1 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
3 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
4 to the Doxygen manual. Avoid a "here" link on the way.
5 Fix another broken link to Doxygen docblocks.
7 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
9 * include/std/bit (__cpp_lib_endian): Define.
10 * include/std/version (__cpp_lib_endian): Define.
11 * testsuite/26_numerics/endian/2.cc: New.
12 * testsuite/26_numerics/endian/3.cc: New.
13 * testsuite/26_numerics/endian/4.cc: New.
15 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
17 * testsuite/util/testsuite_iterators.h
18 (bidirectional_iterator_wrapper): Fix type comment.
19 (random_access_iterator_wrapper): Likewise.
21 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
23 * include/std/bit (endian): Move definition here as per P1612R1.
24 * include/std/type_traits (endian): Remove definition from here.
25 * testsuite/20_util/endian/1.cc: Rename to ...
26 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
28 2019-07-25 Martin Liska <mliska@suse.cz>
29 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
32 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
34 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
35 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
36 * testsuite/ext/new_allocator/check_new.cc: Likewise.
38 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
40 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
41 * testsuite/26_numerics/bit/bit.count/*: Here.
43 * include/std/bit (__rotl, __rotr): Change second parameter from
44 unsigned int to int and handle negative values.
45 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
46 parameter from unsigned int to int. Add nodiscard attribute.
47 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
48 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
50 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
51 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
54 * include/std/bit (__ceil2): Make unrepresentable results undefined,
55 as per P1355R2. Add debug assertion. Perform one left shift, not two,
56 so that out of range values cause undefined behaviour. Ensure that
57 shift will still be undefined if left operand is promoted.
58 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
59 unrepresentable values with checks that they are not core constant
61 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
63 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
65 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
66 sized deallocation size computation.
68 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
70 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
72 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
74 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
75 (~_Temporary_buffer()): Use latter.
76 (_Temporary_buffer(_FIterator, size_type)): Likewise.
78 2019-07-17 Andreas Schwab <schwab@suse.de>
80 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
82 2019-07-16 Jason Merrill <jason@redhat.com>
84 * include/std/memory (uses_allocator_construction_args): Add parens
87 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
89 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
91 * include/experimental/string_view (__detail::__idt): Remove.
92 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
93 Use __type_identity_t instead of __detail::__idt;
94 * include/std/string_view (__detail::__idt): Remove.
95 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
96 Use __type_identity_t instead of __detail::__idt;
97 * include/std/type_traits (__type_identity_t): New alias template.
99 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
100 and floating point atomics.
102 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
104 * doc/xml/manual/configure.xml: Improve documentation of
105 --enable-libstdcxx-time option.
107 * include/bits/atomic_base.h (__atomic_impl): New namespace for
108 wrappers around atomic built-ins.
109 (__atomic_float, __atomic_ref): New class templates for use as base
111 * include/std/atomic (atomic<float>, atomic<double>)
112 (atomic<long double>): New explicit specializations.
113 (atomic_ref): New class template.
114 (__cpp_lib_atomic_ref): Define.
115 * include/std/version (__cpp_lib_atomic_ref): Define.
116 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
117 * testsuite/29_atomics/atomic_float/1.cc: New test.
118 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
119 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
120 * testsuite/29_atomics/atomic_ref/float.cc: New test.
121 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
122 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
123 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
124 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
126 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
128 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
129 throw() with _GLIBCXX_NOTHROW.
130 (__atomic_add_dispatch): Return after performing atomic increment.
132 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
134 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
135 (__exchange_and_add): Replace static specifier with always_inline
137 (__exchange_and_add_single, __atomic_add_single): Likewise.
138 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
139 combine !__gthread_active_p() and !__GTHREADS branches.
141 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
144 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
145 * configure: Regenerate.
146 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
148 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
149 * testsuite/util/testsuite_abi.cc: Add new symbol version.
151 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
153 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
154 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
155 instead of __is_identifier to detect Clang support.
157 2019-07-02 Jim Wilson <jimw@sifive.com>
159 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
161 * configure: Regenerate.
163 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
166 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
167 for the what_arg parameters.
168 (filesystem_error::filesystem_error): Pass system_error::what() to
169 the _Impl constructor.
170 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
171 filesystem_error::what() contains system_error::what().
173 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
175 * include/std/charconv (chars_format): Define bitmask type.
176 * testsuite/20_util/to_chars/chars_format.cc: New test.
178 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
179 * include/std/bit (_If_is_unsigned_integer_type): Remove.
180 (_If_is_unsigned_integer): Use __is_unsigned_integer.
181 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
182 (countl_one(byte), countr_zero(byte), countr_one(byte))
183 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
184 (log2p1(byte)): Remove.
185 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
186 (__detail::__is_int_to_chars_type): Remove.
187 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
188 and __is_unsigned_integer.
189 * include/std/type_traits (__is_one_of): Move here from <charconv>.
190 (__is_signed_integer, __is_unsigned_integer): New helpers.
191 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
193 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
194 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
195 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
196 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
197 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
198 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
199 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
200 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
201 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
202 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
204 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
206 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
209 2019-06-25 Jakub Jelinek <jakub@redhat.com>
211 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
212 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
213 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
214 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
216 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
218 * include/std/numeric (midpoint(T, T)): Change implementation for
219 floating-point types to avoid incorrect rounding of denormals.
220 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
221 rounding with denormals.
222 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
223 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
225 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
227 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
229 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
231 * configure: Regenerate.
