1 2019-07-02 Jim Wilson <jimw@sifive.com>
3 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
5 * configure: Regenerate.
7 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
10 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
11 for the what_arg parameters.
12 (filesystem_error::filesystem_error): Pass system_error::what() to
13 the _Impl constructor.
14 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
15 filesystem_error::what() contains system_error::what().
17 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
19 * include/std/charconv (chars_format): Define bitmask type.
20 * testsuite/20_util/to_chars/chars_format.cc: New test.
22 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
23 * include/std/bit (_If_is_unsigned_integer_type): Remove.
24 (_If_is_unsigned_integer): Use __is_unsigned_integer.
25 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
26 (countl_one(byte), countr_zero(byte), countr_one(byte))
27 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
28 (log2p1(byte)): Remove.
29 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
30 (__detail::__is_int_to_chars_type): Remove.
31 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
32 and __is_unsigned_integer.
33 * include/std/type_traits (__is_one_of): Move here from <charconv>.
34 (__is_signed_integer, __is_unsigned_integer): New helpers.
35 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
37 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
38 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
39 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
40 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
41 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
42 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
43 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
44 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
45 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
46 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
48 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
50 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
53 2019-06-25 Jakub Jelinek <jakub@redhat.com>
55 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
56 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
57 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
58 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
60 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
62 * include/std/numeric (midpoint(T, T)): Change implementation for
63 floating-point types to avoid incorrect rounding of denormals.
64 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
65 rounding with denormals.
66 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
67 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
69 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
71 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
73 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
75 * configure: Regenerate.
77 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
78 Qualify calls to __never_valueless.
80 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
83 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
84 vector<bool> for test.
85 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
87 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
89 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
91 (istream_iterator::_M_read()): Do not check stream state before
92 attempting extraction. Set stream pointer to null when extraction
94 (operator==(const istream_iterator&, const istream_iterator&)): Change
95 to be a hidden friend of istream_iterator.
96 (operator!=(const istream_iterator&, const istream_iterator&)):
98 (ostream_iterator::ostream_iterator()): Add default constructor.
99 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
101 * testsuite/24_iterators/istream_iterator/1.cc: New test.
102 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
103 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
104 constructor taking a string.
105 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
108 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
109 Jonathan Wakely <jwakely@redhat.com>
112 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
113 values of type bool for vector<bool> elements.
114 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
115 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
117 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
119 PR libstdc++/90920 partially revert r263433
120 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
121 (rotate): Remove checks.
122 * testsuite/25_algorithms/rotate/90920.cc: New test.
124 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
125 category used in invocable check.
126 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
127 * testsuite/26_numerics/reduce/2.cc: New test.
129 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
131 * include/bits/algorithmfwd.h: Change title of doc group.
132 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
134 * include/bits/stl_numeric.h: Define doc group and add algos to it.
135 * include/std/numeric (__is_random_access_iter): New internal trait.
136 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
137 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
138 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
139 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
140 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
141 * testsuite/26_numerics/reduce/1.cc: New test.
142 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
143 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
144 * testsuite/26_numerics/transform_reduce/1.cc: New test.
145 * testsuite/util/testsuite_iterators.h (test_container::size()): New
148 * include/c_global/cstddef (std::byte): Perform arithmetic operations
149 in unsigned int to avoid promotion (LWG 2950).
151 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
153 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
156 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
158 PR libstdc++/90281 Fix string conversions for filesystem::path
159 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
160 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
161 __str_codecvt_in_all to fail for partial conversions and throw on
163 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
164 (path::_Cvt<char8_t>): Add explicit specialization.
165 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
167 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
168 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
169 instead of codecvt_utf8. Use __str_codecvt_in_all and
170 __str_codecvt_out_all.
171 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
172 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
173 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
174 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
175 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
176 after converting to UTF-8.
177 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
178 __str_codecvt_in_all.
179 (path::string): Fix initialization of string types with different
181 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
182 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
183 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
185 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
186 return false for partial conversions.
187 * include/experimental/bits/fs_path.h (u8path):
188 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
189 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
190 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
191 instead of codecvt_utf8. Use __str_codecvt_in_all and
192 __str_codecvt_out_all.
193 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
194 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
195 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
196 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
197 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
198 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
199 __str_codecvt_in_all.
200 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
201 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
202 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
203 __str_codecvt_in_all.
204 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
205 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
206 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
207 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
208 strings and with Unicode characters outside the basic multilingual
210 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
211 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
212 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
213 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
214 * testsuite/experimental/filesystem/path/native/string.cc: Test with
215 empty strings and with Unicode characters outside the basic
218 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
219 Jonathan Wakely <jwakely@redhat.com>
221 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
222 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
223 deallocate node if insertion fails.
224 (_Hashtable::_M_insert_multi_node): Likewise.
225 (_Hashtable::_M_reinsert_node): Pass additional key argument.
226 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
227 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
228 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
229 (_Hashtable::extract(const _Key&)): Likewise.
230 (_Hashtable::_M_merge_unique): Pass additional key argument.
231 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
233 (_Hashtable::_M_insert): Likewise.
234 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
235 (_Hashtable_alloc): Add comments to functions with misleading names.
237 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
239 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
241 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
242 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
243 header for std::allocator.
244 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
245 using-declaration for std::size_t.
246 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
248 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
250 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
251 * testsuite/experimental/map/erasure.cc: Include <string> for
253 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
255 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
257 * include/experimental/type_traits (experimental::nonesuch): Use
258 pragma to disable -Wctor-dtor-privacy warnings.
259 * include/std/type_traits (__is_convertible_helper<From, To, false>)
260 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
262 * include/std/version (__cpp_lib_bind_front): Add missing macro.
264 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
266 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
267 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
268 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
269 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
271 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
272 (variant::emplace): Change static_assert messages from "should be"
274 (hash<monostate>::operator()): Remove name of unused parameter.
276 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
279 * include/Makefile.am: Add new <bits/charconv.h> header.
280 * include/Makefile.in: Regenerate.
281 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
282 (to_string(long), to_string(unsigned long), to_string(long long))
283 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
284 * include/bits/charconv.h: New header.
285 (__detail::__to_chars_len): Move here from <charconv>.
286 (__detail::__to_chars_10_impl): New function extracted from
287 __detail::__to_chars_10.
288 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
289 (__to_chars_unsigned_type): New class template that reuses
290 __make_unsigned_selector_base::__select to pick a type.
291 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
292 (__detail::__to_chars_len): Move to new header.
293 (__detail::__to_chars_10): Add inline specifier. Move code doing the
294 output to __detail::__to_chars_10_impl and call that.
295 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
296 * testsuite/21_strings/basic_string/numeric_conversions/char/
297 to_string.cc: Fix reference in comment. Remove unused variable.
298 * testsuite/21_strings/basic_string/numeric_conversions/char/
299 to_string_int.cc: New test.
301 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
303 Fix ConstexprIterator requirements tests - No constexpr algorithms!
304 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
305 Replace copy with hand-rolled loop.
306 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
309 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
311 Test for C++20 p0858 - ConstexprIterator requirements.
312 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
314 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
317 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
319 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
321 * include/bits/c++config: Rename all macros of the form __PSTL* to
323 * include/std/algorithm: Likewise.
324 * include/std/execution: Likewise.
325 * include/std/numeric: Likewise.
326 * include/std/memory: Likewise.
327 * include/pstl/glue_memory_impl.h: Likewise.
328 * include/pstl/numeric_impl.h: Likewise.
329 * include/pstl/glue_memory_defs.h: Likewise.
330 * include/pstl/execution_defs.h: Likewise.
331 * include/pstl/utils.h: Likewise.
332 * include/pstl/algorithm_fwd.h: Likewise.
333 * include/pstl/unseq_backend_simd.h: Likewise.
334 * include/pstl/glue_execution_defs.h: Likewise.
335 * include/pstl/algorithm_impl.h: Likewise.
336 * include/pstl/parallel_impl.h: Likewise.
337 * include/pstl/memory_impl.h: Likewise.
338 * include/pstl/glue_numeric_defs.h: Likewise.
339 * include/pstl/parallel_backend_utils.h: Likewise.
340 * include/pstl/glue_algorithm_defs.h: Likewise.
341 * include/pstl/parallel_backend.h: Likewise.
342 * include/pstl/glue_numeric_impl.h: Likewise.
343 * include/pstl/parallel_backend_tbb.h: Likewise.
344 * include/pstl/numeric_fwd.h: Likewise.
345 * include/pstl/glue_algorithm_impl.h: Likewise.
346 * include/pstl/execution_impl.h: Likewise.
347 * include/pstl/pstl_config.h: Likewise.
348 * testsuite/util/pstl/pstl_test_config.h: Likewise.
349 * testsuite/util/pstl/test_utils.h: Likewise.
350 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
352 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
354 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
356 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
357 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
358 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
359 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
360 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
362 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
363 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
364 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
365 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
366 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
368 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
369 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
370 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
371 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
372 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
374 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
375 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
376 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
378 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
380 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
381 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
382 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
384 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
386 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
388 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
390 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
392 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
394 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
396 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
398 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
400 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
402 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
404 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
406 Rename header guards to be consistent with upstream project's
408 * include/pstl/glue_memory_impl.h: Rename all macros of the form
409 _PSTL_(.*)_H to _PSTL_\U\1_H.
410 * include/pstl/numeric_impl.h: Likewise.
411 * include/pstl/glue_memory_defs.h: Likewise.
412 * include/pstl/execution_defs.h: Likewise.
413 * include/pstl/utils.h: Likewise.
414 * include/pstl/algorithm_fwd.h: Likewise.
415 * include/pstl/unseq_backend_simd.h: Likewise.
416 * include/pstl/glue_execution_defs.h: Likewise.
417 * include/pstl/algorithm_impl.h: Likewise.
418 * include/pstl/parallel_impl.h: Likewise.
419 * include/pstl/memory_impl.h: Likewise.
420 * include/pstl/glue_numeric_defs.h: Likewise.
421 * include/pstl/parallel_backend_utils.h: Likewise.
422 * include/pstl/glue_algorithm_defs.h: Likewise.
423 * include/pstl/parallel_backend.h: Likewise.
424 * include/pstl/glue_numeric_impl.h: Likewise.
425 * include/pstl/parallel_backend_tbb.h: Likewise.
426 * include/pstl/numeric_fwd.h: Likewise.
427 * include/pstl/glue_algorithm_impl.h: Likewise.
428 * include/pstl/execution_impl.h: Likewise.
429 * include/pstl/pstl_config.h: Likewise.
430 * testsuite/util/pstl/pstl_test_config.h: Likewise.
432 Synchronize libstdc++ parallel algorithms with upstream
434 * include/pstl/algorithm_fwd.h: Synchronize with
435 upstream PSTL project.
436 * include/pstl/algorithm_impl.h: Likewise.
437 * include/pstl/execution_defs.h: Likewise.
438 * include/pstl/execution_impl.h: Likewise.
439 * include/pstl/glue_algorithm_impl.h: Likewise.
440 * include/pstl/glue_execution_defs.h: Likewise.
441 * include/pstl/numeric_fwd.h: Likewise.
442 * include/pstl/numeric_impl.h: Likewise.
443 * include/pstl/parallel_backend.h: Likewise.
444 * include/pstl/pstl_config.h: Likewise.
445 * include/pstl/unseq_backend_simd.h: Likewise.
446 * include/pstl/parallel_backend_serial.h: New file.
447 * include/Makefile.am (pstl_headers): Add
448 parallel_backend_serial.h.
449 * include/Makefile.in: Regenerate.
451 Clean up non-conforming names
452 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
453 Uglfiy copy_range1 and copy_range2
454 (__pattern_walk2_n): Rename local n to __n
455 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
456 Rename parameter _T to _Tp.
458 Integrate non-TBB serial backend support
459 * include/bits/c++config: Adjust TBB detection logic to select serial
460 PSTL backend if no TBB present.
461 * testsuite/utils/pstl/test_utils.h: Remove check for
462 _PSTL_USE_PAR_POLICIES
464 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
466 * testsuite/24_iterators/container_access.cc: Move dg-options before
467 dg-do directive so the target check uses the -std option.
470 * configure: Regenerate.
471 * src/Makefile.am (stamp-debug): Also test for missing makefile.
472 * src/Makefile.in: Regenerate.
474 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
476 * include/std/array: Do not include <stdexcept>.
477 * include/std/optional: Include <exception> and
478 <bits/exception_defines.h> instead of <stdexcept>.
479 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
481 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
483 * testsuite/23_containers/map/erasure.cc: Include <string>.
484 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
486 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
487 dg-prune-output for different C++98 diagnostic.
488 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
490 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
492 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
494 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
496 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
498 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
500 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
502 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
504 * testsuite/23_containers/vector/requirements/dr438/
505 constructor_1_neg.cc: Likewise.
506 * testsuite/23_containers/vector/requirements/dr438/
507 constructor_2_neg.cc: Likewise.
508 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
510 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
512 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
513 Do not test allocator rebinding extension for C++2a.
514 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
515 dg-do directive for C++17 and C++2a.
517 * testsuite/23_containers/deque/requirements/explicit_instantiation/
518 1_c++0x.cc: Remove redundant test.
519 * testsuite/23_containers/deque/requirements/explicit_instantiation/
520 2.cc: Use target selector instead of preprocessor condition.
521 * testsuite/23_containers/deque/requirements/explicit_instantiation/
522 3.cc: Do not run test for C++2a.
523 * testsuite/23_containers/forward_list/requirements/
524 explicit_instantiation/3.cc: Likewise.
525 * testsuite/23_containers/forward_list/requirements/
526 explicit_instantiation/5.cc: Do not test allocator rebinding extension
528 * testsuite/23_containers/list/requirements/explicit_instantiation/
529 1_c++0x.cc: Remove redundant test.
530 * testsuite/23_containers/list/requirements/explicit_instantiation/
531 2.cc: Use target selector instead of preprocessor condition.
532 * testsuite/23_containers/list/requirements/explicit_instantiation/
533 3.cc: Do not run test for C++2a.
534 * testsuite/23_containers/list/requirements/explicit_instantiation/
535 5.cc: Do not test allocator rebinding extension for C++2a.
536 * testsuite/23_containers/map/requirements/explicit_instantiation/
537 1_c++0x.cc: Remove redundant test.
538 * testsuite/23_containers/map/requirements/explicit_instantiation/
539 2.cc: Adjust comment.
540 * testsuite/23_containers/map/requirements/explicit_instantiation/
541 3.cc: Do not run test for C++2a.
542 * testsuite/23_containers/map/requirements/explicit_instantiation/
543 5.cc: Do not test allocator rebinding extension for C++2a.
544 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
545 1_c++0x.cc: Remove redundant test.
546 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
547 3.cc: Do not run test for C++2a.
548 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
549 5.cc: Do not test allocator rebinding extension for C++2a.
550 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
551 3.cc: Do not run test for C++2a.
552 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
553 5.cc: Do not test allocator rebinding extension for C++2a.
554 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
555 Do not run test for C++2a.
556 * testsuite/23_containers/set/requirements/explicit_instantiation/
557 1_c++0x.cc: Remove redundant test.
558 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
559 Do not test allocator rebinding extension for C++2a.
560 * testsuite/23_containers/unordered_map/requirements/
561 explicit_instantiation/3.cc: Likewise.
562 * testsuite/23_containers/unordered_map/requirements/
563 explicit_instantiation/5.cc: Do not test allocator rebinding extension
565 * testsuite/23_containers/unordered_multimap/requirements/
566 explicit_instantiation/3.cc: Do not run test for C++2a.
