1 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
3 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
4 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
5 instead of __is_identifier to detect Clang support.
7 2019-07-02 Jim Wilson <jimw@sifive.com>
9 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
11 * configure: Regenerate.
13 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
16 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
17 for the what_arg parameters.
18 (filesystem_error::filesystem_error): Pass system_error::what() to
19 the _Impl constructor.
20 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
21 filesystem_error::what() contains system_error::what().
23 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
25 * include/std/charconv (chars_format): Define bitmask type.
26 * testsuite/20_util/to_chars/chars_format.cc: New test.
28 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
29 * include/std/bit (_If_is_unsigned_integer_type): Remove.
30 (_If_is_unsigned_integer): Use __is_unsigned_integer.
31 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
32 (countl_one(byte), countr_zero(byte), countr_one(byte))
33 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
34 (log2p1(byte)): Remove.
35 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
36 (__detail::__is_int_to_chars_type): Remove.
37 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
38 and __is_unsigned_integer.
39 * include/std/type_traits (__is_one_of): Move here from <charconv>.
40 (__is_signed_integer, __is_unsigned_integer): New helpers.
41 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
43 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
44 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
45 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
46 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
47 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
48 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
49 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
50 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
51 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
52 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
54 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
56 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
59 2019-06-25 Jakub Jelinek <jakub@redhat.com>
61 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
62 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
63 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
64 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
66 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
68 * include/std/numeric (midpoint(T, T)): Change implementation for
69 floating-point types to avoid incorrect rounding of denormals.
70 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
71 rounding with denormals.
72 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
73 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
75 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
77 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
79 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
81 * configure: Regenerate.
83 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
84 Qualify calls to __never_valueless.
86 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
89 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
90 vector<bool> for test.
91 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
93 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
95 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
97 (istream_iterator::_M_read()): Do not check stream state before
98 attempting extraction. Set stream pointer to null when extraction
100 (operator==(const istream_iterator&, const istream_iterator&)): Change
101 to be a hidden friend of istream_iterator.
102 (operator!=(const istream_iterator&, const istream_iterator&)):
104 (ostream_iterator::ostream_iterator()): Add default constructor.
105 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
107 * testsuite/24_iterators/istream_iterator/1.cc: New test.
108 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
109 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
110 constructor taking a string.
111 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
114 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
115 Jonathan Wakely <jwakely@redhat.com>
118 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
119 values of type bool for vector<bool> elements.
120 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
121 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
123 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
125 PR libstdc++/90920 partially revert r263433
126 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
127 (rotate): Remove checks.
128 * testsuite/25_algorithms/rotate/90920.cc: New test.
130 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
131 category used in invocable check.
132 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
133 * testsuite/26_numerics/reduce/2.cc: New test.
135 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
137 * include/bits/algorithmfwd.h: Change title of doc group.
138 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
140 * include/bits/stl_numeric.h: Define doc group and add algos to it.
141 * include/std/numeric (__is_random_access_iter): New internal trait.
142 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
143 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
144 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
145 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
146 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
147 * testsuite/26_numerics/reduce/1.cc: New test.
148 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
149 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
150 * testsuite/26_numerics/transform_reduce/1.cc: New test.
151 * testsuite/util/testsuite_iterators.h (test_container::size()): New
154 * include/c_global/cstddef (std::byte): Perform arithmetic operations
155 in unsigned int to avoid promotion (LWG 2950).
157 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
159 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
162 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
164 PR libstdc++/90281 Fix string conversions for filesystem::path
165 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
166 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
167 __str_codecvt_in_all to fail for partial conversions and throw on
169 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
170 (path::_Cvt<char8_t>): Add explicit specialization.
171 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
173 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
174 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
175 instead of codecvt_utf8. Use __str_codecvt_in_all and
176 __str_codecvt_out_all.
177 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
178 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
179 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
180 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
181 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
182 after converting to UTF-8.
183 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
184 __str_codecvt_in_all.
185 (path::string): Fix initialization of string types with different
187 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
188 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
189 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
191 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
192 return false for partial conversions.
193 * include/experimental/bits/fs_path.h (u8path):
194 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
195 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
196 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
197 instead of codecvt_utf8. Use __str_codecvt_in_all and
198 __str_codecvt_out_all.
199 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
200 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
201 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
202 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
203 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
204 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
205 __str_codecvt_in_all.
206 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
207 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
208 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
209 __str_codecvt_in_all.
210 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
211 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
212 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
213 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
214 strings and with Unicode characters outside the basic multilingual
216 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
217 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
218 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
219 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
220 * testsuite/experimental/filesystem/path/native/string.cc: Test with
221 empty strings and with Unicode characters outside the basic
224 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
225 Jonathan Wakely <jwakely@redhat.com>
227 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
228 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
229 deallocate node if insertion fails.
230 (_Hashtable::_M_insert_multi_node): Likewise.
231 (_Hashtable::_M_reinsert_node): Pass additional key argument.
232 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
233 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
234 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
235 (_Hashtable::extract(const _Key&)): Likewise.
236 (_Hashtable::_M_merge_unique): Pass additional key argument.
237 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
239 (_Hashtable::_M_insert): Likewise.
240 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
241 (_Hashtable_alloc): Add comments to functions with misleading names.
243 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
245 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
247 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
248 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
249 header for std::allocator.
250 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
251 using-declaration for std::size_t.
252 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
254 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
256 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
257 * testsuite/experimental/map/erasure.cc: Include <string> for
259 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
261 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
263 * include/experimental/type_traits (experimental::nonesuch): Use
264 pragma to disable -Wctor-dtor-privacy warnings.
265 * include/std/type_traits (__is_convertible_helper<From, To, false>)
266 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
268 * include/std/version (__cpp_lib_bind_front): Add missing macro.
270 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
272 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
273 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
274 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
275 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
277 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
278 (variant::emplace): Change static_assert messages from "should be"
280 (hash<monostate>::operator()): Remove name of unused parameter.
282 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
285 * include/Makefile.am: Add new <bits/charconv.h> header.
286 * include/Makefile.in: Regenerate.
287 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
288 (to_string(long), to_string(unsigned long), to_string(long long))
289 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
290 * include/bits/charconv.h: New header.
291 (__detail::__to_chars_len): Move here from <charconv>.
292 (__detail::__to_chars_10_impl): New function extracted from
293 __detail::__to_chars_10.
294 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
295 (__to_chars_unsigned_type): New class template that reuses
296 __make_unsigned_selector_base::__select to pick a type.
297 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
298 (__detail::__to_chars_len): Move to new header.
299 (__detail::__to_chars_10): Add inline specifier. Move code doing the
300 output to __detail::__to_chars_10_impl and call that.
301 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
302 * testsuite/21_strings/basic_string/numeric_conversions/char/
303 to_string.cc: Fix reference in comment. Remove unused variable.
304 * testsuite/21_strings/basic_string/numeric_conversions/char/
305 to_string_int.cc: New test.
307 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
309 Fix ConstexprIterator requirements tests - No constexpr algorithms!
310 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
311 Replace copy with hand-rolled loop.
312 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
315 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
317 Test for C++20 p0858 - ConstexprIterator requirements.
318 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
320 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
323 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
325 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
327 * include/bits/c++config: Rename all macros of the form __PSTL* to
329 * include/std/algorithm: Likewise.
330 * include/std/execution: Likewise.
331 * include/std/numeric: Likewise.
332 * include/std/memory: Likewise.
333 * include/pstl/glue_memory_impl.h: Likewise.
334 * include/pstl/numeric_impl.h: Likewise.
335 * include/pstl/glue_memory_defs.h: Likewise.
336 * include/pstl/execution_defs.h: Likewise.
337 * include/pstl/utils.h: Likewise.
338 * include/pstl/algorithm_fwd.h: Likewise.
339 * include/pstl/unseq_backend_simd.h: Likewise.
340 * include/pstl/glue_execution_defs.h: Likewise.
341 * include/pstl/algorithm_impl.h: Likewise.
342 * include/pstl/parallel_impl.h: Likewise.
343 * include/pstl/memory_impl.h: Likewise.
344 * include/pstl/glue_numeric_defs.h: Likewise.
345 * include/pstl/parallel_backend_utils.h: Likewise.
346 * include/pstl/glue_algorithm_defs.h: Likewise.
347 * include/pstl/parallel_backend.h: Likewise.
348 * include/pstl/glue_numeric_impl.h: Likewise.
349 * include/pstl/parallel_backend_tbb.h: Likewise.
350 * include/pstl/numeric_fwd.h: Likewise.
351 * include/pstl/glue_algorithm_impl.h: Likewise.
352 * include/pstl/execution_impl.h: Likewise.
353 * include/pstl/pstl_config.h: Likewise.
354 * testsuite/util/pstl/pstl_test_config.h: Likewise.
355 * testsuite/util/pstl/test_utils.h: Likewise.
356 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
358 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
360 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
362 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
363 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
364 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
365 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
366 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
368 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
369 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
370 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
371 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
372 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
374 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
375 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
376 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
377 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
378 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
380 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
381 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
382 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
384 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
386 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
387 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
388 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
390 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
392 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
394 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
396 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
398 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
400 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
402 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
404 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
406 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
408 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
410 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
412 Rename header guards to be consistent with upstream project's
414 * include/pstl/glue_memory_impl.h: Rename all macros of the form
415 _PSTL_(.*)_H to _PSTL_\U\1_H.
416 * include/pstl/numeric_impl.h: Likewise.
417 * include/pstl/glue_memory_defs.h: Likewise.
418 * include/pstl/execution_defs.h: Likewise.
419 * include/pstl/utils.h: Likewise.
420 * include/pstl/algorithm_fwd.h: Likewise.
421 * include/pstl/unseq_backend_simd.h: Likewise.
422 * include/pstl/glue_execution_defs.h: Likewise.
423 * include/pstl/algorithm_impl.h: Likewise.
424 * include/pstl/parallel_impl.h: Likewise.
425 * include/pstl/memory_impl.h: Likewise.
426 * include/pstl/glue_numeric_defs.h: Likewise.
427 * include/pstl/parallel_backend_utils.h: Likewise.
428 * include/pstl/glue_algorithm_defs.h: Likewise.
429 * include/pstl/parallel_backend.h: Likewise.
430 * include/pstl/glue_numeric_impl.h: Likewise.
431 * include/pstl/parallel_backend_tbb.h: Likewise.
432 * include/pstl/numeric_fwd.h: Likewise.
433 * include/pstl/glue_algorithm_impl.h: Likewise.
434 * include/pstl/execution_impl.h: Likewise.
435 * include/pstl/pstl_config.h: Likewise.
436 * testsuite/util/pstl/pstl_test_config.h: Likewise.
438 Synchronize libstdc++ parallel algorithms with upstream
440 * include/pstl/algorithm_fwd.h: Synchronize with
441 upstream PSTL project.
442 * include/pstl/algorithm_impl.h: Likewise.
443 * include/pstl/execution_defs.h: Likewise.
444 * include/pstl/execution_impl.h: Likewise.
445 * include/pstl/glue_algorithm_impl.h: Likewise.
446 * include/pstl/glue_execution_defs.h: Likewise.
447 * include/pstl/numeric_fwd.h: Likewise.
448 * include/pstl/numeric_impl.h: Likewise.
449 * include/pstl/parallel_backend.h: Likewise.
450 * include/pstl/pstl_config.h: Likewise.
451 * include/pstl/unseq_backend_simd.h: Likewise.
452 * include/pstl/parallel_backend_serial.h: New file.
453 * include/Makefile.am (pstl_headers): Add
454 parallel_backend_serial.h.
455 * include/Makefile.in: Regenerate.
457 Clean up non-conforming names
458 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
459 Uglfiy copy_range1 and copy_range2
460 (__pattern_walk2_n): Rename local n to __n
461 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
462 Rename parameter _T to _Tp.
464 Integrate non-TBB serial backend support
465 * include/bits/c++config: Adjust TBB detection logic to select serial
466 PSTL backend if no TBB present.
467 * testsuite/utils/pstl/test_utils.h: Remove check for
468 _PSTL_USE_PAR_POLICIES
470 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
472 * testsuite/24_iterators/container_access.cc: Move dg-options before
473 dg-do directive so the target check uses the -std option.
476 * configure: Regenerate.
477 * src/Makefile.am (stamp-debug): Also test for missing makefile.
478 * src/Makefile.in: Regenerate.
480 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
482 * include/std/array: Do not include <stdexcept>.
483 * include/std/optional: Include <exception> and
484 <bits/exception_defines.h> instead of <stdexcept>.
485 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
487 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
489 * testsuite/23_containers/map/erasure.cc: Include <string>.
490 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
492 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
493 dg-prune-output for different C++98 diagnostic.
494 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
496 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
498 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
500 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
502 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
504 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
506 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
508 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
510 * testsuite/23_containers/vector/requirements/dr438/
511 constructor_1_neg.cc: Likewise.
512 * testsuite/23_containers/vector/requirements/dr438/
513 constructor_2_neg.cc: Likewise.
514 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
516 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
518 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
519 Do not test allocator rebinding extension for C++2a.
520 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
521 dg-do directive for C++17 and C++2a.
523 * testsuite/23_containers/deque/requirements/explicit_instantiation/
524 1_c++0x.cc: Remove redundant test.
525 * testsuite/23_containers/deque/requirements/explicit_instantiation/
526 2.cc: Use target selector instead of preprocessor condition.
527 * testsuite/23_containers/deque/requirements/explicit_instantiation/
528 3.cc: Do not run test for C++2a.
529 * testsuite/23_containers/forward_list/requirements/
530 explicit_instantiation/3.cc: Likewise.
531 * testsuite/23_containers/forward_list/requirements/
532 explicit_instantiation/5.cc: Do not test allocator rebinding extension
534 * testsuite/23_containers/list/requirements/explicit_instantiation/
535 1_c++0x.cc: Remove redundant test.
536 * testsuite/23_containers/list/requirements/explicit_instantiation/
537 2.cc: Use target selector instead of preprocessor condition.
538 * testsuite/23_containers/list/requirements/explicit_instantiation/
539 3.cc: Do not run test for C++2a.
540 * testsuite/23_containers/list/requirements/explicit_instantiation/
541 5.cc: Do not test allocator rebinding extension for C++2a.
542 * testsuite/23_containers/map/requirements/explicit_instantiation/
543 1_c++0x.cc: Remove redundant test.
544 * testsuite/23_containers/map/requirements/explicit_instantiation/
545 2.cc: Adjust comment.
546 * testsuite/23_containers/map/requirements/explicit_instantiation/
547 3.cc: Do not run test for C++2a.
548 * testsuite/23_containers/map/requirements/explicit_instantiation/
549 5.cc: Do not test allocator rebinding extension for C++2a.
550 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
551 1_c++0x.cc: Remove redundant test.
552 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
553 3.cc: Do not run test for C++2a.
554 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
555 5.cc: Do not test allocator rebinding extension for C++2a.
556 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
557 3.cc: Do not run test for C++2a.
558 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
559 5.cc: Do not test allocator rebinding extension for C++2a.
560 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
561 Do not run test for C++2a.
562 * testsuite/23_containers/set/requirements/explicit_instantiation/
563 1_c++0x.cc: Remove redundant test.
564 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
565 Do not test allocator rebinding extension for C++2a.
566 * testsuite/23_containers/unordered_map/requirements/
567 explicit_instantiation/3.cc: Likewise.
568 * testsuite/23_containers/unordered_map/requirements/
569 explicit_instantiation/5.cc: Do not test allocator rebinding extension
571 * testsuite/23_containers/unordered_multimap/requirements/
572 explicit_instantiation/3.cc: Do not run test for C++2a.
