1 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
3 * include/std/bit (__cpp_lib_endian): Define.
4 * include/std/version (__cpp_lib_endian): Define.
5 * testsuite/26_numerics/endian/2.cc: New.
6 * testsuite/26_numerics/endian/3.cc: New.
7 * testsuite/26_numerics/endian/4.cc: New.
9 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
11 * testsuite/util/testsuite_iterators.h
12 (bidirectional_iterator_wrapper): Fix type comment.
13 (random_access_iterator_wrapper): Likewise.
15 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
17 * include/std/bit (endian): Move definition here as per P1612R1.
18 * include/std/type_traits (endian): Remove definition from here.
19 * testsuite/20_util/endian/1.cc: Rename to ...
20 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
22 2019-07-25 Martin Liska <mliska@suse.cz>
23 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
26 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
28 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
29 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
30 * testsuite/ext/new_allocator/check_new.cc: Likewise.
32 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
34 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
35 * testsuite/26_numerics/bit/bit.count/*: Here.
37 * include/std/bit (__rotl, __rotr): Change second parameter from
38 unsigned int to int and handle negative values.
39 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
40 parameter from unsigned int to int. Add nodiscard attribute.
41 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
42 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
44 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
45 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
48 * include/std/bit (__ceil2): Make unrepresentable results undefined,
49 as per P1355R2. Add debug assertion. Perform one left shift, not two,
50 so that out of range values cause undefined behaviour. Ensure that
51 shift will still be undefined if left operand is promoted.
52 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
53 unrepresentable values with checks that they are not core constant
55 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
57 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
59 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
60 sized deallocation size computation.
62 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
64 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
66 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
68 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
69 (~_Temporary_buffer()): Use latter.
70 (_Temporary_buffer(_FIterator, size_type)): Likewise.
72 2019-07-17 Andreas Schwab <schwab@suse.de>
74 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
76 2019-07-16 Jason Merrill <jason@redhat.com>
78 * include/std/memory (uses_allocator_construction_args): Add parens
81 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
83 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
85 * include/experimental/string_view (__detail::__idt): Remove.
86 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
87 Use __type_identity_t instead of __detail::__idt;
88 * include/std/string_view (__detail::__idt): Remove.
89 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
90 Use __type_identity_t instead of __detail::__idt;
91 * include/std/type_traits (__type_identity_t): New alias template.
93 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
94 and floating point atomics.
96 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
98 * doc/xml/manual/configure.xml: Improve documentation of
99 --enable-libstdcxx-time option.
101 * include/bits/atomic_base.h (__atomic_impl): New namespace for
102 wrappers around atomic built-ins.
103 (__atomic_float, __atomic_ref): New class templates for use as base
105 * include/std/atomic (atomic<float>, atomic<double>)
106 (atomic<long double>): New explicit specializations.
107 (atomic_ref): New class template.
108 (__cpp_lib_atomic_ref): Define.
109 * include/std/version (__cpp_lib_atomic_ref): Define.
110 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
111 * testsuite/29_atomics/atomic_float/1.cc: New test.
112 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
113 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
114 * testsuite/29_atomics/atomic_ref/float.cc: New test.
115 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
116 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
117 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
118 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
120 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
122 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
123 throw() with _GLIBCXX_NOTHROW.
124 (__atomic_add_dispatch): Return after performing atomic increment.
126 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
128 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
129 (__exchange_and_add): Replace static specifier with always_inline
131 (__exchange_and_add_single, __atomic_add_single): Likewise.
132 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
133 combine !__gthread_active_p() and !__GTHREADS branches.
135 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
138 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
139 * configure: Regenerate.
140 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
142 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
143 * testsuite/util/testsuite_abi.cc: Add new symbol version.
145 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
147 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
148 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
149 instead of __is_identifier to detect Clang support.
151 2019-07-02 Jim Wilson <jimw@sifive.com>
153 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
155 * configure: Regenerate.
157 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
160 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
161 for the what_arg parameters.
162 (filesystem_error::filesystem_error): Pass system_error::what() to
163 the _Impl constructor.
164 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
165 filesystem_error::what() contains system_error::what().
167 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
169 * include/std/charconv (chars_format): Define bitmask type.
170 * testsuite/20_util/to_chars/chars_format.cc: New test.
172 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
173 * include/std/bit (_If_is_unsigned_integer_type): Remove.
174 (_If_is_unsigned_integer): Use __is_unsigned_integer.
175 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
176 (countl_one(byte), countr_zero(byte), countr_one(byte))
177 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
178 (log2p1(byte)): Remove.
179 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
180 (__detail::__is_int_to_chars_type): Remove.
181 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
182 and __is_unsigned_integer.
183 * include/std/type_traits (__is_one_of): Move here from <charconv>.
184 (__is_signed_integer, __is_unsigned_integer): New helpers.
185 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
187 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
188 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
189 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
190 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
191 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
192 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
193 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
194 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
195 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
196 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
198 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
200 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
203 2019-06-25 Jakub Jelinek <jakub@redhat.com>
205 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
206 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
207 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
208 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
210 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
212 * include/std/numeric (midpoint(T, T)): Change implementation for
213 floating-point types to avoid incorrect rounding of denormals.
214 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
215 rounding with denormals.
216 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
217 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
219 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
221 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
223 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
225 * configure: Regenerate.
227 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
228 Qualify calls to __never_valueless.
230 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
233 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
234 vector<bool> for test.
235 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
237 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
239 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
241 (istream_iterator::_M_read()): Do not check stream state before
242 attempting extraction. Set stream pointer to null when extraction
244 (operator==(const istream_iterator&, const istream_iterator&)): Change
245 to be a hidden friend of istream_iterator.
246 (operator!=(const istream_iterator&, const istream_iterator&)):
248 (ostream_iterator::ostream_iterator()): Add default constructor.
249 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
251 * testsuite/24_iterators/istream_iterator/1.cc: New test.
252 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
253 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
254 constructor taking a string.
255 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
258 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
259 Jonathan Wakely <jwakely@redhat.com>
262 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
263 values of type bool for vector<bool> elements.
264 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
265 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
267 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
269 PR libstdc++/90920 partially revert r263433
270 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
271 (rotate): Remove checks.
272 * testsuite/25_algorithms/rotate/90920.cc: New test.
274 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
275 category used in invocable check.
276 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
277 * testsuite/26_numerics/reduce/2.cc: New test.
279 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
281 * include/bits/algorithmfwd.h: Change title of doc group.
282 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
284 * include/bits/stl_numeric.h: Define doc group and add algos to it.
285 * include/std/numeric (__is_random_access_iter): New internal trait.
286 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
287 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
288 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
289 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
290 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
291 * testsuite/26_numerics/reduce/1.cc: New test.
292 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
293 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
294 * testsuite/26_numerics/transform_reduce/1.cc: New test.
295 * testsuite/util/testsuite_iterators.h (test_container::size()): New
298 * include/c_global/cstddef (std::byte): Perform arithmetic operations
299 in unsigned int to avoid promotion (LWG 2950).
301 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
303 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
306 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
308 PR libstdc++/90281 Fix string conversions for filesystem::path
309 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
310 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
311 __str_codecvt_in_all to fail for partial conversions and throw on
313 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
314 (path::_Cvt<char8_t>): Add explicit specialization.
315 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
317 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
318 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
319 instead of codecvt_utf8. Use __str_codecvt_in_all and
320 __str_codecvt_out_all.
321 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
322 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
323 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
324 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
325 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
326 after converting to UTF-8.
327 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
328 __str_codecvt_in_all.
329 (path::string): Fix initialization of string types with different
331 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
332 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
333 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
335 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
336 return false for partial conversions.
337 * include/experimental/bits/fs_path.h (u8path):
338 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
339 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
340 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
341 instead of codecvt_utf8. Use __str_codecvt_in_all and
342 __str_codecvt_out_all.
343 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
344 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
345 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
346 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
347 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
348 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
349 __str_codecvt_in_all.
350 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
351 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
352 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
353 __str_codecvt_in_all.
354 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
355 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
356 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
357 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
358 strings and with Unicode characters outside the basic multilingual
360 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
361 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
362 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
363 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
364 * testsuite/experimental/filesystem/path/native/string.cc: Test with
365 empty strings and with Unicode characters outside the basic
368 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
369 Jonathan Wakely <jwakely@redhat.com>
371 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
372 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
373 deallocate node if insertion fails.
374 (_Hashtable::_M_insert_multi_node): Likewise.
375 (_Hashtable::_M_reinsert_node): Pass additional key argument.
376 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
377 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
378 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
379 (_Hashtable::extract(const _Key&)): Likewise.
380 (_Hashtable::_M_merge_unique): Pass additional key argument.
381 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
383 (_Hashtable::_M_insert): Likewise.
384 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
385 (_Hashtable_alloc): Add comments to functions with misleading names.
387 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
389 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
391 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
392 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
393 header for std::allocator.
394 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
395 using-declaration for std::size_t.
396 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
398 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
400 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
401 * testsuite/experimental/map/erasure.cc: Include <string> for
403 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
405 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
407 * include/experimental/type_traits (experimental::nonesuch): Use
408 pragma to disable -Wctor-dtor-privacy warnings.
409 * include/std/type_traits (__is_convertible_helper<From, To, false>)
410 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
412 * include/std/version (__cpp_lib_bind_front): Add missing macro.
414 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
416 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
417 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
418 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
419 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
421 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
422 (variant::emplace): Change static_assert messages from "should be"
424 (hash<monostate>::operator()): Remove name of unused parameter.
426 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
429 * include/Makefile.am: Add new <bits/charconv.h> header.
430 * include/Makefile.in: Regenerate.
431 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
432 (to_string(long), to_string(unsigned long), to_string(long long))
433 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
434 * include/bits/charconv.h: New header.
435 (__detail::__to_chars_len): Move here from <charconv>.
436 (__detail::__to_chars_10_impl): New function extracted from
437 __detail::__to_chars_10.
438 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
439 (__to_chars_unsigned_type): New class template that reuses
440 __make_unsigned_selector_base::__select to pick a type.
441 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
442 (__detail::__to_chars_len): Move to new header.
443 (__detail::__to_chars_10): Add inline specifier. Move code doing the
444 output to __detail::__to_chars_10_impl and call that.
445 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
446 * testsuite/21_strings/basic_string/numeric_conversions/char/
447 to_string.cc: Fix reference in comment. Remove unused variable.
448 * testsuite/21_strings/basic_string/numeric_conversions/char/
449 to_string_int.cc: New test.
451 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
453 Fix ConstexprIterator requirements tests - No constexpr algorithms!
454 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
455 Replace copy with hand-rolled loop.
456 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
459 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
461 Test for C++20 p0858 - ConstexprIterator requirements.
462 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
464 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
467 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
469 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
471 * include/bits/c++config: Rename all macros of the form __PSTL* to
473 * include/std/algorithm: Likewise.
474 * include/std/execution: Likewise.
475 * include/std/numeric: Likewise.
476 * include/std/memory: Likewise.
477 * include/pstl/glue_memory_impl.h: Likewise.
478 * include/pstl/numeric_impl.h: Likewise.
479 * include/pstl/glue_memory_defs.h: Likewise.
480 * include/pstl/execution_defs.h: Likewise.
481 * include/pstl/utils.h: Likewise.
482 * include/pstl/algorithm_fwd.h: Likewise.
483 * include/pstl/unseq_backend_simd.h: Likewise.
484 * include/pstl/glue_execution_defs.h: Likewise.
485 * include/pstl/algorithm_impl.h: Likewise.
486 * include/pstl/parallel_impl.h: Likewise.
487 * include/pstl/memory_impl.h: Likewise.
488 * include/pstl/glue_numeric_defs.h: Likewise.
489 * include/pstl/parallel_backend_utils.h: Likewise.
490 * include/pstl/glue_algorithm_defs.h: Likewise.
491 * include/pstl/parallel_backend.h: Likewise.
492 * include/pstl/glue_numeric_impl.h: Likewise.
493 * include/pstl/parallel_backend_tbb.h: Likewise.
494 * include/pstl/numeric_fwd.h: Likewise.
495 * include/pstl/glue_algorithm_impl.h: Likewise.
496 * include/pstl/execution_impl.h: Likewise.
497 * include/pstl/pstl_config.h: Likewise.
498 * testsuite/util/pstl/pstl_test_config.h: Likewise.
499 * testsuite/util/pstl/test_utils.h: Likewise.
500 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
502 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
504 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
506 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
507 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
508 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
509 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
510 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
512 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
513 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
514 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
515 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
516 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
518 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
519 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
520 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
521 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
522 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
524 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
525 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
526 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
528 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
530 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
531 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
532 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
534 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
536 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
538 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
540 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
542 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
544 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
546 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
548 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
550 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
552 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
554 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
556 Rename header guards to be consistent with upstream project's
558 * include/pstl/glue_memory_impl.h: Rename all macros of the form
559 _PSTL_(.*)_H to _PSTL_\U\1_H.
560 * include/pstl/numeric_impl.h: Likewise.
561 * include/pstl/glue_memory_defs.h: Likewise.
562 * include/pstl/execution_defs.h: Likewise.
563 * include/pstl/utils.h: Likewise.
564 * include/pstl/algorithm_fwd.h: Likewise.
565 * include/pstl/unseq_backend_simd.h: Likewise.
566 * include/pstl/glue_execution_defs.h: Likewise.
567 * include/pstl/algorithm_impl.h: Likewise.
568 * include/pstl/parallel_impl.h: Likewise.
569 * include/pstl/memory_impl.h: Likewise.
570 * include/pstl/glue_numeric_defs.h: Likewise.
571 * include/pstl/parallel_backend_utils.h: Likewise.
572 * include/pstl/glue_algorithm_defs.h: Likewise.
573 * include/pstl/parallel_backend.h: Likewise.
574 * include/pstl/glue_numeric_impl.h: Likewise.
575 * include/pstl/parallel_backend_tbb.h: Likewise.
576 * include/pstl/numeric_fwd.h: Likewise.
577 * include/pstl/glue_algorithm_impl.h: Likewise.
578 * include/pstl/execution_impl.h: Likewise.
579 * include/pstl/pstl_config.h: Likewise.
580 * testsuite/util/pstl/pstl_test_config.h: Likewise.
582 Synchronize libstdc++ parallel algorithms with upstream
584 * include/pstl/algorithm_fwd.h: Synchronize with
585 upstream PSTL project.
586 * include/pstl/algorithm_impl.h: Likewise.
587 * include/pstl/execution_defs.h: Likewise.
588 * include/pstl/execution_impl.h: Likewise.
589 * include/pstl/glue_algorithm_impl.h: Likewise.
590 * include/pstl/glue_execution_defs.h: Likewise.
591 * include/pstl/numeric_fwd.h: Likewise.
592 * include/pstl/numeric_impl.h: Likewise.
593 * include/pstl/parallel_backend.h: Likewise.
594 * include/pstl/pstl_config.h: Likewise.
595 * include/pstl/unseq_backend_simd.h: Likewise.
596 * include/pstl/parallel_backend_serial.h: New file.
597 * include/Makefile.am (pstl_headers): Add
598 parallel_backend_serial.h.
599 * include/Makefile.in: Regenerate.
601 Clean up non-conforming names
602 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
603 Uglfiy copy_range1 and copy_range2
604 (__pattern_walk2_n): Rename local n to __n
605 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
606 Rename parameter _T to _Tp.
608 Integrate non-TBB serial backend support
609 * include/bits/c++config: Adjust TBB detection logic to select serial
610 PSTL backend if no TBB present.
611 * testsuite/utils/pstl/test_utils.h: Remove check for
612 _PSTL_USE_PAR_POLICIES
614 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
616 * testsuite/24_iterators/container_access.cc: Move dg-options before
617 dg-do directive so the target check uses the -std option.
620 * configure: Regenerate.
621 * src/Makefile.am (stamp-debug): Also test for missing makefile.
622 * src/Makefile.in: Regenerate.
624 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
626 * include/std/array: Do not include <stdexcept>.
627 * include/std/optional: Include <exception> and
628 <bits/exception_defines.h> instead of <stdexcept>.
