1 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
3 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
5 * include/experimental/string_view (__detail::__idt): Remove.
6 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
7 Use __type_identity_t instead of __detail::__idt;
8 * include/std/string_view (__detail::__idt): Remove.
9 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
10 Use __type_identity_t instead of __detail::__idt;
11 * include/std/type_traits (__type_identity_t): New alias template.
13 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
14 and floating point atomics.
16 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
18 * doc/xml/manual/configure.xml: Improve documentation of
19 --enable-libstdcxx-time option.
21 * include/bits/atomic_base.h (__atomic_impl): New namespace for
22 wrappers around atomic built-ins.
23 (__atomic_float, __atomic_ref): New class templates for use as base
25 * include/std/atomic (atomic<float>, atomic<double>)
26 (atomic<long double>): New explicit specializations.
27 (atomic_ref): New class template.
28 (__cpp_lib_atomic_ref): Define.
29 * include/std/version (__cpp_lib_atomic_ref): Define.
30 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
31 * testsuite/29_atomics/atomic_float/1.cc: New test.
32 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
33 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
34 * testsuite/29_atomics/atomic_ref/float.cc: New test.
35 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
36 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
37 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
38 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
40 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
42 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
43 throw() with _GLIBCXX_NOTHROW.
44 (__atomic_add_dispatch): Return after performing atomic increment.
46 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
48 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
49 (__exchange_and_add): Replace static specifier with always_inline
51 (__exchange_and_add_single, __atomic_add_single): Likewise.
52 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
53 combine !__gthread_active_p() and !__GTHREADS branches.
55 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
58 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
59 * configure: Regenerate.
60 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
62 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
63 * testsuite/util/testsuite_abi.cc: Add new symbol version.
65 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
67 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
68 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
69 instead of __is_identifier to detect Clang support.
71 2019-07-02 Jim Wilson <jimw@sifive.com>
73 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
75 * configure: Regenerate.
77 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
80 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
81 for the what_arg parameters.
82 (filesystem_error::filesystem_error): Pass system_error::what() to
83 the _Impl constructor.
84 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
85 filesystem_error::what() contains system_error::what().
87 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
89 * include/std/charconv (chars_format): Define bitmask type.
90 * testsuite/20_util/to_chars/chars_format.cc: New test.
92 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
93 * include/std/bit (_If_is_unsigned_integer_type): Remove.
94 (_If_is_unsigned_integer): Use __is_unsigned_integer.
95 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
96 (countl_one(byte), countr_zero(byte), countr_one(byte))
97 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
98 (log2p1(byte)): Remove.
99 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
100 (__detail::__is_int_to_chars_type): Remove.
101 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
102 and __is_unsigned_integer.
103 * include/std/type_traits (__is_one_of): Move here from <charconv>.
104 (__is_signed_integer, __is_unsigned_integer): New helpers.
105 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
107 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
108 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
109 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
110 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
111 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
112 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
113 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
114 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
115 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
116 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
118 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
120 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
123 2019-06-25 Jakub Jelinek <jakub@redhat.com>
125 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
126 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
127 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
128 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
130 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
132 * include/std/numeric (midpoint(T, T)): Change implementation for
133 floating-point types to avoid incorrect rounding of denormals.
134 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
135 rounding with denormals.
136 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
137 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
139 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
141 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
143 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
145 * configure: Regenerate.
147 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
148 Qualify calls to __never_valueless.
150 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
153 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
154 vector<bool> for test.
155 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
157 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
159 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
161 (istream_iterator::_M_read()): Do not check stream state before
162 attempting extraction. Set stream pointer to null when extraction
164 (operator==(const istream_iterator&, const istream_iterator&)): Change
165 to be a hidden friend of istream_iterator.
166 (operator!=(const istream_iterator&, const istream_iterator&)):
168 (ostream_iterator::ostream_iterator()): Add default constructor.
169 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
171 * testsuite/24_iterators/istream_iterator/1.cc: New test.
172 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
173 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
174 constructor taking a string.
175 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
178 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
179 Jonathan Wakely <jwakely@redhat.com>
182 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
183 values of type bool for vector<bool> elements.
184 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
185 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
187 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
189 PR libstdc++/90920 partially revert r263433
190 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
191 (rotate): Remove checks.
192 * testsuite/25_algorithms/rotate/90920.cc: New test.
194 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
195 category used in invocable check.
196 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
197 * testsuite/26_numerics/reduce/2.cc: New test.
199 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
201 * include/bits/algorithmfwd.h: Change title of doc group.
202 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
204 * include/bits/stl_numeric.h: Define doc group and add algos to it.
205 * include/std/numeric (__is_random_access_iter): New internal trait.
206 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
207 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
208 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
209 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
210 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
211 * testsuite/26_numerics/reduce/1.cc: New test.
212 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
213 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
214 * testsuite/26_numerics/transform_reduce/1.cc: New test.
215 * testsuite/util/testsuite_iterators.h (test_container::size()): New
218 * include/c_global/cstddef (std::byte): Perform arithmetic operations
219 in unsigned int to avoid promotion (LWG 2950).
221 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
223 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
226 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
228 PR libstdc++/90281 Fix string conversions for filesystem::path
229 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
230 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
231 __str_codecvt_in_all to fail for partial conversions and throw on
233 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
234 (path::_Cvt<char8_t>): Add explicit specialization.
235 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
237 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
238 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
239 instead of codecvt_utf8. Use __str_codecvt_in_all and
240 __str_codecvt_out_all.
241 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
242 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
243 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
244 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
245 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
246 after converting to UTF-8.
247 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
248 __str_codecvt_in_all.
249 (path::string): Fix initialization of string types with different
251 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
252 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
253 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
255 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
256 return false for partial conversions.
257 * include/experimental/bits/fs_path.h (u8path):
258 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
259 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
260 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
261 instead of codecvt_utf8. Use __str_codecvt_in_all and
262 __str_codecvt_out_all.
263 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
264 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
265 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
266 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
267 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
268 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
269 __str_codecvt_in_all.
270 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
271 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
272 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
273 __str_codecvt_in_all.
274 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
275 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
276 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
277 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
278 strings and with Unicode characters outside the basic multilingual
280 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
281 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
282 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
283 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
284 * testsuite/experimental/filesystem/path/native/string.cc: Test with
285 empty strings and with Unicode characters outside the basic
288 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
289 Jonathan Wakely <jwakely@redhat.com>
291 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
292 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
293 deallocate node if insertion fails.
294 (_Hashtable::_M_insert_multi_node): Likewise.
295 (_Hashtable::_M_reinsert_node): Pass additional key argument.
296 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
297 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
298 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
299 (_Hashtable::extract(const _Key&)): Likewise.
300 (_Hashtable::_M_merge_unique): Pass additional key argument.
301 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
303 (_Hashtable::_M_insert): Likewise.
304 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
305 (_Hashtable_alloc): Add comments to functions with misleading names.
307 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
309 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
311 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
312 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
313 header for std::allocator.
314 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
315 using-declaration for std::size_t.
316 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
318 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
320 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
321 * testsuite/experimental/map/erasure.cc: Include <string> for
323 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
325 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
327 * include/experimental/type_traits (experimental::nonesuch): Use
328 pragma to disable -Wctor-dtor-privacy warnings.
329 * include/std/type_traits (__is_convertible_helper<From, To, false>)
330 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
332 * include/std/version (__cpp_lib_bind_front): Add missing macro.
334 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
336 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
337 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
338 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
339 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
341 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
342 (variant::emplace): Change static_assert messages from "should be"
344 (hash<monostate>::operator()): Remove name of unused parameter.
346 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
349 * include/Makefile.am: Add new <bits/charconv.h> header.
350 * include/Makefile.in: Regenerate.
351 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
352 (to_string(long), to_string(unsigned long), to_string(long long))
353 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
354 * include/bits/charconv.h: New header.
355 (__detail::__to_chars_len): Move here from <charconv>.
356 (__detail::__to_chars_10_impl): New function extracted from
357 __detail::__to_chars_10.
358 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
359 (__to_chars_unsigned_type): New class template that reuses
360 __make_unsigned_selector_base::__select to pick a type.
361 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
362 (__detail::__to_chars_len): Move to new header.
363 (__detail::__to_chars_10): Add inline specifier. Move code doing the
364 output to __detail::__to_chars_10_impl and call that.
365 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
366 * testsuite/21_strings/basic_string/numeric_conversions/char/
367 to_string.cc: Fix reference in comment. Remove unused variable.
368 * testsuite/21_strings/basic_string/numeric_conversions/char/
369 to_string_int.cc: New test.
371 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
373 Fix ConstexprIterator requirements tests - No constexpr algorithms!
374 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
375 Replace copy with hand-rolled loop.
376 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
379 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
381 Test for C++20 p0858 - ConstexprIterator requirements.
382 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
384 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
387 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
389 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
391 * include/bits/c++config: Rename all macros of the form __PSTL* to
393 * include/std/algorithm: Likewise.
394 * include/std/execution: Likewise.
395 * include/std/numeric: Likewise.
396 * include/std/memory: Likewise.
397 * include/pstl/glue_memory_impl.h: Likewise.
398 * include/pstl/numeric_impl.h: Likewise.
399 * include/pstl/glue_memory_defs.h: Likewise.
400 * include/pstl/execution_defs.h: Likewise.
401 * include/pstl/utils.h: Likewise.
402 * include/pstl/algorithm_fwd.h: Likewise.
403 * include/pstl/unseq_backend_simd.h: Likewise.
404 * include/pstl/glue_execution_defs.h: Likewise.
405 * include/pstl/algorithm_impl.h: Likewise.
406 * include/pstl/parallel_impl.h: Likewise.
407 * include/pstl/memory_impl.h: Likewise.
408 * include/pstl/glue_numeric_defs.h: Likewise.
409 * include/pstl/parallel_backend_utils.h: Likewise.
410 * include/pstl/glue_algorithm_defs.h: Likewise.
411 * include/pstl/parallel_backend.h: Likewise.
412 * include/pstl/glue_numeric_impl.h: Likewise.
413 * include/pstl/parallel_backend_tbb.h: Likewise.
414 * include/pstl/numeric_fwd.h: Likewise.
415 * include/pstl/glue_algorithm_impl.h: Likewise.
416 * include/pstl/execution_impl.h: Likewise.
417 * include/pstl/pstl_config.h: Likewise.
418 * testsuite/util/pstl/pstl_test_config.h: Likewise.
419 * testsuite/util/pstl/test_utils.h: Likewise.
420 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
422 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
424 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
426 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
427 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
428 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
429 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
430 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
432 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
433 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
434 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
435 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
436 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
438 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
439 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
440 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
441 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
442 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
444 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
445 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
446 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
448 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
450 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
451 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
452 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
454 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
456 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
458 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
460 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
462 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
464 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
466 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
468 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
470 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
472 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
474 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
476 Rename header guards to be consistent with upstream project's
478 * include/pstl/glue_memory_impl.h: Rename all macros of the form
479 _PSTL_(.*)_H to _PSTL_\U\1_H.
480 * include/pstl/numeric_impl.h: Likewise.
481 * include/pstl/glue_memory_defs.h: Likewise.
482 * include/pstl/execution_defs.h: Likewise.
483 * include/pstl/utils.h: Likewise.
484 * include/pstl/algorithm_fwd.h: Likewise.
485 * include/pstl/unseq_backend_simd.h: Likewise.
486 * include/pstl/glue_execution_defs.h: Likewise.
487 * include/pstl/algorithm_impl.h: Likewise.
488 * include/pstl/parallel_impl.h: Likewise.
489 * include/pstl/memory_impl.h: Likewise.
490 * include/pstl/glue_numeric_defs.h: Likewise.
491 * include/pstl/parallel_backend_utils.h: Likewise.
492 * include/pstl/glue_algorithm_defs.h: Likewise.
493 * include/pstl/parallel_backend.h: Likewise.
494 * include/pstl/glue_numeric_impl.h: Likewise.
495 * include/pstl/parallel_backend_tbb.h: Likewise.
496 * include/pstl/numeric_fwd.h: Likewise.
497 * include/pstl/glue_algorithm_impl.h: Likewise.
498 * include/pstl/execution_impl.h: Likewise.
499 * include/pstl/pstl_config.h: Likewise.
500 * testsuite/util/pstl/pstl_test_config.h: Likewise.
502 Synchronize libstdc++ parallel algorithms with upstream
504 * include/pstl/algorithm_fwd.h: Synchronize with
505 upstream PSTL project.
506 * include/pstl/algorithm_impl.h: Likewise.
507 * include/pstl/execution_defs.h: Likewise.
508 * include/pstl/execution_impl.h: Likewise.
509 * include/pstl/glue_algorithm_impl.h: Likewise.
510 * include/pstl/glue_execution_defs.h: Likewise.
511 * include/pstl/numeric_fwd.h: Likewise.
512 * include/pstl/numeric_impl.h: Likewise.
513 * include/pstl/parallel_backend.h: Likewise.
514 * include/pstl/pstl_config.h: Likewise.
515 * include/pstl/unseq_backend_simd.h: Likewise.
516 * include/pstl/parallel_backend_serial.h: New file.
517 * include/Makefile.am (pstl_headers): Add
518 parallel_backend_serial.h.
519 * include/Makefile.in: Regenerate.
521 Clean up non-conforming names
522 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
523 Uglfiy copy_range1 and copy_range2
524 (__pattern_walk2_n): Rename local n to __n
525 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
526 Rename parameter _T to _Tp.
528 Integrate non-TBB serial backend support
529 * include/bits/c++config: Adjust TBB detection logic to select serial
530 PSTL backend if no TBB present.
531 * testsuite/utils/pstl/test_utils.h: Remove check for
532 _PSTL_USE_PAR_POLICIES
534 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
536 * testsuite/24_iterators/container_access.cc: Move dg-options before
537 dg-do directive so the target check uses the -std option.
540 * configure: Regenerate.
541 * src/Makefile.am (stamp-debug): Also test for missing makefile.
542 * src/Makefile.in: Regenerate.
544 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
546 * include/std/array: Do not include <stdexcept>.
547 * include/std/optional: Include <exception> and
548 <bits/exception_defines.h> instead of <stdexcept>.
549 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
551 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
553 * testsuite/23_containers/map/erasure.cc: Include <string>.
554 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
556 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
557 dg-prune-output for different C++98 diagnostic.
558 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
560 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
562 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
564 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
566 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
568 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
570 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
572 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
574 * testsuite/23_containers/vector/requirements/dr438/
575 constructor_1_neg.cc: Likewise.
576 * testsuite/23_containers/vector/requirements/dr438/
577 constructor_2_neg.cc: Likewise.
578 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
580 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
582 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
583 Do not test allocator rebinding extension for C++2a.
584 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
585 dg-do directive for C++17 and C++2a.
587 * testsuite/23_containers/deque/requirements/explicit_instantiation/
588 1_c++0x.cc: Remove redundant test.
589 * testsuite/23_containers/deque/requirements/explicit_instantiation/
590 2.cc: Use target selector instead of preprocessor condition.
591 * testsuite/23_containers/deque/requirements/explicit_instantiation/
592 3.cc: Do not run test for C++2a.
593 * testsuite/23_containers/forward_list/requirements/
594 explicit_instantiation/3.cc: Likewise.
595 * testsuite/23_containers/forward_list/requirements/
596 explicit_instantiation/5.cc: Do not test allocator rebinding extension
598 * testsuite/23_containers/list/requirements/explicit_instantiation/
599 1_c++0x.cc: Remove redundant test.
600 * testsuite/23_containers/list/requirements/explicit_instantiation/
601 2.cc: Use target selector instead of preprocessor condition.
602 * testsuite/23_containers/list/requirements/explicit_instantiation/
603 3.cc: Do not run test for C++2a.
604 * testsuite/23_containers/list/requirements/explicit_instantiation/
605 5.cc: Do not test allocator rebinding extension for C++2a.