573 * testsuite/23_containers/unordered_multimap/requirements/
574 explicit_instantiation/5.cc: Do not test allocator rebinding extension
576 * testsuite/23_containers/unordered_multiset/requirements/
577 explicit_instantiation/3.cc: Do not run test for C++2a.
578 * testsuite/23_containers/unordered_multiset/requirements/
579 explicit_instantiation/5.cc: Do not test allocator rebinding extension
581 * testsuite/23_containers/unordered_set/requirements/
582 explicit_instantiation/3.cc: Do not run test for C++2a.
583 * testsuite/23_containers/unordered_set/requirements/
584 explicit_instantiation/5.cc: Do not test allocator rebinding extension
586 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
587 2.cc: Remove redundant test.
588 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
589 3.cc: Do not run test for C++2a.
590 * testsuite/23_containers/vector/requirements/explicit_instantiation/
593 * include/std/type_traits (is_empty, is_polymorphic, is_final)
594 (is_abstract, is_aggregate): Remove static_assert.
595 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
597 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
598 missing -std=gnu++17 option.
599 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
600 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
601 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
604 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
605 * testsuite/18_support/set_unexpected.cc: Likewise.
606 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
608 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
609 function to be valid in C++11.
610 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
611 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
612 include Library Fundamentals or Networking headers in C++11 mode.
613 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
615 * include/std/tuple (_TC): Replace with _TupleConstraints.
616 (_TupleConstraints): New helper for SFINAE constraints, with more
617 expressive member functions to reduce duplication when used.
618 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
619 (tuple::_TCC): Replace dummy type parameter with bool non-type
620 parameter that can be used to check the pack size.
621 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
622 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
623 checking constraints in constructors.
624 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
626 (tuple::tuple): Use new helpers to reduce repitition in constraints.
627 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
628 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
629 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
630 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
631 constraints in constructors.
632 (tuple::__is_alloc_arg()): New SFINAE helpers.
633 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
635 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
636 * testsuite/20_util/tuple/cons/90700.cc: New test.
637 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
638 to meet new constraint on allocator-extended default constructor.
640 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
642 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
643 * include/bits/stl_multimap.h (multimap): Likewise.
645 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
647 Rename variables and cleanup comments.
648 * include/bits/hashtable_policy.h
649 * include/bits/hashtable.h
651 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
653 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
654 Fix bgcolor for P0340R3.
655 * doc/html/*: Regenerate.
658 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
659 <experimental/memory_resource>.
660 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
661 P0339R6, P0340R3, P1164R1 and P1357R1.
662 * doc/html/*: Regenerate.
664 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
665 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
666 allocator::value_type assertion for C++2a.
667 * include/bits/hashtable.h: Likewise.
668 * include/bits/stl_deque.h: Likewise.
669 * include/bits/stl_list.h: Likewise.
670 * include/bits/stl_map.h: Likewise.
671 * include/bits/stl_multimap.h: Likewise.
672 * include/bits/stl_multiset.h: Likewise.
673 * include/bits/stl_set.h: Likewise.
674 * include/bits/stl_vector.h: Likewise.
675 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
676 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
677 * testsuite/23_containers/list/48101-3_neg.cc: New test.
678 * testsuite/23_containers/map/48101-3_neg.cc: New test.
679 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
680 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
681 * testsuite/23_containers/set/48101-3_neg.cc: New test.
682 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
683 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
684 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
685 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
686 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
688 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
690 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
692 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
694 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
696 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
698 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
700 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
702 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
705 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
706 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
707 * libsupc++/eh_term_handler.h: New header defining
708 _GLIBCXX_DEFAULT_TERM_HANDLER.
709 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
710 (set_terminate): Restore default handler when argument is null.
711 (set_unexpected): Likewise.
712 * testsuite/18_support/set_terminate.cc: New test.
713 * testsuite/18_support/set_unexpected.cc: New test.
715 * include/backward/hashtable.h (size_t, ptrdiff_t)
716 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
717 (distance, vector, pair, __iterator_category): Remove
718 using-declarations that add these names to namespace __gnu_cxx.
719 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
720 * include/ext/debug_allocator.h (size_t): Likewise.
721 * include/ext/functional (size_t, unary_function, binary_function)
722 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
724 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
725 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
726 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
727 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
728 * include/ext/numeric (iota): Fix outdated comment.
729 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
730 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
731 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
732 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
733 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
735 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
736 (allocator, __true_type, __false_type): Likewise.
738 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
741 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
742 New helpers for checking preconditions in traits.
743 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
744 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
745 (is_destructible, is_nothrow_destructible, is_constructible)
746 (is_default_constructible, is_copy_constructible)
747 (is_move_constructible, is_nothrow_default_constructible)
748 (is_nothrow_constructible, is_nothrow_copy_constructible)
749 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
750 (is_nothrow_assignable, is_nothrow_copy_assignable)
751 (is_nothrow_move_assignable, is_trivially_constructible)
752 (is_trivially_copy_constructible, is_trivially_move_constructible)
753 is_trivially_assignable, is_trivially_copy_assignable)
754 (is_trivially_move_assignable, is_trivially_destructible)
755 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
756 (is_invocable_r, is_nothrow_invocable)
757 (has_unique_object_representations, is_aggregate): Add static_asserts
758 to make sure that type traits are not misused with incomplete types.
759 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
760 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
761 base characteristics without assertions that can be reused in other
763 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
764 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
766 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
767 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
768 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
769 * testsuite/20_util/is_class/value.cc: Check incomplete type.
770 * testsuite/20_util/is_function/value.cc: Likewise.
771 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
772 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
774 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
775 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
776 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
777 * testsuite/20_util/is_union/value.cc: Likewise.
778 * testsuite/20_util/is_void/value.cc: Likewise.
779 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
781 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
783 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
784 Add new private member function.
785 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
786 (random_device::_M_init_pretr1(const string&)): Call new private
787 member with string data.
788 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
790 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
791 test using COW strings.
792 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
793 a value from the device.
794 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
795 Fix typo in token string.
797 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
799 LWG2788 basic_string spurious use of a default constructible allocator
800 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
801 (basic_string::_M_replace_dispatch): Construct temporary string with
802 the current allocator.
803 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
804 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
806 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
808 * doc/xml/manual/diagnostics.xml: Update list of headers that define
810 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
811 section about new/delete overloads. Improve section on verbose
813 * doc/html/*: Regenerate.
815 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
816 P0811R3. Change status of P1353R0.
817 * doc/html/*: Regenerate.
819 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
820 documentation of implementation-defined types for [thread.req.native].
821 * doc/xml/manual/status_cxx2017.xml: Update documentation of
822 implementation-defined strings for [variant.bad.access]. Fix typo in
823 documentation of implementation-defined support for [fs.conform.9945].
824 * doc/html/*: Regenerate.
826 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
829 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
830 that fails on mingw-w64.
833 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
834 (status(const path&, error_code&)): Use parent_path() to remove
836 (symlink_status(const path&, error_code&)): Duplicate workaround for
837 bug in _wstat for paths with trailing slash.
838 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
840 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
841 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
843 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
844 once instead of building it iteratively.
846 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
848 PR libstdc++/85494 use rdseed and rand_s in std::random_device
849 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
850 the assembler supports rdseed.
851 * config.h.in: Regenerate.
852 * configure: Regenerate.
853 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
854 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
855 * doc/html/*: Regenerate.
856 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
857 * include/bits/random.h (random_device::random_device()): Always call
858 _M_init rather than _M_init_pretr1.
859 (random_device::random_device(const string&)): Likewise.
860 (random_device::operator()()): Always call _M_getval().
861 (random_device::_M_file): Replace first member of union with an
862 anonymous struct, with _M_file as its first member.
863 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
864 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
865 (USE_MT19937): Define if none of the above are defined.
866 (USE_POSIX_FILE_IO): Define.
867 (_M_strtoul): Remove.
868 [USE_RDSEED] (__x86_rdseed): Define new function.
869 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
870 (random_device::_M_init(const string&)): Initialize new union members.
871 Add support for "rdseed" and "rand_s" tokens. Decide what the
872 "default" token does according to which USE_* macros are defined.
873 [USE_POSIX_FILE_IO]: Store a file descriptor.
874 [USE_MT19937]: Forward to _M_init_pretr1 instead.
875 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
876 code from _M_strtoul.
877 [!USE_MT19937]: Call _M_init, transforming the old default token or
878 numeric tokens to "default".
879 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
880 (random_device::_M_getval()): Use new union members to obtain a
881 random number from the stored function pointer or file descriptor.
882 [USE_MT19937]: Obtain a value from the mt19937 engine.
883 (random_device::_M_getval_pretr1()): Call _M_getval().
884 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
886 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
887 * testsuite/26_numerics/random/random_device/85494.cc: New test.
889 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
892 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
893 _M_split_cmpts() for a path with multiple components.
894 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
895 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
896 components and reserve space in vector. Return early when there is
898 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
899 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
901 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
902 form of std::equals for C++11 compatibility.
904 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
906 * doc/xml/manual/appendix_contributing.xml: Update pointer to
907 C++ standard at ansi.org.
909 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
911 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
912 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
915 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
916 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
918 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
920 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
922 * testsuite/20_util/function_objects/invoke/3.cc: New test.
923 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
924 "compile" test to "run".
926 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
927 * doc/html/*: Regenerate.
928 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
929 rvalue aliasing constructor.
930 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
931 (reinterpret_pointer_cast): Add overloads taking rvalues.
932 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
933 Add rvalue aliasing constructor.
934 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
935 "run" and check return values as well as types.
936 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
937 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
938 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
939 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
942 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
943 * doc/xml/manual/intro.xml: Likewise.
944 * include/std/future (__create_task_state): Add default arguments
945 to make providing an allocator optional.
946 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
947 instead of delegating to another constructor.
948 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
949 define allocator-extended constructors for C++17 and later.
950 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
952 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
953 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
954 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
956 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
958 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
959 Don't run the libstdc++/83237 part on simulator targets.
961 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
963 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
965 * doc/html/*: Regenerate.
967 * include/experimental/any (__any_caster): Use RTTI if comparing
968 addresses fails, to support non-unique addresses in shared libraries.
969 * include/std/any (__any_caster): Likewise.
972 * include/experimental/any (__any_caster): Constrain to only be
973 callable for object types. Use remove_cv_t instead of decay_t.
974 If the type decays or isn't copy constructible, compare the manager
975 function to a dummy specialization.
976 (__any_caster): Add overload constrained for non-object types.
977 (any::_Manager_internal<_Op>): Add dummy specialization.
978 * testsuite/experimental/any/misc/any_cast.cc: Test function types
981 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
984 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
985 reversed arguments to uninitialized_copy_n.
986 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
987 is unchanged by copy assignment.
988 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
989 compare path components.
992 * include/experimental/memory_resource: Add system header pragma and
993 do not define anything unless compiled as C++14 or later.
994 (__resource_adaptor_common::__guaranteed_alignment): Remove.
995 (__resource_adaptor_imp::do_allocate): If the requested alignment
996 is a fundamental alignment then either allocate directly from _M_alloc
997 or call the new _M_allocate function.
998 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
999 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
1000 of the allocator rebound to a POD type with the specified alignment.
1001 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
1002 * testsuite/experimental/memory_resource/new_delete_resource.cc:
1003 Adjust expected allocation sizes.
1004 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
1005 xfail for Solaris x86.
1007 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
1009 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
1010 * include/pstl/execution_defs.h (__enable_if_execution_policy):
1011 Use std::__remove_cvref_t when building with GCC.
1013 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
1016 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1017 Use "additional_flags" to pass -ltbb to v3_target_compile command.
1018 Use check_v3_target_prop_cached to cache the result of the test.
1020 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
1022 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
1025 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1026 Changed v3_target_compile check from preprocess to executable.
1027 Added "-ltbb" to v3_target_compile flags.
1029 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
1031 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1032 Add check for Thread Building Blocks 2018 or later.
1034 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1036 * testsuite/experimental/names.cc: Only include Networking TS headers
1037 on targets with the necessary Gthreads support.
1039 2019-05-20 Marek Polacek <polacek@redhat.com>
1041 CWG 2094 - volatile scalars are trivially copyable.
1043 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
1044 result for volatile int.
1046 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1048 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
1049 * testsuite/experimental/names.cc: Include <experimental/filesystem>
1052 PR c++/90532 Ensure __is_constructible(T[]) is false
1053 * include/std/type_traits (__do_is_default_constructible_impl)
1054 (__is_default_constructible_atom, __is_default_constructible_safe):
1056 (is_default_constructible): Use is_constructible.
1057 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
1058 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
1059 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
1060 * testsuite/20_util/is_trivially_default_constructible/value.cc:
1063 2019-05-20 Pádraig Brady <pbrady@fb.com>
1065 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
1066 to the deallocator with -fsized-deallocation.
1068 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1070 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
1071 test by passing correct alignment to deallocate function.
1073 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
1076 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
1077 Raise exception if unique_ptr tuple member has unknown structure.
1078 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
1079 Adjust worker to support new __uniq_ptr_data base class. Do not
1080 assume field called _M_head_impl is the first tuple element.
1082 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
1084 * include/bits/stl_deque.h
1085 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
1086 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
1087 (_Deque_base::_Deque_impl_data): New.
1088 (_Deque_base::_Deque_impl): Inherit latter.
1089 (_Deque_base::_Deque_impl::_M_swap_data): Move...
1090 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
1091 (_Deque_base::_Deque_impl()): Add noexcept qualification.
1092 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
1093 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
1094 (deque<>::deque()): Default.
1095 (deque<>::deque(deque&&)): Default.
1096 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
1097 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
1098 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
1099 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
1100 _M_range_initialize.
1101 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
1102 (deque<>::resize(size_type, const value_type&)): Share a single
1104 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
1105 _M_range_insert_aux.
1106 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
1107 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
1108 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
1109 * testsuite/23_containers/deque/allocator/default_init.cc: New.
1111 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
1114 * include/std/variant (holds_alternative, get, get_if): Improve
1115 static assertion messages.
1116 (bad_variant_access::bad_variant_access()): Change default message.
1117 (__throw_bad_variant_access(bool)): New overload.
1118 (get): Use new overload.
1119 (visit, visit<R>): Improve exception message.
1121 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
1122 targets. Add more cases from P0608R3.
1123 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
1125 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
1126 * include/experimental/type_traits (is_detected_exact)
1127 (is_detected_exact_v): Likewise.
1128 * include/pstl/execution_defs.h (is_execution_policy)
1129 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
1130 * include/pstl/execution_impl.h (__policy_traits): Likewise.
1131 * testsuite/17_intro/names.cc: Check for more non-reserved names.
1132 * testsuite/experimental/names.cc: New test.
1135 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
1136 assertions from the destructor.
1137 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
1138 Move static_assert for hash function to here.
1139 (_Hash_table_base::_M_equals): Move static_assert for equality
1141 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
1143 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
1144 the value directly instead of calling _S_value.
1145 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
1146 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
1147 _S_key(_Const_Link_type).
1148 * testsuite/23_containers/set/85965.cc: Check construction,
1149 destruction, assignment and size() do not trigger the assertions.
1150 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
1151 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
1153 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
1154 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
1155 * testsuite/23_containers/set/48101_neg.cc: Likewise.
1156 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
1157 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
1158 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
1159 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
1161 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
1162 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
1165 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
1167 * doc/html/*: Regenerate.
1168 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
1169 of decay_t (P0777R1).
1171 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
1173 Move from state of allocators (LWG2593)
1174 * include/bits/stl_deque.h
1175 (_Deque_base(_Deque_base&&, false_type)): Remove.