629 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
631 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
633 * testsuite/23_containers/map/erasure.cc: Include <string>.
634 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
636 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
637 dg-prune-output for different C++98 diagnostic.
638 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
640 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
642 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
644 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
646 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
648 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
650 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
652 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
654 * testsuite/23_containers/vector/requirements/dr438/
655 constructor_1_neg.cc: Likewise.
656 * testsuite/23_containers/vector/requirements/dr438/
657 constructor_2_neg.cc: Likewise.
658 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
660 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
662 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
663 Do not test allocator rebinding extension for C++2a.
664 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
665 dg-do directive for C++17 and C++2a.
667 * testsuite/23_containers/deque/requirements/explicit_instantiation/
668 1_c++0x.cc: Remove redundant test.
669 * testsuite/23_containers/deque/requirements/explicit_instantiation/
670 2.cc: Use target selector instead of preprocessor condition.
671 * testsuite/23_containers/deque/requirements/explicit_instantiation/
672 3.cc: Do not run test for C++2a.
673 * testsuite/23_containers/forward_list/requirements/
674 explicit_instantiation/3.cc: Likewise.
675 * testsuite/23_containers/forward_list/requirements/
676 explicit_instantiation/5.cc: Do not test allocator rebinding extension
678 * testsuite/23_containers/list/requirements/explicit_instantiation/
679 1_c++0x.cc: Remove redundant test.
680 * testsuite/23_containers/list/requirements/explicit_instantiation/
681 2.cc: Use target selector instead of preprocessor condition.
682 * testsuite/23_containers/list/requirements/explicit_instantiation/
683 3.cc: Do not run test for C++2a.
684 * testsuite/23_containers/list/requirements/explicit_instantiation/
685 5.cc: Do not test allocator rebinding extension for C++2a.
686 * testsuite/23_containers/map/requirements/explicit_instantiation/
687 1_c++0x.cc: Remove redundant test.
688 * testsuite/23_containers/map/requirements/explicit_instantiation/
689 2.cc: Adjust comment.
690 * testsuite/23_containers/map/requirements/explicit_instantiation/
691 3.cc: Do not run test for C++2a.
692 * testsuite/23_containers/map/requirements/explicit_instantiation/
693 5.cc: Do not test allocator rebinding extension for C++2a.
694 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
695 1_c++0x.cc: Remove redundant test.
696 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
697 3.cc: Do not run test for C++2a.
698 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
699 5.cc: Do not test allocator rebinding extension for C++2a.
700 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
701 3.cc: Do not run test for C++2a.
702 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
703 5.cc: Do not test allocator rebinding extension for C++2a.
704 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
705 Do not run test for C++2a.
706 * testsuite/23_containers/set/requirements/explicit_instantiation/
707 1_c++0x.cc: Remove redundant test.
708 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
709 Do not test allocator rebinding extension for C++2a.
710 * testsuite/23_containers/unordered_map/requirements/
711 explicit_instantiation/3.cc: Likewise.
712 * testsuite/23_containers/unordered_map/requirements/
713 explicit_instantiation/5.cc: Do not test allocator rebinding extension
715 * testsuite/23_containers/unordered_multimap/requirements/
716 explicit_instantiation/3.cc: Do not run test for C++2a.
717 * testsuite/23_containers/unordered_multimap/requirements/
718 explicit_instantiation/5.cc: Do not test allocator rebinding extension
720 * testsuite/23_containers/unordered_multiset/requirements/
721 explicit_instantiation/3.cc: Do not run test for C++2a.
722 * testsuite/23_containers/unordered_multiset/requirements/
723 explicit_instantiation/5.cc: Do not test allocator rebinding extension
725 * testsuite/23_containers/unordered_set/requirements/
726 explicit_instantiation/3.cc: Do not run test for C++2a.
727 * testsuite/23_containers/unordered_set/requirements/
728 explicit_instantiation/5.cc: Do not test allocator rebinding extension
730 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
731 2.cc: Remove redundant test.
732 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
733 3.cc: Do not run test for C++2a.
734 * testsuite/23_containers/vector/requirements/explicit_instantiation/
737 * include/std/type_traits (is_empty, is_polymorphic, is_final)
738 (is_abstract, is_aggregate): Remove static_assert.
739 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
741 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
742 missing -std=gnu++17 option.
743 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
744 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
745 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
748 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
749 * testsuite/18_support/set_unexpected.cc: Likewise.
750 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
752 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
753 function to be valid in C++11.
754 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
755 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
756 include Library Fundamentals or Networking headers in C++11 mode.
757 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
759 * include/std/tuple (_TC): Replace with _TupleConstraints.
760 (_TupleConstraints): New helper for SFINAE constraints, with more
761 expressive member functions to reduce duplication when used.
762 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
763 (tuple::_TCC): Replace dummy type parameter with bool non-type
764 parameter that can be used to check the pack size.
765 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
766 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
767 checking constraints in constructors.
768 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
770 (tuple::tuple): Use new helpers to reduce repitition in constraints.
771 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
772 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
773 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
774 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
775 constraints in constructors.
776 (tuple::__is_alloc_arg()): New SFINAE helpers.
777 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
779 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
780 * testsuite/20_util/tuple/cons/90700.cc: New test.
781 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
782 to meet new constraint on allocator-extended default constructor.
784 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
786 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
787 * include/bits/stl_multimap.h (multimap): Likewise.
789 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
791 Rename variables and cleanup comments.
792 * include/bits/hashtable_policy.h
793 * include/bits/hashtable.h
795 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
797 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
798 Fix bgcolor for P0340R3.
799 * doc/html/*: Regenerate.
802 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
803 <experimental/memory_resource>.
804 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
805 P0339R6, P0340R3, P1164R1 and P1357R1.
806 * doc/html/*: Regenerate.
808 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
809 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
810 allocator::value_type assertion for C++2a.
811 * include/bits/hashtable.h: Likewise.
812 * include/bits/stl_deque.h: Likewise.
813 * include/bits/stl_list.h: Likewise.
814 * include/bits/stl_map.h: Likewise.
815 * include/bits/stl_multimap.h: Likewise.
816 * include/bits/stl_multiset.h: Likewise.
817 * include/bits/stl_set.h: Likewise.
818 * include/bits/stl_vector.h: Likewise.
819 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
820 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
821 * testsuite/23_containers/list/48101-3_neg.cc: New test.
822 * testsuite/23_containers/map/48101-3_neg.cc: New test.
823 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
824 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
825 * testsuite/23_containers/set/48101-3_neg.cc: New test.
826 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
827 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
828 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
829 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
830 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
832 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
834 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
836 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
838 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
840 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
842 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
844 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
846 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
849 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
850 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
851 * libsupc++/eh_term_handler.h: New header defining
852 _GLIBCXX_DEFAULT_TERM_HANDLER.
853 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
854 (set_terminate): Restore default handler when argument is null.
855 (set_unexpected): Likewise.
856 * testsuite/18_support/set_terminate.cc: New test.
857 * testsuite/18_support/set_unexpected.cc: New test.
859 * include/backward/hashtable.h (size_t, ptrdiff_t)
860 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
861 (distance, vector, pair, __iterator_category): Remove
862 using-declarations that add these names to namespace __gnu_cxx.
863 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
864 * include/ext/debug_allocator.h (size_t): Likewise.
865 * include/ext/functional (size_t, unary_function, binary_function)
866 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
868 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
869 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
870 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
871 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
872 * include/ext/numeric (iota): Fix outdated comment.
873 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
874 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
875 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
876 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
877 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
879 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
880 (allocator, __true_type, __false_type): Likewise.
882 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
885 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
886 New helpers for checking preconditions in traits.
887 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
888 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
889 (is_destructible, is_nothrow_destructible, is_constructible)
890 (is_default_constructible, is_copy_constructible)
891 (is_move_constructible, is_nothrow_default_constructible)
892 (is_nothrow_constructible, is_nothrow_copy_constructible)
893 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
894 (is_nothrow_assignable, is_nothrow_copy_assignable)
895 (is_nothrow_move_assignable, is_trivially_constructible)
896 (is_trivially_copy_constructible, is_trivially_move_constructible)
897 is_trivially_assignable, is_trivially_copy_assignable)
898 (is_trivially_move_assignable, is_trivially_destructible)
899 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
900 (is_invocable_r, is_nothrow_invocable)
901 (has_unique_object_representations, is_aggregate): Add static_asserts
902 to make sure that type traits are not misused with incomplete types.
903 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
904 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
905 base characteristics without assertions that can be reused in other
907 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
908 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
910 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
911 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
912 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
913 * testsuite/20_util/is_class/value.cc: Check incomplete type.
914 * testsuite/20_util/is_function/value.cc: Likewise.
915 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
916 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
918 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
919 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
920 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
921 * testsuite/20_util/is_union/value.cc: Likewise.
922 * testsuite/20_util/is_void/value.cc: Likewise.
923 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
925 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
927 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
928 Add new private member function.
929 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
930 (random_device::_M_init_pretr1(const string&)): Call new private
931 member with string data.
932 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
934 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
935 test using COW strings.
936 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
937 a value from the device.
938 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
939 Fix typo in token string.
941 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
943 LWG2788 basic_string spurious use of a default constructible allocator
944 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
945 (basic_string::_M_replace_dispatch): Construct temporary string with
946 the current allocator.
947 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
948 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
950 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
952 * doc/xml/manual/diagnostics.xml: Update list of headers that define
954 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
955 section about new/delete overloads. Improve section on verbose
957 * doc/html/*: Regenerate.
959 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
960 P0811R3. Change status of P1353R0.
961 * doc/html/*: Regenerate.
963 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
964 documentation of implementation-defined types for [thread.req.native].
965 * doc/xml/manual/status_cxx2017.xml: Update documentation of
966 implementation-defined strings for [variant.bad.access]. Fix typo in
967 documentation of implementation-defined support for [fs.conform.9945].
968 * doc/html/*: Regenerate.
970 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
973 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
974 that fails on mingw-w64.
977 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
978 (status(const path&, error_code&)): Use parent_path() to remove
980 (symlink_status(const path&, error_code&)): Duplicate workaround for
981 bug in _wstat for paths with trailing slash.
982 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
984 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
985 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
987 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
988 once instead of building it iteratively.
990 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
992 PR libstdc++/85494 use rdseed and rand_s in std::random_device
993 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
994 the assembler supports rdseed.
995 * config.h.in: Regenerate.
996 * configure: Regenerate.
997 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
998 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
999 * doc/html/*: Regenerate.
1000 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
1001 * include/bits/random.h (random_device::random_device()): Always call
1002 _M_init rather than _M_init_pretr1.
1003 (random_device::random_device(const string&)): Likewise.
1004 (random_device::operator()()): Always call _M_getval().
1005 (random_device::_M_file): Replace first member of union with an
1006 anonymous struct, with _M_file as its first member.
1007 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
1008 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
1009 (USE_MT19937): Define if none of the above are defined.
1010 (USE_POSIX_FILE_IO): Define.
1011 (_M_strtoul): Remove.
1012 [USE_RDSEED] (__x86_rdseed): Define new function.
1013 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
1014 (random_device::_M_init(const string&)): Initialize new union members.
1015 Add support for "rdseed" and "rand_s" tokens. Decide what the
1016 "default" token does according to which USE_* macros are defined.
1017 [USE_POSIX_FILE_IO]: Store a file descriptor.
1018 [USE_MT19937]: Forward to _M_init_pretr1 instead.
1019 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
1020 code from _M_strtoul.
1021 [!USE_MT19937]: Call _M_init, transforming the old default token or
1022 numeric tokens to "default".
1023 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
1024 (random_device::_M_getval()): Use new union members to obtain a
1025 random number from the stored function pointer or file descriptor.
1026 [USE_MT19937]: Obtain a value from the mt19937 engine.
1027 (random_device::_M_getval_pretr1()): Call _M_getval().
1028 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
1030 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
1031 * testsuite/26_numerics/random/random_device/85494.cc: New test.
1033 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
1036 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
1037 _M_split_cmpts() for a path with multiple components.
1038 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
1039 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
1040 components and reserve space in vector. Return early when there is
1042 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
1043 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
1045 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
1046 form of std::equals for C++11 compatibility.
1048 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
1050 * doc/xml/manual/appendix_contributing.xml: Update pointer to
1051 C++ standard at ansi.org.
1053 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
1055 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
1056 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
1059 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
1060 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
1062 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
1064 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
1066 * testsuite/20_util/function_objects/invoke/3.cc: New test.
1067 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
1068 "compile" test to "run".
1070 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
1071 * doc/html/*: Regenerate.
1072 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
1073 rvalue aliasing constructor.
1074 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
1075 (reinterpret_pointer_cast): Add overloads taking rvalues.
1076 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
1077 Add rvalue aliasing constructor.
1078 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
1079 "run" and check return values as well as types.
1080 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
1081 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
1082 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
1083 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
1086 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
1087 * doc/xml/manual/intro.xml: Likewise.
1088 * include/std/future (__create_task_state): Add default arguments
1089 to make providing an allocator optional.
1090 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
1091 instead of delegating to another constructor.
1092 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
1093 define allocator-extended constructors for C++17 and later.
1094 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
1096 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1097 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1098 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1100 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
1102 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
1103 Don't run the libstdc++/83237 part on simulator targets.
1105 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
1107 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
1109 * doc/html/*: Regenerate.
1111 * include/experimental/any (__any_caster): Use RTTI if comparing
1112 addresses fails, to support non-unique addresses in shared libraries.
1113 * include/std/any (__any_caster): Likewise.
1116 * include/experimental/any (__any_caster): Constrain to only be
1117 callable for object types. Use remove_cv_t instead of decay_t.
1118 If the type decays or isn't copy constructible, compare the manager
1119 function to a dummy specialization.
1120 (__any_caster): Add overload constrained for non-object types.
1121 (any::_Manager_internal<_Op>): Add dummy specialization.
1122 * testsuite/experimental/any/misc/any_cast.cc: Test function types
1125 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
1128 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
1129 reversed arguments to uninitialized_copy_n.
1130 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
1131 is unchanged by copy assignment.
1132 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
1133 compare path components.
1136 * include/experimental/memory_resource: Add system header pragma and
1137 do not define anything unless compiled as C++14 or later.
1138 (__resource_adaptor_common::__guaranteed_alignment): Remove.
1139 (__resource_adaptor_imp::do_allocate): If the requested alignment
1140 is a fundamental alignment then either allocate directly from _M_alloc
1141 or call the new _M_allocate function.
1142 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
1143 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
1144 of the allocator rebound to a POD type with the specified alignment.
1145 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
1146 * testsuite/experimental/memory_resource/new_delete_resource.cc:
1147 Adjust expected allocation sizes.
1148 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
1149 xfail for Solaris x86.
1151 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
1153 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
1154 * include/pstl/execution_defs.h (__enable_if_execution_policy):
1155 Use std::__remove_cvref_t when building with GCC.
1157 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
1160 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1161 Use "additional_flags" to pass -ltbb to v3_target_compile command.
1162 Use check_v3_target_prop_cached to cache the result of the test.
1164 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
1166 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
1169 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1170 Changed v3_target_compile check from preprocess to executable.
1171 Added "-ltbb" to v3_target_compile flags.
1173 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
1175 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1176 Add check for Thread Building Blocks 2018 or later.
1178 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1180 * testsuite/experimental/names.cc: Only include Networking TS headers
1181 on targets with the necessary Gthreads support.
1183 2019-05-20 Marek Polacek <polacek@redhat.com>
1185 CWG 2094 - volatile scalars are trivially copyable.
1187 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
1188 result for volatile int.
1190 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1192 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
1193 * testsuite/experimental/names.cc: Include <experimental/filesystem>
1196 PR c++/90532 Ensure __is_constructible(T[]) is false
1197 * include/std/type_traits (__do_is_default_constructible_impl)
1198 (__is_default_constructible_atom, __is_default_constructible_safe):
1200 (is_default_constructible): Use is_constructible.
1201 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
1202 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
1203 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
1204 * testsuite/20_util/is_trivially_default_constructible/value.cc:
1207 2019-05-20 Pádraig Brady <pbrady@fb.com>
1209 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
1210 to the deallocator with -fsized-deallocation.