606 * testsuite/23_containers/map/requirements/explicit_instantiation/
607 1_c++0x.cc: Remove redundant test.
608 * testsuite/23_containers/map/requirements/explicit_instantiation/
609 2.cc: Adjust comment.
610 * testsuite/23_containers/map/requirements/explicit_instantiation/
611 3.cc: Do not run test for C++2a.
612 * testsuite/23_containers/map/requirements/explicit_instantiation/
613 5.cc: Do not test allocator rebinding extension for C++2a.
614 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
615 1_c++0x.cc: Remove redundant test.
616 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
617 3.cc: Do not run test for C++2a.
618 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
619 5.cc: Do not test allocator rebinding extension for C++2a.
620 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
621 3.cc: Do not run test for C++2a.
622 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
623 5.cc: Do not test allocator rebinding extension for C++2a.
624 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
625 Do not run test for C++2a.
626 * testsuite/23_containers/set/requirements/explicit_instantiation/
627 1_c++0x.cc: Remove redundant test.
628 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
629 Do not test allocator rebinding extension for C++2a.
630 * testsuite/23_containers/unordered_map/requirements/
631 explicit_instantiation/3.cc: Likewise.
632 * testsuite/23_containers/unordered_map/requirements/
633 explicit_instantiation/5.cc: Do not test allocator rebinding extension
635 * testsuite/23_containers/unordered_multimap/requirements/
636 explicit_instantiation/3.cc: Do not run test for C++2a.
637 * testsuite/23_containers/unordered_multimap/requirements/
638 explicit_instantiation/5.cc: Do not test allocator rebinding extension
640 * testsuite/23_containers/unordered_multiset/requirements/
641 explicit_instantiation/3.cc: Do not run test for C++2a.
642 * testsuite/23_containers/unordered_multiset/requirements/
643 explicit_instantiation/5.cc: Do not test allocator rebinding extension
645 * testsuite/23_containers/unordered_set/requirements/
646 explicit_instantiation/3.cc: Do not run test for C++2a.
647 * testsuite/23_containers/unordered_set/requirements/
648 explicit_instantiation/5.cc: Do not test allocator rebinding extension
650 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
651 2.cc: Remove redundant test.
652 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
653 3.cc: Do not run test for C++2a.
654 * testsuite/23_containers/vector/requirements/explicit_instantiation/
657 * include/std/type_traits (is_empty, is_polymorphic, is_final)
658 (is_abstract, is_aggregate): Remove static_assert.
659 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
661 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
662 missing -std=gnu++17 option.
663 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
664 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
665 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
668 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
669 * testsuite/18_support/set_unexpected.cc: Likewise.
670 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
672 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
673 function to be valid in C++11.
674 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
675 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
676 include Library Fundamentals or Networking headers in C++11 mode.
677 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
679 * include/std/tuple (_TC): Replace with _TupleConstraints.
680 (_TupleConstraints): New helper for SFINAE constraints, with more
681 expressive member functions to reduce duplication when used.
682 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
683 (tuple::_TCC): Replace dummy type parameter with bool non-type
684 parameter that can be used to check the pack size.
685 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
686 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
687 checking constraints in constructors.
688 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
690 (tuple::tuple): Use new helpers to reduce repitition in constraints.
691 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
692 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
693 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
694 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
695 constraints in constructors.
696 (tuple::__is_alloc_arg()): New SFINAE helpers.
697 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
699 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
700 * testsuite/20_util/tuple/cons/90700.cc: New test.
701 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
702 to meet new constraint on allocator-extended default constructor.
704 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
706 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
707 * include/bits/stl_multimap.h (multimap): Likewise.
709 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
711 Rename variables and cleanup comments.
712 * include/bits/hashtable_policy.h
713 * include/bits/hashtable.h
715 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
717 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
718 Fix bgcolor for P0340R3.
719 * doc/html/*: Regenerate.
722 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
723 <experimental/memory_resource>.
724 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
725 P0339R6, P0340R3, P1164R1 and P1357R1.
726 * doc/html/*: Regenerate.
728 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
729 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
730 allocator::value_type assertion for C++2a.
731 * include/bits/hashtable.h: Likewise.
732 * include/bits/stl_deque.h: Likewise.
733 * include/bits/stl_list.h: Likewise.
734 * include/bits/stl_map.h: Likewise.
735 * include/bits/stl_multimap.h: Likewise.
736 * include/bits/stl_multiset.h: Likewise.
737 * include/bits/stl_set.h: Likewise.
738 * include/bits/stl_vector.h: Likewise.
739 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
740 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
741 * testsuite/23_containers/list/48101-3_neg.cc: New test.
742 * testsuite/23_containers/map/48101-3_neg.cc: New test.
743 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
744 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
745 * testsuite/23_containers/set/48101-3_neg.cc: New test.
746 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
747 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
748 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
749 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
750 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
752 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
754 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
756 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
758 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
760 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
762 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
764 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
766 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
769 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
770 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
771 * libsupc++/eh_term_handler.h: New header defining
772 _GLIBCXX_DEFAULT_TERM_HANDLER.
773 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
774 (set_terminate): Restore default handler when argument is null.
775 (set_unexpected): Likewise.
776 * testsuite/18_support/set_terminate.cc: New test.
777 * testsuite/18_support/set_unexpected.cc: New test.
779 * include/backward/hashtable.h (size_t, ptrdiff_t)
780 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
781 (distance, vector, pair, __iterator_category): Remove
782 using-declarations that add these names to namespace __gnu_cxx.
783 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
784 * include/ext/debug_allocator.h (size_t): Likewise.
785 * include/ext/functional (size_t, unary_function, binary_function)
786 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
788 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
789 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
790 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
791 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
792 * include/ext/numeric (iota): Fix outdated comment.
793 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
794 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
795 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
796 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
797 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
799 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
800 (allocator, __true_type, __false_type): Likewise.
802 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
805 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
806 New helpers for checking preconditions in traits.
807 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
808 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
809 (is_destructible, is_nothrow_destructible, is_constructible)
810 (is_default_constructible, is_copy_constructible)
811 (is_move_constructible, is_nothrow_default_constructible)
812 (is_nothrow_constructible, is_nothrow_copy_constructible)
813 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
814 (is_nothrow_assignable, is_nothrow_copy_assignable)
815 (is_nothrow_move_assignable, is_trivially_constructible)
816 (is_trivially_copy_constructible, is_trivially_move_constructible)
817 is_trivially_assignable, is_trivially_copy_assignable)
818 (is_trivially_move_assignable, is_trivially_destructible)
819 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
820 (is_invocable_r, is_nothrow_invocable)
821 (has_unique_object_representations, is_aggregate): Add static_asserts
822 to make sure that type traits are not misused with incomplete types.
823 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
824 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
825 base characteristics without assertions that can be reused in other
827 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
828 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
830 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
831 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
832 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
833 * testsuite/20_util/is_class/value.cc: Check incomplete type.
834 * testsuite/20_util/is_function/value.cc: Likewise.
835 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
836 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
838 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
839 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
840 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
841 * testsuite/20_util/is_union/value.cc: Likewise.
842 * testsuite/20_util/is_void/value.cc: Likewise.
843 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
845 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
847 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
848 Add new private member function.
849 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
850 (random_device::_M_init_pretr1(const string&)): Call new private
851 member with string data.
852 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
854 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
855 test using COW strings.
856 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
857 a value from the device.
858 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
859 Fix typo in token string.
861 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
863 LWG2788 basic_string spurious use of a default constructible allocator
864 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
865 (basic_string::_M_replace_dispatch): Construct temporary string with
866 the current allocator.
867 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
868 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
870 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
872 * doc/xml/manual/diagnostics.xml: Update list of headers that define
874 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
875 section about new/delete overloads. Improve section on verbose
877 * doc/html/*: Regenerate.
879 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
880 P0811R3. Change status of P1353R0.
881 * doc/html/*: Regenerate.
883 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
884 documentation of implementation-defined types for [thread.req.native].
885 * doc/xml/manual/status_cxx2017.xml: Update documentation of
886 implementation-defined strings for [variant.bad.access]. Fix typo in
887 documentation of implementation-defined support for [fs.conform.9945].
888 * doc/html/*: Regenerate.
890 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
893 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
894 that fails on mingw-w64.
897 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
898 (status(const path&, error_code&)): Use parent_path() to remove
900 (symlink_status(const path&, error_code&)): Duplicate workaround for
901 bug in _wstat for paths with trailing slash.
902 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
904 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
905 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
907 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
908 once instead of building it iteratively.
910 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
912 PR libstdc++/85494 use rdseed and rand_s in std::random_device
913 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
914 the assembler supports rdseed.
915 * config.h.in: Regenerate.
916 * configure: Regenerate.
917 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
918 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
919 * doc/html/*: Regenerate.
920 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
921 * include/bits/random.h (random_device::random_device()): Always call
922 _M_init rather than _M_init_pretr1.
923 (random_device::random_device(const string&)): Likewise.
924 (random_device::operator()()): Always call _M_getval().
925 (random_device::_M_file): Replace first member of union with an
926 anonymous struct, with _M_file as its first member.
927 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
928 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
929 (USE_MT19937): Define if none of the above are defined.
930 (USE_POSIX_FILE_IO): Define.
931 (_M_strtoul): Remove.
932 [USE_RDSEED] (__x86_rdseed): Define new function.
933 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
934 (random_device::_M_init(const string&)): Initialize new union members.
935 Add support for "rdseed" and "rand_s" tokens. Decide what the
936 "default" token does according to which USE_* macros are defined.
937 [USE_POSIX_FILE_IO]: Store a file descriptor.
938 [USE_MT19937]: Forward to _M_init_pretr1 instead.
939 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
940 code from _M_strtoul.
941 [!USE_MT19937]: Call _M_init, transforming the old default token or
942 numeric tokens to "default".
943 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
944 (random_device::_M_getval()): Use new union members to obtain a
945 random number from the stored function pointer or file descriptor.
946 [USE_MT19937]: Obtain a value from the mt19937 engine.
947 (random_device::_M_getval_pretr1()): Call _M_getval().
948 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
950 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
951 * testsuite/26_numerics/random/random_device/85494.cc: New test.
953 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
956 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
957 _M_split_cmpts() for a path with multiple components.
958 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
959 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
960 components and reserve space in vector. Return early when there is
962 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
963 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
965 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
966 form of std::equals for C++11 compatibility.
968 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
970 * doc/xml/manual/appendix_contributing.xml: Update pointer to
971 C++ standard at ansi.org.
973 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
975 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
976 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
979 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
980 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
982 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
984 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
986 * testsuite/20_util/function_objects/invoke/3.cc: New test.
987 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
988 "compile" test to "run".
990 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
991 * doc/html/*: Regenerate.
992 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
993 rvalue aliasing constructor.
994 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
995 (reinterpret_pointer_cast): Add overloads taking rvalues.
996 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
997 Add rvalue aliasing constructor.
998 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
999 "run" and check return values as well as types.
1000 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
1001 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
1002 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
1003 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
1006 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
1007 * doc/xml/manual/intro.xml: Likewise.
1008 * include/std/future (__create_task_state): Add default arguments
1009 to make providing an allocator optional.
1010 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
1011 instead of delegating to another constructor.
1012 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
1013 define allocator-extended constructors for C++17 and later.
1014 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
1016 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1017 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1018 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1020 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
1022 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
1023 Don't run the libstdc++/83237 part on simulator targets.
1025 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
1027 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
1029 * doc/html/*: Regenerate.
1031 * include/experimental/any (__any_caster): Use RTTI if comparing
1032 addresses fails, to support non-unique addresses in shared libraries.
1033 * include/std/any (__any_caster): Likewise.
1036 * include/experimental/any (__any_caster): Constrain to only be
1037 callable for object types. Use remove_cv_t instead of decay_t.
1038 If the type decays or isn't copy constructible, compare the manager
1039 function to a dummy specialization.
1040 (__any_caster): Add overload constrained for non-object types.
1041 (any::_Manager_internal<_Op>): Add dummy specialization.
1042 * testsuite/experimental/any/misc/any_cast.cc: Test function types
1045 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
1048 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
1049 reversed arguments to uninitialized_copy_n.
1050 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
1051 is unchanged by copy assignment.
1052 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
1053 compare path components.
1056 * include/experimental/memory_resource: Add system header pragma and
1057 do not define anything unless compiled as C++14 or later.
1058 (__resource_adaptor_common::__guaranteed_alignment): Remove.
1059 (__resource_adaptor_imp::do_allocate): If the requested alignment
1060 is a fundamental alignment then either allocate directly from _M_alloc
1061 or call the new _M_allocate function.
1062 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
1063 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
1064 of the allocator rebound to a POD type with the specified alignment.
1065 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
1066 * testsuite/experimental/memory_resource/new_delete_resource.cc:
1067 Adjust expected allocation sizes.
1068 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
1069 xfail for Solaris x86.
1071 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
1073 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
1074 * include/pstl/execution_defs.h (__enable_if_execution_policy):
1075 Use std::__remove_cvref_t when building with GCC.
1077 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
1080 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1081 Use "additional_flags" to pass -ltbb to v3_target_compile command.
1082 Use check_v3_target_prop_cached to cache the result of the test.
1084 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
1086 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
1089 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1090 Changed v3_target_compile check from preprocess to executable.
1091 Added "-ltbb" to v3_target_compile flags.
1093 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
1095 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1096 Add check for Thread Building Blocks 2018 or later.
1098 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1100 * testsuite/experimental/names.cc: Only include Networking TS headers
1101 on targets with the necessary Gthreads support.
1103 2019-05-20 Marek Polacek <polacek@redhat.com>
1105 CWG 2094 - volatile scalars are trivially copyable.
1107 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
1108 result for volatile int.
1110 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1112 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
1113 * testsuite/experimental/names.cc: Include <experimental/filesystem>
1116 PR c++/90532 Ensure __is_constructible(T[]) is false
1117 * include/std/type_traits (__do_is_default_constructible_impl)
1118 (__is_default_constructible_atom, __is_default_constructible_safe):
1120 (is_default_constructible): Use is_constructible.
1121 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
1122 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
1123 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
1124 * testsuite/20_util/is_trivially_default_constructible/value.cc:
1127 2019-05-20 Pádraig Brady <pbrady@fb.com>
1129 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
1130 to the deallocator with -fsized-deallocation.
1132 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1134 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
1135 test by passing correct alignment to deallocate function.
1137 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
1140 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
1141 Raise exception if unique_ptr tuple member has unknown structure.
1142 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
1143 Adjust worker to support new __uniq_ptr_data base class. Do not
1144 assume field called _M_head_impl is the first tuple element.
1146 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
1148 * include/bits/stl_deque.h
1149 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
1150 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
1151 (_Deque_base::_Deque_impl_data): New.
1152 (_Deque_base::_Deque_impl): Inherit latter.
1153 (_Deque_base::_Deque_impl::_M_swap_data): Move...
1154 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
1155 (_Deque_base::_Deque_impl()): Add noexcept qualification.
1156 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
1157 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
1158 (deque<>::deque()): Default.
1159 (deque<>::deque(deque&&)): Default.
1160 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
1161 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
1162 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
1163 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
1164 _M_range_initialize.
1165 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
1166 (deque<>::resize(size_type, const value_type&)): Share a single
1168 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
1169 _M_range_insert_aux.
1170 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
1171 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
1172 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
1173 * testsuite/23_containers/deque/allocator/default_init.cc: New.
1175 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
1178 * include/std/variant (holds_alternative, get, get_if): Improve
1179 static assertion messages.
1180 (bad_variant_access::bad_variant_access()): Change default message.
1181 (__throw_bad_variant_access(bool)): New overload.
1182 (get): Use new overload.
1183 (visit, visit<R>): Improve exception message.
1185 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
1186 targets. Add more cases from P0608R3.
