
331 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
332 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
333 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
334 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
335 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
336 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
337 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
338 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
339 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
341 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
343 Update docs for recent <span> and constexpr lib changes.
344 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
345 p1023r0, p1085r2 status.
346 * doc/html/manual/status.html: Regenerate.
348 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
350 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
351 final offsets with constants.
353 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
355 * include/bits/range_access.h (__adl_to_address): Remove.
356 * include/std/span (__is_base_derived_safe_convertible_v): Replace
357 with span::__is_compatible.
358 (__is_std_array_v): Replace with __is_std_array class template and
359 partial specializations.
360 (__is_std_array, __is_std_span): New class templates and partial
362 (span::__is_compatible): New alias template for SFINAE constraints.
363 (span::span(element_type (&)[N])): Remove redundant constraints. Do
364 not use __adl_data to obtain a pointer.
365 (span::span(array<value_type, N>&)): Likewise.
366 (span::span(const array<value_type, N>&)): Likewise.
367 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
368 (span::iter_value_t, span::derived_from): New alias templates for
369 SFINAE constraints, until the equivalents are supported in <concepts>
371 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
372 for SFINAE constraints.
373 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
375 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
376 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
377 Use std::to_address instead of __adl_to_address.
378 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
379 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
380 template for SFINAE constraints.
381 [!_GLIBCXX_P1394] (span::span(Container&))
382 (span::span(const Container&)): Improve constraints.
383 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
384 (span::span(pointer, pointer)): Remove redundant cast of pointer.
385 (span(const span<OType, OExtent>&)): New constructor.
387 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
389 * include/bits/range_access.h (ssize): Define for C++20.
390 * testsuite/24_iterators/range_access_cpp20.cc: New test.
391 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
392 * doc/html/*: Regenerate.
394 2019-09-06 Florian Weimer <fweimer@redhat.com>
396 * configure: Regenerate.
398 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
400 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
401 P1024R3. Remove entry for P0920R2.
402 * include/std/span (__cpp_lib_span): Change value.
403 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
405 (span): Replace __extent_storage base class with data member.
406 (span::_S_subspan_extent): New function.
407 (span::empty()): Add nodiscard attribute.
408 (span::front, span::back, span::operator[]): Check preconditions.
409 (span::first, span::last, span::subspan): Add noexcept. Improve
410 precondition checks (LWG 3103).
411 (get): Remove redundant condition from static_assert.
412 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
413 (as_writable_bytes): Add inline specifier.
414 * include/std/version (__cpp_lib_span): Change value.
415 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
416 * testsuite/23_containers/span/front_neg.cc: Likewise.
417 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
418 * testsuite/23_containers/span/last_neg.cc: Improve test.
419 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
420 * testsuite/23_containers/span/1.cc: New test.
421 * testsuite/23_containers/span/2.cc: New test.
422 * testsuite/23_containers/span/back_assert_neg.cc: New test.
423 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
424 * testsuite/23_containers/span/first_assert_neg.cc: New test.
425 * testsuite/23_containers/span/first_neg.cc: New test.
426 * testsuite/23_containers/span/front_assert_neg.cc: New test.
427 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
428 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
429 * testsuite/23_containers/span/last_assert_neg.cc: New test.
430 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
431 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
432 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
433 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
434 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
435 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
437 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
439 * include/Makefile.am: Add <span> header.
440 * include/Makefile.in: Regenerate.
441 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
442 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
443 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
444 New functions for performing argument-dependent lookup of range
445 customization points.
446 * include/bits/stl_iterator.h (__normal_iterator): Add
447 _GLIBCXX20_CONSTEXPR to all functions.
448 * include/std/span: New header.
449 * include/std/version (__cpp_lib_span): Define feature test macro.
450 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
451 * testsuite/23_containers/span/everything.cc: New test.
452 * testsuite/23_containers/span/get_neg.cc: New test.
453 * testsuite/23_containers/span/last_neg.cc: New test.
454 * testsuite/23_containers/span/subspan_neg.cc: New test.
455 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
456 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
457 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
459 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
461 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
462 * doc/html/*: Regenerate.
464 2019-09-04 Mike Crowe <mac@mcrowe.com>
467 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
468 pthread_cond_clockwait function.
469 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
470 * configure: Regenerate.
471 * config.h.in: Regenerate.
472 * include/std/condition_variable: (condition_variable): Rename
473 __steady_clock_t typedef and add system_clock. Change __clock_t to be
474 a typedef for the preferred clock to convert arbitrary other clocks to.
475 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
477 (wait_until): Change __clock_t overload to use system_clock.
478 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
479 steady_clock overload that calls pthread_cond_clockwait.
480 (__wait_until_impl): Change __clock_t overload to use system_clock.
481 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
482 steady_clock for __clock_t if pthread_cond_clockwait is available.
484 2019-09-04 Mike Crowe <mac@mcrowe.com>
486 * testsuite/30_threads/condition_variable/members/2.cc (test01):
487 Parameterise so that test can be run against an arbitrary clock.
488 (main): Test using std::chrono::steady_clock and a user-defined
489 clock in addition to the previous std::chrono::system_clock.
490 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
492 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
494 * crossconfig.m4: Remove references to spu.
495 * configure: Regenerate.
496 * doc/xml/manual/appendix_contributing.xml: Remove references
497 to __ea as "badword" for spu.
498 * doc/html/manual/source_code_style.html: Regenerate.
499 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
500 to avoid __ea (as "badword" for spu).
501 (__ellint_rj): Likewise.
503 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
506 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
507 scanning to conform to the GNU Coding Standards.
508 * configure: Regenerate.
510 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
512 * src/c++17/memory_resource.cc: Use __constinit keyword.
514 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
516 * doc/xml/manual/abi.xml: Document 9.x library versions.
517 * doc/html/*: Regenerate.
519 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
521 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
522 (__detail::__to_chars_8_len): Remove.
523 (__detail::__to_chars_8): Inline length calculation here.
524 (__detail::__from_chars_binary): Use numeric_limits instead of
527 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
529 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
530 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
531 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
532 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
535 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
537 * testsuite_files/util/testsuite_performance.h
538 (resource_counter::start): Ignore unused malloc(0) result.
540 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
542 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
543 Model Object Technologies): Adjust name and link.
545 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
547 * include/std/charconv (__detail::__to_chars_8)
548 __detail::__to_chars_16): Replace array of precomputed digits with
549 arithmetic operations to avoid CPU cache misses. Remove zero
550 termination from array of digits to allow symbol merge with generic
551 implementation of __detail::__to_chars. Replace final offsets with
552 constants. Use __detail::__to_chars_len_2 instead of a generic
553 __detail::__to_chars_len.
554 (__detail::__to_chars): Remove zero termination from array of digits.
555 (__detail::__to_chars_2): Leading digit is always '1'.
557 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
559 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
561 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
563 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
565 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
568 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
569 to template parameters.
570 * include/bits/stl_uninitialized.h (uninitialized_copy)
571 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
572 diagnose invalid uses.
573 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
574 Adjust expected error.
575 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
577 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
579 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
581 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
583 * testsuite/23_containers/vector/cons/89164.cc: New test.
584 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
586 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
589 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
590 * configure: Regenerate.
591 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
593 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
595 * testsuite/util/testsuite_abi.cc: Add new symbol version.
597 2019-08-29 Jakub Jelinek <jakub@redhat.com>
599 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
600 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
602 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
604 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
605 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
606 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
607 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
608 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
609 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
610 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
612 2019-08-23 Joseph Myers <joseph@codesourcery.com>
614 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
615 (std::filesystem::__gnu_posix::lstat): Add return type.
617 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
619 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
621 * include/std/numeric (reduce): Fix Doxygen markup.
624 * include/std/type_traits (is_function): Simplify definition. Remove
625 partial specializations for function types.
626 (__is_referenceable): Simplify definition.
627 * testsuite/20_util/bind/91371.cc: New test.
628 * testsuite/20_util/is_function/91371.cc: New test.
629 * testsuite/20_util/is_function/value.cc: Check more pointer types.
630 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
631 * testsuite/20_util/is_object/91371.cc: New test.
633 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
635 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
637 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
640 * include/bits/std_function.h (__check_func_return_type): Remove.
641 (function::_Callable): Use std::__is_invocable_impl instead of
642 __check_func_return_type.
643 * include/std/type_traits (__is_invocable_impl): Add another defaulted
644 template parameter. Define a separate partial specialization for
645 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
646 with a check that models delayed temporary materialization.
647 * testsuite/20_util/function/91456.cc: New test.
648 * testsuite/20_util/is_invocable/91456.cc: New test.
650 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
652 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
654 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
656 Implement C++20 p0879 - Constexpr for swap and swap related functions.
657 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
658 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
660 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
661 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
662 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
663 * include/bits/move.h (swap): Add constexpr.
664 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
665 (__gcd, __rotate, rotate, __partition, __heap_select)
666 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
667 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
668 (__introselect, __chunk_insertion_sort, next_permutation)
669 (prev_permutation, partition, partial_sort, nth_element, sort)
670 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
671 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
672 (swap_ranges): Add constexpr.
673 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
674 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
676 * include/std/type_traits (swap): Add constexpr.
677 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
678 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
679 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
680 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
681 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
682 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
683 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
684 * testsuite/25_algorithms/partition/constexpr.cc: New test.
685 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
686 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
687 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
688 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
689 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
690 * testsuite/25_algorithms/sort/constexpr.cc: New test.
691 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
692 * testsuite/25_algorithms/swap/constexpr.cc: New test.
693 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
695 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
698 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
700 * include/std/tuple (__unpack_std_tuple): New variable template and
701 partial specializations.
702 (apply, make_from_tuple): Add noexcept-specifier.
703 * testsuite/20_util/tuple/apply/2.cc: New test.
704 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
706 2019-08-09 Corentin Gay <gay@adacore.com>
708 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
709 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
710 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
711 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
712 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
713 Add call to `VERIFY`.
715 2019-08-09 Alexandre Oliva <oliva@adacore.com>
718 (normal_mv_distribution::param_type::param_type): New private
719 ctor taking a decomposed varcov matrix, for use by...
720 (operator>>): ... this, befriended.
721 * include/ext/random.tcc (operator>>): Use it.
722 (normal_mv_distribution::param_type::_M_init_lower): Adjust
723 member function name in exception message.
725 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
727 P0325R4 to_array from LFTS with updates
728 * include/experimental/array (to_array): Qualify call to __to_array.
729 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
730 * include/std/version (__cpp_lib_to_array): Likewise.
731 * testsuite/23_containers/array/creation/1.cc: New test.
732 * testsuite/23_containers/array/creation/2.cc: New test.
733 * testsuite/23_containers/array/creation/3_neg.cc: New test.
734 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
735 Use zero for dg-error line number.
737 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
739 P1651R0 bind_front should not unwrap reference_wrapper
740 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
741 * include/std/version (__cpp_lib_bind_front): Update value.
742 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
744 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
746 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
747 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
748 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
749 specializations for __float128.
750 * testsuite/26_numerics/numbers/float128.cc: New test.
752 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
754 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
757 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
759 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
760 in <algorithm> and <utility> Headers.
761 Implement C++20 p1023 - constexpr comparison operators for std::array.
762 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
763 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
764 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
765 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
766 none_of, partition_copy, partition_point, remove, remove_if,
767 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
768 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
769 count_if, equal, find, find_first_of, find_if, for_each, generate,
770 generate_n, lexicographical_compare, merge, mismatch, replace,
771 replace_if, search, search_n, set_difference, set_intersection,
772 set_symmetric_difference, set_union, transform, unique_copy):
774 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
775 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
776 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
777 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
778 Use const ref instead of ref arg;
779 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
780 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
781 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
782 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
783 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
784 __iter_comp_iter): Mark constexpr.
785 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
786 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
787 none_of, any_of, find_if_not, is_partitioned, partition_point,
788 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
789 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
790 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
791 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
792 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
793 __equal_range, equal_range, binary_search, __includes, includes,
794 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
795 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
796 is_sorted_until, __is_permutation, is_permutation, for_each, find,
797 find_if, find_first_of, adjacent_find, count, count_if, search,
798 search_n, transform, replace, replace_if, generate, generate_n,
799 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
800 set_intersection, __set_difference, set_difference,
801 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
802 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
803 wrappers around __builtin_memmove and __builtin_memcmp
805 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
806 copy, move, __copy_move_b, __copy_move_backward_a,
807 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
808 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
809 __lexicographical_compare_impl, __lexicographical_compare,
810 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
811 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
812 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
813 is_heap): Mark constexpr.
814 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
815 is_heap): Mark constexpr.
816 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
817 * include/std/array: Make comparison ops constexpr.
818 * include/std/utility: Make exchange constexpr.
819 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
820 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
821 * testsuite/23_containers/array/tuple_interface/
822 tuple_element_neg.cc: Adjust.
823 * testsuite/20_util/exchange/constexpr.cc: New.
824 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
825 * testsuite/25_algorithms/constexpr_macro.cc: New.
826 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
827 * testsuite/25_algorithms/all_of/constexpr.cc: New.
828 * testsuite/25_algorithms/any_of/constexpr.cc: New.
829 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
830 * testsuite/25_algorithms/copy/constexpr.cc: New.
831 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
832 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
833 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
834 * testsuite/25_algorithms/count/constexpr.cc: New.
835 * testsuite/25_algorithms/count_if/constexpr.cc: New.
836 * testsuite/25_algorithms/equal/constexpr.cc: New.
837 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
838 * testsuite/25_algorithms/fill/constexpr.cc: New.
839 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
840 * testsuite/25_algorithms/find/constexpr.cc: New.
841 * testsuite/25_algorithms/find_end/constexpr.cc: New.
842 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
843 * testsuite/25_algorithms/find_if/constexpr.cc: New.
844 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
845 * testsuite/25_algorithms/for_each/constexpr.cc: New.
846 * testsuite/25_algorithms/generate/constexpr.cc: New.
847 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
848 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
849 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
850 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
851 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
852 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
853 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
854 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
855 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
856 * testsuite/25_algorithms/merge/constexpr.cc: New.
857 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
858 * testsuite/25_algorithms/none_of/constexpr.cc: New.
859 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
860 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
861 * testsuite/25_algorithms/remove/constexpr.cc: New.
862 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
863 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
864 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
865 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
866 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
867 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
868 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
869 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
870 * testsuite/25_algorithms/search/constexpr.cc: New.
871 * testsuite/25_algorithms/search_n/constexpr.cc: New.
872 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
873 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
874 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
875 * testsuite/25_algorithms/set_union/constexpr.cc: New.
876 * testsuite/25_algorithms/transform/constexpr.cc: New.
877 * testsuite/25_algorithms/unique/constexpr.cc: New.
878 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
879 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
881 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
883 * include/std/memory (make_obj_using_allocator): Qualify call to
884 uses_allocator_construction_args.
886 P0631R4 Math Constants
887 * include/Makefile.am: Add new header.
888 * include/Makefile.in: Regenerate.
889 * include/precompiled/stdc++.h: Include new header.
890 * include/std/numbers: New header.
891 * include/std/version (__cpp_lib_math_constants): Define.
892 * testsuite/26_numerics/numbers/1.cc: New test.
893 * testsuite/26_numerics/numbers/2.cc: New test.
894 * testsuite/26_numerics/numbers/3.cc: New test.
895 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
897 * include/std/bit: Add Doxygen comments.
900 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
901 constraints on deleter that should only apply to the constructor.
902 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
903 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
904 constraints on deleter here.
905 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
907 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
910 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
912 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
914 * testsuite/18_support/51333.cc: New test.
916 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
918 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
919 to the Doxygen manual. Avoid a "here" link on the way.
920 Fix another broken link to Doxygen docblocks.
922 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
924 * include/std/bit (__cpp_lib_endian): Define.
925 * include/std/version (__cpp_lib_endian): Define.
926 * testsuite/26_numerics/endian/2.cc: New.
927 * testsuite/26_numerics/endian/3.cc: New.
928 * testsuite/26_numerics/endian/4.cc: New.
930 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
932 * testsuite/util/testsuite_iterators.h
933 (bidirectional_iterator_wrapper): Fix type comment.
934 (random_access_iterator_wrapper): Likewise.
936 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
938 * include/std/bit (endian): Move definition here as per P1612R1.
939 * include/std/type_traits (endian): Remove definition from here.
940 * testsuite/20_util/endian/1.cc: Rename to ...
941 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
943 2019-07-25 Martin Liska <mliska@suse.cz>
944 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
947 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
949 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
950 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
951 * testsuite/ext/new_allocator/check_new.cc: Likewise.
953 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
955 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
956 * testsuite/26_numerics/bit/bit.count/*: Here.
958 * include/std/bit (__rotl, __rotr): Change second parameter from
959 unsigned int to int and handle negative values.
960 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
961 parameter from unsigned int to int. Add nodiscard attribute.
962 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
963 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
965 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
966 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
969 * include/std/bit (__ceil2): Make unrepresentable results undefined,
970 as per P1355R2. Add debug assertion. Perform one left shift, not two,
971 so that out of range values cause undefined behaviour. Ensure that
972 shift will still be undefined if left operand is promoted.
973 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
974 unrepresentable values with checks that they are not core constant
976 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
978 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
980 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
981 sized deallocation size computation.
983 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
985 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
987 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
989 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
990 (~_Temporary_buffer()): Use latter.
991 (_Temporary_buffer(_FIterator, size_type)): Likewise.
993 2019-07-17 Andreas Schwab <schwab@suse.de>
995 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
997 2019-07-16 Jason Merrill <jason@redhat.com>
999 * include/std/memory (uses_allocator_construction_args): Add parens
1002 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
1004 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
1006 * include/experimental/string_view (__detail::__idt): Remove.
1007 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1008 Use __type_identity_t instead of __detail::__idt;
1009 * include/std/string_view (__detail::__idt): Remove.
1010 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1011 Use __type_identity_t instead of __detail::__idt;
1012 * include/std/type_traits (__type_identity_t): New alias template.
1014 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
1015 and floating point atomics.
1017 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
1019 * doc/xml/manual/configure.xml: Improve documentation of
1020 --enable-libstdcxx-time option.