1212 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1214 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
1215 test by passing correct alignment to deallocate function.
1217 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
1220 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
1221 Raise exception if unique_ptr tuple member has unknown structure.
1222 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
1223 Adjust worker to support new __uniq_ptr_data base class. Do not
1224 assume field called _M_head_impl is the first tuple element.
1226 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
1228 * include/bits/stl_deque.h
1229 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
1230 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
1231 (_Deque_base::_Deque_impl_data): New.
1232 (_Deque_base::_Deque_impl): Inherit latter.
1233 (_Deque_base::_Deque_impl::_M_swap_data): Move...
1234 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
1235 (_Deque_base::_Deque_impl()): Add noexcept qualification.
1236 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
1237 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
1238 (deque<>::deque()): Default.
1239 (deque<>::deque(deque&&)): Default.
1240 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
1241 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
1242 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
1243 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
1244 _M_range_initialize.
1245 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
1246 (deque<>::resize(size_type, const value_type&)): Share a single
1248 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
1249 _M_range_insert_aux.
1250 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
1251 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
1252 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
1253 * testsuite/23_containers/deque/allocator/default_init.cc: New.
1255 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
1258 * include/std/variant (holds_alternative, get, get_if): Improve
1259 static assertion messages.
1260 (bad_variant_access::bad_variant_access()): Change default message.
1261 (__throw_bad_variant_access(bool)): New overload.
1262 (get): Use new overload.
1263 (visit, visit<R>): Improve exception message.
1265 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
1266 targets. Add more cases from P0608R3.
1267 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
1269 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
1270 * include/experimental/type_traits (is_detected_exact)
1271 (is_detected_exact_v): Likewise.
1272 * include/pstl/execution_defs.h (is_execution_policy)
1273 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
1274 * include/pstl/execution_impl.h (__policy_traits): Likewise.
1275 * testsuite/17_intro/names.cc: Check for more non-reserved names.
1276 * testsuite/experimental/names.cc: New test.
1279 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
1280 assertions from the destructor.
1281 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
1282 Move static_assert for hash function to here.
1283 (_Hash_table_base::_M_equals): Move static_assert for equality
1285 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
1287 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
1288 the value directly instead of calling _S_value.
1289 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
1290 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
1291 _S_key(_Const_Link_type).
1292 * testsuite/23_containers/set/85965.cc: Check construction,
1293 destruction, assignment and size() do not trigger the assertions.
1294 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
1295 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
1297 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
1298 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
1299 * testsuite/23_containers/set/48101_neg.cc: Likewise.
1300 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
1301 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
1302 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
1303 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
1305 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
1306 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
1309 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
1311 * doc/html/*: Regenerate.
1312 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
1313 of decay_t (P0777R1).
1315 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
1317 Move from state of allocators (LWG2593)
1318 * include/bits/stl_deque.h
1319 (_Deque_base(_Deque_base&&, false_type)): Remove.
1320 (_Deque_base(_Deque_base&&, true_type)): Remove.
1321 (_Deque_base(_Deque_base&&)): Adapt.
1322 (_Deque_base::_M_move_impl()): Remove.
1323 * testsuite/util/testsuite_allocator.h
1324 (propagating_allocator(propagating_allocator&&)): Preserve move from
1326 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
1328 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
1330 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
1331 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
1332 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
1334 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
1336 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
1337 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
1339 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
1341 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
1343 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
1345 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
1347 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
1349 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
1351 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
1354 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
1356 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
1357 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
1359 * include/std/variant (__overload_set): Remove.
1361 (_Build_FUN): New class template to define a single FUN overload,
1362 with specializations to prevent unwanted conversions, as per P0608R3.
1363 (_Build_FUNs): New class template to build an overload set of FUN.
1364 (_FUN_type): New alias template to perform overload resolution.
1365 (__accepted_type): Use integer_constant base for failure case. Use
1366 _FUN_type for successful case.
1367 (variant::__accepted_index): Use _Tp instead of _Tp&&.
1368 (variant::variant(_Tp&&)): Likewise.
1369 (variant::operator=(_Tp&&)): Likewise.
1371 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
1372 Replace raw visitation with a runtime check for the valueless state
1373 and a non-raw visitor.
1374 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
1375 (variant::index()): Remove branch.
1376 (variant::swap(variant&)): Use valueless_by_exception() instead of
1377 comparing the index to variant_npos, and add likelihood attribute.
1379 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
1380 (_Hashtable_base::_Equal_hash_code): Define new class template.
1381 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
1384 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
1385 Replace with _M_get non-static member function.
1386 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
1388 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
1389 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
1391 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
1392 _S_get accessors for members in EBO helpers.
1393 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
1394 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
1396 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
1398 (_Hashtable_base::_M_eq()): Remove non-const overload.
1400 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
1402 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
1404 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1406 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
1409 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1411 * config/os/solaris/solaris2.10: Move to ...
1412 * config/os/solaris: ... this.
1413 * configure.host (os_include_dir): Adapt.
1414 (abi_baseline_pair): Remove Solaris 10 handling.
1415 * config/abi/post/i386-solaris2.10: Remove.
1416 * config/abi/post/sparc-solaris2.10: Remove.
1417 * config/abi/post/i386-solaris2.11: Rename to ...
1418 * config/abi/post/i386-solaris: ... this.
1419 * config/abi/post/sparc-solaris2.11: Rename to ...
1420 * config/abi/post/sparc-solaris: ... this.
1422 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
1425 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
1428 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1430 * include/std/variant (__visit_with_index): Remove typedef.
1431 (__deduce_visit_result): New tag type.
1432 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
1433 visitation of possibly-valueless variants, forwarding to __do_visit
1434 with the relevant tag type.
1435 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
1436 and make lambda return void.
1437 (__variant_construct): Likewise.
1438 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
1439 __raw_idx_visit and make lambda return void.
1440 (_Multi_array::__untag_result): Add metafunction to check the function
1441 pointer type for a tag type that dictates the kind of visitation.
1442 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
1443 Use decltype(auto) instead of tagged function pointer type.
1444 (__gen_vtable_impl): Remove bool non-type parameter and unused
1445 _Variant_tuple parameter.
1446 (__gen_vtable_impl::__visit_invoke_impl): Remove.
1447 (__gen_vtable_impl::__do_visit_invoke): Remove.
1448 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
1449 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
1450 for the visit<R> case, rather than dispatching to separate functions.
1451 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
1453 (variant::swap): Likewise.
1454 (__do_visit): Replace two non-type template parameters with a single
1455 type parameter, so that the caller must specify the visitor's return
1456 type (or one of the tag types).
1457 (visit): Deduce a return type from the visitor and use the
1458 __deduce_visit_result tag to enforce that all overloads return the
1460 (visit<R>): Call __do_visit<R> with explicit result type.
1461 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
1464 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1466 nonesuch is insufficiently useless (lwg2996)
1467 * include/std/type_traits (struct __nonesuch): Added private base
1468 class to make __nonesuch not an aggregate and removed deleted default
1470 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
1471 (operator=(const pair&)): Use __nonesuch instead of
1472 __nonesuch_no_braces.
1473 (operator=(pair&&)): Likewise
1474 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
1475 of __nonesuch_no_braces.
1476 (operator=(tuple&&)): Likewise
1477 * include/experimental/type_traits (struct nonesuch): Added private
1478 base class to make nonesuch not an aggregate and removed deleted
1479 default constructor.
1480 * testsuite/20_util/nonesuch/nonesuch.cc: New.
1481 * testsuite/experimental/type_traits/nonesuch.cc: New.
1483 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1485 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
1486 (_Function_handler): Remove partial specializations for void return
1487 types and pointers to member.
1488 (_Function_handler::_M_manager): Adapt to removal of
1489 _Simple_type_wrapper.
1490 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
1491 * include/std/functional (_Bind_result::__enable_if_void)
1492 (_Bind_result::__disable_if_void): Remove sfinae helpers.
1493 (_Bind_result::__call): Use __invoke_r and remove overloads for void
1495 * include/std/future (__future_base::_Task_state::_M_run)
1496 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
1497 change return type of lambda expressions.
1499 * include/bits/invoke.h (__invoke_r): Define new function implementing
1500 the INVOKE<R> pseudo-function.
1501 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
1502 * testsuite/20_util/function_objects/invoke/2.cc: New test.
1504 * include/std/type_traits (__is_nt_convertible_helper): Define it
1505 unconditionally, not only for C++20.
1506 (__is_nothrow_convertible): Define internal trait for use in C++11.
1507 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
1508 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
1509 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
1510 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
1511 that has nothrow explicit conversion but potentially-throwing implicit
1513 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
1514 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
1515 function to only consider implicit conversions.
1516 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
1518 * include/std/iterator: Include <iosfwd> instead of <istream> and
1521 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
1522 Remove unused, non-standard function.
1524 * include/bits/regex.h (match_results::max_size()): Adjust return
1525 value to account for prefix/suffix/unmatched subs.
1526 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
1527 reset the contained sub matches.
1528 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
1529 function to set result state following a failed match.
1530 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
1531 sub_match states after _M_resize. Use _M_establish_failed_match.
1534 * include/std/thread (thread::_State_impl, thread::_S_make_state):
1535 Replace single _Callable parameter with variadic _Args pack, to
1536 forward them directly to the tuple of decayed copies.
1537 * testsuite/30_threads/thread/cons/69724.cc: New test.
1539 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1541 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
1542 * include/bits/basic_string.h: (operator=(const basic_string&):
1543 Move allocator decision to assign.
1544 (assign(const basic_string&)): Move allocator decision here.
1545 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
1547 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
1550 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1552 * testsuite/util/testsuite_allocator.h (memory_resource)
1553 (default_resource_mgr): Fix indentation.
1555 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
1556 Use operator-> to access raw pointer member.
1557 * testsuite/23_containers/vector/59829.cc: Likewise.
1558 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
1559 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
1560 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
1562 (PointerBase, PointerBase_void): Derive from NullablePointer and use
1563 its constructors and equality operators. Change converting
1564 constructors to use operator-> to access private member of the other
1566 (PointerBase_void::operator->()): Add, for access to private member.
1567 (operator-(PointerBase, PointerBase)): Change to hidden friend.
1568 (operator==(PointerBase, PointerBase)): Remove.
1569 (operator!=(PointerBase, PointerBase)): Remove.
1571 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
1572 not assume field called _M_head_impl is the first tuple element.
1573 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
1574 implementation more accurate.
1575 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
1576 empty pointer type and non-empty deleter.
1578 LWG 2899 - Make is_move_constructible correct for unique_ptr
1579 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
1580 move assignment operator.
1581 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
1582 (__uniq_ptr_data): New class template with conditionally deleted
1584 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
1585 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
1586 constructor and move assignment operator as defaulted.
1587 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
1588 __uniq_ptr_impl::release().
1589 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
1590 to __uniq_ptr_impl::reset(pointer).
1591 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
1592 Check for new __uniq_ptr_data type.
1593 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
1595 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1597 PR libstdc++/90454.cc path construction from void*
1598 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
1599 pointers to void are rejected as well as void.
1600 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
1601 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
1603 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
1605 * doc/xml/manual/policy_data_structures.xml: Comment out stray
1606 <remark> elements. Fix formatting of bibliography references.
1608 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
1610 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
1612 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1614 Remove Profile Mode, deprecated since 7.1.0
1615 * doc/Makefile.am: Remove XML file for profile mode docs.
1616 * doc/Makefile.in: Regenerate.
1617 * doc/xml/authors.xml: Remove authors of profile mode docs.
1618 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
1620 * doc/xml/manual/debug.xml: Likewise.
1621 * doc/xml/manual/evolution.xml: Document removal of profile mode.
1622 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
1623 * doc/xml/manual/spine.xml: Remove profile mode author credit.
1624 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
1626 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
1628 * doc/html/*: Regenerate.
1629 * include/Makefile.am: Remove profile mode headers.
1630 * include/Makefile.in: Regenerate.
1631 * include/bits/c++config (std::__profile): Remove namespace.
1632 [_GLIBCXX_PROFILE]: Remove checks for macro.
1633 * include/profile/array: Remove.
1634 * include/profile/base.h: Remove.
1635 * include/profile/bitset: Remove.
1636 * include/profile/deque: Remove.
1637 * include/profile/forward_list: Remove.
1638 * include/profile/impl/profiler.h: Remove.
1639 * include/profile/impl/profiler_algos.h: Remove.
1640 * include/profile/impl/profiler_container_size.h: Remove.
1641 * include/profile/impl/profiler_hash_func.h: Remove.
1642 * include/profile/impl/profiler_hashtable_size.h: Remove.
1643 * include/profile/impl/profiler_list_to_slist.h: Remove.
1644 * include/profile/impl/profiler_list_to_vector.h: Remove.
1645 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
1646 * include/profile/impl/profiler_node.h: Remove.
1647 * include/profile/impl/profiler_state.h: Remove.
1648 * include/profile/impl/profiler_trace.h: Remove.
1649 * include/profile/impl/profiler_vector_size.h: Remove.
1650 * include/profile/impl/profiler_vector_to_list.h: Remove.
1651 * include/profile/iterator_tracker.h: Remove.
1652 * include/profile/list: Remove.
1653 * include/profile/map: Remove.
1654 * include/profile/map.h: Remove.
1655 * include/profile/multimap.h: Remove.
1656 * include/profile/multiset.h: Remove.
1657 * include/profile/ordered_base.h: Remove.
1658 * include/profile/set: Remove.
1659 * include/profile/set.h: Remove.
1660 * include/profile/unordered_base.h: Remove.
1661 * include/profile/unordered_map: Remove.
1662 * include/profile/unordered_set: Remove.
1663 * include/profile/vector: Remove.
1664 * scripts/run_doxygen: Do not process profile mode headers.
1665 * testsuite/23_containers/array/element_access/60497.cc: Don't use
1667 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
1668 Remove dg-skip-if for profile mode.
1669 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
1670 preprocessor check for profile mode.
1671 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
1672 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
1674 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
1676 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
1677 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
1678 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
1679 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
1680 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
1682 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
1684 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
1686 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
1688 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
1689 preprocessor check for profile mode.
1690 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
1692 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
1693 Remove dg-skip-if for profile mode.
1694 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
1695 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
1696 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
1697 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
1698 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
1699 * testsuite/Makefile.am: Remove profile_flags variable and
1700 * testsuite/Makefile.am: Remove profile_flags variable and
1701 check-profile target.
1702 * testsuite/Makefile.in: Regenerate.
1703 * testsuite/ext/profile/all.cc: Remove.
1704 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
1705 * testsuite/ext/profile/profiler_algos.cc: Remove.
1706 * testsuite/ext/profile/replace_new.cc: Remove.
1707 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
1708 preprocessor check for profile mode.
1709 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1710 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
1711 (check_v3_target_normal_mode): Do not check for profile mode macro.
1712 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
1714 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
1715 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1716 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1717 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
1718 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
1719 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1720 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1721 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1722 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1723 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1725 Remove array_allocator extension, deprecated since 4.9.0
1726 * doc/xml/manual/allocator.xml: Remove documentation for
1728 * doc/xml/manual/evolution.xml: Document array_allocator removal.
1729 * doc/xml/manual/using.xml: Remove header from documentation.
1730 * include/Makefile.am: Remove <ext/array_allocator.h> header.
1731 * include/Makefile.in: Regenerate.
1732 * include/ext/array_allocator.h: Remove.
1733 * include/precompiled/extc++.h: Do not include removed header.
1734 * testsuite/ext/array_allocator/1.cc: Remove.
1735 * testsuite/ext/array_allocator/2.cc: Remove.
1736 * testsuite/ext/array_allocator/26875.cc: Remove.
1737 * testsuite/ext/array_allocator/3.cc: Remove.
1738 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
1739 * testsuite/ext/array_allocator/check_delete.cc: Remove.
1740 * testsuite/ext/array_allocator/check_new.cc: Remove.
1741 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
1742 * testsuite/ext/headers.cc: Do not include removed header.
1744 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
1746 * include/bits/stl_bvector.h
1747 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1749 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1751 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1753 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1755 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1757 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1759 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1761 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
1763 (_Bit_iterator::operator-(difference_type)): Likewise.