1187 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
1189 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
1190 * include/experimental/type_traits (is_detected_exact)
1191 (is_detected_exact_v): Likewise.
1192 * include/pstl/execution_defs.h (is_execution_policy)
1193 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
1194 * include/pstl/execution_impl.h (__policy_traits): Likewise.
1195 * testsuite/17_intro/names.cc: Check for more non-reserved names.
1196 * testsuite/experimental/names.cc: New test.
1199 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
1200 assertions from the destructor.
1201 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
1202 Move static_assert for hash function to here.
1203 (_Hash_table_base::_M_equals): Move static_assert for equality
1205 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
1207 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
1208 the value directly instead of calling _S_value.
1209 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
1210 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
1211 _S_key(_Const_Link_type).
1212 * testsuite/23_containers/set/85965.cc: Check construction,
1213 destruction, assignment and size() do not trigger the assertions.
1214 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
1215 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
1217 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
1218 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
1219 * testsuite/23_containers/set/48101_neg.cc: Likewise.
1220 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
1221 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
1222 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
1223 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
1225 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
1226 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
1229 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
1231 * doc/html/*: Regenerate.
1232 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
1233 of decay_t (P0777R1).
1235 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
1237 Move from state of allocators (LWG2593)
1238 * include/bits/stl_deque.h
1239 (_Deque_base(_Deque_base&&, false_type)): Remove.
1240 (_Deque_base(_Deque_base&&, true_type)): Remove.
1241 (_Deque_base(_Deque_base&&)): Adapt.
1242 (_Deque_base::_M_move_impl()): Remove.
1243 * testsuite/util/testsuite_allocator.h
1244 (propagating_allocator(propagating_allocator&&)): Preserve move from
1246 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
1248 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
1250 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
1251 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
1252 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
1254 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
1256 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
1257 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
1259 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
1261 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
1263 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
1265 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
1267 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
1269 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
1271 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
1274 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
1276 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
1277 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
1279 * include/std/variant (__overload_set): Remove.
1281 (_Build_FUN): New class template to define a single FUN overload,
1282 with specializations to prevent unwanted conversions, as per P0608R3.
1283 (_Build_FUNs): New class template to build an overload set of FUN.
1284 (_FUN_type): New alias template to perform overload resolution.
1285 (__accepted_type): Use integer_constant base for failure case. Use
1286 _FUN_type for successful case.
1287 (variant::__accepted_index): Use _Tp instead of _Tp&&.
1288 (variant::variant(_Tp&&)): Likewise.
1289 (variant::operator=(_Tp&&)): Likewise.
1291 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
1292 Replace raw visitation with a runtime check for the valueless state
1293 and a non-raw visitor.
1294 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
1295 (variant::index()): Remove branch.
1296 (variant::swap(variant&)): Use valueless_by_exception() instead of
1297 comparing the index to variant_npos, and add likelihood attribute.
1299 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
1300 (_Hashtable_base::_Equal_hash_code): Define new class template.
1301 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
1304 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
1305 Replace with _M_get non-static member function.
1306 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
1308 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
1309 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
1311 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
1312 _S_get accessors for members in EBO helpers.
1313 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
1314 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
1316 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
1318 (_Hashtable_base::_M_eq()): Remove non-const overload.
1320 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
1322 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
1324 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1326 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
1329 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1331 * config/os/solaris/solaris2.10: Move to ...
1332 * config/os/solaris: ... this.
1333 * configure.host (os_include_dir): Adapt.
1334 (abi_baseline_pair): Remove Solaris 10 handling.
1335 * config/abi/post/i386-solaris2.10: Remove.
1336 * config/abi/post/sparc-solaris2.10: Remove.
1337 * config/abi/post/i386-solaris2.11: Rename to ...
1338 * config/abi/post/i386-solaris: ... this.
1339 * config/abi/post/sparc-solaris2.11: Rename to ...
1340 * config/abi/post/sparc-solaris: ... this.
1342 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
1345 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
1348 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1350 * include/std/variant (__visit_with_index): Remove typedef.
1351 (__deduce_visit_result): New tag type.
1352 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
1353 visitation of possibly-valueless variants, forwarding to __do_visit
1354 with the relevant tag type.
1355 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
1356 and make lambda return void.
1357 (__variant_construct): Likewise.
1358 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
1359 __raw_idx_visit and make lambda return void.
1360 (_Multi_array::__untag_result): Add metafunction to check the function
1361 pointer type for a tag type that dictates the kind of visitation.
1362 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
1363 Use decltype(auto) instead of tagged function pointer type.
1364 (__gen_vtable_impl): Remove bool non-type parameter and unused
1365 _Variant_tuple parameter.
1366 (__gen_vtable_impl::__visit_invoke_impl): Remove.
1367 (__gen_vtable_impl::__do_visit_invoke): Remove.
1368 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
1369 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
1370 for the visit<R> case, rather than dispatching to separate functions.
1371 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
1373 (variant::swap): Likewise.
1374 (__do_visit): Replace two non-type template parameters with a single
1375 type parameter, so that the caller must specify the visitor's return
1376 type (or one of the tag types).
1377 (visit): Deduce a return type from the visitor and use the
1378 __deduce_visit_result tag to enforce that all overloads return the
1380 (visit<R>): Call __do_visit<R> with explicit result type.
1381 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
1384 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1386 nonesuch is insufficiently useless (lwg2996)
1387 * include/std/type_traits (struct __nonesuch): Added private base
1388 class to make __nonesuch not an aggregate and removed deleted default
1390 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
1391 (operator=(const pair&)): Use __nonesuch instead of
1392 __nonesuch_no_braces.
1393 (operator=(pair&&)): Likewise
1394 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
1395 of __nonesuch_no_braces.
1396 (operator=(tuple&&)): Likewise
1397 * include/experimental/type_traits (struct nonesuch): Added private
1398 base class to make nonesuch not an aggregate and removed deleted
1399 default constructor.
1400 * testsuite/20_util/nonesuch/nonesuch.cc: New.
1401 * testsuite/experimental/type_traits/nonesuch.cc: New.
1403 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1405 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
1406 (_Function_handler): Remove partial specializations for void return
1407 types and pointers to member.
1408 (_Function_handler::_M_manager): Adapt to removal of
1409 _Simple_type_wrapper.
1410 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
1411 * include/std/functional (_Bind_result::__enable_if_void)
1412 (_Bind_result::__disable_if_void): Remove sfinae helpers.
1413 (_Bind_result::__call): Use __invoke_r and remove overloads for void
1415 * include/std/future (__future_base::_Task_state::_M_run)
1416 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
1417 change return type of lambda expressions.
1419 * include/bits/invoke.h (__invoke_r): Define new function implementing
1420 the INVOKE<R> pseudo-function.
1421 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
1422 * testsuite/20_util/function_objects/invoke/2.cc: New test.
1424 * include/std/type_traits (__is_nt_convertible_helper): Define it
1425 unconditionally, not only for C++20.
1426 (__is_nothrow_convertible): Define internal trait for use in C++11.
1427 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
1428 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
1429 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
1430 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
1431 that has nothrow explicit conversion but potentially-throwing implicit
1433 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
1434 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
1435 function to only consider implicit conversions.
1436 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
1438 * include/std/iterator: Include <iosfwd> instead of <istream> and
1441 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
1442 Remove unused, non-standard function.
1444 * include/bits/regex.h (match_results::max_size()): Adjust return
1445 value to account for prefix/suffix/unmatched subs.
1446 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
1447 reset the contained sub matches.
1448 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
1449 function to set result state following a failed match.
1450 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
1451 sub_match states after _M_resize. Use _M_establish_failed_match.
1454 * include/std/thread (thread::_State_impl, thread::_S_make_state):
1455 Replace single _Callable parameter with variadic _Args pack, to
1456 forward them directly to the tuple of decayed copies.
1457 * testsuite/30_threads/thread/cons/69724.cc: New test.
1459 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1461 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
1462 * include/bits/basic_string.h: (operator=(const basic_string&):
1463 Move allocator decision to assign.
1464 (assign(const basic_string&)): Move allocator decision here.
1465 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
1467 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
1470 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1472 * testsuite/util/testsuite_allocator.h (memory_resource)
1473 (default_resource_mgr): Fix indentation.
1475 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
1476 Use operator-> to access raw pointer member.
1477 * testsuite/23_containers/vector/59829.cc: Likewise.
1478 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
1479 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
1480 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
1482 (PointerBase, PointerBase_void): Derive from NullablePointer and use
1483 its constructors and equality operators. Change converting
1484 constructors to use operator-> to access private member of the other
1486 (PointerBase_void::operator->()): Add, for access to private member.
1487 (operator-(PointerBase, PointerBase)): Change to hidden friend.
1488 (operator==(PointerBase, PointerBase)): Remove.
1489 (operator!=(PointerBase, PointerBase)): Remove.
1491 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
1492 not assume field called _M_head_impl is the first tuple element.
1493 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
1494 implementation more accurate.
1495 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
1496 empty pointer type and non-empty deleter.
1498 LWG 2899 - Make is_move_constructible correct for unique_ptr
1499 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
1500 move assignment operator.
1501 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
1502 (__uniq_ptr_data): New class template with conditionally deleted
1504 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
1505 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
1506 constructor and move assignment operator as defaulted.
1507 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
1508 __uniq_ptr_impl::release().
1509 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
1510 to __uniq_ptr_impl::reset(pointer).
1511 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
1512 Check for new __uniq_ptr_data type.
1513 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
1515 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1517 PR libstdc++/90454.cc path construction from void*
1518 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
1519 pointers to void are rejected as well as void.
1520 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
1521 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
1523 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
1525 * doc/xml/manual/policy_data_structures.xml: Comment out stray
1526 <remark> elements. Fix formatting of bibliography references.
1528 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
1530 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
1532 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1534 Remove Profile Mode, deprecated since 7.1.0
1535 * doc/Makefile.am: Remove XML file for profile mode docs.
1536 * doc/Makefile.in: Regenerate.
1537 * doc/xml/authors.xml: Remove authors of profile mode docs.
1538 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
1540 * doc/xml/manual/debug.xml: Likewise.
1541 * doc/xml/manual/evolution.xml: Document removal of profile mode.
1542 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
1543 * doc/xml/manual/spine.xml: Remove profile mode author credit.
1544 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
1546 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
1548 * doc/html/*: Regenerate.
1549 * include/Makefile.am: Remove profile mode headers.
1550 * include/Makefile.in: Regenerate.
1551 * include/bits/c++config (std::__profile): Remove namespace.
1552 [_GLIBCXX_PROFILE]: Remove checks for macro.
1553 * include/profile/array: Remove.
1554 * include/profile/base.h: Remove.
1555 * include/profile/bitset: Remove.
1556 * include/profile/deque: Remove.
1557 * include/profile/forward_list: Remove.
1558 * include/profile/impl/profiler.h: Remove.
1559 * include/profile/impl/profiler_algos.h: Remove.
1560 * include/profile/impl/profiler_container_size.h: Remove.
1561 * include/profile/impl/profiler_hash_func.h: Remove.
1562 * include/profile/impl/profiler_hashtable_size.h: Remove.
1563 * include/profile/impl/profiler_list_to_slist.h: Remove.
1564 * include/profile/impl/profiler_list_to_vector.h: Remove.
1565 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
1566 * include/profile/impl/profiler_node.h: Remove.
1567 * include/profile/impl/profiler_state.h: Remove.
1568 * include/profile/impl/profiler_trace.h: Remove.
1569 * include/profile/impl/profiler_vector_size.h: Remove.
1570 * include/profile/impl/profiler_vector_to_list.h: Remove.
1571 * include/profile/iterator_tracker.h: Remove.
1572 * include/profile/list: Remove.
1573 * include/profile/map: Remove.
1574 * include/profile/map.h: Remove.
1575 * include/profile/multimap.h: Remove.
1576 * include/profile/multiset.h: Remove.
1577 * include/profile/ordered_base.h: Remove.
1578 * include/profile/set: Remove.
1579 * include/profile/set.h: Remove.
1580 * include/profile/unordered_base.h: Remove.
1581 * include/profile/unordered_map: Remove.
1582 * include/profile/unordered_set: Remove.
1583 * include/profile/vector: Remove.
1584 * scripts/run_doxygen: Do not process profile mode headers.
1585 * testsuite/23_containers/array/element_access/60497.cc: Don't use
1587 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
1588 Remove dg-skip-if for profile mode.
1589 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
1590 preprocessor check for profile mode.
1591 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
1592 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
1594 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
1596 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
1597 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
1598 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
1599 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
1600 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
1602 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
1604 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
1606 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
1608 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
1609 preprocessor check for profile mode.
1610 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
1612 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
1613 Remove dg-skip-if for profile mode.
1614 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
1615 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
1616 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
1617 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
1618 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
1619 * testsuite/Makefile.am: Remove profile_flags variable and
1620 * testsuite/Makefile.am: Remove profile_flags variable and
1621 check-profile target.
1622 * testsuite/Makefile.in: Regenerate.
1623 * testsuite/ext/profile/all.cc: Remove.
1624 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
1625 * testsuite/ext/profile/profiler_algos.cc: Remove.
1626 * testsuite/ext/profile/replace_new.cc: Remove.
1627 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
1628 preprocessor check for profile mode.
1629 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1630 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
1631 (check_v3_target_normal_mode): Do not check for profile mode macro.
1632 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
1634 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
1635 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1636 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1637 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
1638 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
1639 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1640 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1641 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1642 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1643 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1645 Remove array_allocator extension, deprecated since 4.9.0
1646 * doc/xml/manual/allocator.xml: Remove documentation for
1648 * doc/xml/manual/evolution.xml: Document array_allocator removal.
1649 * doc/xml/manual/using.xml: Remove header from documentation.
1650 * include/Makefile.am: Remove <ext/array_allocator.h> header.
1651 * include/Makefile.in: Regenerate.
1652 * include/ext/array_allocator.h: Remove.
1653 * include/precompiled/extc++.h: Do not include removed header.
1654 * testsuite/ext/array_allocator/1.cc: Remove.
1655 * testsuite/ext/array_allocator/2.cc: Remove.
1656 * testsuite/ext/array_allocator/26875.cc: Remove.
1657 * testsuite/ext/array_allocator/3.cc: Remove.
1658 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
1659 * testsuite/ext/array_allocator/check_delete.cc: Remove.
1660 * testsuite/ext/array_allocator/check_new.cc: Remove.
1661 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
1662 * testsuite/ext/headers.cc: Do not include removed header.
1664 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
1666 * include/bits/stl_bvector.h
1667 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1669 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1671 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1673 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1675 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1677 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1679 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1681 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
1683 (_Bit_iterator::operator-(difference_type)): Likewise.
1684 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
1685 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
1687 (_Bit_const_iterator::operator-(difference_type)): Likewise.
1688 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
1690 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
1693 * testsuite/util/thread/all.h: Do not use remove_pointer for
1694 std::thread::native_handle_type.
1697 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
1698 (_Variant_storage<true, Types...>::_M_reset()))
1699 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
1700 (__get_storage): Likewise.
1701 (variant): Add noexcept to friend declarations for __get and
1705 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
1706 Use _Require for constraints.
1707 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
1709 (__uniq_ptr_hash): New base class with conditionally-disabled call
1711 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
1712 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
1713 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
1715 * include/bits/shared_ptr.h: Improve docs.
1716 * include/bits/shared_ptr_base.h: Likewise.
1717 * include/bits/stl_uninitialized.h: Likewise.
1718 * include/bits/unique_ptr.h: Likewise.
1719 * libsupc++/new: Likewise.
1721 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
1723 * include/bits/stl_deque.h
1724 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1726 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1728 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1730 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1732 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1734 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1736 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
1738 (_Deque_iterator<>::operator-(difference_type)): Likewise.
1740 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
1743 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
1744 (test01): Reserve for number of insertions to avoid rehash during test.