567 * testsuite/23_containers/unordered_multimap/requirements/
568 explicit_instantiation/5.cc: Do not test allocator rebinding extension
570 * testsuite/23_containers/unordered_multiset/requirements/
571 explicit_instantiation/3.cc: Do not run test for C++2a.
572 * testsuite/23_containers/unordered_multiset/requirements/
573 explicit_instantiation/5.cc: Do not test allocator rebinding extension
575 * testsuite/23_containers/unordered_set/requirements/
576 explicit_instantiation/3.cc: Do not run test for C++2a.
577 * testsuite/23_containers/unordered_set/requirements/
578 explicit_instantiation/5.cc: Do not test allocator rebinding extension
580 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
581 2.cc: Remove redundant test.
582 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
583 3.cc: Do not run test for C++2a.
584 * testsuite/23_containers/vector/requirements/explicit_instantiation/
587 * include/std/type_traits (is_empty, is_polymorphic, is_final)
588 (is_abstract, is_aggregate): Remove static_assert.
589 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
591 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
592 missing -std=gnu++17 option.
593 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
594 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
595 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
598 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
599 * testsuite/18_support/set_unexpected.cc: Likewise.
600 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
602 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
603 function to be valid in C++11.
604 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
605 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
606 include Library Fundamentals or Networking headers in C++11 mode.
607 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
609 * include/std/tuple (_TC): Replace with _TupleConstraints.
610 (_TupleConstraints): New helper for SFINAE constraints, with more
611 expressive member functions to reduce duplication when used.
612 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
613 (tuple::_TCC): Replace dummy type parameter with bool non-type
614 parameter that can be used to check the pack size.
615 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
616 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
617 checking constraints in constructors.
618 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
620 (tuple::tuple): Use new helpers to reduce repitition in constraints.
621 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
622 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
623 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
624 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
625 constraints in constructors.
626 (tuple::__is_alloc_arg()): New SFINAE helpers.
627 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
629 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
630 * testsuite/20_util/tuple/cons/90700.cc: New test.
631 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
632 to meet new constraint on allocator-extended default constructor.
634 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
636 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
637 * include/bits/stl_multimap.h (multimap): Likewise.
639 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
641 Rename variables and cleanup comments.
642 * include/bits/hashtable_policy.h
643 * include/bits/hashtable.h
645 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
647 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
648 Fix bgcolor for P0340R3.
649 * doc/html/*: Regenerate.
652 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
653 <experimental/memory_resource>.
654 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
655 P0339R6, P0340R3, P1164R1 and P1357R1.
656 * doc/html/*: Regenerate.
658 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
659 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
660 allocator::value_type assertion for C++2a.
661 * include/bits/hashtable.h: Likewise.
662 * include/bits/stl_deque.h: Likewise.
663 * include/bits/stl_list.h: Likewise.
664 * include/bits/stl_map.h: Likewise.
665 * include/bits/stl_multimap.h: Likewise.
666 * include/bits/stl_multiset.h: Likewise.
667 * include/bits/stl_set.h: Likewise.
668 * include/bits/stl_vector.h: Likewise.
669 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
670 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
671 * testsuite/23_containers/list/48101-3_neg.cc: New test.
672 * testsuite/23_containers/map/48101-3_neg.cc: New test.
673 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
674 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
675 * testsuite/23_containers/set/48101-3_neg.cc: New test.
676 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
677 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
678 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
679 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
680 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
682 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
684 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
686 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
688 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
690 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
692 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
694 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
696 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
699 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
700 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
701 * libsupc++/eh_term_handler.h: New header defining
702 _GLIBCXX_DEFAULT_TERM_HANDLER.
703 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
704 (set_terminate): Restore default handler when argument is null.
705 (set_unexpected): Likewise.
706 * testsuite/18_support/set_terminate.cc: New test.
707 * testsuite/18_support/set_unexpected.cc: New test.
709 * include/backward/hashtable.h (size_t, ptrdiff_t)
710 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
711 (distance, vector, pair, __iterator_category): Remove
712 using-declarations that add these names to namespace __gnu_cxx.
713 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
714 * include/ext/debug_allocator.h (size_t): Likewise.
715 * include/ext/functional (size_t, unary_function, binary_function)
716 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
718 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
719 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
720 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
721 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
722 * include/ext/numeric (iota): Fix outdated comment.
723 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
724 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
725 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
726 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
727 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
729 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
730 (allocator, __true_type, __false_type): Likewise.
732 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
735 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
736 New helpers for checking preconditions in traits.
737 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
738 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
739 (is_destructible, is_nothrow_destructible, is_constructible)
740 (is_default_constructible, is_copy_constructible)
741 (is_move_constructible, is_nothrow_default_constructible)
742 (is_nothrow_constructible, is_nothrow_copy_constructible)
743 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
744 (is_nothrow_assignable, is_nothrow_copy_assignable)
745 (is_nothrow_move_assignable, is_trivially_constructible)
746 (is_trivially_copy_constructible, is_trivially_move_constructible)
747 is_trivially_assignable, is_trivially_copy_assignable)
748 (is_trivially_move_assignable, is_trivially_destructible)
749 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
750 (is_invocable_r, is_nothrow_invocable)
751 (has_unique_object_representations, is_aggregate): Add static_asserts
752 to make sure that type traits are not misused with incomplete types.
753 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
754 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
755 base characteristics without assertions that can be reused in other
757 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
758 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
760 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
761 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
762 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
763 * testsuite/20_util/is_class/value.cc: Check incomplete type.
764 * testsuite/20_util/is_function/value.cc: Likewise.
765 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
766 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
768 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
769 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
770 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
771 * testsuite/20_util/is_union/value.cc: Likewise.
772 * testsuite/20_util/is_void/value.cc: Likewise.
773 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
775 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
777 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
778 Add new private member function.
779 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
780 (random_device::_M_init_pretr1(const string&)): Call new private
781 member with string data.
782 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
784 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
785 test using COW strings.
786 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
787 a value from the device.
788 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
789 Fix typo in token string.
791 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
793 LWG2788 basic_string spurious use of a default constructible allocator
794 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
795 (basic_string::_M_replace_dispatch): Construct temporary string with
796 the current allocator.
797 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
798 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
800 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
802 * doc/xml/manual/diagnostics.xml: Update list of headers that define
804 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
805 section about new/delete overloads. Improve section on verbose
807 * doc/html/*: Regenerate.
809 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
810 P0811R3. Change status of P1353R0.
811 * doc/html/*: Regenerate.
813 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
814 documentation of implementation-defined types for [thread.req.native].
815 * doc/xml/manual/status_cxx2017.xml: Update documentation of
816 implementation-defined strings for [variant.bad.access]. Fix typo in
817 documentation of implementation-defined support for [fs.conform.9945].
818 * doc/html/*: Regenerate.
820 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
823 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
824 that fails on mingw-w64.
827 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
828 (status(const path&, error_code&)): Use parent_path() to remove
830 (symlink_status(const path&, error_code&)): Duplicate workaround for
831 bug in _wstat for paths with trailing slash.
832 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
834 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
835 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
837 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
838 once instead of building it iteratively.
840 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
842 PR libstdc++/85494 use rdseed and rand_s in std::random_device
843 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
844 the assembler supports rdseed.
845 * config.h.in: Regenerate.
846 * configure: Regenerate.
847 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
848 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
849 * doc/html/*: Regenerate.
850 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
851 * include/bits/random.h (random_device::random_device()): Always call
852 _M_init rather than _M_init_pretr1.
853 (random_device::random_device(const string&)): Likewise.
854 (random_device::operator()()): Always call _M_getval().
855 (random_device::_M_file): Replace first member of union with an
856 anonymous struct, with _M_file as its first member.
857 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
858 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
859 (USE_MT19937): Define if none of the above are defined.
860 (USE_POSIX_FILE_IO): Define.
861 (_M_strtoul): Remove.
862 [USE_RDSEED] (__x86_rdseed): Define new function.
863 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
864 (random_device::_M_init(const string&)): Initialize new union members.
865 Add support for "rdseed" and "rand_s" tokens. Decide what the
866 "default" token does according to which USE_* macros are defined.
867 [USE_POSIX_FILE_IO]: Store a file descriptor.
868 [USE_MT19937]: Forward to _M_init_pretr1 instead.
869 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
870 code from _M_strtoul.
871 [!USE_MT19937]: Call _M_init, transforming the old default token or
872 numeric tokens to "default".
873 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
874 (random_device::_M_getval()): Use new union members to obtain a
875 random number from the stored function pointer or file descriptor.
876 [USE_MT19937]: Obtain a value from the mt19937 engine.
877 (random_device::_M_getval_pretr1()): Call _M_getval().
878 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
880 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
881 * testsuite/26_numerics/random/random_device/85494.cc: New test.
883 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
886 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
887 _M_split_cmpts() for a path with multiple components.
888 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
889 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
890 components and reserve space in vector. Return early when there is
892 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
893 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
895 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
896 form of std::equals for C++11 compatibility.
898 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
900 * doc/xml/manual/appendix_contributing.xml: Update pointer to
901 C++ standard at ansi.org.
903 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
905 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
906 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
909 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
910 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
912 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
914 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
916 * testsuite/20_util/function_objects/invoke/3.cc: New test.
917 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
918 "compile" test to "run".
920 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
921 * doc/html/*: Regenerate.
922 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
923 rvalue aliasing constructor.
924 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
925 (reinterpret_pointer_cast): Add overloads taking rvalues.
926 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
927 Add rvalue aliasing constructor.
928 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
929 "run" and check return values as well as types.
930 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
931 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
932 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
933 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
936 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
937 * doc/xml/manual/intro.xml: Likewise.
938 * include/std/future (__create_task_state): Add default arguments
939 to make providing an allocator optional.
940 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
941 instead of delegating to another constructor.
942 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
943 define allocator-extended constructors for C++17 and later.
944 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
946 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
947 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
948 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
950 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
952 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
953 Don't run the libstdc++/83237 part on simulator targets.
955 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
957 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
959 * doc/html/*: Regenerate.
961 * include/experimental/any (__any_caster): Use RTTI if comparing
962 addresses fails, to support non-unique addresses in shared libraries.
963 * include/std/any (__any_caster): Likewise.
966 * include/experimental/any (__any_caster): Constrain to only be
967 callable for object types. Use remove_cv_t instead of decay_t.
968 If the type decays or isn't copy constructible, compare the manager
969 function to a dummy specialization.
970 (__any_caster): Add overload constrained for non-object types.
971 (any::_Manager_internal<_Op>): Add dummy specialization.
972 * testsuite/experimental/any/misc/any_cast.cc: Test function types
975 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
978 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
979 reversed arguments to uninitialized_copy_n.
980 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
981 is unchanged by copy assignment.
982 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
983 compare path components.
986 * include/experimental/memory_resource: Add system header pragma and
987 do not define anything unless compiled as C++14 or later.
988 (__resource_adaptor_common::__guaranteed_alignment): Remove.
989 (__resource_adaptor_imp::do_allocate): If the requested alignment
990 is a fundamental alignment then either allocate directly from _M_alloc
991 or call the new _M_allocate function.
992 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
993 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
994 of the allocator rebound to a POD type with the specified alignment.
995 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
996 * testsuite/experimental/memory_resource/new_delete_resource.cc:
997 Adjust expected allocation sizes.
998 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
999 xfail for Solaris x86.
1001 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
1003 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
1004 * include/pstl/execution_defs.h (__enable_if_execution_policy):
1005 Use std::__remove_cvref_t when building with GCC.
1007 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
1010 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1011 Use "additional_flags" to pass -ltbb to v3_target_compile command.
1012 Use check_v3_target_prop_cached to cache the result of the test.
1014 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
1016 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
1019 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1020 Changed v3_target_compile check from preprocess to executable.
1021 Added "-ltbb" to v3_target_compile flags.
1023 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
1025 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1026 Add check for Thread Building Blocks 2018 or later.
1028 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1030 * testsuite/experimental/names.cc: Only include Networking TS headers
1031 on targets with the necessary Gthreads support.
1033 2019-05-20 Marek Polacek <polacek@redhat.com>
1035 CWG 2094 - volatile scalars are trivially copyable.
1037 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
1038 result for volatile int.
1040 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1042 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
1043 * testsuite/experimental/names.cc: Include <experimental/filesystem>
1046 PR c++/90532 Ensure __is_constructible(T[]) is false
1047 * include/std/type_traits (__do_is_default_constructible_impl)
1048 (__is_default_constructible_atom, __is_default_constructible_safe):
1050 (is_default_constructible): Use is_constructible.
1051 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
1052 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
1053 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
1054 * testsuite/20_util/is_trivially_default_constructible/value.cc:
1057 2019-05-20 Pádraig Brady <pbrady@fb.com>
1059 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
1060 to the deallocator with -fsized-deallocation.
1062 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1064 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
1065 test by passing correct alignment to deallocate function.
1067 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
1070 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
1071 Raise exception if unique_ptr tuple member has unknown structure.
1072 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
1073 Adjust worker to support new __uniq_ptr_data base class. Do not
1074 assume field called _M_head_impl is the first tuple element.
1076 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
1078 * include/bits/stl_deque.h
1079 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
1080 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
1081 (_Deque_base::_Deque_impl_data): New.
1082 (_Deque_base::_Deque_impl): Inherit latter.
1083 (_Deque_base::_Deque_impl::_M_swap_data): Move...
1084 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
1085 (_Deque_base::_Deque_impl()): Add noexcept qualification.
1086 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
1087 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
1088 (deque<>::deque()): Default.
1089 (deque<>::deque(deque&&)): Default.
1090 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
1091 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
1092 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
1093 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
1094 _M_range_initialize.
1095 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
1096 (deque<>::resize(size_type, const value_type&)): Share a single
1098 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
1099 _M_range_insert_aux.
1100 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
1101 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
1102 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
1103 * testsuite/23_containers/deque/allocator/default_init.cc: New.
1105 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
1108 * include/std/variant (holds_alternative, get, get_if): Improve
1109 static assertion messages.
1110 (bad_variant_access::bad_variant_access()): Change default message.
1111 (__throw_bad_variant_access(bool)): New overload.
1112 (get): Use new overload.
1113 (visit, visit<R>): Improve exception message.
1115 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
1116 targets. Add more cases from P0608R3.
1117 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
1119 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
1120 * include/experimental/type_traits (is_detected_exact)
1121 (is_detected_exact_v): Likewise.
1122 * include/pstl/execution_defs.h (is_execution_policy)
1123 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
1124 * include/pstl/execution_impl.h (__policy_traits): Likewise.
1125 * testsuite/17_intro/names.cc: Check for more non-reserved names.
1126 * testsuite/experimental/names.cc: New test.
1129 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
1130 assertions from the destructor.
1131 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
1132 Move static_assert for hash function to here.
1133 (_Hash_table_base::_M_equals): Move static_assert for equality
1135 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
1137 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
1138 the value directly instead of calling _S_value.
1139 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
1140 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
1141 _S_key(_Const_Link_type).
1142 * testsuite/23_containers/set/85965.cc: Check construction,
1143 destruction, assignment and size() do not trigger the assertions.
1144 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
1145 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
1147 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
1148 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
1149 * testsuite/23_containers/set/48101_neg.cc: Likewise.
1150 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
1151 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
1152 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
1153 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
1155 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
1156 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
1159 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
1161 * doc/html/*: Regenerate.
1162 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
1163 of decay_t (P0777R1).
1165 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
1167 Move from state of allocators (LWG2593)
1168 * include/bits/stl_deque.h
1169 (_Deque_base(_Deque_base&&, false_type)): Remove.
1170 (_Deque_base(_Deque_base&&, true_type)): Remove.
1171 (_Deque_base(_Deque_base&&)): Adapt.