1022 * include/bits/atomic_base.h (__atomic_impl): New namespace for
1023 wrappers around atomic built-ins.
1024 (__atomic_float, __atomic_ref): New class templates for use as base
1026 * include/std/atomic (atomic<float>, atomic<double>)
1027 (atomic<long double>): New explicit specializations.
1028 (atomic_ref): New class template.
1029 (__cpp_lib_atomic_ref): Define.
1030 * include/std/version (__cpp_lib_atomic_ref): Define.
1031 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
1032 * testsuite/29_atomics/atomic_float/1.cc: New test.
1033 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
1034 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
1035 * testsuite/29_atomics/atomic_ref/float.cc: New test.
1036 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
1037 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
1038 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
1039 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
1041 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
1043 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
1044 throw() with _GLIBCXX_NOTHROW.
1045 (__atomic_add_dispatch): Return after performing atomic increment.
1047 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
1049 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
1050 (__exchange_and_add): Replace static specifier with always_inline
1052 (__exchange_and_add_single, __atomic_add_single): Likewise.
1053 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
1054 combine !__gthread_active_p() and !__GTHREADS branches.
1056 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
1059 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
1060 * configure: Regenerate.
1061 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
1063 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
1064 * testsuite/util/testsuite_abi.cc: Add new symbol version.
1066 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
1068 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
1069 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
1070 instead of __is_identifier to detect Clang support.
1072 2019-07-02 Jim Wilson <jimw@sifive.com>
1074 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
1076 * configure: Regenerate.
1078 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
1081 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
1082 for the what_arg parameters.
1083 (filesystem_error::filesystem_error): Pass system_error::what() to
1084 the _Impl constructor.
1085 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
1086 filesystem_error::what() contains system_error::what().
1088 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
1090 * include/std/charconv (chars_format): Define bitmask type.
1091 * testsuite/20_util/to_chars/chars_format.cc: New test.
1093 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
1094 * include/std/bit (_If_is_unsigned_integer_type): Remove.
1095 (_If_is_unsigned_integer): Use __is_unsigned_integer.
1096 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
1097 (countl_one(byte), countr_zero(byte), countr_one(byte))
1098 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
1099 (log2p1(byte)): Remove.
1100 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
1101 (__detail::__is_int_to_chars_type): Remove.
1102 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
1103 and __is_unsigned_integer.
1104 * include/std/type_traits (__is_one_of): Move here from <charconv>.
1105 (__is_signed_integer, __is_unsigned_integer): New helpers.
1106 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
1108 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
1109 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
1110 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
1111 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
1112 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
1113 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
1114 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
1115 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
1116 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
1117 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
1119 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
1121 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
1124 2019-06-25 Jakub Jelinek <jakub@redhat.com>
1126 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
1127 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
1128 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
1129 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
1131 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
1133 * include/std/numeric (midpoint(T, T)): Change implementation for
1134 floating-point types to avoid incorrect rounding of denormals.
1135 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
1136 rounding with denormals.
1137 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
1138 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1140 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
1142 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
1144 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
1146 * configure: Regenerate.
1148 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
1149 Qualify calls to __never_valueless.
1151 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
1152 C++17 working draft.
1154 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
1155 vector<bool> for test.
1156 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1158 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1160 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
1162 (istream_iterator::_M_read()): Do not check stream state before
1163 attempting extraction. Set stream pointer to null when extraction
1165 (operator==(const istream_iterator&, const istream_iterator&)): Change
1166 to be a hidden friend of istream_iterator.
1167 (operator!=(const istream_iterator&, const istream_iterator&)):
1169 (ostream_iterator::ostream_iterator()): Add default constructor.
1170 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
1172 * testsuite/24_iterators/istream_iterator/1.cc: New test.
1173 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
1174 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
1175 constructor taking a string.
1176 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
1179 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
1180 Jonathan Wakely <jwakely@redhat.com>
1183 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
1184 values of type bool for vector<bool> elements.
1185 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
1186 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1188 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
1190 PR libstdc++/90920 partially revert r263433
1191 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
1192 (rotate): Remove checks.
1193 * testsuite/25_algorithms/rotate/90920.cc: New test.
1195 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
1196 category used in invocable check.
1197 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
1198 * testsuite/26_numerics/reduce/2.cc: New test.
1200 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
1202 * include/bits/algorithmfwd.h: Change title of doc group.
1203 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
1205 * include/bits/stl_numeric.h: Define doc group and add algos to it.
1206 * include/std/numeric (__is_random_access_iter): New internal trait.
1207 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
1208 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
1209 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
1210 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
1211 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
1212 * testsuite/26_numerics/reduce/1.cc: New test.
1213 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
1214 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
1215 * testsuite/26_numerics/transform_reduce/1.cc: New test.
1216 * testsuite/util/testsuite_iterators.h (test_container::size()): New
1219 * include/c_global/cstddef (std::byte): Perform arithmetic operations
1220 in unsigned int to avoid promotion (LWG 2950).
1222 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1224 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
1227 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
1229 PR libstdc++/90281 Fix string conversions for filesystem::path
1230 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1231 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
1232 __str_codecvt_in_all to fail for partial conversions and throw on
1234 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
1235 (path::_Cvt<char8_t>): Add explicit specialization.
1236 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
1238 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1239 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
1240 instead of codecvt_utf8. Use __str_codecvt_in_all and
1241 __str_codecvt_out_all.
1242 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1243 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1244 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1245 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1246 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
1247 after converting to UTF-8.
1248 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
1249 __str_codecvt_in_all.
1250 (path::string): Fix initialization of string types with different
1252 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1253 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1254 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
1256 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
1257 return false for partial conversions.
1258 * include/experimental/bits/fs_path.h (u8path):
1259 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
1260 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
1261 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
1262 instead of codecvt_utf8. Use __str_codecvt_in_all and
1263 __str_codecvt_out_all.
1264 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1265 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1266 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1267 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1268 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
1269 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1270 __str_codecvt_in_all.
1271 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1272 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1273 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
1274 __str_codecvt_in_all.
1275 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
1276 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
1277 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
1278 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
1279 strings and with Unicode characters outside the basic multilingual
1281 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
1282 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
1283 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
1284 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
1285 * testsuite/experimental/filesystem/path/native/string.cc: Test with
1286 empty strings and with Unicode characters outside the basic
1289 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
1290 Jonathan Wakely <jwakely@redhat.com>
1292 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
1293 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
1294 deallocate node if insertion fails.
1295 (_Hashtable::_M_insert_multi_node): Likewise.
1296 (_Hashtable::_M_reinsert_node): Pass additional key argument.
1297 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
1298 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
1299 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
1300 (_Hashtable::extract(const _Key&)): Likewise.
1301 (_Hashtable::_M_merge_unique): Pass additional key argument.
1302 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
1304 (_Hashtable::_M_insert): Likewise.
1305 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
1306 (_Hashtable_alloc): Add comments to functions with misleading names.
1308 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1310 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
1312 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
1313 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
1314 header for std::allocator.
1315 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
1316 using-declaration for std::size_t.
1317 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
1319 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
1321 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
1322 * testsuite/experimental/map/erasure.cc: Include <string> for
1324 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
1326 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
1328 * include/experimental/type_traits (experimental::nonesuch): Use
1329 pragma to disable -Wctor-dtor-privacy warnings.
1330 * include/std/type_traits (__is_convertible_helper<From, To, false>)
1331 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
1333 * include/std/version (__cpp_lib_bind_front): Add missing macro.
1335 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
1337 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
1338 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
1339 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
1340 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
1342 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
1343 (variant::emplace): Change static_assert messages from "should be"
1345 (hash<monostate>::operator()): Remove name of unused parameter.
1347 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
1350 * include/Makefile.am: Add new <bits/charconv.h> header.
1351 * include/Makefile.in: Regenerate.
1352 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
1353 (to_string(long), to_string(unsigned long), to_string(long long))
1354 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
1355 * include/bits/charconv.h: New header.
1356 (__detail::__to_chars_len): Move here from <charconv>.
1357 (__detail::__to_chars_10_impl): New function extracted from
1358 __detail::__to_chars_10.
1359 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
1360 (__to_chars_unsigned_type): New class template that reuses
1361 __make_unsigned_selector_base::__select to pick a type.
1362 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
1363 (__detail::__to_chars_len): Move to new header.
1364 (__detail::__to_chars_10): Add inline specifier. Move code doing the
1365 output to __detail::__to_chars_10_impl and call that.
1366 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
1367 * testsuite/21_strings/basic_string/numeric_conversions/char/
1368 to_string.cc: Fix reference in comment. Remove unused variable.
1369 * testsuite/21_strings/basic_string/numeric_conversions/char/
1370 to_string_int.cc: New test.
1372 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1374 Fix ConstexprIterator requirements tests - No constexpr algorithms!
1375 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1376 Replace copy with hand-rolled loop.
1377 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1380 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
1382 Test for C++20 p0858 - ConstexprIterator requirements.
1383 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1385 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1388 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
1390 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
1392 * include/bits/c++config: Rename all macros of the form __PSTL* to
1394 * include/std/algorithm: Likewise.
1395 * include/std/execution: Likewise.
1396 * include/std/numeric: Likewise.
1397 * include/std/memory: Likewise.
1398 * include/pstl/glue_memory_impl.h: Likewise.
1399 * include/pstl/numeric_impl.h: Likewise.
1400 * include/pstl/glue_memory_defs.h: Likewise.
1401 * include/pstl/execution_defs.h: Likewise.
1402 * include/pstl/utils.h: Likewise.
1403 * include/pstl/algorithm_fwd.h: Likewise.
1404 * include/pstl/unseq_backend_simd.h: Likewise.
1405 * include/pstl/glue_execution_defs.h: Likewise.
1406 * include/pstl/algorithm_impl.h: Likewise.
1407 * include/pstl/parallel_impl.h: Likewise.
1408 * include/pstl/memory_impl.h: Likewise.
1409 * include/pstl/glue_numeric_defs.h: Likewise.
1410 * include/pstl/parallel_backend_utils.h: Likewise.
1411 * include/pstl/glue_algorithm_defs.h: Likewise.
1412 * include/pstl/parallel_backend.h: Likewise.
1413 * include/pstl/glue_numeric_impl.h: Likewise.
1414 * include/pstl/parallel_backend_tbb.h: Likewise.
1415 * include/pstl/numeric_fwd.h: Likewise.
1416 * include/pstl/glue_algorithm_impl.h: Likewise.
1417 * include/pstl/execution_impl.h: Likewise.
1418 * include/pstl/pstl_config.h: Likewise.
1419 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1420 * testsuite/util/pstl/test_utils.h: Likewise.
1421 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1423 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1425 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1427 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
1428 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
1429 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
1430 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
1431 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1433 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
1434 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
1435 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
1436 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
1437 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1439 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
1440 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
1441 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
1442 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
1443 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1445 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
1446 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
1447 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1449 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1451 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
1452 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1453 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1455 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1457 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
1459 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
1461 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
1463 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
1465 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
1467 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
1469 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
1471 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
1473 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
1475 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
1477 Rename header guards to be consistent with upstream project's
1479 * include/pstl/glue_memory_impl.h: Rename all macros of the form
1480 _PSTL_(.*)_H to _PSTL_\U\1_H.
1481 * include/pstl/numeric_impl.h: Likewise.
1482 * include/pstl/glue_memory_defs.h: Likewise.
1483 * include/pstl/execution_defs.h: Likewise.
1484 * include/pstl/utils.h: Likewise.
1485 * include/pstl/algorithm_fwd.h: Likewise.
1486 * include/pstl/unseq_backend_simd.h: Likewise.
1487 * include/pstl/glue_execution_defs.h: Likewise.
1488 * include/pstl/algorithm_impl.h: Likewise.
1489 * include/pstl/parallel_impl.h: Likewise.
1490 * include/pstl/memory_impl.h: Likewise.
1491 * include/pstl/glue_numeric_defs.h: Likewise.
1492 * include/pstl/parallel_backend_utils.h: Likewise.
1493 * include/pstl/glue_algorithm_defs.h: Likewise.
1494 * include/pstl/parallel_backend.h: Likewise.
1495 * include/pstl/glue_numeric_impl.h: Likewise.
1496 * include/pstl/parallel_backend_tbb.h: Likewise.
1497 * include/pstl/numeric_fwd.h: Likewise.
1498 * include/pstl/glue_algorithm_impl.h: Likewise.
1499 * include/pstl/execution_impl.h: Likewise.
1500 * include/pstl/pstl_config.h: Likewise.
1501 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1503 Synchronize libstdc++ parallel algorithms with upstream
1505 * include/pstl/algorithm_fwd.h: Synchronize with
1506 upstream PSTL project.
1507 * include/pstl/algorithm_impl.h: Likewise.
1508 * include/pstl/execution_defs.h: Likewise.
1509 * include/pstl/execution_impl.h: Likewise.
1510 * include/pstl/glue_algorithm_impl.h: Likewise.
1511 * include/pstl/glue_execution_defs.h: Likewise.
1512 * include/pstl/numeric_fwd.h: Likewise.
1513 * include/pstl/numeric_impl.h: Likewise.
1514 * include/pstl/parallel_backend.h: Likewise.
1515 * include/pstl/pstl_config.h: Likewise.
1516 * include/pstl/unseq_backend_simd.h: Likewise.
1517 * include/pstl/parallel_backend_serial.h: New file.
1518 * include/Makefile.am (pstl_headers): Add
1519 parallel_backend_serial.h.
1520 * include/Makefile.in: Regenerate.
1522 Clean up non-conforming names
1523 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
1524 Uglfiy copy_range1 and copy_range2
1525 (__pattern_walk2_n): Rename local n to __n
1526 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
1527 Rename parameter _T to _Tp.
1529 Integrate non-TBB serial backend support
1530 * include/bits/c++config: Adjust TBB detection logic to select serial
1531 PSTL backend if no TBB present.
1532 * testsuite/utils/pstl/test_utils.h: Remove check for
1533 _PSTL_USE_PAR_POLICIES
1535 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
1537 * testsuite/24_iterators/container_access.cc: Move dg-options before
1538 dg-do directive so the target check uses the -std option.
1541 * configure: Regenerate.
1542 * src/Makefile.am (stamp-debug): Also test for missing makefile.
1543 * src/Makefile.in: Regenerate.
1545 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
1547 * include/std/array: Do not include <stdexcept>.
1548 * include/std/optional: Include <exception> and
1549 <bits/exception_defines.h> instead of <stdexcept>.
1550 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
1552 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
1554 * testsuite/23_containers/map/erasure.cc: Include <string>.
1555 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
1557 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
1558 dg-prune-output for different C++98 diagnostic.
1559 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
1561 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
1563 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
1565 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
1567 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
1569 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
1571 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
1573 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
1575 * testsuite/23_containers/vector/requirements/dr438/
1576 constructor_1_neg.cc: Likewise.
1577 * testsuite/23_containers/vector/requirements/dr438/
1578 constructor_2_neg.cc: Likewise.
1579 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
1581 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
1583 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
1584 Do not test allocator rebinding extension for C++2a.
1585 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
1586 dg-do directive for C++17 and C++2a.
1588 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1589 1_c++0x.cc: Remove redundant test.
1590 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1591 2.cc: Use target selector instead of preprocessor condition.
1592 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1593 3.cc: Do not run test for C++2a.
1594 * testsuite/23_containers/forward_list/requirements/
1595 explicit_instantiation/3.cc: Likewise.
1596 * testsuite/23_containers/forward_list/requirements/
1597 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1599 * testsuite/23_containers/list/requirements/explicit_instantiation/
1600 1_c++0x.cc: Remove redundant test.
1601 * testsuite/23_containers/list/requirements/explicit_instantiation/
1602 2.cc: Use target selector instead of preprocessor condition.
1603 * testsuite/23_containers/list/requirements/explicit_instantiation/
1604 3.cc: Do not run test for C++2a.
1605 * testsuite/23_containers/list/requirements/explicit_instantiation/
1606 5.cc: Do not test allocator rebinding extension for C++2a.
1607 * testsuite/23_containers/map/requirements/explicit_instantiation/
1608 1_c++0x.cc: Remove redundant test.
1609 * testsuite/23_containers/map/requirements/explicit_instantiation/
1610 2.cc: Adjust comment.
1611 * testsuite/23_containers/map/requirements/explicit_instantiation/
1612 3.cc: Do not run test for C++2a.
1613 * testsuite/23_containers/map/requirements/explicit_instantiation/
1614 5.cc: Do not test allocator rebinding extension for C++2a.
1615 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1616 1_c++0x.cc: Remove redundant test.
1617 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1618 3.cc: Do not run test for C++2a.
1619 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1620 5.cc: Do not test allocator rebinding extension for C++2a.
1621 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1622 3.cc: Do not run test for C++2a.
1623 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1624 5.cc: Do not test allocator rebinding extension for C++2a.
1625 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
1626 Do not run test for C++2a.
1627 * testsuite/23_containers/set/requirements/explicit_instantiation/
1628 1_c++0x.cc: Remove redundant test.
1629 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
1630 Do not test allocator rebinding extension for C++2a.
1631 * testsuite/23_containers/unordered_map/requirements/
1632 explicit_instantiation/3.cc: Likewise.
1633 * testsuite/23_containers/unordered_map/requirements/
1634 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1636 * testsuite/23_containers/unordered_multimap/requirements/
1637 explicit_instantiation/3.cc: Do not run test for C++2a.
1638 * testsuite/23_containers/unordered_multimap/requirements/
1639 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1641 * testsuite/23_containers/unordered_multiset/requirements/
1642 explicit_instantiation/3.cc: Do not run test for C++2a.
1643 * testsuite/23_containers/unordered_multiset/requirements/
1644 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1646 * testsuite/23_containers/unordered_set/requirements/
1647 explicit_instantiation/3.cc: Do not run test for C++2a.
1648 * testsuite/23_containers/unordered_set/requirements/
1649 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1651 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1652 2.cc: Remove redundant test.
1653 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1654 3.cc: Do not run test for C++2a.
1655 * testsuite/23_containers/vector/requirements/explicit_instantiation/
1658 * include/std/type_traits (is_empty, is_polymorphic, is_final)
1659 (is_abstract, is_aggregate): Remove static_assert.