233 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
234 Qualify calls to __never_valueless.
236 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
239 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
240 vector<bool> for test.
241 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
243 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
245 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
247 (istream_iterator::_M_read()): Do not check stream state before
248 attempting extraction. Set stream pointer to null when extraction
250 (operator==(const istream_iterator&, const istream_iterator&)): Change
251 to be a hidden friend of istream_iterator.
252 (operator!=(const istream_iterator&, const istream_iterator&)):
254 (ostream_iterator::ostream_iterator()): Add default constructor.
255 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
257 * testsuite/24_iterators/istream_iterator/1.cc: New test.
258 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
259 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
260 constructor taking a string.
261 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
264 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
265 Jonathan Wakely <jwakely@redhat.com>
268 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
269 values of type bool for vector<bool> elements.
270 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
271 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
273 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
275 PR libstdc++/90920 partially revert r263433
276 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
277 (rotate): Remove checks.
278 * testsuite/25_algorithms/rotate/90920.cc: New test.
280 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
281 category used in invocable check.
282 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
283 * testsuite/26_numerics/reduce/2.cc: New test.
285 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
287 * include/bits/algorithmfwd.h: Change title of doc group.
288 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
290 * include/bits/stl_numeric.h: Define doc group and add algos to it.
291 * include/std/numeric (__is_random_access_iter): New internal trait.
292 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
293 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
294 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
295 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
296 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
297 * testsuite/26_numerics/reduce/1.cc: New test.
298 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
299 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
300 * testsuite/26_numerics/transform_reduce/1.cc: New test.
301 * testsuite/util/testsuite_iterators.h (test_container::size()): New
304 * include/c_global/cstddef (std::byte): Perform arithmetic operations
305 in unsigned int to avoid promotion (LWG 2950).
307 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
309 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
312 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
314 PR libstdc++/90281 Fix string conversions for filesystem::path
315 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
316 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
317 __str_codecvt_in_all to fail for partial conversions and throw on
319 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
320 (path::_Cvt<char8_t>): Add explicit specialization.
321 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
323 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
324 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
325 instead of codecvt_utf8. Use __str_codecvt_in_all and
326 __str_codecvt_out_all.
327 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
328 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
329 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
330 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
331 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
332 after converting to UTF-8.
333 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
334 __str_codecvt_in_all.
335 (path::string): Fix initialization of string types with different
337 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
338 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
339 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
341 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
342 return false for partial conversions.
343 * include/experimental/bits/fs_path.h (u8path):
344 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
345 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
346 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
347 instead of codecvt_utf8. Use __str_codecvt_in_all and
348 __str_codecvt_out_all.
349 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
350 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
351 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
352 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
353 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
354 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
355 __str_codecvt_in_all.
356 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
357 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
358 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
359 __str_codecvt_in_all.
360 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
361 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
362 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
363 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
364 strings and with Unicode characters outside the basic multilingual
366 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
367 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
368 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
369 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
370 * testsuite/experimental/filesystem/path/native/string.cc: Test with
371 empty strings and with Unicode characters outside the basic
374 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
375 Jonathan Wakely <jwakely@redhat.com>
377 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
378 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
379 deallocate node if insertion fails.
380 (_Hashtable::_M_insert_multi_node): Likewise.
381 (_Hashtable::_M_reinsert_node): Pass additional key argument.
382 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
383 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
384 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
385 (_Hashtable::extract(const _Key&)): Likewise.
386 (_Hashtable::_M_merge_unique): Pass additional key argument.
387 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
389 (_Hashtable::_M_insert): Likewise.
390 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
391 (_Hashtable_alloc): Add comments to functions with misleading names.
393 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
395 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
397 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
398 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
399 header for std::allocator.
400 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
401 using-declaration for std::size_t.
402 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
404 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
406 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
407 * testsuite/experimental/map/erasure.cc: Include <string> for
409 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
411 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
413 * include/experimental/type_traits (experimental::nonesuch): Use
414 pragma to disable -Wctor-dtor-privacy warnings.
415 * include/std/type_traits (__is_convertible_helper<From, To, false>)
416 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
418 * include/std/version (__cpp_lib_bind_front): Add missing macro.
420 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
422 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
423 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
424 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
425 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
427 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
428 (variant::emplace): Change static_assert messages from "should be"
430 (hash<monostate>::operator()): Remove name of unused parameter.
432 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
435 * include/Makefile.am: Add new <bits/charconv.h> header.
436 * include/Makefile.in: Regenerate.
437 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
438 (to_string(long), to_string(unsigned long), to_string(long long))
439 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
440 * include/bits/charconv.h: New header.
441 (__detail::__to_chars_len): Move here from <charconv>.
442 (__detail::__to_chars_10_impl): New function extracted from
443 __detail::__to_chars_10.
444 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
445 (__to_chars_unsigned_type): New class template that reuses
446 __make_unsigned_selector_base::__select to pick a type.
447 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
448 (__detail::__to_chars_len): Move to new header.
449 (__detail::__to_chars_10): Add inline specifier. Move code doing the
450 output to __detail::__to_chars_10_impl and call that.
451 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
452 * testsuite/21_strings/basic_string/numeric_conversions/char/
453 to_string.cc: Fix reference in comment. Remove unused variable.
454 * testsuite/21_strings/basic_string/numeric_conversions/char/
455 to_string_int.cc: New test.