1172 (_Deque_base::_M_move_impl()): Remove.
1173 * testsuite/util/testsuite_allocator.h
1174 (propagating_allocator(propagating_allocator&&)): Preserve move from
1176 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
1178 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
1180 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
1181 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
1182 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
1184 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
1186 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
1187 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
1189 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
1191 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
1193 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
1195 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
1197 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
1199 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
1201 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
1204 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
1206 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
1207 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
1209 * include/std/variant (__overload_set): Remove.
1211 (_Build_FUN): New class template to define a single FUN overload,
1212 with specializations to prevent unwanted conversions, as per P0608R3.
1213 (_Build_FUNs): New class template to build an overload set of FUN.
1214 (_FUN_type): New alias template to perform overload resolution.
1215 (__accepted_type): Use integer_constant base for failure case. Use
1216 _FUN_type for successful case.
1217 (variant::__accepted_index): Use _Tp instead of _Tp&&.
1218 (variant::variant(_Tp&&)): Likewise.
1219 (variant::operator=(_Tp&&)): Likewise.
1221 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
1222 Replace raw visitation with a runtime check for the valueless state
1223 and a non-raw visitor.
1224 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
1225 (variant::index()): Remove branch.
1226 (variant::swap(variant&)): Use valueless_by_exception() instead of
1227 comparing the index to variant_npos, and add likelihood attribute.
1229 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
1230 (_Hashtable_base::_Equal_hash_code): Define new class template.
1231 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
1234 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
1235 Replace with _M_get non-static member function.
1236 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
1238 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
1239 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
1241 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
1242 _S_get accessors for members in EBO helpers.
1243 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
1244 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
1246 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
1248 (_Hashtable_base::_M_eq()): Remove non-const overload.
1250 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
1252 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
1254 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1256 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
1259 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1261 * config/os/solaris/solaris2.10: Move to ...
1262 * config/os/solaris: ... this.
1263 * configure.host (os_include_dir): Adapt.
1264 (abi_baseline_pair): Remove Solaris 10 handling.
1265 * config/abi/post/i386-solaris2.10: Remove.
1266 * config/abi/post/sparc-solaris2.10: Remove.
1267 * config/abi/post/i386-solaris2.11: Rename to ...
1268 * config/abi/post/i386-solaris: ... this.
1269 * config/abi/post/sparc-solaris2.11: Rename to ...
1270 * config/abi/post/sparc-solaris: ... this.
1272 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
1275 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
1278 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1280 * include/std/variant (__visit_with_index): Remove typedef.
1281 (__deduce_visit_result): New tag type.
1282 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
1283 visitation of possibly-valueless variants, forwarding to __do_visit
1284 with the relevant tag type.
1285 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
1286 and make lambda return void.
1287 (__variant_construct): Likewise.
1288 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
1289 __raw_idx_visit and make lambda return void.
1290 (_Multi_array::__untag_result): Add metafunction to check the function
1291 pointer type for a tag type that dictates the kind of visitation.
1292 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
1293 Use decltype(auto) instead of tagged function pointer type.
1294 (__gen_vtable_impl): Remove bool non-type parameter and unused
1295 _Variant_tuple parameter.
1296 (__gen_vtable_impl::__visit_invoke_impl): Remove.
1297 (__gen_vtable_impl::__do_visit_invoke): Remove.
1298 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
1299 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
1300 for the visit<R> case, rather than dispatching to separate functions.
1301 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
1303 (variant::swap): Likewise.
1304 (__do_visit): Replace two non-type template parameters with a single
1305 type parameter, so that the caller must specify the visitor's return
1306 type (or one of the tag types).
1307 (visit): Deduce a return type from the visitor and use the
1308 __deduce_visit_result tag to enforce that all overloads return the
1310 (visit<R>): Call __do_visit<R> with explicit result type.
1311 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
1314 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1316 nonesuch is insufficiently useless (lwg2996)
1317 * include/std/type_traits (struct __nonesuch): Added private base
1318 class to make __nonesuch not an aggregate and removed deleted default
1320 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
1321 (operator=(const pair&)): Use __nonesuch instead of
1322 __nonesuch_no_braces.
1323 (operator=(pair&&)): Likewise
1324 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
1325 of __nonesuch_no_braces.
1326 (operator=(tuple&&)): Likewise
1327 * include/experimental/type_traits (struct nonesuch): Added private
1328 base class to make nonesuch not an aggregate and removed deleted
1329 default constructor.
1330 * testsuite/20_util/nonesuch/nonesuch.cc: New.
1331 * testsuite/experimental/type_traits/nonesuch.cc: New.
1333 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1335 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
1336 (_Function_handler): Remove partial specializations for void return
1337 types and pointers to member.
1338 (_Function_handler::_M_manager): Adapt to removal of
1339 _Simple_type_wrapper.
1340 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
1341 * include/std/functional (_Bind_result::__enable_if_void)
1342 (_Bind_result::__disable_if_void): Remove sfinae helpers.
1343 (_Bind_result::__call): Use __invoke_r and remove overloads for void
1345 * include/std/future (__future_base::_Task_state::_M_run)
1346 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
1347 change return type of lambda expressions.
1349 * include/bits/invoke.h (__invoke_r): Define new function implementing
1350 the INVOKE<R> pseudo-function.
1351 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
1352 * testsuite/20_util/function_objects/invoke/2.cc: New test.
1354 * include/std/type_traits (__is_nt_convertible_helper): Define it
1355 unconditionally, not only for C++20.
1356 (__is_nothrow_convertible): Define internal trait for use in C++11.
1357 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
1358 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
1359 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
1360 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
1361 that has nothrow explicit conversion but potentially-throwing implicit
1363 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
1364 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
1365 function to only consider implicit conversions.
1366 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
1368 * include/std/iterator: Include <iosfwd> instead of <istream> and
1371 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
1372 Remove unused, non-standard function.
1374 * include/bits/regex.h (match_results::max_size()): Adjust return
1375 value to account for prefix/suffix/unmatched subs.
1376 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
1377 reset the contained sub matches.
1378 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
1379 function to set result state following a failed match.
1380 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
1381 sub_match states after _M_resize. Use _M_establish_failed_match.
1384 * include/std/thread (thread::_State_impl, thread::_S_make_state):
1385 Replace single _Callable parameter with variadic _Args pack, to
1386 forward them directly to the tuple of decayed copies.
1387 * testsuite/30_threads/thread/cons/69724.cc: New test.
1389 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1391 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
1392 * include/bits/basic_string.h: (operator=(const basic_string&):
1393 Move allocator decision to assign.
1394 (assign(const basic_string&)): Move allocator decision here.
1395 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
1397 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
1400 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1402 * testsuite/util/testsuite_allocator.h (memory_resource)
1403 (default_resource_mgr): Fix indentation.
1405 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
1406 Use operator-> to access raw pointer member.
1407 * testsuite/23_containers/vector/59829.cc: Likewise.
1408 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
1409 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
1410 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
1412 (PointerBase, PointerBase_void): Derive from NullablePointer and use
1413 its constructors and equality operators. Change converting
1414 constructors to use operator-> to access private member of the other
1416 (PointerBase_void::operator->()): Add, for access to private member.
1417 (operator-(PointerBase, PointerBase)): Change to hidden friend.
1418 (operator==(PointerBase, PointerBase)): Remove.
1419 (operator!=(PointerBase, PointerBase)): Remove.
1421 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
1422 not assume field called _M_head_impl is the first tuple element.
1423 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
1424 implementation more accurate.
1425 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
1426 empty pointer type and non-empty deleter.
1428 LWG 2899 - Make is_move_constructible correct for unique_ptr
1429 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
1430 move assignment operator.
1431 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
1432 (__uniq_ptr_data): New class template with conditionally deleted
1434 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
1435 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
1436 constructor and move assignment operator as defaulted.
1437 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
1438 __uniq_ptr_impl::release().
1439 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
1440 to __uniq_ptr_impl::reset(pointer).
1441 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
1442 Check for new __uniq_ptr_data type.
1443 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
1445 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1447 PR libstdc++/90454.cc path construction from void*
1448 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
1449 pointers to void are rejected as well as void.
1450 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
1451 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
1453 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
1455 * doc/xml/manual/policy_data_structures.xml: Comment out stray
1456 <remark> elements. Fix formatting of bibliography references.
1458 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
1460 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
1462 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1464 Remove Profile Mode, deprecated since 7.1.0
1465 * doc/Makefile.am: Remove XML file for profile mode docs.
1466 * doc/Makefile.in: Regenerate.
1467 * doc/xml/authors.xml: Remove authors of profile mode docs.
1468 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
1470 * doc/xml/manual/debug.xml: Likewise.
1471 * doc/xml/manual/evolution.xml: Document removal of profile mode.
1472 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
1473 * doc/xml/manual/spine.xml: Remove profile mode author credit.
1474 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
1476 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
1478 * doc/html/*: Regenerate.
1479 * include/Makefile.am: Remove profile mode headers.
1480 * include/Makefile.in: Regenerate.
1481 * include/bits/c++config (std::__profile): Remove namespace.
1482 [_GLIBCXX_PROFILE]: Remove checks for macro.
1483 * include/profile/array: Remove.
1484 * include/profile/base.h: Remove.
1485 * include/profile/bitset: Remove.
1486 * include/profile/deque: Remove.
1487 * include/profile/forward_list: Remove.
1488 * include/profile/impl/profiler.h: Remove.
1489 * include/profile/impl/profiler_algos.h: Remove.
1490 * include/profile/impl/profiler_container_size.h: Remove.
1491 * include/profile/impl/profiler_hash_func.h: Remove.
1492 * include/profile/impl/profiler_hashtable_size.h: Remove.
1493 * include/profile/impl/profiler_list_to_slist.h: Remove.
1494 * include/profile/impl/profiler_list_to_vector.h: Remove.
1495 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
1496 * include/profile/impl/profiler_node.h: Remove.
1497 * include/profile/impl/profiler_state.h: Remove.
1498 * include/profile/impl/profiler_trace.h: Remove.
1499 * include/profile/impl/profiler_vector_size.h: Remove.
1500 * include/profile/impl/profiler_vector_to_list.h: Remove.
1501 * include/profile/iterator_tracker.h: Remove.
1502 * include/profile/list: Remove.
1503 * include/profile/map: Remove.
1504 * include/profile/map.h: Remove.
1505 * include/profile/multimap.h: Remove.
1506 * include/profile/multiset.h: Remove.
1507 * include/profile/ordered_base.h: Remove.
1508 * include/profile/set: Remove.
1509 * include/profile/set.h: Remove.
1510 * include/profile/unordered_base.h: Remove.
1511 * include/profile/unordered_map: Remove.
1512 * include/profile/unordered_set: Remove.
1513 * include/profile/vector: Remove.
1514 * scripts/run_doxygen: Do not process profile mode headers.
1515 * testsuite/23_containers/array/element_access/60497.cc: Don't use
1517 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
1518 Remove dg-skip-if for profile mode.
1519 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
1520 preprocessor check for profile mode.
1521 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
1522 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
1524 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
1526 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
1527 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
1528 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
1529 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
1530 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
1532 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
1534 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
1536 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
1538 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
1539 preprocessor check for profile mode.
1540 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
1542 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
1543 Remove dg-skip-if for profile mode.
1544 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
1545 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
1546 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
1547 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
1548 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
1549 * testsuite/Makefile.am: Remove profile_flags variable and
1550 * testsuite/Makefile.am: Remove profile_flags variable and
1551 check-profile target.
1552 * testsuite/Makefile.in: Regenerate.
1553 * testsuite/ext/profile/all.cc: Remove.
1554 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
1555 * testsuite/ext/profile/profiler_algos.cc: Remove.
1556 * testsuite/ext/profile/replace_new.cc: Remove.
1557 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
1558 preprocessor check for profile mode.
1559 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1560 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
1561 (check_v3_target_normal_mode): Do not check for profile mode macro.
1562 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
1564 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
1565 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1566 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1567 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
1568 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
1569 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1570 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1571 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1572 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1573 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1575 Remove array_allocator extension, deprecated since 4.9.0
1576 * doc/xml/manual/allocator.xml: Remove documentation for
1578 * doc/xml/manual/evolution.xml: Document array_allocator removal.
1579 * doc/xml/manual/using.xml: Remove header from documentation.
1580 * include/Makefile.am: Remove <ext/array_allocator.h> header.
1581 * include/Makefile.in: Regenerate.
1582 * include/ext/array_allocator.h: Remove.
1583 * include/precompiled/extc++.h: Do not include removed header.
1584 * testsuite/ext/array_allocator/1.cc: Remove.
1585 * testsuite/ext/array_allocator/2.cc: Remove.
1586 * testsuite/ext/array_allocator/26875.cc: Remove.
1587 * testsuite/ext/array_allocator/3.cc: Remove.
1588 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
1589 * testsuite/ext/array_allocator/check_delete.cc: Remove.
1590 * testsuite/ext/array_allocator/check_new.cc: Remove.
1591 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
1592 * testsuite/ext/headers.cc: Do not include removed header.
1594 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
1596 * include/bits/stl_bvector.h
1597 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1599 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1601 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1603 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1605 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1607 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1609 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1611 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
1613 (_Bit_iterator::operator-(difference_type)): Likewise.
1614 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
1615 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
1617 (_Bit_const_iterator::operator-(difference_type)): Likewise.
1618 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
1620 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
1623 * testsuite/util/thread/all.h: Do not use remove_pointer for
1624 std::thread::native_handle_type.
1627 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
1628 (_Variant_storage<true, Types...>::_M_reset()))
1629 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
1630 (__get_storage): Likewise.
1631 (variant): Add noexcept to friend declarations for __get and
1635 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
1636 Use _Require for constraints.
1637 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
1639 (__uniq_ptr_hash): New base class with conditionally-disabled call
1641 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
1642 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
1643 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
1645 * include/bits/shared_ptr.h: Improve docs.
1646 * include/bits/shared_ptr_base.h: Likewise.
1647 * include/bits/stl_uninitialized.h: Likewise.
1648 * include/bits/unique_ptr.h: Likewise.
1649 * libsupc++/new: Likewise.
1651 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
1653 * include/bits/stl_deque.h
1654 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1656 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1658 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1660 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1662 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1664 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1666 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
1668 (_Deque_iterator<>::operator-(difference_type)): Likewise.
1670 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
1673 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
1674 (test01): Reserve for number of insertions to avoid rehash during test.
1675 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1677 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1682 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
1684 * include/experimental/bits/fs_path.h: Improve docs.
1685 * include/experimental/bits/net.h: Fix wrong header name in comment.
1686 Do not document implementation details.
1687 * include/experimental/netfwd: Fix doxygen grouping.
1689 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1691 * include/bits/stl_pair.h: Improve docs.
1692 * include/std/tuple: Likewise.
1694 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
1696 * include/std/chrono: Improve docs.
1697 * include/std/ratio: Do not document implementation details.
1698 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
1700 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1703 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
1704 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
1705 (__duration_common_type): New helper.
1706 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
1707 __duration_common_type.
1708 (__timepoint_common_type_wrapper): Replace with ...
1709 (__timepoint_common_type): New helper.
1710 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
1711 Use __time_point_common_type.
1712 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
1713 (__common_type_impl): If either argument is transformed by decay,
1714 use the common_type of the decayed types.
1715 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
1716 decayed, use __do_common_type_impl to get the common_type.
1717 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
1718 (__do_member_type_wrapper, __member_type_wrapper)
1719 (__expanded_common_type_wrapper): Remove.
1720 (__common_type_pack, __common_type_fold): New helpers.
1721 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
1722 __member_type_wrapper and __expanded_common_type_wrapper.