1660 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
1662 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
1663 missing -std=gnu++17 option.
1664 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
1665 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
1666 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
1669 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
1670 * testsuite/18_support/set_unexpected.cc: Likewise.
1671 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
1673 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
1674 function to be valid in C++11.
1675 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
1676 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
1677 include Library Fundamentals or Networking headers in C++11 mode.
1678 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
1680 * include/std/tuple (_TC): Replace with _TupleConstraints.
1681 (_TupleConstraints): New helper for SFINAE constraints, with more
1682 expressive member functions to reduce duplication when used.
1683 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
1684 (tuple::_TCC): Replace dummy type parameter with bool non-type
1685 parameter that can be used to check the pack size.
1686 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
1687 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
1688 checking constraints in constructors.
1689 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
1691 (tuple::tuple): Use new helpers to reduce repitition in constraints.
1692 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
1693 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
1694 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
1695 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
1696 constraints in constructors.
1697 (tuple::__is_alloc_arg()): New SFINAE helpers.
1698 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
1700 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
1701 * testsuite/20_util/tuple/cons/90700.cc: New test.
1702 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
1703 to meet new constraint on allocator-extended default constructor.
1705 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1707 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
1708 * include/bits/stl_multimap.h (multimap): Likewise.
1710 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
1712 Rename variables and cleanup comments.
1713 * include/bits/hashtable_policy.h
1714 * include/bits/hashtable.h
1716 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1718 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
1719 Fix bgcolor for P0340R3.
1720 * doc/html/*: Regenerate.
1723 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
1724 <experimental/memory_resource>.
1725 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
1726 P0339R6, P0340R3, P1164R1 and P1357R1.
1727 * doc/html/*: Regenerate.
1729 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
1730 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
1731 allocator::value_type assertion for C++2a.
1732 * include/bits/hashtable.h: Likewise.
1733 * include/bits/stl_deque.h: Likewise.
1734 * include/bits/stl_list.h: Likewise.
1735 * include/bits/stl_map.h: Likewise.
1736 * include/bits/stl_multimap.h: Likewise.
1737 * include/bits/stl_multiset.h: Likewise.
1738 * include/bits/stl_set.h: Likewise.
1739 * include/bits/stl_vector.h: Likewise.
1740 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
1741 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
1742 * testsuite/23_containers/list/48101-3_neg.cc: New test.
1743 * testsuite/23_containers/map/48101-3_neg.cc: New test.
1744 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
1745 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
1746 * testsuite/23_containers/set/48101-3_neg.cc: New test.
1747 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
1748 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
1749 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
1750 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
1751 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
1753 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
1755 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
1757 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1759 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
1761 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
1763 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
1765 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1767 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
1770 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
1771 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
1772 * libsupc++/eh_term_handler.h: New header defining
1773 _GLIBCXX_DEFAULT_TERM_HANDLER.
1774 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
1775 (set_terminate): Restore default handler when argument is null.
1776 (set_unexpected): Likewise.
1777 * testsuite/18_support/set_terminate.cc: New test.
1778 * testsuite/18_support/set_unexpected.cc: New test.
1780 * include/backward/hashtable.h (size_t, ptrdiff_t)
1781 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
1782 (distance, vector, pair, __iterator_category): Remove
1783 using-declarations that add these names to namespace __gnu_cxx.
1784 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
1785 * include/ext/debug_allocator.h (size_t): Likewise.
1786 * include/ext/functional (size_t, unary_function, binary_function)
1787 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
1789 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
1790 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
1791 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
1792 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
1793 * include/ext/numeric (iota): Fix outdated comment.
1794 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
1795 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
1796 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
1797 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
1798 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
1800 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
1801 (allocator, __true_type, __false_type): Likewise.
1803 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
1806 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
1807 New helpers for checking preconditions in traits.
1808 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
1809 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
1810 (is_destructible, is_nothrow_destructible, is_constructible)
1811 (is_default_constructible, is_copy_constructible)
1812 (is_move_constructible, is_nothrow_default_constructible)
1813 (is_nothrow_constructible, is_nothrow_copy_constructible)
1814 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
1815 (is_nothrow_assignable, is_nothrow_copy_assignable)
1816 (is_nothrow_move_assignable, is_trivially_constructible)
1817 (is_trivially_copy_constructible, is_trivially_move_constructible)
1818 is_trivially_assignable, is_trivially_copy_assignable)
1819 (is_trivially_move_assignable, is_trivially_destructible)
1820 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
1821 (is_invocable_r, is_nothrow_invocable)
1822 (has_unique_object_representations, is_aggregate): Add static_asserts
1823 to make sure that type traits are not misused with incomplete types.
1824 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
1825 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
1826 base characteristics without assertions that can be reused in other
1828 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
1829 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
1831 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
1832 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
1833 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
1834 * testsuite/20_util/is_class/value.cc: Check incomplete type.
1835 * testsuite/20_util/is_function/value.cc: Likewise.
1836 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
1837 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
1839 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
1840 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
1841 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1842 * testsuite/20_util/is_union/value.cc: Likewise.
1843 * testsuite/20_util/is_void/value.cc: Likewise.
1844 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
1846 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1848 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
1849 Add new private member function.
1850 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
1851 (random_device::_M_init_pretr1(const string&)): Call new private
1852 member with string data.
1853 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
1855 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
1856 test using COW strings.
1857 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
1858 a value from the device.
1859 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
1860 Fix typo in token string.
1862 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
1864 LWG2788 basic_string spurious use of a default constructible allocator
1865 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
1866 (basic_string::_M_replace_dispatch): Construct temporary string with
1867 the current allocator.
1868 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
1869 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
1871 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
1873 * doc/xml/manual/diagnostics.xml: Update list of headers that define
1875 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
1876 section about new/delete overloads. Improve section on verbose
1878 * doc/html/*: Regenerate.
1880 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
1881 P0811R3. Change status of P1353R0.
1882 * doc/html/*: Regenerate.
1884 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
1885 documentation of implementation-defined types for [thread.req.native].
1886 * doc/xml/manual/status_cxx2017.xml: Update documentation of
1887 implementation-defined strings for [variant.bad.access]. Fix typo in
1888 documentation of implementation-defined support for [fs.conform.9945].
1889 * doc/html/*: Regenerate.
1891 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
1894 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
1895 that fails on mingw-w64.
1898 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
1899 (status(const path&, error_code&)): Use parent_path() to remove
1901 (symlink_status(const path&, error_code&)): Duplicate workaround for
1902 bug in _wstat for paths with trailing slash.
1903 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
1904 with trailing slash.
1905 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
1906 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
1908 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
1909 once instead of building it iteratively.
1911 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
1913 PR libstdc++/85494 use rdseed and rand_s in std::random_device
1914 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
1915 the assembler supports rdseed.
1916 * config.h.in: Regenerate.
1917 * configure: Regenerate.
1918 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
1919 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
1920 * doc/html/*: Regenerate.
1921 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
1922 * include/bits/random.h (random_device::random_device()): Always call
1923 _M_init rather than _M_init_pretr1.
1924 (random_device::random_device(const string&)): Likewise.
1925 (random_device::operator()()): Always call _M_getval().
1926 (random_device::_M_file): Replace first member of union with an
1927 anonymous struct, with _M_file as its first member.
1928 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
1929 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
1930 (USE_MT19937): Define if none of the above are defined.
1931 (USE_POSIX_FILE_IO): Define.
1932 (_M_strtoul): Remove.
1933 [USE_RDSEED] (__x86_rdseed): Define new function.
1934 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
1935 (random_device::_M_init(const string&)): Initialize new union members.
1936 Add support for "rdseed" and "rand_s" tokens. Decide what the
1937 "default" token does according to which USE_* macros are defined.
1938 [USE_POSIX_FILE_IO]: Store a file descriptor.
1939 [USE_MT19937]: Forward to _M_init_pretr1 instead.
1940 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
1941 code from _M_strtoul.
1942 [!USE_MT19937]: Call _M_init, transforming the old default token or
1943 numeric tokens to "default".
1944 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
1945 (random_device::_M_getval()): Use new union members to obtain a
1946 random number from the stored function pointer or file descriptor.
1947 [USE_MT19937]: Obtain a value from the mt19937 engine.
1948 (random_device::_M_getval_pretr1()): Call _M_getval().
1949 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
1951 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
1952 * testsuite/26_numerics/random/random_device/85494.cc: New test.
1954 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
1957 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
1958 _M_split_cmpts() for a path with multiple components.
1959 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
1960 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
1961 components and reserve space in vector. Return early when there is
1963 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
1964 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
1966 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
1967 form of std::equals for C++11 compatibility.
1969 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
1971 * doc/xml/manual/appendix_contributing.xml: Update pointer to
1972 C++ standard at ansi.org.
1974 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
1976 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
1977 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
1980 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
1981 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
1983 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
1985 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
1987 * testsuite/20_util/function_objects/invoke/3.cc: New test.
1988 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
1989 "compile" test to "run".
1991 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
1992 * doc/html/*: Regenerate.
1993 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
1994 rvalue aliasing constructor.
1995 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
1996 (reinterpret_pointer_cast): Add overloads taking rvalues.
1997 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
1998 Add rvalue aliasing constructor.
1999 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
2000 "run" and check return values as well as types.
2001 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
2002 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
2003 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
2004 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
2007 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
2008 * doc/xml/manual/intro.xml: Likewise.
2009 * include/std/future (__create_task_state): Add default arguments
2010 to make providing an allocator optional.
2011 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
2012 instead of delegating to another constructor.
2013 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
2014 define allocator-extended constructors for C++17 and later.
2015 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
2017 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
2018 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
2019 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
2021 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
2023 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
2024 Don't run the libstdc++/83237 part on simulator targets.
2026 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
2028 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
2030 * doc/html/*: Regenerate.
2032 * include/experimental/any (__any_caster): Use RTTI if comparing
2033 addresses fails, to support non-unique addresses in shared libraries.
2034 * include/std/any (__any_caster): Likewise.
2037 * include/experimental/any (__any_caster): Constrain to only be
2038 callable for object types. Use remove_cv_t instead of decay_t.
2039 If the type decays or isn't copy constructible, compare the manager
2040 function to a dummy specialization.
2041 (__any_caster): Add overload constrained for non-object types.
2042 (any::_Manager_internal<_Op>): Add dummy specialization.
2043 * testsuite/experimental/any/misc/any_cast.cc: Test function types
2046 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
2049 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
2050 reversed arguments to uninitialized_copy_n.
2051 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
2052 is unchanged by copy assignment.
2053 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
2054 compare path components.
2057 * include/experimental/memory_resource: Add system header pragma and
2058 do not define anything unless compiled as C++14 or later.
2059 (__resource_adaptor_common::__guaranteed_alignment): Remove.
2060 (__resource_adaptor_imp::do_allocate): If the requested alignment
2061 is a fundamental alignment then either allocate directly from _M_alloc
2062 or call the new _M_allocate function.
2063 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
2064 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
2065 of the allocator rebound to a POD type with the specified alignment.
2066 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
2067 * testsuite/experimental/memory_resource/new_delete_resource.cc:
2068 Adjust expected allocation sizes.
2069 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
2070 xfail for Solaris x86.
2072 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
2074 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
2075 * include/pstl/execution_defs.h (__enable_if_execution_policy):
2076 Use std::__remove_cvref_t when building with GCC.
2078 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
2081 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2082 Use "additional_flags" to pass -ltbb to v3_target_compile command.
2083 Use check_v3_target_prop_cached to cache the result of the test.
2085 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
2087 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2090 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2091 Changed v3_target_compile check from preprocess to executable.
2092 Added "-ltbb" to v3_target_compile flags.
2094 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
2096 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
2097 Add check for Thread Building Blocks 2018 or later.
2099 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2101 * testsuite/experimental/names.cc: Only include Networking TS headers
2102 on targets with the necessary Gthreads support.
2104 2019-05-20 Marek Polacek <polacek@redhat.com>
2106 CWG 2094 - volatile scalars are trivially copyable.
2108 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
2109 result for volatile int.
2111 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2113 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
2114 * testsuite/experimental/names.cc: Include <experimental/filesystem>
2117 PR c++/90532 Ensure __is_constructible(T[]) is false
2118 * include/std/type_traits (__do_is_default_constructible_impl)
2119 (__is_default_constructible_atom, __is_default_constructible_safe):
2121 (is_default_constructible): Use is_constructible.
2122 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
2123 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
2124 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
2125 * testsuite/20_util/is_trivially_default_constructible/value.cc:
2128 2019-05-20 Pádraig Brady <pbrady@fb.com>
2130 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
2131 to the deallocator with -fsized-deallocation.
2133 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
2135 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
2136 test by passing correct alignment to deallocate function.
2138 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
2141 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2142 Raise exception if unique_ptr tuple member has unknown structure.
2143 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
2144 Adjust worker to support new __uniq_ptr_data base class. Do not
2145 assume field called _M_head_impl is the first tuple element.
2147 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2149 * include/bits/stl_deque.h
2150 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
2151 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
2152 (_Deque_base::_Deque_impl_data): New.
2153 (_Deque_base::_Deque_impl): Inherit latter.
2154 (_Deque_base::_Deque_impl::_M_swap_data): Move...
2155 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
2156 (_Deque_base::_Deque_impl()): Add noexcept qualification.
2157 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
2158 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
2159 (deque<>::deque()): Default.
2160 (deque<>::deque(deque&&)): Default.
2161 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
2162 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
2163 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
2164 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
2165 _M_range_initialize.
2166 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
2167 (deque<>::resize(size_type, const value_type&)): Share a single
2169 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
2170 _M_range_insert_aux.
2171 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
2172 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
2173 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
2174 * testsuite/23_containers/deque/allocator/default_init.cc: New.
2176 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
2179 * include/std/variant (holds_alternative, get, get_if): Improve
2180 static assertion messages.
2181 (bad_variant_access::bad_variant_access()): Change default message.
2182 (__throw_bad_variant_access(bool)): New overload.
2183 (get): Use new overload.
2184 (visit, visit<R>): Improve exception message.
2186 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
2187 targets. Add more cases from P0608R3.
2188 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
2190 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
2191 * include/experimental/type_traits (is_detected_exact)
2192 (is_detected_exact_v): Likewise.
2193 * include/pstl/execution_defs.h (is_execution_policy)
2194 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
2195 * include/pstl/execution_impl.h (__policy_traits): Likewise.
2196 * testsuite/17_intro/names.cc: Check for more non-reserved names.
2197 * testsuite/experimental/names.cc: New test.
2200 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
2201 assertions from the destructor.
2202 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
2203 Move static_assert for hash function to here.
2204 (_Hash_table_base::_M_equals): Move static_assert for equality
2206 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
2208 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
2209 the value directly instead of calling _S_value.
2210 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
2211 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
2212 _S_key(_Const_Link_type).
2213 * testsuite/23_containers/set/85965.cc: Check construction,
2214 destruction, assignment and size() do not trigger the assertions.
2215 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
2216 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
2218 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2219 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
2220 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2221 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2222 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2223 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2224 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2226 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
2227 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
2230 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
2232 * doc/html/*: Regenerate.
2233 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
2234 of decay_t (P0777R1).
2236 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2238 Move from state of allocators (LWG2593)
2239 * include/bits/stl_deque.h
2240 (_Deque_base(_Deque_base&&, false_type)): Remove.
2241 (_Deque_base(_Deque_base&&, true_type)): Remove.
2242 (_Deque_base(_Deque_base&&)): Adapt.
2243 (_Deque_base::_M_move_impl()): Remove.
2244 * testsuite/util/testsuite_allocator.h
2245 (propagating_allocator(propagating_allocator&&)): Preserve move from
2247 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
2249 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
2251 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
2252 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
2253 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
2255 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
2257 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
2258 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
2260 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
2262 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
2264 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
2266 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
2268 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
2270 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
2272 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
2275 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
2277 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
2278 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
2280 * include/std/variant (__overload_set): Remove.
2282 (_Build_FUN): New class template to define a single FUN overload,
2283 with specializations to prevent unwanted conversions, as per P0608R3.
2284 (_Build_FUNs): New class template to build an overload set of FUN.
2285 (_FUN_type): New alias template to perform overload resolution.
2286 (__accepted_type): Use integer_constant base for failure case. Use
2287 _FUN_type for successful case.
2288 (variant::__accepted_index): Use _Tp instead of _Tp&&.
2289 (variant::variant(_Tp&&)): Likewise.
2290 (variant::operator=(_Tp&&)): Likewise.
2292 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
2293 Replace raw visitation with a runtime check for the valueless state
2294 and a non-raw visitor.
2295 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
2296 (variant::index()): Remove branch.
2297 (variant::swap(variant&)): Use valueless_by_exception() instead of
2298 comparing the index to variant_npos, and add likelihood attribute.
2300 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
2301 (_Hashtable_base::_Equal_hash_code): Define new class template.
2302 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
2305 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
2306 Replace with _M_get non-static member function.
2307 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
2309 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
2310 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
2312 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
2313 _S_get accessors for members in EBO helpers.
2314 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
2315 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
2317 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
2319 (_Hashtable_base::_M_eq()): Remove non-const overload.
2321 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
2323 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
2325 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2327 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
2330 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2332 * config/os/solaris/solaris2.10: Move to ...
2333 * config/os/solaris: ... this.
2334 * configure.host (os_include_dir): Adapt.
2335 (abi_baseline_pair): Remove Solaris 10 handling.
2336 * config/abi/post/i386-solaris2.10: Remove.
2337 * config/abi/post/sparc-solaris2.10: Remove.
2338 * config/abi/post/i386-solaris2.11: Rename to ...
2339 * config/abi/post/i386-solaris: ... this.
2340 * config/abi/post/sparc-solaris2.11: Rename to ...
2341 * config/abi/post/sparc-solaris: ... this.
2343 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
2346 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
2349 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2351 * include/std/variant (__visit_with_index): Remove typedef.
2352 (__deduce_visit_result): New tag type.
2353 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
2354 visitation of possibly-valueless variants, forwarding to __do_visit
2355 with the relevant tag type.
2356 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
2357 and make lambda return void.
2358 (__variant_construct): Likewise.