457 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
459 Fix ConstexprIterator requirements tests - No constexpr algorithms!
460 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
461 Replace copy with hand-rolled loop.
462 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
465 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
467 Test for C++20 p0858 - ConstexprIterator requirements.
468 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
470 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
473 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
475 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
477 * include/bits/c++config: Rename all macros of the form __PSTL* to
479 * include/std/algorithm: Likewise.
480 * include/std/execution: Likewise.
481 * include/std/numeric: Likewise.
482 * include/std/memory: Likewise.
483 * include/pstl/glue_memory_impl.h: Likewise.
484 * include/pstl/numeric_impl.h: Likewise.
485 * include/pstl/glue_memory_defs.h: Likewise.
486 * include/pstl/execution_defs.h: Likewise.
487 * include/pstl/utils.h: Likewise.
488 * include/pstl/algorithm_fwd.h: Likewise.
489 * include/pstl/unseq_backend_simd.h: Likewise.
490 * include/pstl/glue_execution_defs.h: Likewise.
491 * include/pstl/algorithm_impl.h: Likewise.
492 * include/pstl/parallel_impl.h: Likewise.
493 * include/pstl/memory_impl.h: Likewise.
494 * include/pstl/glue_numeric_defs.h: Likewise.
495 * include/pstl/parallel_backend_utils.h: Likewise.
496 * include/pstl/glue_algorithm_defs.h: Likewise.
497 * include/pstl/parallel_backend.h: Likewise.
498 * include/pstl/glue_numeric_impl.h: Likewise.
499 * include/pstl/parallel_backend_tbb.h: Likewise.
500 * include/pstl/numeric_fwd.h: Likewise.
501 * include/pstl/glue_algorithm_impl.h: Likewise.
502 * include/pstl/execution_impl.h: Likewise.
503 * include/pstl/pstl_config.h: Likewise.
504 * testsuite/util/pstl/pstl_test_config.h: Likewise.
505 * testsuite/util/pstl/test_utils.h: Likewise.
506 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
508 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
510 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
512 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
513 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
514 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
515 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
516 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
518 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
519 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
520 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
521 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
522 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
524 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
525 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
526 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
527 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
528 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
530 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
531 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
532 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
534 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
536 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
537 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
538 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
540 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
542 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
544 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
546 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
548 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
550 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
552 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
554 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
556 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
558 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
560 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
562 Rename header guards to be consistent with upstream project's
564 * include/pstl/glue_memory_impl.h: Rename all macros of the form
565 _PSTL_(.*)_H to _PSTL_\U\1_H.
566 * include/pstl/numeric_impl.h: Likewise.
567 * include/pstl/glue_memory_defs.h: Likewise.
568 * include/pstl/execution_defs.h: Likewise.
569 * include/pstl/utils.h: Likewise.
570 * include/pstl/algorithm_fwd.h: Likewise.
571 * include/pstl/unseq_backend_simd.h: Likewise.
572 * include/pstl/glue_execution_defs.h: Likewise.
573 * include/pstl/algorithm_impl.h: Likewise.
574 * include/pstl/parallel_impl.h: Likewise.
575 * include/pstl/memory_impl.h: Likewise.
576 * include/pstl/glue_numeric_defs.h: Likewise.
577 * include/pstl/parallel_backend_utils.h: Likewise.
578 * include/pstl/glue_algorithm_defs.h: Likewise.
579 * include/pstl/parallel_backend.h: Likewise.
580 * include/pstl/glue_numeric_impl.h: Likewise.
581 * include/pstl/parallel_backend_tbb.h: Likewise.
582 * include/pstl/numeric_fwd.h: Likewise.
583 * include/pstl/glue_algorithm_impl.h: Likewise.
584 * include/pstl/execution_impl.h: Likewise.
585 * include/pstl/pstl_config.h: Likewise.
586 * testsuite/util/pstl/pstl_test_config.h: Likewise.
588 Synchronize libstdc++ parallel algorithms with upstream
590 * include/pstl/algorithm_fwd.h: Synchronize with
591 upstream PSTL project.
592 * include/pstl/algorithm_impl.h: Likewise.
593 * include/pstl/execution_defs.h: Likewise.
594 * include/pstl/execution_impl.h: Likewise.
595 * include/pstl/glue_algorithm_impl.h: Likewise.
596 * include/pstl/glue_execution_defs.h: Likewise.
597 * include/pstl/numeric_fwd.h: Likewise.
598 * include/pstl/numeric_impl.h: Likewise.
599 * include/pstl/parallel_backend.h: Likewise.
600 * include/pstl/pstl_config.h: Likewise.
601 * include/pstl/unseq_backend_simd.h: Likewise.
602 * include/pstl/parallel_backend_serial.h: New file.
603 * include/Makefile.am (pstl_headers): Add
604 parallel_backend_serial.h.
605 * include/Makefile.in: Regenerate.
607 Clean up non-conforming names
608 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
609 Uglfiy copy_range1 and copy_range2
610 (__pattern_walk2_n): Rename local n to __n
611 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
612 Rename parameter _T to _Tp.
614 Integrate non-TBB serial backend support
615 * include/bits/c++config: Adjust TBB detection logic to select serial
616 PSTL backend if no TBB present.
617 * testsuite/utils/pstl/test_utils.h: Remove check for
618 _PSTL_USE_PAR_POLICIES
620 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
622 * testsuite/24_iterators/container_access.cc: Move dg-options before
623 dg-do directive so the target check uses the -std option.
626 * configure: Regenerate.
627 * src/Makefile.am (stamp-debug): Also test for missing makefile.
628 * src/Makefile.in: Regenerate.
630 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
632 * include/std/array: Do not include <stdexcept>.