1723 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
1724 Test zero-length template argument list.
1725 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
1726 Test single argument cases and argument types that should decay.
1727 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
1728 Adjust expected error.
1729 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
1731 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1732 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1733 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1735 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
1737 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
1739 Make allocator propagation more consistent for
1740 operator+(basic_string) (P1165R1)
1741 * include/bits/basic_string.h
1742 (operator+(basic_string&&, basic_string&&): Changed resulting
1743 allocator to always be the one from the first parameter.
1744 * include/bits/basic_string.tcc
1745 (operator+(const _CharT*, const basic_string&)): Changed
1746 resulting allocator to be SOCCC on the second parameter's allocator.
1747 (operator+(_CharT, const basic_string&)): Likewise.
1748 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
1750 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
1753 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1755 * include/bits/regex.h: Improve docs.
1756 * include/bits/regex.tcc: Do not document implementation details.
1758 * testsuite/19_diagnostics/error_code/hash.cc: New test.
1760 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
1762 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
1763 Add type printer for container types in std::__debug namespace.
1764 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
1765 (gdb-tests): Use distinct parameters for the type of test and use of
1767 (gdb-test): Check for regex test even if 'whatis' test.
1768 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
1770 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1771 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1772 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1773 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1774 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1775 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1776 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1778 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
1780 * include/std/system_error (error_category): Fix comment.
1783 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
1784 argument is an empty path.
1785 (absolute(const path&, error_code&)): Use invalid_argument as error
1786 code instead of no_such_file_or_directory.
1787 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
1788 of non-existent paths and empty paths with both overloads of absolute.
1790 * include/std/system_error (error_category, error_code)
1791 (error_condition): Improve docs.
1792 * libsupc++/exception: Add missing @addtogroup Doxygen command.
1793 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
1794 to class documentation. Suppress documentation for implementation
1796 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
1797 Suppress documentation for implementation details.
1799 * include/std/system_error (error_code): Remove friend declaration
1800 for hash<error_code>.
1801 (hash<error_code>::operator()): Use public member functions to access
1803 (hash<error_condition>::operator()): Use address of category, not
1804 its object representation.
1805 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
1806 Use public member functions to access value and category.
1807 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
1809 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
1811 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
1812 * include/bits/hashtable_policy.h
1813 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
1814 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
1815 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
1816 smaller than input value rather than always greater. Preserve
1817 _M_next_resize if called with 0 input. Use __builtin_floorl.
1818 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
1819 elements + number of insertions is greater than _M_next_resize. Start
1820 with 11 buckets if not told otherwise. Use __builtin_floorl.
1821 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
1822 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1823 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
1824 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
1825 told otherwise. Use __builtin_floorl.
1826 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
1827 to also validate _Power2_rehash_policy.
1828 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
1831 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
1834 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
1838 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
1839 overflow warning with -Wpedantic -Wsystem-headers.
1841 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
1844 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
1845 * include/bits/move.h (swap): Remove extra parentheses.
1847 * include/experimental/bits/lfts_config.h: Improve doc markup.
1848 * include/experimental/optional: Improve docs.
1849 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
1850 (__constexpr_addressof): Remove.
1851 (optional::operator->()): Use std::__addressof().
1852 * include/std/optional (optional::operator->()): Adjust whitespace.
1853 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
1854 that operator-> is still constexpr with overloaded operator&. Change
1855 to compile-only test.
1856 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
1859 * include/bits/shared_ptr.h: Improve docs.
1860 * include/bits/shared_ptr_atomic.h: Likewise.
1861 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
1863 * include/bits/basic_string.h: Fix iterator/index confusion in
1865 * include/bits/range_access.h: Fix Doxygen warnings.
1866 * include/bits/refwrap.h: Do not document implementation details.
1867 (ref, cref): Group docs with reference_wrapper.
1868 * include/std/fstream: Fix Doxygen markup.
1869 * libsupc++/initializer_list (begin, end): Group docs with
1872 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
1874 * include/bits/unique_lock.h: Fix/improve doxygen markup.
1875 * include/std/mutex: Likewise.
1876 * include/std/shared_mutex: Likewise.
1878 * include/bits/fs_dir.h: Fix/improve doxygen markup.
1879 * include/bits/fs_fwd.h: Likewise.
1880 * include/bits/fs_ops.h: Likewise.
1881 * include/bits/fs_path.h: Likewise.
1882 * include/std/filesystem: Likewise.
1884 * include/experimental/bits/net.h: Fix/improve doxygen markup.
1885 * include/experimental/buffer: Likewise.
1886 * include/experimental/executor: Likewise.
1887 * include/experimental/internet: Likewise.
1888 * include/experimental/io_context: Likewise.
1889 * include/experimental/net: Likewise.
1890 * include/experimental/netfwd: Likewise.
1891 * include/experimental/socket: Likewise.
1892 * include/experimental/timer: Likewise.
1894 * doc/doxygen/doxygroups.cc: Move description of experimental group
1896 * include/experimental/algorithm: Add to libfund-ts doc group.
1897 * include/experimental/any: Likewise. Do not document implementation
1899 * include/experimental/array: Add to libfund-ts doc group.
1900 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
1901 for Library Fundamentals.
1902 * include/experimental/chrono: Add to libfund-ts doc group.
1903 * include/experimental/deque: Likewise.
1904 * include/experimental/forward_list: Likewise.
1905 * include/experimental/functional: Likewise.
1906 * include/experimental/iterator: Likewise.
1907 * include/experimental/list: Likewise.
1908 * include/experimental/map: Likewise.
1909 * include/experimental/memory: Likewise.
1910 * include/experimental/memory_resource: Likewise. Improve docs.
1912 * include/experimental/numeric: Add to libfund-ts doc group.
1913 * include/experimental/optional: Likewise.
1914 * include/experimental/propagate_const: Likewise.
1915 * include/experimental/random: Likewise.
1916 * include/experimental/ratio: Likewise.
1917 * include/experimental/regex: Likewise.
1918 * include/experimental/set: Likewise.
1919 * include/experimental/source_location: Likewise.
1920 * include/experimental/string: Likewise.
1921 * include/experimental/string_view: Likewise.
1922 * include/experimental/system_error: Likewise.
1923 * include/experimental/tuple: Likewise.
1924 * include/experimental/type_traits: Likewise.
1925 * include/experimental/unordered_map: Likewise.
1926 * include/experimental/unordered_set: Likewise.
1927 * include/experimental/utility: Likewise.
1928 * include/experimental/vector: Likewise.
1929 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
1930 * testsuite/experimental/array/neg.cc: Adjust dg-error.
1931 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
1933 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
1934 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
1935 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
1936 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
1937 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
1939 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
1940 * include/experimental/bits/fs_fwd.h: Improve docs.
1941 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
1942 * include/experimental/bits/fs_path.h: Likewise.
1943 (path, filesystem_error, u8path): Improve docs.
1944 * include/experimental/filesystem: Link to docs for TS.
1946 * config/allocator/new_allocator_base.h (__allocator_base): Add
1947 workaround for Doxygen bug #6945.
1948 * include/std/memory: Improve docs. Define group for pointer safety.
1949 * include/std/scoped_allocator: Improve docs. Use "undocumented"
1950 conditional to suppress documentation for implementation details.
1952 * include/bits/specfun.h: Improve docs.
1953 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
1956 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
1957 (std::experimental): Add docs.
1958 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
1959 namespace to nothing when generating docs.
1960 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
1961 * include/std/chrono (std::chrono): Likewise.
1962 * include/std/functional (std::placeholders): Likewise.
1963 * include/std/thread (std::this_thread): Likewise.
1965 * include/parallel/settings.h: Fix Doxygen markup.
1967 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
1968 anything unless PB_DS_CLASS_C_DEC is defined.
1969 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
1970 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
1971 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
1972 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
1973 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
1974 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
1975 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
1977 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
1978 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
1979 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
1980 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
1981 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
1982 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
1983 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
1984 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
1985 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
1986 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
1987 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
1989 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
1990 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
1992 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
1995 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
1996 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
1997 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
2000 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2002 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
2003 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
2004 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
2005 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
2006 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
2007 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
2009 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
2010 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
2013 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
2016 * include/std/complex (__complex_proj): Return parameter unchanged.
2017 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
2018 floating-point types to take std::complex arguments.
2019 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
2020 floating-point types.
2021 * testsuite/26_numerics/complex/proj.cc: New test.
2023 2019-04-30 Jakub Jelinek <jakub@redhat.com>
2025 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
2026 to _Lock_policyE[012].
2027 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2029 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
2031 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
2032 macros accidentally left in.
2033 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
2034 unnecessary -lstdc++fs option. Fix test for mingw.
2035 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
2038 2019-04-30 Jakub Jelinek <jakub@redhat.com>
2040 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2042 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
2044 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
2046 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
2047 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
2050 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
2052 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
2055 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
2056 class template and partial specialization.
2059 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
2061 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
2062 functions to convert a value to an integral type.
2063 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
2064 (fill_n): Convert _Size parameter to an integral type.
2065 * testsuite/25_algorithms/fill_n/87982.cc: New test.
2066 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
2067 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
2068 * testsuite/25_algorithms/generate_n/87982.cc: New test.
2069 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
2070 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
2072 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
2074 Adding noexcept-specification on tuple constructors (LWG 2899)
2075 * libstdc++-v3/include/std/tuple:
2076 (tuple()): Add noexcept-specification.
2077 (tuple(const _Elements&...)): Likewise
2078 (tuple(_UElements&&...)): Likewise
2079 (tuple(const tuple<_UElements...>&)): Likewise
2080 (tuple(tuple<_UElements...>&&)): Likewise
2081 (tuple(const _T1&, const _T2&)): Likewise
2082 (tuple(_U1&&, _U2&&)): Likewise
2083 (tuple(const tuple<_U1, _U2>&): Likewise
2084 (tuple(tuple<_U1, _U2>&&): Likewise
2085 (tuple(const pair<_U1, _U2>&): Likewise
2086 (tuple(pair<_U1, _U2>&&): Likewise
2087 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
2089 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
2092 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
2093 arguments with __restrict.
2095 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
2097 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
2099 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
2101 * include/experimental/bits/fs_path.h
2102 (path::_S_convert_loc<_InputIterator>): Create const std::string to
2103 avoid redundant call to _S_convert_loc with non-const pointers.
2105 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
2106 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
2107 * testsuite/21_strings/basic_string/hash/hash.cc
2108 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
2109 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
2110 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
2112 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
2113 wstring::_M_replace_dispatch with more specific patterns.
2114 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
2115 Create const std::string to avoid redundant call to _S_convert_loc
2116 with non-const pointers.
2117 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
2118 avoid unnecessary basic_string::assign instantiations.
2120 * include/std/memory (__uses_alloc_args): Add string-literal to
2121 static_assert, to match the one in __uses_alloc.
2122 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
2123 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
2124 for recursive uses-allocator construction of nested pairs.
2125 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
2128 2019-04-26 Jakub Jelinek <jakub@redhat.com>
2130 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
2131 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
2132 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
2133 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
2135 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2136 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
2137 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
2138 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
2139 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
2140 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2141 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2143 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
2146 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
2147 * include/std/scoped_allocator [__cplusplus > 201703L]
2148 (scoped_allocator_adaptor::construct): Define in terms of
2149 uses_allocator_construction_args, as per P0591R4.
2150 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
2151 * testsuite/util/testsuite_allocator.h: Remove name of unused
2154 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
2156 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
2157 * doc/html/*: Regenerate.
2159 * include/bits/fs_path.h (operator<, operator<=, operator>)
2160 (operator>=, operator==, operator!=): Make hidden friends, as per
2162 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
2163 string type in test.
2164 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
2166 * include/std/any (any::any(ValueType&&)): Use __and_v.
2167 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
2170 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
2172 * include/std/type_traits (__result_of_memfun): Use remove_reference
2173 instead of __remove_cvref_t and remove redundant is_same check.
2174 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
2176 * include/experimental/string_view (basic_string_view::pointer)
2177 (basic_string_view::reference): Fix to refer to non-const value_type.
2178 * include/bits/basic_string.h (basic_string): Use __sv_check and
2179 __sv_limit instead of basic_string_view::_M_check and
2180 basic_string_view::_M_limit.
2181 * include/std/string_view (__sv_check, __sv_limit): New
2182 helper functions to replace basic_string_view::_M_check and
2183 basic_string_view::_M_limit.
2184 (basic_string_view): Add static assertions to enforce ill-formed
2185 requirement for traits_type::char_type from P1148R0, and to enforce
2186 required properties of char-like types.
2187 (basic_string_view::pointer, basic_string_view::reference): Fix to
2188 refer to non-const value_type.
2189 (basic_string_view::operator[], basic_string_view::at)
2190 (basic_string_view::front, basic_string_view::back)
2191 (basic_string_view::data): Use const_reference and const_pointer
2192 typedefs for return types.
2193 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
2194 (hash<wstring_view>): Fix argument_type typedef.
2195 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
2196 char/1.cc: Fix expected return type of basic_string_view::data().
2197 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
2198 wchar_t/1.cc: Likewise.
2199 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
2200 char/1.cc: Likewise.
2201 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
2202 wchar_t/1.cc: Likewise.
2203 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
2205 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
2206 Check reference and pointer typedefs.
2207 * testsuite/experimental/string_view/requirements/typedefs.cc:
2209 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
2210 Fix expected return type of basic_string_view::data().
2211 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
2213 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
2215 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
2219 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
2220 Avoid a runtime check for types that can never be stored in std::any.
2221 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
2224 PR libstdc++/90220 (partial)
2225 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
2226 not attempt ill-formed static_cast to pointers to non-object types.
2227 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
2230 * testsuite/20_util/variant/run.cc: Catch exception by reference to
2231 prevent -Wcatch-value warning.
2233 * include/std/variant (__variant_construct): Use template parameter
2234 type instead of equivalent decltype-specifier.
2235 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
2236 Replace forward with move.
2237 (_Move_ctor_base<false, Types...>::_M_destructive_move)
2238 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
2239 (_Move_ctor_base<true, Types...>::_M_destructive_move)
2240 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
2241 index after construction succeeds.
2242 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
2243 if-constexpr checks that are always true. Use __remove_cvref_t instead
2244 of remove_reference so that is_nothrow_move_constructible check
2245 doesn't use a const rvalue parameter. In the potentially-throwing case
2246 construct a temporary and move assign it, as per LWG 2904.
2247 (_Move_assign_base<false, Types...>::operator=): Remove redundant
2248 if-constexpr checks that are always true. Use emplace as per LWG 2904.
2249 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
2250 construct a temporary and move assign from it, as per LWG 2904.
2251 * testsuite/20_util/variant/exception_safety.cc: Check that
2252 assignment operators have strong exception safety guarantee.
2254 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
2256 Document PSTL linker flags
2258 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
2260 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
2262 * include/std/variant (__detail::__variant::_Traits): Make
2263 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
2264 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
2266 (__detail::__variant::_Copy_assign_alias): Only depend on
2267 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
2268 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
2269 move assignment operators.
2272 * include/std/variant (variant::__not_self): New helper for the
2273 is_same_v<remove_cvref_t<T>, variant>==false constraints.
2274 (variant::__to_type_impl): Remove.
2275 (variant::__to_type): Add default argument to check pack size, instead
2276 of using __to_type_impl.
2277 (variant::__accepted_type): Add default argument using __not_self.
2278 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
2279 for variant(T&&) constructor constraint.
2280 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
2281 Extract __accepted_type into a named template parameter for reuse in
2282 other constraints and in the exception specification.
2283 (variant::variant(in_place_type_t<T>, Args&&...))