1745 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1747 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1752 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
1754 * include/experimental/bits/fs_path.h: Improve docs.
1755 * include/experimental/bits/net.h: Fix wrong header name in comment.
1756 Do not document implementation details.
1757 * include/experimental/netfwd: Fix doxygen grouping.
1759 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1761 * include/bits/stl_pair.h: Improve docs.
1762 * include/std/tuple: Likewise.
1764 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
1766 * include/std/chrono: Improve docs.
1767 * include/std/ratio: Do not document implementation details.
1768 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
1770 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1773 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
1774 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
1775 (__duration_common_type): New helper.
1776 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
1777 __duration_common_type.
1778 (__timepoint_common_type_wrapper): Replace with ...
1779 (__timepoint_common_type): New helper.
1780 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
1781 Use __time_point_common_type.
1782 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
1783 (__common_type_impl): If either argument is transformed by decay,
1784 use the common_type of the decayed types.
1785 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
1786 decayed, use __do_common_type_impl to get the common_type.
1787 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
1788 (__do_member_type_wrapper, __member_type_wrapper)
1789 (__expanded_common_type_wrapper): Remove.
1790 (__common_type_pack, __common_type_fold): New helpers.
1791 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
1792 __member_type_wrapper and __expanded_common_type_wrapper.
1793 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
1794 Test zero-length template argument list.
1795 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
1796 Test single argument cases and argument types that should decay.
1797 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
1798 Adjust expected error.
1799 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
1801 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1802 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1803 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1805 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
1807 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
1809 Make allocator propagation more consistent for
1810 operator+(basic_string) (P1165R1)
1811 * include/bits/basic_string.h
1812 (operator+(basic_string&&, basic_string&&): Changed resulting
1813 allocator to always be the one from the first parameter.
1814 * include/bits/basic_string.tcc
1815 (operator+(const _CharT*, const basic_string&)): Changed
1816 resulting allocator to be SOCCC on the second parameter's allocator.
1817 (operator+(_CharT, const basic_string&)): Likewise.
1818 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
1820 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
1823 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1825 * include/bits/regex.h: Improve docs.
1826 * include/bits/regex.tcc: Do not document implementation details.
1828 * testsuite/19_diagnostics/error_code/hash.cc: New test.
1830 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
1832 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
1833 Add type printer for container types in std::__debug namespace.
1834 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
1835 (gdb-tests): Use distinct parameters for the type of test and use of
1837 (gdb-test): Check for regex test even if 'whatis' test.
1838 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
1840 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1841 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1842 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1843 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1844 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1845 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1846 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1848 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
1850 * include/std/system_error (error_category): Fix comment.
1853 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
1854 argument is an empty path.
1855 (absolute(const path&, error_code&)): Use invalid_argument as error
1856 code instead of no_such_file_or_directory.
1857 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
1858 of non-existent paths and empty paths with both overloads of absolute.
1860 * include/std/system_error (error_category, error_code)
1861 (error_condition): Improve docs.
1862 * libsupc++/exception: Add missing @addtogroup Doxygen command.
1863 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
1864 to class documentation. Suppress documentation for implementation
1866 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
1867 Suppress documentation for implementation details.
1869 * include/std/system_error (error_code): Remove friend declaration
1870 for hash<error_code>.
1871 (hash<error_code>::operator()): Use public member functions to access
1873 (hash<error_condition>::operator()): Use address of category, not
1874 its object representation.
1875 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
1876 Use public member functions to access value and category.
1877 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
1879 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
1881 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
1882 * include/bits/hashtable_policy.h
1883 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
1884 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
1885 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
1886 smaller than input value rather than always greater. Preserve
1887 _M_next_resize if called with 0 input. Use __builtin_floorl.
1888 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
1889 elements + number of insertions is greater than _M_next_resize. Start
1890 with 11 buckets if not told otherwise. Use __builtin_floorl.
1891 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
1892 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1893 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
1894 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
1895 told otherwise. Use __builtin_floorl.
1896 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
1897 to also validate _Power2_rehash_policy.
1898 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
1901 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
1904 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
1908 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
1909 overflow warning with -Wpedantic -Wsystem-headers.
1911 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
1914 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
1915 * include/bits/move.h (swap): Remove extra parentheses.
1917 * include/experimental/bits/lfts_config.h: Improve doc markup.
1918 * include/experimental/optional: Improve docs.
1919 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
1920 (__constexpr_addressof): Remove.
1921 (optional::operator->()): Use std::__addressof().
1922 * include/std/optional (optional::operator->()): Adjust whitespace.
1923 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
1924 that operator-> is still constexpr with overloaded operator&. Change
1925 to compile-only test.
1926 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
1929 * include/bits/shared_ptr.h: Improve docs.
1930 * include/bits/shared_ptr_atomic.h: Likewise.
1931 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
1933 * include/bits/basic_string.h: Fix iterator/index confusion in
1935 * include/bits/range_access.h: Fix Doxygen warnings.
1936 * include/bits/refwrap.h: Do not document implementation details.
1937 (ref, cref): Group docs with reference_wrapper.
1938 * include/std/fstream: Fix Doxygen markup.
1939 * libsupc++/initializer_list (begin, end): Group docs with
1942 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
1944 * include/bits/unique_lock.h: Fix/improve doxygen markup.
1945 * include/std/mutex: Likewise.
1946 * include/std/shared_mutex: Likewise.
1948 * include/bits/fs_dir.h: Fix/improve doxygen markup.
1949 * include/bits/fs_fwd.h: Likewise.
1950 * include/bits/fs_ops.h: Likewise.
1951 * include/bits/fs_path.h: Likewise.
1952 * include/std/filesystem: Likewise.
1954 * include/experimental/bits/net.h: Fix/improve doxygen markup.
1955 * include/experimental/buffer: Likewise.
1956 * include/experimental/executor: Likewise.
1957 * include/experimental/internet: Likewise.
1958 * include/experimental/io_context: Likewise.
1959 * include/experimental/net: Likewise.
1960 * include/experimental/netfwd: Likewise.
1961 * include/experimental/socket: Likewise.
1962 * include/experimental/timer: Likewise.
1964 * doc/doxygen/doxygroups.cc: Move description of experimental group
1966 * include/experimental/algorithm: Add to libfund-ts doc group.
1967 * include/experimental/any: Likewise. Do not document implementation
1969 * include/experimental/array: Add to libfund-ts doc group.
1970 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
1971 for Library Fundamentals.
1972 * include/experimental/chrono: Add to libfund-ts doc group.
1973 * include/experimental/deque: Likewise.
1974 * include/experimental/forward_list: Likewise.
1975 * include/experimental/functional: Likewise.
1976 * include/experimental/iterator: Likewise.
1977 * include/experimental/list: Likewise.
1978 * include/experimental/map: Likewise.
1979 * include/experimental/memory: Likewise.
1980 * include/experimental/memory_resource: Likewise. Improve docs.
1982 * include/experimental/numeric: Add to libfund-ts doc group.
1983 * include/experimental/optional: Likewise.
1984 * include/experimental/propagate_const: Likewise.
1985 * include/experimental/random: Likewise.
1986 * include/experimental/ratio: Likewise.
1987 * include/experimental/regex: Likewise.
1988 * include/experimental/set: Likewise.
1989 * include/experimental/source_location: Likewise.
1990 * include/experimental/string: Likewise.
1991 * include/experimental/string_view: Likewise.
1992 * include/experimental/system_error: Likewise.
1993 * include/experimental/tuple: Likewise.
1994 * include/experimental/type_traits: Likewise.
1995 * include/experimental/unordered_map: Likewise.
1996 * include/experimental/unordered_set: Likewise.
1997 * include/experimental/utility: Likewise.
1998 * include/experimental/vector: Likewise.
1999 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
2000 * testsuite/experimental/array/neg.cc: Adjust dg-error.
2001 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
2003 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
2004 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
2005 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
2006 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
2007 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
2009 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
2010 * include/experimental/bits/fs_fwd.h: Improve docs.
2011 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
2012 * include/experimental/bits/fs_path.h: Likewise.
2013 (path, filesystem_error, u8path): Improve docs.
2014 * include/experimental/filesystem: Link to docs for TS.
2016 * config/allocator/new_allocator_base.h (__allocator_base): Add
2017 workaround for Doxygen bug #6945.
2018 * include/std/memory: Improve docs. Define group for pointer safety.
2019 * include/std/scoped_allocator: Improve docs. Use "undocumented"
2020 conditional to suppress documentation for implementation details.
2022 * include/bits/specfun.h: Improve docs.
2023 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
2026 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
2027 (std::experimental): Add docs.
2028 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
2029 namespace to nothing when generating docs.
2030 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
2031 * include/std/chrono (std::chrono): Likewise.
2032 * include/std/functional (std::placeholders): Likewise.
2033 * include/std/thread (std::this_thread): Likewise.
2035 * include/parallel/settings.h: Fix Doxygen markup.
2037 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
2038 anything unless PB_DS_CLASS_C_DEC is defined.
2039 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
2040 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
2041 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
2042 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
2043 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
2044 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
2045 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
2047 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
2048 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
2049 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
2050 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
2051 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
2052 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
2053 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
2054 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
2055 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
2056 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
2057 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
2059 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
2060 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
2062 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
2065 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
2066 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
2067 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
2070 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2072 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
2073 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
2074 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
2075 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
2076 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
2077 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
2079 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
2080 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
2083 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
2086 * include/std/complex (__complex_proj): Return parameter unchanged.
2087 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
2088 floating-point types to take std::complex arguments.
2089 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
2090 floating-point types.
2091 * testsuite/26_numerics/complex/proj.cc: New test.
2093 2019-04-30 Jakub Jelinek <jakub@redhat.com>
2095 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
2096 to _Lock_policyE[012].
2097 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2099 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
2101 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
2102 macros accidentally left in.
2103 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
2104 unnecessary -lstdc++fs option. Fix test for mingw.
2105 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
2108 2019-04-30 Jakub Jelinek <jakub@redhat.com>
2110 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2112 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
2114 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
2116 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
2117 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
2120 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
2122 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
2125 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
2126 class template and partial specialization.
2129 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
2131 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
2132 functions to convert a value to an integral type.
2133 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
2134 (fill_n): Convert _Size parameter to an integral type.
2135 * testsuite/25_algorithms/fill_n/87982.cc: New test.
2136 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
2137 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
2138 * testsuite/25_algorithms/generate_n/87982.cc: New test.
2139 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
2140 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
2142 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
2144 Adding noexcept-specification on tuple constructors (LWG 2899)
2145 * libstdc++-v3/include/std/tuple:
2146 (tuple()): Add noexcept-specification.
2147 (tuple(const _Elements&...)): Likewise
2148 (tuple(_UElements&&...)): Likewise
2149 (tuple(const tuple<_UElements...>&)): Likewise
2150 (tuple(tuple<_UElements...>&&)): Likewise
2151 (tuple(const _T1&, const _T2&)): Likewise
2152 (tuple(_U1&&, _U2&&)): Likewise
2153 (tuple(const tuple<_U1, _U2>&): Likewise
2154 (tuple(tuple<_U1, _U2>&&): Likewise
2155 (tuple(const pair<_U1, _U2>&): Likewise
2156 (tuple(pair<_U1, _U2>&&): Likewise
2157 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
2159 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
2162 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
2163 arguments with __restrict.
2165 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
2167 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
2169 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
2171 * include/experimental/bits/fs_path.h
2172 (path::_S_convert_loc<_InputIterator>): Create const std::string to
2173 avoid redundant call to _S_convert_loc with non-const pointers.
2175 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
2176 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
2177 * testsuite/21_strings/basic_string/hash/hash.cc
2178 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
2179 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
2180 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
2182 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
2183 wstring::_M_replace_dispatch with more specific patterns.
2184 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
2185 Create const std::string to avoid redundant call to _S_convert_loc
2186 with non-const pointers.
2187 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
2188 avoid unnecessary basic_string::assign instantiations.
2190 * include/std/memory (__uses_alloc_args): Add string-literal to
2191 static_assert, to match the one in __uses_alloc.
2192 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
2193 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
2194 for recursive uses-allocator construction of nested pairs.
2195 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
2198 2019-04-26 Jakub Jelinek <jakub@redhat.com>
2200 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
2201 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
2202 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
2203 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
2205 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2206 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
2207 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
2208 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
2209 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
2210 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2211 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2213 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
2216 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
2217 * include/std/scoped_allocator [__cplusplus > 201703L]
2218 (scoped_allocator_adaptor::construct): Define in terms of
2219 uses_allocator_construction_args, as per P0591R4.
2220 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
2221 * testsuite/util/testsuite_allocator.h: Remove name of unused
2224 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
2226 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
2227 * doc/html/*: Regenerate.
2229 * include/bits/fs_path.h (operator<, operator<=, operator>)
2230 (operator>=, operator==, operator!=): Make hidden friends, as per
2232 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
2233 string type in test.
2234 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
2236 * include/std/any (any::any(ValueType&&)): Use __and_v.
2237 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
2240 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
2242 * include/std/type_traits (__result_of_memfun): Use remove_reference
2243 instead of __remove_cvref_t and remove redundant is_same check.
2244 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
2246 * include/experimental/string_view (basic_string_view::pointer)
2247 (basic_string_view::reference): Fix to refer to non-const value_type.
2248 * include/bits/basic_string.h (basic_string): Use __sv_check and
2249 __sv_limit instead of basic_string_view::_M_check and
2250 basic_string_view::_M_limit.
2251 * include/std/string_view (__sv_check, __sv_limit): New
2252 helper functions to replace basic_string_view::_M_check and
2253 basic_string_view::_M_limit.
2254 (basic_string_view): Add static assertions to enforce ill-formed
2255 requirement for traits_type::char_type from P1148R0, and to enforce
2256 required properties of char-like types.
2257 (basic_string_view::pointer, basic_string_view::reference): Fix to
2258 refer to non-const value_type.
2259 (basic_string_view::operator[], basic_string_view::at)
2260 (basic_string_view::front, basic_string_view::back)
2261 (basic_string_view::data): Use const_reference and const_pointer
2262 typedefs for return types.
2263 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
2264 (hash<wstring_view>): Fix argument_type typedef.
2265 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
2266 char/1.cc: Fix expected return type of basic_string_view::data().
2267 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
2268 wchar_t/1.cc: Likewise.
2269 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
2270 char/1.cc: Likewise.
2271 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
2272 wchar_t/1.cc: Likewise.
2273 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
2275 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
2276 Check reference and pointer typedefs.
2277 * testsuite/experimental/string_view/requirements/typedefs.cc:
2279 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
2280 Fix expected return type of basic_string_view::data().
2281 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
2283 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
2285 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
2289 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
2290 Avoid a runtime check for types that can never be stored in std::any.
2291 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
2294 PR libstdc++/90220 (partial)
2295 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
2296 not attempt ill-formed static_cast to pointers to non-object types.
2297 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
2300 * testsuite/20_util/variant/run.cc: Catch exception by reference to
2301 prevent -Wcatch-value warning.
2303 * include/std/variant (__variant_construct): Use template parameter
2304 type instead of equivalent decltype-specifier.
2305 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
2306 Replace forward with move.
2307 (_Move_ctor_base<false, Types...>::_M_destructive_move)
2308 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
2309 (_Move_ctor_base<true, Types...>::_M_destructive_move)
2310 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
2311 index after construction succeeds.
2312 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
2313 if-constexpr checks that are always true. Use __remove_cvref_t instead
2314 of remove_reference so that is_nothrow_move_constructible check
2315 doesn't use a const rvalue parameter. In the potentially-throwing case
2316 construct a temporary and move assign it, as per LWG 2904.
2317 (_Move_assign_base<false, Types...>::operator=): Remove redundant
2318 if-constexpr checks that are always true. Use emplace as per LWG 2904.
2319 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
2320 construct a temporary and move assign from it, as per LWG 2904.