633 * include/std/optional: Include <exception> and
634 <bits/exception_defines.h> instead of <stdexcept>.
635 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
637 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
639 * testsuite/23_containers/map/erasure.cc: Include <string>.
640 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
642 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
643 dg-prune-output for different C++98 diagnostic.
644 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
646 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
648 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
650 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
652 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
654 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
656 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
658 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
660 * testsuite/23_containers/vector/requirements/dr438/
661 constructor_1_neg.cc: Likewise.
662 * testsuite/23_containers/vector/requirements/dr438/
663 constructor_2_neg.cc: Likewise.
664 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
666 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
668 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
669 Do not test allocator rebinding extension for C++2a.
670 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
671 dg-do directive for C++17 and C++2a.
673 * testsuite/23_containers/deque/requirements/explicit_instantiation/
674 1_c++0x.cc: Remove redundant test.
675 * testsuite/23_containers/deque/requirements/explicit_instantiation/
676 2.cc: Use target selector instead of preprocessor condition.
677 * testsuite/23_containers/deque/requirements/explicit_instantiation/
678 3.cc: Do not run test for C++2a.
679 * testsuite/23_containers/forward_list/requirements/
680 explicit_instantiation/3.cc: Likewise.
681 * testsuite/23_containers/forward_list/requirements/
682 explicit_instantiation/5.cc: Do not test allocator rebinding extension
684 * testsuite/23_containers/list/requirements/explicit_instantiation/
685 1_c++0x.cc: Remove redundant test.
686 * testsuite/23_containers/list/requirements/explicit_instantiation/
687 2.cc: Use target selector instead of preprocessor condition.
688 * testsuite/23_containers/list/requirements/explicit_instantiation/
689 3.cc: Do not run test for C++2a.
690 * testsuite/23_containers/list/requirements/explicit_instantiation/
691 5.cc: Do not test allocator rebinding extension for C++2a.
692 * testsuite/23_containers/map/requirements/explicit_instantiation/
693 1_c++0x.cc: Remove redundant test.
694 * testsuite/23_containers/map/requirements/explicit_instantiation/
695 2.cc: Adjust comment.
696 * testsuite/23_containers/map/requirements/explicit_instantiation/
697 3.cc: Do not run test for C++2a.
698 * testsuite/23_containers/map/requirements/explicit_instantiation/
699 5.cc: Do not test allocator rebinding extension for C++2a.
700 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
701 1_c++0x.cc: Remove redundant test.
702 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
703 3.cc: Do not run test for C++2a.
704 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
705 5.cc: Do not test allocator rebinding extension for C++2a.
706 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
707 3.cc: Do not run test for C++2a.
708 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
709 5.cc: Do not test allocator rebinding extension for C++2a.
710 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
711 Do not run test for C++2a.
712 * testsuite/23_containers/set/requirements/explicit_instantiation/
713 1_c++0x.cc: Remove redundant test.
714 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
715 Do not test allocator rebinding extension for C++2a.
716 * testsuite/23_containers/unordered_map/requirements/
717 explicit_instantiation/3.cc: Likewise.
718 * testsuite/23_containers/unordered_map/requirements/
719 explicit_instantiation/5.cc: Do not test allocator rebinding extension
721 * testsuite/23_containers/unordered_multimap/requirements/
722 explicit_instantiation/3.cc: Do not run test for C++2a.
723 * testsuite/23_containers/unordered_multimap/requirements/
724 explicit_instantiation/5.cc: Do not test allocator rebinding extension
726 * testsuite/23_containers/unordered_multiset/requirements/
727 explicit_instantiation/3.cc: Do not run test for C++2a.
728 * testsuite/23_containers/unordered_multiset/requirements/
729 explicit_instantiation/5.cc: Do not test allocator rebinding extension
731 * testsuite/23_containers/unordered_set/requirements/
732 explicit_instantiation/3.cc: Do not run test for C++2a.
733 * testsuite/23_containers/unordered_set/requirements/
734 explicit_instantiation/5.cc: Do not test allocator rebinding extension
736 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
737 2.cc: Remove redundant test.
738 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
739 3.cc: Do not run test for C++2a.
740 * testsuite/23_containers/vector/requirements/explicit_instantiation/
743 * include/std/type_traits (is_empty, is_polymorphic, is_final)
744 (is_abstract, is_aggregate): Remove static_assert.
745 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
747 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
748 missing -std=gnu++17 option.
749 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
750 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
751 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
754 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
755 * testsuite/18_support/set_unexpected.cc: Likewise.
756 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
758 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
759 function to be valid in C++11.
760 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
761 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
762 include Library Fundamentals or Networking headers in C++11 mode.
763 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
765 * include/std/tuple (_TC): Replace with _TupleConstraints.
766 (_TupleConstraints): New helper for SFINAE constraints, with more
767 expressive member functions to reduce duplication when used.
768 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
769 (tuple::_TCC): Replace dummy type parameter with bool non-type
770 parameter that can be used to check the pack size.
771 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
772 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
773 checking constraints in constructors.
774 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
776 (tuple::tuple): Use new helpers to reduce repitition in constraints.
777 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
778 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
779 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
780 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
781 constraints in constructors.
782 (tuple::__is_alloc_arg()): New SFINAE helpers.
783 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
785 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
786 * testsuite/20_util/tuple/cons/90700.cc: New test.
787 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
788 to meet new constraint on allocator-extended default constructor.
790 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
792 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
793 * include/bits/stl_multimap.h (multimap): Likewise.