2284 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
2285 (variant::variant(in_place_index_t<T>, Args&&...))
2286 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
2287 (variant::operator=T&&)): Remove redundant && from trait arguments.
2288 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
2289 isn't used for in_place_type or in_place_index arguments.
2291 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
2292 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
2293 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
2295 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2296 Bernd Edlinger <bernd.edlinger@hotmail.de>
2297 Jakub Jelinek <jakub@redhat.com>
2300 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
2301 general-regs-only target attribute for ARM.
2303 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
2306 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
2307 specialization also depend on is_nothrow_move_constructible.
2308 * include/std/variant (__detail::__variant::__never_valueless()):
2309 Only true if the variant would have a move assignment operator.
2310 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
2311 Check __never_valueless<T...>().
2312 (variant::emplace): Only perform non-throwing move assignments
2313 for never-valueless alternatives if the variant has a move assignment
2315 * testsuite/20_util/variant/compile.cc: Check that never-valueless
2316 types can be emplaced into non-assignable variants.
2317 * testsuite/20_util/variant/run.cc: Check that never-valueless types
2318 don't get copied when emplaced into non-assignable variants.
2320 * include/std/variant (__detail::__variant::__ref_cast): Remove
2322 (__detail::__variant::_Uninitialized::_M_get)
2323 (__detail::__variant::__get)
2324 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
2326 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
2328 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
2330 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
2331 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
2332 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
2333 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
2335 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2337 Delegate PSTL configuration to pstl/pstl_config.h
2339 * include/bits/c++config: Remove explicit PSTL configuration
2340 macros and use definitions from <pstl/pstl_config.h>.
2342 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2344 Cleanup algorithm implementations
2345 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
2347 (mismatch): Forward execution policy.
2348 (equal): Qualify call to std::equal().
2349 (partial_sort): Forward execution policy.
2350 (inplace_merge): Forward execution policy.
2352 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
2354 Improve implementation of parallel equal()
2355 * include/pstl/algorithm_impl.h
2356 (__internal::__brick_equal): use "4 iterator" version of
2358 (__internal::__brick_equal): use simd for random access
2359 iterators on unsequenced execution policies.
2360 (__internal::__pattern_equal): add "4 iterator" version
2361 (__internal::__pattern_equal): dispatch to simd __brick_equal
2362 for vector-only execution policies.
2363 (__internal::__pattern_equal): dispatch to __parallel_or for
2364 parallel execution policies.
2365 * include/pstl/glue_algorithm_impl.h
2366 (std::equal): dispatch to "4 iterator" version of
2367 __internal::__pattern_equal().
2369 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
2372 * include/bits/forward_list.h (operator==): Do not use operator!= to
2374 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
2375 earlier in the list, so that sort is stable.
2376 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
2377 * testsuite/23_containers/forward_list/comparable.cc: Test with
2378 types that meet the minimum EqualityComparable and LessThanComparable
2379 requirements. Remove irrelevant comment.
2381 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
2382 Do not depend on whether all alternative types are move constructible.
2383 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
2384 from the operand when deciding whether to perform the assignment.
2385 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
2386 with deleted move constructor and deleted move assignment operator.
2387 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
2388 behaviour of variants with DeletedMoves as an alternative.
2389 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
2390 (move_ctor, move_assign): Check that moving a variant with a
2391 DeletedMoves alternative falls back to copying instead of moving.
2393 * testsuite/20_util/variant/compile.cc: Remove empty string literals
2394 from static_assert declarations.
2396 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
2397 actually match its name.
2398 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
2399 (test_swap()): Fix result for MoveCtorOnly and check
2400 MoveCtorAndSwapOnly.
2402 * include/std/optional (optional::value_or(U&&) &&): Add missing
2403 constexpr specifier.
2404 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
2405 for disengaged optionals and rvalue optionals.
2406 * testsuite/20_util/optional/observers/4.cc: Likewise.
2408 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
2410 * include/pstl/algorithm_impl.h: Uglify identfiers.
2411 * include/pstl/numeric_impl.h: Uglify identfiers.
2412 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
2414 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
2416 * include/bits/c++config:
2417 Add definition for __PSTL_ASSERT.
2418 Add definition for __PSTL_ASSERT_MSG.
2419 * include/pstl/algorithm_impl.h: Replace use of assert().
2420 * include/pstl/numeric_impl.h: Replace use of assert().
2421 * include/pstl/parallel_backend_tbb.h:
2422 Replace use of assert().
2423 Replace use of __TBB_ASSERT().
2424 * include/pstl/parallel_backend_utils.h: Replace use of assert().
2426 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
2429 * src/c++17/memory_resource.cc
2430 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
2431 needed to allow placing a _Chunk at the end of the buffer.
2432 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
2434 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
2436 * doc/xml/faq.xml: Add information about emergency EH pool.
2437 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
2438 Move outdated information on mt_allocator to a separate section.
2439 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
2440 doesn't affect the default allocator.
2442 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
2446 * testsuite/20_util/variant/89851.cc: New test.
2448 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
2450 * include/std/variant: Adjust whitespace. Add comments.
2451 (_Multi_array): Leave primary template undefined.
2452 (_Multi_array<_Tp>): Define partial specialization for base case of
2454 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
2455 which is always a reference.
2456 (__gen_vtable::_S_apply()): Remove function, inline body into
2457 default member initializer.
2458 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
2460 * include/std/variant (__variant_idx_cookie): Add member type.
2461 (__visitor_result_type): Remove.
2462 (__do_visit): Use invoke_result instead of __visitor_result_type.
2463 * testsuite/20_util/variant/visit.cc: New test.
2466 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
2468 * testsuite/20_util/variant/90008.cc: New test.
2470 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
2472 * include/pstl/algorithm_impl.h: Add namespace qualification.
2473 * include/pstl/execution_defs.h: Add namespace qualification.
2474 * include/pstl/execution_impl.h: Add namespace qualification.
2475 * include/pstl/numeric_impl.h: Add namespace qualification.
2476 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
2477 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
2478 * include/pstl/parallel_backend_utils.h: Include <cassert>.
2480 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
2482 Fix visit<R> for variant.
2483 * include/std/variant (__do_visit): Add a template parameter
2484 for enforcing same return types for visit.
2485 (__gen_vtable_impl): Likewise.
2486 (_S_apply_single_alt): Adjust.
2487 (__visit_invoke_impl): New. Handle casting to void.
2488 (__do_visit_invoke): New. Enforces same return types.
2489 (__do_visit_invoke_r): New. Converts return types.
2490 (__visit_invoke): Adjust.
2491 (__gen_vtable): Add a template parameter for enforcing
2492 same return types for visit.
2493 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
2494 different return types.
2495 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
2496 visitors with different return types don't accidentally
2497 compile with regular visitation.
2499 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
2501 * testsuite/27_io/filesystem/iterators/caching.cc: Add
2502 dg-require-filesystem-ts.
2504 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
2506 * doc/xml/manual/status_cxx2020.xml: Update status.
2507 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
2508 * testsuite/20_util/variant/visit_r.cc: New test.
2510 * include/bits/fs_dir.h (directory_iterator::operator*)
2511 (directory_iterator::operator->): Add noexcept.
2512 (operator==, operator!=): Replace namespace-scope equality operators
2513 for directory iterators with hidden friends.
2516 * config/abi/pre/gnu.ver: Add missing exports.
2517 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
2520 * config/abi/pre/gnu.ver: Export new symbols.
2521 * include/bits/fs_dir.h (recursive_directory_iterator::options())
2522 (recursive_directory_iterator::recursion_pending())
2523 (recursive_directory_iterator::disable_recursion_pending()): Remove
2524 inline definitions. Make noexcept.
2525 (recursive_directory_iterator::depth())
2526 (recursive_directory_iterator::operator*())
2527 (recursive_directory_iterator::operator->()): Make noexcept.
2528 (recursive_directory_iterator::_M_options)
2529 (recursive_directory_iterator::_M_pending): Remove data members.
2530 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
2531 (recursive_directory_iterator::recursive_directory_iterator): Remove
2532 ctor-initializer. Use new constructor for _Dir_stack.
2533 (recursive_directory_iterator::options())
2534 (recursive_directory_iterator::recursion_pending())
2535 (recursive_directory_iterator::disable_recursion_pending()): Add
2536 non-inline definitions.
2537 (recursive_directory_iterator::depth()): Make noexcept.
2538 (recursive_directory_iterator::increment(error_code&))
2539 (recursive_directory_iterator::pop(error_code&)): Adjust to new
2540 location of options and recursion_pending members.
2541 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
2542 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
2543 user-declared move constructor and assignment operator, to make the
2546 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
2547 d_type == DT_UNKNOWN immediately.
2548 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
2550 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
2552 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
2554 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
2555 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
2558 PR libstdc++/87431 (again)
2559 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
2560 Define partial specialization for basic_string.
2561 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
2562 shared_ptr and weak_ptr.
2563 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
2565 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
2567 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
2569 * include/debug/vector (_Never_valueless_alt): Likewise for debug
2571 * include/std/any (_Never_valueless_alt): Define explicit
2572 specialization for any.
2573 * include/std/variant (_Never_valueless_alt): Define primary template.
2574 (__never_valueless): Use _Never_valueless_alt instead of
2575 is_trivially_copyable.
2576 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
2577 initializations to avoid try-catch overhead. Add special case for
2578 scalars produced by potentially-throwing conversions. Use
2579 _Never_valueless_alt instead of is_trivially_copyable for the
2580 remaining strong exception-safety cases.
2581 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
2582 * testsuite/20_util/variant/87431.cc: Run both test functions.
2583 * testsuite/20_util/variant/exception_safety.cc: New test.
2584 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
2585 so the variant becomes valueless.
2587 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
2590 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
2592 (variant::emplace<_Tp>): Return result of emplace<N> directly.
2594 * include/std/string (__hash_string_base): New class template defining
2595 operator() for hashing strings.
2596 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
2597 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
2598 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
2599 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
2601 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
2603 Use single-visitation in variant assignment and swap and relops.
2604 Also use indices instead of types when checking whether
2605 variants hold the same thing.
2606 * include/std/variant (__do_visit): Add a template parameter
2607 for index visitation, invoke with indices if index visitation
2609 (__variant_idx_cookie): New.
2610 (__visit_with_index): Likewise.
2611 (_Copy_assign_base::operator=): Do single-visitation with
2613 (_Move_assign_base::operator=): Likewise.
2614 (_Extra_visit_slot_needed): Adjust.
2615 (__visit_invoke): Call with indices if it's an index visitor.
2616 (relops): Do single-visitation with an index visitor.
2618 (__visitor_result_type): New.
2620 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
2622 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
2624 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2626 Don't revisit a variant we are already visiting.
2627 * include/std/variant (__variant_construct_single): New.
2628 (__variant_construct): Use it.
2629 (_M_destructive_move): Likewise.
2630 (_M_destructive_copy): Likewise.
2631 (_Copy_assign_base::operator=): Adjust.
2632 (_Move_assign_base::operator=): Likewise.
2635 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
2638 * include/bits/hashtable.h (_Hashtable): Move static assertions to
2639 destructor so they are not evaluated until the _Key type is complete.
2640 * include/bits/stl_tree.h (_Rb_tree): Likewise.
2641 * testsuite/23_containers/set/85965.cc: New test.
2642 * testsuite/23_containers/unordered_set/85965.cc: New test.
2643 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
2644 with regexp matching the corresponding _Rb_tree specialization.
2645 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2646 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
2647 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2648 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2649 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2650 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2651 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2653 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2656 Fix based on a suggestion by Antony Polukhin.
2657 * include/std/variant (__never_valueless): New.
2659 (_Extra_visit_slot_needed): New.
2660 (_Multi_array): Use it.
2661 (_S_apply_all_alts): Likewise.
2663 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2666 Fix based on a suggestion by Antony Polukhin.
2667 * include/std/variant (__gen_vtable): Don't reserve an
2668 additional table slot, _Multi_array already does that.
2670 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2673 Fix based on a suggestion by Antony Polukhin.
2674 * include/std/variant (__variant_construct): Capture a pointer
2675 to the storage and visit just one variant.
2677 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
2679 * doc/xml/manual/backwards_compatibility.xml: Remove link to
2680 Doxygen-generated pages with unstable URL.
2681 * doc/xml/manual/concurrency_extensions.xml: Likewise.
2682 * doc/xml/manual/extensions.xml: Likewise.
2683 * doc/xml/manual/parallel_mode.xml: Likewise.
2684 * doc/xml/manual/support.xml: Likewise.
2686 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
2687 avoid -Wconversion warnings.
2689 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
2691 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
2692 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
2693 (allstamped): Add stamp-pstl.
2694 (install-headers): Add ptsl_builddir.
2695 * include/Makefile.in: Regenerate.
2696 * include/bits/c++config: Add pstl configuration.
2697 * include/pstl/LICENSE.txt: New file.
2698 * include/pstl/algorithm_fwd.h: New file.
2699 * include/pstl/algorithm_impl.h: New file.
2700 * include/pstl/execution_defs.h: New file.
2701 * include/pstl/execution_impl.h: New file.
2702 * include/pstl/glue_algorithm_defs.h: New file.
2703 * include/pstl/glue_algorithm_impl.h: New file.
2704 * include/pstl/glue_execution_defs.h: New file.
2705 * include/pstl/glue_memory_defs.h: New file.
2706 * include/pstl/glue_memory_impl.h: New file.
2707 * include/pstl/glue_numeric_defs.h: New file.
2708 * include/pstl/glue_numeric_impl.h: New file.
2709 * include/pstl/memory_impl.h: New file.
2710 * include/pstl/numeric_fwd.h: New file.
2711 * include/pstl/numeric_impl.h: New file.
2712 * include/pstl/parallel_backend.h: New file.
2713 * include/pstl/parallel_backend_tbb.h: New file.
2714 * include/pstl/parallel_backend_utils.h: New file.
2715 * include/pstl/parallel_impl.h: New file.
2716 * include/pstl/pstl_config.h: New file.
2717 * include/pstl/unseq_backend_simd.h: New file.
2718 * include/pstl/utils.h: New file.
2719 * include/std/algorithm: Include parallel algorithm implementations.
2720 * include/std/execution: New file.
2721 * include/std/memory: Include parallel algorithm implementations.
2722 * include/std/numeric: Include parallel algorithm implementations.
2723 * include/std/version: Add parallel algorithms feature test macro.
2724 * testsuite/util/pstl/pstl_test_config.h: New file.
2725 * testsuite/util/pstl/test_utils.h: New file.
2726 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2727 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2728 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2729 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2730 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2731 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2732 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2733 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2734 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2735 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2736 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2737 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2738 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2739 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2740 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2741 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2742 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2743 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2744 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2745 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2746 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2747 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2748 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2749 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2750 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2751 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2752 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2753 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2754 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2755 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2756 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2757 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2758 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2759 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2760 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2761 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2762 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2763 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2764 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2765 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2766 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2767 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2768 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2769 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2770 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2771 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2772 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2773 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2774 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2775 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2776 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2777 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2778 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2779 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2780 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2781 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2782 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2783 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2784 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2785 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2786 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2787 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2788 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2789 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2790 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2791 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2792 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2793 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2794 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2795 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2796 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2797 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2798 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2799 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2800 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2801 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2802 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2803 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2804 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2805 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2806 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2807 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2808 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2809 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2810 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2811 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2812 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2813 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2814 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2815 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2816 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2817 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2818 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2819 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2820 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2821 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2822 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2823 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2824 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2825 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2826 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2827 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2828 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2829 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2830 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2831 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2833 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
2835 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
2836 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
2837 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
2838 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
2839 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
2840 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
2841 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
2842 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
2843 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
2844 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
2845 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
2846 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
2847 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
2848 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
2849 when the special functions IS is enabled, not for C++17.