2359 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
2360 __raw_idx_visit and make lambda return void.
2361 (_Multi_array::__untag_result): Add metafunction to check the function
2362 pointer type for a tag type that dictates the kind of visitation.
2363 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
2364 Use decltype(auto) instead of tagged function pointer type.
2365 (__gen_vtable_impl): Remove bool non-type parameter and unused
2366 _Variant_tuple parameter.
2367 (__gen_vtable_impl::__visit_invoke_impl): Remove.
2368 (__gen_vtable_impl::__do_visit_invoke): Remove.
2369 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
2370 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
2371 for the visit<R> case, rather than dispatching to separate functions.
2372 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
2374 (variant::swap): Likewise.
2375 (__do_visit): Replace two non-type template parameters with a single
2376 type parameter, so that the caller must specify the visitor's return
2377 type (or one of the tag types).
2378 (visit): Deduce a return type from the visitor and use the
2379 __deduce_visit_result tag to enforce that all overloads return the
2381 (visit<R>): Call __do_visit<R> with explicit result type.
2382 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
2385 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2387 nonesuch is insufficiently useless (lwg2996)
2388 * include/std/type_traits (struct __nonesuch): Added private base
2389 class to make __nonesuch not an aggregate and removed deleted default
2391 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
2392 (operator=(const pair&)): Use __nonesuch instead of
2393 __nonesuch_no_braces.
2394 (operator=(pair&&)): Likewise
2395 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
2396 of __nonesuch_no_braces.
2397 (operator=(tuple&&)): Likewise
2398 * include/experimental/type_traits (struct nonesuch): Added private
2399 base class to make nonesuch not an aggregate and removed deleted
2400 default constructor.
2401 * testsuite/20_util/nonesuch/nonesuch.cc: New.
2402 * testsuite/experimental/type_traits/nonesuch.cc: New.
2404 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2406 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
2407 (_Function_handler): Remove partial specializations for void return
2408 types and pointers to member.
2409 (_Function_handler::_M_manager): Adapt to removal of
2410 _Simple_type_wrapper.
2411 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
2412 * include/std/functional (_Bind_result::__enable_if_void)
2413 (_Bind_result::__disable_if_void): Remove sfinae helpers.
2414 (_Bind_result::__call): Use __invoke_r and remove overloads for void
2416 * include/std/future (__future_base::_Task_state::_M_run)
2417 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
2418 change return type of lambda expressions.
2420 * include/bits/invoke.h (__invoke_r): Define new function implementing
2421 the INVOKE<R> pseudo-function.
2422 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
2423 * testsuite/20_util/function_objects/invoke/2.cc: New test.
2425 * include/std/type_traits (__is_nt_convertible_helper): Define it
2426 unconditionally, not only for C++20.
2427 (__is_nothrow_convertible): Define internal trait for use in C++11.
2428 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
2429 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
2430 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
2431 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
2432 that has nothrow explicit conversion but potentially-throwing implicit
2434 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
2435 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
2436 function to only consider implicit conversions.
2437 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
2439 * include/std/iterator: Include <iosfwd> instead of <istream> and
2442 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
2443 Remove unused, non-standard function.
2445 * include/bits/regex.h (match_results::max_size()): Adjust return
2446 value to account for prefix/suffix/unmatched subs.
2447 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
2448 reset the contained sub matches.
2449 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
2450 function to set result state following a failed match.
2451 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
2452 sub_match states after _M_resize. Use _M_establish_failed_match.
2455 * include/std/thread (thread::_State_impl, thread::_S_make_state):
2456 Replace single _Callable parameter with variadic _Args pack, to
2457 forward them directly to the tuple of decayed copies.
2458 * testsuite/30_threads/thread/cons/69724.cc: New test.
2460 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2462 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
2463 * include/bits/basic_string.h: (operator=(const basic_string&):
2464 Move allocator decision to assign.
2465 (assign(const basic_string&)): Move allocator decision here.
2466 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
2468 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
2471 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2473 * testsuite/util/testsuite_allocator.h (memory_resource)
2474 (default_resource_mgr): Fix indentation.
2476 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
2477 Use operator-> to access raw pointer member.
2478 * testsuite/23_containers/vector/59829.cc: Likewise.
2479 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
2480 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
2481 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
2483 (PointerBase, PointerBase_void): Derive from NullablePointer and use
2484 its constructors and equality operators. Change converting
2485 constructors to use operator-> to access private member of the other
2487 (PointerBase_void::operator->()): Add, for access to private member.
2488 (operator-(PointerBase, PointerBase)): Change to hidden friend.
2489 (operator==(PointerBase, PointerBase)): Remove.
2490 (operator!=(PointerBase, PointerBase)): Remove.
2492 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
2493 not assume field called _M_head_impl is the first tuple element.
2494 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
2495 implementation more accurate.
2496 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
2497 empty pointer type and non-empty deleter.
2499 LWG 2899 - Make is_move_constructible correct for unique_ptr
2500 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
2501 move assignment operator.
2502 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
2503 (__uniq_ptr_data): New class template with conditionally deleted
2505 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
2506 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
2507 constructor and move assignment operator as defaulted.
2508 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
2509 __uniq_ptr_impl::release().
2510 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
2511 to __uniq_ptr_impl::reset(pointer).
2512 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2513 Check for new __uniq_ptr_data type.
2514 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
2516 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2518 PR libstdc++/90454.cc path construction from void*
2519 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
2520 pointers to void are rejected as well as void.
2521 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
2522 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
2524 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
2526 * doc/xml/manual/policy_data_structures.xml: Comment out stray
2527 <remark> elements. Fix formatting of bibliography references.
2529 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
2531 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
2533 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2535 Remove Profile Mode, deprecated since 7.1.0
2536 * doc/Makefile.am: Remove XML file for profile mode docs.
2537 * doc/Makefile.in: Regenerate.
2538 * doc/xml/authors.xml: Remove authors of profile mode docs.
2539 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
2541 * doc/xml/manual/debug.xml: Likewise.
2542 * doc/xml/manual/evolution.xml: Document removal of profile mode.
2543 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
2544 * doc/xml/manual/spine.xml: Remove profile mode author credit.
2545 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
2547 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
2549 * doc/html/*: Regenerate.
2550 * include/Makefile.am: Remove profile mode headers.
2551 * include/Makefile.in: Regenerate.
2552 * include/bits/c++config (std::__profile): Remove namespace.
2553 [_GLIBCXX_PROFILE]: Remove checks for macro.
2554 * include/profile/array: Remove.
2555 * include/profile/base.h: Remove.
2556 * include/profile/bitset: Remove.
2557 * include/profile/deque: Remove.
2558 * include/profile/forward_list: Remove.
2559 * include/profile/impl/profiler.h: Remove.
2560 * include/profile/impl/profiler_algos.h: Remove.
2561 * include/profile/impl/profiler_container_size.h: Remove.
2562 * include/profile/impl/profiler_hash_func.h: Remove.
2563 * include/profile/impl/profiler_hashtable_size.h: Remove.
2564 * include/profile/impl/profiler_list_to_slist.h: Remove.
2565 * include/profile/impl/profiler_list_to_vector.h: Remove.
2566 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
2567 * include/profile/impl/profiler_node.h: Remove.
2568 * include/profile/impl/profiler_state.h: Remove.
2569 * include/profile/impl/profiler_trace.h: Remove.
2570 * include/profile/impl/profiler_vector_size.h: Remove.
2571 * include/profile/impl/profiler_vector_to_list.h: Remove.
2572 * include/profile/iterator_tracker.h: Remove.
2573 * include/profile/list: Remove.
2574 * include/profile/map: Remove.
2575 * include/profile/map.h: Remove.
2576 * include/profile/multimap.h: Remove.
2577 * include/profile/multiset.h: Remove.
2578 * include/profile/ordered_base.h: Remove.
2579 * include/profile/set: Remove.
2580 * include/profile/set.h: Remove.
2581 * include/profile/unordered_base.h: Remove.
2582 * include/profile/unordered_map: Remove.
2583 * include/profile/unordered_set: Remove.
2584 * include/profile/vector: Remove.
2585 * scripts/run_doxygen: Do not process profile mode headers.
2586 * testsuite/23_containers/array/element_access/60497.cc: Don't use
2588 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
2589 Remove dg-skip-if for profile mode.
2590 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
2591 preprocessor check for profile mode.
2592 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
2593 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
2595 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
2597 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
2598 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
2599 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
2600 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
2601 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
2603 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
2605 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
2607 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
2609 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
2610 preprocessor check for profile mode.
2611 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
2613 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
2614 Remove dg-skip-if for profile mode.
2615 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
2616 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
2617 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
2618 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
2619 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
2620 * testsuite/Makefile.am: Remove profile_flags variable and
2621 * testsuite/Makefile.am: Remove profile_flags variable and
2622 check-profile target.
2623 * testsuite/Makefile.in: Regenerate.
2624 * testsuite/ext/profile/all.cc: Remove.
2625 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
2626 * testsuite/ext/profile/profiler_algos.cc: Remove.
2627 * testsuite/ext/profile/replace_new.cc: Remove.
2628 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
2629 preprocessor check for profile mode.
2630 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2631 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
2632 (check_v3_target_normal_mode): Do not check for profile mode macro.
2633 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
2635 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
2636 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
2637 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2638 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
2639 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
2640 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2641 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
2642 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2643 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2644 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
2646 Remove array_allocator extension, deprecated since 4.9.0
2647 * doc/xml/manual/allocator.xml: Remove documentation for
2649 * doc/xml/manual/evolution.xml: Document array_allocator removal.
2650 * doc/xml/manual/using.xml: Remove header from documentation.
2651 * include/Makefile.am: Remove <ext/array_allocator.h> header.
2652 * include/Makefile.in: Regenerate.
2653 * include/ext/array_allocator.h: Remove.
2654 * include/precompiled/extc++.h: Do not include removed header.
2655 * testsuite/ext/array_allocator/1.cc: Remove.
2656 * testsuite/ext/array_allocator/2.cc: Remove.
2657 * testsuite/ext/array_allocator/26875.cc: Remove.
2658 * testsuite/ext/array_allocator/3.cc: Remove.
2659 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
2660 * testsuite/ext/array_allocator/check_delete.cc: Remove.
2661 * testsuite/ext/array_allocator/check_new.cc: Remove.
2662 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
2663 * testsuite/ext/headers.cc: Do not include removed header.
2665 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
2667 * include/bits/stl_bvector.h
2668 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2670 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
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 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
2684 (_Bit_iterator::operator-(difference_type)): Likewise.
2685 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
2686 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
2688 (_Bit_const_iterator::operator-(difference_type)): Likewise.
2689 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
2691 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
2694 * testsuite/util/thread/all.h: Do not use remove_pointer for
2695 std::thread::native_handle_type.
2698 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
2699 (_Variant_storage<true, Types...>::_M_reset()))
2700 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
2701 (__get_storage): Likewise.
2702 (variant): Add noexcept to friend declarations for __get and
2706 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
2707 Use _Require for constraints.
2708 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
2710 (__uniq_ptr_hash): New base class with conditionally-disabled call
2712 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
2713 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
2714 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
2716 * include/bits/shared_ptr.h: Improve docs.
2717 * include/bits/shared_ptr_base.h: Likewise.
2718 * include/bits/stl_uninitialized.h: Likewise.
2719 * include/bits/unique_ptr.h: Likewise.
2720 * libsupc++/new: Likewise.
2722 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
2724 * include/bits/stl_deque.h
2725 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2727 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
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 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
2739 (_Deque_iterator<>::operator-(difference_type)): Likewise.
2741 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
2744 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
2745 (test01): Reserve for number of insertions to avoid rehash during test.
2746 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
2748 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
2753 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
2755 * include/experimental/bits/fs_path.h: Improve docs.
2756 * include/experimental/bits/net.h: Fix wrong header name in comment.
2757 Do not document implementation details.
2758 * include/experimental/netfwd: Fix doxygen grouping.
2760 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
2762 * include/bits/stl_pair.h: Improve docs.
2763 * include/std/tuple: Likewise.
2765 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
2767 * include/std/chrono: Improve docs.
2768 * include/std/ratio: Do not document implementation details.
2769 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
2771 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
2774 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
2775 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
2776 (__duration_common_type): New helper.
2777 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
2778 __duration_common_type.
2779 (__timepoint_common_type_wrapper): Replace with ...
2780 (__timepoint_common_type): New helper.
2781 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
2782 Use __time_point_common_type.
2783 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
2784 (__common_type_impl): If either argument is transformed by decay,
2785 use the common_type of the decayed types.
2786 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
2787 decayed, use __do_common_type_impl to get the common_type.
2788 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
2789 (__do_member_type_wrapper, __member_type_wrapper)
2790 (__expanded_common_type_wrapper): Remove.
2791 (__common_type_pack, __common_type_fold): New helpers.
2792 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
2793 __member_type_wrapper and __expanded_common_type_wrapper.
2794 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
2795 Test zero-length template argument list.
2796 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
2797 Test single argument cases and argument types that should decay.
2798 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
2799 Adjust expected error.
2800 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
2802 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2803 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2804 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2806 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
2808 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
2810 Make allocator propagation more consistent for
2811 operator+(basic_string) (P1165R1)
2812 * include/bits/basic_string.h
2813 (operator+(basic_string&&, basic_string&&): Changed resulting
2814 allocator to always be the one from the first parameter.
2815 * include/bits/basic_string.tcc
2816 (operator+(const _CharT*, const basic_string&)): Changed
2817 resulting allocator to be SOCCC on the second parameter's allocator.
2818 (operator+(_CharT, const basic_string&)): Likewise.
2819 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
2821 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
2824 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
2826 * include/bits/regex.h: Improve docs.
2827 * include/bits/regex.tcc: Do not document implementation details.
2829 * testsuite/19_diagnostics/error_code/hash.cc: New test.
2831 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
2833 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2834 Add type printer for container types in std::__debug namespace.
2835 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
2836 (gdb-tests): Use distinct parameters for the type of test and use of
2838 (gdb-test): Check for regex test even if 'whatis' test.
2839 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
2841 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
2842 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2843 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2844 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
2845 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2846 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2847 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
2849 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
2851 * include/std/system_error (error_category): Fix comment.
2854 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
2855 argument is an empty path.
2856 (absolute(const path&, error_code&)): Use invalid_argument as error
2857 code instead of no_such_file_or_directory.
2858 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
2859 of non-existent paths and empty paths with both overloads of absolute.
2861 * include/std/system_error (error_category, error_code)
2862 (error_condition): Improve docs.
2863 * libsupc++/exception: Add missing @addtogroup Doxygen command.
2864 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
2865 to class documentation. Suppress documentation for implementation
2867 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
2868 Suppress documentation for implementation details.
2870 * include/std/system_error (error_code): Remove friend declaration
2871 for hash<error_code>.
2872 (hash<error_code>::operator()): Use public member functions to access
2874 (hash<error_condition>::operator()): Use address of category, not
2875 its object representation.
2876 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
2877 Use public member functions to access value and category.
2878 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
2880 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
2882 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
2883 * include/bits/hashtable_policy.h
2884 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
2885 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
2886 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
2887 smaller than input value rather than always greater. Preserve
2888 _M_next_resize if called with 0 input. Use __builtin_floorl.
2889 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
2890 elements + number of insertions is greater than _M_next_resize. Start
2891 with 11 buckets if not told otherwise. Use __builtin_floorl.
2892 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
2893 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
2894 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
2895 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
2896 told otherwise. Use __builtin_floorl.
2897 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
2898 to also validate _Power2_rehash_policy.
2899 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
2902 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
2905 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
2909 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
2910 overflow warning with -Wpedantic -Wsystem-headers.
2912 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
2915 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
2916 * include/bits/move.h (swap): Remove extra parentheses.
2918 * include/experimental/bits/lfts_config.h: Improve doc markup.
2919 * include/experimental/optional: Improve docs.
2920 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
2921 (__constexpr_addressof): Remove.
2922 (optional::operator->()): Use std::__addressof().
2923 * include/std/optional (optional::operator->()): Adjust whitespace.
2924 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
2925 that operator-> is still constexpr with overloaded operator&. Change
2926 to compile-only test.
2927 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
2930 * include/bits/shared_ptr.h: Improve docs.
2931 * include/bits/shared_ptr_atomic.h: Likewise.
2932 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
2934 * include/bits/basic_string.h: Fix iterator/index confusion in
2936 * include/bits/range_access.h: Fix Doxygen warnings.
2937 * include/bits/refwrap.h: Do not document implementation details.
2938 (ref, cref): Group docs with reference_wrapper.
2939 * include/std/fstream: Fix Doxygen markup.
2940 * libsupc++/initializer_list (begin, end): Group docs with
2943 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
2945 * include/bits/unique_lock.h: Fix/improve doxygen markup.
2946 * include/std/mutex: Likewise.
2947 * include/std/shared_mutex: Likewise.
2949 * include/bits/fs_dir.h: Fix/improve doxygen markup.
2950 * include/bits/fs_fwd.h: Likewise.
2951 * include/bits/fs_ops.h: Likewise.
2952 * include/bits/fs_path.h: Likewise.
2953 * include/std/filesystem: Likewise.
2955 * include/experimental/bits/net.h: Fix/improve doxygen markup.
2956 * include/experimental/buffer: Likewise.
2957 * include/experimental/executor: Likewise.
2958 * include/experimental/internet: Likewise.
2959 * include/experimental/io_context: Likewise.
2960 * include/experimental/net: Likewise.
2961 * include/experimental/netfwd: Likewise.
2962 * include/experimental/socket: Likewise.
2963 * include/experimental/timer: Likewise.
2965 * doc/doxygen/doxygroups.cc: Move description of experimental group
2967 * include/experimental/algorithm: Add to libfund-ts doc group.
2968 * include/experimental/any: Likewise. Do not document implementation
2970 * include/experimental/array: Add to libfund-ts doc group.
2971 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
2972 for Library Fundamentals.
2973 * include/experimental/chrono: Add to libfund-ts doc group.
2974 * include/experimental/deque: Likewise.
2975 * include/experimental/forward_list: Likewise.
2976 * include/experimental/functional: Likewise.
2977 * include/experimental/iterator: Likewise.