1764 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
1765 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
1767 (_Bit_const_iterator::operator-(difference_type)): Likewise.
1768 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
1770 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
1773 * testsuite/util/thread/all.h: Do not use remove_pointer for
1774 std::thread::native_handle_type.
1777 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
1778 (_Variant_storage<true, Types...>::_M_reset()))
1779 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
1780 (__get_storage): Likewise.
1781 (variant): Add noexcept to friend declarations for __get and
1785 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
1786 Use _Require for constraints.
1787 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
1789 (__uniq_ptr_hash): New base class with conditionally-disabled call
1791 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
1792 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
1793 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
1795 * include/bits/shared_ptr.h: Improve docs.
1796 * include/bits/shared_ptr_base.h: Likewise.
1797 * include/bits/stl_uninitialized.h: Likewise.
1798 * include/bits/unique_ptr.h: Likewise.
1799 * libsupc++/new: Likewise.
1801 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
1803 * include/bits/stl_deque.h
1804 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1806 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1808 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1810 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1812 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1814 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1816 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
1818 (_Deque_iterator<>::operator-(difference_type)): Likewise.
1820 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
1823 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
1824 (test01): Reserve for number of insertions to avoid rehash during test.
1825 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1827 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1832 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
1834 * include/experimental/bits/fs_path.h: Improve docs.
1835 * include/experimental/bits/net.h: Fix wrong header name in comment.
1836 Do not document implementation details.
1837 * include/experimental/netfwd: Fix doxygen grouping.
1839 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1841 * include/bits/stl_pair.h: Improve docs.
1842 * include/std/tuple: Likewise.
1844 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
1846 * include/std/chrono: Improve docs.
1847 * include/std/ratio: Do not document implementation details.
1848 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
1850 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1853 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
1854 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
1855 (__duration_common_type): New helper.
1856 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
1857 __duration_common_type.
1858 (__timepoint_common_type_wrapper): Replace with ...
1859 (__timepoint_common_type): New helper.
1860 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
1861 Use __time_point_common_type.
1862 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
1863 (__common_type_impl): If either argument is transformed by decay,
1864 use the common_type of the decayed types.
1865 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
1866 decayed, use __do_common_type_impl to get the common_type.
1867 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
1868 (__do_member_type_wrapper, __member_type_wrapper)
1869 (__expanded_common_type_wrapper): Remove.
1870 (__common_type_pack, __common_type_fold): New helpers.
1871 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
1872 __member_type_wrapper and __expanded_common_type_wrapper.
1873 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
1874 Test zero-length template argument list.
1875 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
1876 Test single argument cases and argument types that should decay.
1877 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
1878 Adjust expected error.
1879 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
1881 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1882 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1883 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1885 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
1887 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
1889 Make allocator propagation more consistent for
1890 operator+(basic_string) (P1165R1)
1891 * include/bits/basic_string.h
1892 (operator+(basic_string&&, basic_string&&): Changed resulting
1893 allocator to always be the one from the first parameter.
1894 * include/bits/basic_string.tcc
1895 (operator+(const _CharT*, const basic_string&)): Changed
1896 resulting allocator to be SOCCC on the second parameter's allocator.
1897 (operator+(_CharT, const basic_string&)): Likewise.
1898 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
1900 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
1903 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1905 * include/bits/regex.h: Improve docs.
1906 * include/bits/regex.tcc: Do not document implementation details.
1908 * testsuite/19_diagnostics/error_code/hash.cc: New test.
1910 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
1912 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
1913 Add type printer for container types in std::__debug namespace.
1914 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
1915 (gdb-tests): Use distinct parameters for the type of test and use of
1917 (gdb-test): Check for regex test even if 'whatis' test.
1918 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
1920 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1921 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1922 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1923 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1924 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1925 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1926 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1928 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
1930 * include/std/system_error (error_category): Fix comment.
1933 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
1934 argument is an empty path.
1935 (absolute(const path&, error_code&)): Use invalid_argument as error
1936 code instead of no_such_file_or_directory.
1937 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
1938 of non-existent paths and empty paths with both overloads of absolute.
1940 * include/std/system_error (error_category, error_code)
1941 (error_condition): Improve docs.
1942 * libsupc++/exception: Add missing @addtogroup Doxygen command.
1943 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
1944 to class documentation. Suppress documentation for implementation
1946 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
1947 Suppress documentation for implementation details.
1949 * include/std/system_error (error_code): Remove friend declaration
1950 for hash<error_code>.
1951 (hash<error_code>::operator()): Use public member functions to access
1953 (hash<error_condition>::operator()): Use address of category, not
1954 its object representation.
1955 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
1956 Use public member functions to access value and category.
1957 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
1959 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
1961 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
1962 * include/bits/hashtable_policy.h
1963 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
1964 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
1965 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
1966 smaller than input value rather than always greater. Preserve
1967 _M_next_resize if called with 0 input. Use __builtin_floorl.
1968 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
1969 elements + number of insertions is greater than _M_next_resize. Start
1970 with 11 buckets if not told otherwise. Use __builtin_floorl.
1971 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
1972 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1973 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
1974 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
1975 told otherwise. Use __builtin_floorl.
1976 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
1977 to also validate _Power2_rehash_policy.
1978 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
1981 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
1984 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
1988 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
1989 overflow warning with -Wpedantic -Wsystem-headers.
1991 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
1994 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
1995 * include/bits/move.h (swap): Remove extra parentheses.
1997 * include/experimental/bits/lfts_config.h: Improve doc markup.
1998 * include/experimental/optional: Improve docs.
1999 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
2000 (__constexpr_addressof): Remove.
2001 (optional::operator->()): Use std::__addressof().
2002 * include/std/optional (optional::operator->()): Adjust whitespace.
2003 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
2004 that operator-> is still constexpr with overloaded operator&. Change
2005 to compile-only test.
2006 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
2009 * include/bits/shared_ptr.h: Improve docs.
2010 * include/bits/shared_ptr_atomic.h: Likewise.
2011 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
2013 * include/bits/basic_string.h: Fix iterator/index confusion in
2015 * include/bits/range_access.h: Fix Doxygen warnings.
2016 * include/bits/refwrap.h: Do not document implementation details.
2017 (ref, cref): Group docs with reference_wrapper.
2018 * include/std/fstream: Fix Doxygen markup.
2019 * libsupc++/initializer_list (begin, end): Group docs with
2022 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
2024 * include/bits/unique_lock.h: Fix/improve doxygen markup.
2025 * include/std/mutex: Likewise.
2026 * include/std/shared_mutex: Likewise.
2028 * include/bits/fs_dir.h: Fix/improve doxygen markup.
2029 * include/bits/fs_fwd.h: Likewise.
2030 * include/bits/fs_ops.h: Likewise.
2031 * include/bits/fs_path.h: Likewise.
2032 * include/std/filesystem: Likewise.
2034 * include/experimental/bits/net.h: Fix/improve doxygen markup.
2035 * include/experimental/buffer: Likewise.
2036 * include/experimental/executor: Likewise.
2037 * include/experimental/internet: Likewise.
2038 * include/experimental/io_context: Likewise.
2039 * include/experimental/net: Likewise.
2040 * include/experimental/netfwd: Likewise.
2041 * include/experimental/socket: Likewise.
2042 * include/experimental/timer: Likewise.
2044 * doc/doxygen/doxygroups.cc: Move description of experimental group
2046 * include/experimental/algorithm: Add to libfund-ts doc group.
2047 * include/experimental/any: Likewise. Do not document implementation
2049 * include/experimental/array: Add to libfund-ts doc group.
2050 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
2051 for Library Fundamentals.
2052 * include/experimental/chrono: Add to libfund-ts doc group.
2053 * include/experimental/deque: Likewise.
2054 * include/experimental/forward_list: Likewise.
2055 * include/experimental/functional: Likewise.
2056 * include/experimental/iterator: Likewise.
2057 * include/experimental/list: Likewise.
2058 * include/experimental/map: Likewise.
2059 * include/experimental/memory: Likewise.
2060 * include/experimental/memory_resource: Likewise. Improve docs.
2062 * include/experimental/numeric: Add to libfund-ts doc group.
2063 * include/experimental/optional: Likewise.
2064 * include/experimental/propagate_const: Likewise.
2065 * include/experimental/random: Likewise.
2066 * include/experimental/ratio: Likewise.
2067 * include/experimental/regex: Likewise.
2068 * include/experimental/set: Likewise.
2069 * include/experimental/source_location: Likewise.
2070 * include/experimental/string: Likewise.
2071 * include/experimental/string_view: Likewise.
2072 * include/experimental/system_error: Likewise.
2073 * include/experimental/tuple: Likewise.
2074 * include/experimental/type_traits: Likewise.
2075 * include/experimental/unordered_map: Likewise.
2076 * include/experimental/unordered_set: Likewise.
2077 * include/experimental/utility: Likewise.
2078 * include/experimental/vector: Likewise.
2079 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
2080 * testsuite/experimental/array/neg.cc: Adjust dg-error.
2081 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
2083 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
2084 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
2085 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
2086 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
2087 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
2089 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
2090 * include/experimental/bits/fs_fwd.h: Improve docs.
2091 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
2092 * include/experimental/bits/fs_path.h: Likewise.
2093 (path, filesystem_error, u8path): Improve docs.
2094 * include/experimental/filesystem: Link to docs for TS.
2096 * config/allocator/new_allocator_base.h (__allocator_base): Add
2097 workaround for Doxygen bug #6945.
2098 * include/std/memory: Improve docs. Define group for pointer safety.
2099 * include/std/scoped_allocator: Improve docs. Use "undocumented"
2100 conditional to suppress documentation for implementation details.
2102 * include/bits/specfun.h: Improve docs.
2103 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
2106 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
2107 (std::experimental): Add docs.
2108 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
2109 namespace to nothing when generating docs.
2110 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
2111 * include/std/chrono (std::chrono): Likewise.
2112 * include/std/functional (std::placeholders): Likewise.
2113 * include/std/thread (std::this_thread): Likewise.
2115 * include/parallel/settings.h: Fix Doxygen markup.
2117 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
2118 anything unless PB_DS_CLASS_C_DEC is defined.
2119 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
2120 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
2121 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
2122 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
2123 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
2124 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
2125 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
2127 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
2128 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
2129 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
2130 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
2131 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
2132 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
2133 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
2134 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
2135 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
2136 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
2137 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
2139 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
2140 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
2142 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
2145 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
2146 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
2147 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
2150 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2152 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
2153 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
2154 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
2155 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
2156 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
2157 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
2159 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
2160 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
2163 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
2166 * include/std/complex (__complex_proj): Return parameter unchanged.
2167 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
2168 floating-point types to take std::complex arguments.
2169 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
2170 floating-point types.
2171 * testsuite/26_numerics/complex/proj.cc: New test.
2173 2019-04-30 Jakub Jelinek <jakub@redhat.com>
2175 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
2176 to _Lock_policyE[012].
2177 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2179 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
2181 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
2182 macros accidentally left in.
2183 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
2184 unnecessary -lstdc++fs option. Fix test for mingw.
2185 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
2188 2019-04-30 Jakub Jelinek <jakub@redhat.com>
2190 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2192 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
2194 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
2196 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
2197 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
2200 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
2202 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
2205 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
2206 class template and partial specialization.
2209 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
2211 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
2212 functions to convert a value to an integral type.
2213 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
2214 (fill_n): Convert _Size parameter to an integral type.
2215 * testsuite/25_algorithms/fill_n/87982.cc: New test.
2216 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
2217 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
2218 * testsuite/25_algorithms/generate_n/87982.cc: New test.
2219 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
2220 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
2222 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
2224 Adding noexcept-specification on tuple constructors (LWG 2899)
2225 * libstdc++-v3/include/std/tuple:
2226 (tuple()): Add noexcept-specification.
2227 (tuple(const _Elements&...)): Likewise
2228 (tuple(_UElements&&...)): Likewise
2229 (tuple(const tuple<_UElements...>&)): Likewise
2230 (tuple(tuple<_UElements...>&&)): Likewise
2231 (tuple(const _T1&, const _T2&)): Likewise
2232 (tuple(_U1&&, _U2&&)): Likewise
2233 (tuple(const tuple<_U1, _U2>&): Likewise
2234 (tuple(tuple<_U1, _U2>&&): Likewise
2235 (tuple(const pair<_U1, _U2>&): Likewise
2236 (tuple(pair<_U1, _U2>&&): Likewise
2237 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
2239 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
2242 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
2243 arguments with __restrict.
2245 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
2247 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
2249 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
2251 * include/experimental/bits/fs_path.h
2252 (path::_S_convert_loc<_InputIterator>): Create const std::string to
2253 avoid redundant call to _S_convert_loc with non-const pointers.
2255 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
2256 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
2257 * testsuite/21_strings/basic_string/hash/hash.cc
2258 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
2259 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
2260 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
2262 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
2263 wstring::_M_replace_dispatch with more specific patterns.
2264 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
2265 Create const std::string to avoid redundant call to _S_convert_loc
2266 with non-const pointers.
2267 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
2268 avoid unnecessary basic_string::assign instantiations.
2270 * include/std/memory (__uses_alloc_args): Add string-literal to
2271 static_assert, to match the one in __uses_alloc.
2272 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
2273 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
2274 for recursive uses-allocator construction of nested pairs.
2275 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
2278 2019-04-26 Jakub Jelinek <jakub@redhat.com>
2280 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
2281 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
2282 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
2283 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
2285 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2286 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
2287 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
2288 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
2289 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
2290 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2291 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2293 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
2296 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
2297 * include/std/scoped_allocator [__cplusplus > 201703L]
2298 (scoped_allocator_adaptor::construct): Define in terms of
2299 uses_allocator_construction_args, as per P0591R4.
2300 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
2301 * testsuite/util/testsuite_allocator.h: Remove name of unused
2304 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
2306 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
2307 * doc/html/*: Regenerate.
2309 * include/bits/fs_path.h (operator<, operator<=, operator>)
2310 (operator>=, operator==, operator!=): Make hidden friends, as per
2312 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
2313 string type in test.
2314 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
2316 * include/std/any (any::any(ValueType&&)): Use __and_v.
2317 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
2320 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
2322 * include/std/type_traits (__result_of_memfun): Use remove_reference
2323 instead of __remove_cvref_t and remove redundant is_same check.
2324 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
2326 * include/experimental/string_view (basic_string_view::pointer)
2327 (basic_string_view::reference): Fix to refer to non-const value_type.
2328 * include/bits/basic_string.h (basic_string): Use __sv_check and
2329 __sv_limit instead of basic_string_view::_M_check and
2330 basic_string_view::_M_limit.
2331 * include/std/string_view (__sv_check, __sv_limit): New
2332 helper functions to replace basic_string_view::_M_check and
2333 basic_string_view::_M_limit.
2334 (basic_string_view): Add static assertions to enforce ill-formed
2335 requirement for traits_type::char_type from P1148R0, and to enforce
2336 required properties of char-like types.
2337 (basic_string_view::pointer, basic_string_view::reference): Fix to
2338 refer to non-const value_type.
2339 (basic_string_view::operator[], basic_string_view::at)
2340 (basic_string_view::front, basic_string_view::back)
2341 (basic_string_view::data): Use const_reference and const_pointer
2342 typedefs for return types.
2343 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
2344 (hash<wstring_view>): Fix argument_type typedef.
2345 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
2346 char/1.cc: Fix expected return type of basic_string_view::data().
2347 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
2348 wchar_t/1.cc: Likewise.
2349 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
2350 char/1.cc: Likewise.
2351 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
2352 wchar_t/1.cc: Likewise.
2353 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
2355 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
2356 Check reference and pointer typedefs.
2357 * testsuite/experimental/string_view/requirements/typedefs.cc:
2359 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
2360 Fix expected return type of basic_string_view::data().
2361 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
2363 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
2365 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
2369 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
2370 Avoid a runtime check for types that can never be stored in std::any.
2371 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
2374 PR libstdc++/90220 (partial)
2375 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
2376 not attempt ill-formed static_cast to pointers to non-object types.