2850 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
2852 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
2853 without checks for special functions in C++17.
2854 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
2858 * include/backward/hash_map: Use <> for includes not "".
2859 * include/backward/hash_set: Likewise.
2860 * include/backward/strstream: Likewise.
2861 * include/tr1/bessel_function.tcc: Likewise.
2862 * include/tr1/exp_integral.tcc: Likewise.
2863 * include/tr1/legendre_function.tcc: Likewise.
2864 * include/tr1/modified_bessel_func.tcc: Likewise.
2865 * include/tr1/riemann_zeta.tcc: Likewise.
2867 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
2869 * doc/xml/manual/allocator.xml: Link to table documenting evolution
2870 of extension allocators.
2871 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
2872 Document new headers in 7.2, 8.1 and 9.1 releases.
2873 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
2874 * doc/html/*: Regenerate.
2876 2019-03-12 John David Anglin <dave.anglin@bell.net>
2879 * testsuite/lib/libstdc++.exp: Locate libatomic.
2880 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
2881 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
2883 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
2884 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
2885 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
2886 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
2888 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
2891 * configure.ac: Check for sockatmark.
2892 * crossconfig.m4: Check for sockatmark.
2893 * config.h.in: Regenerate.
2894 * configure: Regenerate.
2895 * include/experimental/internet (address_v4::_S_hton): Rename
2896 overloaded functions to _S_hton_16 and _S_ntoh_16.
2897 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
2898 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
2899 * include/experimental/socket (basic_socket::at_mark): Check
2900 _GLIBCXX_HAVE_SOCKATMARK.
2902 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
2903 const variables instead of macros.
2906 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
2907 Use correct type for len_aligned.
2908 * testsuite/20_util/hash/89629.cc: New test.
2910 2019-03-11 Jakub Jelinek <jakub@redhat.com>
2913 * include/std/atomic (atomic<T>::store, atomic<T>::load,
2914 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
2915 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
2916 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
2917 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
2918 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
2919 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
2920 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
2921 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
2922 memory_order_seq_cst to int.
2924 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
2926 * doc/xml/manual/using.xml: Use link element instead of xref.
2927 * doc/html/*: Regenerate.
2929 * include/bits/fs_path.h (path::format): Add fixed underlying type.
2931 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
2934 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
2935 parameters in deduction guides.
2936 * include/debug/multimap.h (multimap): Likewise.
2937 * include/debug/set.h (multimap): Likewise.
2938 * include/debug/multiset.h (multimap): Likewise.
2939 * include/debug/unordered_map (unordered_map): Likewise.
2940 (unordered_multimap): Likewise.
2941 * include/debug/unordered_set (unordered_set): Likewise.
2942 (unordered_multiset): Likewise.
2945 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
2946 Invalidate all iterators in case of rehash.
2947 (unordered_multimap<>::_M_check_rehashed): Likewise.
2948 * include/debug/unordered_set
2949 (unordered_set<>::_M_check_rehashed): Likewise.
2950 (unordered_multiset<>::_M_check_rehashed): Likewise.
2951 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
2953 2019-03-07 Andreas Schwab <schwab@suse.de>
2955 * config/abi/post/riscv64-linux-gnu: New directory.
2956 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
2958 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
2960 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
2961 compile test to run. Fix typo.
2963 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
2964 * doc/html/*: Regenerate.
2966 P0356R5 Simplified partial function application
2967 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
2968 helpers for bind_front.
2969 (bind_front, __cpp_lib_bind_front): Define.
2970 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
2972 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
2974 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
2975 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
2976 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
2977 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2979 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
2981 PR libstdc++/86655 - std::assoc_legendre should not constrain
2982 the value of m (or x).
2983 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
2984 __sph_legendre): If degree > order Don't throw, return 0.
2985 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
2986 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
2987 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
2988 * testsuite/tr1/5_numerical_facilities/special_functions/
2989 02_assoc_legendre/pr86655.cc: New test.
2990 * testsuite/tr1/5_numerical_facilities/special_functions/
2991 22_sph_legendre/pr86655.cc: New test.
2993 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
2996 Also PR libstdc++/85517
2997 * include/std/variant (__do_visit): New.
2998 (__variant_cast): Likewise.
2999 (__variant_cookie): Likewise.
3000 (__erased_*): Remove.
3001 (_Variant_storage::_S_vtable): Likewise.
3002 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
3003 (_Variant_storage::__M_reset): Adjust.
3004 (__variant_construct): New.
3005 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
3006 __variant_construct.
3007 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
3008 (_Move_ctor_base::__M_destructive_copy): New.
3009 (_Move_ctor_base::__M_destructive_move): Adjust to use
3010 __variant_construct.
3011 (_Copy_assign_base::operator=): Adjust to use __do_visit.
3012 (_Copy_assign_alias): Adjust to check both copy assignment
3013 and copy construction for triviality.
3014 (_Move_assign_base::operator=): Adjust to use __do_visit.
3015 (_Multi_array): Add support for visitors that accept and return
3017 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
3018 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
3019 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
3020 a __variant_cookie temporary for a variant that is valueless and..
3021 (__gen_vtable_impl::__visit_invoke): ..adjust here.
3022 (__gen_vtable::_Array_type): Conditionally make space for
3023 the __variant_cookie visitor case.
3024 (__variant_construct_by_index): New.
3025 (get_if): Adjust to use std::addressof.
3026 (relops): Adjust to use __do_visit.
3027 (variant): Add __variant_cast and __variant_construct_by_index
3029 (variant::emplace): Use _M_reset() and __variant_construct_by_index
3030 instead of self-destruction.
3031 (variant::swap): Adjust to use __do_visit.
3032 (visit): Reimplement in terms of __do_visit.
3033 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
3034 * testsuite/20_util/variant/compile.cc: Adjust.
3035 * testsuite/20_util/variant/run.cc: Likewise.
3037 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
3039 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
3041 * testsuite/experimental/feat-char8_t.cc: Likewise.
3043 * include/std/type_traits [C++20] (is_bounded_array)
3044 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
3046 * testsuite/20_util/is_bounded_array/requirements/
3047 explicit_instantiation.cc: New test.
3048 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
3050 * testsuite/20_util/is_bounded_array/value.cc: New test.
3051 * testsuite/20_util/is_unbounded_array/requirements/
3052 explicit_instantiation.cc: New test.
3053 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
3055 * testsuite/20_util/is_unbounded_array/value.cc: New test.
3057 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
3059 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
3061 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
3063 * include/c_compatibility/math.h [C++20] (lerp): Add using
3065 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
3066 (__lerp): Define function template to implement lerp.
3067 (lerp(float, float, float), lerp(double, double, double))
3068 (lerp(long double, long double, long double)): Define for C++20.
3069 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
3070 (midpoint(T, T), midpoint(T*, T*)): Define.
3071 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
3072 * testsuite/26_numerics/lerp.cc: New test.
3073 * testsuite/26_numerics/midpoint/floating.cc: New test.
3074 * testsuite/26_numerics/midpoint/integral.cc: New test.
3075 * testsuite/26_numerics/midpoint/pointer.cc: New test.
3077 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
3079 PR libstdc++/88996 Implement P0439R0
3080 Make std::memory_order a scoped enumeration.
3081 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
3082 add variables for the old enumerators. Adjust calls.
3083 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
3084 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
3086 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
3088 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
3091 * include/std/memory_resource (polymorphic_allocator): Add default
3092 template argument for C++20.
3093 (polymorphic_allocator::allocate_bytes)
3094 (polymorphic_allocator::deallocate_bytes)
3095 (polymorphic_allocator::allocate_object)
3096 (polymorphic_allocator::deallocate_object)
3097 (polymorphic_allocator::new_object)
3098 (polymorphic_allocator::delete_object): New member functions for
3100 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
3103 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
3106 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
3109 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
3111 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
3112 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
3114 * include/std/memory (uses_allocator_construction_args): New set of
3115 overloaded functions.
3116 (make_obj_using_allocator, uninitialized_construct_using_allocator):
3118 * include/std/memory_resource (polymorphic_allocator::construct)
3119 [__cplusplus > 201703l]: Replace all overloads with a single function
3120 using uses_allocator_construction_args.
3121 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
3123 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
3125 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
3128 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
3129 stylesheet directories before check for xsltproc. Try to use
3130 xmlcatalog to find local stylesheet directory before trying hardcoded
3131 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
3132 check to look for the same stylesheet as doc/Makefile.am uses. Don't
3133 use xsltproc if xmlcatalog fails to find a local stylesheet.
3134 * configure.ac: Check for xmlcatalog.
3135 * Makefile.in: Regenerate.
3136 * configure: Likewise.
3137 * doc/Makefile.in: Likewise.
3138 * include/Makefile.in: Likewise.
3139 * libsupc++/Makefile.in: Likewise.
3140 * po/Makefile.in: Likewise.
3141 * python/Makefile.in: Likewise.
3142 * src/Makefile.in: Likewise.
3143 * src/c++11/Makefile.in: Likewise.
3144 * src/c++17/Makefile.in: Likewise.
3145 * src/c++98/Makefile.in: Likewise.
3146 * src/filesystem/Makefile.in: Likewise.
3147 * testsuite/Makefile.in: Likewise.
3149 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
3152 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
3153 container deduction guides.
3154 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
3155 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
3156 parameters in deduction guides.
3157 * include/bits/stl_multimap.h (multimap): Likewise.
3158 * include/bits/stl_multiset.h (multiset): Likewise.
3159 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
3160 * include/bits/stl_set.h (set): Likewise.
3161 * include/bits/stl_stack.h (stack): Likewise.
3162 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
3163 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
3164 constrain parameters in deduction guides.
3165 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
3167 * testsuite/23_containers/map/cons/deduction.cc: Test additional
3169 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
3170 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
3171 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
3172 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
3174 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
3176 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
3179 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
3180 to class template and partial specialization using void_t.
3181 (__is_copy_insertable, __is_move_insertable): Adjust base class.
3183 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
3186 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
3187 copy and move members public.
3189 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
3191 * include/std/type_traits (__underlying_type_impl): New helper to
3192 make underlying_type SFINAE-friendly.
3193 (underlying_type): Derive from __underlying_type_impl.
3194 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
3198 * include/bits/char_traits.h (__constant_char_array): Check index is
3199 in range before dereferencing.
3200 (char_traits<char>::compare, char_traits<char>::find)
3201 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
3202 immediately if n is zero.
3203 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
3204 Remove workarounds for PR 67026.
3205 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
3207 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
3210 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
3212 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
3213 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
3215 2019-02-22 Jakub Jelinek <jakub@redhat.com>
3218 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
3219 type to std::size_t and argument to type to long double.
3221 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
3223 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
3224 * config/abi/post/sparc64-linux-gnu: New directory.
3225 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
3226 * config/abi/post/sparc64-linux-gnu/32: New directory.
3227 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
3229 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
3231 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
3232 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
3235 2019-02-22 Tom Honermann <tom@honermann.net>
3237 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
3238 printers for u8string and u8string_view.
3240 2019-02-22 Tom Honermann <tom@honermann.net>
3242 * testsuite/18_support/byte/ops.cc: Validate
3243 std::to_integer<char8_t>, std::to_integer<char16_t>, and
3244 std::to_integer<char32_t>.
3245 * testsuite/18_support/numeric_limits/dr559.cc: Validate
3246 std::numeric_limits<char8_t>.
3247 * testsuite/18_support/numeric_limits/lowest.cc: Validate
3248 std::numeric_limits<char8_t>::lowest().
3249 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
3250 std::numeric_limits<char8_t>::max_digits10.
3251 * testsuite/18_support/type_info/fundamental.cc: Validate
3252 typeinfo for char8_t.
3253 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
3254 std::from_chars with char8_t.
3255 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
3256 Validate explicit instantiation of std::hash<char8_t>.
3257 * testsuite/20_util/is_integral/value.cc: Validate
3258 std::is_integral<char8_t>.
3259 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
3260 Validate std::make_signed<char8_t>.
3261 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
3262 Validate u8string construction from char8_t sources.
3263 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
3265 * testsuite/21_strings/basic_string_view/operations/compare/
3266 char/70483.cc: Validate substr operations on u8string_view.
3267 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
3268 the u8string_view typedef is defined.
3269 * testsuite/21_strings/char_traits/requirements/
3270 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
3272 * testsuite/21_strings/char_traits/requirements/
3273 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
3274 constexpr member functions.
3275 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
3276 that the u8string typedef is defined.
3277 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
3278 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
3279 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
3280 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
3282 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
3283 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
3285 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
3286 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
3287 Validate std::atomic<char8_t>::is_always_lock_free
3288 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
3289 Update line numbers.
3290 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
3292 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
3294 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
3295 Validate std::experimental::pmr::u8string.
3296 * testsuite/experimental/string_view/typedefs.cc: Validate that the
3297 u8string_view typedef is defined.
3298 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
3299 char32_t to the typelists.
3301 2019-02-22 Tom Honermann <tom@honermann.net>
3303 * include/ext/typelist.h: Constrain a partial specialization of
3304 typelist::detail::append_ to only match chain<T1,T2>.
3306 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
3309 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
3310 class template with class. Replace move and copy member types with
3311 member alias templates, so they are only instantiated when needed.
3312 (__is_copy_insertable, __is_move_insertable): Adjust base class.
3313 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
3314 test for C++11/14/17 as well.
3315 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
3318 2019-02-20 Jakub Jelinek <jakub@redhat.com>
3321 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
3322 _GLIBCXX_PURE to the alias declaration.
3324 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
3326 * testsuite/21_strings/basic_string/literals/types.cc
3327 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
3328 * testsuite/21_strings/basic_string/literals/values.cc
3329 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3330 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
3331 potentially having different type.
3332 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
3333 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
3335 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
3336 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
3337 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
3338 string literals only using basic character set.
3339 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
3340 u8 literals to char.
3341 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
3342 Test ATOMIC_CHAR8_T_LOCK_FREE.
3343 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
3344 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
3345 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
3346 * testsuite/experimental/string_view/literals/types.cc
3347 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
3349 * testsuite/experimental/string_view/literals/values.cc
3350 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3352 2019-02-19 Tom Honermann <tom@honermann.net>
3354 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
3355 from char16_32_t.cc; validates numeric_limits<char8_t>.
3356 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
3357 test cloned from types.cc; validates operator""s for char8_t
3359 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
3360 test cloned from values.cc; validates construction and comparison
3362 * testsuite/21_strings/basic_string/requirements/
3363 /explicit_instantiation/char8_t/1.cc: New test cloned from
3364 char16_t/1.cc; validates explicit instantiation of
3365 basic_string<char8_t>.
3366 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
3367 New test cloned from types.cc; validates operator""sv for char8_t
3368 returns u8string_view.
3369 * testsuite/21_strings/basic_string_view/literals/
3370 values-char8_t.cc: New test cloned from values.cc; validates
3371 construction and comparison of u8string_view values.
3372 * testsuite/21_strings/basic_string_view/requirements/
3373 explicit_instantiation/char8_t/1.cc: New test cloned from
3374 char16_t/1.cc; validates explicit instantiation of
3375 basic_string_view<char8_t>.
3376 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
3377 New test cloned from char16_t/65049.cc; validates that
3378 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
3379 * testsuite/21_strings/char_traits/requirements/char8_t/
3380 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
3381 that char_traits<char8_t> member typedefs are present and correct.
3382 * testsuite/21_strings/char_traits/requirements/
3383 explicit_instantiation/char8_t/1.cc: New test cloned from
3384 char16_t/1.cc; validates explicit instantiation of
3385 char_traits<char8_t>.