2321 * testsuite/20_util/variant/exception_safety.cc: Check that
2322 assignment operators have strong exception safety guarantee.
2324 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
2326 Document PSTL linker flags
2328 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
2330 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
2332 * include/std/variant (__detail::__variant::_Traits): Make
2333 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
2334 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
2336 (__detail::__variant::_Copy_assign_alias): Only depend on
2337 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
2338 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
2339 move assignment operators.
2342 * include/std/variant (variant::__not_self): New helper for the
2343 is_same_v<remove_cvref_t<T>, variant>==false constraints.
2344 (variant::__to_type_impl): Remove.
2345 (variant::__to_type): Add default argument to check pack size, instead
2346 of using __to_type_impl.
2347 (variant::__accepted_type): Add default argument using __not_self.
2348 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
2349 for variant(T&&) constructor constraint.
2350 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
2351 Extract __accepted_type into a named template parameter for reuse in
2352 other constraints and in the exception specification.
2353 (variant::variant(in_place_type_t<T>, Args&&...))
2354 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
2355 (variant::variant(in_place_index_t<T>, Args&&...))
2356 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
2357 (variant::operator=T&&)): Remove redundant && from trait arguments.
2358 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
2359 isn't used for in_place_type or in_place_index arguments.
2361 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
2362 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
2363 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
2365 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2366 Bernd Edlinger <bernd.edlinger@hotmail.de>
2367 Jakub Jelinek <jakub@redhat.com>
2370 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
2371 general-regs-only target attribute for ARM.
2373 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
2376 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
2377 specialization also depend on is_nothrow_move_constructible.
2378 * include/std/variant (__detail::__variant::__never_valueless()):
2379 Only true if the variant would have a move assignment operator.
2380 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
2381 Check __never_valueless<T...>().
2382 (variant::emplace): Only perform non-throwing move assignments
2383 for never-valueless alternatives if the variant has a move assignment
2385 * testsuite/20_util/variant/compile.cc: Check that never-valueless
2386 types can be emplaced into non-assignable variants.
2387 * testsuite/20_util/variant/run.cc: Check that never-valueless types
2388 don't get copied when emplaced into non-assignable variants.
2390 * include/std/variant (__detail::__variant::__ref_cast): Remove
2392 (__detail::__variant::_Uninitialized::_M_get)
2393 (__detail::__variant::__get)
2394 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
2396 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
2398 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
2400 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
2401 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
2402 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
2403 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
2405 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2407 Delegate PSTL configuration to pstl/pstl_config.h
2409 * include/bits/c++config: Remove explicit PSTL configuration
2410 macros and use definitions from <pstl/pstl_config.h>.
2412 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2414 Cleanup algorithm implementations
2415 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
2417 (mismatch): Forward execution policy.
2418 (equal): Qualify call to std::equal().
2419 (partial_sort): Forward execution policy.
2420 (inplace_merge): Forward execution policy.
2422 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
2424 Improve implementation of parallel equal()
2425 * include/pstl/algorithm_impl.h
2426 (__internal::__brick_equal): use "4 iterator" version of
2428 (__internal::__brick_equal): use simd for random access
2429 iterators on unsequenced execution policies.
2430 (__internal::__pattern_equal): add "4 iterator" version
2431 (__internal::__pattern_equal): dispatch to simd __brick_equal
2432 for vector-only execution policies.
2433 (__internal::__pattern_equal): dispatch to __parallel_or for
2434 parallel execution policies.
2435 * include/pstl/glue_algorithm_impl.h
2436 (std::equal): dispatch to "4 iterator" version of
2437 __internal::__pattern_equal().
2439 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
2442 * include/bits/forward_list.h (operator==): Do not use operator!= to
2444 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
2445 earlier in the list, so that sort is stable.
2446 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
2447 * testsuite/23_containers/forward_list/comparable.cc: Test with
2448 types that meet the minimum EqualityComparable and LessThanComparable
2449 requirements. Remove irrelevant comment.
2451 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
2452 Do not depend on whether all alternative types are move constructible.
2453 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
2454 from the operand when deciding whether to perform the assignment.
2455 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
2456 with deleted move constructor and deleted move assignment operator.
2457 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
2458 behaviour of variants with DeletedMoves as an alternative.
2459 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
2460 (move_ctor, move_assign): Check that moving a variant with a
2461 DeletedMoves alternative falls back to copying instead of moving.
2463 * testsuite/20_util/variant/compile.cc: Remove empty string literals
2464 from static_assert declarations.
2466 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
2467 actually match its name.
2468 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
2469 (test_swap()): Fix result for MoveCtorOnly and check
2470 MoveCtorAndSwapOnly.
2472 * include/std/optional (optional::value_or(U&&) &&): Add missing
2473 constexpr specifier.
2474 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
2475 for disengaged optionals and rvalue optionals.
2476 * testsuite/20_util/optional/observers/4.cc: Likewise.
2478 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
2480 * include/pstl/algorithm_impl.h: Uglify identfiers.
2481 * include/pstl/numeric_impl.h: Uglify identfiers.
2482 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
2484 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
2486 * include/bits/c++config:
2487 Add definition for __PSTL_ASSERT.
2488 Add definition for __PSTL_ASSERT_MSG.
2489 * include/pstl/algorithm_impl.h: Replace use of assert().
2490 * include/pstl/numeric_impl.h: Replace use of assert().
2491 * include/pstl/parallel_backend_tbb.h:
2492 Replace use of assert().
2493 Replace use of __TBB_ASSERT().
2494 * include/pstl/parallel_backend_utils.h: Replace use of assert().
2496 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
2499 * src/c++17/memory_resource.cc
2500 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
2501 needed to allow placing a _Chunk at the end of the buffer.
2502 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
2504 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
2506 * doc/xml/faq.xml: Add information about emergency EH pool.
2507 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
2508 Move outdated information on mt_allocator to a separate section.
2509 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
2510 doesn't affect the default allocator.
2512 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
2516 * testsuite/20_util/variant/89851.cc: New test.
2518 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
2520 * include/std/variant: Adjust whitespace. Add comments.
2521 (_Multi_array): Leave primary template undefined.
2522 (_Multi_array<_Tp>): Define partial specialization for base case of
2524 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
2525 which is always a reference.
2526 (__gen_vtable::_S_apply()): Remove function, inline body into
2527 default member initializer.
2528 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
2530 * include/std/variant (__variant_idx_cookie): Add member type.
2531 (__visitor_result_type): Remove.
2532 (__do_visit): Use invoke_result instead of __visitor_result_type.
2533 * testsuite/20_util/variant/visit.cc: New test.
2536 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
2538 * testsuite/20_util/variant/90008.cc: New test.
2540 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
2542 * include/pstl/algorithm_impl.h: Add namespace qualification.
2543 * include/pstl/execution_defs.h: Add namespace qualification.
2544 * include/pstl/execution_impl.h: Add namespace qualification.
2545 * include/pstl/numeric_impl.h: Add namespace qualification.
2546 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
2547 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
2548 * include/pstl/parallel_backend_utils.h: Include <cassert>.
2550 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
2552 Fix visit<R> for variant.
2553 * include/std/variant (__do_visit): Add a template parameter
2554 for enforcing same return types for visit.
2555 (__gen_vtable_impl): Likewise.
2556 (_S_apply_single_alt): Adjust.
2557 (__visit_invoke_impl): New. Handle casting to void.
2558 (__do_visit_invoke): New. Enforces same return types.
2559 (__do_visit_invoke_r): New. Converts return types.
2560 (__visit_invoke): Adjust.
2561 (__gen_vtable): Add a template parameter for enforcing
2562 same return types for visit.
2563 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
2564 different return types.
2565 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
2566 visitors with different return types don't accidentally
2567 compile with regular visitation.
2569 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
2571 * testsuite/27_io/filesystem/iterators/caching.cc: Add
2572 dg-require-filesystem-ts.
2574 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
2576 * doc/xml/manual/status_cxx2020.xml: Update status.
2577 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
2578 * testsuite/20_util/variant/visit_r.cc: New test.
2580 * include/bits/fs_dir.h (directory_iterator::operator*)
2581 (directory_iterator::operator->): Add noexcept.
2582 (operator==, operator!=): Replace namespace-scope equality operators
2583 for directory iterators with hidden friends.
2586 * config/abi/pre/gnu.ver: Add missing exports.
2587 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
2590 * config/abi/pre/gnu.ver: Export new symbols.
2591 * include/bits/fs_dir.h (recursive_directory_iterator::options())
2592 (recursive_directory_iterator::recursion_pending())
2593 (recursive_directory_iterator::disable_recursion_pending()): Remove
2594 inline definitions. Make noexcept.
2595 (recursive_directory_iterator::depth())
2596 (recursive_directory_iterator::operator*())
2597 (recursive_directory_iterator::operator->()): Make noexcept.
2598 (recursive_directory_iterator::_M_options)
2599 (recursive_directory_iterator::_M_pending): Remove data members.
2600 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
2601 (recursive_directory_iterator::recursive_directory_iterator): Remove
2602 ctor-initializer. Use new constructor for _Dir_stack.
2603 (recursive_directory_iterator::options())
2604 (recursive_directory_iterator::recursion_pending())
2605 (recursive_directory_iterator::disable_recursion_pending()): Add
2606 non-inline definitions.
2607 (recursive_directory_iterator::depth()): Make noexcept.
2608 (recursive_directory_iterator::increment(error_code&))
2609 (recursive_directory_iterator::pop(error_code&)): Adjust to new
2610 location of options and recursion_pending members.
2611 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
2612 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
2613 user-declared move constructor and assignment operator, to make the
2616 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
2617 d_type == DT_UNKNOWN immediately.
2618 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
2620 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
2622 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
2624 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
2625 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
2628 PR libstdc++/87431 (again)
2629 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
2630 Define partial specialization for basic_string.
2631 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
2632 shared_ptr and weak_ptr.
2633 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
2635 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
2637 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
2639 * include/debug/vector (_Never_valueless_alt): Likewise for debug
2641 * include/std/any (_Never_valueless_alt): Define explicit
2642 specialization for any.
2643 * include/std/variant (_Never_valueless_alt): Define primary template.
2644 (__never_valueless): Use _Never_valueless_alt instead of
2645 is_trivially_copyable.
2646 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
2647 initializations to avoid try-catch overhead. Add special case for
2648 scalars produced by potentially-throwing conversions. Use
2649 _Never_valueless_alt instead of is_trivially_copyable for the
2650 remaining strong exception-safety cases.
2651 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
2652 * testsuite/20_util/variant/87431.cc: Run both test functions.
2653 * testsuite/20_util/variant/exception_safety.cc: New test.
2654 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
2655 so the variant becomes valueless.
2657 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
2660 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
2662 (variant::emplace<_Tp>): Return result of emplace<N> directly.
2664 * include/std/string (__hash_string_base): New class template defining
2665 operator() for hashing strings.
2666 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
2667 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
2668 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
2669 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
2671 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
2673 Use single-visitation in variant assignment and swap and relops.
2674 Also use indices instead of types when checking whether
2675 variants hold the same thing.
2676 * include/std/variant (__do_visit): Add a template parameter
2677 for index visitation, invoke with indices if index visitation
2679 (__variant_idx_cookie): New.
2680 (__visit_with_index): Likewise.
2681 (_Copy_assign_base::operator=): Do single-visitation with
2683 (_Move_assign_base::operator=): Likewise.
2684 (_Extra_visit_slot_needed): Adjust.
2685 (__visit_invoke): Call with indices if it's an index visitor.
2686 (relops): Do single-visitation with an index visitor.
2688 (__visitor_result_type): New.
2690 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
2692 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
2694 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2696 Don't revisit a variant we are already visiting.
2697 * include/std/variant (__variant_construct_single): New.
2698 (__variant_construct): Use it.
2699 (_M_destructive_move): Likewise.
2700 (_M_destructive_copy): Likewise.
2701 (_Copy_assign_base::operator=): Adjust.
2702 (_Move_assign_base::operator=): Likewise.
2705 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
2708 * include/bits/hashtable.h (_Hashtable): Move static assertions to
2709 destructor so they are not evaluated until the _Key type is complete.
2710 * include/bits/stl_tree.h (_Rb_tree): Likewise.
2711 * testsuite/23_containers/set/85965.cc: New test.
2712 * testsuite/23_containers/unordered_set/85965.cc: New test.
2713 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
2714 with regexp matching the corresponding _Rb_tree specialization.
2715 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2716 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
2717 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2718 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2719 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2720 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2721 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2723 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2726 Fix based on a suggestion by Antony Polukhin.
2727 * include/std/variant (__never_valueless): New.
2729 (_Extra_visit_slot_needed): New.
2730 (_Multi_array): Use it.
2731 (_S_apply_all_alts): Likewise.
2733 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2736 Fix based on a suggestion by Antony Polukhin.
2737 * include/std/variant (__gen_vtable): Don't reserve an
2738 additional table slot, _Multi_array already does that.
2740 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2743 Fix based on a suggestion by Antony Polukhin.
2744 * include/std/variant (__variant_construct): Capture a pointer
2745 to the storage and visit just one variant.
2747 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
2749 * doc/xml/manual/backwards_compatibility.xml: Remove link to
2750 Doxygen-generated pages with unstable URL.
2751 * doc/xml/manual/concurrency_extensions.xml: Likewise.
2752 * doc/xml/manual/extensions.xml: Likewise.
2753 * doc/xml/manual/parallel_mode.xml: Likewise.
2754 * doc/xml/manual/support.xml: Likewise.
2756 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
2757 avoid -Wconversion warnings.
2759 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
2761 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
2762 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
2763 (allstamped): Add stamp-pstl.
2764 (install-headers): Add ptsl_builddir.
2765 * include/Makefile.in: Regenerate.
2766 * include/bits/c++config: Add pstl configuration.
2767 * include/pstl/LICENSE.txt: New file.
2768 * include/pstl/algorithm_fwd.h: New file.
2769 * include/pstl/algorithm_impl.h: New file.
2770 * include/pstl/execution_defs.h: New file.
2771 * include/pstl/execution_impl.h: New file.
2772 * include/pstl/glue_algorithm_defs.h: New file.
2773 * include/pstl/glue_algorithm_impl.h: New file.
2774 * include/pstl/glue_execution_defs.h: New file.
2775 * include/pstl/glue_memory_defs.h: New file.
2776 * include/pstl/glue_memory_impl.h: New file.
2777 * include/pstl/glue_numeric_defs.h: New file.
2778 * include/pstl/glue_numeric_impl.h: New file.
2779 * include/pstl/memory_impl.h: New file.
2780 * include/pstl/numeric_fwd.h: New file.
2781 * include/pstl/numeric_impl.h: New file.
2782 * include/pstl/parallel_backend.h: New file.
2783 * include/pstl/parallel_backend_tbb.h: New file.
2784 * include/pstl/parallel_backend_utils.h: New file.
2785 * include/pstl/parallel_impl.h: New file.
2786 * include/pstl/pstl_config.h: New file.
2787 * include/pstl/unseq_backend_simd.h: New file.
2788 * include/pstl/utils.h: New file.
2789 * include/std/algorithm: Include parallel algorithm implementations.
2790 * include/std/execution: New file.
2791 * include/std/memory: Include parallel algorithm implementations.
2792 * include/std/numeric: Include parallel algorithm implementations.
2793 * include/std/version: Add parallel algorithms feature test macro.
2794 * testsuite/util/pstl/pstl_test_config.h: New file.
2795 * testsuite/util/pstl/test_utils.h: New file.
