1 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
3 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
4 Qualify calls to __never_valueless.
6 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
9 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
10 vector<bool> for test.
11 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
13 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
15 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
17 (istream_iterator::_M_read()): Do not check stream state before
18 attempting extraction. Set stream pointer to null when extraction
20 (operator==(const istream_iterator&, const istream_iterator&)): Change
21 to be a hidden friend of istream_iterator.
22 (operator!=(const istream_iterator&, const istream_iterator&)):
24 (ostream_iterator::ostream_iterator()): Add default constructor.
25 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
27 * testsuite/24_iterators/istream_iterator/1.cc: New test.
28 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
29 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
30 constructor taking a string.
31 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
34 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
35 Jonathan Wakely <jwakely@redhat.com>
38 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
39 values of type bool for vector<bool> elements.
40 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
41 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
43 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
45 PR libstdc++/90920 partially revert r263433
46 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
47 (rotate): Remove checks.
48 * testsuite/25_algorithms/rotate/90920.cc: New test.
50 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
51 category used in invocable check.
52 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
53 * testsuite/26_numerics/reduce/2.cc: New test.
55 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
57 * include/bits/algorithmfwd.h: Change title of doc group.
58 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
60 * include/bits/stl_numeric.h: Define doc group and add algos to it.
61 * include/std/numeric (__is_random_access_iter): New internal trait.
62 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
63 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
64 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
65 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
66 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
67 * testsuite/26_numerics/reduce/1.cc: New test.
68 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
69 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
70 * testsuite/26_numerics/transform_reduce/1.cc: New test.
71 * testsuite/util/testsuite_iterators.h (test_container::size()): New
74 * include/c_global/cstddef (std::byte): Perform arithmetic operations
75 in unsigned int to avoid promotion (LWG 2950).
77 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
79 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
82 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
84 PR libstdc++/90281 Fix string conversions for filesystem::path
85 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
86 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
87 __str_codecvt_in_all to fail for partial conversions and throw on
89 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
90 (path::_Cvt<char8_t>): Add explicit specialization.
91 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
93 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
94 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
95 instead of codecvt_utf8. Use __str_codecvt_in_all and
96 __str_codecvt_out_all.
97 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
98 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
99 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
100 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
101 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
102 after converting to UTF-8.
103 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
104 __str_codecvt_in_all.
105 (path::string): Fix initialization of string types with different
107 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
108 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
109 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
111 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
112 return false for partial conversions.
113 * include/experimental/bits/fs_path.h (u8path):
114 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
115 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
116 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
117 instead of codecvt_utf8. Use __str_codecvt_in_all and
118 __str_codecvt_out_all.
119 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
120 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
121 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
122 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
123 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
124 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
125 __str_codecvt_in_all.
126 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
127 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
128 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
129 __str_codecvt_in_all.
130 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
131 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
132 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
133 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
134 strings and with Unicode characters outside the basic multilingual
136 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
137 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
138 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
139 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
140 * testsuite/experimental/filesystem/path/native/string.cc: Test with
141 empty strings and with Unicode characters outside the basic
144 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
145 Jonathan Wakely <jwakely@redhat.com>
147 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
148 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
149 deallocate node if insertion fails.
150 (_Hashtable::_M_insert_multi_node): Likewise.
151 (_Hashtable::_M_reinsert_node): Pass additional key argument.
152 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
153 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
154 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
155 (_Hashtable::extract(const _Key&)): Likewise.
156 (_Hashtable::_M_merge_unique): Pass additional key argument.
157 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
159 (_Hashtable::_M_insert): Likewise.
160 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
161 (_Hashtable_alloc): Add comments to functions with misleading names.
163 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
165 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
167 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
168 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
169 header for std::allocator.
170 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
171 using-declaration for std::size_t.
172 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
174 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
176 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
177 * testsuite/experimental/map/erasure.cc: Include <string> for
179 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
181 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
183 * include/experimental/type_traits (experimental::nonesuch): Use
184 pragma to disable -Wctor-dtor-privacy warnings.
185 * include/std/type_traits (__is_convertible_helper<From, To, false>)
186 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
188 * include/std/version (__cpp_lib_bind_front): Add missing macro.
190 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
192 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
193 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
194 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
195 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
197 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
198 (variant::emplace): Change static_assert messages from "should be"
200 (hash<monostate>::operator()): Remove name of unused parameter.
202 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
205 * include/Makefile.am: Add new <bits/charconv.h> header.
206 * include/Makefile.in: Regenerate.
207 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
208 (to_string(long), to_string(unsigned long), to_string(long long))
209 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
210 * include/bits/charconv.h: New header.
211 (__detail::__to_chars_len): Move here from <charconv>.
212 (__detail::__to_chars_10_impl): New function extracted from
213 __detail::__to_chars_10.
214 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
215 (__to_chars_unsigned_type): New class template that reuses
216 __make_unsigned_selector_base::__select to pick a type.
217 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
218 (__detail::__to_chars_len): Move to new header.
219 (__detail::__to_chars_10): Add inline specifier. Move code doing the
220 output to __detail::__to_chars_10_impl and call that.
221 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
222 * testsuite/21_strings/basic_string/numeric_conversions/char/
223 to_string.cc: Fix reference in comment. Remove unused variable.
224 * testsuite/21_strings/basic_string/numeric_conversions/char/
225 to_string_int.cc: New test.
227 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
229 Fix ConstexprIterator requirements tests - No constexpr algorithms!
230 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
231 Replace copy with hand-rolled loop.
232 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
235 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
237 Test for C++20 p0858 - ConstexprIterator requirements.
238 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
240 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
243 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
245 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
247 * include/bits/c++config: Rename all macros of the form __PSTL* to
249 * include/std/algorithm: Likewise.
250 * include/std/execution: Likewise.
251 * include/std/numeric: Likewise.
252 * include/std/memory: Likewise.
253 * include/pstl/glue_memory_impl.h: Likewise.
254 * include/pstl/numeric_impl.h: Likewise.
255 * include/pstl/glue_memory_defs.h: Likewise.
256 * include/pstl/execution_defs.h: Likewise.
257 * include/pstl/utils.h: Likewise.
258 * include/pstl/algorithm_fwd.h: Likewise.
259 * include/pstl/unseq_backend_simd.h: Likewise.
260 * include/pstl/glue_execution_defs.h: Likewise.
261 * include/pstl/algorithm_impl.h: Likewise.
262 * include/pstl/parallel_impl.h: Likewise.
263 * include/pstl/memory_impl.h: Likewise.
264 * include/pstl/glue_numeric_defs.h: Likewise.
265 * include/pstl/parallel_backend_utils.h: Likewise.
266 * include/pstl/glue_algorithm_defs.h: Likewise.
267 * include/pstl/parallel_backend.h: Likewise.
268 * include/pstl/glue_numeric_impl.h: Likewise.
269 * include/pstl/parallel_backend_tbb.h: Likewise.
270 * include/pstl/numeric_fwd.h: Likewise.
271 * include/pstl/glue_algorithm_impl.h: Likewise.
272 * include/pstl/execution_impl.h: Likewise.
273 * include/pstl/pstl_config.h: Likewise.
274 * testsuite/util/pstl/pstl_test_config.h: Likewise.
275 * testsuite/util/pstl/test_utils.h: Likewise.
276 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
278 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
280 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
282 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
283 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
284 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
285 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
286 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
288 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
289 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
290 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
291 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
292 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
294 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
295 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
296 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
297 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
298 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
300 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
301 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
302 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
304 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
306 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
307 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
308 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
310 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
312 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
314 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
316 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
318 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
320 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
322 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
324 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
326 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
328 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
330 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
332 Rename header guards to be consistent with upstream project's
334 * include/pstl/glue_memory_impl.h: Rename all macros of the form
335 _PSTL_(.*)_H to _PSTL_\U\1_H.
336 * include/pstl/numeric_impl.h: Likewise.
337 * include/pstl/glue_memory_defs.h: Likewise.
338 * include/pstl/execution_defs.h: Likewise.
339 * include/pstl/utils.h: Likewise.
340 * include/pstl/algorithm_fwd.h: Likewise.
341 * include/pstl/unseq_backend_simd.h: Likewise.
342 * include/pstl/glue_execution_defs.h: Likewise.
343 * include/pstl/algorithm_impl.h: Likewise.
344 * include/pstl/parallel_impl.h: Likewise.
345 * include/pstl/memory_impl.h: Likewise.
346 * include/pstl/glue_numeric_defs.h: Likewise.
347 * include/pstl/parallel_backend_utils.h: Likewise.
348 * include/pstl/glue_algorithm_defs.h: Likewise.
349 * include/pstl/parallel_backend.h: Likewise.
350 * include/pstl/glue_numeric_impl.h: Likewise.
351 * include/pstl/parallel_backend_tbb.h: Likewise.
352 * include/pstl/numeric_fwd.h: Likewise.
353 * include/pstl/glue_algorithm_impl.h: Likewise.
354 * include/pstl/execution_impl.h: Likewise.
355 * include/pstl/pstl_config.h: Likewise.
356 * testsuite/util/pstl/pstl_test_config.h: Likewise.
358 Synchronize libstdc++ parallel algorithms with upstream
360 * include/pstl/algorithm_fwd.h: Synchronize with
361 upstream PSTL project.
362 * include/pstl/algorithm_impl.h: Likewise.
363 * include/pstl/execution_defs.h: Likewise.
364 * include/pstl/execution_impl.h: Likewise.
365 * include/pstl/glue_algorithm_impl.h: Likewise.
366 * include/pstl/glue_execution_defs.h: Likewise.
367 * include/pstl/numeric_fwd.h: Likewise.
368 * include/pstl/numeric_impl.h: Likewise.
369 * include/pstl/parallel_backend.h: Likewise.
370 * include/pstl/pstl_config.h: Likewise.
371 * include/pstl/unseq_backend_simd.h: Likewise.
372 * include/pstl/parallel_backend_serial.h: New file.
373 * include/Makefile.am (pstl_headers): Add
374 parallel_backend_serial.h.
375 * include/Makefile.in: Regenerate.
377 Clean up non-conforming names
378 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
379 Uglfiy copy_range1 and copy_range2
380 (__pattern_walk2_n): Rename local n to __n
381 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
382 Rename parameter _T to _Tp.
384 Integrate non-TBB serial backend support
385 * include/bits/c++config: Adjust TBB detection logic to select serial
386 PSTL backend if no TBB present.
387 * testsuite/utils/pstl/test_utils.h: Remove check for
388 _PSTL_USE_PAR_POLICIES
390 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
392 * testsuite/24_iterators/container_access.cc: Move dg-options before
393 dg-do directive so the target check uses the -std option.
396 * configure: Regenerate.
397 * src/Makefile.am (stamp-debug): Also test for missing makefile.
398 * src/Makefile.in: Regenerate.
400 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
402 * include/std/array: Do not include <stdexcept>.
403 * include/std/optional: Include <exception> and
404 <bits/exception_defines.h> instead of <stdexcept>.
405 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
407 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
409 * testsuite/23_containers/map/erasure.cc: Include <string>.
410 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
412 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
413 dg-prune-output for different C++98 diagnostic.
414 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
416 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
418 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
420 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
422 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
424 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
426 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
428 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
430 * testsuite/23_containers/vector/requirements/dr438/
431 constructor_1_neg.cc: Likewise.
432 * testsuite/23_containers/vector/requirements/dr438/
433 constructor_2_neg.cc: Likewise.
434 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
436 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
438 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
439 Do not test allocator rebinding extension for C++2a.
440 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
441 dg-do directive for C++17 and C++2a.
443 * testsuite/23_containers/deque/requirements/explicit_instantiation/
444 1_c++0x.cc: Remove redundant test.
445 * testsuite/23_containers/deque/requirements/explicit_instantiation/
446 2.cc: Use target selector instead of preprocessor condition.
447 * testsuite/23_containers/deque/requirements/explicit_instantiation/
448 3.cc: Do not run test for C++2a.
449 * testsuite/23_containers/forward_list/requirements/
450 explicit_instantiation/3.cc: Likewise.
451 * testsuite/23_containers/forward_list/requirements/
452 explicit_instantiation/5.cc: Do not test allocator rebinding extension
454 * testsuite/23_containers/list/requirements/explicit_instantiation/
455 1_c++0x.cc: Remove redundant test.
456 * testsuite/23_containers/list/requirements/explicit_instantiation/
457 2.cc: Use target selector instead of preprocessor condition.
458 * testsuite/23_containers/list/requirements/explicit_instantiation/
459 3.cc: Do not run test for C++2a.
460 * testsuite/23_containers/list/requirements/explicit_instantiation/
461 5.cc: Do not test allocator rebinding extension for C++2a.
462 * testsuite/23_containers/map/requirements/explicit_instantiation/
463 1_c++0x.cc: Remove redundant test.
464 * testsuite/23_containers/map/requirements/explicit_instantiation/
465 2.cc: Adjust comment.
466 * testsuite/23_containers/map/requirements/explicit_instantiation/
467 3.cc: Do not run test for C++2a.
468 * testsuite/23_containers/map/requirements/explicit_instantiation/
469 5.cc: Do not test allocator rebinding extension for C++2a.
470 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
471 1_c++0x.cc: Remove redundant test.
472 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
473 3.cc: Do not run test for C++2a.
474 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
475 5.cc: Do not test allocator rebinding extension for C++2a.
476 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
477 3.cc: Do not run test for C++2a.
478 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
479 5.cc: Do not test allocator rebinding extension for C++2a.
480 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
481 Do not run test for C++2a.
482 * testsuite/23_containers/set/requirements/explicit_instantiation/
483 1_c++0x.cc: Remove redundant test.
484 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
485 Do not test allocator rebinding extension for C++2a.
486 * testsuite/23_containers/unordered_map/requirements/
487 explicit_instantiation/3.cc: Likewise.
488 * testsuite/23_containers/unordered_map/requirements/
489 explicit_instantiation/5.cc: Do not test allocator rebinding extension
491 * testsuite/23_containers/unordered_multimap/requirements/
492 explicit_instantiation/3.cc: Do not run test for C++2a.
493 * testsuite/23_containers/unordered_multimap/requirements/
494 explicit_instantiation/5.cc: Do not test allocator rebinding extension
496 * testsuite/23_containers/unordered_multiset/requirements/
497 explicit_instantiation/3.cc: Do not run test for C++2a.
498 * testsuite/23_containers/unordered_multiset/requirements/
499 explicit_instantiation/5.cc: Do not test allocator rebinding extension
501 * testsuite/23_containers/unordered_set/requirements/
502 explicit_instantiation/3.cc: Do not run test for C++2a.
503 * testsuite/23_containers/unordered_set/requirements/
504 explicit_instantiation/5.cc: Do not test allocator rebinding extension
506 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
507 2.cc: Remove redundant test.
508 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
509 3.cc: Do not run test for C++2a.
510 * testsuite/23_containers/vector/requirements/explicit_instantiation/
513 * include/std/type_traits (is_empty, is_polymorphic, is_final)
514 (is_abstract, is_aggregate): Remove static_assert.
515 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
517 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
518 missing -std=gnu++17 option.
519 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
520 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
521 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
524 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
525 * testsuite/18_support/set_unexpected.cc: Likewise.
526 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
528 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
529 function to be valid in C++11.
530 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
531 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
532 include Library Fundamentals or Networking headers in C++11 mode.
533 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
535 * include/std/tuple (_TC): Replace with _TupleConstraints.