1176 (_Deque_base(_Deque_base&&, true_type)): Remove.
1177 (_Deque_base(_Deque_base&&)): Adapt.
1178 (_Deque_base::_M_move_impl()): Remove.
1179 * testsuite/util/testsuite_allocator.h
1180 (propagating_allocator(propagating_allocator&&)): Preserve move from
1182 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
1184 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
1186 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
1187 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
1188 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
1190 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
1192 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
1193 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
1195 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
1197 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
1199 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
1201 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
1203 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
1205 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
1207 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
1210 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
1212 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
1213 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
1215 * include/std/variant (__overload_set): Remove.
1217 (_Build_FUN): New class template to define a single FUN overload,
1218 with specializations to prevent unwanted conversions, as per P0608R3.
1219 (_Build_FUNs): New class template to build an overload set of FUN.
1220 (_FUN_type): New alias template to perform overload resolution.
1221 (__accepted_type): Use integer_constant base for failure case. Use
1222 _FUN_type for successful case.
1223 (variant::__accepted_index): Use _Tp instead of _Tp&&.
1224 (variant::variant(_Tp&&)): Likewise.
1225 (variant::operator=(_Tp&&)): Likewise.
1227 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
1228 Replace raw visitation with a runtime check for the valueless state
1229 and a non-raw visitor.
1230 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
1231 (variant::index()): Remove branch.
1232 (variant::swap(variant&)): Use valueless_by_exception() instead of
1233 comparing the index to variant_npos, and add likelihood attribute.
1235 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
1236 (_Hashtable_base::_Equal_hash_code): Define new class template.
1237 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
1240 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
1241 Replace with _M_get non-static member function.
1242 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
1244 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
1245 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
1247 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
1248 _S_get accessors for members in EBO helpers.
1249 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
1250 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
1252 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
1254 (_Hashtable_base::_M_eq()): Remove non-const overload.
1256 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
1258 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
1260 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1262 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
1265 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1267 * config/os/solaris/solaris2.10: Move to ...
1268 * config/os/solaris: ... this.
1269 * configure.host (os_include_dir): Adapt.
1270 (abi_baseline_pair): Remove Solaris 10 handling.
1271 * config/abi/post/i386-solaris2.10: Remove.
1272 * config/abi/post/sparc-solaris2.10: Remove.
1273 * config/abi/post/i386-solaris2.11: Rename to ...
1274 * config/abi/post/i386-solaris: ... this.
1275 * config/abi/post/sparc-solaris2.11: Rename to ...
1276 * config/abi/post/sparc-solaris: ... this.
1278 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
1281 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
1284 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1286 * include/std/variant (__visit_with_index): Remove typedef.
1287 (__deduce_visit_result): New tag type.
1288 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
1289 visitation of possibly-valueless variants, forwarding to __do_visit
1290 with the relevant tag type.
1291 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
1292 and make lambda return void.
1293 (__variant_construct): Likewise.
1294 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
1295 __raw_idx_visit and make lambda return void.
1296 (_Multi_array::__untag_result): Add metafunction to check the function
1297 pointer type for a tag type that dictates the kind of visitation.
1298 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
1299 Use decltype(auto) instead of tagged function pointer type.
1300 (__gen_vtable_impl): Remove bool non-type parameter and unused
1301 _Variant_tuple parameter.
1302 (__gen_vtable_impl::__visit_invoke_impl): Remove.
1303 (__gen_vtable_impl::__do_visit_invoke): Remove.
1304 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
1305 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
1306 for the visit<R> case, rather than dispatching to separate functions.
1307 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
1309 (variant::swap): Likewise.
1310 (__do_visit): Replace two non-type template parameters with a single
1311 type parameter, so that the caller must specify the visitor's return
1312 type (or one of the tag types).
1313 (visit): Deduce a return type from the visitor and use the
1314 __deduce_visit_result tag to enforce that all overloads return the
1316 (visit<R>): Call __do_visit<R> with explicit result type.
1317 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
1320 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1322 nonesuch is insufficiently useless (lwg2996)
1323 * include/std/type_traits (struct __nonesuch): Added private base
1324 class to make __nonesuch not an aggregate and removed deleted default
1326 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
1327 (operator=(const pair&)): Use __nonesuch instead of
1328 __nonesuch_no_braces.
1329 (operator=(pair&&)): Likewise
1330 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
1331 of __nonesuch_no_braces.
1332 (operator=(tuple&&)): Likewise
1333 * include/experimental/type_traits (struct nonesuch): Added private
1334 base class to make nonesuch not an aggregate and removed deleted
1335 default constructor.
1336 * testsuite/20_util/nonesuch/nonesuch.cc: New.
1337 * testsuite/experimental/type_traits/nonesuch.cc: New.
1339 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1341 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
1342 (_Function_handler): Remove partial specializations for void return
1343 types and pointers to member.
1344 (_Function_handler::_M_manager): Adapt to removal of
1345 _Simple_type_wrapper.
1346 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
1347 * include/std/functional (_Bind_result::__enable_if_void)
1348 (_Bind_result::__disable_if_void): Remove sfinae helpers.
1349 (_Bind_result::__call): Use __invoke_r and remove overloads for void
1351 * include/std/future (__future_base::_Task_state::_M_run)
1352 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
1353 change return type of lambda expressions.
1355 * include/bits/invoke.h (__invoke_r): Define new function implementing
1356 the INVOKE<R> pseudo-function.
1357 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
1358 * testsuite/20_util/function_objects/invoke/2.cc: New test.
1360 * include/std/type_traits (__is_nt_convertible_helper): Define it
1361 unconditionally, not only for C++20.
1362 (__is_nothrow_convertible): Define internal trait for use in C++11.
1363 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
1364 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
1365 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
1366 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
1367 that has nothrow explicit conversion but potentially-throwing implicit
1369 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
1370 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
1371 function to only consider implicit conversions.
1372 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
1374 * include/std/iterator: Include <iosfwd> instead of <istream> and
1377 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
1378 Remove unused, non-standard function.
1380 * include/bits/regex.h (match_results::max_size()): Adjust return
1381 value to account for prefix/suffix/unmatched subs.
1382 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
1383 reset the contained sub matches.
1384 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
1385 function to set result state following a failed match.
1386 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
1387 sub_match states after _M_resize. Use _M_establish_failed_match.
1390 * include/std/thread (thread::_State_impl, thread::_S_make_state):
1391 Replace single _Callable parameter with variadic _Args pack, to
1392 forward them directly to the tuple of decayed copies.
1393 * testsuite/30_threads/thread/cons/69724.cc: New test.
1395 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1397 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
1398 * include/bits/basic_string.h: (operator=(const basic_string&):
1399 Move allocator decision to assign.
1400 (assign(const basic_string&)): Move allocator decision here.
1401 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
1403 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
1406 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1408 * testsuite/util/testsuite_allocator.h (memory_resource)
1409 (default_resource_mgr): Fix indentation.
1411 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
1412 Use operator-> to access raw pointer member.
1413 * testsuite/23_containers/vector/59829.cc: Likewise.
1414 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
1415 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
1416 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
1418 (PointerBase, PointerBase_void): Derive from NullablePointer and use
1419 its constructors and equality operators. Change converting
1420 constructors to use operator-> to access private member of the other
1422 (PointerBase_void::operator->()): Add, for access to private member.
1423 (operator-(PointerBase, PointerBase)): Change to hidden friend.
1424 (operator==(PointerBase, PointerBase)): Remove.
1425 (operator!=(PointerBase, PointerBase)): Remove.
1427 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
1428 not assume field called _M_head_impl is the first tuple element.
1429 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
1430 implementation more accurate.
1431 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
1432 empty pointer type and non-empty deleter.
1434 LWG 2899 - Make is_move_constructible correct for unique_ptr
1435 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
1436 move assignment operator.
1437 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
1438 (__uniq_ptr_data): New class template with conditionally deleted
1440 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
1441 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
1442 constructor and move assignment operator as defaulted.
1443 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
1444 __uniq_ptr_impl::release().
1445 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
1446 to __uniq_ptr_impl::reset(pointer).
1447 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
1448 Check for new __uniq_ptr_data type.
1449 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
1451 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1453 PR libstdc++/90454.cc path construction from void*
1454 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
1455 pointers to void are rejected as well as void.
1456 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
1457 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
1459 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
1461 * doc/xml/manual/policy_data_structures.xml: Comment out stray
1462 <remark> elements. Fix formatting of bibliography references.
1464 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
1466 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
1468 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1470 Remove Profile Mode, deprecated since 7.1.0
1471 * doc/Makefile.am: Remove XML file for profile mode docs.
1472 * doc/Makefile.in: Regenerate.
1473 * doc/xml/authors.xml: Remove authors of profile mode docs.
1474 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
1476 * doc/xml/manual/debug.xml: Likewise.
1477 * doc/xml/manual/evolution.xml: Document removal of profile mode.
1478 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
1479 * doc/xml/manual/spine.xml: Remove profile mode author credit.
1480 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
1482 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
1484 * doc/html/*: Regenerate.
1485 * include/Makefile.am: Remove profile mode headers.
1486 * include/Makefile.in: Regenerate.
1487 * include/bits/c++config (std::__profile): Remove namespace.
1488 [_GLIBCXX_PROFILE]: Remove checks for macro.
1489 * include/profile/array: Remove.
1490 * include/profile/base.h: Remove.
1491 * include/profile/bitset: Remove.
1492 * include/profile/deque: Remove.
1493 * include/profile/forward_list: Remove.
1494 * include/profile/impl/profiler.h: Remove.
1495 * include/profile/impl/profiler_algos.h: Remove.
1496 * include/profile/impl/profiler_container_size.h: Remove.
1497 * include/profile/impl/profiler_hash_func.h: Remove.
1498 * include/profile/impl/profiler_hashtable_size.h: Remove.
1499 * include/profile/impl/profiler_list_to_slist.h: Remove.
1500 * include/profile/impl/profiler_list_to_vector.h: Remove.
1501 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
1502 * include/profile/impl/profiler_node.h: Remove.
1503 * include/profile/impl/profiler_state.h: Remove.
1504 * include/profile/impl/profiler_trace.h: Remove.
1505 * include/profile/impl/profiler_vector_size.h: Remove.
1506 * include/profile/impl/profiler_vector_to_list.h: Remove.
1507 * include/profile/iterator_tracker.h: Remove.
1508 * include/profile/list: Remove.
1509 * include/profile/map: Remove.
1510 * include/profile/map.h: Remove.
1511 * include/profile/multimap.h: Remove.
1512 * include/profile/multiset.h: Remove.
1513 * include/profile/ordered_base.h: Remove.
1514 * include/profile/set: Remove.
1515 * include/profile/set.h: Remove.
1516 * include/profile/unordered_base.h: Remove.
1517 * include/profile/unordered_map: Remove.
1518 * include/profile/unordered_set: Remove.
1519 * include/profile/vector: Remove.
1520 * scripts/run_doxygen: Do not process profile mode headers.
1521 * testsuite/23_containers/array/element_access/60497.cc: Don't use
1523 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
1524 Remove dg-skip-if for profile mode.
1525 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
1526 preprocessor check for profile mode.
1527 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
1528 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
1530 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
1532 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
1533 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
1534 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
1535 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
1536 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
1538 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
1540 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
1542 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
1544 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
1545 preprocessor check for profile mode.
1546 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
1548 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
1549 Remove dg-skip-if for profile mode.
1550 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
1551 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
1552 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
1553 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
1554 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
1555 * testsuite/Makefile.am: Remove profile_flags variable and
1556 * testsuite/Makefile.am: Remove profile_flags variable and
1557 check-profile target.
1558 * testsuite/Makefile.in: Regenerate.
1559 * testsuite/ext/profile/all.cc: Remove.
1560 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
1561 * testsuite/ext/profile/profiler_algos.cc: Remove.
1562 * testsuite/ext/profile/replace_new.cc: Remove.
1563 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
1564 preprocessor check for profile mode.
1565 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1566 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
1567 (check_v3_target_normal_mode): Do not check for profile mode macro.
1568 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
1570 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
1571 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1572 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1573 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
1574 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
1575 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1576 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1577 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1578 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1579 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1581 Remove array_allocator extension, deprecated since 4.9.0
1582 * doc/xml/manual/allocator.xml: Remove documentation for
1584 * doc/xml/manual/evolution.xml: Document array_allocator removal.
1585 * doc/xml/manual/using.xml: Remove header from documentation.
1586 * include/Makefile.am: Remove <ext/array_allocator.h> header.
1587 * include/Makefile.in: Regenerate.
1588 * include/ext/array_allocator.h: Remove.
1589 * include/precompiled/extc++.h: Do not include removed header.
1590 * testsuite/ext/array_allocator/1.cc: Remove.
1591 * testsuite/ext/array_allocator/2.cc: Remove.
1592 * testsuite/ext/array_allocator/26875.cc: Remove.
1593 * testsuite/ext/array_allocator/3.cc: Remove.
1594 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
1595 * testsuite/ext/array_allocator/check_delete.cc: Remove.
1596 * testsuite/ext/array_allocator/check_new.cc: Remove.
1597 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
1598 * testsuite/ext/headers.cc: Do not include removed header.
1600 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
1602 * include/bits/stl_bvector.h
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 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1613 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1615 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1617 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
1619 (_Bit_iterator::operator-(difference_type)): Likewise.
1620 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
1621 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
1623 (_Bit_const_iterator::operator-(difference_type)): Likewise.
1624 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
1626 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
1629 * testsuite/util/thread/all.h: Do not use remove_pointer for
1630 std::thread::native_handle_type.
1633 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
1634 (_Variant_storage<true, Types...>::_M_reset()))
1635 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
1636 (__get_storage): Likewise.
1637 (variant): Add noexcept to friend declarations for __get and
1641 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
1642 Use _Require for constraints.
1643 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
1645 (__uniq_ptr_hash): New base class with conditionally-disabled call
1647 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
1648 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
1649 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
1651 * include/bits/shared_ptr.h: Improve docs.
1652 * include/bits/shared_ptr_base.h: Likewise.
1653 * include/bits/stl_uninitialized.h: Likewise.
1654 * include/bits/unique_ptr.h: Likewise.
1655 * libsupc++/new: Likewise.
1657 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
1659 * include/bits/stl_deque.h
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 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1668 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1670 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1672 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
1674 (_Deque_iterator<>::operator-(difference_type)): Likewise.
1676 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
1679 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
1680 (test01): Reserve for number of insertions to avoid rehash during test.
1681 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1683 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1688 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
1690 * include/experimental/bits/fs_path.h: Improve docs.
1691 * include/experimental/bits/net.h: Fix wrong header name in comment.
1692 Do not document implementation details.
1693 * include/experimental/netfwd: Fix doxygen grouping.
1695 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1697 * include/bits/stl_pair.h: Improve docs.
1698 * include/std/tuple: Likewise.
1700 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
1702 * include/std/chrono: Improve docs.
1703 * include/std/ratio: Do not document implementation details.
1704 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
1706 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1709 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
1710 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
1711 (__duration_common_type): New helper.
1712 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
1713 __duration_common_type.
1714 (__timepoint_common_type_wrapper): Replace with ...
1715 (__timepoint_common_type): New helper.
1716 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
1717 Use __time_point_common_type.
1718 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
1719 (__common_type_impl): If either argument is transformed by decay,
1720 use the common_type of the decayed types.
1721 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
1722 decayed, use __do_common_type_impl to get the common_type.
1723 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
1724 (__do_member_type_wrapper, __member_type_wrapper)
1725 (__expanded_common_type_wrapper): Remove.
1726 (__common_type_pack, __common_type_fold): New helpers.