2377 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
2380 * testsuite/20_util/variant/run.cc: Catch exception by reference to
2381 prevent -Wcatch-value warning.
2383 * include/std/variant (__variant_construct): Use template parameter
2384 type instead of equivalent decltype-specifier.
2385 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
2386 Replace forward with move.
2387 (_Move_ctor_base<false, Types...>::_M_destructive_move)
2388 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
2389 (_Move_ctor_base<true, Types...>::_M_destructive_move)
2390 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
2391 index after construction succeeds.
2392 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
2393 if-constexpr checks that are always true. Use __remove_cvref_t instead
2394 of remove_reference so that is_nothrow_move_constructible check
2395 doesn't use a const rvalue parameter. In the potentially-throwing case
2396 construct a temporary and move assign it, as per LWG 2904.
2397 (_Move_assign_base<false, Types...>::operator=): Remove redundant
2398 if-constexpr checks that are always true. Use emplace as per LWG 2904.
2399 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
2400 construct a temporary and move assign from it, as per LWG 2904.
2401 * testsuite/20_util/variant/exception_safety.cc: Check that
2402 assignment operators have strong exception safety guarantee.
2404 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
2406 Document PSTL linker flags
2408 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
2410 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
2412 * include/std/variant (__detail::__variant::_Traits): Make
2413 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
2414 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
2416 (__detail::__variant::_Copy_assign_alias): Only depend on
2417 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
2418 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
2419 move assignment operators.
2422 * include/std/variant (variant::__not_self): New helper for the
2423 is_same_v<remove_cvref_t<T>, variant>==false constraints.
2424 (variant::__to_type_impl): Remove.
2425 (variant::__to_type): Add default argument to check pack size, instead
2426 of using __to_type_impl.
2427 (variant::__accepted_type): Add default argument using __not_self.
2428 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
2429 for variant(T&&) constructor constraint.
2430 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
2431 Extract __accepted_type into a named template parameter for reuse in
2432 other constraints and in the exception specification.
2433 (variant::variant(in_place_type_t<T>, Args&&...))
2434 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
2435 (variant::variant(in_place_index_t<T>, Args&&...))
2436 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
2437 (variant::operator=T&&)): Remove redundant && from trait arguments.
2438 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
2439 isn't used for in_place_type or in_place_index arguments.
2441 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
2442 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
2443 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
2445 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2446 Bernd Edlinger <bernd.edlinger@hotmail.de>
2447 Jakub Jelinek <jakub@redhat.com>
2450 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
2451 general-regs-only target attribute for ARM.
2453 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
2456 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
2457 specialization also depend on is_nothrow_move_constructible.
2458 * include/std/variant (__detail::__variant::__never_valueless()):
2459 Only true if the variant would have a move assignment operator.
2460 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
2461 Check __never_valueless<T...>().
2462 (variant::emplace): Only perform non-throwing move assignments
2463 for never-valueless alternatives if the variant has a move assignment
2465 * testsuite/20_util/variant/compile.cc: Check that never-valueless
2466 types can be emplaced into non-assignable variants.
2467 * testsuite/20_util/variant/run.cc: Check that never-valueless types
2468 don't get copied when emplaced into non-assignable variants.
2470 * include/std/variant (__detail::__variant::__ref_cast): Remove
2472 (__detail::__variant::_Uninitialized::_M_get)
2473 (__detail::__variant::__get)
2474 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
2476 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
2478 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
2480 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
2481 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
2482 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
2483 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
2485 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2487 Delegate PSTL configuration to pstl/pstl_config.h
2489 * include/bits/c++config: Remove explicit PSTL configuration
2490 macros and use definitions from <pstl/pstl_config.h>.
2492 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2494 Cleanup algorithm implementations
2495 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
2497 (mismatch): Forward execution policy.
2498 (equal): Qualify call to std::equal().
2499 (partial_sort): Forward execution policy.
2500 (inplace_merge): Forward execution policy.
2502 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
2504 Improve implementation of parallel equal()
2505 * include/pstl/algorithm_impl.h
2506 (__internal::__brick_equal): use "4 iterator" version of
2508 (__internal::__brick_equal): use simd for random access
2509 iterators on unsequenced execution policies.
2510 (__internal::__pattern_equal): add "4 iterator" version
2511 (__internal::__pattern_equal): dispatch to simd __brick_equal
2512 for vector-only execution policies.
2513 (__internal::__pattern_equal): dispatch to __parallel_or for
2514 parallel execution policies.
2515 * include/pstl/glue_algorithm_impl.h
2516 (std::equal): dispatch to "4 iterator" version of
2517 __internal::__pattern_equal().
2519 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
2522 * include/bits/forward_list.h (operator==): Do not use operator!= to
2524 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
2525 earlier in the list, so that sort is stable.
2526 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
2527 * testsuite/23_containers/forward_list/comparable.cc: Test with
2528 types that meet the minimum EqualityComparable and LessThanComparable
2529 requirements. Remove irrelevant comment.
2531 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
2532 Do not depend on whether all alternative types are move constructible.
2533 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
2534 from the operand when deciding whether to perform the assignment.
2535 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
2536 with deleted move constructor and deleted move assignment operator.
2537 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
2538 behaviour of variants with DeletedMoves as an alternative.
2539 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
2540 (move_ctor, move_assign): Check that moving a variant with a
2541 DeletedMoves alternative falls back to copying instead of moving.
2543 * testsuite/20_util/variant/compile.cc: Remove empty string literals
2544 from static_assert declarations.
2546 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
2547 actually match its name.
2548 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
2549 (test_swap()): Fix result for MoveCtorOnly and check
2550 MoveCtorAndSwapOnly.
2552 * include/std/optional (optional::value_or(U&&) &&): Add missing
2553 constexpr specifier.
2554 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
2555 for disengaged optionals and rvalue optionals.
2556 * testsuite/20_util/optional/observers/4.cc: Likewise.
2558 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
2560 * include/pstl/algorithm_impl.h: Uglify identfiers.
2561 * include/pstl/numeric_impl.h: Uglify identfiers.
2562 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
2564 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
2566 * include/bits/c++config:
2567 Add definition for __PSTL_ASSERT.
2568 Add definition for __PSTL_ASSERT_MSG.
2569 * include/pstl/algorithm_impl.h: Replace use of assert().
2570 * include/pstl/numeric_impl.h: Replace use of assert().
2571 * include/pstl/parallel_backend_tbb.h:
2572 Replace use of assert().
2573 Replace use of __TBB_ASSERT().
2574 * include/pstl/parallel_backend_utils.h: Replace use of assert().
2576 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
2579 * src/c++17/memory_resource.cc
2580 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
2581 needed to allow placing a _Chunk at the end of the buffer.
2582 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
2584 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
2586 * doc/xml/faq.xml: Add information about emergency EH pool.
2587 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
2588 Move outdated information on mt_allocator to a separate section.
2589 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
2590 doesn't affect the default allocator.
2592 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
2596 * testsuite/20_util/variant/89851.cc: New test.
2598 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
2600 * include/std/variant: Adjust whitespace. Add comments.
2601 (_Multi_array): Leave primary template undefined.
2602 (_Multi_array<_Tp>): Define partial specialization for base case of
2604 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
2605 which is always a reference.
2606 (__gen_vtable::_S_apply()): Remove function, inline body into
2607 default member initializer.
2608 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
2610 * include/std/variant (__variant_idx_cookie): Add member type.
2611 (__visitor_result_type): Remove.
2612 (__do_visit): Use invoke_result instead of __visitor_result_type.
2613 * testsuite/20_util/variant/visit.cc: New test.
2616 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
2618 * testsuite/20_util/variant/90008.cc: New test.
2620 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
2622 * include/pstl/algorithm_impl.h: Add namespace qualification.
2623 * include/pstl/execution_defs.h: Add namespace qualification.
2624 * include/pstl/execution_impl.h: Add namespace qualification.
2625 * include/pstl/numeric_impl.h: Add namespace qualification.
2626 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
2627 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
2628 * include/pstl/parallel_backend_utils.h: Include <cassert>.
2630 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
2632 Fix visit<R> for variant.
2633 * include/std/variant (__do_visit): Add a template parameter
2634 for enforcing same return types for visit.
2635 (__gen_vtable_impl): Likewise.
2636 (_S_apply_single_alt): Adjust.
2637 (__visit_invoke_impl): New. Handle casting to void.
2638 (__do_visit_invoke): New. Enforces same return types.
2639 (__do_visit_invoke_r): New. Converts return types.
2640 (__visit_invoke): Adjust.
2641 (__gen_vtable): Add a template parameter for enforcing
2642 same return types for visit.
2643 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
2644 different return types.
2645 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
2646 visitors with different return types don't accidentally
2647 compile with regular visitation.
2649 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
2651 * testsuite/27_io/filesystem/iterators/caching.cc: Add
2652 dg-require-filesystem-ts.
2654 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
2656 * doc/xml/manual/status_cxx2020.xml: Update status.
2657 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
2658 * testsuite/20_util/variant/visit_r.cc: New test.
2660 * include/bits/fs_dir.h (directory_iterator::operator*)
2661 (directory_iterator::operator->): Add noexcept.
2662 (operator==, operator!=): Replace namespace-scope equality operators
2663 for directory iterators with hidden friends.
2666 * config/abi/pre/gnu.ver: Add missing exports.
2667 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
2670 * config/abi/pre/gnu.ver: Export new symbols.
2671 * include/bits/fs_dir.h (recursive_directory_iterator::options())
2672 (recursive_directory_iterator::recursion_pending())
2673 (recursive_directory_iterator::disable_recursion_pending()): Remove
2674 inline definitions. Make noexcept.
2675 (recursive_directory_iterator::depth())
2676 (recursive_directory_iterator::operator*())
2677 (recursive_directory_iterator::operator->()): Make noexcept.
2678 (recursive_directory_iterator::_M_options)
2679 (recursive_directory_iterator::_M_pending): Remove data members.
2680 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
2681 (recursive_directory_iterator::recursive_directory_iterator): Remove
2682 ctor-initializer. Use new constructor for _Dir_stack.
2683 (recursive_directory_iterator::options())
2684 (recursive_directory_iterator::recursion_pending())
2685 (recursive_directory_iterator::disable_recursion_pending()): Add
2686 non-inline definitions.
2687 (recursive_directory_iterator::depth()): Make noexcept.
2688 (recursive_directory_iterator::increment(error_code&))
2689 (recursive_directory_iterator::pop(error_code&)): Adjust to new
2690 location of options and recursion_pending members.
2691 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
2692 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
2693 user-declared move constructor and assignment operator, to make the
2696 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
2697 d_type == DT_UNKNOWN immediately.
2698 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
2700 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
2702 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
2704 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
2705 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
2708 PR libstdc++/87431 (again)
2709 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
2710 Define partial specialization for basic_string.
2711 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
2712 shared_ptr and weak_ptr.
2713 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
2715 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
2717 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
2719 * include/debug/vector (_Never_valueless_alt): Likewise for debug
2721 * include/std/any (_Never_valueless_alt): Define explicit
2722 specialization for any.
2723 * include/std/variant (_Never_valueless_alt): Define primary template.
2724 (__never_valueless): Use _Never_valueless_alt instead of
2725 is_trivially_copyable.
2726 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
2727 initializations to avoid try-catch overhead. Add special case for
2728 scalars produced by potentially-throwing conversions. Use
2729 _Never_valueless_alt instead of is_trivially_copyable for the
2730 remaining strong exception-safety cases.
2731 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
2732 * testsuite/20_util/variant/87431.cc: Run both test functions.
2733 * testsuite/20_util/variant/exception_safety.cc: New test.
2734 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
2735 so the variant becomes valueless.
2737 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
2740 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
2742 (variant::emplace<_Tp>): Return result of emplace<N> directly.
2744 * include/std/string (__hash_string_base): New class template defining
2745 operator() for hashing strings.
2746 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
2747 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
2748 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
2749 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
2751 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
2753 Use single-visitation in variant assignment and swap and relops.
2754 Also use indices instead of types when checking whether
2755 variants hold the same thing.
2756 * include/std/variant (__do_visit): Add a template parameter
2757 for index visitation, invoke with indices if index visitation
2759 (__variant_idx_cookie): New.
2760 (__visit_with_index): Likewise.
2761 (_Copy_assign_base::operator=): Do single-visitation with
2763 (_Move_assign_base::operator=): Likewise.
2764 (_Extra_visit_slot_needed): Adjust.
2765 (__visit_invoke): Call with indices if it's an index visitor.
2766 (relops): Do single-visitation with an index visitor.
2768 (__visitor_result_type): New.
2770 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
2772 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
2774 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2776 Don't revisit a variant we are already visiting.
2777 * include/std/variant (__variant_construct_single): New.
2778 (__variant_construct): Use it.
2779 (_M_destructive_move): Likewise.
2780 (_M_destructive_copy): Likewise.
2781 (_Copy_assign_base::operator=): Adjust.
2782 (_Move_assign_base::operator=): Likewise.
2785 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
2788 * include/bits/hashtable.h (_Hashtable): Move static assertions to
2789 destructor so they are not evaluated until the _Key type is complete.
2790 * include/bits/stl_tree.h (_Rb_tree): Likewise.
2791 * testsuite/23_containers/set/85965.cc: New test.
2792 * testsuite/23_containers/unordered_set/85965.cc: New test.
2793 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
2794 with regexp matching the corresponding _Rb_tree specialization.
2795 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2796 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
2797 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2798 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2799 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2800 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2801 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2803 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2806 Fix based on a suggestion by Antony Polukhin.
2807 * include/std/variant (__never_valueless): New.
2809 (_Extra_visit_slot_needed): New.
2810 (_Multi_array): Use it.
2811 (_S_apply_all_alts): Likewise.
2813 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2816 Fix based on a suggestion by Antony Polukhin.
2817 * include/std/variant (__gen_vtable): Don't reserve an
2818 additional table slot, _Multi_array already does that.
2820 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2823 Fix based on a suggestion by Antony Polukhin.
2824 * include/std/variant (__variant_construct): Capture a pointer
2825 to the storage and visit just one variant.
2827 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
2829 * doc/xml/manual/backwards_compatibility.xml: Remove link to
2830 Doxygen-generated pages with unstable URL.
2831 * doc/xml/manual/concurrency_extensions.xml: Likewise.
2832 * doc/xml/manual/extensions.xml: Likewise.
2833 * doc/xml/manual/parallel_mode.xml: Likewise.
2834 * doc/xml/manual/support.xml: Likewise.
2836 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
2837 avoid -Wconversion warnings.
2839 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
2841 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
2842 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
2843 (allstamped): Add stamp-pstl.
2844 (install-headers): Add ptsl_builddir.
2845 * include/Makefile.in: Regenerate.
2846 * include/bits/c++config: Add pstl configuration.
2847 * include/pstl/LICENSE.txt: New file.
2848 * include/pstl/algorithm_fwd.h: New file.
2849 * include/pstl/algorithm_impl.h: New file.
2850 * include/pstl/execution_defs.h: New file.
2851 * include/pstl/execution_impl.h: New file.
2852 * include/pstl/glue_algorithm_defs.h: New file.
2853 * include/pstl/glue_algorithm_impl.h: New file.
2854 * include/pstl/glue_execution_defs.h: New file.
2855 * include/pstl/glue_memory_defs.h: New file.
2856 * include/pstl/glue_memory_impl.h: New file.
2857 * include/pstl/glue_numeric_defs.h: New file.
2858 * include/pstl/glue_numeric_impl.h: New file.
2859 * include/pstl/memory_impl.h: New file.
2860 * include/pstl/numeric_fwd.h: New file.
2861 * include/pstl/numeric_impl.h: New file.
2862 * include/pstl/parallel_backend.h: New file.
2863 * include/pstl/parallel_backend_tbb.h: New file.
2864 * include/pstl/parallel_backend_utils.h: New file.
2865 * include/pstl/parallel_impl.h: New file.
2866 * include/pstl/pstl_config.h: New file.
2867 * include/pstl/unseq_backend_simd.h: New file.
2868 * include/pstl/utils.h: New file.
2869 * include/std/algorithm: Include parallel algorithm implementations.