536 (_TupleConstraints): New helper for SFINAE constraints, with more
537 expressive member functions to reduce duplication when used.
538 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
539 (tuple::_TCC): Replace dummy type parameter with bool non-type
540 parameter that can be used to check the pack size.
541 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
542 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
543 checking constraints in constructors.
544 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
546 (tuple::tuple): Use new helpers to reduce repitition in constraints.
547 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
548 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
549 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
550 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
551 constraints in constructors.
552 (tuple::__is_alloc_arg()): New SFINAE helpers.
553 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
555 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
556 * testsuite/20_util/tuple/cons/90700.cc: New test.
557 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
558 to meet new constraint on allocator-extended default constructor.
560 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
562 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
563 * include/bits/stl_multimap.h (multimap): Likewise.
565 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
567 Rename variables and cleanup comments.
568 * include/bits/hashtable_policy.h
569 * include/bits/hashtable.h
571 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
573 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
574 Fix bgcolor for P0340R3.
575 * doc/html/*: Regenerate.
578 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
579 <experimental/memory_resource>.
580 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
581 P0339R6, P0340R3, P1164R1 and P1357R1.
582 * doc/html/*: Regenerate.
584 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
585 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
586 allocator::value_type assertion for C++2a.
587 * include/bits/hashtable.h: Likewise.
588 * include/bits/stl_deque.h: Likewise.
589 * include/bits/stl_list.h: Likewise.
590 * include/bits/stl_map.h: Likewise.
591 * include/bits/stl_multimap.h: Likewise.
592 * include/bits/stl_multiset.h: Likewise.
593 * include/bits/stl_set.h: Likewise.
594 * include/bits/stl_vector.h: Likewise.
595 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
596 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
597 * testsuite/23_containers/list/48101-3_neg.cc: New test.
598 * testsuite/23_containers/map/48101-3_neg.cc: New test.
599 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
600 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
601 * testsuite/23_containers/set/48101-3_neg.cc: New test.
602 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
603 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
604 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
605 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
606 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
608 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
610 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
612 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
614 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
616 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
618 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
620 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
622 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
625 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
626 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
627 * libsupc++/eh_term_handler.h: New header defining
628 _GLIBCXX_DEFAULT_TERM_HANDLER.
629 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
630 (set_terminate): Restore default handler when argument is null.
631 (set_unexpected): Likewise.
632 * testsuite/18_support/set_terminate.cc: New test.
633 * testsuite/18_support/set_unexpected.cc: New test.
635 * include/backward/hashtable.h (size_t, ptrdiff_t)
636 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
637 (distance, vector, pair, __iterator_category): Remove
638 using-declarations that add these names to namespace __gnu_cxx.
639 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
640 * include/ext/debug_allocator.h (size_t): Likewise.
641 * include/ext/functional (size_t, unary_function, binary_function)
642 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
644 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
645 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
646 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
647 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
648 * include/ext/numeric (iota): Fix outdated comment.
649 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
650 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
651 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
652 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
653 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
655 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
656 (allocator, __true_type, __false_type): Likewise.
658 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
661 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
662 New helpers for checking preconditions in traits.
663 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
664 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
665 (is_destructible, is_nothrow_destructible, is_constructible)
666 (is_default_constructible, is_copy_constructible)
667 (is_move_constructible, is_nothrow_default_constructible)
668 (is_nothrow_constructible, is_nothrow_copy_constructible)
669 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
670 (is_nothrow_assignable, is_nothrow_copy_assignable)
671 (is_nothrow_move_assignable, is_trivially_constructible)
672 (is_trivially_copy_constructible, is_trivially_move_constructible)
673 is_trivially_assignable, is_trivially_copy_assignable)
674 (is_trivially_move_assignable, is_trivially_destructible)
675 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
676 (is_invocable_r, is_nothrow_invocable)
677 (has_unique_object_representations, is_aggregate): Add static_asserts
678 to make sure that type traits are not misused with incomplete types.
679 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
680 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
681 base characteristics without assertions that can be reused in other
683 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
684 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
686 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
687 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
688 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
689 * testsuite/20_util/is_class/value.cc: Check incomplete type.
690 * testsuite/20_util/is_function/value.cc: Likewise.
691 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
692 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
694 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
695 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
696 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
697 * testsuite/20_util/is_union/value.cc: Likewise.
698 * testsuite/20_util/is_void/value.cc: Likewise.
699 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
701 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
703 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
704 Add new private member function.
705 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
706 (random_device::_M_init_pretr1(const string&)): Call new private
707 member with string data.
708 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
710 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
711 test using COW strings.
712 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
713 a value from the device.
714 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
715 Fix typo in token string.
717 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
719 LWG2788 basic_string spurious use of a default constructible allocator
720 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
721 (basic_string::_M_replace_dispatch): Construct temporary string with
722 the current allocator.
723 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
724 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
726 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
728 * doc/xml/manual/diagnostics.xml: Update list of headers that define
730 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
731 section about new/delete overloads. Improve section on verbose
733 * doc/html/*: Regenerate.
735 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
736 P0811R3. Change status of P1353R0.
737 * doc/html/*: Regenerate.
739 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
740 documentation of implementation-defined types for [thread.req.native].
741 * doc/xml/manual/status_cxx2017.xml: Update documentation of
742 implementation-defined strings for [variant.bad.access]. Fix typo in
743 documentation of implementation-defined support for [fs.conform.9945].
744 * doc/html/*: Regenerate.
746 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
749 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
750 that fails on mingw-w64.
753 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
754 (status(const path&, error_code&)): Use parent_path() to remove
756 (symlink_status(const path&, error_code&)): Duplicate workaround for
757 bug in _wstat for paths with trailing slash.
758 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
760 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
761 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
763 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
764 once instead of building it iteratively.
766 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
768 PR libstdc++/85494 use rdseed and rand_s in std::random_device
769 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
770 the assembler supports rdseed.
771 * config.h.in: Regenerate.
772 * configure: Regenerate.
773 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
774 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
775 * doc/html/*: Regenerate.
776 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
777 * include/bits/random.h (random_device::random_device()): Always call
778 _M_init rather than _M_init_pretr1.
779 (random_device::random_device(const string&)): Likewise.
780 (random_device::operator()()): Always call _M_getval().
781 (random_device::_M_file): Replace first member of union with an
782 anonymous struct, with _M_file as its first member.
783 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
784 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
785 (USE_MT19937): Define if none of the above are defined.
786 (USE_POSIX_FILE_IO): Define.
787 (_M_strtoul): Remove.
788 [USE_RDSEED] (__x86_rdseed): Define new function.
789 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
790 (random_device::_M_init(const string&)): Initialize new union members.
791 Add support for "rdseed" and "rand_s" tokens. Decide what the
792 "default" token does according to which USE_* macros are defined.
793 [USE_POSIX_FILE_IO]: Store a file descriptor.
794 [USE_MT19937]: Forward to _M_init_pretr1 instead.
795 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
796 code from _M_strtoul.
797 [!USE_MT19937]: Call _M_init, transforming the old default token or
798 numeric tokens to "default".
799 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
800 (random_device::_M_getval()): Use new union members to obtain a
801 random number from the stored function pointer or file descriptor.
802 [USE_MT19937]: Obtain a value from the mt19937 engine.
803 (random_device::_M_getval_pretr1()): Call _M_getval().
804 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
806 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
807 * testsuite/26_numerics/random/random_device/85494.cc: New test.
809 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
812 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
813 _M_split_cmpts() for a path with multiple components.
814 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
815 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
816 components and reserve space in vector. Return early when there is
818 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
819 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
821 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
822 form of std::equals for C++11 compatibility.
824 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
826 * doc/xml/manual/appendix_contributing.xml: Update pointer to
827 C++ standard at ansi.org.
829 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
831 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
832 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
835 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
836 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
838 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
840 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
842 * testsuite/20_util/function_objects/invoke/3.cc: New test.
843 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
844 "compile" test to "run".
846 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
847 * doc/html/*: Regenerate.
848 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
849 rvalue aliasing constructor.
850 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
851 (reinterpret_pointer_cast): Add overloads taking rvalues.
852 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
853 Add rvalue aliasing constructor.
854 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
855 "run" and check return values as well as types.
856 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
857 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
858 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
859 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
862 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
863 * doc/xml/manual/intro.xml: Likewise.
864 * include/std/future (__create_task_state): Add default arguments
865 to make providing an allocator optional.
866 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
867 instead of delegating to another constructor.
868 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
869 define allocator-extended constructors for C++17 and later.
870 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
872 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
873 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
874 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
876 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
878 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
879 Don't run the libstdc++/83237 part on simulator targets.
881 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
883 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
885 * doc/html/*: Regenerate.
887 * include/experimental/any (__any_caster): Use RTTI if comparing
888 addresses fails, to support non-unique addresses in shared libraries.
889 * include/std/any (__any_caster): Likewise.
892 * include/experimental/any (__any_caster): Constrain to only be
893 callable for object types. Use remove_cv_t instead of decay_t.
894 If the type decays or isn't copy constructible, compare the manager
895 function to a dummy specialization.
896 (__any_caster): Add overload constrained for non-object types.
897 (any::_Manager_internal<_Op>): Add dummy specialization.
898 * testsuite/experimental/any/misc/any_cast.cc: Test function types
901 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
904 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
905 reversed arguments to uninitialized_copy_n.
906 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
907 is unchanged by copy assignment.
908 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
909 compare path components.
912 * include/experimental/memory_resource: Add system header pragma and
913 do not define anything unless compiled as C++14 or later.
914 (__resource_adaptor_common::__guaranteed_alignment): Remove.
915 (__resource_adaptor_imp::do_allocate): If the requested alignment
916 is a fundamental alignment then either allocate directly from _M_alloc
917 or call the new _M_allocate function.
918 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
919 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
920 of the allocator rebound to a POD type with the specified alignment.
921 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
922 * testsuite/experimental/memory_resource/new_delete_resource.cc:
923 Adjust expected allocation sizes.
924 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
925 xfail for Solaris x86.
927 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
929 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
930 * include/pstl/execution_defs.h (__enable_if_execution_policy):
931 Use std::__remove_cvref_t when building with GCC.
933 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
936 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
937 Use "additional_flags" to pass -ltbb to v3_target_compile command.
938 Use check_v3_target_prop_cached to cache the result of the test.
940 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
942 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
945 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
946 Changed v3_target_compile check from preprocess to executable.
947 Added "-ltbb" to v3_target_compile flags.
949 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
951 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
952 Add check for Thread Building Blocks 2018 or later.
954 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
956 * testsuite/experimental/names.cc: Only include Networking TS headers
957 on targets with the necessary Gthreads support.
959 2019-05-20 Marek Polacek <polacek@redhat.com>
961 CWG 2094 - volatile scalars are trivially copyable.
963 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
964 result for volatile int.
966 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
968 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
969 * testsuite/experimental/names.cc: Include <experimental/filesystem>
972 PR c++/90532 Ensure __is_constructible(T[]) is false
973 * include/std/type_traits (__do_is_default_constructible_impl)
974 (__is_default_constructible_atom, __is_default_constructible_safe):
976 (is_default_constructible): Use is_constructible.
977 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
978 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
979 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
980 * testsuite/20_util/is_trivially_default_constructible/value.cc:
983 2019-05-20 Pádraig Brady <pbrady@fb.com>
985 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
986 to the deallocator with -fsized-deallocation.
988 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
990 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
991 test by passing correct alignment to deallocate function.
993 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
996 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
997 Raise exception if unique_ptr tuple member has unknown structure.
998 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
999 Adjust worker to support new __uniq_ptr_data base class. Do not
1000 assume field called _M_head_impl is the first tuple element.
1002 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
1004 * include/bits/stl_deque.h
1005 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
1006 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
1007 (_Deque_base::_Deque_impl_data): New.
1008 (_Deque_base::_Deque_impl): Inherit latter.
1009 (_Deque_base::_Deque_impl::_M_swap_data): Move...
1010 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
1011 (_Deque_base::_Deque_impl()): Add noexcept qualification.
1012 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
1013 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
1014 (deque<>::deque()): Default.
1015 (deque<>::deque(deque&&)): Default.
1016 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
1017 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
1018 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
1019 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
1020 _M_range_initialize.
1021 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
1022 (deque<>::resize(size_type, const value_type&)): Share a single
1024 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
1025 _M_range_insert_aux.
1026 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
1027 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
1028 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
1029 * testsuite/23_containers/deque/allocator/default_init.cc: New.
1031 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
1034 * include/std/variant (holds_alternative, get, get_if): Improve
1035 static assertion messages.
1036 (bad_variant_access::bad_variant_access()): Change default message.
1037 (__throw_bad_variant_access(bool)): New overload.
1038 (get): Use new overload.
1039 (visit, visit<R>): Improve exception message.
1041 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
1042 targets. Add more cases from P0608R3.
1043 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
1045 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
1046 * include/experimental/type_traits (is_detected_exact)
1047 (is_detected_exact_v): Likewise.
1048 * include/pstl/execution_defs.h (is_execution_policy)
1049 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
1050 * include/pstl/execution_impl.h (__policy_traits): Likewise.
1051 * testsuite/17_intro/names.cc: Check for more non-reserved names.
1052 * testsuite/experimental/names.cc: New test.
1055 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
1056 assertions from the destructor.
1057 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
1058 Move static_assert for hash function to here.
1059 (_Hash_table_base::_M_equals): Move static_assert for equality
1061 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
1063 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
1064 the value directly instead of calling _S_value.
1065 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
1066 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
1067 _S_key(_Const_Link_type).
1068 * testsuite/23_containers/set/85965.cc: Check construction,
1069 destruction, assignment and size() do not trigger the assertions.
1070 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
1071 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
1073 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
1074 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
1075 * testsuite/23_containers/set/48101_neg.cc: Likewise.
1076 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
1077 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
1078 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
1079 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
1081 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
1082 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
1085 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
1087 * doc/html/*: Regenerate.
1088 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
1089 of decay_t (P0777R1).
1091 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
1093 Move from state of allocators (LWG2593)
1094 * include/bits/stl_deque.h
1095 (_Deque_base(_Deque_base&&, false_type)): Remove.
1096 (_Deque_base(_Deque_base&&, true_type)): Remove.
1097 (_Deque_base(_Deque_base&&)): Adapt.
1098 (_Deque_base::_M_move_impl()): Remove.
1099 * testsuite/util/testsuite_allocator.h
1100 (propagating_allocator(propagating_allocator&&)): Preserve move from
1102 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
1104 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
1106 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
1107 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
1108 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
1110 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
1112 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
1113 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
1115 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
1117 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
1119 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
1121 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
1123 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
1125 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
1127 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
1130 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
1132 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
1133 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
1135 * include/std/variant (__overload_set): Remove.
1137 (_Build_FUN): New class template to define a single FUN overload,
1138 with specializations to prevent unwanted conversions, as per P0608R3.
1139 (_Build_FUNs): New class template to build an overload set of FUN.
1140 (_FUN_type): New alias template to perform overload resolution.
1141 (__accepted_type): Use integer_constant base for failure case. Use
1142 _FUN_type for successful case.
1143 (variant::__accepted_index): Use _Tp instead of _Tp&&.
1144 (variant::variant(_Tp&&)): Likewise.
1145 (variant::operator=(_Tp&&)): Likewise.
1147 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
1148 Replace raw visitation with a runtime check for the valueless state
1149 and a non-raw visitor.
1150 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
1151 (variant::index()): Remove branch.