2796 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2797 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2798 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2799 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2800 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2801 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2802 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2803 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2804 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2805 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2806 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2807 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2808 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2809 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2810 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2811 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2812 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2813 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2814 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2815 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2816 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2817 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2818 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2819 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2820 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2821 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2822 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2823 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2824 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2825 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2826 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2827 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2828 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2829 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2830 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2831 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2832 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2833 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2834 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2835 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2836 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2837 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2838 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2839 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2840 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2841 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2842 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2843 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2844 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2845 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2846 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2847 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2848 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2849 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2850 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2851 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2852 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2853 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2854 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2855 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2856 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2857 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2858 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2859 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2860 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2861 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2862 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2863 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2864 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2865 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2866 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2867 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2868 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2869 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2870 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2871 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2872 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2873 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2874 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2875 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2876 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2877 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2878 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2879 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2880 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2881 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2882 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2883 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2884 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2885 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2886 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2887 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2888 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2889 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2890 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2891 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2892 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2893 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2894 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2895 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2896 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2897 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2898 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2899 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2900 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2901 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2903 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
2905 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
2906 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
2907 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
2908 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
2909 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
2910 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
2911 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
2912 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
2913 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
2914 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
2915 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
2916 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
2917 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
2918 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
2919 when the special functions IS is enabled, not for C++17.
2920 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
2922 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
2923 without checks for special functions in C++17.
2924 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
2928 * include/backward/hash_map: Use <> for includes not "".
2929 * include/backward/hash_set: Likewise.
2930 * include/backward/strstream: Likewise.
2931 * include/tr1/bessel_function.tcc: Likewise.
2932 * include/tr1/exp_integral.tcc: Likewise.
2933 * include/tr1/legendre_function.tcc: Likewise.
2934 * include/tr1/modified_bessel_func.tcc: Likewise.
2935 * include/tr1/riemann_zeta.tcc: Likewise.
2937 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
2939 * doc/xml/manual/allocator.xml: Link to table documenting evolution
2940 of extension allocators.
2941 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
2942 Document new headers in 7.2, 8.1 and 9.1 releases.
2943 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
2944 * doc/html/*: Regenerate.
2946 2019-03-12 John David Anglin <dave.anglin@bell.net>
2949 * testsuite/lib/libstdc++.exp: Locate libatomic.
2950 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
2951 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
2953 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
2954 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
2955 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
2956 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
2958 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
2961 * configure.ac: Check for sockatmark.
2962 * crossconfig.m4: Check for sockatmark.
2963 * config.h.in: Regenerate.
2964 * configure: Regenerate.
2965 * include/experimental/internet (address_v4::_S_hton): Rename
2966 overloaded functions to _S_hton_16 and _S_ntoh_16.
2967 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
2968 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
2969 * include/experimental/socket (basic_socket::at_mark): Check
2970 _GLIBCXX_HAVE_SOCKATMARK.
2972 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
2973 const variables instead of macros.
2976 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
2977 Use correct type for len_aligned.
2978 * testsuite/20_util/hash/89629.cc: New test.
2980 2019-03-11 Jakub Jelinek <jakub@redhat.com>
2983 * include/std/atomic (atomic<T>::store, atomic<T>::load,
2984 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
2985 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
2986 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
2987 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
2988 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
2989 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
2990 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
2991 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
2992 memory_order_seq_cst to int.
2994 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
2996 * doc/xml/manual/using.xml: Use link element instead of xref.
2997 * doc/html/*: Regenerate.
2999 * include/bits/fs_path.h (path::format): Add fixed underlying type.
3001 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
3004 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
3005 parameters in deduction guides.
3006 * include/debug/multimap.h (multimap): Likewise.
3007 * include/debug/set.h (multimap): Likewise.
3008 * include/debug/multiset.h (multimap): Likewise.
3009 * include/debug/unordered_map (unordered_map): Likewise.
3010 (unordered_multimap): Likewise.
3011 * include/debug/unordered_set (unordered_set): Likewise.
3012 (unordered_multiset): Likewise.
3015 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
3016 Invalidate all iterators in case of rehash.
3017 (unordered_multimap<>::_M_check_rehashed): Likewise.
3018 * include/debug/unordered_set
3019 (unordered_set<>::_M_check_rehashed): Likewise.
3020 (unordered_multiset<>::_M_check_rehashed): Likewise.
3021 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
3023 2019-03-07 Andreas Schwab <schwab@suse.de>
3025 * config/abi/post/riscv64-linux-gnu: New directory.
3026 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
3028 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
3030 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
3031 compile test to run. Fix typo.
3033 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
3034 * doc/html/*: Regenerate.
3036 P0356R5 Simplified partial function application
3037 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
3038 helpers for bind_front.
3039 (bind_front, __cpp_lib_bind_front): Define.
3040 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
3042 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
3044 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
3045 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
3046 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
3047 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
3049 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
3051 PR libstdc++/86655 - std::assoc_legendre should not constrain
3052 the value of m (or x).
3053 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
3054 __sph_legendre): If degree > order Don't throw, return 0.
3055 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
3056 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
3057 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
3058 * testsuite/tr1/5_numerical_facilities/special_functions/
3059 02_assoc_legendre/pr86655.cc: New test.
3060 * testsuite/tr1/5_numerical_facilities/special_functions/
3061 22_sph_legendre/pr86655.cc: New test.
3063 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
3066 Also PR libstdc++/85517
3067 * include/std/variant (__do_visit): New.
3068 (__variant_cast): Likewise.
3069 (__variant_cookie): Likewise.
3070 (__erased_*): Remove.
3071 (_Variant_storage::_S_vtable): Likewise.
3072 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
3073 (_Variant_storage::__M_reset): Adjust.
3074 (__variant_construct): New.
3075 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
3076 __variant_construct.
3077 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
3078 (_Move_ctor_base::__M_destructive_copy): New.
3079 (_Move_ctor_base::__M_destructive_move): Adjust to use
3080 __variant_construct.
3081 (_Copy_assign_base::operator=): Adjust to use __do_visit.
3082 (_Copy_assign_alias): Adjust to check both copy assignment
3083 and copy construction for triviality.
3084 (_Move_assign_base::operator=): Adjust to use __do_visit.
3085 (_Multi_array): Add support for visitors that accept and return
3087 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
3088 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
3089 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
3090 a __variant_cookie temporary for a variant that is valueless and..
3091 (__gen_vtable_impl::__visit_invoke): ..adjust here.
3092 (__gen_vtable::_Array_type): Conditionally make space for
3093 the __variant_cookie visitor case.
3094 (__variant_construct_by_index): New.
3095 (get_if): Adjust to use std::addressof.
3096 (relops): Adjust to use __do_visit.
3097 (variant): Add __variant_cast and __variant_construct_by_index
3099 (variant::emplace): Use _M_reset() and __variant_construct_by_index
3100 instead of self-destruction.
3101 (variant::swap): Adjust to use __do_visit.
3102 (visit): Reimplement in terms of __do_visit.
3103 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
3104 * testsuite/20_util/variant/compile.cc: Adjust.
3105 * testsuite/20_util/variant/run.cc: Likewise.
3107 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
3109 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
3111 * testsuite/experimental/feat-char8_t.cc: Likewise.
3113 * include/std/type_traits [C++20] (is_bounded_array)
3114 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
3116 * testsuite/20_util/is_bounded_array/requirements/
3117 explicit_instantiation.cc: New test.
3118 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
3120 * testsuite/20_util/is_bounded_array/value.cc: New test.
3121 * testsuite/20_util/is_unbounded_array/requirements/
3122 explicit_instantiation.cc: New test.
3123 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
3125 * testsuite/20_util/is_unbounded_array/value.cc: New test.
3127 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
3129 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
3131 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
3133 * include/c_compatibility/math.h [C++20] (lerp): Add using
3135 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
3136 (__lerp): Define function template to implement lerp.
3137 (lerp(float, float, float), lerp(double, double, double))
3138 (lerp(long double, long double, long double)): Define for C++20.
3139 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
3140 (midpoint(T, T), midpoint(T*, T*)): Define.
3141 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
3142 * testsuite/26_numerics/lerp.cc: New test.
3143 * testsuite/26_numerics/midpoint/floating.cc: New test.
3144 * testsuite/26_numerics/midpoint/integral.cc: New test.
3145 * testsuite/26_numerics/midpoint/pointer.cc: New test.
3147 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
3149 PR libstdc++/88996 Implement P0439R0
3150 Make std::memory_order a scoped enumeration.
3151 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
3152 add variables for the old enumerators. Adjust calls.
3153 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
3154 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
3156 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
3158 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
3161 * include/std/memory_resource (polymorphic_allocator): Add default
3162 template argument for C++20.
3163 (polymorphic_allocator::allocate_bytes)
3164 (polymorphic_allocator::deallocate_bytes)
3165 (polymorphic_allocator::allocate_object)
3166 (polymorphic_allocator::deallocate_object)
3167 (polymorphic_allocator::new_object)
3168 (polymorphic_allocator::delete_object): New member functions for
3170 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
3173 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
3176 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
3179 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
3181 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
3182 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
3184 * include/std/memory (uses_allocator_construction_args): New set of
3185 overloaded functions.
3186 (make_obj_using_allocator, uninitialized_construct_using_allocator):
3188 * include/std/memory_resource (polymorphic_allocator::construct)
3189 [__cplusplus > 201703l]: Replace all overloads with a single function
3190 using uses_allocator_construction_args.
3191 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
3193 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
3195 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
3198 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
3199 stylesheet directories before check for xsltproc. Try to use
3200 xmlcatalog to find local stylesheet directory before trying hardcoded
3201 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
3202 check to look for the same stylesheet as doc/Makefile.am uses. Don't
3203 use xsltproc if xmlcatalog fails to find a local stylesheet.
3204 * configure.ac: Check for xmlcatalog.
3205 * Makefile.in: Regenerate.
3206 * configure: Likewise.
3207 * doc/Makefile.in: Likewise.
3208 * include/Makefile.in: Likewise.
3209 * libsupc++/Makefile.in: Likewise.
3210 * po/Makefile.in: Likewise.
3211 * python/Makefile.in: Likewise.
3212 * src/Makefile.in: Likewise.
3213 * src/c++11/Makefile.in: Likewise.
3214 * src/c++17/Makefile.in: Likewise.
3215 * src/c++98/Makefile.in: Likewise.
3216 * src/filesystem/Makefile.in: Likewise.
3217 * testsuite/Makefile.in: Likewise.
3219 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
3222 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
3223 container deduction guides.
3224 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
3225 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
3226 parameters in deduction guides.
3227 * include/bits/stl_multimap.h (multimap): Likewise.
3228 * include/bits/stl_multiset.h (multiset): Likewise.
3229 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
3230 * include/bits/stl_set.h (set): Likewise.
3231 * include/bits/stl_stack.h (stack): Likewise.
3232 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
3233 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
3234 constrain parameters in deduction guides.
3235 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
3237 * testsuite/23_containers/map/cons/deduction.cc: Test additional
3239 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
3240 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
3241 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
3242 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
3244 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
3246 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
3249 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
3250 to class template and partial specialization using void_t.
3251 (__is_copy_insertable, __is_move_insertable): Adjust base class.
3253 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
3256 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
3257 copy and move members public.
3259 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
3261 * include/std/type_traits (__underlying_type_impl): New helper to
3262 make underlying_type SFINAE-friendly.
3263 (underlying_type): Derive from __underlying_type_impl.
3264 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
3268 * include/bits/char_traits.h (__constant_char_array): Check index is
3269 in range before dereferencing.
3270 (char_traits<char>::compare, char_traits<char>::find)
3271 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
3272 immediately if n is zero.
3273 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
3274 Remove workarounds for PR 67026.
3275 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
3277 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
3280 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
3282 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
3283 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
3285 2019-02-22 Jakub Jelinek <jakub@redhat.com>
3288 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
3289 type to std::size_t and argument to type to long double.
3291 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
3293 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
3294 * config/abi/post/sparc64-linux-gnu: New directory.
3295 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
3296 * config/abi/post/sparc64-linux-gnu/32: New directory.
3297 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
3299 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
3301 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
3302 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
3305 2019-02-22 Tom Honermann <tom@honermann.net>
3307 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
3308 printers for u8string and u8string_view.
3310 2019-02-22 Tom Honermann <tom@honermann.net>
3312 * testsuite/18_support/byte/ops.cc: Validate
3313 std::to_integer<char8_t>, std::to_integer<char16_t>, and
3314 std::to_integer<char32_t>.
3315 * testsuite/18_support/numeric_limits/dr559.cc: Validate
3316 std::numeric_limits<char8_t>.
3317 * testsuite/18_support/numeric_limits/lowest.cc: Validate
3318 std::numeric_limits<char8_t>::lowest().
3319 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
3320 std::numeric_limits<char8_t>::max_digits10.
3321 * testsuite/18_support/type_info/fundamental.cc: Validate
3322 typeinfo for char8_t.
3323 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
3324 std::from_chars with char8_t.
3325 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
3326 Validate explicit instantiation of std::hash<char8_t>.
3327 * testsuite/20_util/is_integral/value.cc: Validate
3328 std::is_integral<char8_t>.
3329 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
3330 Validate std::make_signed<char8_t>.
3331 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
3332 Validate u8string construction from char8_t sources.
3333 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
3335 * testsuite/21_strings/basic_string_view/operations/compare/
3336 char/70483.cc: Validate substr operations on u8string_view.
3337 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
3338 the u8string_view typedef is defined.
3339 * testsuite/21_strings/char_traits/requirements/
3340 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
3342 * testsuite/21_strings/char_traits/requirements/
3343 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
3344 constexpr member functions.
3345 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
3346 that the u8string typedef is defined.
3347 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
3348 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
3349 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
3350 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
3352 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
3353 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
3355 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
3356 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
3357 Validate std::atomic<char8_t>::is_always_lock_free
3358 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
3359 Update line numbers.
3360 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
3362 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
3364 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
3365 Validate std::experimental::pmr::u8string.
3366 * testsuite/experimental/string_view/typedefs.cc: Validate that the
3367 u8string_view typedef is defined.
3368 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
3369 char32_t to the typelists.
3371 2019-02-22 Tom Honermann <tom@honermann.net>
3373 * include/ext/typelist.h: Constrain a partial specialization of
3374 typelist::detail::append_ to only match chain<T1,T2>.
3376 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
3379 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
3380 class template with class. Replace move and copy member types with
3381 member alias templates, so they are only instantiated when needed.
3382 (__is_copy_insertable, __is_move_insertable): Adjust base class.
3383 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
3384 test for C++11/14/17 as well.
3385 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
3388 2019-02-20 Jakub Jelinek <jakub@redhat.com>
3391 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
3392 _GLIBCXX_PURE to the alias declaration.
3394 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
3396 * testsuite/21_strings/basic_string/literals/types.cc
3397 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
3398 * testsuite/21_strings/basic_string/literals/values.cc
3399 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3400 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
3401 potentially having different type.
3402 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
3403 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
3405 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
3406 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
3407 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
3408 string literals only using basic character set.
3409 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
3410 u8 literals to char.
3411 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
3412 Test ATOMIC_CHAR8_T_LOCK_FREE.
3413 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
3414 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
3415 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
3416 * testsuite/experimental/string_view/literals/types.cc
3417 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
3419 * testsuite/experimental/string_view/literals/values.cc
3420 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3422 2019-02-19 Tom Honermann <tom@honermann.net>
3424 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
3425 from char16_32_t.cc; validates numeric_limits<char8_t>.
3426 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
3427 test cloned from types.cc; validates operator""s for char8_t
3429 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
3430 test cloned from values.cc; validates construction and comparison
3432 * testsuite/21_strings/basic_string/requirements/
3433 /explicit_instantiation/char8_t/1.cc: New test cloned from
3434 char16_t/1.cc; validates explicit instantiation of
3435 basic_string<char8_t>.
3436 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
3437 New test cloned from types.cc; validates operator""sv for char8_t
3438 returns u8string_view.
3439 * testsuite/21_strings/basic_string_view/literals/
3440 values-char8_t.cc: New test cloned from values.cc; validates
3441 construction and comparison of u8string_view values.
3442 * testsuite/21_strings/basic_string_view/requirements/
3443 explicit_instantiation/char8_t/1.cc: New test cloned from
3444 char16_t/1.cc; validates explicit instantiation of
3445 basic_string_view<char8_t>.