795 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
797 Rename variables and cleanup comments.
798 * include/bits/hashtable_policy.h
799 * include/bits/hashtable.h
801 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
803 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
804 Fix bgcolor for P0340R3.
805 * doc/html/*: Regenerate.
808 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
809 <experimental/memory_resource>.
810 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
811 P0339R6, P0340R3, P1164R1 and P1357R1.
812 * doc/html/*: Regenerate.
814 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
815 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
816 allocator::value_type assertion for C++2a.
817 * include/bits/hashtable.h: Likewise.
818 * include/bits/stl_deque.h: Likewise.
819 * include/bits/stl_list.h: Likewise.
820 * include/bits/stl_map.h: Likewise.
821 * include/bits/stl_multimap.h: Likewise.
822 * include/bits/stl_multiset.h: Likewise.
823 * include/bits/stl_set.h: Likewise.
824 * include/bits/stl_vector.h: Likewise.
825 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
826 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
827 * testsuite/23_containers/list/48101-3_neg.cc: New test.
828 * testsuite/23_containers/map/48101-3_neg.cc: New test.
829 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
830 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
831 * testsuite/23_containers/set/48101-3_neg.cc: New test.
832 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
833 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
834 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
835 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
836 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
838 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
840 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
842 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
844 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
846 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
848 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
850 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
852 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
855 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
856 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
857 * libsupc++/eh_term_handler.h: New header defining
858 _GLIBCXX_DEFAULT_TERM_HANDLER.
859 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
860 (set_terminate): Restore default handler when argument is null.
861 (set_unexpected): Likewise.
862 * testsuite/18_support/set_terminate.cc: New test.
863 * testsuite/18_support/set_unexpected.cc: New test.
865 * include/backward/hashtable.h (size_t, ptrdiff_t)
866 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
867 (distance, vector, pair, __iterator_category): Remove
868 using-declarations that add these names to namespace __gnu_cxx.
869 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
870 * include/ext/debug_allocator.h (size_t): Likewise.
871 * include/ext/functional (size_t, unary_function, binary_function)
872 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
874 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
875 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
876 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
877 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
878 * include/ext/numeric (iota): Fix outdated comment.
879 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
880 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
881 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
882 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
883 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
885 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
886 (allocator, __true_type, __false_type): Likewise.
888 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
891 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
892 New helpers for checking preconditions in traits.
893 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
894 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
895 (is_destructible, is_nothrow_destructible, is_constructible)
896 (is_default_constructible, is_copy_constructible)
897 (is_move_constructible, is_nothrow_default_constructible)
898 (is_nothrow_constructible, is_nothrow_copy_constructible)
899 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
900 (is_nothrow_assignable, is_nothrow_copy_assignable)
901 (is_nothrow_move_assignable, is_trivially_constructible)
902 (is_trivially_copy_constructible, is_trivially_move_constructible)
903 is_trivially_assignable, is_trivially_copy_assignable)
904 (is_trivially_move_assignable, is_trivially_destructible)
905 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
906 (is_invocable_r, is_nothrow_invocable)
907 (has_unique_object_representations, is_aggregate): Add static_asserts
908 to make sure that type traits are not misused with incomplete types.
909 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
910 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
911 base characteristics without assertions that can be reused in other
913 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
914 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
916 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
917 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
918 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
919 * testsuite/20_util/is_class/value.cc: Check incomplete type.
920 * testsuite/20_util/is_function/value.cc: Likewise.
921 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
922 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
924 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
925 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
926 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
927 * testsuite/20_util/is_union/value.cc: Likewise.
928 * testsuite/20_util/is_void/value.cc: Likewise.
929 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
931 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
933 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
934 Add new private member function.
935 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
936 (random_device::_M_init_pretr1(const string&)): Call new private
937 member with string data.
938 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
940 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
941 test using COW strings.
942 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
943 a value from the device.
944 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
945 Fix typo in token string.
947 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
949 LWG2788 basic_string spurious use of a default constructible allocator
950 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
951 (basic_string::_M_replace_dispatch): Construct temporary string with
952 the current allocator.
953 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
954 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
956 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
958 * doc/xml/manual/diagnostics.xml: Update list of headers that define
960 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
961 section about new/delete overloads. Improve section on verbose
963 * doc/html/*: Regenerate.
965 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
966 P0811R3. Change status of P1353R0.
967 * doc/html/*: Regenerate.
969 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
970 documentation of implementation-defined types for [thread.req.native].
971 * doc/xml/manual/status_cxx2017.xml: Update documentation of
972 implementation-defined strings for [variant.bad.access]. Fix typo in
973 documentation of implementation-defined support for [fs.conform.9945].
974 * doc/html/*: Regenerate.
976 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
979 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
980 that fails on mingw-w64.
983 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
984 (status(const path&, error_code&)): Use parent_path() to remove
986 (symlink_status(const path&, error_code&)): Duplicate workaround for
987 bug in _wstat for paths with trailing slash.
988 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
990 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
991 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
993 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
994 once instead of building it iteratively.
996 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
998 PR libstdc++/85494 use rdseed and rand_s in std::random_device
999 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
1000 the assembler supports rdseed.
1001 * config.h.in: Regenerate.
1002 * configure: Regenerate.
1003 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
1004 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
1005 * doc/html/*: Regenerate.
1006 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
1007 * include/bits/random.h (random_device::random_device()): Always call
1008 _M_init rather than _M_init_pretr1.
1009 (random_device::random_device(const string&)): Likewise.