2978 * include/experimental/list: Likewise.
2979 * include/experimental/map: Likewise.
2980 * include/experimental/memory: Likewise.
2981 * include/experimental/memory_resource: Likewise. Improve docs.
2983 * include/experimental/numeric: Add to libfund-ts doc group.
2984 * include/experimental/optional: Likewise.
2985 * include/experimental/propagate_const: Likewise.
2986 * include/experimental/random: Likewise.
2987 * include/experimental/ratio: Likewise.
2988 * include/experimental/regex: Likewise.
2989 * include/experimental/set: Likewise.
2990 * include/experimental/source_location: Likewise.
2991 * include/experimental/string: Likewise.
2992 * include/experimental/string_view: Likewise.
2993 * include/experimental/system_error: Likewise.
2994 * include/experimental/tuple: Likewise.
2995 * include/experimental/type_traits: Likewise.
2996 * include/experimental/unordered_map: Likewise.
2997 * include/experimental/unordered_set: Likewise.
2998 * include/experimental/utility: Likewise.
2999 * include/experimental/vector: Likewise.
3000 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
3001 * testsuite/experimental/array/neg.cc: Adjust dg-error.
3002 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
3004 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
3005 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
3006 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
3007 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
3008 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
3010 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
3011 * include/experimental/bits/fs_fwd.h: Improve docs.
3012 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
3013 * include/experimental/bits/fs_path.h: Likewise.
3014 (path, filesystem_error, u8path): Improve docs.
3015 * include/experimental/filesystem: Link to docs for TS.
3017 * config/allocator/new_allocator_base.h (__allocator_base): Add
3018 workaround for Doxygen bug #6945.
3019 * include/std/memory: Improve docs. Define group for pointer safety.
3020 * include/std/scoped_allocator: Improve docs. Use "undocumented"
3021 conditional to suppress documentation for implementation details.
3023 * include/bits/specfun.h: Improve docs.
3024 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
3027 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
3028 (std::experimental): Add docs.
3029 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
3030 namespace to nothing when generating docs.
3031 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
3032 * include/std/chrono (std::chrono): Likewise.
3033 * include/std/functional (std::placeholders): Likewise.
3034 * include/std/thread (std::this_thread): Likewise.
3036 * include/parallel/settings.h: Fix Doxygen markup.
3038 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
3039 anything unless PB_DS_CLASS_C_DEC is defined.
3040 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
3041 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
3042 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
3043 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
3044 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
3045 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
3046 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
3048 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
3049 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
3050 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
3051 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
3052 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
3053 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
3054 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
3055 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
3056 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
3057 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
3058 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
3060 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
3061 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
3063 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
3066 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
3067 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
3068 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
3071 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3073 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
3074 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
3075 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
3076 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
3077 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
3078 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3080 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
3081 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3084 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
3087 * include/std/complex (__complex_proj): Return parameter unchanged.
3088 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
3089 floating-point types to take std::complex arguments.
3090 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
3091 floating-point types.
3092 * testsuite/26_numerics/complex/proj.cc: New test.
3094 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3096 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
3097 to _Lock_policyE[012].
3098 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3100 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
3102 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
3103 macros accidentally left in.
3104 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
3105 unnecessary -lstdc++fs option. Fix test for mingw.
3106 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3109 2019-04-30 Jakub Jelinek <jakub@redhat.com>
3111 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
3113 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
3115 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
3117 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
3118 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
3121 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
3123 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
3126 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
3127 class template and partial specialization.
3130 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
3132 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
3133 functions to convert a value to an integral type.
3134 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
3135 (fill_n): Convert _Size parameter to an integral type.
3136 * testsuite/25_algorithms/fill_n/87982.cc: New test.
3137 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
3138 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
3139 * testsuite/25_algorithms/generate_n/87982.cc: New test.
3140 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
3141 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
3143 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
3145 Adding noexcept-specification on tuple constructors (LWG 2899)
3146 * libstdc++-v3/include/std/tuple:
3147 (tuple()): Add noexcept-specification.
3148 (tuple(const _Elements&...)): Likewise
3149 (tuple(_UElements&&...)): Likewise
3150 (tuple(const tuple<_UElements...>&)): Likewise
3151 (tuple(tuple<_UElements...>&&)): Likewise
3152 (tuple(const _T1&, const _T2&)): Likewise
3153 (tuple(_U1&&, _U2&&)): Likewise
3154 (tuple(const tuple<_U1, _U2>&): Likewise
3155 (tuple(tuple<_U1, _U2>&&): Likewise
3156 (tuple(const pair<_U1, _U2>&): Likewise
3157 (tuple(pair<_U1, _U2>&&): Likewise
3158 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
3160 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
3163 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
3164 arguments with __restrict.
3166 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
3168 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3170 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
3172 * include/experimental/bits/fs_path.h
3173 (path::_S_convert_loc<_InputIterator>): Create const std::string to
3174 avoid redundant call to _S_convert_loc with non-const pointers.
3176 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
3177 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
3178 * testsuite/21_strings/basic_string/hash/hash.cc
3179 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
3180 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
3181 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
3183 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
3184 wstring::_M_replace_dispatch with more specific patterns.
3185 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
3186 Create const std::string to avoid redundant call to _S_convert_loc
3187 with non-const pointers.
3188 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
3189 avoid unnecessary basic_string::assign instantiations.
3191 * include/std/memory (__uses_alloc_args): Add string-literal to
3192 static_assert, to match the one in __uses_alloc.
3193 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
3194 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
3195 for recursive uses-allocator construction of nested pairs.
3196 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
3199 2019-04-26 Jakub Jelinek <jakub@redhat.com>
3201 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3202 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3203 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
3204 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
3206 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3207 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3208 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
3209 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3210 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3211 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3212 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3214 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
3217 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
3218 * include/std/scoped_allocator [__cplusplus > 201703L]
3219 (scoped_allocator_adaptor::construct): Define in terms of
3220 uses_allocator_construction_args, as per P0591R4.
3221 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
3222 * testsuite/util/testsuite_allocator.h: Remove name of unused
3225 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
3227 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
3228 * doc/html/*: Regenerate.
3230 * include/bits/fs_path.h (operator<, operator<=, operator>)
3231 (operator>=, operator==, operator!=): Make hidden friends, as per
3233 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
3234 string type in test.
3235 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3237 * include/std/any (any::any(ValueType&&)): Use __and_v.
3238 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
3241 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
3243 * include/std/type_traits (__result_of_memfun): Use remove_reference
3244 instead of __remove_cvref_t and remove redundant is_same check.
3245 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
3247 * include/experimental/string_view (basic_string_view::pointer)
3248 (basic_string_view::reference): Fix to refer to non-const value_type.
3249 * include/bits/basic_string.h (basic_string): Use __sv_check and
3250 __sv_limit instead of basic_string_view::_M_check and
3251 basic_string_view::_M_limit.
3252 * include/std/string_view (__sv_check, __sv_limit): New
3253 helper functions to replace basic_string_view::_M_check and
3254 basic_string_view::_M_limit.
3255 (basic_string_view): Add static assertions to enforce ill-formed
3256 requirement for traits_type::char_type from P1148R0, and to enforce
3257 required properties of char-like types.
3258 (basic_string_view::pointer, basic_string_view::reference): Fix to
3259 refer to non-const value_type.
3260 (basic_string_view::operator[], basic_string_view::at)
3261 (basic_string_view::front, basic_string_view::back)
3262 (basic_string_view::data): Use const_reference and const_pointer
3263 typedefs for return types.
3264 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
3265 (hash<wstring_view>): Fix argument_type typedef.
3266 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3267 char/1.cc: Fix expected return type of basic_string_view::data().
3268 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3269 wchar_t/1.cc: Likewise.
3270 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3271 char/1.cc: Likewise.
3272 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3273 wchar_t/1.cc: Likewise.
3274 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
3276 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
3277 Check reference and pointer typedefs.
3278 * testsuite/experimental/string_view/requirements/typedefs.cc:
3280 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
3281 Fix expected return type of basic_string_view::data().
3282 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
3284 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
3286 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
3290 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
3291 Avoid a runtime check for types that can never be stored in std::any.
3292 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3295 PR libstdc++/90220 (partial)
3296 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
3297 not attempt ill-formed static_cast to pointers to non-object types.
3298 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3301 * testsuite/20_util/variant/run.cc: Catch exception by reference to
3302 prevent -Wcatch-value warning.
3304 * include/std/variant (__variant_construct): Use template parameter
3305 type instead of equivalent decltype-specifier.
3306 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
3307 Replace forward with move.
3308 (_Move_ctor_base<false, Types...>::_M_destructive_move)
3309 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
3310 (_Move_ctor_base<true, Types...>::_M_destructive_move)
3311 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
3312 index after construction succeeds.
3313 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
3314 if-constexpr checks that are always true. Use __remove_cvref_t instead
3315 of remove_reference so that is_nothrow_move_constructible check
3316 doesn't use a const rvalue parameter. In the potentially-throwing case
3317 construct a temporary and move assign it, as per LWG 2904.
3318 (_Move_assign_base<false, Types...>::operator=): Remove redundant
3319 if-constexpr checks that are always true. Use emplace as per LWG 2904.
3320 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
3321 construct a temporary and move assign from it, as per LWG 2904.
3322 * testsuite/20_util/variant/exception_safety.cc: Check that
3323 assignment operators have strong exception safety guarantee.
3325 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
3327 Document PSTL linker flags
3329 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
3331 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3333 * include/std/variant (__detail::__variant::_Traits): Make
3334 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
3335 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
3337 (__detail::__variant::_Copy_assign_alias): Only depend on
3338 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
3339 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
3340 move assignment operators.
3343 * include/std/variant (variant::__not_self): New helper for the
3344 is_same_v<remove_cvref_t<T>, variant>==false constraints.
3345 (variant::__to_type_impl): Remove.
3346 (variant::__to_type): Add default argument to check pack size, instead
3347 of using __to_type_impl.
3348 (variant::__accepted_type): Add default argument using __not_self.
3349 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
3350 for variant(T&&) constructor constraint.
3351 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
3352 Extract __accepted_type into a named template parameter for reuse in
3353 other constraints and in the exception specification.
3354 (variant::variant(in_place_type_t<T>, Args&&...))
3355 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
3356 (variant::variant(in_place_index_t<T>, Args&&...))
3357 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
3358 (variant::operator=T&&)): Remove redundant && from trait arguments.
3359 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
3360 isn't used for in_place_type or in_place_index arguments.
3362 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
3363 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
3364 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
3366 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3367 Bernd Edlinger <bernd.edlinger@hotmail.de>
3368 Jakub Jelinek <jakub@redhat.com>
3371 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
3372 general-regs-only target attribute for ARM.
3374 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3377 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
3378 specialization also depend on is_nothrow_move_constructible.
3379 * include/std/variant (__detail::__variant::__never_valueless()):
3380 Only true if the variant would have a move assignment operator.
3381 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
3382 Check __never_valueless<T...>().
3383 (variant::emplace): Only perform non-throwing move assignments
3384 for never-valueless alternatives if the variant has a move assignment
3386 * testsuite/20_util/variant/compile.cc: Check that never-valueless
3387 types can be emplaced into non-assignable variants.
3388 * testsuite/20_util/variant/run.cc: Check that never-valueless types
3389 don't get copied when emplaced into non-assignable variants.
3391 * include/std/variant (__detail::__variant::__ref_cast): Remove
3393 (__detail::__variant::_Uninitialized::_M_get)
3394 (__detail::__variant::__get)
3395 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
3397 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
3399 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
3401 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
3402 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
3403 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
3404 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
3406 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3408 Delegate PSTL configuration to pstl/pstl_config.h
3410 * include/bits/c++config: Remove explicit PSTL configuration
3411 macros and use definitions from <pstl/pstl_config.h>.
3413 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3415 Cleanup algorithm implementations
3416 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
3418 (mismatch): Forward execution policy.
3419 (equal): Qualify call to std::equal().
3420 (partial_sort): Forward execution policy.
3421 (inplace_merge): Forward execution policy.
3423 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
3425 Improve implementation of parallel equal()
3426 * include/pstl/algorithm_impl.h
3427 (__internal::__brick_equal): use "4 iterator" version of
3429 (__internal::__brick_equal): use simd for random access
3430 iterators on unsequenced execution policies.
3431 (__internal::__pattern_equal): add "4 iterator" version
3432 (__internal::__pattern_equal): dispatch to simd __brick_equal
3433 for vector-only execution policies.
3434 (__internal::__pattern_equal): dispatch to __parallel_or for
3435 parallel execution policies.
3436 * include/pstl/glue_algorithm_impl.h
3437 (std::equal): dispatch to "4 iterator" version of
3438 __internal::__pattern_equal().
3440 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
3443 * include/bits/forward_list.h (operator==): Do not use operator!= to
3445 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
3446 earlier in the list, so that sort is stable.
3447 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
3448 * testsuite/23_containers/forward_list/comparable.cc: Test with
3449 types that meet the minimum EqualityComparable and LessThanComparable
3450 requirements. Remove irrelevant comment.
3452 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
3453 Do not depend on whether all alternative types are move constructible.
3454 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
3455 from the operand when deciding whether to perform the assignment.
3456 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
3457 with deleted move constructor and deleted move assignment operator.
3458 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
3459 behaviour of variants with DeletedMoves as an alternative.
3460 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
3461 (move_ctor, move_assign): Check that moving a variant with a
3462 DeletedMoves alternative falls back to copying instead of moving.
3464 * testsuite/20_util/variant/compile.cc: Remove empty string literals
3465 from static_assert declarations.
3467 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
3468 actually match its name.
3469 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
3470 (test_swap()): Fix result for MoveCtorOnly and check
3471 MoveCtorAndSwapOnly.
3473 * include/std/optional (optional::value_or(U&&) &&): Add missing
3474 constexpr specifier.
3475 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
3476 for disengaged optionals and rvalue optionals.
3477 * testsuite/20_util/optional/observers/4.cc: Likewise.
3479 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
3481 * include/pstl/algorithm_impl.h: Uglify identfiers.
3482 * include/pstl/numeric_impl.h: Uglify identfiers.
3483 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
3485 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
3487 * include/bits/c++config:
3488 Add definition for __PSTL_ASSERT.
3489 Add definition for __PSTL_ASSERT_MSG.
3490 * include/pstl/algorithm_impl.h: Replace use of assert().
3491 * include/pstl/numeric_impl.h: Replace use of assert().
3492 * include/pstl/parallel_backend_tbb.h:
3493 Replace use of assert().
3494 Replace use of __TBB_ASSERT().
3495 * include/pstl/parallel_backend_utils.h: Replace use of assert().
3497 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
3500 * src/c++17/memory_resource.cc
3501 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
3502 needed to allow placing a _Chunk at the end of the buffer.
3503 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
3505 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
3507 * doc/xml/faq.xml: Add information about emergency EH pool.
3508 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
3509 Move outdated information on mt_allocator to a separate section.
3510 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
3511 doesn't affect the default allocator.
3513 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
3517 * testsuite/20_util/variant/89851.cc: New test.
3519 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
3521 * include/std/variant: Adjust whitespace. Add comments.
3522 (_Multi_array): Leave primary template undefined.
3523 (_Multi_array<_Tp>): Define partial specialization for base case of
3525 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
3526 which is always a reference.
3527 (__gen_vtable::_S_apply()): Remove function, inline body into
3528 default member initializer.
3529 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
3531 * include/std/variant (__variant_idx_cookie): Add member type.
3532 (__visitor_result_type): Remove.
3533 (__do_visit): Use invoke_result instead of __visitor_result_type.
3534 * testsuite/20_util/variant/visit.cc: New test.
3537 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
3539 * testsuite/20_util/variant/90008.cc: New test.
3541 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
3543 * include/pstl/algorithm_impl.h: Add namespace qualification.
3544 * include/pstl/execution_defs.h: Add namespace qualification.
3545 * include/pstl/execution_impl.h: Add namespace qualification.
3546 * include/pstl/numeric_impl.h: Add namespace qualification.
3547 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
3548 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
3549 * include/pstl/parallel_backend_utils.h: Include <cassert>.
3551 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
3553 Fix visit<R> for variant.
3554 * include/std/variant (__do_visit): Add a template parameter
3555 for enforcing same return types for visit.
3556 (__gen_vtable_impl): Likewise.
3557 (_S_apply_single_alt): Adjust.
3558 (__visit_invoke_impl): New. Handle casting to void.
3559 (__do_visit_invoke): New. Enforces same return types.
3560 (__do_visit_invoke_r): New. Converts return types.
3561 (__visit_invoke): Adjust.
3562 (__gen_vtable): Add a template parameter for enforcing
3563 same return types for visit.
3564 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
3565 different return types.
3566 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
3567 visitors with different return types don't accidentally
3568 compile with regular visitation.
3570 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
3572 * testsuite/27_io/filesystem/iterators/caching.cc: Add
3573 dg-require-filesystem-ts.
3575 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
3577 * doc/xml/manual/status_cxx2020.xml: Update status.
3578 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
3579 * testsuite/20_util/variant/visit_r.cc: New test.
3581 * include/bits/fs_dir.h (directory_iterator::operator*)
3582 (directory_iterator::operator->): Add noexcept.
3583 (operator==, operator!=): Replace namespace-scope equality operators
3584 for directory iterators with hidden friends.
3587 * config/abi/pre/gnu.ver: Add missing exports.
3588 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
3591 * config/abi/pre/gnu.ver: Export new symbols.
3592 * include/bits/fs_dir.h (recursive_directory_iterator::options())
3593 (recursive_directory_iterator::recursion_pending())
3594 (recursive_directory_iterator::disable_recursion_pending()): Remove
3595 inline definitions. Make noexcept.
3596 (recursive_directory_iterator::depth())
3597 (recursive_directory_iterator::operator*())
3598 (recursive_directory_iterator::operator->()): Make noexcept.
3599 (recursive_directory_iterator::_M_options)
3600 (recursive_directory_iterator::_M_pending): Remove data members.
3601 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
3602 (recursive_directory_iterator::recursive_directory_iterator): Remove
3603 ctor-initializer. Use new constructor for _Dir_stack.