3446 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
3447 New test cloned from char16_t/65049.cc; validates that
3448 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
3449 * testsuite/21_strings/char_traits/requirements/char8_t/
3450 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
3451 that char_traits<char8_t> member typedefs are present and correct.
3452 * testsuite/21_strings/char_traits/requirements/
3453 explicit_instantiation/char8_t/1.cc: New test cloned from
3454 char16_t/1.cc; validates explicit instantiation of
3455 char_traits<char8_t>.
3456 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
3457 from char16_t.cc: validates
3458 codecvt<char16_t, char8_t, mbstate_t>.
3459 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
3460 from char32_t.cc: validates
3461 codecvt<char32_t, char8_t, mbstate_t>.
3462 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
3463 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
3464 codecvt<char32_t, char8_t, std::mbstate_t>.
3465 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
3466 test cloned from string.cc; validates filesystem::path construction
3468 * testsuite/experimental/feat-char8_t.cc: New test; validates that
3469 the __cpp_lib_char8_t feature test macro is defined with the
3471 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3472 New test cloned from string.cc; validates filesystem::path
3473 construction from char8_t input.
3474 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
3475 test cloned from types.cc; validates operator""sv for char8_t
3476 returns u8string_view.
3477 * testsuite/experimental/string_view/literals/values-char8_t.cc:
3478 New test cloned from values.cc; validates construction and
3479 comparison of u8string_view values.
3480 * testsuite/experimental/string_view/requirements/
3481 explicit_instantiation/char8_t/1.cc: New test cloned from
3482 char16_t/1.cc; validates explicit instantiation of
3483 basic_string_view<char8_t>.
3484 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
3485 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
3488 2019-02-19 Tom Honermann <tom@honermann.net>
3490 P0482R5 char8_t: Standard library support
3491 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
3492 typeinfo symbols for char8_t.
3493 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
3494 (GLIBCXX_3.4.26): Add symbols for specializations of
3495 numeric_limits and codecvt that involve char8_t.
3496 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
3497 * include/bits/atomic_base.h: Add atomic_char8_t.
3498 * include/bits/basic_string.h: Add std::hash<u8string> and
3499 operator""s(const char8_t*, size_t).
3500 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
3502 * include/bits/char_traits.h: Add char_traits<char8_t>.
3503 * include/bits/codecvt.h: Add
3504 codecvt<char16_t, char8_t, mbstate_t>,
3505 codecvt<char32_t, char8_t, mbstate_t>,
3506 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3507 codecvt_byname<char32_t, char8_t, mbstate_t>.
3508 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
3509 recognize char8_t as an integral type.
3510 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
3512 (path::u8string): Return std::u8string when char8_t support is
3514 (path::generic_u8string): Likewise.
3515 (path::_S_convert): Handle conversion from char8_t input.
3516 (path::_S_str_convert): Likewise.
3517 * include/bits/functional_hash.h: Add hash<char8_t>.
3518 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
3520 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
3521 for new char8_t specializations.
3522 * include/bits/localefwd.h: Add missing declarations of
3523 codecvt<char16_t, char, mbstate_t> and
3524 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
3525 codecvt<char16_t, char8_t, mbstate_t> and
3526 codecvt<char32_t, char8_t, mbstate_t>.
3527 * include/bits/postypes.h: Add u8streampos
3528 * include/bits/stringfwd.h: Add declarations of
3529 char_traits<char8_t> and u8string.
3530 * include/c_global/cstddef: Add __byte_operand<char8_t>.
3531 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3533 (path::u8string): Return std::u8string when char8_t support is
3535 (path::generic_u8string): Likewise.
3536 (path::_S_convert): Handle conversion from char8_t input.
3537 (path::_S_str_convert): Likewise.
3538 * include/experimental/string: Add u8string.
3539 * include/experimental/string_view: Add u8string_view,
3540 hash<experimental::u8string_view>, and
3541 operator""sv(const char8_t*, size_t).
3542 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
3543 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
3544 as a character type.
3545 * include/std/limits: Add numeric_limits<char8_t>.
3546 * include/std/string_view: Add u8string_view,
3547 hash<experimental::u8string_view>, and
3548 operator""sv(const char8_t*, size_t).
3549 * include/std/type_traits: Add __is_integral_helper<char8_t>,
3550 __make_unsigned<char8_t>, and __make_signed<char8_t>.
3551 * libsupc++/atomic_lockfree_defines.h: Define
3552 ATOMIC_CHAR8_T_LOCK_FREE.
3553 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
3554 codecvt.cc and limits.cc so that char8_t specializations of
3555 numeric_limits and codecvt and emitted.
3556 * src/c++11/Makefile.in: Likewise.
3557 * src/c++11/codecvt.cc: Define members of
3558 codecvt<char16_t, char8_t, mbstate_t>,
3559 codecvt<char32_t, char8_t, mbstate_t>,
3560 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3561 codecvt_byname<char32_t, char8_t, mbstate_t>.
3562 * src/c++11/limits.cc: Define members of
3563 numeric_limits<char8_t>.
3564 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
3565 locale_init.cc and localename.cc.
3566 * src/c++98/Makefile.in: Likewise.
3567 * src/c++98/locale_init.cc: Add initialization for the
3568 codecvt<char16_t, char8_t, mbstate_t> and
3569 codecvt<char32_t, char8_t, mbstate_t> facets.
3570 * src/c++98/localename.cc: Likewise.
3571 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
3573 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
3575 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
3576 * 27_io/filesystem/operations/resize_file.cc: Likewise.
3577 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
3579 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
3581 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
3582 * doc/html/*: Regenerate.
3584 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
3585 * doc/html/*: Regenerate.
3587 * doc/xml/manual/intro.xml: Document LWG 2586 status.
3588 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
3589 allocator type in is_constructible checks.
3590 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
3591 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
3592 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
3593 problematic type from LWG 2586 discussion.
3594 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
3595 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
3597 * configure.ac: Check for C11 timespec_get function.
3598 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
3600 * config.h.in: Regenerate.
3601 * configure: Regenerate.
3602 * include/c_global/ctime (timespec, timespec_get): Add to namespace
3603 std for C++17 and up.
3605 * doc/xml/manual/intro.xml: Document LWG 2537 status.
3606 * include/bits/stl_queue.h
3607 (priority_queue(const Compare&, const Container&, const Alloc&))
3608 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
3610 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
3612 * doc/xml/manual/intro.xml: Document LWG 2566 status.
3613 * include/bits/stl_queue.h (queue, priority_queue): Add static
3614 assertions to enforce LWG 2566 requirement on value_type.
3615 * include/bits/stl_stack.h (stack): Likewise.
3618 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
3620 * doc/xml/manual/intro.xml: Document LWG 2735 status.
3621 * include/bits/std_abs.h: Add comment about LWG 2735.
3622 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
3624 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
3627 * include/std/version [__cpp_impl_destroying_delete]
3628 (__cpp_lib_destroying_delete): Only define for C++2a and later.
3629 * libsupc++/new [__cpp_impl_destroying_delete]
3630 (__cpp_lib_destroying_delete): Likewise.
3631 (destroying_delete_t, destroying_delete): Likewise, but define even
3632 when __cpp_impl_destroying_delete is not defined.
3633 * testsuite/18_support/destroying_delete.cc: New test.
3635 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
3638 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
3639 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
3640 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
3641 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
3643 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
3646 * include/bits/fs_path.h (path::has_root_name)
3647 (path::has_root_directory, path::has_root_path)
3648 (path::has_relative_path, path::has_parent_path)
3649 (path::has_filename, path::has_stem, path::has_extension)
3650 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
3652 * src/c++17/fs_path.cc (path::has_root_name)
3653 (path::has_root_directory, path::has_root_path)
3654 (path::has_relative_path, path::has_parent_path)
3655 (path::has_filename, path::_M_find_extension): Add noexcept.
3657 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
3659 PR libstdc++/89102 (partial)
3660 * include/std/type_traits (common_type<>): Define.
3661 (common_type<T>): Derive from common_type<T, T>.
3662 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3663 Test zero-length template argument list.
3664 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3665 Test additional single argument cases.
3666 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3667 Adjust expected error.
3669 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
3672 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
3674 * include/bits/stl_stack.h (stack): Likewise.
3675 * testsuite/23_containers/priority_queue/deduction.cc: New test.
3676 * testsuite/23_containers/queue/deduction.cc: New test.
3677 * testsuite/23_containers/stack/deduction.cc: New test.
3680 * include/std/type_traits (__is_convertible_helper)
3681 (__is_convertible_helper<_From, _To, false>): Revert changes to
3682 support is_nothrow_convertible.
3683 (__is_nt_convertible_helper): New helper.
3684 (is_nothrow_convertible): Use __is_nt_convertible_helper.
3686 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
3687 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
3690 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
3691 __is_alloc_insertable_impl. Replace single type member with two
3692 members, one for each of copy and move insertable.
3693 (__is_move_insertable): New trait for internal use.
3694 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
3695 (vector::_S_nothrow_relocate(true_type)): New functions to
3696 conditionally check if __relocate_a can throw.
3697 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
3698 on __is_move_insertable.
3699 (vector::_S_do_relocate): New overloaded functions to conditionally
3701 (vector::_S_relocate): New function that dispatches to _S_do_relocate
3702 based on _S_use_relocate.
3703 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3704 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
3705 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
3708 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
3709 parameter unnamed. Add message to static assertion.
3710 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3711 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
3714 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
3717 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
3719 (__is_bitwise_relocatable): ... to this.
3720 (__relocate_a_1): Adapt.
3721 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
3722 (__is_bitwise_relocatable): ... to this.
3724 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
3727 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
3728 final component as well as from _M_pathname. Append the dot using
3729 operator+= instead of only to _M_pathname.
3730 (path::_M_find_extension): Reformat slightly.
3731 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
3732 Add more test cases.
3734 2019-01-30 Ulrich Drepper <drepper@redhat.com>
3736 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
3738 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
3740 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
3741 constexpr specifiers from arg and proj.
3743 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
3744 __shared_ptr instantiations used by gcc4-compatible ABI.
3746 * include/experimental/forward_list (experimental::erase): Qualify
3748 * include/experimental/list (experimental::erase): Likewise.
3749 * include/std/forward_list (std::erase): Likewise.
3750 * include/std/list (std::erase): Likewise.
3752 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
3754 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
3755 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
3756 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
3757 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
3758 * testsuite/ext/array_allocator/26875.cc: Likewise.
3759 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
3760 * testsuite/util/replacement_memory_operators.h: Likewise.
3761 * testsuite/util/testsuite_allocator.h: Likewise.
3763 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
3764 normal mode vector, even for debug mode.
3765 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
3766 Define alias template for normal mode vector.
3768 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
3771 * config/locale/generic/c_locale.h (__convert_from_v)
3772 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3773 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3774 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
3775 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3777 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
3780 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
3781 data member with static member function _S_use_relocate().
3782 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3783 (vector::_M_default_append): Use _S_use_relocate() instead of
3786 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
3789 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
3792 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
3793 write to stderr instead of using printf.
3795 2019-01-21 Jakub Jelinek <jakub@redhat.com>
3798 * include/bits/char_traits.h (__constant_string_p,
3799 __constant_char_array_p): Use __builtin_is_constant_evaluated if
3802 2019-01-20 Ulrich Drepper <drepper@redhat.com>
3804 Implement C++20 P0600r1.
3805 * include/backward/hash_map: Add nodiscard attribute to empty.
3806 * include/backward/hash_set: Likewise.
3807 * backward/hashtable.h: Likewise.
3808 * include/bits/basic_string.h: Likewise.
3809 * include/bits/forward_list.h: Likewise.
3810 * include/bits/hashtable.h: Likewise.
3811 * include/bits/regex.h: Likewise.
3812 * include/bits/stl_deque.h: Likewise.
3813 * include/bits/stl_list.h: Likewise.
3814 * include/bits/stl_map.h: Likewise.
3815 * include/bits/stl_multimap.h: Likewise.
3816 * include/bits/stl_multiset.h: Likewise.
3817 * include/bits/stl_queue.h: Likewise.
3818 * include/bits/stl_set.h: Likewise.
3819 * include/bits/stl_stack.h: Likewise.
3820 * include/bits/stl_tree.h: Likewise.
3821 * include/bits/stl_vector.h: Likewise.
3822 * include/bits/unordered_map.h: Likewise.
3823 * include/bits/unordered_set.h: Likewise.
3824 * include/debug/array: Likewise.
3825 * include/experimental/any: Likewise.
3826 * include/experimental/bits/fs_path.h: Likewise.
3827 * include/experimental/internet: Likewise.
3828 * include/experimental/string_view: Likewise.
3829 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
3831 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
3833 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
3835 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
3837 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
3839 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
3841 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
3843 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
3845 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3846 info_fn_imps.hpp: Likewise.
3847 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3848 left_child_next_sibling_heap_.hpp: Likewise.
3849 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
3851 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
3853 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
3855 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
3857 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
3859 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
3861 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
3863 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
3864 * include/ext/pb_ds/trie_policy.hpp: Likewise.
3865 * include/ext/rope: Likewise.
3866 * include/ext/slist: Likewise.
3867 * include/ext/vstring.h: Likewise.
3868 * include/profile/array: Likewise.
3869 * include/std/array: Likewise.
3870 * include/tr1/array: Likewise.
3871 * include/tr1/hashtable.h: Likewise.
3872 * include/tr1/regex: Likewise.
3873 * include/tr2/dynamic_bitset: Likewise.
3874 * include/bits/alloc_traits.h: Add nodiscard attribute to
3876 * include/experimental/memory_resource: Likewise.
3877 * include/ext/alloc_traits.h: Likewise.
3878 * include/ext/array_allocator.h: Likewise.
3879 * include/ext/bitmap_allocator.h: Likewise.
3880 * include/ext/debug_allocator.h: Likewise.
3881 * include/ext/extptr_allocator.h: Likewise.
3882 * include/ext/mt_allocator.h: Likewise.
3883 * include/ext/new_allocator.h: Likewise.
3884 * include/ext/pool_allocator.h: Likewise.
3885 * include/ext/throw_allocator.h: Likewise.
3886 * include/std/scoped_allocator: Likewise.
3887 * libsupc++/eh_alloc.cc: Likewise.
3888 * include/std/future: Add nodiscard attribute to async.
3889 * libsupc++/new: Add nodiscard attribute to new.
3891 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
3896 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
3897 * include/bits/shared_ptr.h
3898 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
3899 (allocate_shared): Change to use new tag type.
3900 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
3901 Declare new member function.
3902 (_Sp_alloc_shared_tag): Define new type.
3903 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
3904 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
3905 _Sp_make_shared_tag::_S_eq to check type_info.
3906 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
3907 Constrain to prevent being called with _Sp_alloc_shared_tag.
3908 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
3909 Replace constructor with ...
3910 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
3911 reference parameter so address of the new object can be returned to
3912 the caller. Obtain the allocator from the tag type.
3913 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
3914 constructor with ...
3915 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
3916 to the __shared_count constructor.
3917 (__allocate_shared): Change to use new tag type.
3918 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
3920 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
3922 * src/c++17/fs_ops.cc
3923 (equivalent(const path&, const path&, error_code&))
3924 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
3925 compare files instead of relying on incomplete info returned by stat.
3928 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
3929 if the path is already absolute.
3930 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
3931 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
3934 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
3935 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
3936 of filesystem::exists.
3937 (create_directories(const path&, error_code&)): Add assertions.
3938 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
3939 Add workaround for bug in _wstat for paths with trailing slash.
3940 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
3941 for expected behaviour on mingw.
3942 * testsuite/experimental/filesystem/operations/create_directories.cc:
3944 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
3945 "TMP" instead of "TMPDIR" and clean environment before each test. Do
3946 not test permissions on mingw targets.