2870 * include/std/execution: New file.
2871 * include/std/memory: Include parallel algorithm implementations.
2872 * include/std/numeric: Include parallel algorithm implementations.
2873 * include/std/version: Add parallel algorithms feature test macro.
2874 * testsuite/util/pstl/pstl_test_config.h: New file.
2875 * testsuite/util/pstl/test_utils.h: New file.
2876 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2877 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2878 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2879 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2880 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2881 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2882 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2883 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2884 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2885 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2886 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2887 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2888 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2889 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2890 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2891 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2892 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2893 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2894 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2895 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2896 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2897 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2898 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2899 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2900 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2901 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2902 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2903 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2904 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2905 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2906 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2907 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2908 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2909 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2910 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2911 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2912 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2913 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2914 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2915 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2916 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2917 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2918 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2919 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2920 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2921 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2922 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2923 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2924 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2925 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2926 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2927 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2928 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2929 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2930 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2931 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2932 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2933 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2934 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2935 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2936 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2937 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2938 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2939 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2940 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2941 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2942 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2943 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2944 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2945 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2946 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2947 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2948 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2949 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2950 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2951 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2952 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2953 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2954 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2955 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2956 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2957 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2958 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2959 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2960 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2961 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2962 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2963 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2964 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2965 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2966 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2967 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2968 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2969 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2970 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2971 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2972 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2973 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2974 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2975 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2976 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2977 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2978 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2979 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2980 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2981 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2983 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
2985 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
2986 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
2987 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
2988 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
2989 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
2990 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
2991 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
2992 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
2993 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
2994 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
2995 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
2996 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
2997 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
2998 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
2999 when the special functions IS is enabled, not for C++17.
3000 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
3002 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
3003 without checks for special functions in C++17.
3004 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
3008 * include/backward/hash_map: Use <> for includes not "".
3009 * include/backward/hash_set: Likewise.
3010 * include/backward/strstream: Likewise.
3011 * include/tr1/bessel_function.tcc: Likewise.
3012 * include/tr1/exp_integral.tcc: Likewise.
3013 * include/tr1/legendre_function.tcc: Likewise.
3014 * include/tr1/modified_bessel_func.tcc: Likewise.
3015 * include/tr1/riemann_zeta.tcc: Likewise.
3017 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
3019 * doc/xml/manual/allocator.xml: Link to table documenting evolution
3020 of extension allocators.
3021 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
3022 Document new headers in 7.2, 8.1 and 9.1 releases.
3023 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
3024 * doc/html/*: Regenerate.
3026 2019-03-12 John David Anglin <dave.anglin@bell.net>
3029 * testsuite/lib/libstdc++.exp: Locate libatomic.
3030 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
3031 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
3033 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
3034 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
3035 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
3036 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
3038 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
3041 * configure.ac: Check for sockatmark.
3042 * crossconfig.m4: Check for sockatmark.
3043 * config.h.in: Regenerate.
3044 * configure: Regenerate.
3045 * include/experimental/internet (address_v4::_S_hton): Rename
3046 overloaded functions to _S_hton_16 and _S_ntoh_16.
3047 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
3048 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
3049 * include/experimental/socket (basic_socket::at_mark): Check
3050 _GLIBCXX_HAVE_SOCKATMARK.
3052 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
3053 const variables instead of macros.
3056 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
3057 Use correct type for len_aligned.
3058 * testsuite/20_util/hash/89629.cc: New test.
3060 2019-03-11 Jakub Jelinek <jakub@redhat.com>
3063 * include/std/atomic (atomic<T>::store, atomic<T>::load,
3064 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
3065 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
3066 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
3067 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
3068 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
3069 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
3070 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
3071 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
3072 memory_order_seq_cst to int.
3074 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
3076 * doc/xml/manual/using.xml: Use link element instead of xref.
3077 * doc/html/*: Regenerate.
3079 * include/bits/fs_path.h (path::format): Add fixed underlying type.
3081 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
3084 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
3085 parameters in deduction guides.
3086 * include/debug/multimap.h (multimap): Likewise.
3087 * include/debug/set.h (multimap): Likewise.
3088 * include/debug/multiset.h (multimap): Likewise.
3089 * include/debug/unordered_map (unordered_map): Likewise.
3090 (unordered_multimap): Likewise.
3091 * include/debug/unordered_set (unordered_set): Likewise.
3092 (unordered_multiset): Likewise.
3095 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
3096 Invalidate all iterators in case of rehash.
3097 (unordered_multimap<>::_M_check_rehashed): Likewise.
3098 * include/debug/unordered_set
3099 (unordered_set<>::_M_check_rehashed): Likewise.
3100 (unordered_multiset<>::_M_check_rehashed): Likewise.
3101 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
3103 2019-03-07 Andreas Schwab <schwab@suse.de>
3105 * config/abi/post/riscv64-linux-gnu: New directory.
3106 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
3108 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
3110 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
3111 compile test to run. Fix typo.
3113 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
3114 * doc/html/*: Regenerate.
3116 P0356R5 Simplified partial function application
3117 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
3118 helpers for bind_front.
3119 (bind_front, __cpp_lib_bind_front): Define.
3120 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
3122 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
3124 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
3125 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
3126 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
3127 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
3129 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
3131 PR libstdc++/86655 - std::assoc_legendre should not constrain
3132 the value of m (or x).
3133 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
3134 __sph_legendre): If degree > order Don't throw, return 0.
3135 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
3136 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
3137 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
3138 * testsuite/tr1/5_numerical_facilities/special_functions/
3139 02_assoc_legendre/pr86655.cc: New test.
3140 * testsuite/tr1/5_numerical_facilities/special_functions/
3141 22_sph_legendre/pr86655.cc: New test.
3143 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
3146 Also PR libstdc++/85517
3147 * include/std/variant (__do_visit): New.
3148 (__variant_cast): Likewise.
3149 (__variant_cookie): Likewise.
3150 (__erased_*): Remove.
3151 (_Variant_storage::_S_vtable): Likewise.
3152 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
3153 (_Variant_storage::__M_reset): Adjust.
3154 (__variant_construct): New.
3155 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
3156 __variant_construct.
3157 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
3158 (_Move_ctor_base::__M_destructive_copy): New.
3159 (_Move_ctor_base::__M_destructive_move): Adjust to use
3160 __variant_construct.
3161 (_Copy_assign_base::operator=): Adjust to use __do_visit.
3162 (_Copy_assign_alias): Adjust to check both copy assignment
3163 and copy construction for triviality.
3164 (_Move_assign_base::operator=): Adjust to use __do_visit.
3165 (_Multi_array): Add support for visitors that accept and return
3167 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
3168 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
3169 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
3170 a __variant_cookie temporary for a variant that is valueless and..
3171 (__gen_vtable_impl::__visit_invoke): ..adjust here.
3172 (__gen_vtable::_Array_type): Conditionally make space for
3173 the __variant_cookie visitor case.
3174 (__variant_construct_by_index): New.
3175 (get_if): Adjust to use std::addressof.
3176 (relops): Adjust to use __do_visit.
3177 (variant): Add __variant_cast and __variant_construct_by_index
3179 (variant::emplace): Use _M_reset() and __variant_construct_by_index
3180 instead of self-destruction.
3181 (variant::swap): Adjust to use __do_visit.
3182 (visit): Reimplement in terms of __do_visit.
3183 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
3184 * testsuite/20_util/variant/compile.cc: Adjust.
3185 * testsuite/20_util/variant/run.cc: Likewise.
3187 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
3189 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
3191 * testsuite/experimental/feat-char8_t.cc: Likewise.
3193 * include/std/type_traits [C++20] (is_bounded_array)
3194 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
3196 * testsuite/20_util/is_bounded_array/requirements/
3197 explicit_instantiation.cc: New test.
3198 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
3200 * testsuite/20_util/is_bounded_array/value.cc: New test.
3201 * testsuite/20_util/is_unbounded_array/requirements/
3202 explicit_instantiation.cc: New test.
3203 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
3205 * testsuite/20_util/is_unbounded_array/value.cc: New test.
3207 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
3209 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
3211 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
3213 * include/c_compatibility/math.h [C++20] (lerp): Add using
3215 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
3216 (__lerp): Define function template to implement lerp.
3217 (lerp(float, float, float), lerp(double, double, double))
3218 (lerp(long double, long double, long double)): Define for C++20.
3219 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
3220 (midpoint(T, T), midpoint(T*, T*)): Define.
3221 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
3222 * testsuite/26_numerics/lerp.cc: New test.
3223 * testsuite/26_numerics/midpoint/floating.cc: New test.
3224 * testsuite/26_numerics/midpoint/integral.cc: New test.
3225 * testsuite/26_numerics/midpoint/pointer.cc: New test.
3227 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
3229 PR libstdc++/88996 Implement P0439R0
3230 Make std::memory_order a scoped enumeration.
3231 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
3232 add variables for the old enumerators. Adjust calls.
3233 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
3234 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
3236 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
3238 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
3241 * include/std/memory_resource (polymorphic_allocator): Add default
3242 template argument for C++20.
3243 (polymorphic_allocator::allocate_bytes)
3244 (polymorphic_allocator::deallocate_bytes)
3245 (polymorphic_allocator::allocate_object)
3246 (polymorphic_allocator::deallocate_object)
3247 (polymorphic_allocator::new_object)
3248 (polymorphic_allocator::delete_object): New member functions for
3250 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
3253 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
3256 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
3259 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
3261 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
3262 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
3264 * include/std/memory (uses_allocator_construction_args): New set of
3265 overloaded functions.
3266 (make_obj_using_allocator, uninitialized_construct_using_allocator):
3268 * include/std/memory_resource (polymorphic_allocator::construct)
3269 [__cplusplus > 201703l]: Replace all overloads with a single function
3270 using uses_allocator_construction_args.
3271 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
3273 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
3275 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
3278 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
3279 stylesheet directories before check for xsltproc. Try to use
3280 xmlcatalog to find local stylesheet directory before trying hardcoded
3281 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
3282 check to look for the same stylesheet as doc/Makefile.am uses. Don't
3283 use xsltproc if xmlcatalog fails to find a local stylesheet.
3284 * configure.ac: Check for xmlcatalog.
3285 * Makefile.in: Regenerate.
3286 * configure: Likewise.
3287 * doc/Makefile.in: Likewise.
3288 * include/Makefile.in: Likewise.
3289 * libsupc++/Makefile.in: Likewise.
3290 * po/Makefile.in: Likewise.
3291 * python/Makefile.in: Likewise.
3292 * src/Makefile.in: Likewise.
3293 * src/c++11/Makefile.in: Likewise.
3294 * src/c++17/Makefile.in: Likewise.
3295 * src/c++98/Makefile.in: Likewise.
3296 * src/filesystem/Makefile.in: Likewise.
3297 * testsuite/Makefile.in: Likewise.
3299 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
3302 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
3303 container deduction guides.
3304 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
3305 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
3306 parameters in deduction guides.
3307 * include/bits/stl_multimap.h (multimap): Likewise.
3308 * include/bits/stl_multiset.h (multiset): Likewise.
3309 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
3310 * include/bits/stl_set.h (set): Likewise.
3311 * include/bits/stl_stack.h (stack): Likewise.
3312 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
3313 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
3314 constrain parameters in deduction guides.
3315 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
3317 * testsuite/23_containers/map/cons/deduction.cc: Test additional
3319 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
3320 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
3321 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
3322 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
3324 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
3326 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
3329 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
3330 to class template and partial specialization using void_t.
3331 (__is_copy_insertable, __is_move_insertable): Adjust base class.
3333 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
3336 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
3337 copy and move members public.
3339 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
3341 * include/std/type_traits (__underlying_type_impl): New helper to
3342 make underlying_type SFINAE-friendly.
3343 (underlying_type): Derive from __underlying_type_impl.
3344 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
3348 * include/bits/char_traits.h (__constant_char_array): Check index is
3349 in range before dereferencing.
3350 (char_traits<char>::compare, char_traits<char>::find)
3351 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
3352 immediately if n is zero.
3353 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
3354 Remove workarounds for PR 67026.
3355 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
3357 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
3360 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
3362 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
3363 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
3365 2019-02-22 Jakub Jelinek <jakub@redhat.com>
3368 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
3369 type to std::size_t and argument to type to long double.
3371 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
3373 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
3374 * config/abi/post/sparc64-linux-gnu: New directory.
3375 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
3376 * config/abi/post/sparc64-linux-gnu/32: New directory.
3377 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
3379 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
3381 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
3382 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
3385 2019-02-22 Tom Honermann <tom@honermann.net>
3387 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
3388 printers for u8string and u8string_view.
3390 2019-02-22 Tom Honermann <tom@honermann.net>
3392 * testsuite/18_support/byte/ops.cc: Validate
3393 std::to_integer<char8_t>, std::to_integer<char16_t>, and
3394 std::to_integer<char32_t>.
3395 * testsuite/18_support/numeric_limits/dr559.cc: Validate
3396 std::numeric_limits<char8_t>.
3397 * testsuite/18_support/numeric_limits/lowest.cc: Validate
3398 std::numeric_limits<char8_t>::lowest().
3399 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
3400 std::numeric_limits<char8_t>::max_digits10.
3401 * testsuite/18_support/type_info/fundamental.cc: Validate
3402 typeinfo for char8_t.
3403 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
3404 std::from_chars with char8_t.
3405 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
3406 Validate explicit instantiation of std::hash<char8_t>.
3407 * testsuite/20_util/is_integral/value.cc: Validate
3408 std::is_integral<char8_t>.
3409 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
3410 Validate std::make_signed<char8_t>.
3411 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
3412 Validate u8string construction from char8_t sources.
3413 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
3415 * testsuite/21_strings/basic_string_view/operations/compare/
3416 char/70483.cc: Validate substr operations on u8string_view.
3417 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
3418 the u8string_view typedef is defined.
3419 * testsuite/21_strings/char_traits/requirements/
3420 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
3422 * testsuite/21_strings/char_traits/requirements/
3423 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
3424 constexpr member functions.
3425 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
3426 that the u8string typedef is defined.
3427 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
3428 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
3429 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
3430 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
3432 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
3433 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
3435 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
3436 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
3437 Validate std::atomic<char8_t>::is_always_lock_free
3438 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
3439 Update line numbers.
3440 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
3442 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
3444 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
3445 Validate std::experimental::pmr::u8string.
3446 * testsuite/experimental/string_view/typedefs.cc: Validate that the
3447 u8string_view typedef is defined.
3448 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
3449 char32_t to the typelists.
3451 2019-02-22 Tom Honermann <tom@honermann.net>
3453 * include/ext/typelist.h: Constrain a partial specialization of
3454 typelist::detail::append_ to only match chain<T1,T2>.
3456 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
3459 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
3460 class template with class. Replace move and copy member types with
3461 member alias templates, so they are only instantiated when needed.
3462 (__is_copy_insertable, __is_move_insertable): Adjust base class.
3463 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
3464 test for C++11/14/17 as well.
3465 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
3468 2019-02-20 Jakub Jelinek <jakub@redhat.com>
3471 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
3472 _GLIBCXX_PURE to the alias declaration.
3474 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
3476 * testsuite/21_strings/basic_string/literals/types.cc
3477 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
3478 * testsuite/21_strings/basic_string/literals/values.cc
3479 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3480 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
3481 potentially having different type.
3482 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
3483 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
3485 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
3486 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
3487 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
3488 string literals only using basic character set.
3489 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
3490 u8 literals to char.
3491 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
3492 Test ATOMIC_CHAR8_T_LOCK_FREE.
3493 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
3494 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
3495 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
3496 * testsuite/experimental/string_view/literals/types.cc
3497 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
3499 * testsuite/experimental/string_view/literals/values.cc
3500 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3502 2019-02-19 Tom Honermann <tom@honermann.net>
3504 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
3505 from char16_32_t.cc; validates numeric_limits<char8_t>.
3506 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
3507 test cloned from types.cc; validates operator""s for char8_t
3509 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
3510 test cloned from values.cc; validates construction and comparison
3512 * testsuite/21_strings/basic_string/requirements/
3513 /explicit_instantiation/char8_t/1.cc: New test cloned from
3514 char16_t/1.cc; validates explicit instantiation of
3515 basic_string<char8_t>.