1152 (variant::swap(variant&)): Use valueless_by_exception() instead of
1153 comparing the index to variant_npos, and add likelihood attribute.
1155 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
1156 (_Hashtable_base::_Equal_hash_code): Define new class template.
1157 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
1160 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
1161 Replace with _M_get non-static member function.
1162 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
1164 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
1165 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
1167 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
1168 _S_get accessors for members in EBO helpers.
1169 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
1170 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
1172 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
1174 (_Hashtable_base::_M_eq()): Remove non-const overload.
1176 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
1178 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
1180 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1182 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
1185 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1187 * config/os/solaris/solaris2.10: Move to ...
1188 * config/os/solaris: ... this.
1189 * configure.host (os_include_dir): Adapt.
1190 (abi_baseline_pair): Remove Solaris 10 handling.
1191 * config/abi/post/i386-solaris2.10: Remove.
1192 * config/abi/post/sparc-solaris2.10: Remove.
1193 * config/abi/post/i386-solaris2.11: Rename to ...
1194 * config/abi/post/i386-solaris: ... this.
1195 * config/abi/post/sparc-solaris2.11: Rename to ...
1196 * config/abi/post/sparc-solaris: ... this.
1198 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
1201 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
1204 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1206 * include/std/variant (__visit_with_index): Remove typedef.
1207 (__deduce_visit_result): New tag type.
1208 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
1209 visitation of possibly-valueless variants, forwarding to __do_visit
1210 with the relevant tag type.
1211 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
1212 and make lambda return void.
1213 (__variant_construct): Likewise.
1214 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
1215 __raw_idx_visit and make lambda return void.
1216 (_Multi_array::__untag_result): Add metafunction to check the function
1217 pointer type for a tag type that dictates the kind of visitation.
1218 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
1219 Use decltype(auto) instead of tagged function pointer type.
1220 (__gen_vtable_impl): Remove bool non-type parameter and unused
1221 _Variant_tuple parameter.
1222 (__gen_vtable_impl::__visit_invoke_impl): Remove.
1223 (__gen_vtable_impl::__do_visit_invoke): Remove.
1224 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
1225 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
1226 for the visit<R> case, rather than dispatching to separate functions.
1227 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
1229 (variant::swap): Likewise.
1230 (__do_visit): Replace two non-type template parameters with a single
1231 type parameter, so that the caller must specify the visitor's return
1232 type (or one of the tag types).
1233 (visit): Deduce a return type from the visitor and use the
1234 __deduce_visit_result tag to enforce that all overloads return the
1236 (visit<R>): Call __do_visit<R> with explicit result type.
1237 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
1240 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1242 nonesuch is insufficiently useless (lwg2996)
1243 * include/std/type_traits (struct __nonesuch): Added private base
1244 class to make __nonesuch not an aggregate and removed deleted default
1246 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
1247 (operator=(const pair&)): Use __nonesuch instead of
1248 __nonesuch_no_braces.
1249 (operator=(pair&&)): Likewise
1250 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
1251 of __nonesuch_no_braces.
1252 (operator=(tuple&&)): Likewise
1253 * include/experimental/type_traits (struct nonesuch): Added private
1254 base class to make nonesuch not an aggregate and removed deleted
1255 default constructor.
1256 * testsuite/20_util/nonesuch/nonesuch.cc: New.
1257 * testsuite/experimental/type_traits/nonesuch.cc: New.
1259 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1261 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
1262 (_Function_handler): Remove partial specializations for void return
1263 types and pointers to member.
1264 (_Function_handler::_M_manager): Adapt to removal of
1265 _Simple_type_wrapper.
1266 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
1267 * include/std/functional (_Bind_result::__enable_if_void)
1268 (_Bind_result::__disable_if_void): Remove sfinae helpers.
1269 (_Bind_result::__call): Use __invoke_r and remove overloads for void
1271 * include/std/future (__future_base::_Task_state::_M_run)
1272 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
1273 change return type of lambda expressions.
1275 * include/bits/invoke.h (__invoke_r): Define new function implementing
1276 the INVOKE<R> pseudo-function.
1277 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
1278 * testsuite/20_util/function_objects/invoke/2.cc: New test.
1280 * include/std/type_traits (__is_nt_convertible_helper): Define it
1281 unconditionally, not only for C++20.
1282 (__is_nothrow_convertible): Define internal trait for use in C++11.
1283 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
1284 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
1285 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
1286 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
1287 that has nothrow explicit conversion but potentially-throwing implicit
1289 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
1290 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
1291 function to only consider implicit conversions.
1292 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
1294 * include/std/iterator: Include <iosfwd> instead of <istream> and
1297 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
1298 Remove unused, non-standard function.
1300 * include/bits/regex.h (match_results::max_size()): Adjust return
1301 value to account for prefix/suffix/unmatched subs.
1302 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
1303 reset the contained sub matches.
1304 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
1305 function to set result state following a failed match.
1306 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
1307 sub_match states after _M_resize. Use _M_establish_failed_match.
1310 * include/std/thread (thread::_State_impl, thread::_S_make_state):
1311 Replace single _Callable parameter with variadic _Args pack, to
1312 forward them directly to the tuple of decayed copies.
1313 * testsuite/30_threads/thread/cons/69724.cc: New test.
1315 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1317 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
1318 * include/bits/basic_string.h: (operator=(const basic_string&):
1319 Move allocator decision to assign.
1320 (assign(const basic_string&)): Move allocator decision here.
1321 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
1323 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
1326 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1328 * testsuite/util/testsuite_allocator.h (memory_resource)
1329 (default_resource_mgr): Fix indentation.
1331 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
1332 Use operator-> to access raw pointer member.
1333 * testsuite/23_containers/vector/59829.cc: Likewise.
1334 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
1335 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
1336 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
1338 (PointerBase, PointerBase_void): Derive from NullablePointer and use
1339 its constructors and equality operators. Change converting
1340 constructors to use operator-> to access private member of the other
1342 (PointerBase_void::operator->()): Add, for access to private member.
1343 (operator-(PointerBase, PointerBase)): Change to hidden friend.
1344 (operator==(PointerBase, PointerBase)): Remove.
1345 (operator!=(PointerBase, PointerBase)): Remove.
1347 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
1348 not assume field called _M_head_impl is the first tuple element.
1349 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
1350 implementation more accurate.
1351 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
1352 empty pointer type and non-empty deleter.
1354 LWG 2899 - Make is_move_constructible correct for unique_ptr
1355 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
1356 move assignment operator.
1357 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
1358 (__uniq_ptr_data): New class template with conditionally deleted
1360 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
1361 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
1362 constructor and move assignment operator as defaulted.
1363 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
1364 __uniq_ptr_impl::release().
1365 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
1366 to __uniq_ptr_impl::reset(pointer).
1367 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
1368 Check for new __uniq_ptr_data type.
1369 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
1371 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1373 PR libstdc++/90454.cc path construction from void*
1374 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
1375 pointers to void are rejected as well as void.
1376 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
1377 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
1379 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
1381 * doc/xml/manual/policy_data_structures.xml: Comment out stray
1382 <remark> elements. Fix formatting of bibliography references.
1384 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
1386 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
1388 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1390 Remove Profile Mode, deprecated since 7.1.0
1391 * doc/Makefile.am: Remove XML file for profile mode docs.
1392 * doc/Makefile.in: Regenerate.
1393 * doc/xml/authors.xml: Remove authors of profile mode docs.
1394 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
1396 * doc/xml/manual/debug.xml: Likewise.
1397 * doc/xml/manual/evolution.xml: Document removal of profile mode.
1398 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
1399 * doc/xml/manual/spine.xml: Remove profile mode author credit.
1400 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
1402 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
1404 * doc/html/*: Regenerate.
1405 * include/Makefile.am: Remove profile mode headers.
1406 * include/Makefile.in: Regenerate.
1407 * include/bits/c++config (std::__profile): Remove namespace.
1408 [_GLIBCXX_PROFILE]: Remove checks for macro.
1409 * include/profile/array: Remove.
1410 * include/profile/base.h: Remove.
1411 * include/profile/bitset: Remove.
1412 * include/profile/deque: Remove.
1413 * include/profile/forward_list: Remove.
1414 * include/profile/impl/profiler.h: Remove.
1415 * include/profile/impl/profiler_algos.h: Remove.
1416 * include/profile/impl/profiler_container_size.h: Remove.
1417 * include/profile/impl/profiler_hash_func.h: Remove.
1418 * include/profile/impl/profiler_hashtable_size.h: Remove.
1419 * include/profile/impl/profiler_list_to_slist.h: Remove.
1420 * include/profile/impl/profiler_list_to_vector.h: Remove.
1421 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
1422 * include/profile/impl/profiler_node.h: Remove.
1423 * include/profile/impl/profiler_state.h: Remove.
1424 * include/profile/impl/profiler_trace.h: Remove.
1425 * include/profile/impl/profiler_vector_size.h: Remove.
1426 * include/profile/impl/profiler_vector_to_list.h: Remove.
1427 * include/profile/iterator_tracker.h: Remove.
1428 * include/profile/list: Remove.
1429 * include/profile/map: Remove.
1430 * include/profile/map.h: Remove.
1431 * include/profile/multimap.h: Remove.
1432 * include/profile/multiset.h: Remove.
1433 * include/profile/ordered_base.h: Remove.
1434 * include/profile/set: Remove.
1435 * include/profile/set.h: Remove.
1436 * include/profile/unordered_base.h: Remove.
1437 * include/profile/unordered_map: Remove.
1438 * include/profile/unordered_set: Remove.
1439 * include/profile/vector: Remove.
1440 * scripts/run_doxygen: Do not process profile mode headers.
1441 * testsuite/23_containers/array/element_access/60497.cc: Don't use
1443 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
1444 Remove dg-skip-if for profile mode.
1445 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
1446 preprocessor check for profile mode.
1447 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
1448 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
1450 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
1452 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
1453 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
1454 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
1455 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
1456 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
1458 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
1460 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
1462 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
1464 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
1465 preprocessor check for profile mode.
1466 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
1468 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
1469 Remove dg-skip-if for profile mode.
1470 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
1471 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
1472 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
1473 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
1474 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
1475 * testsuite/Makefile.am: Remove profile_flags variable and
1476 * testsuite/Makefile.am: Remove profile_flags variable and
1477 check-profile target.
1478 * testsuite/Makefile.in: Regenerate.
1479 * testsuite/ext/profile/all.cc: Remove.
1480 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
1481 * testsuite/ext/profile/profiler_algos.cc: Remove.
1482 * testsuite/ext/profile/replace_new.cc: Remove.
1483 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
1484 preprocessor check for profile mode.
1485 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1486 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
1487 (check_v3_target_normal_mode): Do not check for profile mode macro.
1488 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
1490 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
1491 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1492 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1493 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
1494 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
1495 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1496 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1497 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1498 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1499 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1501 Remove array_allocator extension, deprecated since 4.9.0
1502 * doc/xml/manual/allocator.xml: Remove documentation for
1504 * doc/xml/manual/evolution.xml: Document array_allocator removal.
1505 * doc/xml/manual/using.xml: Remove header from documentation.
1506 * include/Makefile.am: Remove <ext/array_allocator.h> header.
1507 * include/Makefile.in: Regenerate.
1508 * include/ext/array_allocator.h: Remove.
1509 * include/precompiled/extc++.h: Do not include removed header.
1510 * testsuite/ext/array_allocator/1.cc: Remove.
1511 * testsuite/ext/array_allocator/2.cc: Remove.
1512 * testsuite/ext/array_allocator/26875.cc: Remove.
1513 * testsuite/ext/array_allocator/3.cc: Remove.
1514 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
1515 * testsuite/ext/array_allocator/check_delete.cc: Remove.
1516 * testsuite/ext/array_allocator/check_new.cc: Remove.
1517 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
1518 * testsuite/ext/headers.cc: Do not include removed header.
1520 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
1522 * include/bits/stl_bvector.h
1523 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1525 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1527 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1529 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1531 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1533 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1535 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1537 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
1539 (_Bit_iterator::operator-(difference_type)): Likewise.
1540 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
1541 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
1543 (_Bit_const_iterator::operator-(difference_type)): Likewise.
1544 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
1546 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
1549 * testsuite/util/thread/all.h: Do not use remove_pointer for
1550 std::thread::native_handle_type.
1553 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
1554 (_Variant_storage<true, Types...>::_M_reset()))
1555 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
1556 (__get_storage): Likewise.
1557 (variant): Add noexcept to friend declarations for __get and
1561 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
1562 Use _Require for constraints.
1563 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
1565 (__uniq_ptr_hash): New base class with conditionally-disabled call
1567 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
1568 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
1569 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
1571 * include/bits/shared_ptr.h: Improve docs.
1572 * include/bits/shared_ptr_base.h: Likewise.
1573 * include/bits/stl_uninitialized.h: Likewise.
1574 * include/bits/unique_ptr.h: Likewise.
1575 * libsupc++/new: Likewise.
1577 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
1579 * include/bits/stl_deque.h
1580 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1582 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1584 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1586 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1588 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1590 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1592 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
1594 (_Deque_iterator<>::operator-(difference_type)): Likewise.
1596 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
1599 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
1600 (test01): Reserve for number of insertions to avoid rehash during test.
1601 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1603 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1608 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
1610 * include/experimental/bits/fs_path.h: Improve docs.
1611 * include/experimental/bits/net.h: Fix wrong header name in comment.
1612 Do not document implementation details.
1613 * include/experimental/netfwd: Fix doxygen grouping.
1615 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1617 * include/bits/stl_pair.h: Improve docs.
1618 * include/std/tuple: Likewise.
1620 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
1622 * include/std/chrono: Improve docs.
1623 * include/std/ratio: Do not document implementation details.
1624 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
1626 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1629 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
1630 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
1631 (__duration_common_type): New helper.
1632 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
1633 __duration_common_type.
1634 (__timepoint_common_type_wrapper): Replace with ...
1635 (__timepoint_common_type): New helper.
1636 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
1637 Use __time_point_common_type.
1638 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
1639 (__common_type_impl): If either argument is transformed by decay,
1640 use the common_type of the decayed types.
1641 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
1642 decayed, use __do_common_type_impl to get the common_type.
1643 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
1644 (__do_member_type_wrapper, __member_type_wrapper)
1645 (__expanded_common_type_wrapper): Remove.
1646 (__common_type_pack, __common_type_fold): New helpers.
1647 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
1648 __member_type_wrapper and __expanded_common_type_wrapper.
1649 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
1650 Test zero-length template argument list.
1651 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
1652 Test single argument cases and argument types that should decay.
1653 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
1654 Adjust expected error.
1655 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
1657 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1658 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1659 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1661 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
1663 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
1665 Make allocator propagation more consistent for
1666 operator+(basic_string) (P1165R1)
1667 * include/bits/basic_string.h
1668 (operator+(basic_string&&, basic_string&&): Changed resulting
1669 allocator to always be the one from the first parameter.
1670 * include/bits/basic_string.tcc
1671 (operator+(const _CharT*, const basic_string&)): Changed
1672 resulting allocator to be SOCCC on the second parameter's allocator.
1673 (operator+(_CharT, const basic_string&)): Likewise.
1674 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
1676 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
1679 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1681 * include/bits/regex.h: Improve docs.
1682 * include/bits/regex.tcc: Do not document implementation details.
1684 * testsuite/19_diagnostics/error_code/hash.cc: New test.