1727 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
1728 __member_type_wrapper and __expanded_common_type_wrapper.
1729 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
1730 Test zero-length template argument list.
1731 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
1732 Test single argument cases and argument types that should decay.
1733 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
1734 Adjust expected error.
1735 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
1737 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1738 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1739 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1741 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
1743 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
1745 Make allocator propagation more consistent for
1746 operator+(basic_string) (P1165R1)
1747 * include/bits/basic_string.h
1748 (operator+(basic_string&&, basic_string&&): Changed resulting
1749 allocator to always be the one from the first parameter.
1750 * include/bits/basic_string.tcc
1751 (operator+(const _CharT*, const basic_string&)): Changed
1752 resulting allocator to be SOCCC on the second parameter's allocator.
1753 (operator+(_CharT, const basic_string&)): Likewise.
1754 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
1756 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
1759 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1761 * include/bits/regex.h: Improve docs.
1762 * include/bits/regex.tcc: Do not document implementation details.
1764 * testsuite/19_diagnostics/error_code/hash.cc: New test.
1766 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
1768 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
1769 Add type printer for container types in std::__debug namespace.
1770 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
1771 (gdb-tests): Use distinct parameters for the type of test and use of
1773 (gdb-test): Check for regex test even if 'whatis' test.
1774 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
1776 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1777 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1778 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1779 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1780 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1781 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1782 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1784 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
1786 * include/std/system_error (error_category): Fix comment.
1789 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
1790 argument is an empty path.
1791 (absolute(const path&, error_code&)): Use invalid_argument as error
1792 code instead of no_such_file_or_directory.
1793 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
1794 of non-existent paths and empty paths with both overloads of absolute.
1796 * include/std/system_error (error_category, error_code)
1797 (error_condition): Improve docs.
1798 * libsupc++/exception: Add missing @addtogroup Doxygen command.
1799 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
1800 to class documentation. Suppress documentation for implementation
1802 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
1803 Suppress documentation for implementation details.
1805 * include/std/system_error (error_code): Remove friend declaration
1806 for hash<error_code>.
1807 (hash<error_code>::operator()): Use public member functions to access
1809 (hash<error_condition>::operator()): Use address of category, not
1810 its object representation.
1811 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
1812 Use public member functions to access value and category.
1813 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
1815 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
1817 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
1818 * include/bits/hashtable_policy.h
1819 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
1820 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
1821 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
1822 smaller than input value rather than always greater. Preserve
1823 _M_next_resize if called with 0 input. Use __builtin_floorl.
1824 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
1825 elements + number of insertions is greater than _M_next_resize. Start
1826 with 11 buckets if not told otherwise. Use __builtin_floorl.
1827 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
1828 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1829 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
1830 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
1831 told otherwise. Use __builtin_floorl.
1832 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
1833 to also validate _Power2_rehash_policy.
1834 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
1837 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
1840 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
1844 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
1845 overflow warning with -Wpedantic -Wsystem-headers.
1847 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
1850 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
1851 * include/bits/move.h (swap): Remove extra parentheses.
1853 * include/experimental/bits/lfts_config.h: Improve doc markup.
1854 * include/experimental/optional: Improve docs.
1855 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
1856 (__constexpr_addressof): Remove.
1857 (optional::operator->()): Use std::__addressof().
1858 * include/std/optional (optional::operator->()): Adjust whitespace.
1859 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
1860 that operator-> is still constexpr with overloaded operator&. Change
1861 to compile-only test.
1862 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
1865 * include/bits/shared_ptr.h: Improve docs.
1866 * include/bits/shared_ptr_atomic.h: Likewise.
1867 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
1869 * include/bits/basic_string.h: Fix iterator/index confusion in
1871 * include/bits/range_access.h: Fix Doxygen warnings.
1872 * include/bits/refwrap.h: Do not document implementation details.
1873 (ref, cref): Group docs with reference_wrapper.
1874 * include/std/fstream: Fix Doxygen markup.
1875 * libsupc++/initializer_list (begin, end): Group docs with
1878 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
1880 * include/bits/unique_lock.h: Fix/improve doxygen markup.
1881 * include/std/mutex: Likewise.
1882 * include/std/shared_mutex: Likewise.
1884 * include/bits/fs_dir.h: Fix/improve doxygen markup.
1885 * include/bits/fs_fwd.h: Likewise.
1886 * include/bits/fs_ops.h: Likewise.
1887 * include/bits/fs_path.h: Likewise.
1888 * include/std/filesystem: Likewise.
1890 * include/experimental/bits/net.h: Fix/improve doxygen markup.
1891 * include/experimental/buffer: Likewise.
1892 * include/experimental/executor: Likewise.
1893 * include/experimental/internet: Likewise.
1894 * include/experimental/io_context: Likewise.
1895 * include/experimental/net: Likewise.
1896 * include/experimental/netfwd: Likewise.
1897 * include/experimental/socket: Likewise.
1898 * include/experimental/timer: Likewise.
1900 * doc/doxygen/doxygroups.cc: Move description of experimental group
1902 * include/experimental/algorithm: Add to libfund-ts doc group.
1903 * include/experimental/any: Likewise. Do not document implementation
1905 * include/experimental/array: Add to libfund-ts doc group.
1906 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
1907 for Library Fundamentals.
1908 * include/experimental/chrono: Add to libfund-ts doc group.
1909 * include/experimental/deque: Likewise.
1910 * include/experimental/forward_list: Likewise.
1911 * include/experimental/functional: Likewise.
1912 * include/experimental/iterator: Likewise.
1913 * include/experimental/list: Likewise.
1914 * include/experimental/map: Likewise.
1915 * include/experimental/memory: Likewise.
1916 * include/experimental/memory_resource: Likewise. Improve docs.
1918 * include/experimental/numeric: Add to libfund-ts doc group.
1919 * include/experimental/optional: Likewise.
1920 * include/experimental/propagate_const: Likewise.
1921 * include/experimental/random: Likewise.
1922 * include/experimental/ratio: Likewise.
1923 * include/experimental/regex: Likewise.
1924 * include/experimental/set: Likewise.
1925 * include/experimental/source_location: Likewise.
1926 * include/experimental/string: Likewise.
1927 * include/experimental/string_view: Likewise.
1928 * include/experimental/system_error: Likewise.
1929 * include/experimental/tuple: Likewise.
1930 * include/experimental/type_traits: Likewise.
1931 * include/experimental/unordered_map: Likewise.
1932 * include/experimental/unordered_set: Likewise.
1933 * include/experimental/utility: Likewise.
1934 * include/experimental/vector: Likewise.
1935 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
1936 * testsuite/experimental/array/neg.cc: Adjust dg-error.
1937 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
1939 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
1940 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
1941 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
1942 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
1943 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
1945 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
1946 * include/experimental/bits/fs_fwd.h: Improve docs.
1947 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
1948 * include/experimental/bits/fs_path.h: Likewise.
1949 (path, filesystem_error, u8path): Improve docs.
1950 * include/experimental/filesystem: Link to docs for TS.
1952 * config/allocator/new_allocator_base.h (__allocator_base): Add
1953 workaround for Doxygen bug #6945.
1954 * include/std/memory: Improve docs. Define group for pointer safety.
1955 * include/std/scoped_allocator: Improve docs. Use "undocumented"
1956 conditional to suppress documentation for implementation details.
1958 * include/bits/specfun.h: Improve docs.
1959 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
1962 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
1963 (std::experimental): Add docs.
1964 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
1965 namespace to nothing when generating docs.
1966 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
1967 * include/std/chrono (std::chrono): Likewise.
1968 * include/std/functional (std::placeholders): Likewise.
1969 * include/std/thread (std::this_thread): Likewise.
1971 * include/parallel/settings.h: Fix Doxygen markup.
1973 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
1974 anything unless PB_DS_CLASS_C_DEC is defined.
1975 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
1976 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
1977 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
1978 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
1979 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
1980 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
1981 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
1983 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
1984 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
1985 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
1986 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
1987 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
1988 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
1989 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
1990 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
1991 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
1992 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
1993 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
1995 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
1996 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
1998 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
2001 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
2002 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
2003 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
2006 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2008 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
2009 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
2010 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
2011 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
2012 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
2013 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
2015 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
2016 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
2019 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
2022 * include/std/complex (__complex_proj): Return parameter unchanged.
2023 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
2024 floating-point types to take std::complex arguments.
2025 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
2026 floating-point types.
2027 * testsuite/26_numerics/complex/proj.cc: New test.
2029 2019-04-30 Jakub Jelinek <jakub@redhat.com>
2031 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
2032 to _Lock_policyE[012].
2033 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2035 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
2037 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
2038 macros accidentally left in.
2039 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
2040 unnecessary -lstdc++fs option. Fix test for mingw.
2041 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
2044 2019-04-30 Jakub Jelinek <jakub@redhat.com>
2046 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2048 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
2050 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
2052 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
2053 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
2056 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
2058 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
2061 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
2062 class template and partial specialization.
2065 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
2067 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
2068 functions to convert a value to an integral type.
2069 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
2070 (fill_n): Convert _Size parameter to an integral type.
2071 * testsuite/25_algorithms/fill_n/87982.cc: New test.
2072 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
2073 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
2074 * testsuite/25_algorithms/generate_n/87982.cc: New test.
2075 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
2076 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
2078 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
2080 Adding noexcept-specification on tuple constructors (LWG 2899)
2081 * libstdc++-v3/include/std/tuple:
2082 (tuple()): Add noexcept-specification.
2083 (tuple(const _Elements&...)): Likewise
2084 (tuple(_UElements&&...)): Likewise
2085 (tuple(const tuple<_UElements...>&)): Likewise
2086 (tuple(tuple<_UElements...>&&)): Likewise
2087 (tuple(const _T1&, const _T2&)): Likewise
2088 (tuple(_U1&&, _U2&&)): Likewise
2089 (tuple(const tuple<_U1, _U2>&): Likewise
2090 (tuple(tuple<_U1, _U2>&&): Likewise
2091 (tuple(const pair<_U1, _U2>&): Likewise
2092 (tuple(pair<_U1, _U2>&&): Likewise
2093 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
2095 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
2098 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
2099 arguments with __restrict.
2101 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
2103 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
2105 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
2107 * include/experimental/bits/fs_path.h
2108 (path::_S_convert_loc<_InputIterator>): Create const std::string to
2109 avoid redundant call to _S_convert_loc with non-const pointers.
2111 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
2112 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
2113 * testsuite/21_strings/basic_string/hash/hash.cc
2114 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
2115 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
2116 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
2118 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
2119 wstring::_M_replace_dispatch with more specific patterns.
2120 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
2121 Create const std::string to avoid redundant call to _S_convert_loc
2122 with non-const pointers.
2123 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
2124 avoid unnecessary basic_string::assign instantiations.
2126 * include/std/memory (__uses_alloc_args): Add string-literal to
2127 static_assert, to match the one in __uses_alloc.
2128 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
2129 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
2130 for recursive uses-allocator construction of nested pairs.
2131 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
2134 2019-04-26 Jakub Jelinek <jakub@redhat.com>
2136 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
2137 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
2138 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
2139 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
2141 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2142 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
2143 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
2144 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
2145 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
2146 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2147 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2149 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
2152 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
2153 * include/std/scoped_allocator [__cplusplus > 201703L]
2154 (scoped_allocator_adaptor::construct): Define in terms of
2155 uses_allocator_construction_args, as per P0591R4.
2156 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
2157 * testsuite/util/testsuite_allocator.h: Remove name of unused
2160 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
2162 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
2163 * doc/html/*: Regenerate.
2165 * include/bits/fs_path.h (operator<, operator<=, operator>)
2166 (operator>=, operator==, operator!=): Make hidden friends, as per
2168 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
2169 string type in test.
2170 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
2172 * include/std/any (any::any(ValueType&&)): Use __and_v.
2173 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
2176 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
2178 * include/std/type_traits (__result_of_memfun): Use remove_reference
2179 instead of __remove_cvref_t and remove redundant is_same check.
2180 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
2182 * include/experimental/string_view (basic_string_view::pointer)
2183 (basic_string_view::reference): Fix to refer to non-const value_type.
2184 * include/bits/basic_string.h (basic_string): Use __sv_check and
2185 __sv_limit instead of basic_string_view::_M_check and
2186 basic_string_view::_M_limit.
2187 * include/std/string_view (__sv_check, __sv_limit): New
2188 helper functions to replace basic_string_view::_M_check and
2189 basic_string_view::_M_limit.
2190 (basic_string_view): Add static assertions to enforce ill-formed
2191 requirement for traits_type::char_type from P1148R0, and to enforce
2192 required properties of char-like types.
2193 (basic_string_view::pointer, basic_string_view::reference): Fix to
2194 refer to non-const value_type.
2195 (basic_string_view::operator[], basic_string_view::at)
2196 (basic_string_view::front, basic_string_view::back)
2197 (basic_string_view::data): Use const_reference and const_pointer
2198 typedefs for return types.
2199 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
2200 (hash<wstring_view>): Fix argument_type typedef.
2201 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
2202 char/1.cc: Fix expected return type of basic_string_view::data().
2203 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
2204 wchar_t/1.cc: Likewise.
2205 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
2206 char/1.cc: Likewise.
2207 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
2208 wchar_t/1.cc: Likewise.
2209 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
2211 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
2212 Check reference and pointer typedefs.
2213 * testsuite/experimental/string_view/requirements/typedefs.cc:
2215 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
2216 Fix expected return type of basic_string_view::data().
2217 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
2219 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
2221 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
2225 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
2226 Avoid a runtime check for types that can never be stored in std::any.
2227 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
2230 PR libstdc++/90220 (partial)
2231 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
2232 not attempt ill-formed static_cast to pointers to non-object types.
2233 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
2236 * testsuite/20_util/variant/run.cc: Catch exception by reference to
2237 prevent -Wcatch-value warning.
2239 * include/std/variant (__variant_construct): Use template parameter
2240 type instead of equivalent decltype-specifier.
2241 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
2242 Replace forward with move.
2243 (_Move_ctor_base<false, Types...>::_M_destructive_move)
2244 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
2245 (_Move_ctor_base<true, Types...>::_M_destructive_move)
2246 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
2247 index after construction succeeds.
2248 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
2249 if-constexpr checks that are always true. Use __remove_cvref_t instead
2250 of remove_reference so that is_nothrow_move_constructible check
2251 doesn't use a const rvalue parameter. In the potentially-throwing case
2252 construct a temporary and move assign it, as per LWG 2904.
2253 (_Move_assign_base<false, Types...>::operator=): Remove redundant
2254 if-constexpr checks that are always true. Use emplace as per LWG 2904.
2255 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
2256 construct a temporary and move assign from it, as per LWG 2904.
2257 * testsuite/20_util/variant/exception_safety.cc: Check that
2258 assignment operators have strong exception safety guarantee.
2260 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
2262 Document PSTL linker flags
2264 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
2266 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
2268 * include/std/variant (__detail::__variant::_Traits): Make
2269 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
2270 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
2272 (__detail::__variant::_Copy_assign_alias): Only depend on
2273 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
2274 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
2275 move assignment operators.
2278 * include/std/variant (variant::__not_self): New helper for the
2279 is_same_v<remove_cvref_t<T>, variant>==false constraints.
2280 (variant::__to_type_impl): Remove.
2281 (variant::__to_type): Add default argument to check pack size, instead
2282 of using __to_type_impl.
2283 (variant::__accepted_type): Add default argument using __not_self.
2284 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
2285 for variant(T&&) constructor constraint.
2286 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
2287 Extract __accepted_type into a named template parameter for reuse in
2288 other constraints and in the exception specification.