3516 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
3517 New test cloned from types.cc; validates operator""sv for char8_t
3518 returns u8string_view.
3519 * testsuite/21_strings/basic_string_view/literals/
3520 values-char8_t.cc: New test cloned from values.cc; validates
3521 construction and comparison of u8string_view values.
3522 * testsuite/21_strings/basic_string_view/requirements/
3523 explicit_instantiation/char8_t/1.cc: New test cloned from
3524 char16_t/1.cc; validates explicit instantiation of
3525 basic_string_view<char8_t>.
3526 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
3527 New test cloned from char16_t/65049.cc; validates that
3528 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
3529 * testsuite/21_strings/char_traits/requirements/char8_t/
3530 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
3531 that char_traits<char8_t> member typedefs are present and correct.
3532 * testsuite/21_strings/char_traits/requirements/
3533 explicit_instantiation/char8_t/1.cc: New test cloned from
3534 char16_t/1.cc; validates explicit instantiation of
3535 char_traits<char8_t>.
3536 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
3537 from char16_t.cc: validates
3538 codecvt<char16_t, char8_t, mbstate_t>.
3539 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
3540 from char32_t.cc: validates
3541 codecvt<char32_t, char8_t, mbstate_t>.
3542 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
3543 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
3544 codecvt<char32_t, char8_t, std::mbstate_t>.
3545 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
3546 test cloned from string.cc; validates filesystem::path construction
3548 * testsuite/experimental/feat-char8_t.cc: New test; validates that
3549 the __cpp_lib_char8_t feature test macro is defined with the
3551 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3552 New test cloned from string.cc; validates filesystem::path
3553 construction from char8_t input.
3554 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
3555 test cloned from types.cc; validates operator""sv for char8_t
3556 returns u8string_view.
3557 * testsuite/experimental/string_view/literals/values-char8_t.cc:
3558 New test cloned from values.cc; validates construction and
3559 comparison of u8string_view values.
3560 * testsuite/experimental/string_view/requirements/
3561 explicit_instantiation/char8_t/1.cc: New test cloned from
3562 char16_t/1.cc; validates explicit instantiation of
3563 basic_string_view<char8_t>.
3564 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
3565 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
3568 2019-02-19 Tom Honermann <tom@honermann.net>
3570 P0482R5 char8_t: Standard library support
3571 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
3572 typeinfo symbols for char8_t.
3573 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
3574 (GLIBCXX_3.4.26): Add symbols for specializations of
3575 numeric_limits and codecvt that involve char8_t.
3576 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
3577 * include/bits/atomic_base.h: Add atomic_char8_t.
3578 * include/bits/basic_string.h: Add std::hash<u8string> and
3579 operator""s(const char8_t*, size_t).
3580 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
3582 * include/bits/char_traits.h: Add char_traits<char8_t>.
3583 * include/bits/codecvt.h: Add
3584 codecvt<char16_t, char8_t, mbstate_t>,
3585 codecvt<char32_t, char8_t, mbstate_t>,
3586 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3587 codecvt_byname<char32_t, char8_t, mbstate_t>.
3588 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
3589 recognize char8_t as an integral type.
3590 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
3592 (path::u8string): Return std::u8string when char8_t support is
3594 (path::generic_u8string): Likewise.
3595 (path::_S_convert): Handle conversion from char8_t input.
3596 (path::_S_str_convert): Likewise.
3597 * include/bits/functional_hash.h: Add hash<char8_t>.
3598 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
3600 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
3601 for new char8_t specializations.
3602 * include/bits/localefwd.h: Add missing declarations of
3603 codecvt<char16_t, char, mbstate_t> and
3604 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
3605 codecvt<char16_t, char8_t, mbstate_t> and
3606 codecvt<char32_t, char8_t, mbstate_t>.
3607 * include/bits/postypes.h: Add u8streampos
3608 * include/bits/stringfwd.h: Add declarations of
3609 char_traits<char8_t> and u8string.
3610 * include/c_global/cstddef: Add __byte_operand<char8_t>.
3611 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3613 (path::u8string): Return std::u8string when char8_t support is
3615 (path::generic_u8string): Likewise.
3616 (path::_S_convert): Handle conversion from char8_t input.
3617 (path::_S_str_convert): Likewise.
3618 * include/experimental/string: Add u8string.
3619 * include/experimental/string_view: Add u8string_view,
3620 hash<experimental::u8string_view>, and
3621 operator""sv(const char8_t*, size_t).
3622 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
3623 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
3624 as a character type.
3625 * include/std/limits: Add numeric_limits<char8_t>.
3626 * include/std/string_view: Add u8string_view,
3627 hash<experimental::u8string_view>, and
3628 operator""sv(const char8_t*, size_t).
3629 * include/std/type_traits: Add __is_integral_helper<char8_t>,
3630 __make_unsigned<char8_t>, and __make_signed<char8_t>.
3631 * libsupc++/atomic_lockfree_defines.h: Define
3632 ATOMIC_CHAR8_T_LOCK_FREE.
3633 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
3634 codecvt.cc and limits.cc so that char8_t specializations of
3635 numeric_limits and codecvt and emitted.
3636 * src/c++11/Makefile.in: Likewise.
3637 * src/c++11/codecvt.cc: Define members of
3638 codecvt<char16_t, char8_t, mbstate_t>,
3639 codecvt<char32_t, char8_t, mbstate_t>,
3640 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3641 codecvt_byname<char32_t, char8_t, mbstate_t>.
3642 * src/c++11/limits.cc: Define members of
3643 numeric_limits<char8_t>.
3644 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
3645 locale_init.cc and localename.cc.
3646 * src/c++98/Makefile.in: Likewise.
3647 * src/c++98/locale_init.cc: Add initialization for the
3648 codecvt<char16_t, char8_t, mbstate_t> and
3649 codecvt<char32_t, char8_t, mbstate_t> facets.
3650 * src/c++98/localename.cc: Likewise.
3651 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
3653 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
3655 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
3656 * 27_io/filesystem/operations/resize_file.cc: Likewise.
3657 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
3659 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
3661 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
3662 * doc/html/*: Regenerate.
3664 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
3665 * doc/html/*: Regenerate.
3667 * doc/xml/manual/intro.xml: Document LWG 2586 status.
3668 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
3669 allocator type in is_constructible checks.
3670 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
3671 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
3672 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
3673 problematic type from LWG 2586 discussion.
3674 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
3675 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
3677 * configure.ac: Check for C11 timespec_get function.
3678 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
3680 * config.h.in: Regenerate.
3681 * configure: Regenerate.
3682 * include/c_global/ctime (timespec, timespec_get): Add to namespace
3683 std for C++17 and up.
3685 * doc/xml/manual/intro.xml: Document LWG 2537 status.
3686 * include/bits/stl_queue.h
3687 (priority_queue(const Compare&, const Container&, const Alloc&))
3688 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
3690 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
3692 * doc/xml/manual/intro.xml: Document LWG 2566 status.
3693 * include/bits/stl_queue.h (queue, priority_queue): Add static
3694 assertions to enforce LWG 2566 requirement on value_type.
3695 * include/bits/stl_stack.h (stack): Likewise.
3698 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
3700 * doc/xml/manual/intro.xml: Document LWG 2735 status.
3701 * include/bits/std_abs.h: Add comment about LWG 2735.
3702 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
3704 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
3707 * include/std/version [__cpp_impl_destroying_delete]
3708 (__cpp_lib_destroying_delete): Only define for C++2a and later.
3709 * libsupc++/new [__cpp_impl_destroying_delete]
3710 (__cpp_lib_destroying_delete): Likewise.
3711 (destroying_delete_t, destroying_delete): Likewise, but define even
3712 when __cpp_impl_destroying_delete is not defined.
3713 * testsuite/18_support/destroying_delete.cc: New test.
3715 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
3718 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
3719 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
3720 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
3721 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
3723 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
3726 * include/bits/fs_path.h (path::has_root_name)
3727 (path::has_root_directory, path::has_root_path)
3728 (path::has_relative_path, path::has_parent_path)
3729 (path::has_filename, path::has_stem, path::has_extension)
3730 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
3732 * src/c++17/fs_path.cc (path::has_root_name)
3733 (path::has_root_directory, path::has_root_path)
3734 (path::has_relative_path, path::has_parent_path)
3735 (path::has_filename, path::_M_find_extension): Add noexcept.
3737 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
3739 PR libstdc++/89102 (partial)
3740 * include/std/type_traits (common_type<>): Define.
3741 (common_type<T>): Derive from common_type<T, T>.
3742 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3743 Test zero-length template argument list.
3744 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3745 Test additional single argument cases.
3746 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3747 Adjust expected error.
3749 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
3752 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
3754 * include/bits/stl_stack.h (stack): Likewise.
3755 * testsuite/23_containers/priority_queue/deduction.cc: New test.
3756 * testsuite/23_containers/queue/deduction.cc: New test.
3757 * testsuite/23_containers/stack/deduction.cc: New test.
3760 * include/std/type_traits (__is_convertible_helper)
3761 (__is_convertible_helper<_From, _To, false>): Revert changes to
3762 support is_nothrow_convertible.
3763 (__is_nt_convertible_helper): New helper.
3764 (is_nothrow_convertible): Use __is_nt_convertible_helper.
3766 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
3767 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
3770 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
3771 __is_alloc_insertable_impl. Replace single type member with two
3772 members, one for each of copy and move insertable.
3773 (__is_move_insertable): New trait for internal use.
3774 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
3775 (vector::_S_nothrow_relocate(true_type)): New functions to
3776 conditionally check if __relocate_a can throw.
3777 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
3778 on __is_move_insertable.
3779 (vector::_S_do_relocate): New overloaded functions to conditionally
3781 (vector::_S_relocate): New function that dispatches to _S_do_relocate
3782 based on _S_use_relocate.
3783 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3784 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
3785 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
3788 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
3789 parameter unnamed. Add message to static assertion.
3790 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3791 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
3794 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
3797 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
3799 (__is_bitwise_relocatable): ... to this.
3800 (__relocate_a_1): Adapt.
3801 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
3802 (__is_bitwise_relocatable): ... to this.
3804 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
3807 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
3808 final component as well as from _M_pathname. Append the dot using
3809 operator+= instead of only to _M_pathname.
3810 (path::_M_find_extension): Reformat slightly.
3811 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
3812 Add more test cases.
3814 2019-01-30 Ulrich Drepper <drepper@redhat.com>
3816 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
3818 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
3820 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
3821 constexpr specifiers from arg and proj.
3823 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
3824 __shared_ptr instantiations used by gcc4-compatible ABI.
3826 * include/experimental/forward_list (experimental::erase): Qualify
3828 * include/experimental/list (experimental::erase): Likewise.
3829 * include/std/forward_list (std::erase): Likewise.
3830 * include/std/list (std::erase): Likewise.
3832 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
3834 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
3835 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
3836 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
3837 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
3838 * testsuite/ext/array_allocator/26875.cc: Likewise.
3839 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
3840 * testsuite/util/replacement_memory_operators.h: Likewise.
3841 * testsuite/util/testsuite_allocator.h: Likewise.
3843 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
3844 normal mode vector, even for debug mode.
3845 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
3846 Define alias template for normal mode vector.
3848 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
3851 * config/locale/generic/c_locale.h (__convert_from_v)
3852 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3853 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3854 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
3855 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3857 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
3860 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
3861 data member with static member function _S_use_relocate().
3862 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3863 (vector::_M_default_append): Use _S_use_relocate() instead of
3866 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
3869 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
3872 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
3873 write to stderr instead of using printf.
3875 2019-01-21 Jakub Jelinek <jakub@redhat.com>
3878 * include/bits/char_traits.h (__constant_string_p,
3879 __constant_char_array_p): Use __builtin_is_constant_evaluated if
3882 2019-01-20 Ulrich Drepper <drepper@redhat.com>
3884 Implement C++20 P0600r1.
3885 * include/backward/hash_map: Add nodiscard attribute to empty.
3886 * include/backward/hash_set: Likewise.
3887 * backward/hashtable.h: Likewise.
3888 * include/bits/basic_string.h: Likewise.
3889 * include/bits/forward_list.h: Likewise.
3890 * include/bits/hashtable.h: Likewise.
3891 * include/bits/regex.h: Likewise.
3892 * include/bits/stl_deque.h: Likewise.
3893 * include/bits/stl_list.h: Likewise.
3894 * include/bits/stl_map.h: Likewise.
3895 * include/bits/stl_multimap.h: Likewise.
3896 * include/bits/stl_multiset.h: Likewise.
3897 * include/bits/stl_queue.h: Likewise.
3898 * include/bits/stl_set.h: Likewise.
3899 * include/bits/stl_stack.h: Likewise.
3900 * include/bits/stl_tree.h: Likewise.
3901 * include/bits/stl_vector.h: Likewise.
3902 * include/bits/unordered_map.h: Likewise.
3903 * include/bits/unordered_set.h: Likewise.
3904 * include/debug/array: Likewise.
3905 * include/experimental/any: Likewise.
3906 * include/experimental/bits/fs_path.h: Likewise.
3907 * include/experimental/internet: Likewise.
3908 * include/experimental/string_view: Likewise.
3909 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
3911 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
3913 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
3915 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
3917 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
3919 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
3921 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
3923 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
3925 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3926 info_fn_imps.hpp: Likewise.
3927 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3928 left_child_next_sibling_heap_.hpp: Likewise.
3929 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
3931 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
3933 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
3935 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
3937 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
3939 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
3941 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
3943 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
3944 * include/ext/pb_ds/trie_policy.hpp: Likewise.
3945 * include/ext/rope: Likewise.
3946 * include/ext/slist: Likewise.
3947 * include/ext/vstring.h: Likewise.
3948 * include/profile/array: Likewise.
3949 * include/std/array: Likewise.
3950 * include/tr1/array: Likewise.
3951 * include/tr1/hashtable.h: Likewise.
3952 * include/tr1/regex: Likewise.
3953 * include/tr2/dynamic_bitset: Likewise.
3954 * include/bits/alloc_traits.h: Add nodiscard attribute to
3956 * include/experimental/memory_resource: Likewise.
3957 * include/ext/alloc_traits.h: Likewise.
3958 * include/ext/array_allocator.h: Likewise.
3959 * include/ext/bitmap_allocator.h: Likewise.
3960 * include/ext/debug_allocator.h: Likewise.
3961 * include/ext/extptr_allocator.h: Likewise.
3962 * include/ext/mt_allocator.h: Likewise.
3963 * include/ext/new_allocator.h: Likewise.
3964 * include/ext/pool_allocator.h: Likewise.
3965 * include/ext/throw_allocator.h: Likewise.
3966 * include/std/scoped_allocator: Likewise.
3967 * libsupc++/eh_alloc.cc: Likewise.
3968 * include/std/future: Add nodiscard attribute to async.
3969 * libsupc++/new: Add nodiscard attribute to new.
3971 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
3976 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
3977 * include/bits/shared_ptr.h
3978 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
3979 (allocate_shared): Change to use new tag type.
3980 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
3981 Declare new member function.
3982 (_Sp_alloc_shared_tag): Define new type.
3983 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
3984 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
3985 _Sp_make_shared_tag::_S_eq to check type_info.
3986 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
3987 Constrain to prevent being called with _Sp_alloc_shared_tag.
3988 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
3989 Replace constructor with ...
3990 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
3991 reference parameter so address of the new object can be returned to
3992 the caller. Obtain the allocator from the tag type.
3993 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
3994 constructor with ...
3995 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
3996 to the __shared_count constructor.
3997 (__allocate_shared): Change to use new tag type.
3998 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
4000 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
4002 * src/c++17/fs_ops.cc
4003 (equivalent(const path&, const path&, error_code&))
4004 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
4005 compare files instead of relying on incomplete info returned by stat.
4008 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
4009 if the path is already absolute.
4010 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
4011 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
4014 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
4015 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
4016 of filesystem::exists.
4017 (create_directories(const path&, error_code&)): Add assertions.