1686 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
1688 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
1689 Add type printer for container types in std::__debug namespace.
1690 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
1691 (gdb-tests): Use distinct parameters for the type of test and use of
1693 (gdb-test): Check for regex test even if 'whatis' test.
1694 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
1696 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1697 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1698 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1699 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1700 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1701 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1702 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1704 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
1706 * include/std/system_error (error_category): Fix comment.
1709 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
1710 argument is an empty path.
1711 (absolute(const path&, error_code&)): Use invalid_argument as error
1712 code instead of no_such_file_or_directory.
1713 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
1714 of non-existent paths and empty paths with both overloads of absolute.
1716 * include/std/system_error (error_category, error_code)
1717 (error_condition): Improve docs.
1718 * libsupc++/exception: Add missing @addtogroup Doxygen command.
1719 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
1720 to class documentation. Suppress documentation for implementation
1722 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
1723 Suppress documentation for implementation details.
1725 * include/std/system_error (error_code): Remove friend declaration
1726 for hash<error_code>.
1727 (hash<error_code>::operator()): Use public member functions to access
1729 (hash<error_condition>::operator()): Use address of category, not
1730 its object representation.
1731 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
1732 Use public member functions to access value and category.
1733 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
1735 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
1737 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
1738 * include/bits/hashtable_policy.h
1739 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
1740 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
1741 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
1742 smaller than input value rather than always greater. Preserve
1743 _M_next_resize if called with 0 input. Use __builtin_floorl.
1744 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
1745 elements + number of insertions is greater than _M_next_resize. Start
1746 with 11 buckets if not told otherwise. Use __builtin_floorl.
1747 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
1748 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1749 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
1750 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
1751 told otherwise. Use __builtin_floorl.
1752 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
1753 to also validate _Power2_rehash_policy.
1754 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
1757 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
1760 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
1764 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
1765 overflow warning with -Wpedantic -Wsystem-headers.
1767 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
1770 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
1771 * include/bits/move.h (swap): Remove extra parentheses.
1773 * include/experimental/bits/lfts_config.h: Improve doc markup.
1774 * include/experimental/optional: Improve docs.
1775 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
1776 (__constexpr_addressof): Remove.
1777 (optional::operator->()): Use std::__addressof().
1778 * include/std/optional (optional::operator->()): Adjust whitespace.
1779 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
1780 that operator-> is still constexpr with overloaded operator&. Change
1781 to compile-only test.
1782 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
1785 * include/bits/shared_ptr.h: Improve docs.
1786 * include/bits/shared_ptr_atomic.h: Likewise.
1787 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
1789 * include/bits/basic_string.h: Fix iterator/index confusion in
1791 * include/bits/range_access.h: Fix Doxygen warnings.
1792 * include/bits/refwrap.h: Do not document implementation details.
1793 (ref, cref): Group docs with reference_wrapper.
1794 * include/std/fstream: Fix Doxygen markup.
1795 * libsupc++/initializer_list (begin, end): Group docs with
1798 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
1800 * include/bits/unique_lock.h: Fix/improve doxygen markup.
1801 * include/std/mutex: Likewise.
1802 * include/std/shared_mutex: Likewise.
1804 * include/bits/fs_dir.h: Fix/improve doxygen markup.
1805 * include/bits/fs_fwd.h: Likewise.
1806 * include/bits/fs_ops.h: Likewise.
1807 * include/bits/fs_path.h: Likewise.
1808 * include/std/filesystem: Likewise.
1810 * include/experimental/bits/net.h: Fix/improve doxygen markup.
1811 * include/experimental/buffer: Likewise.
1812 * include/experimental/executor: Likewise.
1813 * include/experimental/internet: Likewise.
1814 * include/experimental/io_context: Likewise.
1815 * include/experimental/net: Likewise.
1816 * include/experimental/netfwd: Likewise.
1817 * include/experimental/socket: Likewise.
1818 * include/experimental/timer: Likewise.
1820 * doc/doxygen/doxygroups.cc: Move description of experimental group
1822 * include/experimental/algorithm: Add to libfund-ts doc group.
1823 * include/experimental/any: Likewise. Do not document implementation
1825 * include/experimental/array: Add to libfund-ts doc group.
1826 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
1827 for Library Fundamentals.
1828 * include/experimental/chrono: Add to libfund-ts doc group.
1829 * include/experimental/deque: Likewise.
1830 * include/experimental/forward_list: Likewise.
1831 * include/experimental/functional: Likewise.
1832 * include/experimental/iterator: Likewise.
1833 * include/experimental/list: Likewise.
1834 * include/experimental/map: Likewise.
1835 * include/experimental/memory: Likewise.
1836 * include/experimental/memory_resource: Likewise. Improve docs.
1838 * include/experimental/numeric: Add to libfund-ts doc group.
1839 * include/experimental/optional: Likewise.
1840 * include/experimental/propagate_const: Likewise.
1841 * include/experimental/random: Likewise.
1842 * include/experimental/ratio: Likewise.
1843 * include/experimental/regex: Likewise.
1844 * include/experimental/set: Likewise.
1845 * include/experimental/source_location: Likewise.
1846 * include/experimental/string: Likewise.
1847 * include/experimental/string_view: Likewise.
1848 * include/experimental/system_error: Likewise.
1849 * include/experimental/tuple: Likewise.
1850 * include/experimental/type_traits: Likewise.
1851 * include/experimental/unordered_map: Likewise.
1852 * include/experimental/unordered_set: Likewise.
1853 * include/experimental/utility: Likewise.
1854 * include/experimental/vector: Likewise.
1855 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
1856 * testsuite/experimental/array/neg.cc: Adjust dg-error.
1857 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
1859 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
1860 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
1861 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
1862 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
1863 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
1865 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
1866 * include/experimental/bits/fs_fwd.h: Improve docs.
1867 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
1868 * include/experimental/bits/fs_path.h: Likewise.
1869 (path, filesystem_error, u8path): Improve docs.
1870 * include/experimental/filesystem: Link to docs for TS.
1872 * config/allocator/new_allocator_base.h (__allocator_base): Add
1873 workaround for Doxygen bug #6945.
1874 * include/std/memory: Improve docs. Define group for pointer safety.
1875 * include/std/scoped_allocator: Improve docs. Use "undocumented"
1876 conditional to suppress documentation for implementation details.
1878 * include/bits/specfun.h: Improve docs.
1879 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
1882 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
1883 (std::experimental): Add docs.
1884 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
1885 namespace to nothing when generating docs.
1886 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
1887 * include/std/chrono (std::chrono): Likewise.
1888 * include/std/functional (std::placeholders): Likewise.
1889 * include/std/thread (std::this_thread): Likewise.
1891 * include/parallel/settings.h: Fix Doxygen markup.
1893 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
1894 anything unless PB_DS_CLASS_C_DEC is defined.
1895 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
1896 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
1897 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
1898 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
1899 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
1900 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
1901 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
1903 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
1904 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
1905 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
1906 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
1907 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
1908 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
1909 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
1910 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
1911 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
1912 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
1913 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
1915 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
1916 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
1918 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
1921 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
1922 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
1923 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
1926 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1928 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
1929 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
1930 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
1931 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
1932 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
1933 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
1935 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
1936 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
1939 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
1942 * include/std/complex (__complex_proj): Return parameter unchanged.
1943 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
1944 floating-point types to take std::complex arguments.
1945 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
1946 floating-point types.
1947 * testsuite/26_numerics/complex/proj.cc: New test.
1949 2019-04-30 Jakub Jelinek <jakub@redhat.com>
1951 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
1952 to _Lock_policyE[012].
1953 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
1955 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
1957 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
1958 macros accidentally left in.
1959 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
1960 unnecessary -lstdc++fs option. Fix test for mingw.
1961 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
1964 2019-04-30 Jakub Jelinek <jakub@redhat.com>
1966 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
1968 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
1970 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
1972 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
1973 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
1976 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
1978 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
1981 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
1982 class template and partial specialization.
1985 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
1987 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
1988 functions to convert a value to an integral type.
1989 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
1990 (fill_n): Convert _Size parameter to an integral type.
1991 * testsuite/25_algorithms/fill_n/87982.cc: New test.
1992 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
1993 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
1994 * testsuite/25_algorithms/generate_n/87982.cc: New test.
1995 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
1996 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
1998 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
2000 Adding noexcept-specification on tuple constructors (LWG 2899)
2001 * libstdc++-v3/include/std/tuple:
2002 (tuple()): Add noexcept-specification.
2003 (tuple(const _Elements&...)): Likewise
2004 (tuple(_UElements&&...)): Likewise
2005 (tuple(const tuple<_UElements...>&)): Likewise
2006 (tuple(tuple<_UElements...>&&)): Likewise
2007 (tuple(const _T1&, const _T2&)): Likewise
2008 (tuple(_U1&&, _U2&&)): Likewise
2009 (tuple(const tuple<_U1, _U2>&): Likewise
2010 (tuple(tuple<_U1, _U2>&&): Likewise
2011 (tuple(const pair<_U1, _U2>&): Likewise
2012 (tuple(pair<_U1, _U2>&&): Likewise
2013 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
2015 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
2018 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
2019 arguments with __restrict.
2021 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
2023 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
2025 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
2027 * include/experimental/bits/fs_path.h
2028 (path::_S_convert_loc<_InputIterator>): Create const std::string to
2029 avoid redundant call to _S_convert_loc with non-const pointers.
2031 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
2032 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
2033 * testsuite/21_strings/basic_string/hash/hash.cc
2034 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
2035 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
2036 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
2038 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
2039 wstring::_M_replace_dispatch with more specific patterns.
2040 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
2041 Create const std::string to avoid redundant call to _S_convert_loc
2042 with non-const pointers.
2043 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
2044 avoid unnecessary basic_string::assign instantiations.
2046 * include/std/memory (__uses_alloc_args): Add string-literal to
2047 static_assert, to match the one in __uses_alloc.
2048 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
2049 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
2050 for recursive uses-allocator construction of nested pairs.
2051 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
2054 2019-04-26 Jakub Jelinek <jakub@redhat.com>
2056 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
2057 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
2058 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
2059 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
2061 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2062 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
2063 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
2064 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
2065 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
2066 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2067 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2069 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
2072 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
2073 * include/std/scoped_allocator [__cplusplus > 201703L]
2074 (scoped_allocator_adaptor::construct): Define in terms of
2075 uses_allocator_construction_args, as per P0591R4.
2076 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
2077 * testsuite/util/testsuite_allocator.h: Remove name of unused
2080 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
2082 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
2083 * doc/html/*: Regenerate.
2085 * include/bits/fs_path.h (operator<, operator<=, operator>)
2086 (operator>=, operator==, operator!=): Make hidden friends, as per
2088 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
2089 string type in test.
2090 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
2092 * include/std/any (any::any(ValueType&&)): Use __and_v.
2093 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
2096 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
2098 * include/std/type_traits (__result_of_memfun): Use remove_reference
2099 instead of __remove_cvref_t and remove redundant is_same check.
2100 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
2102 * include/experimental/string_view (basic_string_view::pointer)
2103 (basic_string_view::reference): Fix to refer to non-const value_type.
2104 * include/bits/basic_string.h (basic_string): Use __sv_check and
2105 __sv_limit instead of basic_string_view::_M_check and
2106 basic_string_view::_M_limit.
2107 * include/std/string_view (__sv_check, __sv_limit): New
2108 helper functions to replace basic_string_view::_M_check and
2109 basic_string_view::_M_limit.
2110 (basic_string_view): Add static assertions to enforce ill-formed
2111 requirement for traits_type::char_type from P1148R0, and to enforce
2112 required properties of char-like types.
2113 (basic_string_view::pointer, basic_string_view::reference): Fix to
2114 refer to non-const value_type.
2115 (basic_string_view::operator[], basic_string_view::at)
2116 (basic_string_view::front, basic_string_view::back)
2117 (basic_string_view::data): Use const_reference and const_pointer
2118 typedefs for return types.
2119 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
2120 (hash<wstring_view>): Fix argument_type typedef.
2121 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
2122 char/1.cc: Fix expected return type of basic_string_view::data().
2123 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
2124 wchar_t/1.cc: Likewise.
2125 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
2126 char/1.cc: Likewise.
2127 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
2128 wchar_t/1.cc: Likewise.
2129 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
2131 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
2132 Check reference and pointer typedefs.
2133 * testsuite/experimental/string_view/requirements/typedefs.cc:
2135 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
2136 Fix expected return type of basic_string_view::data().
2137 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
2139 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
2141 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
2145 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
2146 Avoid a runtime check for types that can never be stored in std::any.
2147 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
2150 PR libstdc++/90220 (partial)
2151 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
2152 not attempt ill-formed static_cast to pointers to non-object types.
2153 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
2156 * testsuite/20_util/variant/run.cc: Catch exception by reference to
2157 prevent -Wcatch-value warning.
2159 * include/std/variant (__variant_construct): Use template parameter
2160 type instead of equivalent decltype-specifier.
2161 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
2162 Replace forward with move.
2163 (_Move_ctor_base<false, Types...>::_M_destructive_move)
2164 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
2165 (_Move_ctor_base<true, Types...>::_M_destructive_move)
2166 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
2167 index after construction succeeds.
2168 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
2169 if-constexpr checks that are always true. Use __remove_cvref_t instead
2170 of remove_reference so that is_nothrow_move_constructible check
2171 doesn't use a const rvalue parameter. In the potentially-throwing case
2172 construct a temporary and move assign it, as per LWG 2904.
2173 (_Move_assign_base<false, Types...>::operator=): Remove redundant
2174 if-constexpr checks that are always true. Use emplace as per LWG 2904.
2175 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
2176 construct a temporary and move assign from it, as per LWG 2904.
2177 * testsuite/20_util/variant/exception_safety.cc: Check that
2178 assignment operators have strong exception safety guarantee.
2180 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
2182 Document PSTL linker flags
2184 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
2186 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
2188 * include/std/variant (__detail::__variant::_Traits): Make
2189 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
2190 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
2192 (__detail::__variant::_Copy_assign_alias): Only depend on
2193 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
2194 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
2195 move assignment operators.
2198 * include/std/variant (variant::__not_self): New helper for the
2199 is_same_v<remove_cvref_t<T>, variant>==false constraints.
2200 (variant::__to_type_impl): Remove.
2201 (variant::__to_type): Add default argument to check pack size, instead
2202 of using __to_type_impl.
2203 (variant::__accepted_type): Add default argument using __not_self.
2204 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
2205 for variant(T&&) constructor constraint.
2206 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
2207 Extract __accepted_type into a named template parameter for reuse in
2208 other constraints and in the exception specification.
2209 (variant::variant(in_place_type_t<T>, Args&&...))
2210 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
2211 (variant::variant(in_place_index_t<T>, Args&&...))
2212 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
2213 (variant::operator=T&&)): Remove redundant && from trait arguments.
2214 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
2215 isn't used for in_place_type or in_place_index arguments.
2217 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
2218 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
2219 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
2221 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2222 Bernd Edlinger <bernd.edlinger@hotmail.de>
2223 Jakub Jelinek <jakub@redhat.com>
2226 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
2227 general-regs-only target attribute for ARM.
2229 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
2232 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
2233 specialization also depend on is_nothrow_move_constructible.
2234 * include/std/variant (__detail::__variant::__never_valueless()):
2235 Only true if the variant would have a move assignment operator.
2236 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
2237 Check __never_valueless<T...>().
2238 (variant::emplace): Only perform non-throwing move assignments
2239 for never-valueless alternatives if the variant has a move assignment
2241 * testsuite/20_util/variant/compile.cc: Check that never-valueless
2242 types can be emplaced into non-assignable variants.