3604 (recursive_directory_iterator::options())
3605 (recursive_directory_iterator::recursion_pending())
3606 (recursive_directory_iterator::disable_recursion_pending()): Add
3607 non-inline definitions.
3608 (recursive_directory_iterator::depth()): Make noexcept.
3609 (recursive_directory_iterator::increment(error_code&))
3610 (recursive_directory_iterator::pop(error_code&)): Adjust to new
3611 location of options and recursion_pending members.
3612 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
3613 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
3614 user-declared move constructor and assignment operator, to make the
3617 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
3618 d_type == DT_UNKNOWN immediately.
3619 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
3621 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
3623 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
3625 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
3626 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
3629 PR libstdc++/87431 (again)
3630 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
3631 Define partial specialization for basic_string.
3632 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
3633 shared_ptr and weak_ptr.
3634 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
3636 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
3638 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
3640 * include/debug/vector (_Never_valueless_alt): Likewise for debug
3642 * include/std/any (_Never_valueless_alt): Define explicit
3643 specialization for any.
3644 * include/std/variant (_Never_valueless_alt): Define primary template.
3645 (__never_valueless): Use _Never_valueless_alt instead of
3646 is_trivially_copyable.
3647 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
3648 initializations to avoid try-catch overhead. Add special case for
3649 scalars produced by potentially-throwing conversions. Use
3650 _Never_valueless_alt instead of is_trivially_copyable for the
3651 remaining strong exception-safety cases.
3652 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
3653 * testsuite/20_util/variant/87431.cc: Run both test functions.
3654 * testsuite/20_util/variant/exception_safety.cc: New test.
3655 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
3656 so the variant becomes valueless.
3658 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
3661 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
3663 (variant::emplace<_Tp>): Return result of emplace<N> directly.
3665 * include/std/string (__hash_string_base): New class template defining
3666 operator() for hashing strings.
3667 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
3668 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
3669 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
3670 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
3672 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
3674 Use single-visitation in variant assignment and swap and relops.
3675 Also use indices instead of types when checking whether
3676 variants hold the same thing.
3677 * include/std/variant (__do_visit): Add a template parameter
3678 for index visitation, invoke with indices if index visitation
3680 (__variant_idx_cookie): New.
3681 (__visit_with_index): Likewise.
3682 (_Copy_assign_base::operator=): Do single-visitation with
3684 (_Move_assign_base::operator=): Likewise.
3685 (_Extra_visit_slot_needed): Adjust.
3686 (__visit_invoke): Call with indices if it's an index visitor.
3687 (relops): Do single-visitation with an index visitor.
3689 (__visitor_result_type): New.
3691 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
3693 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
3695 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
3697 Don't revisit a variant we are already visiting.
3698 * include/std/variant (__variant_construct_single): New.
3699 (__variant_construct): Use it.
3700 (_M_destructive_move): Likewise.
3701 (_M_destructive_copy): Likewise.
3702 (_Copy_assign_base::operator=): Adjust.
3703 (_Move_assign_base::operator=): Likewise.
3706 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
3709 * include/bits/hashtable.h (_Hashtable): Move static assertions to
3710 destructor so they are not evaluated until the _Key type is complete.
3711 * include/bits/stl_tree.h (_Rb_tree): Likewise.
3712 * testsuite/23_containers/set/85965.cc: New test.
3713 * testsuite/23_containers/unordered_set/85965.cc: New test.
3714 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
3715 with regexp matching the corresponding _Rb_tree specialization.
3716 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
3717 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
3718 * testsuite/23_containers/set/48101_neg.cc: Likewise.
3719 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
3720 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
3721 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
3722 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
3724 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3727 Fix based on a suggestion by Antony Polukhin.
3728 * include/std/variant (__never_valueless): New.
3730 (_Extra_visit_slot_needed): New.
3731 (_Multi_array): Use it.
3732 (_S_apply_all_alts): Likewise.
3734 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3737 Fix based on a suggestion by Antony Polukhin.
3738 * include/std/variant (__gen_vtable): Don't reserve an
3739 additional table slot, _Multi_array already does that.
3741 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3744 Fix based on a suggestion by Antony Polukhin.
3745 * include/std/variant (__variant_construct): Capture a pointer
3746 to the storage and visit just one variant.
3748 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
3750 * doc/xml/manual/backwards_compatibility.xml: Remove link to
3751 Doxygen-generated pages with unstable URL.
3752 * doc/xml/manual/concurrency_extensions.xml: Likewise.
3753 * doc/xml/manual/extensions.xml: Likewise.
3754 * doc/xml/manual/parallel_mode.xml: Likewise.
3755 * doc/xml/manual/support.xml: Likewise.
3757 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
3758 avoid -Wconversion warnings.
3760 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
3762 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
3763 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
3764 (allstamped): Add stamp-pstl.
3765 (install-headers): Add ptsl_builddir.
3766 * include/Makefile.in: Regenerate.
3767 * include/bits/c++config: Add pstl configuration.
3768 * include/pstl/LICENSE.txt: New file.
3769 * include/pstl/algorithm_fwd.h: New file.
3770 * include/pstl/algorithm_impl.h: New file.
3771 * include/pstl/execution_defs.h: New file.
3772 * include/pstl/execution_impl.h: New file.
3773 * include/pstl/glue_algorithm_defs.h: New file.
3774 * include/pstl/glue_algorithm_impl.h: New file.
3775 * include/pstl/glue_execution_defs.h: New file.
3776 * include/pstl/glue_memory_defs.h: New file.
3777 * include/pstl/glue_memory_impl.h: New file.
3778 * include/pstl/glue_numeric_defs.h: New file.
3779 * include/pstl/glue_numeric_impl.h: New file.
3780 * include/pstl/memory_impl.h: New file.
3781 * include/pstl/numeric_fwd.h: New file.
3782 * include/pstl/numeric_impl.h: New file.
3783 * include/pstl/parallel_backend.h: New file.
3784 * include/pstl/parallel_backend_tbb.h: New file.
3785 * include/pstl/parallel_backend_utils.h: New file.
3786 * include/pstl/parallel_impl.h: New file.
3787 * include/pstl/pstl_config.h: New file.
3788 * include/pstl/unseq_backend_simd.h: New file.
3789 * include/pstl/utils.h: New file.
3790 * include/std/algorithm: Include parallel algorithm implementations.
3791 * include/std/execution: New file.
3792 * include/std/memory: Include parallel algorithm implementations.
3793 * include/std/numeric: Include parallel algorithm implementations.
3794 * include/std/version: Add parallel algorithms feature test macro.
3795 * testsuite/util/pstl/pstl_test_config.h: New file.
3796 * testsuite/util/pstl/test_utils.h: New file.
3797 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
3798 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
3799 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
3800 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
3801 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
3802 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
3803 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
3804 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
3805 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
3806 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
3807 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
3808 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
3809 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
3810 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
3811 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
3812 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
3813 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
3814 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
3815 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
3816 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
3817 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
3818 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
3819 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
3820 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
3821 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
3822 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
3823 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
3824 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
3825 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
3826 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
3827 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
3828 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
3829 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
3830 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
3831 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
3832 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
3833 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
3834 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
3835 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
3836 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
3837 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
3838 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
3839 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
3840 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
3841 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
3842 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
3843 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
3844 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
3845 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
3846 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
3847 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
3848 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
3849 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
3850 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
3851 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
3852 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
3853 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
3854 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
3855 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
3856 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
3857 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
3858 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
3859 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
3860 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
3861 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
3862 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
3863 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
3864 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
3865 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
3866 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
3867 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
3868 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
3869 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
3870 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
3871 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
3872 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
3873 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
3874 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
3875 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
3876 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
3877 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
3878 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
3879 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
3880 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
3881 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
3882 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
3883 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
3884 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
3885 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
3886 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
3887 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
3888 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
3889 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
3890 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
3891 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
3892 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
3893 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
3894 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
3895 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
3896 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
3897 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
3898 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
3899 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
3900 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
3901 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
3902 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
3904 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
3906 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
3907 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
3908 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
3909 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
3910 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
3911 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
3912 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
3913 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
3914 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
3915 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
3916 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
3917 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
3918 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
3919 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
3920 when the special functions IS is enabled, not for C++17.
3921 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
3923 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
3924 without checks for special functions in C++17.
3925 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
3929 * include/backward/hash_map: Use <> for includes not "".
3930 * include/backward/hash_set: Likewise.
3931 * include/backward/strstream: Likewise.
3932 * include/tr1/bessel_function.tcc: Likewise.
3933 * include/tr1/exp_integral.tcc: Likewise.
3934 * include/tr1/legendre_function.tcc: Likewise.
3935 * include/tr1/modified_bessel_func.tcc: Likewise.
3936 * include/tr1/riemann_zeta.tcc: Likewise.
3938 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
3940 * doc/xml/manual/allocator.xml: Link to table documenting evolution
3941 of extension allocators.
3942 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
3943 Document new headers in 7.2, 8.1 and 9.1 releases.
3944 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
3945 * doc/html/*: Regenerate.
3947 2019-03-12 John David Anglin <dave.anglin@bell.net>
3950 * testsuite/lib/libstdc++.exp: Locate libatomic.
3951 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
3952 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
3954 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
3955 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
3956 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
3957 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
3959 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
3962 * configure.ac: Check for sockatmark.
3963 * crossconfig.m4: Check for sockatmark.
3964 * config.h.in: Regenerate.
3965 * configure: Regenerate.
3966 * include/experimental/internet (address_v4::_S_hton): Rename
3967 overloaded functions to _S_hton_16 and _S_ntoh_16.
3968 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
3969 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
3970 * include/experimental/socket (basic_socket::at_mark): Check
3971 _GLIBCXX_HAVE_SOCKATMARK.
3973 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
3974 const variables instead of macros.
3977 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
3978 Use correct type for len_aligned.
3979 * testsuite/20_util/hash/89629.cc: New test.
3981 2019-03-11 Jakub Jelinek <jakub@redhat.com>
3984 * include/std/atomic (atomic<T>::store, atomic<T>::load,
3985 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
3986 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
3987 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
3988 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
3989 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
3990 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
3991 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
3992 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
3993 memory_order_seq_cst to int.
3995 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
3997 * doc/xml/manual/using.xml: Use link element instead of xref.
3998 * doc/html/*: Regenerate.
4000 * include/bits/fs_path.h (path::format): Add fixed underlying type.
4002 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
4005 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
4006 parameters in deduction guides.
4007 * include/debug/multimap.h (multimap): Likewise.
4008 * include/debug/set.h (multimap): Likewise.
4009 * include/debug/multiset.h (multimap): Likewise.
4010 * include/debug/unordered_map (unordered_map): Likewise.
4011 (unordered_multimap): Likewise.
4012 * include/debug/unordered_set (unordered_set): Likewise.
4013 (unordered_multiset): Likewise.
4016 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
4017 Invalidate all iterators in case of rehash.
4018 (unordered_multimap<>::_M_check_rehashed): Likewise.
4019 * include/debug/unordered_set
4020 (unordered_set<>::_M_check_rehashed): Likewise.
4021 (unordered_multiset<>::_M_check_rehashed): Likewise.
4022 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
4024 2019-03-07 Andreas Schwab <schwab@suse.de>
4026 * config/abi/post/riscv64-linux-gnu: New directory.
4027 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
4029 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
4031 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
4032 compile test to run. Fix typo.
4034 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
4035 * doc/html/*: Regenerate.
4037 P0356R5 Simplified partial function application
4038 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
4039 helpers for bind_front.
4040 (bind_front, __cpp_lib_bind_front): Define.
4041 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
4043 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4045 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
4046 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
4047 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
4048 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
4050 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
4052 PR libstdc++/86655 - std::assoc_legendre should not constrain
4053 the value of m (or x).
4054 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
4055 __sph_legendre): If degree > order Don't throw, return 0.
4056 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
4057 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
4058 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
4059 * testsuite/tr1/5_numerical_facilities/special_functions/
4060 02_assoc_legendre/pr86655.cc: New test.
4061 * testsuite/tr1/5_numerical_facilities/special_functions/
4062 22_sph_legendre/pr86655.cc: New test.
4064 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
4067 Also PR libstdc++/85517
4068 * include/std/variant (__do_visit): New.
4069 (__variant_cast): Likewise.
4070 (__variant_cookie): Likewise.
4071 (__erased_*): Remove.
4072 (_Variant_storage::_S_vtable): Likewise.
4073 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
4074 (_Variant_storage::__M_reset): Adjust.
4075 (__variant_construct): New.
4076 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
4077 __variant_construct.
4078 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
4079 (_Move_ctor_base::__M_destructive_copy): New.
4080 (_Move_ctor_base::__M_destructive_move): Adjust to use
4081 __variant_construct.
4082 (_Copy_assign_base::operator=): Adjust to use __do_visit.
4083 (_Copy_assign_alias): Adjust to check both copy assignment
4084 and copy construction for triviality.
4085 (_Move_assign_base::operator=): Adjust to use __do_visit.
4086 (_Multi_array): Add support for visitors that accept and return
4088 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
4089 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
4090 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
4091 a __variant_cookie temporary for a variant that is valueless and..
4092 (__gen_vtable_impl::__visit_invoke): ..adjust here.
4093 (__gen_vtable::_Array_type): Conditionally make space for
4094 the __variant_cookie visitor case.
4095 (__variant_construct_by_index): New.
4096 (get_if): Adjust to use std::addressof.
4097 (relops): Adjust to use __do_visit.
4098 (variant): Add __variant_cast and __variant_construct_by_index
4100 (variant::emplace): Use _M_reset() and __variant_construct_by_index
4101 instead of self-destruction.
4102 (variant::swap): Adjust to use __do_visit.
4103 (visit): Reimplement in terms of __do_visit.
4104 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
4105 * testsuite/20_util/variant/compile.cc: Adjust.
4106 * testsuite/20_util/variant/run.cc: Likewise.
4108 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
4110 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
4112 * testsuite/experimental/feat-char8_t.cc: Likewise.
4114 * include/std/type_traits [C++20] (is_bounded_array)
4115 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
4117 * testsuite/20_util/is_bounded_array/requirements/
4118 explicit_instantiation.cc: New test.
4119 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
4121 * testsuite/20_util/is_bounded_array/value.cc: New test.
4122 * testsuite/20_util/is_unbounded_array/requirements/
4123 explicit_instantiation.cc: New test.
4124 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
4126 * testsuite/20_util/is_unbounded_array/value.cc: New test.
4128 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
4130 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
4132 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
4134 * include/c_compatibility/math.h [C++20] (lerp): Add using
4136 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
4137 (__lerp): Define function template to implement lerp.
4138 (lerp(float, float, float), lerp(double, double, double))
4139 (lerp(long double, long double, long double)): Define for C++20.
4140 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
4141 (midpoint(T, T), midpoint(T*, T*)): Define.
4142 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
4143 * testsuite/26_numerics/lerp.cc: New test.
4144 * testsuite/26_numerics/midpoint/floating.cc: New test.
4145 * testsuite/26_numerics/midpoint/integral.cc: New test.
4146 * testsuite/26_numerics/midpoint/pointer.cc: New test.
4148 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
4150 PR libstdc++/88996 Implement P0439R0
4151 Make std::memory_order a scoped enumeration.
4152 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
4153 add variables for the old enumerators. Adjust calls.
4154 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
4155 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
4157 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
4159 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
4162 * include/std/memory_resource (polymorphic_allocator): Add default
4163 template argument for C++20.
4164 (polymorphic_allocator::allocate_bytes)
4165 (polymorphic_allocator::deallocate_bytes)
4166 (polymorphic_allocator::allocate_object)
4167 (polymorphic_allocator::deallocate_object)
4168 (polymorphic_allocator::new_object)
4169 (polymorphic_allocator::delete_object): New member functions for
4171 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
4174 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
4177 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
4180 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
4182 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
4183 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
4185 * include/std/memory (uses_allocator_construction_args): New set of
4186 overloaded functions.
4187 (make_obj_using_allocator, uninitialized_construct_using_allocator):
4189 * include/std/memory_resource (polymorphic_allocator::construct)
4190 [__cplusplus > 201703l]: Replace all overloads with a single function
4191 using uses_allocator_construction_args.
4192 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
4194 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
4196 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
4199 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
4200 stylesheet directories before check for xsltproc. Try to use
4201 xmlcatalog to find local stylesheet directory before trying hardcoded
4202 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
4203 check to look for the same stylesheet as doc/Makefile.am uses. Don't
4204 use xsltproc if xmlcatalog fails to find a local stylesheet.
4205 * configure.ac: Check for xmlcatalog.
4206 * Makefile.in: Regenerate.
4207 * configure: Likewise.
4208 * doc/Makefile.in: Likewise.
4209 * include/Makefile.in: Likewise.
4210 * libsupc++/Makefile.in: Likewise.
4211 * po/Makefile.in: Likewise.
4212 * python/Makefile.in: Likewise.
4213 * src/Makefile.in: Likewise.
4214 * src/c++11/Makefile.in: Likewise.
4215 * src/c++17/Makefile.in: Likewise.
4216 * src/c++98/Makefile.in: Likewise.
4217 * src/filesystem/Makefile.in: Likewise.
4218 * testsuite/Makefile.in: Likewise.
4220 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
4223 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
4224 container deduction guides.
4225 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
4226 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
4227 parameters in deduction guides.
4228 * include/bits/stl_multimap.h (multimap): Likewise.
4229 * include/bits/stl_multiset.h (multiset): Likewise.
4230 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
4231 * include/bits/stl_set.h (set): Likewise.
4232 * include/bits/stl_stack.h (stack): Likewise.
4233 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
4234 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
4235 constrain parameters in deduction guides.
4236 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
4238 * testsuite/23_containers/map/cons/deduction.cc: Test additional
4240 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
4241 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
4242 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
4243 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
4245 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
4247 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
4250 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
4251 to class template and partial specialization using void_t.
4252 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4254 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
4257 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
4258 copy and move members public.
4260 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
4262 * include/std/type_traits (__underlying_type_impl): New helper to
4263 make underlying_type SFINAE-friendly.
4264 (underlying_type): Derive from __underlying_type_impl.
4265 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
4269 * include/bits/char_traits.h (__constant_char_array): Check index is
4270 in range before dereferencing.