2289 (variant::variant(in_place_type_t<T>, Args&&...))
2290 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
2291 (variant::variant(in_place_index_t<T>, Args&&...))
2292 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
2293 (variant::operator=T&&)): Remove redundant && from trait arguments.
2294 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
2295 isn't used for in_place_type or in_place_index arguments.
2297 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
2298 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
2299 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
2301 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2302 Bernd Edlinger <bernd.edlinger@hotmail.de>
2303 Jakub Jelinek <jakub@redhat.com>
2306 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
2307 general-regs-only target attribute for ARM.
2309 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
2312 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
2313 specialization also depend on is_nothrow_move_constructible.
2314 * include/std/variant (__detail::__variant::__never_valueless()):
2315 Only true if the variant would have a move assignment operator.
2316 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
2317 Check __never_valueless<T...>().
2318 (variant::emplace): Only perform non-throwing move assignments
2319 for never-valueless alternatives if the variant has a move assignment
2321 * testsuite/20_util/variant/compile.cc: Check that never-valueless
2322 types can be emplaced into non-assignable variants.
2323 * testsuite/20_util/variant/run.cc: Check that never-valueless types
2324 don't get copied when emplaced into non-assignable variants.
2326 * include/std/variant (__detail::__variant::__ref_cast): Remove
2328 (__detail::__variant::_Uninitialized::_M_get)
2329 (__detail::__variant::__get)
2330 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
2332 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
2334 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
2336 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
2337 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
2338 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
2339 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
2341 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2343 Delegate PSTL configuration to pstl/pstl_config.h
2345 * include/bits/c++config: Remove explicit PSTL configuration
2346 macros and use definitions from <pstl/pstl_config.h>.
2348 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2350 Cleanup algorithm implementations
2351 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
2353 (mismatch): Forward execution policy.
2354 (equal): Qualify call to std::equal().
2355 (partial_sort): Forward execution policy.
2356 (inplace_merge): Forward execution policy.
2358 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
2360 Improve implementation of parallel equal()
2361 * include/pstl/algorithm_impl.h
2362 (__internal::__brick_equal): use "4 iterator" version of
2364 (__internal::__brick_equal): use simd for random access
2365 iterators on unsequenced execution policies.
2366 (__internal::__pattern_equal): add "4 iterator" version
2367 (__internal::__pattern_equal): dispatch to simd __brick_equal
2368 for vector-only execution policies.
2369 (__internal::__pattern_equal): dispatch to __parallel_or for
2370 parallel execution policies.
2371 * include/pstl/glue_algorithm_impl.h
2372 (std::equal): dispatch to "4 iterator" version of
2373 __internal::__pattern_equal().
2375 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
2378 * include/bits/forward_list.h (operator==): Do not use operator!= to
2380 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
2381 earlier in the list, so that sort is stable.
2382 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
2383 * testsuite/23_containers/forward_list/comparable.cc: Test with
2384 types that meet the minimum EqualityComparable and LessThanComparable
2385 requirements. Remove irrelevant comment.
2387 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
2388 Do not depend on whether all alternative types are move constructible.
2389 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
2390 from the operand when deciding whether to perform the assignment.
2391 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
2392 with deleted move constructor and deleted move assignment operator.
2393 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
2394 behaviour of variants with DeletedMoves as an alternative.
2395 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
2396 (move_ctor, move_assign): Check that moving a variant with a
2397 DeletedMoves alternative falls back to copying instead of moving.
2399 * testsuite/20_util/variant/compile.cc: Remove empty string literals
2400 from static_assert declarations.
2402 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
2403 actually match its name.
2404 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
2405 (test_swap()): Fix result for MoveCtorOnly and check
2406 MoveCtorAndSwapOnly.
2408 * include/std/optional (optional::value_or(U&&) &&): Add missing
2409 constexpr specifier.
2410 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
2411 for disengaged optionals and rvalue optionals.
2412 * testsuite/20_util/optional/observers/4.cc: Likewise.
2414 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
2416 * include/pstl/algorithm_impl.h: Uglify identfiers.
2417 * include/pstl/numeric_impl.h: Uglify identfiers.
2418 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
2420 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
2422 * include/bits/c++config:
2423 Add definition for __PSTL_ASSERT.
2424 Add definition for __PSTL_ASSERT_MSG.
2425 * include/pstl/algorithm_impl.h: Replace use of assert().
2426 * include/pstl/numeric_impl.h: Replace use of assert().
2427 * include/pstl/parallel_backend_tbb.h:
2428 Replace use of assert().
2429 Replace use of __TBB_ASSERT().
2430 * include/pstl/parallel_backend_utils.h: Replace use of assert().
2432 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
2435 * src/c++17/memory_resource.cc
2436 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
2437 needed to allow placing a _Chunk at the end of the buffer.
2438 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
2440 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
2442 * doc/xml/faq.xml: Add information about emergency EH pool.
2443 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
2444 Move outdated information on mt_allocator to a separate section.
2445 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
2446 doesn't affect the default allocator.
2448 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
2452 * testsuite/20_util/variant/89851.cc: New test.
2454 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
2456 * include/std/variant: Adjust whitespace. Add comments.
2457 (_Multi_array): Leave primary template undefined.
2458 (_Multi_array<_Tp>): Define partial specialization for base case of
2460 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
2461 which is always a reference.
2462 (__gen_vtable::_S_apply()): Remove function, inline body into
2463 default member initializer.
2464 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
2466 * include/std/variant (__variant_idx_cookie): Add member type.
2467 (__visitor_result_type): Remove.
2468 (__do_visit): Use invoke_result instead of __visitor_result_type.
2469 * testsuite/20_util/variant/visit.cc: New test.
2472 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
2474 * testsuite/20_util/variant/90008.cc: New test.
2476 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
2478 * include/pstl/algorithm_impl.h: Add namespace qualification.
2479 * include/pstl/execution_defs.h: Add namespace qualification.
2480 * include/pstl/execution_impl.h: Add namespace qualification.
2481 * include/pstl/numeric_impl.h: Add namespace qualification.
2482 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
2483 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
2484 * include/pstl/parallel_backend_utils.h: Include <cassert>.
2486 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
2488 Fix visit<R> for variant.
2489 * include/std/variant (__do_visit): Add a template parameter
2490 for enforcing same return types for visit.
2491 (__gen_vtable_impl): Likewise.
2492 (_S_apply_single_alt): Adjust.
2493 (__visit_invoke_impl): New. Handle casting to void.
2494 (__do_visit_invoke): New. Enforces same return types.
2495 (__do_visit_invoke_r): New. Converts return types.
2496 (__visit_invoke): Adjust.
2497 (__gen_vtable): Add a template parameter for enforcing
2498 same return types for visit.
2499 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
2500 different return types.
2501 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
2502 visitors with different return types don't accidentally
2503 compile with regular visitation.
2505 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
2507 * testsuite/27_io/filesystem/iterators/caching.cc: Add
2508 dg-require-filesystem-ts.
2510 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
2512 * doc/xml/manual/status_cxx2020.xml: Update status.
2513 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
2514 * testsuite/20_util/variant/visit_r.cc: New test.
2516 * include/bits/fs_dir.h (directory_iterator::operator*)
2517 (directory_iterator::operator->): Add noexcept.
2518 (operator==, operator!=): Replace namespace-scope equality operators
2519 for directory iterators with hidden friends.
2522 * config/abi/pre/gnu.ver: Add missing exports.
2523 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
2526 * config/abi/pre/gnu.ver: Export new symbols.
2527 * include/bits/fs_dir.h (recursive_directory_iterator::options())
2528 (recursive_directory_iterator::recursion_pending())
2529 (recursive_directory_iterator::disable_recursion_pending()): Remove
2530 inline definitions. Make noexcept.
2531 (recursive_directory_iterator::depth())
2532 (recursive_directory_iterator::operator*())
2533 (recursive_directory_iterator::operator->()): Make noexcept.
2534 (recursive_directory_iterator::_M_options)
2535 (recursive_directory_iterator::_M_pending): Remove data members.
2536 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
2537 (recursive_directory_iterator::recursive_directory_iterator): Remove
2538 ctor-initializer. Use new constructor for _Dir_stack.
2539 (recursive_directory_iterator::options())
2540 (recursive_directory_iterator::recursion_pending())
2541 (recursive_directory_iterator::disable_recursion_pending()): Add
2542 non-inline definitions.
2543 (recursive_directory_iterator::depth()): Make noexcept.
2544 (recursive_directory_iterator::increment(error_code&))
2545 (recursive_directory_iterator::pop(error_code&)): Adjust to new
2546 location of options and recursion_pending members.
2547 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
2548 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
2549 user-declared move constructor and assignment operator, to make the
2552 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
2553 d_type == DT_UNKNOWN immediately.
2554 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
2556 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
2558 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
2560 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
2561 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
2564 PR libstdc++/87431 (again)
2565 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
2566 Define partial specialization for basic_string.
2567 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
2568 shared_ptr and weak_ptr.
2569 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
2571 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
2573 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
2575 * include/debug/vector (_Never_valueless_alt): Likewise for debug
2577 * include/std/any (_Never_valueless_alt): Define explicit
2578 specialization for any.
2579 * include/std/variant (_Never_valueless_alt): Define primary template.
2580 (__never_valueless): Use _Never_valueless_alt instead of
2581 is_trivially_copyable.
2582 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
2583 initializations to avoid try-catch overhead. Add special case for
2584 scalars produced by potentially-throwing conversions. Use
2585 _Never_valueless_alt instead of is_trivially_copyable for the
2586 remaining strong exception-safety cases.
2587 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
2588 * testsuite/20_util/variant/87431.cc: Run both test functions.
2589 * testsuite/20_util/variant/exception_safety.cc: New test.
2590 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
2591 so the variant becomes valueless.
2593 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
2596 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
2598 (variant::emplace<_Tp>): Return result of emplace<N> directly.
2600 * include/std/string (__hash_string_base): New class template defining
2601 operator() for hashing strings.
2602 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
2603 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
2604 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
2605 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
2607 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
2609 Use single-visitation in variant assignment and swap and relops.
2610 Also use indices instead of types when checking whether
2611 variants hold the same thing.
2612 * include/std/variant (__do_visit): Add a template parameter
2613 for index visitation, invoke with indices if index visitation
2615 (__variant_idx_cookie): New.
2616 (__visit_with_index): Likewise.
2617 (_Copy_assign_base::operator=): Do single-visitation with
2619 (_Move_assign_base::operator=): Likewise.
2620 (_Extra_visit_slot_needed): Adjust.
2621 (__visit_invoke): Call with indices if it's an index visitor.
2622 (relops): Do single-visitation with an index visitor.
2624 (__visitor_result_type): New.
2626 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
2628 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
2630 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2632 Don't revisit a variant we are already visiting.
2633 * include/std/variant (__variant_construct_single): New.
2634 (__variant_construct): Use it.
2635 (_M_destructive_move): Likewise.
2636 (_M_destructive_copy): Likewise.
2637 (_Copy_assign_base::operator=): Adjust.
2638 (_Move_assign_base::operator=): Likewise.
2641 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
2644 * include/bits/hashtable.h (_Hashtable): Move static assertions to
2645 destructor so they are not evaluated until the _Key type is complete.
2646 * include/bits/stl_tree.h (_Rb_tree): Likewise.
2647 * testsuite/23_containers/set/85965.cc: New test.
2648 * testsuite/23_containers/unordered_set/85965.cc: New test.
2649 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
2650 with regexp matching the corresponding _Rb_tree specialization.
2651 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2652 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
2653 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2654 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2655 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2656 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2657 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2659 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2662 Fix based on a suggestion by Antony Polukhin.
2663 * include/std/variant (__never_valueless): New.
2665 (_Extra_visit_slot_needed): New.
2666 (_Multi_array): Use it.
2667 (_S_apply_all_alts): Likewise.
2669 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2672 Fix based on a suggestion by Antony Polukhin.
2673 * include/std/variant (__gen_vtable): Don't reserve an
2674 additional table slot, _Multi_array already does that.
2676 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2679 Fix based on a suggestion by Antony Polukhin.
2680 * include/std/variant (__variant_construct): Capture a pointer
2681 to the storage and visit just one variant.
2683 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
2685 * doc/xml/manual/backwards_compatibility.xml: Remove link to
2686 Doxygen-generated pages with unstable URL.
2687 * doc/xml/manual/concurrency_extensions.xml: Likewise.
2688 * doc/xml/manual/extensions.xml: Likewise.
2689 * doc/xml/manual/parallel_mode.xml: Likewise.
2690 * doc/xml/manual/support.xml: Likewise.
2692 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
2693 avoid -Wconversion warnings.
2695 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
2697 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
2698 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
2699 (allstamped): Add stamp-pstl.
2700 (install-headers): Add ptsl_builddir.
2701 * include/Makefile.in: Regenerate.
2702 * include/bits/c++config: Add pstl configuration.
2703 * include/pstl/LICENSE.txt: New file.
2704 * include/pstl/algorithm_fwd.h: New file.
2705 * include/pstl/algorithm_impl.h: New file.
2706 * include/pstl/execution_defs.h: New file.
2707 * include/pstl/execution_impl.h: New file.
2708 * include/pstl/glue_algorithm_defs.h: New file.
2709 * include/pstl/glue_algorithm_impl.h: New file.
2710 * include/pstl/glue_execution_defs.h: New file.
2711 * include/pstl/glue_memory_defs.h: New file.
2712 * include/pstl/glue_memory_impl.h: New file.
2713 * include/pstl/glue_numeric_defs.h: New file.
2714 * include/pstl/glue_numeric_impl.h: New file.
2715 * include/pstl/memory_impl.h: New file.
2716 * include/pstl/numeric_fwd.h: New file.
2717 * include/pstl/numeric_impl.h: New file.
2718 * include/pstl/parallel_backend.h: New file.
2719 * include/pstl/parallel_backend_tbb.h: New file.
2720 * include/pstl/parallel_backend_utils.h: New file.
2721 * include/pstl/parallel_impl.h: New file.
2722 * include/pstl/pstl_config.h: New file.
2723 * include/pstl/unseq_backend_simd.h: New file.
2724 * include/pstl/utils.h: New file.
2725 * include/std/algorithm: Include parallel algorithm implementations.
2726 * include/std/execution: New file.
2727 * include/std/memory: Include parallel algorithm implementations.
2728 * include/std/numeric: Include parallel algorithm implementations.
2729 * include/std/version: Add parallel algorithms feature test macro.
2730 * testsuite/util/pstl/pstl_test_config.h: New file.
2731 * testsuite/util/pstl/test_utils.h: New file.
2732 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2733 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2734 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2735 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2736 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2737 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2738 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2739 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2740 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2741 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2742 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2743 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2744 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2745 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2746 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2747 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2748 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2749 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2750 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2751 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2752 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2753 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2754 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2755 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2756 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2757 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2758 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2759 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2760 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2761 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2762 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2763 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2764 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2765 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2766 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2767 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2768 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2769 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2770 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2771 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2772 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2773 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2774 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2775 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2776 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2777 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2778 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2779 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2780 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2781 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2782 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2783 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2784 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2785 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2786 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2787 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2788 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2789 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2790 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2791 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2792 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2793 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2794 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2795 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2796 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2797 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2798 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2799 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2800 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2801 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2802 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2803 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2804 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2805 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2806 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2807 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2808 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2809 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2810 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2811 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2812 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2813 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2814 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2815 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2816 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2817 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2818 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2819 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2820 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2821 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2822 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2823 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2824 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2825 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2826 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2827 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2828 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2829 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2830 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2831 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2832 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2833 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2834 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2835 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2836 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2837 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2839 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
2841 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
2842 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
2843 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
2844 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
2845 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
2846 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
2847 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
2848 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
2849 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
2850 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
2851 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
2852 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
2853 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
2854 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
2855 when the special functions IS is enabled, not for C++17.