2243 * testsuite/20_util/variant/run.cc: Check that never-valueless types
2244 don't get copied when emplaced into non-assignable variants.
2246 * include/std/variant (__detail::__variant::__ref_cast): Remove
2248 (__detail::__variant::_Uninitialized::_M_get)
2249 (__detail::__variant::__get)
2250 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
2252 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
2254 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
2256 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
2257 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
2258 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
2259 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
2261 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2263 Delegate PSTL configuration to pstl/pstl_config.h
2265 * include/bits/c++config: Remove explicit PSTL configuration
2266 macros and use definitions from <pstl/pstl_config.h>.
2268 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2270 Cleanup algorithm implementations
2271 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
2273 (mismatch): Forward execution policy.
2274 (equal): Qualify call to std::equal().
2275 (partial_sort): Forward execution policy.
2276 (inplace_merge): Forward execution policy.
2278 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
2280 Improve implementation of parallel equal()
2281 * include/pstl/algorithm_impl.h
2282 (__internal::__brick_equal): use "4 iterator" version of
2284 (__internal::__brick_equal): use simd for random access
2285 iterators on unsequenced execution policies.
2286 (__internal::__pattern_equal): add "4 iterator" version
2287 (__internal::__pattern_equal): dispatch to simd __brick_equal
2288 for vector-only execution policies.
2289 (__internal::__pattern_equal): dispatch to __parallel_or for
2290 parallel execution policies.
2291 * include/pstl/glue_algorithm_impl.h
2292 (std::equal): dispatch to "4 iterator" version of
2293 __internal::__pattern_equal().
2295 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
2298 * include/bits/forward_list.h (operator==): Do not use operator!= to
2300 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
2301 earlier in the list, so that sort is stable.
2302 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
2303 * testsuite/23_containers/forward_list/comparable.cc: Test with
2304 types that meet the minimum EqualityComparable and LessThanComparable
2305 requirements. Remove irrelevant comment.
2307 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
2308 Do not depend on whether all alternative types are move constructible.
2309 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
2310 from the operand when deciding whether to perform the assignment.
2311 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
2312 with deleted move constructor and deleted move assignment operator.
2313 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
2314 behaviour of variants with DeletedMoves as an alternative.
2315 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
2316 (move_ctor, move_assign): Check that moving a variant with a
2317 DeletedMoves alternative falls back to copying instead of moving.
2319 * testsuite/20_util/variant/compile.cc: Remove empty string literals
2320 from static_assert declarations.
2322 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
2323 actually match its name.
2324 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
2325 (test_swap()): Fix result for MoveCtorOnly and check
2326 MoveCtorAndSwapOnly.
2328 * include/std/optional (optional::value_or(U&&) &&): Add missing
2329 constexpr specifier.
2330 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
2331 for disengaged optionals and rvalue optionals.
2332 * testsuite/20_util/optional/observers/4.cc: Likewise.
2334 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
2336 * include/pstl/algorithm_impl.h: Uglify identfiers.
2337 * include/pstl/numeric_impl.h: Uglify identfiers.
2338 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
2340 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
2342 * include/bits/c++config:
2343 Add definition for __PSTL_ASSERT.
2344 Add definition for __PSTL_ASSERT_MSG.
2345 * include/pstl/algorithm_impl.h: Replace use of assert().
2346 * include/pstl/numeric_impl.h: Replace use of assert().
2347 * include/pstl/parallel_backend_tbb.h:
2348 Replace use of assert().
2349 Replace use of __TBB_ASSERT().
2350 * include/pstl/parallel_backend_utils.h: Replace use of assert().
2352 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
2355 * src/c++17/memory_resource.cc
2356 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
2357 needed to allow placing a _Chunk at the end of the buffer.
2358 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
2360 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
2362 * doc/xml/faq.xml: Add information about emergency EH pool.
2363 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
2364 Move outdated information on mt_allocator to a separate section.
2365 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
2366 doesn't affect the default allocator.
2368 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
2372 * testsuite/20_util/variant/89851.cc: New test.
2374 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
2376 * include/std/variant: Adjust whitespace. Add comments.
2377 (_Multi_array): Leave primary template undefined.
2378 (_Multi_array<_Tp>): Define partial specialization for base case of
2380 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
2381 which is always a reference.
2382 (__gen_vtable::_S_apply()): Remove function, inline body into
2383 default member initializer.
2384 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
2386 * include/std/variant (__variant_idx_cookie): Add member type.
2387 (__visitor_result_type): Remove.
2388 (__do_visit): Use invoke_result instead of __visitor_result_type.
2389 * testsuite/20_util/variant/visit.cc: New test.
2392 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
2394 * testsuite/20_util/variant/90008.cc: New test.
2396 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
2398 * include/pstl/algorithm_impl.h: Add namespace qualification.
2399 * include/pstl/execution_defs.h: Add namespace qualification.
2400 * include/pstl/execution_impl.h: Add namespace qualification.
2401 * include/pstl/numeric_impl.h: Add namespace qualification.
2402 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
2403 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
2404 * include/pstl/parallel_backend_utils.h: Include <cassert>.
2406 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
2408 Fix visit<R> for variant.
2409 * include/std/variant (__do_visit): Add a template parameter
2410 for enforcing same return types for visit.
2411 (__gen_vtable_impl): Likewise.
2412 (_S_apply_single_alt): Adjust.
2413 (__visit_invoke_impl): New. Handle casting to void.
2414 (__do_visit_invoke): New. Enforces same return types.
2415 (__do_visit_invoke_r): New. Converts return types.
2416 (__visit_invoke): Adjust.
2417 (__gen_vtable): Add a template parameter for enforcing
2418 same return types for visit.
2419 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
2420 different return types.
2421 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
2422 visitors with different return types don't accidentally
2423 compile with regular visitation.
2425 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
2427 * testsuite/27_io/filesystem/iterators/caching.cc: Add
2428 dg-require-filesystem-ts.
2430 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
2432 * doc/xml/manual/status_cxx2020.xml: Update status.
2433 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
2434 * testsuite/20_util/variant/visit_r.cc: New test.
2436 * include/bits/fs_dir.h (directory_iterator::operator*)
2437 (directory_iterator::operator->): Add noexcept.
2438 (operator==, operator!=): Replace namespace-scope equality operators
2439 for directory iterators with hidden friends.
2442 * config/abi/pre/gnu.ver: Add missing exports.
2443 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
2446 * config/abi/pre/gnu.ver: Export new symbols.
2447 * include/bits/fs_dir.h (recursive_directory_iterator::options())
2448 (recursive_directory_iterator::recursion_pending())
2449 (recursive_directory_iterator::disable_recursion_pending()): Remove
2450 inline definitions. Make noexcept.
2451 (recursive_directory_iterator::depth())
2452 (recursive_directory_iterator::operator*())
2453 (recursive_directory_iterator::operator->()): Make noexcept.
2454 (recursive_directory_iterator::_M_options)
2455 (recursive_directory_iterator::_M_pending): Remove data members.
2456 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
2457 (recursive_directory_iterator::recursive_directory_iterator): Remove
2458 ctor-initializer. Use new constructor for _Dir_stack.
2459 (recursive_directory_iterator::options())
2460 (recursive_directory_iterator::recursion_pending())
2461 (recursive_directory_iterator::disable_recursion_pending()): Add
2462 non-inline definitions.
2463 (recursive_directory_iterator::depth()): Make noexcept.
2464 (recursive_directory_iterator::increment(error_code&))
2465 (recursive_directory_iterator::pop(error_code&)): Adjust to new
2466 location of options and recursion_pending members.
2467 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
2468 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
2469 user-declared move constructor and assignment operator, to make the
2472 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
2473 d_type == DT_UNKNOWN immediately.
2474 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
2476 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
2478 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
2480 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
2481 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
2484 PR libstdc++/87431 (again)
2485 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
2486 Define partial specialization for basic_string.
2487 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
2488 shared_ptr and weak_ptr.
2489 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
2491 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
2493 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
2495 * include/debug/vector (_Never_valueless_alt): Likewise for debug
2497 * include/std/any (_Never_valueless_alt): Define explicit
2498 specialization for any.
2499 * include/std/variant (_Never_valueless_alt): Define primary template.
2500 (__never_valueless): Use _Never_valueless_alt instead of
2501 is_trivially_copyable.
2502 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
2503 initializations to avoid try-catch overhead. Add special case for
2504 scalars produced by potentially-throwing conversions. Use
2505 _Never_valueless_alt instead of is_trivially_copyable for the
2506 remaining strong exception-safety cases.
2507 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
2508 * testsuite/20_util/variant/87431.cc: Run both test functions.
2509 * testsuite/20_util/variant/exception_safety.cc: New test.
2510 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
2511 so the variant becomes valueless.
2513 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
2516 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
2518 (variant::emplace<_Tp>): Return result of emplace<N> directly.
2520 * include/std/string (__hash_string_base): New class template defining
2521 operator() for hashing strings.
2522 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
2523 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
2524 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
2525 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
2527 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
2529 Use single-visitation in variant assignment and swap and relops.
2530 Also use indices instead of types when checking whether
2531 variants hold the same thing.
2532 * include/std/variant (__do_visit): Add a template parameter
2533 for index visitation, invoke with indices if index visitation
2535 (__variant_idx_cookie): New.
2536 (__visit_with_index): Likewise.
2537 (_Copy_assign_base::operator=): Do single-visitation with
2539 (_Move_assign_base::operator=): Likewise.
2540 (_Extra_visit_slot_needed): Adjust.
2541 (__visit_invoke): Call with indices if it's an index visitor.
2542 (relops): Do single-visitation with an index visitor.
2544 (__visitor_result_type): New.
2546 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
2548 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
2550 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2552 Don't revisit a variant we are already visiting.
2553 * include/std/variant (__variant_construct_single): New.
2554 (__variant_construct): Use it.
2555 (_M_destructive_move): Likewise.
2556 (_M_destructive_copy): Likewise.
2557 (_Copy_assign_base::operator=): Adjust.
2558 (_Move_assign_base::operator=): Likewise.
2561 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
2564 * include/bits/hashtable.h (_Hashtable): Move static assertions to
2565 destructor so they are not evaluated until the _Key type is complete.
2566 * include/bits/stl_tree.h (_Rb_tree): Likewise.
2567 * testsuite/23_containers/set/85965.cc: New test.
2568 * testsuite/23_containers/unordered_set/85965.cc: New test.
2569 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
2570 with regexp matching the corresponding _Rb_tree specialization.
2571 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2572 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
2573 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2574 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2575 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2576 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2577 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2579 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2582 Fix based on a suggestion by Antony Polukhin.
2583 * include/std/variant (__never_valueless): New.
2585 (_Extra_visit_slot_needed): New.
2586 (_Multi_array): Use it.
2587 (_S_apply_all_alts): Likewise.
2589 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2592 Fix based on a suggestion by Antony Polukhin.
2593 * include/std/variant (__gen_vtable): Don't reserve an
2594 additional table slot, _Multi_array already does that.
2596 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2599 Fix based on a suggestion by Antony Polukhin.
2600 * include/std/variant (__variant_construct): Capture a pointer
2601 to the storage and visit just one variant.
2603 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
2605 * doc/xml/manual/backwards_compatibility.xml: Remove link to
2606 Doxygen-generated pages with unstable URL.
2607 * doc/xml/manual/concurrency_extensions.xml: Likewise.
2608 * doc/xml/manual/extensions.xml: Likewise.
2609 * doc/xml/manual/parallel_mode.xml: Likewise.
2610 * doc/xml/manual/support.xml: Likewise.
2612 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
2613 avoid -Wconversion warnings.
2615 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
2617 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
2618 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
2619 (allstamped): Add stamp-pstl.
2620 (install-headers): Add ptsl_builddir.
2621 * include/Makefile.in: Regenerate.
2622 * include/bits/c++config: Add pstl configuration.
2623 * include/pstl/LICENSE.txt: New file.
2624 * include/pstl/algorithm_fwd.h: New file.
2625 * include/pstl/algorithm_impl.h: New file.
2626 * include/pstl/execution_defs.h: New file.
2627 * include/pstl/execution_impl.h: New file.
2628 * include/pstl/glue_algorithm_defs.h: New file.
2629 * include/pstl/glue_algorithm_impl.h: New file.
2630 * include/pstl/glue_execution_defs.h: New file.
2631 * include/pstl/glue_memory_defs.h: New file.
2632 * include/pstl/glue_memory_impl.h: New file.
2633 * include/pstl/glue_numeric_defs.h: New file.
2634 * include/pstl/glue_numeric_impl.h: New file.
2635 * include/pstl/memory_impl.h: New file.
2636 * include/pstl/numeric_fwd.h: New file.
2637 * include/pstl/numeric_impl.h: New file.
2638 * include/pstl/parallel_backend.h: New file.
2639 * include/pstl/parallel_backend_tbb.h: New file.
2640 * include/pstl/parallel_backend_utils.h: New file.
2641 * include/pstl/parallel_impl.h: New file.
2642 * include/pstl/pstl_config.h: New file.
2643 * include/pstl/unseq_backend_simd.h: New file.
2644 * include/pstl/utils.h: New file.
2645 * include/std/algorithm: Include parallel algorithm implementations.
2646 * include/std/execution: New file.
2647 * include/std/memory: Include parallel algorithm implementations.
2648 * include/std/numeric: Include parallel algorithm implementations.
2649 * include/std/version: Add parallel algorithms feature test macro.
2650 * testsuite/util/pstl/pstl_test_config.h: New file.
2651 * testsuite/util/pstl/test_utils.h: New file.
2652 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2653 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2654 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2655 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2656 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2657 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2658 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2659 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2660 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2661 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2662 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2663 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2664 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2665 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2666 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2667 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2668 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2669 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2670 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2671 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2672 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2673 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2674 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2675 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2676 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2677 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2678 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2679 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2680 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2681 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2682 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2683 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2684 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2685 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2686 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2687 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2688 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2689 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2690 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2691 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2692 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2693 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2694 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2695 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2696 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2697 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2698 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2699 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2700 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2701 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2702 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2703 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2704 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2705 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2706 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2707 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2708 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2709 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2710 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2711 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2712 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2713 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2714 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2715 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2716 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2717 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2718 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2719 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2720 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2721 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2722 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2723 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2724 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2725 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2726 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2727 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2728 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2729 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2730 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2731 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2732 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2733 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2734 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2735 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2736 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2737 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2738 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2739 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2740 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2741 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2742 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2743 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2744 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2745 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2746 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2747 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2748 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2749 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2750 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2751 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2752 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2753 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2754 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2755 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2756 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2757 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2759 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
2761 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
2762 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
2763 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
2764 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
2765 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
2766 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
2767 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
2768 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
2769 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
2770 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
2771 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
2772 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
2773 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
2774 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
2775 when the special functions IS is enabled, not for C++17.
2776 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
2778 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
2779 without checks for special functions in C++17.
2780 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
2784 * include/backward/hash_map: Use <> for includes not "".
2785 * include/backward/hash_set: Likewise.
2786 * include/backward/strstream: Likewise.
2787 * include/tr1/bessel_function.tcc: Likewise.
2788 * include/tr1/exp_integral.tcc: Likewise.
2789 * include/tr1/legendre_function.tcc: Likewise.