3386 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
3387 from char16_t.cc: validates
3388 codecvt<char16_t, char8_t, mbstate_t>.
3389 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
3390 from char32_t.cc: validates
3391 codecvt<char32_t, char8_t, mbstate_t>.
3392 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
3393 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
3394 codecvt<char32_t, char8_t, std::mbstate_t>.
3395 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
3396 test cloned from string.cc; validates filesystem::path construction
3398 * testsuite/experimental/feat-char8_t.cc: New test; validates that
3399 the __cpp_lib_char8_t feature test macro is defined with the
3401 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3402 New test cloned from string.cc; validates filesystem::path
3403 construction from char8_t input.
3404 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
3405 test cloned from types.cc; validates operator""sv for char8_t
3406 returns u8string_view.
3407 * testsuite/experimental/string_view/literals/values-char8_t.cc:
3408 New test cloned from values.cc; validates construction and
3409 comparison of u8string_view values.
3410 * testsuite/experimental/string_view/requirements/
3411 explicit_instantiation/char8_t/1.cc: New test cloned from
3412 char16_t/1.cc; validates explicit instantiation of
3413 basic_string_view<char8_t>.
3414 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
3415 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
3418 2019-02-19 Tom Honermann <tom@honermann.net>
3420 P0482R5 char8_t: Standard library support
3421 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
3422 typeinfo symbols for char8_t.
3423 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
3424 (GLIBCXX_3.4.26): Add symbols for specializations of
3425 numeric_limits and codecvt that involve char8_t.
3426 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
3427 * include/bits/atomic_base.h: Add atomic_char8_t.
3428 * include/bits/basic_string.h: Add std::hash<u8string> and
3429 operator""s(const char8_t*, size_t).
3430 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
3432 * include/bits/char_traits.h: Add char_traits<char8_t>.
3433 * include/bits/codecvt.h: Add
3434 codecvt<char16_t, char8_t, mbstate_t>,
3435 codecvt<char32_t, char8_t, mbstate_t>,
3436 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3437 codecvt_byname<char32_t, char8_t, mbstate_t>.
3438 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
3439 recognize char8_t as an integral type.
3440 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
3442 (path::u8string): Return std::u8string when char8_t support is
3444 (path::generic_u8string): Likewise.
3445 (path::_S_convert): Handle conversion from char8_t input.
3446 (path::_S_str_convert): Likewise.
3447 * include/bits/functional_hash.h: Add hash<char8_t>.
3448 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
3450 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
3451 for new char8_t specializations.
3452 * include/bits/localefwd.h: Add missing declarations of
3453 codecvt<char16_t, char, mbstate_t> and
3454 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
3455 codecvt<char16_t, char8_t, mbstate_t> and
3456 codecvt<char32_t, char8_t, mbstate_t>.
3457 * include/bits/postypes.h: Add u8streampos
3458 * include/bits/stringfwd.h: Add declarations of
3459 char_traits<char8_t> and u8string.
3460 * include/c_global/cstddef: Add __byte_operand<char8_t>.
3461 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3463 (path::u8string): Return std::u8string when char8_t support is
3465 (path::generic_u8string): Likewise.
3466 (path::_S_convert): Handle conversion from char8_t input.
3467 (path::_S_str_convert): Likewise.
3468 * include/experimental/string: Add u8string.
3469 * include/experimental/string_view: Add u8string_view,
3470 hash<experimental::u8string_view>, and
3471 operator""sv(const char8_t*, size_t).
3472 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
3473 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
3474 as a character type.
3475 * include/std/limits: Add numeric_limits<char8_t>.
3476 * include/std/string_view: Add u8string_view,
3477 hash<experimental::u8string_view>, and
3478 operator""sv(const char8_t*, size_t).
3479 * include/std/type_traits: Add __is_integral_helper<char8_t>,
3480 __make_unsigned<char8_t>, and __make_signed<char8_t>.
3481 * libsupc++/atomic_lockfree_defines.h: Define
3482 ATOMIC_CHAR8_T_LOCK_FREE.
3483 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
3484 codecvt.cc and limits.cc so that char8_t specializations of
3485 numeric_limits and codecvt and emitted.
3486 * src/c++11/Makefile.in: Likewise.
3487 * src/c++11/codecvt.cc: Define members of
3488 codecvt<char16_t, char8_t, mbstate_t>,
3489 codecvt<char32_t, char8_t, mbstate_t>,
3490 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3491 codecvt_byname<char32_t, char8_t, mbstate_t>.
3492 * src/c++11/limits.cc: Define members of
3493 numeric_limits<char8_t>.
3494 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
3495 locale_init.cc and localename.cc.
3496 * src/c++98/Makefile.in: Likewise.
3497 * src/c++98/locale_init.cc: Add initialization for the
3498 codecvt<char16_t, char8_t, mbstate_t> and
3499 codecvt<char32_t, char8_t, mbstate_t> facets.
3500 * src/c++98/localename.cc: Likewise.
3501 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
3503 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
3505 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
3506 * 27_io/filesystem/operations/resize_file.cc: Likewise.
3507 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
3509 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
3511 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
3512 * doc/html/*: Regenerate.
3514 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
3515 * doc/html/*: Regenerate.
3517 * doc/xml/manual/intro.xml: Document LWG 2586 status.
3518 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
3519 allocator type in is_constructible checks.
3520 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
3521 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
3522 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
3523 problematic type from LWG 2586 discussion.
3524 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
3525 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
3527 * configure.ac: Check for C11 timespec_get function.
3528 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
3530 * config.h.in: Regenerate.
3531 * configure: Regenerate.
3532 * include/c_global/ctime (timespec, timespec_get): Add to namespace
3533 std for C++17 and up.
3535 * doc/xml/manual/intro.xml: Document LWG 2537 status.
3536 * include/bits/stl_queue.h
3537 (priority_queue(const Compare&, const Container&, const Alloc&))
3538 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
3540 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
3542 * doc/xml/manual/intro.xml: Document LWG 2566 status.
3543 * include/bits/stl_queue.h (queue, priority_queue): Add static
3544 assertions to enforce LWG 2566 requirement on value_type.
3545 * include/bits/stl_stack.h (stack): Likewise.
3548 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
3550 * doc/xml/manual/intro.xml: Document LWG 2735 status.
3551 * include/bits/std_abs.h: Add comment about LWG 2735.
3552 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
3554 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
3557 * include/std/version [__cpp_impl_destroying_delete]
3558 (__cpp_lib_destroying_delete): Only define for C++2a and later.
3559 * libsupc++/new [__cpp_impl_destroying_delete]
3560 (__cpp_lib_destroying_delete): Likewise.
3561 (destroying_delete_t, destroying_delete): Likewise, but define even
3562 when __cpp_impl_destroying_delete is not defined.
3563 * testsuite/18_support/destroying_delete.cc: New test.
3565 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
3568 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
3569 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
3570 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
3571 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
3573 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
3576 * include/bits/fs_path.h (path::has_root_name)
3577 (path::has_root_directory, path::has_root_path)
3578 (path::has_relative_path, path::has_parent_path)
3579 (path::has_filename, path::has_stem, path::has_extension)
3580 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
3582 * src/c++17/fs_path.cc (path::has_root_name)
3583 (path::has_root_directory, path::has_root_path)
3584 (path::has_relative_path, path::has_parent_path)
3585 (path::has_filename, path::_M_find_extension): Add noexcept.
3587 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
3589 PR libstdc++/89102 (partial)
3590 * include/std/type_traits (common_type<>): Define.
3591 (common_type<T>): Derive from common_type<T, T>.
3592 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3593 Test zero-length template argument list.
3594 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3595 Test additional single argument cases.
3596 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3597 Adjust expected error.
3599 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
3602 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
3604 * include/bits/stl_stack.h (stack): Likewise.
3605 * testsuite/23_containers/priority_queue/deduction.cc: New test.
3606 * testsuite/23_containers/queue/deduction.cc: New test.
3607 * testsuite/23_containers/stack/deduction.cc: New test.
3610 * include/std/type_traits (__is_convertible_helper)
3611 (__is_convertible_helper<_From, _To, false>): Revert changes to
3612 support is_nothrow_convertible.
3613 (__is_nt_convertible_helper): New helper.
3614 (is_nothrow_convertible): Use __is_nt_convertible_helper.
3616 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
3617 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
3620 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
3621 __is_alloc_insertable_impl. Replace single type member with two
3622 members, one for each of copy and move insertable.
3623 (__is_move_insertable): New trait for internal use.
3624 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
3625 (vector::_S_nothrow_relocate(true_type)): New functions to
3626 conditionally check if __relocate_a can throw.
3627 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
3628 on __is_move_insertable.
3629 (vector::_S_do_relocate): New overloaded functions to conditionally
3631 (vector::_S_relocate): New function that dispatches to _S_do_relocate
3632 based on _S_use_relocate.
3633 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3634 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
3635 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
3638 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
3639 parameter unnamed. Add message to static assertion.
3640 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3641 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
3644 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
3647 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
3649 (__is_bitwise_relocatable): ... to this.
3650 (__relocate_a_1): Adapt.
3651 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
3652 (__is_bitwise_relocatable): ... to this.
3654 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
3657 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
3658 final component as well as from _M_pathname. Append the dot using
3659 operator+= instead of only to _M_pathname.
3660 (path::_M_find_extension): Reformat slightly.
3661 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
3662 Add more test cases.
3664 2019-01-30 Ulrich Drepper <drepper@redhat.com>
3666 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
3668 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
3670 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
3671 constexpr specifiers from arg and proj.
3673 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
3674 __shared_ptr instantiations used by gcc4-compatible ABI.
3676 * include/experimental/forward_list (experimental::erase): Qualify
3678 * include/experimental/list (experimental::erase): Likewise.
3679 * include/std/forward_list (std::erase): Likewise.
3680 * include/std/list (std::erase): Likewise.
3682 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
3684 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
3685 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
3686 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
3687 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
3688 * testsuite/ext/array_allocator/26875.cc: Likewise.
3689 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
3690 * testsuite/util/replacement_memory_operators.h: Likewise.
3691 * testsuite/util/testsuite_allocator.h: Likewise.
3693 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
3694 normal mode vector, even for debug mode.
3695 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
3696 Define alias template for normal mode vector.
3698 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
3701 * config/locale/generic/c_locale.h (__convert_from_v)
3702 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3703 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3704 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
3705 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3707 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
3710 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
3711 data member with static member function _S_use_relocate().
3712 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3713 (vector::_M_default_append): Use _S_use_relocate() instead of
3716 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
3719 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
3722 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
3723 write to stderr instead of using printf.
3725 2019-01-21 Jakub Jelinek <jakub@redhat.com>
3728 * include/bits/char_traits.h (__constant_string_p,
3729 __constant_char_array_p): Use __builtin_is_constant_evaluated if
3732 2019-01-20 Ulrich Drepper <drepper@redhat.com>
3734 Implement C++20 P0600r1.
3735 * include/backward/hash_map: Add nodiscard attribute to empty.
3736 * include/backward/hash_set: Likewise.
3737 * backward/hashtable.h: Likewise.
3738 * include/bits/basic_string.h: Likewise.
3739 * include/bits/forward_list.h: Likewise.
3740 * include/bits/hashtable.h: Likewise.
3741 * include/bits/regex.h: Likewise.
3742 * include/bits/stl_deque.h: Likewise.
3743 * include/bits/stl_list.h: Likewise.
3744 * include/bits/stl_map.h: Likewise.
3745 * include/bits/stl_multimap.h: Likewise.
3746 * include/bits/stl_multiset.h: Likewise.
3747 * include/bits/stl_queue.h: Likewise.
3748 * include/bits/stl_set.h: Likewise.
3749 * include/bits/stl_stack.h: Likewise.
3750 * include/bits/stl_tree.h: Likewise.
3751 * include/bits/stl_vector.h: Likewise.
3752 * include/bits/unordered_map.h: Likewise.
3753 * include/bits/unordered_set.h: Likewise.
3754 * include/debug/array: Likewise.
3755 * include/experimental/any: Likewise.
3756 * include/experimental/bits/fs_path.h: Likewise.
3757 * include/experimental/internet: Likewise.
3758 * include/experimental/string_view: Likewise.
3759 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
3761 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
3763 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
3765 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
3767 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
3769 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
3771 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
3773 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
3775 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3776 info_fn_imps.hpp: Likewise.
3777 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3778 left_child_next_sibling_heap_.hpp: Likewise.
3779 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
3781 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
3783 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
3785 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
3787 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
3789 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
3791 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
3793 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
3794 * include/ext/pb_ds/trie_policy.hpp: Likewise.
3795 * include/ext/rope: Likewise.
3796 * include/ext/slist: Likewise.
3797 * include/ext/vstring.h: Likewise.
3798 * include/profile/array: Likewise.
3799 * include/std/array: Likewise.
3800 * include/tr1/array: Likewise.
3801 * include/tr1/hashtable.h: Likewise.
3802 * include/tr1/regex: Likewise.
3803 * include/tr2/dynamic_bitset: Likewise.
3804 * include/bits/alloc_traits.h: Add nodiscard attribute to
3806 * include/experimental/memory_resource: Likewise.
3807 * include/ext/alloc_traits.h: Likewise.
3808 * include/ext/array_allocator.h: Likewise.
3809 * include/ext/bitmap_allocator.h: Likewise.
3810 * include/ext/debug_allocator.h: Likewise.
3811 * include/ext/extptr_allocator.h: Likewise.
3812 * include/ext/mt_allocator.h: Likewise.
3813 * include/ext/new_allocator.h: Likewise.
3814 * include/ext/pool_allocator.h: Likewise.
3815 * include/ext/throw_allocator.h: Likewise.
3816 * include/std/scoped_allocator: Likewise.
3817 * libsupc++/eh_alloc.cc: Likewise.
3818 * include/std/future: Add nodiscard attribute to async.
3819 * libsupc++/new: Add nodiscard attribute to new.
3821 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
3826 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
3827 * include/bits/shared_ptr.h
3828 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
3829 (allocate_shared): Change to use new tag type.
3830 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
3831 Declare new member function.
3832 (_Sp_alloc_shared_tag): Define new type.
3833 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
3834 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
3835 _Sp_make_shared_tag::_S_eq to check type_info.
3836 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
3837 Constrain to prevent being called with _Sp_alloc_shared_tag.
3838 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
3839 Replace constructor with ...
3840 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
3841 reference parameter so address of the new object can be returned to
3842 the caller. Obtain the allocator from the tag type.
3843 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
3844 constructor with ...
3845 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
3846 to the __shared_count constructor.
3847 (__allocate_shared): Change to use new tag type.
3848 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
3850 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
3852 * src/c++17/fs_ops.cc
3853 (equivalent(const path&, const path&, error_code&))
3854 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
3855 compare files instead of relying on incomplete info returned by stat.
3858 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
3859 if the path is already absolute.
3860 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
3861 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
3864 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
3865 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
3866 of filesystem::exists.
3867 (create_directories(const path&, error_code&)): Add assertions.
3868 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
3869 Add workaround for bug in _wstat for paths with trailing slash.
3870 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
3871 for expected behaviour on mingw.
3872 * testsuite/experimental/filesystem/operations/create_directories.cc:
3874 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
3875 "TMP" instead of "TMPDIR" and clean environment before each test. Do
3876 not test permissions on mingw targets.
3878 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
3880 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
3881 constructors and open members taking wide strings. Fix patterns for
3882 filesystem::path members to match wstring_view parameters. Add
3883 exports for shared_ptr members used by directory iterators.