3948 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
3950 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
3951 constructors and open members taking wide strings. Fix patterns for
3952 filesystem::path members to match wstring_view parameters. Add
3953 exports for shared_ptr members used by directory iterators.
3954 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
3955 error code parameter if the file doesn't exist.
3956 * src/filesystem/ops.cc (remove(const path&, error_code&)):
3958 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
3959 values for mingw targets, where "/" is not an absolute path. Do not
3960 test symlinks on mingw targets.
3961 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3962 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
3964 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3965 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
3966 that each component of the path is created.
3967 * testsuite/experimental/filesystem/operations/create_directories.cc:
3969 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
3970 permissions on mingw targets.
3971 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3972 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
3973 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3974 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
3976 * testsuite/experimental/filesystem/operations/permissions.cc:
3978 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
3979 symlinks or permissions on mingw targets.
3980 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3981 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
3982 symlinks on mingw targets.
3983 * testsuite/experimental/filesystem/operations/remove_all.cc:
3985 * testsuite/27_io/filesystem/operations/status.cc: Do not test
3986 permissions on mingw targets.
3987 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
3988 test symlinks on mingw targets.
3989 * testsuite/experimental/filesystem/operations/space.cc: Fix test
3992 2019-02-14 Ulrich Drepper <drepper@redhat.com>
3995 Warn about unused comparisons of shared_ptr/unique_ptr
3996 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
3997 * include/bits/shared_ptr.h: Use it for operator ==, !=,
3998 <, <=, >, >= for shared_ptr.
3999 * include/bits/unique_ptr.h: Likewise for unique_ptr.
4001 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
4003 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
4004 as 201611L, because P0497R0 changes are supported.
4005 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
4007 * include/bits/erase_if.h [__cplusplus > 201703L]
4008 (__cpp_lib_erase_if): Only define for C++2a.
4009 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
4010 (__cpp_lib_null_iterators): Define.
4011 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
4012 (__cpp_lib_null_iterators): Define.
4013 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
4015 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
4017 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
4019 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
4020 changes are supported.
4021 * include/std/optional (__cpp_lib_optional): Likewise.
4022 * include/std/variant (__cpp_lib_variant): Likewise.
4023 * include/std/version [!__STRICT_ANSI__]
4024 (__cpp_lib_uncaught_exceptions): Define as long integer.
4025 [__cplusplus >= 201703L] (__cpp_lib_any)
4026 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
4027 (__cpp_lib_variant): Define for C++17.
4028 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
4030 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
4033 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
4035 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
4039 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
4041 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
4044 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
4046 * doc/xml/manual/intro.xml: Include new section.
4047 * doc/xml/manual/status_cxx2017.xml: Document more
4048 implementation-defined properties of the library.
4049 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
4050 * doc/html/*: Regenerate.
4052 * include/bits/refwrap.h [__cplusplus > 201703L]
4053 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
4054 (_Reference_wrapper_base_memfun): Do not define for C++2a.
4055 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
4057 (reference_wrapper::operator()): Add static assertion.
4058 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
4060 * include/std/chrono (duration_values::zero(), duration_values::min())
4061 (duration_values::max()): Add noexcept.
4062 (duration::zero(), duration::min(), duration::max()): Likewise.
4063 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
4064 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
4065 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
4067 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
4069 2019-01-11 Jakub Jelinek <jakub@redhat.com>
4071 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
4072 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
4074 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
4077 * include/bits/functional_hash.h (hash<nullptr_t>): Define
4078 specialization for C++17 (P0513R0, LWG 2817).
4079 * testsuite/20_util/hash/nullptr.cc: New test.
4082 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
4083 pattern for std::basic_stringbuf::str().
4085 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
4086 basic_ostream::operator<< patterns.
4088 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
4090 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
4091 test failures on targets with 32-bit time_t.
4093 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
4094 * include/std/deque: Likewise.
4095 * include/std/forward_list: Likewise.
4096 * include/std/list: Likewise.
4097 * include/std/string: Likewise.
4098 * include/std/vector: Likewise.
4099 * include/std/version: Likewise.
4100 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
4101 * testsuite/23_containers/deque/erasure.cc: Likewise.
4102 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
4103 * testsuite/23_containers/list/erasure.cc: Likewise.
4104 * testsuite/23_containers/map/erasure.cc: Likewise.
4105 * testsuite/23_containers/set/erasure.cc: Likewise.
4106 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
4107 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
4108 * testsuite/23_containers/vector/erasure.cc: Likewise.
4110 * include/experimental/internet [AI_NUMERICSERV]
4111 (resolver_base::numeric_service): Define conditionally.
4112 * testsuite/experimental/net/internet/resolver/base.cc: Test it
4114 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
4117 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
4118 Jonathan Wakely <jwakely@redhat.com>
4121 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
4122 (GLIBCXX_3.4.26): Add new exports.
4123 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
4124 correct list of sources.
4125 * include/Makefile.in: Regenerate.
4126 * include/std/ostream (operator<<(nullptr_t)): New member function.
4127 * src/c++17/ostream-inst.cc: New file.
4128 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
4131 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
4133 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
4134 of the source file containing the caller.
4135 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
4136 directories created by test.
4137 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4139 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4141 * testsuite/experimental/filesystem/iterators/
4142 recursive_directory_iterator.cc: Likewise.
4144 2019-01-10 Jakub Jelinek <jakub@redhat.com>
4146 PR tree-optimization/88775
4147 * include/bits/stl_function.h (greater<_Tp*>::operator(),
4148 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
4149 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
4150 instead of __builtin_constant_p if available. Don't bother with
4151 the pointer comparison in C++11 and earlier.
4153 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
4157 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
4160 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
4162 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
4163 for filesystem::path. Give variables more distinctive names.
4165 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
4166 member function to perform non-trivial assignment.
4167 (_Optional_payload_base::_M_move_assign): Likewise.
4168 (_Optional_payload<T, true, false, true>::operator=)
4169 (_Optional_payload<T, true, true, false>::operator=)
4170 (_Optional_payload<T, true, false, false>::operator=): Call
4171 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
4174 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
4175 test std::complex<long double> if long double format is IBM128.
4176 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
4179 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
4181 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
4182 for old std::unique_ptr layout.
4183 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
4184 to become valueless. Add filesystem::path tests.
4187 * include/std/optional (_Optional_payload_base): New class template
4188 for common code hoisted from _Optional_payload specializations. Use
4189 a template for the union, to allow a partial specialization for
4190 types with non-trivial destructors. Add constructors for in-place
4191 initialization to the union.
4192 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
4193 to perform non-trivial copy construction, instead of relying on
4194 non-standard copy elision in a delegating constructor.
4195 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
4196 non-trivial move construction.
4197 (_Optional_payload): Derive from _Optional_payload_base and use it
4198 for everything except the non-trivial assignment operators, which are
4200 (_Optional_payload<false, C, M>): Derive from the specialization
4201 _Optional_payload<true, false, false> and add a destructor.
4202 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
4203 Forward to corresponding members of _Optional_payload.
4204 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
4205 Hoist common members from _Optional_base.
4206 (_Optional_base): Make all members and base class public.
4207 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
4208 _Optional_base_impl.
4209 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
4210 support for new std::optional layout.
4211 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
4214 * include/bits/locale_conv.h: Use <> for includes not "".
4215 * include/ext/random: Likewise.
4216 * include/ext/vstring.h: Likewise.
4218 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4220 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
4221 (GLIBCXX_3.4.21): Likewise.
4223 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
4226 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
4227 to match the one that controls whether utimbuf and utime are declared.
4229 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
4232 * include/bits/char_traits.h (char_traits::move): Do not pass null
4233 pointers to memmove.
4234 * include/bits/locale_facets.h
4235 (ctype<char>::widen(const char*, const char*, char*)): Do not
4236 pass null pointers to memcpy.
4237 (ctype<char>::narrow(const char*, const char*, char, char*)):
4239 (ctype<char>::do_widen(const char*, const char*, char*)):
4241 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
4244 * doc/xml/manual/spine.xml: Update copyright years.
4245 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
4246 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
4247 for C++17 filesystem library.
4248 * doc/html/*: Regenerate.
4250 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
4251 * config.h.in: Regenerate.
4252 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
4253 alphabetically and add missing entries for copy_symlink,
4254 hard_link_count, rename, and resize_file.
4255 * configure: Regenerate.
4256 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
4257 used unconditionally.
4258 * src/filesystem/ops-common.h (__gnu_posix::truncate)
4259 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
4260 supports truncating to zero length.
4261 * testsuite/27_io/filesystem/operations/all.cc: New test.
4262 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
4264 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
4267 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
4268 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
4269 * config.h.in: Regenerate.
4270 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
4271 remaining std::filesystem types and functions.
4272 * configure: Regenerate.
4273 * src/c++17/Makefile.am: Add C++17 filesystem sources.
4274 * src/c++17/Makefile.in: Regenerate.
4275 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
4276 here, and change name of included file.
4277 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
4278 here, and change name of included file.
4279 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
4280 path to dir-common.h.
4281 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
4282 path to ops-common.h. Disable -Wunused-parameter warnings.
4283 (internal_file_clock): Define unconditionally.
4284 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
4286 (do_copy_file, do_space): Move definitions to ops.common.h.
4287 (copy, file_size, hard_link_count, last_write_time, space): Only
4288 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
4290 (last_write_time, read_symlink): Remove unused attributes from
4292 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
4293 * src/filesystem/Makefile.in: Regenerate.
4294 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
4295 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
4296 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
4297 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
4298 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
4299 dummy types and functions instead of using #error.
4300 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
4301 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
4303 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
4304 (do_copy_file, do_space): Move definitions here from std-ops.cc.
4305 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
4306 to account for new namespace.
4307 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
4308 -lstdc++fs from dg-options.
4309 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
4310 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
4311 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
4312 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
4313 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
4315 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
4316 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4318 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
4319 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
4320 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
4321 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
4322 * testsuite/27_io/filesystem/operations/create_directories.cc:
4324 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
4325 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
4326 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
4327 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
4328 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
4329 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
4330 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
4331 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
4332 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
4333 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
4334 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
4335 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
4336 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
4337 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
4338 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
4339 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
4340 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
4341 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
4343 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
4347 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
4348 typeinfo and vtables less greedy.
4349 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
4350 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
4351 * src/c++17/Makefile.in: Regenerate.
4352 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
4353 here, and change name of included file.
4354 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
4355 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
4357 * src/filesystem/Makefile.in: Regenerate.
4358 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
4359 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
4360 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
4361 from dg-options and remove dg-require-filesystem-ts.
4362 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
4363 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
4364 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
4365 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
4366 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
4367 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
4368 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
4369 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
4370 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
4371 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
4372 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
4373 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
4374 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
4375 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
4376 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
4377 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
4378 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
4379 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
4380 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
4381 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
4382 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
4384 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
4385 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
4386 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
4387 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
4388 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
4389 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
4390 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
4391 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
4392 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
4393 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
4394 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
4395 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
4397 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
4399 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4401 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
4403 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
4404 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4405 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
4406 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
4407 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
4408 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
4409 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
4410 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
4411 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
4412 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
4414 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
4415 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
4416 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
4417 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
4418 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
4421 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
4422 Check is_trivially_copyable instead of is_scalar.
4423 (variant::emplace<N, Args>(Args&&...)): If construction of the new
4424 contained value can throw and its type is trivially copyable then
4425 construct into a temporary variant and move from it, to provide the
4426 strong exception safety guarantee.
4427 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
4429 * testsuite/20_util/variant/87431.cc: New test.
4430 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
4431 conversion causes valueless state.
4434 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
4435 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
4436 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
4437 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
4438 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
4440 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
4442 * include/bits/fs_fwd.h (__file_clock): Define new clock.
4443 (file_time_type): Redefine in terms of __file_clock.
4444 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
4446 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
4448 (internal_file_lock): New helper type for accessing __file_clock.
4449 (do_copy_file): Use internal_file_lock to convert system time to
4451 (last_write_time(const path&, error_code&)): Likewise.
4452 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
4454 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
4456 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
4457 for const member functions of std::basic_string.
4458 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
4460 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
4461 Make non-standard constructor private.
4462 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
4464 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
4465 explicit instantiations for C++17 as well as earlier dialects.
4466 * src/c++17/Makefile.am: Add new source files.
4467 * src/c++17/Makefile.in: Regenerate.
4468 * src/c++17/cow-string-inst.cc: New file defining explicit
4469 instantiations for basic_string member functions added in C++17.
4470 * src/c++17/string-inst.cc: Likewise.
4472 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
4473 copy/move constructors for old std::basic_string.
4474 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
4475 (basic_string::reference, basic_string::const_reference): Define
4476 as plain references for C++11 and later.
4477 (basic_string::basic_string()): Put constructor body outside
4478 preprocessor conditional groups.
4479 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
4480 instead of copying it.
4481 (basic_string::basic_string(const basic_string&, const _Alloc&)):
4483 (basic_string::basic_string(basic_string&&, const _Alloc&)):
4485 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
4486 cases for old basic_string.
4487 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
4488 allocator-extended constructors unconditionally. Add extra members to
4489 allocator type when using old string ABI.
4490 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
4492 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
4494 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
4495 -fno-inline added to test flags.
4497 * testsuite/21_strings/basic_string/requirements/
4498 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
4500 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
4501 assertion failures with old std::string ABI.
4503 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
4505 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
4506 functions that will only erase elements at the end.
4507 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
4508 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
4509 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
4511 (path::_List::pop_back()): Define.
4512 (path::_List::_M_erase_from(const_iterator)): Define.
4513 (path::operator/=(const path&)): Use pop_back to remove last component
4514 and _M_erase_from to remove multiple components.
4515 (path::_M_append(basic_string_view<value_type>)): Likewise.
4516 (path::operator+=(const path&)): Likewise.
4517 (path::_M_concat(basic_string_view<value_type>)): Likewise.
4518 (path::remove_filename()): Likewise.
4519 (path::lexically_normal()): Use _List::_Impl iterators instead of
4520 path::iterator. Use pop_back to remove components from the end. Clear
4521 trailing filename, instead of using erase(const_iterator) to remove
4522 a non-final component.
4523 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
4525 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
4527 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
4528 incorrect treatment of empty filename after trailing slash.
4529 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
4531 * testsuite/21_strings/basic_string/modifiers/assign/char/
4532 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
4534 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
4535 move_assign_optim.cc: Likewise.
4537 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4538 Jakub Jelinek <jakub@redhat.com>
4541 * include/experimental/memory: Replace UTF-8 quote characters.
4542 * include/std/future: Replace UTF-8 "em dash" characters.
4544 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4547 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
4548 * include/debug/forward_list: Likewise.
4549 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
4551 * include/experimental/chrono: Likewise.
4552 * include/experimental/functional: Likewise.
4553 * include/experimental/ratio: Likewise.
4554 * include/experimental/system_error: Likewise.
4555 * include/experimental/tuple: Likewise.
4556 * include/experimental/type_traits: Likewise.
4557 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
4558 * include/parallel/multiseq_selection.h: Likewise.
4561 * config/abi/pre/gnu.ver: Add missing exports.
4562 * testsuite/22_locale/collate_byname/88681.cc: New test.
4563 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
4564 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
4566 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
4568 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
4569 initializer_list<value_type> and from input iterator ranges.
4570 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
4572 * testsuite/experimental/string_view/element_access/char/empty.cc:
4573 Fix year range in copyright header.
4575 2019-01-02 Joel Brobecker <brobecker@adacore.com>
4577 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
4578 Fix year range in copyright header.
4580 2019-01-01 Jakub Jelinek <jakub@redhat.com>
4582 Update copyright years.
4584 Copyright (C) 2019 Free Software Foundation, Inc.
4586 Copying and distribution of this file, with or without modification,
4587 are permitted in any medium without royalty provided the copyright
4588 notice and this notice are preserved.