1010 (random_device::operator()()): Always call _M_getval().
1011 (random_device::_M_file): Replace first member of union with an
1012 anonymous struct, with _M_file as its first member.
1013 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
1014 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
1015 (USE_MT19937): Define if none of the above are defined.
1016 (USE_POSIX_FILE_IO): Define.
1017 (_M_strtoul): Remove.
1018 [USE_RDSEED] (__x86_rdseed): Define new function.
1019 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
1020 (random_device::_M_init(const string&)): Initialize new union members.
1021 Add support for "rdseed" and "rand_s" tokens. Decide what the
1022 "default" token does according to which USE_* macros are defined.
1023 [USE_POSIX_FILE_IO]: Store a file descriptor.
1024 [USE_MT19937]: Forward to _M_init_pretr1 instead.
1025 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
1026 code from _M_strtoul.
1027 [!USE_MT19937]: Call _M_init, transforming the old default token or
1028 numeric tokens to "default".
1029 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
1030 (random_device::_M_getval()): Use new union members to obtain a
1031 random number from the stored function pointer or file descriptor.
1032 [USE_MT19937]: Obtain a value from the mt19937 engine.
1033 (random_device::_M_getval_pretr1()): Call _M_getval().
1034 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
1036 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
1037 * testsuite/26_numerics/random/random_device/85494.cc: New test.
1039 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
1042 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
1043 _M_split_cmpts() for a path with multiple components.
1044 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
1045 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
1046 components and reserve space in vector. Return early when there is
1048 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
1049 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
1051 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
1052 form of std::equals for C++11 compatibility.
1054 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
1056 * doc/xml/manual/appendix_contributing.xml: Update pointer to
1057 C++ standard at ansi.org.
1059 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
1061 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
1062 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
1065 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
1066 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
1068 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
1070 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
1072 * testsuite/20_util/function_objects/invoke/3.cc: New test.
1073 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
1074 "compile" test to "run".
1076 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
1077 * doc/html/*: Regenerate.
1078 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
1079 rvalue aliasing constructor.
1080 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
1081 (reinterpret_pointer_cast): Add overloads taking rvalues.
1082 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
1083 Add rvalue aliasing constructor.
1084 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
1085 "run" and check return values as well as types.
1086 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
1087 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
1088 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
1089 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
1092 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
1093 * doc/xml/manual/intro.xml: Likewise.
1094 * include/std/future (__create_task_state): Add default arguments
1095 to make providing an allocator optional.
1096 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
1097 instead of delegating to another constructor.
1098 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
1099 define allocator-extended constructors for C++17 and later.
1100 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
1102 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1103 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1104 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1106 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
1108 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
1109 Don't run the libstdc++/83237 part on simulator targets.
1111 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
1113 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
1115 * doc/html/*: Regenerate.
1117 * include/experimental/any (__any_caster): Use RTTI if comparing
1118 addresses fails, to support non-unique addresses in shared libraries.
1119 * include/std/any (__any_caster): Likewise.
1122 * include/experimental/any (__any_caster): Constrain to only be
1123 callable for object types. Use remove_cv_t instead of decay_t.
1124 If the type decays or isn't copy constructible, compare the manager
1125 function to a dummy specialization.
1126 (__any_caster): Add overload constrained for non-object types.
1127 (any::_Manager_internal<_Op>): Add dummy specialization.
1128 * testsuite/experimental/any/misc/any_cast.cc: Test function types
1131 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
1134 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
1135 reversed arguments to uninitialized_copy_n.
1136 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
1137 is unchanged by copy assignment.
1138 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
1139 compare path components.
1142 * include/experimental/memory_resource: Add system header pragma and
1143 do not define anything unless compiled as C++14 or later.
1144 (__resource_adaptor_common::__guaranteed_alignment): Remove.
1145 (__resource_adaptor_imp::do_allocate): If the requested alignment
1146 is a fundamental alignment then either allocate directly from _M_alloc
1147 or call the new _M_allocate function.
1148 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
1149 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
1150 of the allocator rebound to a POD type with the specified alignment.
1151 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
1152 * testsuite/experimental/memory_resource/new_delete_resource.cc:
1153 Adjust expected allocation sizes.
1154 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
1155 xfail for Solaris x86.
1157 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
1159 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
1160 * include/pstl/execution_defs.h (__enable_if_execution_policy):
1161 Use std::__remove_cvref_t when building with GCC.
1163 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
1166 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1167 Use "additional_flags" to pass -ltbb to v3_target_compile command.
1168 Use check_v3_target_prop_cached to cache the result of the test.
1170 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
1172 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
1175 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1176 Changed v3_target_compile check from preprocess to executable.
1177 Added "-ltbb" to v3_target_compile flags.
1179 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
1181 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1182 Add check for Thread Building Blocks 2018 or later.
1184 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1186 * testsuite/experimental/names.cc: Only include Networking TS headers
1187 on targets with the necessary Gthreads support.
1189 2019-05-20 Marek Polacek <polacek@redhat.com>
1191 CWG 2094 - volatile scalars are trivially copyable.
1193 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
1194 result for volatile int.
1196 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1198 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
1199 * testsuite/experimental/names.cc: Include <experimental/filesystem>
1202 PR c++/90532 Ensure __is_constructible(T[]) is false
1203 * include/std/type_traits (__do_is_default_constructible_impl)
1204 (__is_default_constructible_atom, __is_default_constructible_safe):
1206 (is_default_constructible): Use is_constructible.