4018 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
4019 Add workaround for bug in _wstat for paths with trailing slash.
4020 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
4021 for expected behaviour on mingw.
4022 * testsuite/experimental/filesystem/operations/create_directories.cc:
4024 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
4025 "TMP" instead of "TMPDIR" and clean environment before each test. Do
4026 not test permissions on mingw targets.
4028 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
4030 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
4031 constructors and open members taking wide strings. Fix patterns for
4032 filesystem::path members to match wstring_view parameters. Add
4033 exports for shared_ptr members used by directory iterators.
4034 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
4035 error code parameter if the file doesn't exist.
4036 * src/filesystem/ops.cc (remove(const path&, error_code&)):
4038 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
4039 values for mingw targets, where "/" is not an absolute path. Do not
4040 test symlinks on mingw targets.
4041 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
4042 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
4044 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
4045 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
4046 that each component of the path is created.
4047 * testsuite/experimental/filesystem/operations/create_directories.cc:
4049 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
4050 permissions on mingw targets.
4051 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
4052 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
4053 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
4054 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
4056 * testsuite/experimental/filesystem/operations/permissions.cc:
4058 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
4059 symlinks or permissions on mingw targets.
4060 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
4061 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
4062 symlinks on mingw targets.
4063 * testsuite/experimental/filesystem/operations/remove_all.cc:
4065 * testsuite/27_io/filesystem/operations/status.cc: Do not test
4066 permissions on mingw targets.
4067 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
4068 test symlinks on mingw targets.
4069 * testsuite/experimental/filesystem/operations/space.cc: Fix test
4072 2019-02-14 Ulrich Drepper <drepper@redhat.com>
4075 Warn about unused comparisons of shared_ptr/unique_ptr
4076 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
4077 * include/bits/shared_ptr.h: Use it for operator ==, !=,
4078 <, <=, >, >= for shared_ptr.
4079 * include/bits/unique_ptr.h: Likewise for unique_ptr.
4081 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
4083 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
4084 as 201611L, because P0497R0 changes are supported.
4085 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
4087 * include/bits/erase_if.h [__cplusplus > 201703L]
4088 (__cpp_lib_erase_if): Only define for C++2a.
4089 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
4090 (__cpp_lib_null_iterators): Define.
4091 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
4092 (__cpp_lib_null_iterators): Define.
4093 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
4095 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
4097 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
4099 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
4100 changes are supported.
4101 * include/std/optional (__cpp_lib_optional): Likewise.
4102 * include/std/variant (__cpp_lib_variant): Likewise.
4103 * include/std/version [!__STRICT_ANSI__]
4104 (__cpp_lib_uncaught_exceptions): Define as long integer.
4105 [__cplusplus >= 201703L] (__cpp_lib_any)
4106 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
4107 (__cpp_lib_variant): Define for C++17.
4108 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
4110 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
4113 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
4115 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
4119 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
4121 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
4124 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
4126 * doc/xml/manual/intro.xml: Include new section.
4127 * doc/xml/manual/status_cxx2017.xml: Document more
4128 implementation-defined properties of the library.
4129 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
4130 * doc/html/*: Regenerate.
4132 * include/bits/refwrap.h [__cplusplus > 201703L]
4133 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
4134 (_Reference_wrapper_base_memfun): Do not define for C++2a.
4135 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
4137 (reference_wrapper::operator()): Add static assertion.
4138 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
4140 * include/std/chrono (duration_values::zero(), duration_values::min())
4141 (duration_values::max()): Add noexcept.
4142 (duration::zero(), duration::min(), duration::max()): Likewise.
4143 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
4144 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
4145 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
4147 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
4149 2019-01-11 Jakub Jelinek <jakub@redhat.com>
4151 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
4152 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
4154 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
4157 * include/bits/functional_hash.h (hash<nullptr_t>): Define
4158 specialization for C++17 (P0513R0, LWG 2817).
4159 * testsuite/20_util/hash/nullptr.cc: New test.
4162 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
4163 pattern for std::basic_stringbuf::str().
4165 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
4166 basic_ostream::operator<< patterns.
4168 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
4170 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
4171 test failures on targets with 32-bit time_t.
4173 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
4174 * include/std/deque: Likewise.
4175 * include/std/forward_list: Likewise.
4176 * include/std/list: Likewise.
4177 * include/std/string: Likewise.
4178 * include/std/vector: Likewise.
4179 * include/std/version: Likewise.
4180 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
4181 * testsuite/23_containers/deque/erasure.cc: Likewise.
4182 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
4183 * testsuite/23_containers/list/erasure.cc: Likewise.
4184 * testsuite/23_containers/map/erasure.cc: Likewise.
4185 * testsuite/23_containers/set/erasure.cc: Likewise.
4186 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
4187 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
4188 * testsuite/23_containers/vector/erasure.cc: Likewise.
4190 * include/experimental/internet [AI_NUMERICSERV]
4191 (resolver_base::numeric_service): Define conditionally.
4192 * testsuite/experimental/net/internet/resolver/base.cc: Test it
4194 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
4197 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
4198 Jonathan Wakely <jwakely@redhat.com>
4201 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
4202 (GLIBCXX_3.4.26): Add new exports.
4203 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
4204 correct list of sources.
4205 * include/Makefile.in: Regenerate.
4206 * include/std/ostream (operator<<(nullptr_t)): New member function.
4207 * src/c++17/ostream-inst.cc: New file.
4208 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
4211 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
4213 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
4214 of the source file containing the caller.
4215 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
4216 directories created by test.
4217 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4219 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4221 * testsuite/experimental/filesystem/iterators/
4222 recursive_directory_iterator.cc: Likewise.
4224 2019-01-10 Jakub Jelinek <jakub@redhat.com>
4226 PR tree-optimization/88775
4227 * include/bits/stl_function.h (greater<_Tp*>::operator(),
4228 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
4229 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
4230 instead of __builtin_constant_p if available. Don't bother with
4231 the pointer comparison in C++11 and earlier.
4233 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
4237 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
4240 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
4242 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
4243 for filesystem::path. Give variables more distinctive names.
4245 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
4246 member function to perform non-trivial assignment.
4247 (_Optional_payload_base::_M_move_assign): Likewise.
4248 (_Optional_payload<T, true, false, true>::operator=)
4249 (_Optional_payload<T, true, true, false>::operator=)
4250 (_Optional_payload<T, true, false, false>::operator=): Call
4251 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
4254 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
4255 test std::complex<long double> if long double format is IBM128.
4256 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
4259 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
4261 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
4262 for old std::unique_ptr layout.
4263 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
4264 to become valueless. Add filesystem::path tests.
4267 * include/std/optional (_Optional_payload_base): New class template
4268 for common code hoisted from _Optional_payload specializations. Use
4269 a template for the union, to allow a partial specialization for
4270 types with non-trivial destructors. Add constructors for in-place
4271 initialization to the union.
4272 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
4273 to perform non-trivial copy construction, instead of relying on
4274 non-standard copy elision in a delegating constructor.
4275 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
4276 non-trivial move construction.
4277 (_Optional_payload): Derive from _Optional_payload_base and use it
4278 for everything except the non-trivial assignment operators, which are
4280 (_Optional_payload<false, C, M>): Derive from the specialization
4281 _Optional_payload<true, false, false> and add a destructor.
4282 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
4283 Forward to corresponding members of _Optional_payload.
4284 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
4285 Hoist common members from _Optional_base.
4286 (_Optional_base): Make all members and base class public.
4287 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
4288 _Optional_base_impl.
4289 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
4290 support for new std::optional layout.
4291 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
4294 * include/bits/locale_conv.h: Use <> for includes not "".
4295 * include/ext/random: Likewise.
4296 * include/ext/vstring.h: Likewise.
4298 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4300 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
4301 (GLIBCXX_3.4.21): Likewise.
4303 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
4306 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
4307 to match the one that controls whether utimbuf and utime are declared.
4309 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
4312 * include/bits/char_traits.h (char_traits::move): Do not pass null
4313 pointers to memmove.
4314 * include/bits/locale_facets.h
4315 (ctype<char>::widen(const char*, const char*, char*)): Do not
4316 pass null pointers to memcpy.
4317 (ctype<char>::narrow(const char*, const char*, char, char*)):
4319 (ctype<char>::do_widen(const char*, const char*, char*)):
4321 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
4324 * doc/xml/manual/spine.xml: Update copyright years.
4325 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
4326 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
4327 for C++17 filesystem library.
4328 * doc/html/*: Regenerate.
4330 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
4331 * config.h.in: Regenerate.
4332 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
4333 alphabetically and add missing entries for copy_symlink,
4334 hard_link_count, rename, and resize_file.
4335 * configure: Regenerate.
4336 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
4337 used unconditionally.
4338 * src/filesystem/ops-common.h (__gnu_posix::truncate)
4339 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
4340 supports truncating to zero length.
4341 * testsuite/27_io/filesystem/operations/all.cc: New test.
4342 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
4344 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
4347 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
4348 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
4349 * config.h.in: Regenerate.
4350 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
4351 remaining std::filesystem types and functions.
4352 * configure: Regenerate.
4353 * src/c++17/Makefile.am: Add C++17 filesystem sources.
4354 * src/c++17/Makefile.in: Regenerate.
4355 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
4356 here, and change name of included file.
4357 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
4358 here, and change name of included file.
4359 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
4360 path to dir-common.h.
4361 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
4362 path to ops-common.h. Disable -Wunused-parameter warnings.
4363 (internal_file_clock): Define unconditionally.
4364 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
4366 (do_copy_file, do_space): Move definitions to ops.common.h.
4367 (copy, file_size, hard_link_count, last_write_time, space): Only
4368 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
4370 (last_write_time, read_symlink): Remove unused attributes from
4372 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
4373 * src/filesystem/Makefile.in: Regenerate.
4374 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
4375 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
4376 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
4377 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
4378 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
4379 dummy types and functions instead of using #error.
4380 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
4381 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
4383 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
4384 (do_copy_file, do_space): Move definitions here from std-ops.cc.
4385 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
4386 to account for new namespace.
4387 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
4388 -lstdc++fs from dg-options.
4389 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
4390 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
4391 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
4392 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
4393 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
4395 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
4396 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4398 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
4399 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
4400 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
4401 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
4402 * testsuite/27_io/filesystem/operations/create_directories.cc:
4404 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
4405 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
4406 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
4407 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
4408 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
4409 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
4410 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
4411 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
4412 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
4413 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
4414 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
4415 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
4416 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
4417 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
4418 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
4419 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
4420 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
4421 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
4423 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
4427 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
4428 typeinfo and vtables less greedy.
4429 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
4430 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
4431 * src/c++17/Makefile.in: Regenerate.
4432 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
4433 here, and change name of included file.
4434 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
4435 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
4437 * src/filesystem/Makefile.in: Regenerate.
4438 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
4439 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
4440 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
4441 from dg-options and remove dg-require-filesystem-ts.
4442 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
4443 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
4444 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
4445 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
4446 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
4447 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
4448 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
4449 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
4450 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
4451 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
4452 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
4453 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
4454 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
4455 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
4456 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
4457 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
4458 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
4459 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
4460 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
4461 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
4462 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
4464 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
4465 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
4466 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
4467 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
4468 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
4469 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
4470 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
4471 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
4472 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
4473 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
4474 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
4475 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
4477 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
4479 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4481 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
4483 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
4484 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4485 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
4486 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
4487 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
4488 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
4489 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
4490 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
4491 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
4492 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
4494 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
4495 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
4496 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
4497 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
4498 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
4501 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
4502 Check is_trivially_copyable instead of is_scalar.
4503 (variant::emplace<N, Args>(Args&&...)): If construction of the new
4504 contained value can throw and its type is trivially copyable then
4505 construct into a temporary variant and move from it, to provide the
4506 strong exception safety guarantee.
4507 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
4509 * testsuite/20_util/variant/87431.cc: New test.
4510 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
4511 conversion causes valueless state.
4514 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
4515 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
4516 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
4517 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
4518 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
4520 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
4522 * include/bits/fs_fwd.h (__file_clock): Define new clock.
4523 (file_time_type): Redefine in terms of __file_clock.
4524 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
4526 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
4528 (internal_file_lock): New helper type for accessing __file_clock.
4529 (do_copy_file): Use internal_file_lock to convert system time to
4531 (last_write_time(const path&, error_code&)): Likewise.
4532 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
4534 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
4536 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
4537 for const member functions of std::basic_string.
4538 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
4540 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
4541 Make non-standard constructor private.
4542 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
4544 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
4545 explicit instantiations for C++17 as well as earlier dialects.
4546 * src/c++17/Makefile.am: Add new source files.
4547 * src/c++17/Makefile.in: Regenerate.
4548 * src/c++17/cow-string-inst.cc: New file defining explicit
4549 instantiations for basic_string member functions added in C++17.
4550 * src/c++17/string-inst.cc: Likewise.
4552 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
4553 copy/move constructors for old std::basic_string.
4554 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
4555 (basic_string::reference, basic_string::const_reference): Define
4556 as plain references for C++11 and later.
4557 (basic_string::basic_string()): Put constructor body outside
4558 preprocessor conditional groups.
4559 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
4560 instead of copying it.
4561 (basic_string::basic_string(const basic_string&, const _Alloc&)):
4563 (basic_string::basic_string(basic_string&&, const _Alloc&)):
4565 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
4566 cases for old basic_string.
4567 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
4568 allocator-extended constructors unconditionally. Add extra members to
4569 allocator type when using old string ABI.
4570 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
4572 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
4574 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
4575 -fno-inline added to test flags.
4577 * testsuite/21_strings/basic_string/requirements/
4578 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
4580 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
4581 assertion failures with old std::string ABI.
4583 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
4585 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
4586 functions that will only erase elements at the end.
4587 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
4588 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
4589 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
4591 (path::_List::pop_back()): Define.
4592 (path::_List::_M_erase_from(const_iterator)): Define.
4593 (path::operator/=(const path&)): Use pop_back to remove last component
4594 and _M_erase_from to remove multiple components.
4595 (path::_M_append(basic_string_view<value_type>)): Likewise.
4596 (path::operator+=(const path&)): Likewise.
4597 (path::_M_concat(basic_string_view<value_type>)): Likewise.
4598 (path::remove_filename()): Likewise.
4599 (path::lexically_normal()): Use _List::_Impl iterators instead of
4600 path::iterator. Use pop_back to remove components from the end. Clear
4601 trailing filename, instead of using erase(const_iterator) to remove
4602 a non-final component.
4603 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
4605 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
4607 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
4608 incorrect treatment of empty filename after trailing slash.
4609 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
4611 * testsuite/21_strings/basic_string/modifiers/assign/char/
4612 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
4614 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
4615 move_assign_optim.cc: Likewise.
4617 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4618 Jakub Jelinek <jakub@redhat.com>
4621 * include/experimental/memory: Replace UTF-8 quote characters.
4622 * include/std/future: Replace UTF-8 "em dash" characters.
4624 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4627 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
4628 * include/debug/forward_list: Likewise.
4629 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
4631 * include/experimental/chrono: Likewise.
4632 * include/experimental/functional: Likewise.
4633 * include/experimental/ratio: Likewise.
4634 * include/experimental/system_error: Likewise.
4635 * include/experimental/tuple: Likewise.
4636 * include/experimental/type_traits: Likewise.
4637 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
4638 * include/parallel/multiseq_selection.h: Likewise.
4641 * config/abi/pre/gnu.ver: Add missing exports.
4642 * testsuite/22_locale/collate_byname/88681.cc: New test.
4643 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
4644 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
4646 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
4648 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
4649 initializer_list<value_type> and from input iterator ranges.
4650 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
4652 * testsuite/experimental/string_view/element_access/char/empty.cc:
4653 Fix year range in copyright header.
4655 2019-01-02 Joel Brobecker <brobecker@adacore.com>
4657 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
4658 Fix year range in copyright header.
4660 2019-01-01 Jakub Jelinek <jakub@redhat.com>
4662 Update copyright years.
4664 Copyright (C) 2019 Free Software Foundation, Inc.
4666 Copying and distribution of this file, with or without modification,
4667 are permitted in any medium without royalty provided the copyright
4668 notice and this notice are preserved.