2856 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
2858 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
2859 without checks for special functions in C++17.
2860 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
2864 * include/backward/hash_map: Use <> for includes not "".
2865 * include/backward/hash_set: Likewise.
2866 * include/backward/strstream: Likewise.
2867 * include/tr1/bessel_function.tcc: Likewise.
2868 * include/tr1/exp_integral.tcc: Likewise.
2869 * include/tr1/legendre_function.tcc: Likewise.
2870 * include/tr1/modified_bessel_func.tcc: Likewise.
2871 * include/tr1/riemann_zeta.tcc: Likewise.
2873 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
2875 * doc/xml/manual/allocator.xml: Link to table documenting evolution
2876 of extension allocators.
2877 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
2878 Document new headers in 7.2, 8.1 and 9.1 releases.
2879 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
2880 * doc/html/*: Regenerate.
2882 2019-03-12 John David Anglin <dave.anglin@bell.net>
2885 * testsuite/lib/libstdc++.exp: Locate libatomic.
2886 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
2887 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
2889 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
2890 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
2891 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
2892 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
2894 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
2897 * configure.ac: Check for sockatmark.
2898 * crossconfig.m4: Check for sockatmark.
2899 * config.h.in: Regenerate.
2900 * configure: Regenerate.
2901 * include/experimental/internet (address_v4::_S_hton): Rename
2902 overloaded functions to _S_hton_16 and _S_ntoh_16.
2903 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
2904 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
2905 * include/experimental/socket (basic_socket::at_mark): Check
2906 _GLIBCXX_HAVE_SOCKATMARK.
2908 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
2909 const variables instead of macros.
2912 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
2913 Use correct type for len_aligned.
2914 * testsuite/20_util/hash/89629.cc: New test.
2916 2019-03-11 Jakub Jelinek <jakub@redhat.com>
2919 * include/std/atomic (atomic<T>::store, atomic<T>::load,
2920 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
2921 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
2922 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
2923 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
2924 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
2925 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
2926 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
2927 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
2928 memory_order_seq_cst to int.
2930 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
2932 * doc/xml/manual/using.xml: Use link element instead of xref.
2933 * doc/html/*: Regenerate.
2935 * include/bits/fs_path.h (path::format): Add fixed underlying type.
2937 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
2940 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
2941 parameters in deduction guides.
2942 * include/debug/multimap.h (multimap): Likewise.
2943 * include/debug/set.h (multimap): Likewise.
2944 * include/debug/multiset.h (multimap): Likewise.
2945 * include/debug/unordered_map (unordered_map): Likewise.
2946 (unordered_multimap): Likewise.
2947 * include/debug/unordered_set (unordered_set): Likewise.
2948 (unordered_multiset): Likewise.
2951 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
2952 Invalidate all iterators in case of rehash.
2953 (unordered_multimap<>::_M_check_rehashed): Likewise.
2954 * include/debug/unordered_set
2955 (unordered_set<>::_M_check_rehashed): Likewise.
2956 (unordered_multiset<>::_M_check_rehashed): Likewise.
2957 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
2959 2019-03-07 Andreas Schwab <schwab@suse.de>
2961 * config/abi/post/riscv64-linux-gnu: New directory.
2962 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
2964 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
2966 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
2967 compile test to run. Fix typo.
2969 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
2970 * doc/html/*: Regenerate.
2972 P0356R5 Simplified partial function application
2973 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
2974 helpers for bind_front.
2975 (bind_front, __cpp_lib_bind_front): Define.
2976 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
2978 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
2980 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
2981 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
2982 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
2983 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2985 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
2987 PR libstdc++/86655 - std::assoc_legendre should not constrain
2988 the value of m (or x).
2989 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
2990 __sph_legendre): If degree > order Don't throw, return 0.
2991 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
2992 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
2993 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
2994 * testsuite/tr1/5_numerical_facilities/special_functions/
2995 02_assoc_legendre/pr86655.cc: New test.
2996 * testsuite/tr1/5_numerical_facilities/special_functions/
2997 22_sph_legendre/pr86655.cc: New test.
2999 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
3002 Also PR libstdc++/85517
3003 * include/std/variant (__do_visit): New.
3004 (__variant_cast): Likewise.
3005 (__variant_cookie): Likewise.
3006 (__erased_*): Remove.
3007 (_Variant_storage::_S_vtable): Likewise.
3008 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
3009 (_Variant_storage::__M_reset): Adjust.
3010 (__variant_construct): New.
3011 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
3012 __variant_construct.
3013 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
3014 (_Move_ctor_base::__M_destructive_copy): New.
3015 (_Move_ctor_base::__M_destructive_move): Adjust to use
3016 __variant_construct.
3017 (_Copy_assign_base::operator=): Adjust to use __do_visit.
3018 (_Copy_assign_alias): Adjust to check both copy assignment
3019 and copy construction for triviality.
3020 (_Move_assign_base::operator=): Adjust to use __do_visit.
3021 (_Multi_array): Add support for visitors that accept and return
3023 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
3024 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
3025 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
3026 a __variant_cookie temporary for a variant that is valueless and..
3027 (__gen_vtable_impl::__visit_invoke): ..adjust here.
3028 (__gen_vtable::_Array_type): Conditionally make space for
3029 the __variant_cookie visitor case.
3030 (__variant_construct_by_index): New.
3031 (get_if): Adjust to use std::addressof.
3032 (relops): Adjust to use __do_visit.
3033 (variant): Add __variant_cast and __variant_construct_by_index
3035 (variant::emplace): Use _M_reset() and __variant_construct_by_index
3036 instead of self-destruction.
3037 (variant::swap): Adjust to use __do_visit.
3038 (visit): Reimplement in terms of __do_visit.
3039 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
3040 * testsuite/20_util/variant/compile.cc: Adjust.
3041 * testsuite/20_util/variant/run.cc: Likewise.
3043 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
3045 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
3047 * testsuite/experimental/feat-char8_t.cc: Likewise.
3049 * include/std/type_traits [C++20] (is_bounded_array)
3050 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
3052 * testsuite/20_util/is_bounded_array/requirements/
3053 explicit_instantiation.cc: New test.
3054 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
3056 * testsuite/20_util/is_bounded_array/value.cc: New test.
3057 * testsuite/20_util/is_unbounded_array/requirements/
3058 explicit_instantiation.cc: New test.
3059 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
3061 * testsuite/20_util/is_unbounded_array/value.cc: New test.
3063 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
3065 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
3067 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
3069 * include/c_compatibility/math.h [C++20] (lerp): Add using
3071 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
3072 (__lerp): Define function template to implement lerp.
3073 (lerp(float, float, float), lerp(double, double, double))
3074 (lerp(long double, long double, long double)): Define for C++20.
3075 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
3076 (midpoint(T, T), midpoint(T*, T*)): Define.
3077 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
3078 * testsuite/26_numerics/lerp.cc: New test.
3079 * testsuite/26_numerics/midpoint/floating.cc: New test.
3080 * testsuite/26_numerics/midpoint/integral.cc: New test.
3081 * testsuite/26_numerics/midpoint/pointer.cc: New test.
3083 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
3085 PR libstdc++/88996 Implement P0439R0
3086 Make std::memory_order a scoped enumeration.
3087 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
3088 add variables for the old enumerators. Adjust calls.
3089 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
3090 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
3092 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
3094 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
3097 * include/std/memory_resource (polymorphic_allocator): Add default
3098 template argument for C++20.
3099 (polymorphic_allocator::allocate_bytes)
3100 (polymorphic_allocator::deallocate_bytes)
3101 (polymorphic_allocator::allocate_object)
3102 (polymorphic_allocator::deallocate_object)
3103 (polymorphic_allocator::new_object)
3104 (polymorphic_allocator::delete_object): New member functions for
3106 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
3109 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
3112 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
3115 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
3117 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
3118 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
3120 * include/std/memory (uses_allocator_construction_args): New set of
3121 overloaded functions.
3122 (make_obj_using_allocator, uninitialized_construct_using_allocator):
3124 * include/std/memory_resource (polymorphic_allocator::construct)
3125 [__cplusplus > 201703l]: Replace all overloads with a single function
3126 using uses_allocator_construction_args.
3127 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
3129 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
3131 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
3134 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
3135 stylesheet directories before check for xsltproc. Try to use
3136 xmlcatalog to find local stylesheet directory before trying hardcoded
3137 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
3138 check to look for the same stylesheet as doc/Makefile.am uses. Don't
3139 use xsltproc if xmlcatalog fails to find a local stylesheet.
3140 * configure.ac: Check for xmlcatalog.
3141 * Makefile.in: Regenerate.
3142 * configure: Likewise.
3143 * doc/Makefile.in: Likewise.
3144 * include/Makefile.in: Likewise.
3145 * libsupc++/Makefile.in: Likewise.
3146 * po/Makefile.in: Likewise.
3147 * python/Makefile.in: Likewise.
3148 * src/Makefile.in: Likewise.
3149 * src/c++11/Makefile.in: Likewise.
3150 * src/c++17/Makefile.in: Likewise.
3151 * src/c++98/Makefile.in: Likewise.
3152 * src/filesystem/Makefile.in: Likewise.
3153 * testsuite/Makefile.in: Likewise.
3155 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
3158 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
3159 container deduction guides.
3160 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
3161 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
3162 parameters in deduction guides.
3163 * include/bits/stl_multimap.h (multimap): Likewise.
3164 * include/bits/stl_multiset.h (multiset): Likewise.
3165 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
3166 * include/bits/stl_set.h (set): Likewise.
3167 * include/bits/stl_stack.h (stack): Likewise.
3168 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
3169 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
3170 constrain parameters in deduction guides.
3171 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
3173 * testsuite/23_containers/map/cons/deduction.cc: Test additional
3175 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
3176 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
3177 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
3178 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
3180 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
3182 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
3185 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
3186 to class template and partial specialization using void_t.
3187 (__is_copy_insertable, __is_move_insertable): Adjust base class.
3189 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
3192 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
3193 copy and move members public.
3195 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
3197 * include/std/type_traits (__underlying_type_impl): New helper to
3198 make underlying_type SFINAE-friendly.
3199 (underlying_type): Derive from __underlying_type_impl.
3200 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
3204 * include/bits/char_traits.h (__constant_char_array): Check index is
3205 in range before dereferencing.
3206 (char_traits<char>::compare, char_traits<char>::find)
3207 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
3208 immediately if n is zero.
3209 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
3210 Remove workarounds for PR 67026.
3211 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
3213 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
3216 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
3218 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
3219 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
3221 2019-02-22 Jakub Jelinek <jakub@redhat.com>
3224 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
3225 type to std::size_t and argument to type to long double.
3227 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
3229 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
3230 * config/abi/post/sparc64-linux-gnu: New directory.
3231 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
3232 * config/abi/post/sparc64-linux-gnu/32: New directory.
3233 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
3235 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
3237 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
3238 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
3241 2019-02-22 Tom Honermann <tom@honermann.net>
3243 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
3244 printers for u8string and u8string_view.
3246 2019-02-22 Tom Honermann <tom@honermann.net>
3248 * testsuite/18_support/byte/ops.cc: Validate
3249 std::to_integer<char8_t>, std::to_integer<char16_t>, and
3250 std::to_integer<char32_t>.
3251 * testsuite/18_support/numeric_limits/dr559.cc: Validate
3252 std::numeric_limits<char8_t>.
3253 * testsuite/18_support/numeric_limits/lowest.cc: Validate
3254 std::numeric_limits<char8_t>::lowest().
3255 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
3256 std::numeric_limits<char8_t>::max_digits10.
3257 * testsuite/18_support/type_info/fundamental.cc: Validate
3258 typeinfo for char8_t.
3259 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
3260 std::from_chars with char8_t.
3261 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
3262 Validate explicit instantiation of std::hash<char8_t>.
3263 * testsuite/20_util/is_integral/value.cc: Validate
3264 std::is_integral<char8_t>.
3265 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
3266 Validate std::make_signed<char8_t>.
3267 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
3268 Validate u8string construction from char8_t sources.
3269 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
3271 * testsuite/21_strings/basic_string_view/operations/compare/
3272 char/70483.cc: Validate substr operations on u8string_view.
3273 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
3274 the u8string_view typedef is defined.
3275 * testsuite/21_strings/char_traits/requirements/
3276 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
3278 * testsuite/21_strings/char_traits/requirements/
3279 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
3280 constexpr member functions.
3281 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
3282 that the u8string typedef is defined.
3283 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
3284 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
3285 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
3286 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
3288 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
3289 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
3291 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
3292 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
3293 Validate std::atomic<char8_t>::is_always_lock_free
3294 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
3295 Update line numbers.
3296 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
3298 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
3300 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
3301 Validate std::experimental::pmr::u8string.
3302 * testsuite/experimental/string_view/typedefs.cc: Validate that the
3303 u8string_view typedef is defined.
3304 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
3305 char32_t to the typelists.
3307 2019-02-22 Tom Honermann <tom@honermann.net>
3309 * include/ext/typelist.h: Constrain a partial specialization of
3310 typelist::detail::append_ to only match chain<T1,T2>.
3312 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
3315 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
3316 class template with class. Replace move and copy member types with
3317 member alias templates, so they are only instantiated when needed.
3318 (__is_copy_insertable, __is_move_insertable): Adjust base class.
3319 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
3320 test for C++11/14/17 as well.
3321 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
3324 2019-02-20 Jakub Jelinek <jakub@redhat.com>
3327 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
3328 _GLIBCXX_PURE to the alias declaration.
3330 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
3332 * testsuite/21_strings/basic_string/literals/types.cc
3333 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
3334 * testsuite/21_strings/basic_string/literals/values.cc
3335 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3336 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
3337 potentially having different type.
3338 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
3339 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
3341 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
3342 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
3343 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
3344 string literals only using basic character set.
3345 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
3346 u8 literals to char.
3347 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
3348 Test ATOMIC_CHAR8_T_LOCK_FREE.
3349 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
3350 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
3351 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
3352 * testsuite/experimental/string_view/literals/types.cc
3353 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
3355 * testsuite/experimental/string_view/literals/values.cc
3356 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3358 2019-02-19 Tom Honermann <tom@honermann.net>
3360 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
3361 from char16_32_t.cc; validates numeric_limits<char8_t>.
3362 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
3363 test cloned from types.cc; validates operator""s for char8_t
3365 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
3366 test cloned from values.cc; validates construction and comparison
3368 * testsuite/21_strings/basic_string/requirements/
3369 /explicit_instantiation/char8_t/1.cc: New test cloned from
3370 char16_t/1.cc; validates explicit instantiation of
3371 basic_string<char8_t>.
3372 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
3373 New test cloned from types.cc; validates operator""sv for char8_t
3374 returns u8string_view.
3375 * testsuite/21_strings/basic_string_view/literals/
3376 values-char8_t.cc: New test cloned from values.cc; validates
3377 construction and comparison of u8string_view values.
3378 * testsuite/21_strings/basic_string_view/requirements/
3379 explicit_instantiation/char8_t/1.cc: New test cloned from
3380 char16_t/1.cc; validates explicit instantiation of
3381 basic_string_view<char8_t>.
3382 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
3383 New test cloned from char16_t/65049.cc; validates that
3384 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
3385 * testsuite/21_strings/char_traits/requirements/char8_t/
3386 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
3387 that char_traits<char8_t> member typedefs are present and correct.