1207 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
1208 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
1209 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
1210 * testsuite/20_util/is_trivially_default_constructible/value.cc:
1213 2019-05-20 Pádraig Brady <pbrady@fb.com>
1215 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
1216 to the deallocator with -fsized-deallocation.
1218 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1220 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
1221 test by passing correct alignment to deallocate function.
1223 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
1226 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
1227 Raise exception if unique_ptr tuple member has unknown structure.
1228 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
1229 Adjust worker to support new __uniq_ptr_data base class. Do not
1230 assume field called _M_head_impl is the first tuple element.
1232 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
1234 * include/bits/stl_deque.h
1235 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
1236 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
1237 (_Deque_base::_Deque_impl_data): New.
1238 (_Deque_base::_Deque_impl): Inherit latter.
1239 (_Deque_base::_Deque_impl::_M_swap_data): Move...
1240 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
1241 (_Deque_base::_Deque_impl()): Add noexcept qualification.
1242 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
1243 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
1244 (deque<>::deque()): Default.
1245 (deque<>::deque(deque&&)): Default.
1246 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
1247 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
1248 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
1249 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
1250 _M_range_initialize.
1251 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
1252 (deque<>::resize(size_type, const value_type&)): Share a single
1254 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
1255 _M_range_insert_aux.
1256 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
1257 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
1258 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
1259 * testsuite/23_containers/deque/allocator/default_init.cc: New.
1261 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
1264 * include/std/variant (holds_alternative, get, get_if): Improve
1265 static assertion messages.
1266 (bad_variant_access::bad_variant_access()): Change default message.
1267 (__throw_bad_variant_access(bool)): New overload.
1268 (get): Use new overload.
1269 (visit, visit<R>): Improve exception message.
1271 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
1272 targets. Add more cases from P0608R3.
1273 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
1275 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
1276 * include/experimental/type_traits (is_detected_exact)
1277 (is_detected_exact_v): Likewise.
1278 * include/pstl/execution_defs.h (is_execution_policy)
1279 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
1280 * include/pstl/execution_impl.h (__policy_traits): Likewise.
1281 * testsuite/17_intro/names.cc: Check for more non-reserved names.
1282 * testsuite/experimental/names.cc: New test.
1285 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
1286 assertions from the destructor.
1287 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
1288 Move static_assert for hash function to here.
1289 (_Hash_table_base::_M_equals): Move static_assert for equality
1291 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
1293 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
1294 the value directly instead of calling _S_value.
1295 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
1296 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
1297 _S_key(_Const_Link_type).
1298 * testsuite/23_containers/set/85965.cc: Check construction,
1299 destruction, assignment and size() do not trigger the assertions.
1300 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
1301 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
1303 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
1304 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
1305 * testsuite/23_containers/set/48101_neg.cc: Likewise.
1306 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
1307 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
1308 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
1309 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
1311 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
1312 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
1315 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
1317 * doc/html/*: Regenerate.
1318 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
1319 of decay_t (P0777R1).
1321 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
1323 Move from state of allocators (LWG2593)
1324 * include/bits/stl_deque.h
1325 (_Deque_base(_Deque_base&&, false_type)): Remove.
1326 (_Deque_base(_Deque_base&&, true_type)): Remove.
1327 (_Deque_base(_Deque_base&&)): Adapt.
1328 (_Deque_base::_M_move_impl()): Remove.
1329 * testsuite/util/testsuite_allocator.h
1330 (propagating_allocator(propagating_allocator&&)): Preserve move from
1332 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
1334 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
1336 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
1337 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
1338 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
1340 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
1342 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
1343 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
1345 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
1347 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
1349 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
1351 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
1353 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
1355 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
1357 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
1360 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
1362 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
1363 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
1365 * include/std/variant (__overload_set): Remove.
1367 (_Build_FUN): New class template to define a single FUN overload,
1368 with specializations to prevent unwanted conversions, as per P0608R3.
1369 (_Build_FUNs): New class template to build an overload set of FUN.
1370 (_FUN_type): New alias template to perform overload resolution.
1371 (__accepted_type): Use integer_constant base for failure case. Use
1372 _FUN_type for successful case.
1373 (variant::__accepted_index): Use _Tp instead of _Tp&&.
1374 (variant::variant(_Tp&&)): Likewise.
1375 (variant::operator=(_Tp&&)): Likewise.
1377 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
1378 Replace raw visitation with a runtime check for the valueless state
1379 and a non-raw visitor.
1380 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
1381 (variant::index()): Remove branch.
1382 (variant::swap(variant&)): Use valueless_by_exception() instead of
1383 comparing the index to variant_npos, and add likelihood attribute.
1385 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
1386 (_Hashtable_base::_Equal_hash_code): Define new class template.
1387 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
1390 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
1391 Replace with _M_get non-static member function.
1392 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
1394 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
1395 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
1397 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
1398 _S_get accessors for members in EBO helpers.
1399 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
1400 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
1402 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
1404 (_Hashtable_base::_M_eq()): Remove non-const overload.
1406 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
1408 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
1410 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1412 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
1415 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1417 * config/os/solaris/solaris2.10: Move to ...
1418 * config/os/solaris: ... this.
1419 * configure.host (os_include_dir): Adapt.
1420 (abi_baseline_pair): Remove Solaris 10 handling.
1421 * config/abi/post/i386-solaris2.10: Remove.
1422 * config/abi/post/sparc-solaris2.10: Remove.
1423 * config/abi/post/i386-solaris2.11: Rename to ...