2790 * include/tr1/modified_bessel_func.tcc: Likewise.
2791 * include/tr1/riemann_zeta.tcc: Likewise.
2793 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
2795 * doc/xml/manual/allocator.xml: Link to table documenting evolution
2796 of extension allocators.
2797 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
2798 Document new headers in 7.2, 8.1 and 9.1 releases.
2799 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
2800 * doc/html/*: Regenerate.
2802 2019-03-12 John David Anglin <dave.anglin@bell.net>
2805 * testsuite/lib/libstdc++.exp: Locate libatomic.
2806 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
2807 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
2809 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
2810 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
2811 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
2812 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
2814 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
2817 * configure.ac: Check for sockatmark.
2818 * crossconfig.m4: Check for sockatmark.
2819 * config.h.in: Regenerate.
2820 * configure: Regenerate.
2821 * include/experimental/internet (address_v4::_S_hton): Rename
2822 overloaded functions to _S_hton_16 and _S_ntoh_16.
2823 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
2824 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
2825 * include/experimental/socket (basic_socket::at_mark): Check
2826 _GLIBCXX_HAVE_SOCKATMARK.
2828 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
2829 const variables instead of macros.
2832 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
2833 Use correct type for len_aligned.
2834 * testsuite/20_util/hash/89629.cc: New test.
2836 2019-03-11 Jakub Jelinek <jakub@redhat.com>
2839 * include/std/atomic (atomic<T>::store, atomic<T>::load,
2840 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
2841 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
2842 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
2843 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
2844 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
2845 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
2846 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
2847 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
2848 memory_order_seq_cst to int.
2850 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
2852 * doc/xml/manual/using.xml: Use link element instead of xref.
2853 * doc/html/*: Regenerate.
2855 * include/bits/fs_path.h (path::format): Add fixed underlying type.
2857 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
2860 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
2861 parameters in deduction guides.
2862 * include/debug/multimap.h (multimap): Likewise.
2863 * include/debug/set.h (multimap): Likewise.
2864 * include/debug/multiset.h (multimap): Likewise.
2865 * include/debug/unordered_map (unordered_map): Likewise.
2866 (unordered_multimap): Likewise.
2867 * include/debug/unordered_set (unordered_set): Likewise.
2868 (unordered_multiset): Likewise.
2871 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
2872 Invalidate all iterators in case of rehash.
2873 (unordered_multimap<>::_M_check_rehashed): Likewise.
2874 * include/debug/unordered_set
2875 (unordered_set<>::_M_check_rehashed): Likewise.
2876 (unordered_multiset<>::_M_check_rehashed): Likewise.
2877 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
2879 2019-03-07 Andreas Schwab <schwab@suse.de>
2881 * config/abi/post/riscv64-linux-gnu: New directory.
2882 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
2884 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
2886 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
2887 compile test to run. Fix typo.
2889 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
2890 * doc/html/*: Regenerate.
2892 P0356R5 Simplified partial function application
2893 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
2894 helpers for bind_front.
2895 (bind_front, __cpp_lib_bind_front): Define.
2896 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
2898 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
2900 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
2901 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
2902 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
2903 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2905 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
2907 PR libstdc++/86655 - std::assoc_legendre should not constrain
2908 the value of m (or x).
2909 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
2910 __sph_legendre): If degree > order Don't throw, return 0.
2911 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
2912 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
2913 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
2914 * testsuite/tr1/5_numerical_facilities/special_functions/
2915 02_assoc_legendre/pr86655.cc: New test.
2916 * testsuite/tr1/5_numerical_facilities/special_functions/
2917 22_sph_legendre/pr86655.cc: New test.
2919 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
2922 Also PR libstdc++/85517
2923 * include/std/variant (__do_visit): New.
2924 (__variant_cast): Likewise.
2925 (__variant_cookie): Likewise.
2926 (__erased_*): Remove.
2927 (_Variant_storage::_S_vtable): Likewise.
2928 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
2929 (_Variant_storage::__M_reset): Adjust.
2930 (__variant_construct): New.
2931 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
2932 __variant_construct.
2933 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
2934 (_Move_ctor_base::__M_destructive_copy): New.
2935 (_Move_ctor_base::__M_destructive_move): Adjust to use
2936 __variant_construct.
2937 (_Copy_assign_base::operator=): Adjust to use __do_visit.
2938 (_Copy_assign_alias): Adjust to check both copy assignment
2939 and copy construction for triviality.
2940 (_Move_assign_base::operator=): Adjust to use __do_visit.
2941 (_Multi_array): Add support for visitors that accept and return
2943 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
2944 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
2945 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
2946 a __variant_cookie temporary for a variant that is valueless and..
2947 (__gen_vtable_impl::__visit_invoke): ..adjust here.
2948 (__gen_vtable::_Array_type): Conditionally make space for
2949 the __variant_cookie visitor case.
2950 (__variant_construct_by_index): New.
2951 (get_if): Adjust to use std::addressof.
2952 (relops): Adjust to use __do_visit.
2953 (variant): Add __variant_cast and __variant_construct_by_index
2955 (variant::emplace): Use _M_reset() and __variant_construct_by_index
2956 instead of self-destruction.
2957 (variant::swap): Adjust to use __do_visit.
2958 (visit): Reimplement in terms of __do_visit.
2959 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
2960 * testsuite/20_util/variant/compile.cc: Adjust.
2961 * testsuite/20_util/variant/run.cc: Likewise.
2963 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
2965 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
2967 * testsuite/experimental/feat-char8_t.cc: Likewise.
2969 * include/std/type_traits [C++20] (is_bounded_array)
2970 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
2972 * testsuite/20_util/is_bounded_array/requirements/
2973 explicit_instantiation.cc: New test.
2974 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
2976 * testsuite/20_util/is_bounded_array/value.cc: New test.
2977 * testsuite/20_util/is_unbounded_array/requirements/
2978 explicit_instantiation.cc: New test.
2979 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
2981 * testsuite/20_util/is_unbounded_array/value.cc: New test.
2983 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
2985 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
2987 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
2989 * include/c_compatibility/math.h [C++20] (lerp): Add using
2991 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
2992 (__lerp): Define function template to implement lerp.
2993 (lerp(float, float, float), lerp(double, double, double))
2994 (lerp(long double, long double, long double)): Define for C++20.
2995 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
2996 (midpoint(T, T), midpoint(T*, T*)): Define.
2997 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
2998 * testsuite/26_numerics/lerp.cc: New test.
2999 * testsuite/26_numerics/midpoint/floating.cc: New test.
3000 * testsuite/26_numerics/midpoint/integral.cc: New test.
3001 * testsuite/26_numerics/midpoint/pointer.cc: New test.
3003 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
3005 PR libstdc++/88996 Implement P0439R0
3006 Make std::memory_order a scoped enumeration.
3007 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
3008 add variables for the old enumerators. Adjust calls.
3009 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
3010 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
3012 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
3014 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
3017 * include/std/memory_resource (polymorphic_allocator): Add default
3018 template argument for C++20.
3019 (polymorphic_allocator::allocate_bytes)
3020 (polymorphic_allocator::deallocate_bytes)
3021 (polymorphic_allocator::allocate_object)
3022 (polymorphic_allocator::deallocate_object)
3023 (polymorphic_allocator::new_object)
3024 (polymorphic_allocator::delete_object): New member functions for
3026 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
3029 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
3032 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
3035 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
3037 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
3038 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
3040 * include/std/memory (uses_allocator_construction_args): New set of
3041 overloaded functions.
3042 (make_obj_using_allocator, uninitialized_construct_using_allocator):
3044 * include/std/memory_resource (polymorphic_allocator::construct)
3045 [__cplusplus > 201703l]: Replace all overloads with a single function
3046 using uses_allocator_construction_args.
3047 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
3049 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
3051 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
3054 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
3055 stylesheet directories before check for xsltproc. Try to use
3056 xmlcatalog to find local stylesheet directory before trying hardcoded
3057 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
3058 check to look for the same stylesheet as doc/Makefile.am uses. Don't
3059 use xsltproc if xmlcatalog fails to find a local stylesheet.
3060 * configure.ac: Check for xmlcatalog.
3061 * Makefile.in: Regenerate.
3062 * configure: Likewise.
3063 * doc/Makefile.in: Likewise.
3064 * include/Makefile.in: Likewise.
3065 * libsupc++/Makefile.in: Likewise.
3066 * po/Makefile.in: Likewise.
3067 * python/Makefile.in: Likewise.
3068 * src/Makefile.in: Likewise.
3069 * src/c++11/Makefile.in: Likewise.
3070 * src/c++17/Makefile.in: Likewise.
3071 * src/c++98/Makefile.in: Likewise.
3072 * src/filesystem/Makefile.in: Likewise.
3073 * testsuite/Makefile.in: Likewise.
3075 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
3078 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
3079 container deduction guides.
3080 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
3081 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
3082 parameters in deduction guides.
3083 * include/bits/stl_multimap.h (multimap): Likewise.
3084 * include/bits/stl_multiset.h (multiset): Likewise.
3085 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
3086 * include/bits/stl_set.h (set): Likewise.
3087 * include/bits/stl_stack.h (stack): Likewise.
3088 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
3089 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
3090 constrain parameters in deduction guides.
3091 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
3093 * testsuite/23_containers/map/cons/deduction.cc: Test additional
3095 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
3096 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
3097 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
3098 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
3100 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
3102 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
3105 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
3106 to class template and partial specialization using void_t.
3107 (__is_copy_insertable, __is_move_insertable): Adjust base class.
3109 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
3112 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
3113 copy and move members public.
3115 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
3117 * include/std/type_traits (__underlying_type_impl): New helper to
3118 make underlying_type SFINAE-friendly.
3119 (underlying_type): Derive from __underlying_type_impl.
3120 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
3124 * include/bits/char_traits.h (__constant_char_array): Check index is
3125 in range before dereferencing.
3126 (char_traits<char>::compare, char_traits<char>::find)
3127 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
3128 immediately if n is zero.
3129 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
3130 Remove workarounds for PR 67026.
3131 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
3133 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
3136 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
3138 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
3139 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
3141 2019-02-22 Jakub Jelinek <jakub@redhat.com>
3144 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
3145 type to std::size_t and argument to type to long double.
3147 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
3149 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
3150 * config/abi/post/sparc64-linux-gnu: New directory.
3151 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
3152 * config/abi/post/sparc64-linux-gnu/32: New directory.
3153 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
3155 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
3157 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
3158 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
3161 2019-02-22 Tom Honermann <tom@honermann.net>
3163 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
3164 printers for u8string and u8string_view.
3166 2019-02-22 Tom Honermann <tom@honermann.net>
3168 * testsuite/18_support/byte/ops.cc: Validate
3169 std::to_integer<char8_t>, std::to_integer<char16_t>, and
3170 std::to_integer<char32_t>.
3171 * testsuite/18_support/numeric_limits/dr559.cc: Validate
3172 std::numeric_limits<char8_t>.
3173 * testsuite/18_support/numeric_limits/lowest.cc: Validate
3174 std::numeric_limits<char8_t>::lowest().
3175 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
3176 std::numeric_limits<char8_t>::max_digits10.
3177 * testsuite/18_support/type_info/fundamental.cc: Validate
3178 typeinfo for char8_t.
3179 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
3180 std::from_chars with char8_t.
3181 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
3182 Validate explicit instantiation of std::hash<char8_t>.
3183 * testsuite/20_util/is_integral/value.cc: Validate
3184 std::is_integral<char8_t>.
3185 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
3186 Validate std::make_signed<char8_t>.
3187 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
3188 Validate u8string construction from char8_t sources.
3189 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
3191 * testsuite/21_strings/basic_string_view/operations/compare/
3192 char/70483.cc: Validate substr operations on u8string_view.
3193 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
3194 the u8string_view typedef is defined.
3195 * testsuite/21_strings/char_traits/requirements/
3196 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
3198 * testsuite/21_strings/char_traits/requirements/
3199 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
3200 constexpr member functions.
3201 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
3202 that the u8string typedef is defined.
3203 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
3204 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
3205 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
3206 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
3208 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
3209 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
3211 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
3212 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
3213 Validate std::atomic<char8_t>::is_always_lock_free
3214 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
3215 Update line numbers.
3216 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
3218 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
3220 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
3221 Validate std::experimental::pmr::u8string.
3222 * testsuite/experimental/string_view/typedefs.cc: Validate that the
3223 u8string_view typedef is defined.
3224 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
3225 char32_t to the typelists.
3227 2019-02-22 Tom Honermann <tom@honermann.net>
3229 * include/ext/typelist.h: Constrain a partial specialization of
3230 typelist::detail::append_ to only match chain<T1,T2>.
3232 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
3235 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
3236 class template with class. Replace move and copy member types with
3237 member alias templates, so they are only instantiated when needed.
3238 (__is_copy_insertable, __is_move_insertable): Adjust base class.
3239 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
3240 test for C++11/14/17 as well.
3241 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
3244 2019-02-20 Jakub Jelinek <jakub@redhat.com>
3247 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
3248 _GLIBCXX_PURE to the alias declaration.
3250 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
3252 * testsuite/21_strings/basic_string/literals/types.cc
3253 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
3254 * testsuite/21_strings/basic_string/literals/values.cc
3255 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3256 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
3257 potentially having different type.
3258 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
3259 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
3261 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
3262 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
3263 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
3264 string literals only using basic character set.
3265 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
3266 u8 literals to char.
3267 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
3268 Test ATOMIC_CHAR8_T_LOCK_FREE.
3269 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
3270 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
3271 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
3272 * testsuite/experimental/string_view/literals/types.cc
3273 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
3275 * testsuite/experimental/string_view/literals/values.cc
3276 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3278 2019-02-19 Tom Honermann <tom@honermann.net>
3280 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
3281 from char16_32_t.cc; validates numeric_limits<char8_t>.
3282 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
3283 test cloned from types.cc; validates operator""s for char8_t
3285 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
3286 test cloned from values.cc; validates construction and comparison
3288 * testsuite/21_strings/basic_string/requirements/
3289 /explicit_instantiation/char8_t/1.cc: New test cloned from
3290 char16_t/1.cc; validates explicit instantiation of
3291 basic_string<char8_t>.
3292 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
3293 New test cloned from types.cc; validates operator""sv for char8_t
3294 returns u8string_view.
3295 * testsuite/21_strings/basic_string_view/literals/
3296 values-char8_t.cc: New test cloned from values.cc; validates
3297 construction and comparison of u8string_view values.
3298 * testsuite/21_strings/basic_string_view/requirements/
3299 explicit_instantiation/char8_t/1.cc: New test cloned from
3300 char16_t/1.cc; validates explicit instantiation of
3301 basic_string_view<char8_t>.
3302 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
3303 New test cloned from char16_t/65049.cc; validates that
3304 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
3305 * testsuite/21_strings/char_traits/requirements/char8_t/
3306 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
3307 that char_traits<char8_t> member typedefs are present and correct.
3308 * testsuite/21_strings/char_traits/requirements/
3309 explicit_instantiation/char8_t/1.cc: New test cloned from
3310 char16_t/1.cc; validates explicit instantiation of
3311 char_traits<char8_t>.
3312 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
3313 from char16_t.cc: validates
3314 codecvt<char16_t, char8_t, mbstate_t>.
3315 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
3316 from char32_t.cc: validates
3317 codecvt<char32_t, char8_t, mbstate_t>.
3318 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
3319 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
3320 codecvt<char32_t, char8_t, std::mbstate_t>.