3388 * testsuite/21_strings/char_traits/requirements/
3389 explicit_instantiation/char8_t/1.cc: New test cloned from
3390 char16_t/1.cc; validates explicit instantiation of
3391 char_traits<char8_t>.
3392 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
3393 from char16_t.cc: validates
3394 codecvt<char16_t, char8_t, mbstate_t>.
3395 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
3396 from char32_t.cc: validates
3397 codecvt<char32_t, char8_t, mbstate_t>.
3398 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
3399 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
3400 codecvt<char32_t, char8_t, std::mbstate_t>.
3401 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
3402 test cloned from string.cc; validates filesystem::path construction
3404 * testsuite/experimental/feat-char8_t.cc: New test; validates that
3405 the __cpp_lib_char8_t feature test macro is defined with the
3407 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3408 New test cloned from string.cc; validates filesystem::path
3409 construction from char8_t input.
3410 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
3411 test cloned from types.cc; validates operator""sv for char8_t
3412 returns u8string_view.
3413 * testsuite/experimental/string_view/literals/values-char8_t.cc:
3414 New test cloned from values.cc; validates construction and
3415 comparison of u8string_view values.
3416 * testsuite/experimental/string_view/requirements/
3417 explicit_instantiation/char8_t/1.cc: New test cloned from
3418 char16_t/1.cc; validates explicit instantiation of
3419 basic_string_view<char8_t>.
3420 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
3421 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
3424 2019-02-19 Tom Honermann <tom@honermann.net>
3426 P0482R5 char8_t: Standard library support
3427 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
3428 typeinfo symbols for char8_t.
3429 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
3430 (GLIBCXX_3.4.26): Add symbols for specializations of
3431 numeric_limits and codecvt that involve char8_t.
3432 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
3433 * include/bits/atomic_base.h: Add atomic_char8_t.
3434 * include/bits/basic_string.h: Add std::hash<u8string> and
3435 operator""s(const char8_t*, size_t).
3436 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
3438 * include/bits/char_traits.h: Add char_traits<char8_t>.
3439 * include/bits/codecvt.h: Add
3440 codecvt<char16_t, char8_t, mbstate_t>,
3441 codecvt<char32_t, char8_t, mbstate_t>,
3442 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3443 codecvt_byname<char32_t, char8_t, mbstate_t>.
3444 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
3445 recognize char8_t as an integral type.
3446 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
3448 (path::u8string): Return std::u8string when char8_t support is
3450 (path::generic_u8string): Likewise.
3451 (path::_S_convert): Handle conversion from char8_t input.
3452 (path::_S_str_convert): Likewise.
3453 * include/bits/functional_hash.h: Add hash<char8_t>.
3454 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
3456 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
3457 for new char8_t specializations.
3458 * include/bits/localefwd.h: Add missing declarations of
3459 codecvt<char16_t, char, mbstate_t> and
3460 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
3461 codecvt<char16_t, char8_t, mbstate_t> and
3462 codecvt<char32_t, char8_t, mbstate_t>.
3463 * include/bits/postypes.h: Add u8streampos
3464 * include/bits/stringfwd.h: Add declarations of
3465 char_traits<char8_t> and u8string.
3466 * include/c_global/cstddef: Add __byte_operand<char8_t>.
3467 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3469 (path::u8string): Return std::u8string when char8_t support is
3471 (path::generic_u8string): Likewise.
3472 (path::_S_convert): Handle conversion from char8_t input.
3473 (path::_S_str_convert): Likewise.
3474 * include/experimental/string: Add u8string.
3475 * include/experimental/string_view: Add u8string_view,
3476 hash<experimental::u8string_view>, and
3477 operator""sv(const char8_t*, size_t).
3478 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
3479 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
3480 as a character type.
3481 * include/std/limits: Add numeric_limits<char8_t>.
3482 * include/std/string_view: Add u8string_view,
3483 hash<experimental::u8string_view>, and
3484 operator""sv(const char8_t*, size_t).
3485 * include/std/type_traits: Add __is_integral_helper<char8_t>,
3486 __make_unsigned<char8_t>, and __make_signed<char8_t>.
3487 * libsupc++/atomic_lockfree_defines.h: Define
3488 ATOMIC_CHAR8_T_LOCK_FREE.
3489 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
3490 codecvt.cc and limits.cc so that char8_t specializations of
3491 numeric_limits and codecvt and emitted.
3492 * src/c++11/Makefile.in: Likewise.
3493 * src/c++11/codecvt.cc: Define members of
3494 codecvt<char16_t, char8_t, mbstate_t>,
3495 codecvt<char32_t, char8_t, mbstate_t>,
3496 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3497 codecvt_byname<char32_t, char8_t, mbstate_t>.
3498 * src/c++11/limits.cc: Define members of
3499 numeric_limits<char8_t>.
3500 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
3501 locale_init.cc and localename.cc.
3502 * src/c++98/Makefile.in: Likewise.
3503 * src/c++98/locale_init.cc: Add initialization for the
3504 codecvt<char16_t, char8_t, mbstate_t> and
3505 codecvt<char32_t, char8_t, mbstate_t> facets.
3506 * src/c++98/localename.cc: Likewise.
3507 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
3509 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
3511 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
3512 * 27_io/filesystem/operations/resize_file.cc: Likewise.
3513 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
3515 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
3517 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
3518 * doc/html/*: Regenerate.
3520 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
3521 * doc/html/*: Regenerate.
3523 * doc/xml/manual/intro.xml: Document LWG 2586 status.
3524 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
3525 allocator type in is_constructible checks.
3526 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
3527 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
3528 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
3529 problematic type from LWG 2586 discussion.
3530 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
3531 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
3533 * configure.ac: Check for C11 timespec_get function.
3534 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
3536 * config.h.in: Regenerate.
3537 * configure: Regenerate.
3538 * include/c_global/ctime (timespec, timespec_get): Add to namespace
3539 std for C++17 and up.
3541 * doc/xml/manual/intro.xml: Document LWG 2537 status.
3542 * include/bits/stl_queue.h
3543 (priority_queue(const Compare&, const Container&, const Alloc&))
3544 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
3546 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
3548 * doc/xml/manual/intro.xml: Document LWG 2566 status.
3549 * include/bits/stl_queue.h (queue, priority_queue): Add static
3550 assertions to enforce LWG 2566 requirement on value_type.
3551 * include/bits/stl_stack.h (stack): Likewise.
3554 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
3556 * doc/xml/manual/intro.xml: Document LWG 2735 status.
3557 * include/bits/std_abs.h: Add comment about LWG 2735.
3558 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
3560 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
3563 * include/std/version [__cpp_impl_destroying_delete]
3564 (__cpp_lib_destroying_delete): Only define for C++2a and later.
3565 * libsupc++/new [__cpp_impl_destroying_delete]
3566 (__cpp_lib_destroying_delete): Likewise.
3567 (destroying_delete_t, destroying_delete): Likewise, but define even
3568 when __cpp_impl_destroying_delete is not defined.
3569 * testsuite/18_support/destroying_delete.cc: New test.
3571 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
3574 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
3575 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
3576 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
3577 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
3579 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
3582 * include/bits/fs_path.h (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::has_stem, path::has_extension)
3586 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
3588 * src/c++17/fs_path.cc (path::has_root_name)
3589 (path::has_root_directory, path::has_root_path)
3590 (path::has_relative_path, path::has_parent_path)
3591 (path::has_filename, path::_M_find_extension): Add noexcept.
3593 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
3595 PR libstdc++/89102 (partial)
3596 * include/std/type_traits (common_type<>): Define.
3597 (common_type<T>): Derive from common_type<T, T>.
3598 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3599 Test zero-length template argument list.
3600 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3601 Test additional single argument cases.
3602 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3603 Adjust expected error.
3605 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
3608 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
3610 * include/bits/stl_stack.h (stack): Likewise.
3611 * testsuite/23_containers/priority_queue/deduction.cc: New test.
3612 * testsuite/23_containers/queue/deduction.cc: New test.
3613 * testsuite/23_containers/stack/deduction.cc: New test.
3616 * include/std/type_traits (__is_convertible_helper)
3617 (__is_convertible_helper<_From, _To, false>): Revert changes to
3618 support is_nothrow_convertible.
3619 (__is_nt_convertible_helper): New helper.
3620 (is_nothrow_convertible): Use __is_nt_convertible_helper.
3622 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
3623 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
3626 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
3627 __is_alloc_insertable_impl. Replace single type member with two
3628 members, one for each of copy and move insertable.
3629 (__is_move_insertable): New trait for internal use.
3630 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
3631 (vector::_S_nothrow_relocate(true_type)): New functions to
3632 conditionally check if __relocate_a can throw.
3633 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
3634 on __is_move_insertable.
3635 (vector::_S_do_relocate): New overloaded functions to conditionally
3637 (vector::_S_relocate): New function that dispatches to _S_do_relocate
3638 based on _S_use_relocate.
3639 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3640 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
3641 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
3644 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
3645 parameter unnamed. Add message to static assertion.
3646 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3647 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
3650 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
3653 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
3655 (__is_bitwise_relocatable): ... to this.
3656 (__relocate_a_1): Adapt.
3657 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
3658 (__is_bitwise_relocatable): ... to this.
3660 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
3663 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
3664 final component as well as from _M_pathname. Append the dot using
3665 operator+= instead of only to _M_pathname.
3666 (path::_M_find_extension): Reformat slightly.
3667 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
3668 Add more test cases.
3670 2019-01-30 Ulrich Drepper <drepper@redhat.com>
3672 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
3674 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
3676 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
3677 constexpr specifiers from arg and proj.
3679 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
3680 __shared_ptr instantiations used by gcc4-compatible ABI.
3682 * include/experimental/forward_list (experimental::erase): Qualify
3684 * include/experimental/list (experimental::erase): Likewise.
3685 * include/std/forward_list (std::erase): Likewise.
3686 * include/std/list (std::erase): Likewise.
3688 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
3690 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
3691 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
3692 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
3693 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
3694 * testsuite/ext/array_allocator/26875.cc: Likewise.
3695 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
3696 * testsuite/util/replacement_memory_operators.h: Likewise.
3697 * testsuite/util/testsuite_allocator.h: Likewise.
3699 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
3700 normal mode vector, even for debug mode.
3701 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
3702 Define alias template for normal mode vector.
3704 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
3707 * config/locale/generic/c_locale.h (__convert_from_v)
3708 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3709 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3710 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
3711 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3713 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
3716 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
3717 data member with static member function _S_use_relocate().
3718 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3719 (vector::_M_default_append): Use _S_use_relocate() instead of
3722 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
3725 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
3728 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
3729 write to stderr instead of using printf.
3731 2019-01-21 Jakub Jelinek <jakub@redhat.com>
3734 * include/bits/char_traits.h (__constant_string_p,
3735 __constant_char_array_p): Use __builtin_is_constant_evaluated if
3738 2019-01-20 Ulrich Drepper <drepper@redhat.com>
3740 Implement C++20 P0600r1.
3741 * include/backward/hash_map: Add nodiscard attribute to empty.
3742 * include/backward/hash_set: Likewise.
3743 * backward/hashtable.h: Likewise.
3744 * include/bits/basic_string.h: Likewise.
3745 * include/bits/forward_list.h: Likewise.
3746 * include/bits/hashtable.h: Likewise.
3747 * include/bits/regex.h: Likewise.
3748 * include/bits/stl_deque.h: Likewise.
3749 * include/bits/stl_list.h: Likewise.
3750 * include/bits/stl_map.h: Likewise.
3751 * include/bits/stl_multimap.h: Likewise.
3752 * include/bits/stl_multiset.h: Likewise.
3753 * include/bits/stl_queue.h: Likewise.
3754 * include/bits/stl_set.h: Likewise.
3755 * include/bits/stl_stack.h: Likewise.
3756 * include/bits/stl_tree.h: Likewise.
3757 * include/bits/stl_vector.h: Likewise.
3758 * include/bits/unordered_map.h: Likewise.
3759 * include/bits/unordered_set.h: Likewise.
3760 * include/debug/array: Likewise.
3761 * include/experimental/any: Likewise.
3762 * include/experimental/bits/fs_path.h: Likewise.
3763 * include/experimental/internet: Likewise.
3764 * include/experimental/string_view: Likewise.
3765 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
3767 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
3769 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
3771 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
3773 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
3775 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
3777 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
3779 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
3781 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3782 info_fn_imps.hpp: Likewise.
3783 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3784 left_child_next_sibling_heap_.hpp: Likewise.
3785 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
3787 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
3789 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
3791 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
3793 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
3795 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
3797 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
3799 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
3800 * include/ext/pb_ds/trie_policy.hpp: Likewise.
3801 * include/ext/rope: Likewise.
3802 * include/ext/slist: Likewise.
3803 * include/ext/vstring.h: Likewise.
3804 * include/profile/array: Likewise.
3805 * include/std/array: Likewise.
3806 * include/tr1/array: Likewise.
3807 * include/tr1/hashtable.h: Likewise.
3808 * include/tr1/regex: Likewise.
3809 * include/tr2/dynamic_bitset: Likewise.
3810 * include/bits/alloc_traits.h: Add nodiscard attribute to
3812 * include/experimental/memory_resource: Likewise.
3813 * include/ext/alloc_traits.h: Likewise.
3814 * include/ext/array_allocator.h: Likewise.
3815 * include/ext/bitmap_allocator.h: Likewise.
3816 * include/ext/debug_allocator.h: Likewise.
3817 * include/ext/extptr_allocator.h: Likewise.
3818 * include/ext/mt_allocator.h: Likewise.
3819 * include/ext/new_allocator.h: Likewise.
3820 * include/ext/pool_allocator.h: Likewise.
3821 * include/ext/throw_allocator.h: Likewise.
3822 * include/std/scoped_allocator: Likewise.
3823 * libsupc++/eh_alloc.cc: Likewise.
3824 * include/std/future: Add nodiscard attribute to async.
3825 * libsupc++/new: Add nodiscard attribute to new.
3827 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
3832 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
3833 * include/bits/shared_ptr.h
3834 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
3835 (allocate_shared): Change to use new tag type.
3836 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
3837 Declare new member function.
3838 (_Sp_alloc_shared_tag): Define new type.
3839 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
3840 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
3841 _Sp_make_shared_tag::_S_eq to check type_info.
3842 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
3843 Constrain to prevent being called with _Sp_alloc_shared_tag.
3844 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
3845 Replace constructor with ...
3846 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
3847 reference parameter so address of the new object can be returned to
3848 the caller. Obtain the allocator from the tag type.
3849 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
3850 constructor with ...
3851 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
3852 to the __shared_count constructor.
3853 (__allocate_shared): Change to use new tag type.
3854 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
3856 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
3858 * src/c++17/fs_ops.cc
3859 (equivalent(const path&, const path&, error_code&))
3860 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
3861 compare files instead of relying on incomplete info returned by stat.
3864 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
3865 if the path is already absolute.
3866 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
3867 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
3870 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
3871 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
3872 of filesystem::exists.
3873 (create_directories(const path&, error_code&)): Add assertions.
3874 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
3875 Add workaround for bug in _wstat for paths with trailing slash.
3876 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
3877 for expected behaviour on mingw.
3878 * testsuite/experimental/filesystem/operations/create_directories.cc:
3880 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
3881 "TMP" instead of "TMPDIR" and clean environment before each test. Do
3882 not test permissions on mingw targets.
3884 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
3886 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
3887 constructors and open members taking wide strings. Fix patterns for
3888 filesystem::path members to match wstring_view parameters. Add
3889 exports for shared_ptr members used by directory iterators.
3890 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
3891 error code parameter if the file doesn't exist.