4271 (char_traits<char>::compare, char_traits<char>::find)
4272 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
4273 immediately if n is zero.
4274 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
4275 Remove workarounds for PR 67026.
4276 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
4278 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
4281 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4283 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
4284 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
4286 2019-02-22 Jakub Jelinek <jakub@redhat.com>
4289 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
4290 type to std::size_t and argument to type to long double.
4292 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4294 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
4295 * config/abi/post/sparc64-linux-gnu: New directory.
4296 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
4297 * config/abi/post/sparc64-linux-gnu/32: New directory.
4298 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
4300 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4302 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
4303 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
4306 2019-02-22 Tom Honermann <tom@honermann.net>
4308 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
4309 printers for u8string and u8string_view.
4311 2019-02-22 Tom Honermann <tom@honermann.net>
4313 * testsuite/18_support/byte/ops.cc: Validate
4314 std::to_integer<char8_t>, std::to_integer<char16_t>, and
4315 std::to_integer<char32_t>.
4316 * testsuite/18_support/numeric_limits/dr559.cc: Validate
4317 std::numeric_limits<char8_t>.
4318 * testsuite/18_support/numeric_limits/lowest.cc: Validate
4319 std::numeric_limits<char8_t>::lowest().
4320 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
4321 std::numeric_limits<char8_t>::max_digits10.
4322 * testsuite/18_support/type_info/fundamental.cc: Validate
4323 typeinfo for char8_t.
4324 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
4325 std::from_chars with char8_t.
4326 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
4327 Validate explicit instantiation of std::hash<char8_t>.
4328 * testsuite/20_util/is_integral/value.cc: Validate
4329 std::is_integral<char8_t>.
4330 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
4331 Validate std::make_signed<char8_t>.
4332 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
4333 Validate u8string construction from char8_t sources.
4334 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
4336 * testsuite/21_strings/basic_string_view/operations/compare/
4337 char/70483.cc: Validate substr operations on u8string_view.
4338 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
4339 the u8string_view typedef is defined.
4340 * testsuite/21_strings/char_traits/requirements/
4341 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
4343 * testsuite/21_strings/char_traits/requirements/
4344 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
4345 constexpr member functions.
4346 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
4347 that the u8string typedef is defined.
4348 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
4349 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
4350 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
4351 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
4353 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
4354 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
4356 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
4357 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
4358 Validate std::atomic<char8_t>::is_always_lock_free
4359 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
4360 Update line numbers.
4361 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
4363 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
4365 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
4366 Validate std::experimental::pmr::u8string.
4367 * testsuite/experimental/string_view/typedefs.cc: Validate that the
4368 u8string_view typedef is defined.
4369 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
4370 char32_t to the typelists.
4372 2019-02-22 Tom Honermann <tom@honermann.net>
4374 * include/ext/typelist.h: Constrain a partial specialization of
4375 typelist::detail::append_ to only match chain<T1,T2>.
4377 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4380 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
4381 class template with class. Replace move and copy member types with
4382 member alias templates, so they are only instantiated when needed.
4383 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4384 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
4385 test for C++11/14/17 as well.
4386 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
4389 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4392 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
4393 _GLIBCXX_PURE to the alias declaration.
4395 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
4397 * testsuite/21_strings/basic_string/literals/types.cc
4398 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
4399 * testsuite/21_strings/basic_string/literals/values.cc
4400 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4401 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
4402 potentially having different type.
4403 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
4404 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
4406 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
4407 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
4408 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
4409 string literals only using basic character set.
4410 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
4411 u8 literals to char.
4412 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
4413 Test ATOMIC_CHAR8_T_LOCK_FREE.
4414 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
4415 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
4416 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
4417 * testsuite/experimental/string_view/literals/types.cc
4418 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
4420 * testsuite/experimental/string_view/literals/values.cc
4421 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4423 2019-02-19 Tom Honermann <tom@honermann.net>
4425 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
4426 from char16_32_t.cc; validates numeric_limits<char8_t>.
4427 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
4428 test cloned from types.cc; validates operator""s for char8_t
4430 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
4431 test cloned from values.cc; validates construction and comparison
4433 * testsuite/21_strings/basic_string/requirements/
4434 /explicit_instantiation/char8_t/1.cc: New test cloned from
4435 char16_t/1.cc; validates explicit instantiation of
4436 basic_string<char8_t>.
4437 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
4438 New test cloned from types.cc; validates operator""sv for char8_t
4439 returns u8string_view.
4440 * testsuite/21_strings/basic_string_view/literals/
4441 values-char8_t.cc: New test cloned from values.cc; validates
4442 construction and comparison of u8string_view values.
4443 * testsuite/21_strings/basic_string_view/requirements/
4444 explicit_instantiation/char8_t/1.cc: New test cloned from
4445 char16_t/1.cc; validates explicit instantiation of
4446 basic_string_view<char8_t>.
4447 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
4448 New test cloned from char16_t/65049.cc; validates that
4449 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
4450 * testsuite/21_strings/char_traits/requirements/char8_t/
4451 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
4452 that char_traits<char8_t> member typedefs are present and correct.
4453 * testsuite/21_strings/char_traits/requirements/
4454 explicit_instantiation/char8_t/1.cc: New test cloned from
4455 char16_t/1.cc; validates explicit instantiation of
4456 char_traits<char8_t>.
4457 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
4458 from char16_t.cc: validates
4459 codecvt<char16_t, char8_t, mbstate_t>.
4460 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
4461 from char32_t.cc: validates
4462 codecvt<char32_t, char8_t, mbstate_t>.
4463 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
4464 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
4465 codecvt<char32_t, char8_t, std::mbstate_t>.
4466 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
4467 test cloned from string.cc; validates filesystem::path construction
4469 * testsuite/experimental/feat-char8_t.cc: New test; validates that
4470 the __cpp_lib_char8_t feature test macro is defined with the
4472 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
4473 New test cloned from string.cc; validates filesystem::path
4474 construction from char8_t input.
4475 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
4476 test cloned from types.cc; validates operator""sv for char8_t
4477 returns u8string_view.
4478 * testsuite/experimental/string_view/literals/values-char8_t.cc:
4479 New test cloned from values.cc; validates construction and
4480 comparison of u8string_view values.
4481 * testsuite/experimental/string_view/requirements/
4482 explicit_instantiation/char8_t/1.cc: New test cloned from
4483 char16_t/1.cc; validates explicit instantiation of
4484 basic_string_view<char8_t>.
4485 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
4486 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
4489 2019-02-19 Tom Honermann <tom@honermann.net>
4491 P0482R5 char8_t: Standard library support
4492 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
4493 typeinfo symbols for char8_t.
4494 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
4495 (GLIBCXX_3.4.26): Add symbols for specializations of
4496 numeric_limits and codecvt that involve char8_t.
4497 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
4498 * include/bits/atomic_base.h: Add atomic_char8_t.
4499 * include/bits/basic_string.h: Add std::hash<u8string> and
4500 operator""s(const char8_t*, size_t).
4501 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
4503 * include/bits/char_traits.h: Add char_traits<char8_t>.
4504 * include/bits/codecvt.h: Add
4505 codecvt<char16_t, char8_t, mbstate_t>,
4506 codecvt<char32_t, char8_t, mbstate_t>,
4507 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4508 codecvt_byname<char32_t, char8_t, mbstate_t>.
4509 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
4510 recognize char8_t as an integral type.
4511 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
4513 (path::u8string): Return std::u8string when char8_t support is
4515 (path::generic_u8string): Likewise.
4516 (path::_S_convert): Handle conversion from char8_t input.
4517 (path::_S_str_convert): Likewise.
4518 * include/bits/functional_hash.h: Add hash<char8_t>.
4519 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
4521 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
4522 for new char8_t specializations.
4523 * include/bits/localefwd.h: Add missing declarations of
4524 codecvt<char16_t, char, mbstate_t> and
4525 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
4526 codecvt<char16_t, char8_t, mbstate_t> and
4527 codecvt<char32_t, char8_t, mbstate_t>.
4528 * include/bits/postypes.h: Add u8streampos
4529 * include/bits/stringfwd.h: Add declarations of
4530 char_traits<char8_t> and u8string.
4531 * include/c_global/cstddef: Add __byte_operand<char8_t>.
4532 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4534 (path::u8string): Return std::u8string when char8_t support is
4536 (path::generic_u8string): Likewise.
4537 (path::_S_convert): Handle conversion from char8_t input.
4538 (path::_S_str_convert): Likewise.
4539 * include/experimental/string: Add u8string.
4540 * include/experimental/string_view: Add u8string_view,
4541 hash<experimental::u8string_view>, and
4542 operator""sv(const char8_t*, size_t).
4543 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
4544 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
4545 as a character type.
4546 * include/std/limits: Add numeric_limits<char8_t>.
4547 * include/std/string_view: Add u8string_view,
4548 hash<experimental::u8string_view>, and
4549 operator""sv(const char8_t*, size_t).
4550 * include/std/type_traits: Add __is_integral_helper<char8_t>,
4551 __make_unsigned<char8_t>, and __make_signed<char8_t>.
4552 * libsupc++/atomic_lockfree_defines.h: Define
4553 ATOMIC_CHAR8_T_LOCK_FREE.
4554 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
4555 codecvt.cc and limits.cc so that char8_t specializations of
4556 numeric_limits and codecvt and emitted.
4557 * src/c++11/Makefile.in: Likewise.
4558 * src/c++11/codecvt.cc: Define members of
4559 codecvt<char16_t, char8_t, mbstate_t>,
4560 codecvt<char32_t, char8_t, mbstate_t>,
4561 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4562 codecvt_byname<char32_t, char8_t, mbstate_t>.
4563 * src/c++11/limits.cc: Define members of
4564 numeric_limits<char8_t>.
4565 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
4566 locale_init.cc and localename.cc.
4567 * src/c++98/Makefile.in: Likewise.
4568 * src/c++98/locale_init.cc: Add initialization for the
4569 codecvt<char16_t, char8_t, mbstate_t> and
4570 codecvt<char32_t, char8_t, mbstate_t> facets.
4571 * src/c++98/localename.cc: Likewise.
4572 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
4574 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
4576 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
4577 * 27_io/filesystem/operations/resize_file.cc: Likewise.
4578 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
4580 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
4582 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
4583 * doc/html/*: Regenerate.
4585 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
4586 * doc/html/*: Regenerate.
4588 * doc/xml/manual/intro.xml: Document LWG 2586 status.
4589 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
4590 allocator type in is_constructible checks.
4591 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
4592 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
4593 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
4594 problematic type from LWG 2586 discussion.
4595 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
4596 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
4598 * configure.ac: Check for C11 timespec_get function.
4599 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
4601 * config.h.in: Regenerate.
4602 * configure: Regenerate.
4603 * include/c_global/ctime (timespec, timespec_get): Add to namespace
4604 std for C++17 and up.
4606 * doc/xml/manual/intro.xml: Document LWG 2537 status.
4607 * include/bits/stl_queue.h
4608 (priority_queue(const Compare&, const Container&, const Alloc&))
4609 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
4611 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
4613 * doc/xml/manual/intro.xml: Document LWG 2566 status.
4614 * include/bits/stl_queue.h (queue, priority_queue): Add static
4615 assertions to enforce LWG 2566 requirement on value_type.
4616 * include/bits/stl_stack.h (stack): Likewise.
4619 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
4621 * doc/xml/manual/intro.xml: Document LWG 2735 status.
4622 * include/bits/std_abs.h: Add comment about LWG 2735.
4623 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
4625 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
4628 * include/std/version [__cpp_impl_destroying_delete]
4629 (__cpp_lib_destroying_delete): Only define for C++2a and later.
4630 * libsupc++/new [__cpp_impl_destroying_delete]
4631 (__cpp_lib_destroying_delete): Likewise.
4632 (destroying_delete_t, destroying_delete): Likewise, but define even
4633 when __cpp_impl_destroying_delete is not defined.
4634 * testsuite/18_support/destroying_delete.cc: New test.
4636 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
4639 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
4640 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
4641 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
4642 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
4644 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
4647 * include/bits/fs_path.h (path::has_root_name)
4648 (path::has_root_directory, path::has_root_path)
4649 (path::has_relative_path, path::has_parent_path)
4650 (path::has_filename, path::has_stem, path::has_extension)
4651 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
4653 * src/c++17/fs_path.cc (path::has_root_name)
4654 (path::has_root_directory, path::has_root_path)
4655 (path::has_relative_path, path::has_parent_path)
4656 (path::has_filename, path::_M_find_extension): Add noexcept.
4658 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
4660 PR libstdc++/89102 (partial)
4661 * include/std/type_traits (common_type<>): Define.
4662 (common_type<T>): Derive from common_type<T, T>.
4663 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
4664 Test zero-length template argument list.
4665 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
4666 Test additional single argument cases.
4667 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
4668 Adjust expected error.
4670 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
4673 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
4675 * include/bits/stl_stack.h (stack): Likewise.
4676 * testsuite/23_containers/priority_queue/deduction.cc: New test.
4677 * testsuite/23_containers/queue/deduction.cc: New test.
4678 * testsuite/23_containers/stack/deduction.cc: New test.
4681 * include/std/type_traits (__is_convertible_helper)
4682 (__is_convertible_helper<_From, _To, false>): Revert changes to
4683 support is_nothrow_convertible.
4684 (__is_nt_convertible_helper): New helper.
4685 (is_nothrow_convertible): Use __is_nt_convertible_helper.
4687 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
4688 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
4691 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
4692 __is_alloc_insertable_impl. Replace single type member with two
4693 members, one for each of copy and move insertable.
4694 (__is_move_insertable): New trait for internal use.
4695 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
4696 (vector::_S_nothrow_relocate(true_type)): New functions to
4697 conditionally check if __relocate_a can throw.
4698 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
4699 on __is_move_insertable.
4700 (vector::_S_do_relocate): New overloaded functions to conditionally
4702 (vector::_S_relocate): New function that dispatches to _S_do_relocate
4703 based on _S_use_relocate.
4704 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4705 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
4706 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
4709 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
4710 parameter unnamed. Add message to static assertion.
4711 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4712 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
4715 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
4718 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
4720 (__is_bitwise_relocatable): ... to this.
4721 (__relocate_a_1): Adapt.
4722 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
4723 (__is_bitwise_relocatable): ... to this.
4725 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
4728 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
4729 final component as well as from _M_pathname. Append the dot using
4730 operator+= instead of only to _M_pathname.
4731 (path::_M_find_extension): Reformat slightly.
4732 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4733 Add more test cases.
4735 2019-01-30 Ulrich Drepper <drepper@redhat.com>
4737 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
4739 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
4741 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
4742 constexpr specifiers from arg and proj.
4744 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
4745 __shared_ptr instantiations used by gcc4-compatible ABI.
4747 * include/experimental/forward_list (experimental::erase): Qualify
4749 * include/experimental/list (experimental::erase): Likewise.
4750 * include/std/forward_list (std::erase): Likewise.
4751 * include/std/list (std::erase): Likewise.
4753 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
4755 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
4756 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
4757 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
4758 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
4759 * testsuite/ext/array_allocator/26875.cc: Likewise.
4760 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
4761 * testsuite/util/replacement_memory_operators.h: Likewise.
4762 * testsuite/util/testsuite_allocator.h: Likewise.
4764 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
4765 normal mode vector, even for debug mode.
4766 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
4767 Define alias template for normal mode vector.
4769 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
4772 * config/locale/generic/c_locale.h (__convert_from_v)
4773 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4774 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4775 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
4776 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4778 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
4781 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
4782 data member with static member function _S_use_relocate().
4783 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4784 (vector::_M_default_append): Use _S_use_relocate() instead of
4787 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
4790 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
4793 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
4794 write to stderr instead of using printf.
4796 2019-01-21 Jakub Jelinek <jakub@redhat.com>
4799 * include/bits/char_traits.h (__constant_string_p,
4800 __constant_char_array_p): Use __builtin_is_constant_evaluated if
4803 2019-01-20 Ulrich Drepper <drepper@redhat.com>
4805 Implement C++20 P0600r1.
4806 * include/backward/hash_map: Add nodiscard attribute to empty.
4807 * include/backward/hash_set: Likewise.
4808 * backward/hashtable.h: Likewise.
4809 * include/bits/basic_string.h: Likewise.
4810 * include/bits/forward_list.h: Likewise.
4811 * include/bits/hashtable.h: Likewise.
4812 * include/bits/regex.h: Likewise.
4813 * include/bits/stl_deque.h: Likewise.
4814 * include/bits/stl_list.h: Likewise.
4815 * include/bits/stl_map.h: Likewise.
4816 * include/bits/stl_multimap.h: Likewise.
4817 * include/bits/stl_multiset.h: Likewise.
4818 * include/bits/stl_queue.h: Likewise.
4819 * include/bits/stl_set.h: Likewise.
4820 * include/bits/stl_stack.h: Likewise.
4821 * include/bits/stl_tree.h: Likewise.
4822 * include/bits/stl_vector.h: Likewise.
4823 * include/bits/unordered_map.h: Likewise.
4824 * include/bits/unordered_set.h: Likewise.
4825 * include/debug/array: Likewise.
4826 * include/experimental/any: Likewise.
4827 * include/experimental/bits/fs_path.h: Likewise.
4828 * include/experimental/internet: Likewise.
4829 * include/experimental/string_view: Likewise.
4830 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
4832 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
4834 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
4836 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
4838 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
4840 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
4842 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
4844 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
4846 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
4847 info_fn_imps.hpp: Likewise.
4848 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
4849 left_child_next_sibling_heap_.hpp: Likewise.
4850 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
4852 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
4854 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
4856 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
4858 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
4860 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
4862 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
4864 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
4865 * include/ext/pb_ds/trie_policy.hpp: Likewise.
4866 * include/ext/rope: Likewise.
4867 * include/ext/slist: Likewise.
4868 * include/ext/vstring.h: Likewise.
4869 * include/profile/array: Likewise.
4870 * include/std/array: Likewise.
4871 * include/tr1/array: Likewise.
4872 * include/tr1/hashtable.h: Likewise.
4873 * include/tr1/regex: Likewise.