3884 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
3885 error code parameter if the file doesn't exist.
3886 * src/filesystem/ops.cc (remove(const path&, error_code&)):
3888 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
3889 values for mingw targets, where "/" is not an absolute path. Do not
3890 test symlinks on mingw targets.
3891 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3892 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
3894 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3895 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
3896 that each component of the path is created.
3897 * testsuite/experimental/filesystem/operations/create_directories.cc:
3899 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
3900 permissions on mingw targets.
3901 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3902 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
3903 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3904 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
3906 * testsuite/experimental/filesystem/operations/permissions.cc:
3908 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
3909 symlinks or permissions on mingw targets.
3910 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3911 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
3912 symlinks on mingw targets.
3913 * testsuite/experimental/filesystem/operations/remove_all.cc:
3915 * testsuite/27_io/filesystem/operations/status.cc: Do not test
3916 permissions on mingw targets.
3917 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
3918 test symlinks on mingw targets.
3919 * testsuite/experimental/filesystem/operations/space.cc: Fix test
3922 2019-02-14 Ulrich Drepper <drepper@redhat.com>
3925 Warn about unused comparisons of shared_ptr/unique_ptr
3926 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
3927 * include/bits/shared_ptr.h: Use it for operator ==, !=,
3928 <, <=, >, >= for shared_ptr.
3929 * include/bits/unique_ptr.h: Likewise for unique_ptr.
3931 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
3933 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
3934 as 201611L, because P0497R0 changes are supported.
3935 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
3937 * include/bits/erase_if.h [__cplusplus > 201703L]
3938 (__cpp_lib_erase_if): Only define for C++2a.
3939 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
3940 (__cpp_lib_null_iterators): Define.
3941 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
3942 (__cpp_lib_null_iterators): Define.
3943 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
3945 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
3947 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
3949 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
3950 changes are supported.
3951 * include/std/optional (__cpp_lib_optional): Likewise.
3952 * include/std/variant (__cpp_lib_variant): Likewise.
3953 * include/std/version [!__STRICT_ANSI__]
3954 (__cpp_lib_uncaught_exceptions): Define as long integer.
3955 [__cplusplus >= 201703L] (__cpp_lib_any)
3956 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
3957 (__cpp_lib_variant): Define for C++17.
3958 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
3960 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
3963 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
3965 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
3969 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
3971 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
3974 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
3976 * doc/xml/manual/intro.xml: Include new section.
3977 * doc/xml/manual/status_cxx2017.xml: Document more
3978 implementation-defined properties of the library.
3979 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
3980 * doc/html/*: Regenerate.
3982 * include/bits/refwrap.h [__cplusplus > 201703L]
3983 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
3984 (_Reference_wrapper_base_memfun): Do not define for C++2a.
3985 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
3987 (reference_wrapper::operator()): Add static assertion.
3988 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
3990 * include/std/chrono (duration_values::zero(), duration_values::min())
3991 (duration_values::max()): Add noexcept.
3992 (duration::zero(), duration::min(), duration::max()): Likewise.
3993 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
3994 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
3995 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
3997 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
3999 2019-01-11 Jakub Jelinek <jakub@redhat.com>
4001 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
4002 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
4004 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
4007 * include/bits/functional_hash.h (hash<nullptr_t>): Define
4008 specialization for C++17 (P0513R0, LWG 2817).
4009 * testsuite/20_util/hash/nullptr.cc: New test.
4012 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
4013 pattern for std::basic_stringbuf::str().
4015 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
4016 basic_ostream::operator<< patterns.
4018 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
4020 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
4021 test failures on targets with 32-bit time_t.
4023 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
4024 * include/std/deque: Likewise.
4025 * include/std/forward_list: Likewise.
4026 * include/std/list: Likewise.
4027 * include/std/string: Likewise.
4028 * include/std/vector: Likewise.
4029 * include/std/version: Likewise.
4030 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
4031 * testsuite/23_containers/deque/erasure.cc: Likewise.
4032 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
4033 * testsuite/23_containers/list/erasure.cc: Likewise.
4034 * testsuite/23_containers/map/erasure.cc: Likewise.
4035 * testsuite/23_containers/set/erasure.cc: Likewise.
4036 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
4037 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
4038 * testsuite/23_containers/vector/erasure.cc: Likewise.
4040 * include/experimental/internet [AI_NUMERICSERV]
4041 (resolver_base::numeric_service): Define conditionally.
4042 * testsuite/experimental/net/internet/resolver/base.cc: Test it
4044 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
4047 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
4048 Jonathan Wakely <jwakely@redhat.com>
4051 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
4052 (GLIBCXX_3.4.26): Add new exports.
4053 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
4054 correct list of sources.
4055 * include/Makefile.in: Regenerate.
4056 * include/std/ostream (operator<<(nullptr_t)): New member function.
4057 * src/c++17/ostream-inst.cc: New file.
4058 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
4061 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
4063 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
4064 of the source file containing the caller.
4065 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
4066 directories created by test.
4067 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4069 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4071 * testsuite/experimental/filesystem/iterators/
4072 recursive_directory_iterator.cc: Likewise.
4074 2019-01-10 Jakub Jelinek <jakub@redhat.com>
4076 PR tree-optimization/88775
4077 * include/bits/stl_function.h (greater<_Tp*>::operator(),
4078 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
4079 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
4080 instead of __builtin_constant_p if available. Don't bother with
4081 the pointer comparison in C++11 and earlier.
4083 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
4087 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
4090 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
4092 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
4093 for filesystem::path. Give variables more distinctive names.
4095 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
4096 member function to perform non-trivial assignment.
4097 (_Optional_payload_base::_M_move_assign): Likewise.
4098 (_Optional_payload<T, true, false, true>::operator=)
4099 (_Optional_payload<T, true, true, false>::operator=)
4100 (_Optional_payload<T, true, false, false>::operator=): Call
4101 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
4104 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
4105 test std::complex<long double> if long double format is IBM128.
4106 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
4109 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
4111 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
4112 for old std::unique_ptr layout.
4113 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
4114 to become valueless. Add filesystem::path tests.
4117 * include/std/optional (_Optional_payload_base): New class template
4118 for common code hoisted from _Optional_payload specializations. Use
4119 a template for the union, to allow a partial specialization for
4120 types with non-trivial destructors. Add constructors for in-place
4121 initialization to the union.
4122 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
4123 to perform non-trivial copy construction, instead of relying on
4124 non-standard copy elision in a delegating constructor.
4125 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
4126 non-trivial move construction.
4127 (_Optional_payload): Derive from _Optional_payload_base and use it
4128 for everything except the non-trivial assignment operators, which are
4130 (_Optional_payload<false, C, M>): Derive from the specialization
4131 _Optional_payload<true, false, false> and add a destructor.
4132 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
4133 Forward to corresponding members of _Optional_payload.
4134 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
4135 Hoist common members from _Optional_base.
4136 (_Optional_base): Make all members and base class public.
4137 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
4138 _Optional_base_impl.
4139 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
4140 support for new std::optional layout.
4141 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
4144 * include/bits/locale_conv.h: Use <> for includes not "".
4145 * include/ext/random: Likewise.
4146 * include/ext/vstring.h: Likewise.
4148 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4150 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
4151 (GLIBCXX_3.4.21): Likewise.
4153 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
4156 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
4157 to match the one that controls whether utimbuf and utime are declared.
4159 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
4162 * include/bits/char_traits.h (char_traits::move): Do not pass null
4163 pointers to memmove.
4164 * include/bits/locale_facets.h
4165 (ctype<char>::widen(const char*, const char*, char*)): Do not
4166 pass null pointers to memcpy.
4167 (ctype<char>::narrow(const char*, const char*, char, char*)):
4169 (ctype<char>::do_widen(const char*, const char*, char*)):
4171 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
4174 * doc/xml/manual/spine.xml: Update copyright years.
4175 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
4176 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
4177 for C++17 filesystem library.
4178 * doc/html/*: Regenerate.
4180 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
4181 * config.h.in: Regenerate.
4182 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
4183 alphabetically and add missing entries for copy_symlink,
4184 hard_link_count, rename, and resize_file.
4185 * configure: Regenerate.
4186 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
4187 used unconditionally.
4188 * src/filesystem/ops-common.h (__gnu_posix::truncate)
4189 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
4190 supports truncating to zero length.
4191 * testsuite/27_io/filesystem/operations/all.cc: New test.
4192 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
4194 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
4197 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
4198 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
4199 * config.h.in: Regenerate.
4200 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
4201 remaining std::filesystem types and functions.
4202 * configure: Regenerate.
4203 * src/c++17/Makefile.am: Add C++17 filesystem sources.
4204 * src/c++17/Makefile.in: Regenerate.
4205 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
4206 here, and change name of included file.
4207 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
4208 here, and change name of included file.
4209 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
4210 path to dir-common.h.
4211 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
4212 path to ops-common.h. Disable -Wunused-parameter warnings.
4213 (internal_file_clock): Define unconditionally.
4214 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
4216 (do_copy_file, do_space): Move definitions to ops.common.h.
4217 (copy, file_size, hard_link_count, last_write_time, space): Only
4218 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
4220 (last_write_time, read_symlink): Remove unused attributes from
4222 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
4223 * src/filesystem/Makefile.in: Regenerate.
4224 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
4225 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
4226 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
4227 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
4228 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
4229 dummy types and functions instead of using #error.
4230 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
4231 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
4233 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
4234 (do_copy_file, do_space): Move definitions here from std-ops.cc.
4235 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
4236 to account for new namespace.
4237 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
4238 -lstdc++fs from dg-options.
4239 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
4240 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
4241 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
4242 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
4243 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
4245 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
4246 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4248 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
4249 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
4250 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
4251 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
4252 * testsuite/27_io/filesystem/operations/create_directories.cc:
4254 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
4255 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
4256 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
4257 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
4258 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
4259 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
4260 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
4261 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
4262 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
4263 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
4264 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
4265 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
4266 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
4267 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
4268 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
4269 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
4270 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
4271 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
4273 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
4277 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
4278 typeinfo and vtables less greedy.
4279 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
4280 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
4281 * src/c++17/Makefile.in: Regenerate.
4282 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
4283 here, and change name of included file.
4284 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
4285 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
4287 * src/filesystem/Makefile.in: Regenerate.
4288 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
4289 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
4290 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
4291 from dg-options and remove dg-require-filesystem-ts.
4292 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
4293 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
4294 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
4295 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
4296 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
4297 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
4298 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
4299 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
4300 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
4301 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
4302 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
4303 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
4304 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
4305 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
4306 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
4307 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
4308 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
4309 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
4310 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
4311 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
4312 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
4314 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
4315 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
4316 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
4317 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
4318 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
4319 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
4320 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
4321 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
4322 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
4323 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
4324 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
4325 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
4327 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
4329 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4331 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
4333 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
4334 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4335 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
4336 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
4337 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
4338 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
4339 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
4340 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
4341 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
4342 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
4344 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
4345 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
4346 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
4347 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
4348 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
4351 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
4352 Check is_trivially_copyable instead of is_scalar.
4353 (variant::emplace<N, Args>(Args&&...)): If construction of the new
4354 contained value can throw and its type is trivially copyable then
4355 construct into a temporary variant and move from it, to provide the
4356 strong exception safety guarantee.
4357 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
4359 * testsuite/20_util/variant/87431.cc: New test.
4360 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
4361 conversion causes valueless state.
4364 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
4365 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
4366 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
4367 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
4368 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
4370 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
4372 * include/bits/fs_fwd.h (__file_clock): Define new clock.
4373 (file_time_type): Redefine in terms of __file_clock.
4374 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
4376 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
4378 (internal_file_lock): New helper type for accessing __file_clock.
4379 (do_copy_file): Use internal_file_lock to convert system time to
4381 (last_write_time(const path&, error_code&)): Likewise.
4382 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
4384 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
4386 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
4387 for const member functions of std::basic_string.
4388 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
4390 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
4391 Make non-standard constructor private.
4392 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
4394 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
4395 explicit instantiations for C++17 as well as earlier dialects.
4396 * src/c++17/Makefile.am: Add new source files.
4397 * src/c++17/Makefile.in: Regenerate.
4398 * src/c++17/cow-string-inst.cc: New file defining explicit
4399 instantiations for basic_string member functions added in C++17.
4400 * src/c++17/string-inst.cc: Likewise.
4402 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
4403 copy/move constructors for old std::basic_string.
4404 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
4405 (basic_string::reference, basic_string::const_reference): Define
4406 as plain references for C++11 and later.
4407 (basic_string::basic_string()): Put constructor body outside
4408 preprocessor conditional groups.
4409 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
4410 instead of copying it.
4411 (basic_string::basic_string(const basic_string&, const _Alloc&)):
4413 (basic_string::basic_string(basic_string&&, const _Alloc&)):
4415 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
4416 cases for old basic_string.
4417 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
4418 allocator-extended constructors unconditionally. Add extra members to
4419 allocator type when using old string ABI.
4420 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
4422 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
4424 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
4425 -fno-inline added to test flags.
4427 * testsuite/21_strings/basic_string/requirements/
4428 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
4430 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
4431 assertion failures with old std::string ABI.
4433 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
4435 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
4436 functions that will only erase elements at the end.
4437 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
4438 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
4439 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
4441 (path::_List::pop_back()): Define.
4442 (path::_List::_M_erase_from(const_iterator)): Define.
4443 (path::operator/=(const path&)): Use pop_back to remove last component
4444 and _M_erase_from to remove multiple components.
4445 (path::_M_append(basic_string_view<value_type>)): Likewise.
4446 (path::operator+=(const path&)): Likewise.
4447 (path::_M_concat(basic_string_view<value_type>)): Likewise.
4448 (path::remove_filename()): Likewise.
4449 (path::lexically_normal()): Use _List::_Impl iterators instead of
4450 path::iterator. Use pop_back to remove components from the end. Clear
4451 trailing filename, instead of using erase(const_iterator) to remove
4452 a non-final component.
4453 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
4455 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
4457 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
4458 incorrect treatment of empty filename after trailing slash.
4459 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
4461 * testsuite/21_strings/basic_string/modifiers/assign/char/
4462 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
4464 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
4465 move_assign_optim.cc: Likewise.
4467 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4468 Jakub Jelinek <jakub@redhat.com>
4471 * include/experimental/memory: Replace UTF-8 quote characters.
4472 * include/std/future: Replace UTF-8 "em dash" characters.
4474 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4477 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
4478 * include/debug/forward_list: Likewise.
4479 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
4481 * include/experimental/chrono: Likewise.
4482 * include/experimental/functional: Likewise.
4483 * include/experimental/ratio: Likewise.
4484 * include/experimental/system_error: Likewise.
4485 * include/experimental/tuple: Likewise.
4486 * include/experimental/type_traits: Likewise.
4487 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
4488 * include/parallel/multiseq_selection.h: Likewise.
4491 * config/abi/pre/gnu.ver: Add missing exports.
4492 * testsuite/22_locale/collate_byname/88681.cc: New test.
4493 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
4494 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
4496 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
4498 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
4499 initializer_list<value_type> and from input iterator ranges.
4500 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
4502 * testsuite/experimental/string_view/element_access/char/empty.cc:
4503 Fix year range in copyright header.
4505 2019-01-02 Joel Brobecker <brobecker@adacore.com>
4507 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
4508 Fix year range in copyright header.
4510 2019-01-01 Jakub Jelinek <jakub@redhat.com>
4512 Update copyright years.
4514 Copyright (C) 2019 Free Software Foundation, Inc.
4516 Copying and distribution of this file, with or without modification,
4517 are permitted in any medium without royalty provided the copyright
4518 notice and this notice are preserved.