3321 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
3322 test cloned from string.cc; validates filesystem::path construction
3324 * testsuite/experimental/feat-char8_t.cc: New test; validates that
3325 the __cpp_lib_char8_t feature test macro is defined with the
3327 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3328 New test cloned from string.cc; validates filesystem::path
3329 construction from char8_t input.
3330 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
3331 test cloned from types.cc; validates operator""sv for char8_t
3332 returns u8string_view.
3333 * testsuite/experimental/string_view/literals/values-char8_t.cc:
3334 New test cloned from values.cc; validates construction and
3335 comparison of u8string_view values.
3336 * testsuite/experimental/string_view/requirements/
3337 explicit_instantiation/char8_t/1.cc: New test cloned from
3338 char16_t/1.cc; validates explicit instantiation of
3339 basic_string_view<char8_t>.
3340 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
3341 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
3344 2019-02-19 Tom Honermann <tom@honermann.net>
3346 P0482R5 char8_t: Standard library support
3347 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
3348 typeinfo symbols for char8_t.
3349 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
3350 (GLIBCXX_3.4.26): Add symbols for specializations of
3351 numeric_limits and codecvt that involve char8_t.
3352 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
3353 * include/bits/atomic_base.h: Add atomic_char8_t.
3354 * include/bits/basic_string.h: Add std::hash<u8string> and
3355 operator""s(const char8_t*, size_t).
3356 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
3358 * include/bits/char_traits.h: Add char_traits<char8_t>.
3359 * include/bits/codecvt.h: Add
3360 codecvt<char16_t, char8_t, mbstate_t>,
3361 codecvt<char32_t, char8_t, mbstate_t>,
3362 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3363 codecvt_byname<char32_t, char8_t, mbstate_t>.
3364 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
3365 recognize char8_t as an integral type.
3366 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
3368 (path::u8string): Return std::u8string when char8_t support is
3370 (path::generic_u8string): Likewise.
3371 (path::_S_convert): Handle conversion from char8_t input.
3372 (path::_S_str_convert): Likewise.
3373 * include/bits/functional_hash.h: Add hash<char8_t>.
3374 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
3376 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
3377 for new char8_t specializations.
3378 * include/bits/localefwd.h: Add missing declarations of
3379 codecvt<char16_t, char, mbstate_t> and
3380 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
3381 codecvt<char16_t, char8_t, mbstate_t> and
3382 codecvt<char32_t, char8_t, mbstate_t>.
3383 * include/bits/postypes.h: Add u8streampos
3384 * include/bits/stringfwd.h: Add declarations of
3385 char_traits<char8_t> and u8string.
3386 * include/c_global/cstddef: Add __byte_operand<char8_t>.
3387 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3389 (path::u8string): Return std::u8string when char8_t support is
3391 (path::generic_u8string): Likewise.
3392 (path::_S_convert): Handle conversion from char8_t input.
3393 (path::_S_str_convert): Likewise.
3394 * include/experimental/string: Add u8string.
3395 * include/experimental/string_view: Add u8string_view,
3396 hash<experimental::u8string_view>, and
3397 operator""sv(const char8_t*, size_t).
3398 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
3399 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
3400 as a character type.
3401 * include/std/limits: Add numeric_limits<char8_t>.
3402 * include/std/string_view: Add u8string_view,
3403 hash<experimental::u8string_view>, and
3404 operator""sv(const char8_t*, size_t).
3405 * include/std/type_traits: Add __is_integral_helper<char8_t>,
3406 __make_unsigned<char8_t>, and __make_signed<char8_t>.
3407 * libsupc++/atomic_lockfree_defines.h: Define
3408 ATOMIC_CHAR8_T_LOCK_FREE.
3409 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
3410 codecvt.cc and limits.cc so that char8_t specializations of
3411 numeric_limits and codecvt and emitted.
3412 * src/c++11/Makefile.in: Likewise.
3413 * src/c++11/codecvt.cc: Define members of
3414 codecvt<char16_t, char8_t, mbstate_t>,
3415 codecvt<char32_t, char8_t, mbstate_t>,
3416 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3417 codecvt_byname<char32_t, char8_t, mbstate_t>.
3418 * src/c++11/limits.cc: Define members of
3419 numeric_limits<char8_t>.
3420 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
3421 locale_init.cc and localename.cc.
3422 * src/c++98/Makefile.in: Likewise.
3423 * src/c++98/locale_init.cc: Add initialization for the
3424 codecvt<char16_t, char8_t, mbstate_t> and
3425 codecvt<char32_t, char8_t, mbstate_t> facets.
3426 * src/c++98/localename.cc: Likewise.
3427 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
3429 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
3431 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
3432 * 27_io/filesystem/operations/resize_file.cc: Likewise.
3433 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
3435 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
3437 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
3438 * doc/html/*: Regenerate.
3440 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
3441 * doc/html/*: Regenerate.
3443 * doc/xml/manual/intro.xml: Document LWG 2586 status.
3444 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
3445 allocator type in is_constructible checks.
3446 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
3447 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
3448 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
3449 problematic type from LWG 2586 discussion.
3450 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
3451 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
3453 * configure.ac: Check for C11 timespec_get function.
3454 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
3456 * config.h.in: Regenerate.
3457 * configure: Regenerate.
3458 * include/c_global/ctime (timespec, timespec_get): Add to namespace
3459 std for C++17 and up.
3461 * doc/xml/manual/intro.xml: Document LWG 2537 status.
3462 * include/bits/stl_queue.h
3463 (priority_queue(const Compare&, const Container&, const Alloc&))
3464 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
3466 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
3468 * doc/xml/manual/intro.xml: Document LWG 2566 status.
3469 * include/bits/stl_queue.h (queue, priority_queue): Add static
3470 assertions to enforce LWG 2566 requirement on value_type.
3471 * include/bits/stl_stack.h (stack): Likewise.
3474 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
3476 * doc/xml/manual/intro.xml: Document LWG 2735 status.
3477 * include/bits/std_abs.h: Add comment about LWG 2735.
3478 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
3480 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
3483 * include/std/version [__cpp_impl_destroying_delete]
3484 (__cpp_lib_destroying_delete): Only define for C++2a and later.
3485 * libsupc++/new [__cpp_impl_destroying_delete]
3486 (__cpp_lib_destroying_delete): Likewise.
3487 (destroying_delete_t, destroying_delete): Likewise, but define even
3488 when __cpp_impl_destroying_delete is not defined.
3489 * testsuite/18_support/destroying_delete.cc: New test.
3491 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
3494 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
3495 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
3496 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
3497 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
3499 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
3502 * include/bits/fs_path.h (path::has_root_name)
3503 (path::has_root_directory, path::has_root_path)
3504 (path::has_relative_path, path::has_parent_path)
3505 (path::has_filename, path::has_stem, path::has_extension)
3506 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
3508 * src/c++17/fs_path.cc (path::has_root_name)
3509 (path::has_root_directory, path::has_root_path)
3510 (path::has_relative_path, path::has_parent_path)
3511 (path::has_filename, path::_M_find_extension): Add noexcept.
3513 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
3515 PR libstdc++/89102 (partial)
3516 * include/std/type_traits (common_type<>): Define.
3517 (common_type<T>): Derive from common_type<T, T>.
3518 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3519 Test zero-length template argument list.
3520 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3521 Test additional single argument cases.
3522 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3523 Adjust expected error.
3525 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
3528 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
3530 * include/bits/stl_stack.h (stack): Likewise.
3531 * testsuite/23_containers/priority_queue/deduction.cc: New test.
3532 * testsuite/23_containers/queue/deduction.cc: New test.
3533 * testsuite/23_containers/stack/deduction.cc: New test.
3536 * include/std/type_traits (__is_convertible_helper)
3537 (__is_convertible_helper<_From, _To, false>): Revert changes to
3538 support is_nothrow_convertible.
3539 (__is_nt_convertible_helper): New helper.
3540 (is_nothrow_convertible): Use __is_nt_convertible_helper.
3542 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
3543 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
3546 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
3547 __is_alloc_insertable_impl. Replace single type member with two
3548 members, one for each of copy and move insertable.
3549 (__is_move_insertable): New trait for internal use.
3550 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
3551 (vector::_S_nothrow_relocate(true_type)): New functions to
3552 conditionally check if __relocate_a can throw.
3553 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
3554 on __is_move_insertable.
3555 (vector::_S_do_relocate): New overloaded functions to conditionally
3557 (vector::_S_relocate): New function that dispatches to _S_do_relocate
3558 based on _S_use_relocate.
3559 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3560 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
3561 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
3564 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
3565 parameter unnamed. Add message to static assertion.
3566 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3567 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
3570 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
3573 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
3575 (__is_bitwise_relocatable): ... to this.
3576 (__relocate_a_1): Adapt.
3577 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
3578 (__is_bitwise_relocatable): ... to this.
3580 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
3583 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
3584 final component as well as from _M_pathname. Append the dot using
3585 operator+= instead of only to _M_pathname.
3586 (path::_M_find_extension): Reformat slightly.
3587 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
3588 Add more test cases.
3590 2019-01-30 Ulrich Drepper <drepper@redhat.com>
3592 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
3594 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
3596 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
3597 constexpr specifiers from arg and proj.
3599 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
3600 __shared_ptr instantiations used by gcc4-compatible ABI.
3602 * include/experimental/forward_list (experimental::erase): Qualify
3604 * include/experimental/list (experimental::erase): Likewise.
3605 * include/std/forward_list (std::erase): Likewise.
3606 * include/std/list (std::erase): Likewise.
3608 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
3610 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
3611 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
3612 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
3613 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
3614 * testsuite/ext/array_allocator/26875.cc: Likewise.
3615 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
3616 * testsuite/util/replacement_memory_operators.h: Likewise.
3617 * testsuite/util/testsuite_allocator.h: Likewise.
3619 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
3620 normal mode vector, even for debug mode.
3621 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
3622 Define alias template for normal mode vector.
3624 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
3627 * config/locale/generic/c_locale.h (__convert_from_v)
3628 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3629 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3630 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
3631 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3633 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
3636 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
3637 data member with static member function _S_use_relocate().
3638 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3639 (vector::_M_default_append): Use _S_use_relocate() instead of
3642 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
3645 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
3648 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
3649 write to stderr instead of using printf.
3651 2019-01-21 Jakub Jelinek <jakub@redhat.com>
3654 * include/bits/char_traits.h (__constant_string_p,
3655 __constant_char_array_p): Use __builtin_is_constant_evaluated if
3658 2019-01-20 Ulrich Drepper <drepper@redhat.com>
3660 Implement C++20 P0600r1.
3661 * include/backward/hash_map: Add nodiscard attribute to empty.
3662 * include/backward/hash_set: Likewise.
3663 * backward/hashtable.h: Likewise.
3664 * include/bits/basic_string.h: Likewise.
3665 * include/bits/forward_list.h: Likewise.
3666 * include/bits/hashtable.h: Likewise.
3667 * include/bits/regex.h: Likewise.
3668 * include/bits/stl_deque.h: Likewise.
3669 * include/bits/stl_list.h: Likewise.
3670 * include/bits/stl_map.h: Likewise.
3671 * include/bits/stl_multimap.h: Likewise.
3672 * include/bits/stl_multiset.h: Likewise.
3673 * include/bits/stl_queue.h: Likewise.
3674 * include/bits/stl_set.h: Likewise.
3675 * include/bits/stl_stack.h: Likewise.
3676 * include/bits/stl_tree.h: Likewise.
3677 * include/bits/stl_vector.h: Likewise.
3678 * include/bits/unordered_map.h: Likewise.
3679 * include/bits/unordered_set.h: Likewise.
3680 * include/debug/array: Likewise.
3681 * include/experimental/any: Likewise.
3682 * include/experimental/bits/fs_path.h: Likewise.
3683 * include/experimental/internet: Likewise.
3684 * include/experimental/string_view: Likewise.
3685 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
3687 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
3689 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
3691 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
3693 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
3695 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
3697 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
3699 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
3701 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3702 info_fn_imps.hpp: Likewise.
3703 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3704 left_child_next_sibling_heap_.hpp: Likewise.
3705 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
3707 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
3709 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
3711 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
3713 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
3715 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
3717 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
3719 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
3720 * include/ext/pb_ds/trie_policy.hpp: Likewise.
3721 * include/ext/rope: Likewise.
3722 * include/ext/slist: Likewise.
3723 * include/ext/vstring.h: Likewise.
3724 * include/profile/array: Likewise.
3725 * include/std/array: Likewise.
3726 * include/tr1/array: Likewise.
3727 * include/tr1/hashtable.h: Likewise.
3728 * include/tr1/regex: Likewise.
3729 * include/tr2/dynamic_bitset: Likewise.
3730 * include/bits/alloc_traits.h: Add nodiscard attribute to
3732 * include/experimental/memory_resource: Likewise.
3733 * include/ext/alloc_traits.h: Likewise.
3734 * include/ext/array_allocator.h: Likewise.
3735 * include/ext/bitmap_allocator.h: Likewise.
3736 * include/ext/debug_allocator.h: Likewise.
3737 * include/ext/extptr_allocator.h: Likewise.
3738 * include/ext/mt_allocator.h: Likewise.
3739 * include/ext/new_allocator.h: Likewise.
3740 * include/ext/pool_allocator.h: Likewise.
3741 * include/ext/throw_allocator.h: Likewise.
3742 * include/std/scoped_allocator: Likewise.
3743 * libsupc++/eh_alloc.cc: Likewise.
3744 * include/std/future: Add nodiscard attribute to async.
3745 * libsupc++/new: Add nodiscard attribute to new.
3747 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
3752 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
3753 * include/bits/shared_ptr.h
3754 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
3755 (allocate_shared): Change to use new tag type.
3756 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
3757 Declare new member function.
3758 (_Sp_alloc_shared_tag): Define new type.
3759 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
3760 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
3761 _Sp_make_shared_tag::_S_eq to check type_info.
3762 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
3763 Constrain to prevent being called with _Sp_alloc_shared_tag.
3764 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
3765 Replace constructor with ...
3766 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
3767 reference parameter so address of the new object can be returned to
3768 the caller. Obtain the allocator from the tag type.
3769 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
3770 constructor with ...
3771 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
3772 to the __shared_count constructor.
3773 (__allocate_shared): Change to use new tag type.
3774 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
3776 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
3778 * src/c++17/fs_ops.cc
3779 (equivalent(const path&, const path&, error_code&))
3780 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
3781 compare files instead of relying on incomplete info returned by stat.
3784 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
3785 if the path is already absolute.
3786 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
3787 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
3790 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
3791 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
3792 of filesystem::exists.
3793 (create_directories(const path&, error_code&)): Add assertions.
3794 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
3795 Add workaround for bug in _wstat for paths with trailing slash.
3796 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
3797 for expected behaviour on mingw.
3798 * testsuite/experimental/filesystem/operations/create_directories.cc:
3800 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
3801 "TMP" instead of "TMPDIR" and clean environment before each test. Do
3802 not test permissions on mingw targets.
3804 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
3806 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
3807 constructors and open members taking wide strings. Fix patterns for
3808 filesystem::path members to match wstring_view parameters. Add
3809 exports for shared_ptr members used by directory iterators.
3810 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
3811 error code parameter if the file doesn't exist.
3812 * src/filesystem/ops.cc (remove(const path&, error_code&)):
3814 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
3815 values for mingw targets, where "/" is not an absolute path. Do not
3816 test symlinks on mingw targets.