3892 * src/filesystem/ops.cc (remove(const path&, error_code&)):
3894 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
3895 values for mingw targets, where "/" is not an absolute path. Do not
3896 test symlinks on mingw targets.
3897 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3898 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
3900 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3901 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
3902 that each component of the path is created.
3903 * testsuite/experimental/filesystem/operations/create_directories.cc:
3905 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
3906 permissions on mingw targets.
3907 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3908 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
3909 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3910 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
3912 * testsuite/experimental/filesystem/operations/permissions.cc:
3914 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
3915 symlinks or permissions on mingw targets.
3916 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3917 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
3918 symlinks on mingw targets.
3919 * testsuite/experimental/filesystem/operations/remove_all.cc:
3921 * testsuite/27_io/filesystem/operations/status.cc: Do not test
3922 permissions on mingw targets.
3923 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
3924 test symlinks on mingw targets.
3925 * testsuite/experimental/filesystem/operations/space.cc: Fix test
3928 2019-02-14 Ulrich Drepper <drepper@redhat.com>
3931 Warn about unused comparisons of shared_ptr/unique_ptr
3932 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
3933 * include/bits/shared_ptr.h: Use it for operator ==, !=,
3934 <, <=, >, >= for shared_ptr.
3935 * include/bits/unique_ptr.h: Likewise for unique_ptr.
3937 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
3939 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
3940 as 201611L, because P0497R0 changes are supported.
3941 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
3943 * include/bits/erase_if.h [__cplusplus > 201703L]
3944 (__cpp_lib_erase_if): Only define for C++2a.
3945 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
3946 (__cpp_lib_null_iterators): Define.
3947 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
3948 (__cpp_lib_null_iterators): Define.
3949 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
3951 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
3953 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
3955 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
3956 changes are supported.
3957 * include/std/optional (__cpp_lib_optional): Likewise.
3958 * include/std/variant (__cpp_lib_variant): Likewise.
3959 * include/std/version [!__STRICT_ANSI__]
3960 (__cpp_lib_uncaught_exceptions): Define as long integer.
3961 [__cplusplus >= 201703L] (__cpp_lib_any)
3962 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
3963 (__cpp_lib_variant): Define for C++17.
3964 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
3966 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
3969 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
3971 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
3975 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
3977 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
3980 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
3982 * doc/xml/manual/intro.xml: Include new section.
3983 * doc/xml/manual/status_cxx2017.xml: Document more
3984 implementation-defined properties of the library.
3985 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
3986 * doc/html/*: Regenerate.
3988 * include/bits/refwrap.h [__cplusplus > 201703L]
3989 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
3990 (_Reference_wrapper_base_memfun): Do not define for C++2a.
3991 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
3993 (reference_wrapper::operator()): Add static assertion.
3994 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
3996 * include/std/chrono (duration_values::zero(), duration_values::min())
3997 (duration_values::max()): Add noexcept.
3998 (duration::zero(), duration::min(), duration::max()): Likewise.
3999 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
4000 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
4001 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
4003 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
4005 2019-01-11 Jakub Jelinek <jakub@redhat.com>
4007 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
4008 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
4010 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
4013 * include/bits/functional_hash.h (hash<nullptr_t>): Define
4014 specialization for C++17 (P0513R0, LWG 2817).
4015 * testsuite/20_util/hash/nullptr.cc: New test.
4018 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
4019 pattern for std::basic_stringbuf::str().
4021 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
4022 basic_ostream::operator<< patterns.
4024 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
4026 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
4027 test failures on targets with 32-bit time_t.
4029 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
4030 * include/std/deque: Likewise.
4031 * include/std/forward_list: Likewise.
4032 * include/std/list: Likewise.
4033 * include/std/string: Likewise.
4034 * include/std/vector: Likewise.
4035 * include/std/version: Likewise.
4036 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
4037 * testsuite/23_containers/deque/erasure.cc: Likewise.
4038 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
4039 * testsuite/23_containers/list/erasure.cc: Likewise.
4040 * testsuite/23_containers/map/erasure.cc: Likewise.
4041 * testsuite/23_containers/set/erasure.cc: Likewise.
4042 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
4043 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
4044 * testsuite/23_containers/vector/erasure.cc: Likewise.
4046 * include/experimental/internet [AI_NUMERICSERV]
4047 (resolver_base::numeric_service): Define conditionally.
4048 * testsuite/experimental/net/internet/resolver/base.cc: Test it
4050 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
4053 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
4054 Jonathan Wakely <jwakely@redhat.com>
4057 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
4058 (GLIBCXX_3.4.26): Add new exports.
4059 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
4060 correct list of sources.
4061 * include/Makefile.in: Regenerate.
4062 * include/std/ostream (operator<<(nullptr_t)): New member function.
4063 * src/c++17/ostream-inst.cc: New file.
4064 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
4067 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
4069 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
4070 of the source file containing the caller.
4071 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
4072 directories created by test.
4073 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4075 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4077 * testsuite/experimental/filesystem/iterators/
4078 recursive_directory_iterator.cc: Likewise.
4080 2019-01-10 Jakub Jelinek <jakub@redhat.com>
4082 PR tree-optimization/88775
4083 * include/bits/stl_function.h (greater<_Tp*>::operator(),
4084 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
4085 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
4086 instead of __builtin_constant_p if available. Don't bother with
4087 the pointer comparison in C++11 and earlier.
4089 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
4093 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
4096 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
4098 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
4099 for filesystem::path. Give variables more distinctive names.
4101 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
4102 member function to perform non-trivial assignment.
4103 (_Optional_payload_base::_M_move_assign): Likewise.
4104 (_Optional_payload<T, true, false, true>::operator=)
4105 (_Optional_payload<T, true, true, false>::operator=)
4106 (_Optional_payload<T, true, false, false>::operator=): Call
4107 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
4110 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
4111 test std::complex<long double> if long double format is IBM128.
4112 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
4115 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
4117 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
4118 for old std::unique_ptr layout.
4119 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
4120 to become valueless. Add filesystem::path tests.
4123 * include/std/optional (_Optional_payload_base): New class template
4124 for common code hoisted from _Optional_payload specializations. Use
4125 a template for the union, to allow a partial specialization for
4126 types with non-trivial destructors. Add constructors for in-place
4127 initialization to the union.
4128 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
4129 to perform non-trivial copy construction, instead of relying on
4130 non-standard copy elision in a delegating constructor.
4131 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
4132 non-trivial move construction.
4133 (_Optional_payload): Derive from _Optional_payload_base and use it
4134 for everything except the non-trivial assignment operators, which are
4136 (_Optional_payload<false, C, M>): Derive from the specialization
4137 _Optional_payload<true, false, false> and add a destructor.
4138 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
4139 Forward to corresponding members of _Optional_payload.
4140 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
4141 Hoist common members from _Optional_base.
4142 (_Optional_base): Make all members and base class public.
4143 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
4144 _Optional_base_impl.
4145 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
4146 support for new std::optional layout.
4147 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
4150 * include/bits/locale_conv.h: Use <> for includes not "".
4151 * include/ext/random: Likewise.
4152 * include/ext/vstring.h: Likewise.
4154 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4156 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
4157 (GLIBCXX_3.4.21): Likewise.
4159 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
4162 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
4163 to match the one that controls whether utimbuf and utime are declared.
4165 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
4168 * include/bits/char_traits.h (char_traits::move): Do not pass null
4169 pointers to memmove.
4170 * include/bits/locale_facets.h
4171 (ctype<char>::widen(const char*, const char*, char*)): Do not
4172 pass null pointers to memcpy.
4173 (ctype<char>::narrow(const char*, const char*, char, char*)):
4175 (ctype<char>::do_widen(const char*, const char*, char*)):
4177 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
4180 * doc/xml/manual/spine.xml: Update copyright years.
4181 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
4182 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
4183 for C++17 filesystem library.
4184 * doc/html/*: Regenerate.
4186 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
4187 * config.h.in: Regenerate.
4188 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
4189 alphabetically and add missing entries for copy_symlink,
4190 hard_link_count, rename, and resize_file.
4191 * configure: Regenerate.
4192 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
4193 used unconditionally.
4194 * src/filesystem/ops-common.h (__gnu_posix::truncate)
4195 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
4196 supports truncating to zero length.
4197 * testsuite/27_io/filesystem/operations/all.cc: New test.
4198 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
4200 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
4203 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
4204 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
4205 * config.h.in: Regenerate.
4206 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
4207 remaining std::filesystem types and functions.
4208 * configure: Regenerate.
4209 * src/c++17/Makefile.am: Add C++17 filesystem sources.
4210 * src/c++17/Makefile.in: Regenerate.
4211 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
4212 here, and change name of included file.
4213 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
4214 here, and change name of included file.
4215 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
4216 path to dir-common.h.
4217 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
4218 path to ops-common.h. Disable -Wunused-parameter warnings.
4219 (internal_file_clock): Define unconditionally.
4220 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
4222 (do_copy_file, do_space): Move definitions to ops.common.h.
4223 (copy, file_size, hard_link_count, last_write_time, space): Only
4224 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
4226 (last_write_time, read_symlink): Remove unused attributes from
4228 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
4229 * src/filesystem/Makefile.in: Regenerate.
4230 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
4231 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
4232 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
4233 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
4234 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
4235 dummy types and functions instead of using #error.
4236 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
4237 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
4239 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
4240 (do_copy_file, do_space): Move definitions here from std-ops.cc.
4241 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
4242 to account for new namespace.
4243 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
4244 -lstdc++fs from dg-options.
4245 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
4246 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
4247 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
4248 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
4249 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
4251 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
4252 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4254 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
4255 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
4256 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
4257 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
4258 * testsuite/27_io/filesystem/operations/create_directories.cc:
4260 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
4261 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
4262 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
4263 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
4264 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
4265 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
4266 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
4267 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
4268 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
4269 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
4270 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
4271 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
4272 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
4273 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
4274 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
4275 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
4276 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
4277 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
4279 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
4283 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
4284 typeinfo and vtables less greedy.
4285 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
4286 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
4287 * src/c++17/Makefile.in: Regenerate.
4288 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
4289 here, and change name of included file.
4290 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
4291 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
4293 * src/filesystem/Makefile.in: Regenerate.
4294 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
4295 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
4296 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
4297 from dg-options and remove dg-require-filesystem-ts.
4298 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
4299 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
4300 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
4301 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
4302 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
4303 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
4304 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
4305 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
4306 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
4307 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
4308 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
4309 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
4310 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
4311 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
4312 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
4313 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
4314 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
4315 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
4316 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
4317 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
4318 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
4320 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
4321 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
4322 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
4323 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
4324 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
4325 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
4326 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
4327 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
4328 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
4329 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
4330 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
4331 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
4333 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
4335 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4337 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
4339 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
4340 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4341 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
4342 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
4343 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
4344 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
4345 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
4346 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
4347 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
4348 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
4350 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
4351 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
4352 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
4353 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
4354 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
4357 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
4358 Check is_trivially_copyable instead of is_scalar.
4359 (variant::emplace<N, Args>(Args&&...)): If construction of the new
4360 contained value can throw and its type is trivially copyable then
4361 construct into a temporary variant and move from it, to provide the
4362 strong exception safety guarantee.
4363 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
4365 * testsuite/20_util/variant/87431.cc: New test.
4366 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
4367 conversion causes valueless state.
4370 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
4371 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
4372 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
4373 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
4374 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
4376 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
4378 * include/bits/fs_fwd.h (__file_clock): Define new clock.
4379 (file_time_type): Redefine in terms of __file_clock.
4380 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
4382 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
4384 (internal_file_lock): New helper type for accessing __file_clock.
4385 (do_copy_file): Use internal_file_lock to convert system time to
4387 (last_write_time(const path&, error_code&)): Likewise.
4388 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
4390 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
4392 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
4393 for const member functions of std::basic_string.
4394 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
4396 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
4397 Make non-standard constructor private.
4398 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
4400 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
4401 explicit instantiations for C++17 as well as earlier dialects.
4402 * src/c++17/Makefile.am: Add new source files.
4403 * src/c++17/Makefile.in: Regenerate.
4404 * src/c++17/cow-string-inst.cc: New file defining explicit
4405 instantiations for basic_string member functions added in C++17.
4406 * src/c++17/string-inst.cc: Likewise.
4408 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
4409 copy/move constructors for old std::basic_string.
4410 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
4411 (basic_string::reference, basic_string::const_reference): Define
4412 as plain references for C++11 and later.
4413 (basic_string::basic_string()): Put constructor body outside
4414 preprocessor conditional groups.
4415 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
4416 instead of copying it.
4417 (basic_string::basic_string(const basic_string&, const _Alloc&)):
4419 (basic_string::basic_string(basic_string&&, const _Alloc&)):
4421 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
4422 cases for old basic_string.
4423 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
4424 allocator-extended constructors unconditionally. Add extra members to
4425 allocator type when using old string ABI.
4426 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
4428 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
4430 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
4431 -fno-inline added to test flags.
4433 * testsuite/21_strings/basic_string/requirements/
4434 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
4436 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
4437 assertion failures with old std::string ABI.
4439 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
4441 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
4442 functions that will only erase elements at the end.
4443 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
4444 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
4445 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
4447 (path::_List::pop_back()): Define.
4448 (path::_List::_M_erase_from(const_iterator)): Define.
4449 (path::operator/=(const path&)): Use pop_back to remove last component
4450 and _M_erase_from to remove multiple components.
4451 (path::_M_append(basic_string_view<value_type>)): Likewise.
4452 (path::operator+=(const path&)): Likewise.
4453 (path::_M_concat(basic_string_view<value_type>)): Likewise.
4454 (path::remove_filename()): Likewise.
4455 (path::lexically_normal()): Use _List::_Impl iterators instead of
4456 path::iterator. Use pop_back to remove components from the end. Clear
4457 trailing filename, instead of using erase(const_iterator) to remove
4458 a non-final component.
4459 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
4461 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
4463 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
4464 incorrect treatment of empty filename after trailing slash.
4465 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
4467 * testsuite/21_strings/basic_string/modifiers/assign/char/
4468 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
4470 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
4471 move_assign_optim.cc: Likewise.
4473 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4474 Jakub Jelinek <jakub@redhat.com>
4477 * include/experimental/memory: Replace UTF-8 quote characters.
4478 * include/std/future: Replace UTF-8 "em dash" characters.
4480 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4483 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
4484 * include/debug/forward_list: Likewise.
4485 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
4487 * include/experimental/chrono: Likewise.
4488 * include/experimental/functional: Likewise.
4489 * include/experimental/ratio: Likewise.
4490 * include/experimental/system_error: Likewise.
4491 * include/experimental/tuple: Likewise.
4492 * include/experimental/type_traits: Likewise.
4493 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
4494 * include/parallel/multiseq_selection.h: Likewise.
4497 * config/abi/pre/gnu.ver: Add missing exports.
4498 * testsuite/22_locale/collate_byname/88681.cc: New test.
4499 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
4500 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
4502 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
4504 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
4505 initializer_list<value_type> and from input iterator ranges.
4506 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
4508 * testsuite/experimental/string_view/element_access/char/empty.cc:
4509 Fix year range in copyright header.
4511 2019-01-02 Joel Brobecker <brobecker@adacore.com>
4513 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
4514 Fix year range in copyright header.
4516 2019-01-01 Jakub Jelinek <jakub@redhat.com>
4518 Update copyright years.
4520 Copyright (C) 2019 Free Software Foundation, Inc.
4522 Copying and distribution of this file, with or without modification,
4523 are permitted in any medium without royalty provided the copyright
4524 notice and this notice are preserved.