4874 * include/tr2/dynamic_bitset: Likewise.
4875 * include/bits/alloc_traits.h: Add nodiscard attribute to
4877 * include/experimental/memory_resource: Likewise.
4878 * include/ext/alloc_traits.h: Likewise.
4879 * include/ext/array_allocator.h: Likewise.
4880 * include/ext/bitmap_allocator.h: Likewise.
4881 * include/ext/debug_allocator.h: Likewise.
4882 * include/ext/extptr_allocator.h: Likewise.
4883 * include/ext/mt_allocator.h: Likewise.
4884 * include/ext/new_allocator.h: Likewise.
4885 * include/ext/pool_allocator.h: Likewise.
4886 * include/ext/throw_allocator.h: Likewise.
4887 * include/std/scoped_allocator: Likewise.
4888 * libsupc++/eh_alloc.cc: Likewise.
4889 * include/std/future: Add nodiscard attribute to async.
4890 * libsupc++/new: Add nodiscard attribute to new.
4892 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
4897 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
4898 * include/bits/shared_ptr.h
4899 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
4900 (allocate_shared): Change to use new tag type.
4901 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
4902 Declare new member function.
4903 (_Sp_alloc_shared_tag): Define new type.
4904 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
4905 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
4906 _Sp_make_shared_tag::_S_eq to check type_info.
4907 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
4908 Constrain to prevent being called with _Sp_alloc_shared_tag.
4909 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
4910 Replace constructor with ...
4911 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
4912 reference parameter so address of the new object can be returned to
4913 the caller. Obtain the allocator from the tag type.
4914 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
4915 constructor with ...
4916 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
4917 to the __shared_count constructor.
4918 (__allocate_shared): Change to use new tag type.
4919 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
4921 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
4923 * src/c++17/fs_ops.cc
4924 (equivalent(const path&, const path&, error_code&))
4925 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
4926 compare files instead of relying on incomplete info returned by stat.
4929 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
4930 if the path is already absolute.
4931 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
4932 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
4935 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
4936 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
4937 of filesystem::exists.
4938 (create_directories(const path&, error_code&)): Add assertions.
4939 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
4940 Add workaround for bug in _wstat for paths with trailing slash.
4941 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
4942 for expected behaviour on mingw.
4943 * testsuite/experimental/filesystem/operations/create_directories.cc:
4945 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
4946 "TMP" instead of "TMPDIR" and clean environment before each test. Do
4947 not test permissions on mingw targets.
4949 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
4951 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
4952 constructors and open members taking wide strings. Fix patterns for
4953 filesystem::path members to match wstring_view parameters. Add
4954 exports for shared_ptr members used by directory iterators.
4955 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
4956 error code parameter if the file doesn't exist.
4957 * src/filesystem/ops.cc (remove(const path&, error_code&)):
4959 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
4960 values for mingw targets, where "/" is not an absolute path. Do not
4961 test symlinks on mingw targets.
4962 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
4963 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
4965 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
4966 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
4967 that each component of the path is created.
4968 * testsuite/experimental/filesystem/operations/create_directories.cc:
4970 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
4971 permissions on mingw targets.
4972 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
4973 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
4974 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
4975 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
4977 * testsuite/experimental/filesystem/operations/permissions.cc:
4979 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
4980 symlinks or permissions on mingw targets.
4981 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
4982 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
4983 symlinks on mingw targets.
4984 * testsuite/experimental/filesystem/operations/remove_all.cc:
4986 * testsuite/27_io/filesystem/operations/status.cc: Do not test
4987 permissions on mingw targets.
4988 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
4989 test symlinks on mingw targets.
4990 * testsuite/experimental/filesystem/operations/space.cc: Fix test
4993 2019-02-14 Ulrich Drepper <drepper@redhat.com>
4996 Warn about unused comparisons of shared_ptr/unique_ptr
4997 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
4998 * include/bits/shared_ptr.h: Use it for operator ==, !=,
4999 <, <=, >, >= for shared_ptr.
5000 * include/bits/unique_ptr.h: Likewise for unique_ptr.
5002 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
5004 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
5005 as 201611L, because P0497R0 changes are supported.
5006 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
5008 * include/bits/erase_if.h [__cplusplus > 201703L]
5009 (__cpp_lib_erase_if): Only define for C++2a.
5010 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5011 (__cpp_lib_null_iterators): Define.
5012 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
5013 (__cpp_lib_null_iterators): Define.
5014 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
5016 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
5018 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
5020 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
5021 changes are supported.
5022 * include/std/optional (__cpp_lib_optional): Likewise.
5023 * include/std/variant (__cpp_lib_variant): Likewise.
5024 * include/std/version [!__STRICT_ANSI__]
5025 (__cpp_lib_uncaught_exceptions): Define as long integer.
5026 [__cplusplus >= 201703L] (__cpp_lib_any)
5027 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
5028 (__cpp_lib_variant): Define for C++17.
5029 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
5031 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
5034 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
5036 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
5040 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
5042 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
5045 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5047 * doc/xml/manual/intro.xml: Include new section.
5048 * doc/xml/manual/status_cxx2017.xml: Document more
5049 implementation-defined properties of the library.
5050 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
5051 * doc/html/*: Regenerate.
5053 * include/bits/refwrap.h [__cplusplus > 201703L]
5054 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
5055 (_Reference_wrapper_base_memfun): Do not define for C++2a.
5056 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
5058 (reference_wrapper::operator()): Add static assertion.
5059 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
5061 * include/std/chrono (duration_values::zero(), duration_values::min())
5062 (duration_values::max()): Add noexcept.
5063 (duration::zero(), duration::min(), duration::max()): Likewise.
5064 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
5065 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
5066 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
5068 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
5070 2019-01-11 Jakub Jelinek <jakub@redhat.com>
5072 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
5073 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
5075 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
5078 * include/bits/functional_hash.h (hash<nullptr_t>): Define
5079 specialization for C++17 (P0513R0, LWG 2817).
5080 * testsuite/20_util/hash/nullptr.cc: New test.
5083 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
5084 pattern for std::basic_stringbuf::str().
5086 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
5087 basic_ostream::operator<< patterns.
5089 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5091 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
5092 test failures on targets with 32-bit time_t.
5094 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
5095 * include/std/deque: Likewise.
5096 * include/std/forward_list: Likewise.
5097 * include/std/list: Likewise.
5098 * include/std/string: Likewise.
5099 * include/std/vector: Likewise.
5100 * include/std/version: Likewise.
5101 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
5102 * testsuite/23_containers/deque/erasure.cc: Likewise.
5103 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
5104 * testsuite/23_containers/list/erasure.cc: Likewise.
5105 * testsuite/23_containers/map/erasure.cc: Likewise.
5106 * testsuite/23_containers/set/erasure.cc: Likewise.
5107 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
5108 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
5109 * testsuite/23_containers/vector/erasure.cc: Likewise.
5111 * include/experimental/internet [AI_NUMERICSERV]
5112 (resolver_base::numeric_service): Define conditionally.
5113 * testsuite/experimental/net/internet/resolver/base.cc: Test it
5115 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
5118 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
5119 Jonathan Wakely <jwakely@redhat.com>
5122 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
5123 (GLIBCXX_3.4.26): Add new exports.
5124 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
5125 correct list of sources.
5126 * include/Makefile.in: Regenerate.
5127 * include/std/ostream (operator<<(nullptr_t)): New member function.
5128 * src/c++17/ostream-inst.cc: New file.
5129 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
5132 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
5134 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
5135 of the source file containing the caller.
5136 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
5137 directories created by test.
5138 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5140 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5142 * testsuite/experimental/filesystem/iterators/
5143 recursive_directory_iterator.cc: Likewise.
5145 2019-01-10 Jakub Jelinek <jakub@redhat.com>
5147 PR tree-optimization/88775
5148 * include/bits/stl_function.h (greater<_Tp*>::operator(),
5149 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
5150 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
5151 instead of __builtin_constant_p if available. Don't bother with
5152 the pointer comparison in C++11 and earlier.
5154 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
5158 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
5161 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
5163 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
5164 for filesystem::path. Give variables more distinctive names.
5166 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
5167 member function to perform non-trivial assignment.
5168 (_Optional_payload_base::_M_move_assign): Likewise.
5169 (_Optional_payload<T, true, false, true>::operator=)
5170 (_Optional_payload<T, true, true, false>::operator=)
5171 (_Optional_payload<T, true, false, false>::operator=): Call
5172 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
5175 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
5176 test std::complex<long double> if long double format is IBM128.
5177 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
5180 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5182 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
5183 for old std::unique_ptr layout.
5184 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
5185 to become valueless. Add filesystem::path tests.
5188 * include/std/optional (_Optional_payload_base): New class template
5189 for common code hoisted from _Optional_payload specializations. Use
5190 a template for the union, to allow a partial specialization for
5191 types with non-trivial destructors. Add constructors for in-place
5192 initialization to the union.
5193 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
5194 to perform non-trivial copy construction, instead of relying on
5195 non-standard copy elision in a delegating constructor.
5196 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
5197 non-trivial move construction.
5198 (_Optional_payload): Derive from _Optional_payload_base and use it
5199 for everything except the non-trivial assignment operators, which are
5201 (_Optional_payload<false, C, M>): Derive from the specialization
5202 _Optional_payload<true, false, false> and add a destructor.
5203 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
5204 Forward to corresponding members of _Optional_payload.
5205 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
5206 Hoist common members from _Optional_base.
5207 (_Optional_base): Make all members and base class public.
5208 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
5209 _Optional_base_impl.
5210 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
5211 support for new std::optional layout.
5212 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
5215 * include/bits/locale_conv.h: Use <> for includes not "".
5216 * include/ext/random: Likewise.
5217 * include/ext/vstring.h: Likewise.
5219 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5221 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
5222 (GLIBCXX_3.4.21): Likewise.
5224 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5227 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
5228 to match the one that controls whether utimbuf and utime are declared.
5230 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
5233 * include/bits/char_traits.h (char_traits::move): Do not pass null
5234 pointers to memmove.
5235 * include/bits/locale_facets.h
5236 (ctype<char>::widen(const char*, const char*, char*)): Do not
5237 pass null pointers to memcpy.
5238 (ctype<char>::narrow(const char*, const char*, char, char*)):
5240 (ctype<char>::do_widen(const char*, const char*, char*)):
5242 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
5245 * doc/xml/manual/spine.xml: Update copyright years.
5246 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
5247 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
5248 for C++17 filesystem library.
5249 * doc/html/*: Regenerate.
5251 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
5252 * config.h.in: Regenerate.
5253 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
5254 alphabetically and add missing entries for copy_symlink,
5255 hard_link_count, rename, and resize_file.
5256 * configure: Regenerate.
5257 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
5258 used unconditionally.
5259 * src/filesystem/ops-common.h (__gnu_posix::truncate)
5260 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
5261 supports truncating to zero length.
5262 * testsuite/27_io/filesystem/operations/all.cc: New test.
5263 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
5265 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
5268 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
5269 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
5270 * config.h.in: Regenerate.
5271 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
5272 remaining std::filesystem types and functions.
5273 * configure: Regenerate.
5274 * src/c++17/Makefile.am: Add C++17 filesystem sources.
5275 * src/c++17/Makefile.in: Regenerate.
5276 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
5277 here, and change name of included file.
5278 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
5279 here, and change name of included file.
5280 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
5281 path to dir-common.h.
5282 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
5283 path to ops-common.h. Disable -Wunused-parameter warnings.
5284 (internal_file_clock): Define unconditionally.
5285 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
5287 (do_copy_file, do_space): Move definitions to ops.common.h.
5288 (copy, file_size, hard_link_count, last_write_time, space): Only
5289 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
5291 (last_write_time, read_symlink): Remove unused attributes from
5293 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
5294 * src/filesystem/Makefile.in: Regenerate.
5295 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
5296 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
5297 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
5298 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
5299 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
5300 dummy types and functions instead of using #error.
5301 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
5302 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
5304 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
5305 (do_copy_file, do_space): Move definitions here from std-ops.cc.
5306 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
5307 to account for new namespace.
5308 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
5309 -lstdc++fs from dg-options.
5310 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
5311 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
5312 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
5313 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
5314 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
5316 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
5317 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5319 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
5320 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
5321 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
5322 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
5323 * testsuite/27_io/filesystem/operations/create_directories.cc:
5325 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
5326 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
5327 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
5328 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
5329 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
5330 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
5331 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5332 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
5333 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
5334 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
5335 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
5336 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
5337 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
5338 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
5339 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
5340 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
5341 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
5342 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
5344 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
5348 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
5349 typeinfo and vtables less greedy.
5350 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
5351 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
5352 * src/c++17/Makefile.in: Regenerate.
5353 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
5354 here, and change name of included file.
5355 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
5356 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
5358 * src/filesystem/Makefile.in: Regenerate.
5359 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
5360 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
5361 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
5362 from dg-options and remove dg-require-filesystem-ts.
5363 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
5364 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
5365 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
5366 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
5367 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
5368 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
5369 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
5370 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
5371 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
5372 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
5373 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
5374 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
5375 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
5376 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
5377 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
5378 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
5379 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
5380 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
5381 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
5382 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
5383 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
5385 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
5386 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
5387 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
5388 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
5389 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
5390 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
5391 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
5392 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
5393 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
5394 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
5395 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
5396 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
5398 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
5400 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5402 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
5404 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
5405 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
5406 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
5407 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
5408 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
5409 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
5410 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
5411 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
5412 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
5413 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
5415 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
5416 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
5417 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
5418 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
5419 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
5422 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
5423 Check is_trivially_copyable instead of is_scalar.
5424 (variant::emplace<N, Args>(Args&&...)): If construction of the new
5425 contained value can throw and its type is trivially copyable then
5426 construct into a temporary variant and move from it, to provide the
5427 strong exception safety guarantee.
5428 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
5430 * testsuite/20_util/variant/87431.cc: New test.
5431 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
5432 conversion causes valueless state.
5435 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
5436 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
5437 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
5438 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
5439 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
5441 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
5443 * include/bits/fs_fwd.h (__file_clock): Define new clock.
5444 (file_time_type): Redefine in terms of __file_clock.
5445 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
5447 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
5449 (internal_file_lock): New helper type for accessing __file_clock.
5450 (do_copy_file): Use internal_file_lock to convert system time to
5452 (last_write_time(const path&, error_code&)): Likewise.
5453 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
5455 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
5457 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
5458 for const member functions of std::basic_string.
5459 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
5461 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
5462 Make non-standard constructor private.
5463 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
5465 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
5466 explicit instantiations for C++17 as well as earlier dialects.
5467 * src/c++17/Makefile.am: Add new source files.
5468 * src/c++17/Makefile.in: Regenerate.
5469 * src/c++17/cow-string-inst.cc: New file defining explicit
5470 instantiations for basic_string member functions added in C++17.
5471 * src/c++17/string-inst.cc: Likewise.
5473 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
5474 copy/move constructors for old std::basic_string.
5475 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
5476 (basic_string::reference, basic_string::const_reference): Define
5477 as plain references for C++11 and later.
5478 (basic_string::basic_string()): Put constructor body outside
5479 preprocessor conditional groups.
5480 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
5481 instead of copying it.
5482 (basic_string::basic_string(const basic_string&, const _Alloc&)):
5484 (basic_string::basic_string(basic_string&&, const _Alloc&)):
5486 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
5487 cases for old basic_string.
5488 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
5489 allocator-extended constructors unconditionally. Add extra members to
5490 allocator type when using old string ABI.
5491 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
5493 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
5495 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
5496 -fno-inline added to test flags.
5498 * testsuite/21_strings/basic_string/requirements/
5499 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
5501 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
5502 assertion failures with old std::string ABI.
5504 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
5506 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
5507 functions that will only erase elements at the end.
5508 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
5509 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
5510 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
5512 (path::_List::pop_back()): Define.
5513 (path::_List::_M_erase_from(const_iterator)): Define.
5514 (path::operator/=(const path&)): Use pop_back to remove last component
5515 and _M_erase_from to remove multiple components.
5516 (path::_M_append(basic_string_view<value_type>)): Likewise.
5517 (path::operator+=(const path&)): Likewise.
5518 (path::_M_concat(basic_string_view<value_type>)): Likewise.
5519 (path::remove_filename()): Likewise.
5520 (path::lexically_normal()): Use _List::_Impl iterators instead of
5521 path::iterator. Use pop_back to remove components from the end. Clear
5522 trailing filename, instead of using erase(const_iterator) to remove
5523 a non-final component.
5524 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
5526 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
5528 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
5529 incorrect treatment of empty filename after trailing slash.
5530 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
5532 * testsuite/21_strings/basic_string/modifiers/assign/char/
5533 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
5535 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
5536 move_assign_optim.cc: Likewise.
5538 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5539 Jakub Jelinek <jakub@redhat.com>
5542 * include/experimental/memory: Replace UTF-8 quote characters.
5543 * include/std/future: Replace UTF-8 "em dash" characters.
5545 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5548 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
5549 * include/debug/forward_list: Likewise.
5550 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
5552 * include/experimental/chrono: Likewise.
5553 * include/experimental/functional: Likewise.
5554 * include/experimental/ratio: Likewise.
5555 * include/experimental/system_error: Likewise.
5556 * include/experimental/tuple: Likewise.
5557 * include/experimental/type_traits: Likewise.
5558 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
5559 * include/parallel/multiseq_selection.h: Likewise.
5562 * config/abi/pre/gnu.ver: Add missing exports.
5563 * testsuite/22_locale/collate_byname/88681.cc: New test.
5564 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
5565 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
5567 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
5569 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
5570 initializer_list<value_type> and from input iterator ranges.
5571 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
5573 * testsuite/experimental/string_view/element_access/char/empty.cc:
5574 Fix year range in copyright header.
5576 2019-01-02 Joel Brobecker <brobecker@adacore.com>
5578 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
5579 Fix year range in copyright header.
5581 2019-01-01 Jakub Jelinek <jakub@redhat.com>
5583 Update copyright years.
5585 Copyright (C) 2019 Free Software Foundation, Inc.
5587 Copying and distribution of this file, with or without modification,
5588 are permitted in any medium without royalty provided the copyright
5589 notice and this notice are preserved.