3817 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3818 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
3820 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3821 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
3822 that each component of the path is created.
3823 * testsuite/experimental/filesystem/operations/create_directories.cc:
3825 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
3826 permissions on mingw targets.
3827 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3828 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
3829 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3830 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
3832 * testsuite/experimental/filesystem/operations/permissions.cc:
3834 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
3835 symlinks or permissions on mingw targets.
3836 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3837 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
3838 symlinks on mingw targets.
3839 * testsuite/experimental/filesystem/operations/remove_all.cc:
3841 * testsuite/27_io/filesystem/operations/status.cc: Do not test
3842 permissions on mingw targets.
3843 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
3844 test symlinks on mingw targets.
3845 * testsuite/experimental/filesystem/operations/space.cc: Fix test
3848 2019-02-14 Ulrich Drepper <drepper@redhat.com>
3851 Warn about unused comparisons of shared_ptr/unique_ptr
3852 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
3853 * include/bits/shared_ptr.h: Use it for operator ==, !=,
3854 <, <=, >, >= for shared_ptr.
3855 * include/bits/unique_ptr.h: Likewise for unique_ptr.
3857 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
3859 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
3860 as 201611L, because P0497R0 changes are supported.
3861 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
3863 * include/bits/erase_if.h [__cplusplus > 201703L]
3864 (__cpp_lib_erase_if): Only define for C++2a.
3865 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
3866 (__cpp_lib_null_iterators): Define.
3867 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
3868 (__cpp_lib_null_iterators): Define.
3869 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
3871 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
3873 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
3875 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
3876 changes are supported.
3877 * include/std/optional (__cpp_lib_optional): Likewise.
3878 * include/std/variant (__cpp_lib_variant): Likewise.
3879 * include/std/version [!__STRICT_ANSI__]
3880 (__cpp_lib_uncaught_exceptions): Define as long integer.
3881 [__cplusplus >= 201703L] (__cpp_lib_any)
3882 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
3883 (__cpp_lib_variant): Define for C++17.
3884 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
3886 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
3889 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
3891 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
3895 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
3897 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
3900 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
3902 * doc/xml/manual/intro.xml: Include new section.
3903 * doc/xml/manual/status_cxx2017.xml: Document more
3904 implementation-defined properties of the library.
3905 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
3906 * doc/html/*: Regenerate.
3908 * include/bits/refwrap.h [__cplusplus > 201703L]
3909 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
3910 (_Reference_wrapper_base_memfun): Do not define for C++2a.
3911 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
3913 (reference_wrapper::operator()): Add static assertion.
3914 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
3916 * include/std/chrono (duration_values::zero(), duration_values::min())
3917 (duration_values::max()): Add noexcept.
3918 (duration::zero(), duration::min(), duration::max()): Likewise.
3919 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
3920 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
3921 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
3923 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
3925 2019-01-11 Jakub Jelinek <jakub@redhat.com>
3927 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
3928 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
3930 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
3933 * include/bits/functional_hash.h (hash<nullptr_t>): Define
3934 specialization for C++17 (P0513R0, LWG 2817).
3935 * testsuite/20_util/hash/nullptr.cc: New test.
3938 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
3939 pattern for std::basic_stringbuf::str().
3941 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
3942 basic_ostream::operator<< patterns.
3944 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
3946 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
3947 test failures on targets with 32-bit time_t.
3949 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
3950 * include/std/deque: Likewise.
3951 * include/std/forward_list: Likewise.
3952 * include/std/list: Likewise.
3953 * include/std/string: Likewise.
3954 * include/std/vector: Likewise.
3955 * include/std/version: Likewise.
3956 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
3957 * testsuite/23_containers/deque/erasure.cc: Likewise.
3958 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
3959 * testsuite/23_containers/list/erasure.cc: Likewise.
3960 * testsuite/23_containers/map/erasure.cc: Likewise.
3961 * testsuite/23_containers/set/erasure.cc: Likewise.
3962 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
3963 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
3964 * testsuite/23_containers/vector/erasure.cc: Likewise.
3966 * include/experimental/internet [AI_NUMERICSERV]
3967 (resolver_base::numeric_service): Define conditionally.
3968 * testsuite/experimental/net/internet/resolver/base.cc: Test it
3970 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
3973 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
3974 Jonathan Wakely <jwakely@redhat.com>
3977 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
3978 (GLIBCXX_3.4.26): Add new exports.
3979 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
3980 correct list of sources.
3981 * include/Makefile.in: Regenerate.
3982 * include/std/ostream (operator<<(nullptr_t)): New member function.
3983 * src/c++17/ostream-inst.cc: New file.
3984 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
3987 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
3989 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
3990 of the source file containing the caller.
3991 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
3992 directories created by test.
3993 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3995 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3997 * testsuite/experimental/filesystem/iterators/
3998 recursive_directory_iterator.cc: Likewise.
4000 2019-01-10 Jakub Jelinek <jakub@redhat.com>
4002 PR tree-optimization/88775
4003 * include/bits/stl_function.h (greater<_Tp*>::operator(),
4004 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
4005 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
4006 instead of __builtin_constant_p if available. Don't bother with
4007 the pointer comparison in C++11 and earlier.
4009 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
4013 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
4016 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
4018 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
4019 for filesystem::path. Give variables more distinctive names.
4021 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
4022 member function to perform non-trivial assignment.
4023 (_Optional_payload_base::_M_move_assign): Likewise.
4024 (_Optional_payload<T, true, false, true>::operator=)
4025 (_Optional_payload<T, true, true, false>::operator=)
4026 (_Optional_payload<T, true, false, false>::operator=): Call
4027 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
4030 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
4031 test std::complex<long double> if long double format is IBM128.
4032 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
4035 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
4037 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
4038 for old std::unique_ptr layout.
4039 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
4040 to become valueless. Add filesystem::path tests.
4043 * include/std/optional (_Optional_payload_base): New class template
4044 for common code hoisted from _Optional_payload specializations. Use
4045 a template for the union, to allow a partial specialization for
4046 types with non-trivial destructors. Add constructors for in-place
4047 initialization to the union.
4048 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
4049 to perform non-trivial copy construction, instead of relying on
4050 non-standard copy elision in a delegating constructor.
4051 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
4052 non-trivial move construction.
4053 (_Optional_payload): Derive from _Optional_payload_base and use it
4054 for everything except the non-trivial assignment operators, which are
4056 (_Optional_payload<false, C, M>): Derive from the specialization
4057 _Optional_payload<true, false, false> and add a destructor.
4058 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
4059 Forward to corresponding members of _Optional_payload.
4060 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
4061 Hoist common members from _Optional_base.
4062 (_Optional_base): Make all members and base class public.
4063 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
4064 _Optional_base_impl.
4065 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
4066 support for new std::optional layout.
4067 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
4070 * include/bits/locale_conv.h: Use <> for includes not "".
4071 * include/ext/random: Likewise.
4072 * include/ext/vstring.h: Likewise.
4074 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4076 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
4077 (GLIBCXX_3.4.21): Likewise.
4079 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
4082 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
4083 to match the one that controls whether utimbuf and utime are declared.
4085 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
4088 * include/bits/char_traits.h (char_traits::move): Do not pass null
4089 pointers to memmove.
4090 * include/bits/locale_facets.h
4091 (ctype<char>::widen(const char*, const char*, char*)): Do not
4092 pass null pointers to memcpy.
4093 (ctype<char>::narrow(const char*, const char*, char, char*)):
4095 (ctype<char>::do_widen(const char*, const char*, char*)):
4097 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
4100 * doc/xml/manual/spine.xml: Update copyright years.
4101 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
4102 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
4103 for C++17 filesystem library.
4104 * doc/html/*: Regenerate.
4106 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
4107 * config.h.in: Regenerate.
4108 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
4109 alphabetically and add missing entries for copy_symlink,
4110 hard_link_count, rename, and resize_file.
4111 * configure: Regenerate.
4112 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
4113 used unconditionally.
4114 * src/filesystem/ops-common.h (__gnu_posix::truncate)
4115 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
4116 supports truncating to zero length.
4117 * testsuite/27_io/filesystem/operations/all.cc: New test.
4118 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
4120 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
4123 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
4124 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
4125 * config.h.in: Regenerate.
4126 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
4127 remaining std::filesystem types and functions.
4128 * configure: Regenerate.
4129 * src/c++17/Makefile.am: Add C++17 filesystem sources.
4130 * src/c++17/Makefile.in: Regenerate.
4131 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
4132 here, and change name of included file.
4133 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
4134 here, and change name of included file.
4135 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
4136 path to dir-common.h.
4137 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
4138 path to ops-common.h. Disable -Wunused-parameter warnings.
4139 (internal_file_clock): Define unconditionally.
4140 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
4142 (do_copy_file, do_space): Move definitions to ops.common.h.
4143 (copy, file_size, hard_link_count, last_write_time, space): Only
4144 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
4146 (last_write_time, read_symlink): Remove unused attributes from
4148 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
4149 * src/filesystem/Makefile.in: Regenerate.
4150 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
4151 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
4152 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
4153 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
4154 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
4155 dummy types and functions instead of using #error.
4156 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
4157 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
4159 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
4160 (do_copy_file, do_space): Move definitions here from std-ops.cc.
4161 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
4162 to account for new namespace.
4163 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
4164 -lstdc++fs from dg-options.
4165 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
4166 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
4167 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
4168 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
4169 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
4171 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
4172 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4174 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
4175 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
4176 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
4177 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
4178 * testsuite/27_io/filesystem/operations/create_directories.cc:
4180 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
4181 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
4182 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
4183 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
4184 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
4185 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
4186 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
4187 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
4188 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
4189 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
4190 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
4191 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
4192 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
4193 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
4194 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
4195 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
4196 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
4197 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
4199 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
4203 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
4204 typeinfo and vtables less greedy.
4205 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
4206 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
4207 * src/c++17/Makefile.in: Regenerate.
4208 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
4209 here, and change name of included file.
4210 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
4211 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
4213 * src/filesystem/Makefile.in: Regenerate.
4214 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
4215 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
4216 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
4217 from dg-options and remove dg-require-filesystem-ts.
4218 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
4219 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
4220 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
4221 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
4222 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
4223 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
4224 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
4225 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
4226 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
4227 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
4228 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
4229 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
4230 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
4231 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
4232 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
4233 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
4234 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
4235 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
4236 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
4237 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
4238 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
4240 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
4241 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
4242 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
4243 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
4244 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
4245 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
4246 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
4247 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
4248 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
4249 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
4250 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
4251 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
4253 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
4255 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4257 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
4259 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
4260 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4261 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
4262 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
4263 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
4264 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
4265 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
4266 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
4267 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
4268 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
4270 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
4271 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
4272 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
4273 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
4274 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
4277 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
4278 Check is_trivially_copyable instead of is_scalar.
4279 (variant::emplace<N, Args>(Args&&...)): If construction of the new
4280 contained value can throw and its type is trivially copyable then
4281 construct into a temporary variant and move from it, to provide the
4282 strong exception safety guarantee.
4283 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
4285 * testsuite/20_util/variant/87431.cc: New test.
4286 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
4287 conversion causes valueless state.
4290 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
4291 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
4292 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
4293 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
4294 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
4296 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
4298 * include/bits/fs_fwd.h (__file_clock): Define new clock.
4299 (file_time_type): Redefine in terms of __file_clock.
4300 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
4302 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
4304 (internal_file_lock): New helper type for accessing __file_clock.
4305 (do_copy_file): Use internal_file_lock to convert system time to
4307 (last_write_time(const path&, error_code&)): Likewise.
4308 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
4310 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
4312 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
4313 for const member functions of std::basic_string.
4314 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
4316 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
4317 Make non-standard constructor private.
4318 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
4320 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
4321 explicit instantiations for C++17 as well as earlier dialects.
4322 * src/c++17/Makefile.am: Add new source files.
4323 * src/c++17/Makefile.in: Regenerate.
4324 * src/c++17/cow-string-inst.cc: New file defining explicit
4325 instantiations for basic_string member functions added in C++17.
4326 * src/c++17/string-inst.cc: Likewise.
4328 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
4329 copy/move constructors for old std::basic_string.
4330 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
4331 (basic_string::reference, basic_string::const_reference): Define
4332 as plain references for C++11 and later.
4333 (basic_string::basic_string()): Put constructor body outside
4334 preprocessor conditional groups.
4335 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
4336 instead of copying it.
4337 (basic_string::basic_string(const basic_string&, const _Alloc&)):
4339 (basic_string::basic_string(basic_string&&, const _Alloc&)):
4341 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
4342 cases for old basic_string.
4343 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
4344 allocator-extended constructors unconditionally. Add extra members to
4345 allocator type when using old string ABI.
4346 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
4348 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
4350 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
4351 -fno-inline added to test flags.
4353 * testsuite/21_strings/basic_string/requirements/
4354 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
4356 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
4357 assertion failures with old std::string ABI.
4359 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
4361 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
4362 functions that will only erase elements at the end.
4363 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
4364 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
4365 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
4367 (path::_List::pop_back()): Define.
4368 (path::_List::_M_erase_from(const_iterator)): Define.
4369 (path::operator/=(const path&)): Use pop_back to remove last component
4370 and _M_erase_from to remove multiple components.
4371 (path::_M_append(basic_string_view<value_type>)): Likewise.
4372 (path::operator+=(const path&)): Likewise.
4373 (path::_M_concat(basic_string_view<value_type>)): Likewise.
4374 (path::remove_filename()): Likewise.
4375 (path::lexically_normal()): Use _List::_Impl iterators instead of
4376 path::iterator. Use pop_back to remove components from the end. Clear
4377 trailing filename, instead of using erase(const_iterator) to remove
4378 a non-final component.
4379 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
4381 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
4383 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
4384 incorrect treatment of empty filename after trailing slash.
4385 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
4387 * testsuite/21_strings/basic_string/modifiers/assign/char/
4388 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
4390 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
4391 move_assign_optim.cc: Likewise.
4393 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4394 Jakub Jelinek <jakub@redhat.com>
4397 * include/experimental/memory: Replace UTF-8 quote characters.
4398 * include/std/future: Replace UTF-8 "em dash" characters.
4400 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4403 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
4404 * include/debug/forward_list: Likewise.
4405 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
4407 * include/experimental/chrono: Likewise.
4408 * include/experimental/functional: Likewise.
4409 * include/experimental/ratio: Likewise.
4410 * include/experimental/system_error: Likewise.
4411 * include/experimental/tuple: Likewise.
4412 * include/experimental/type_traits: Likewise.
4413 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
4414 * include/parallel/multiseq_selection.h: Likewise.
4417 * config/abi/pre/gnu.ver: Add missing exports.
4418 * testsuite/22_locale/collate_byname/88681.cc: New test.
4419 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
4420 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
4422 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
4424 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
4425 initializer_list<value_type> and from input iterator ranges.
4426 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
4428 * testsuite/experimental/string_view/element_access/char/empty.cc:
4429 Fix year range in copyright header.
4431 2019-01-02 Joel Brobecker <brobecker@adacore.com>
4433 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
4434 Fix year range in copyright header.
4436 2019-01-01 Jakub Jelinek <jakub@redhat.com>
4438 Update copyright years.
4440 Copyright (C) 2019 Free Software Foundation, Inc.
4442 Copying and distribution of this file, with or without modification,
4443 are permitted in any medium without royalty provided the copyright
4444 notice and this notice are preserved.