1424 * config/abi/post/i386-solaris: ... this.
1425 * config/abi/post/sparc-solaris2.11: Rename to ...
1426 * config/abi/post/sparc-solaris: ... this.
1428 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
1431 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
1434 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1436 * include/std/variant (__visit_with_index): Remove typedef.
1437 (__deduce_visit_result): New tag type.
1438 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
1439 visitation of possibly-valueless variants, forwarding to __do_visit
1440 with the relevant tag type.
1441 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
1442 and make lambda return void.
1443 (__variant_construct): Likewise.
1444 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
1445 __raw_idx_visit and make lambda return void.
1446 (_Multi_array::__untag_result): Add metafunction to check the function
1447 pointer type for a tag type that dictates the kind of visitation.
1448 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
1449 Use decltype(auto) instead of tagged function pointer type.
1450 (__gen_vtable_impl): Remove bool non-type parameter and unused
1451 _Variant_tuple parameter.
1452 (__gen_vtable_impl::__visit_invoke_impl): Remove.
1453 (__gen_vtable_impl::__do_visit_invoke): Remove.
1454 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
1455 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
1456 for the visit<R> case, rather than dispatching to separate functions.
1457 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
1459 (variant::swap): Likewise.
1460 (__do_visit): Replace two non-type template parameters with a single
1461 type parameter, so that the caller must specify the visitor's return
1462 type (or one of the tag types).
1463 (visit): Deduce a return type from the visitor and use the
1464 __deduce_visit_result tag to enforce that all overloads return the
1466 (visit<R>): Call __do_visit<R> with explicit result type.
1467 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
1470 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1472 nonesuch is insufficiently useless (lwg2996)
1473 * include/std/type_traits (struct __nonesuch): Added private base
1474 class to make __nonesuch not an aggregate and removed deleted default
1476 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
1477 (operator=(const pair&)): Use __nonesuch instead of
1478 __nonesuch_no_braces.
1479 (operator=(pair&&)): Likewise
1480 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
1481 of __nonesuch_no_braces.
1482 (operator=(tuple&&)): Likewise
1483 * include/experimental/type_traits (struct nonesuch): Added private
1484 base class to make nonesuch not an aggregate and removed deleted
1485 default constructor.
1486 * testsuite/20_util/nonesuch/nonesuch.cc: New.
1487 * testsuite/experimental/type_traits/nonesuch.cc: New.
1489 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1491 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
1492 (_Function_handler): Remove partial specializations for void return
1493 types and pointers to member.
1494 (_Function_handler::_M_manager): Adapt to removal of
1495 _Simple_type_wrapper.
1496 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
1497 * include/std/functional (_Bind_result::__enable_if_void)
1498 (_Bind_result::__disable_if_void): Remove sfinae helpers.
1499 (_Bind_result::__call): Use __invoke_r and remove overloads for void
1501 * include/std/future (__future_base::_Task_state::_M_run)
1502 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
1503 change return type of lambda expressions.
1505 * include/bits/invoke.h (__invoke_r): Define new function implementing
1506 the INVOKE<R> pseudo-function.
1507 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
1508 * testsuite/20_util/function_objects/invoke/2.cc: New test.
1510 * include/std/type_traits (__is_nt_convertible_helper): Define it
1511 unconditionally, not only for C++20.
1512 (__is_nothrow_convertible): Define internal trait for use in C++11.
1513 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
1514 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
1515 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
1516 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
1517 that has nothrow explicit conversion but potentially-throwing implicit
1519 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
1520 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
1521 function to only consider implicit conversions.
1522 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
1524 * include/std/iterator: Include <iosfwd> instead of <istream> and
1527 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
1528 Remove unused, non-standard function.
1530 * include/bits/regex.h (match_results::max_size()): Adjust return
1531 value to account for prefix/suffix/unmatched subs.
1532 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
1533 reset the contained sub matches.
1534 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
1535 function to set result state following a failed match.
1536 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
1537 sub_match states after _M_resize. Use _M_establish_failed_match.
1540 * include/std/thread (thread::_State_impl, thread::_S_make_state):
1541 Replace single _Callable parameter with variadic _Args pack, to
1542 forward them directly to the tuple of decayed copies.
1543 * testsuite/30_threads/thread/cons/69724.cc: New test.
1545 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
1547 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
1548 * include/bits/basic_string.h: (operator=(const basic_string&):
1549 Move allocator decision to assign.
1550 (assign(const basic_string&)): Move allocator decision here.
1551 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
1553 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
1556 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
1558 * testsuite/util/testsuite_allocator.h (memory_resource)
1559 (default_resource_mgr): Fix indentation.
1561 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
1562 Use operator-> to access raw pointer member.
1563 * testsuite/23_containers/vector/59829.cc: Likewise.
1564 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
1565 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
1566 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
1568 (PointerBase, PointerBase_void): Derive from NullablePointer and use
1569 its constructors and equality operators. Change converting
1570 constructors to use operator-> to access private member of the other
1572 (PointerBase_void::operator->()): Add, for access to private member.
1573 (operator-(PointerBase, PointerBase)): Change to hidden friend.
1574 (operator==(PointerBase, PointerBase)): Remove.
1575 (operator!=(PointerBase, PointerBase)): Remove.
1577 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
1578 not assume field called _M_head_impl is the first tuple element.
1579 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
1580 implementation more accurate.
1581 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
1582 empty pointer type and non-empty deleter.
1584 LWG 2899 - Make is_move_constructible correct for unique_ptr
1585 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
1586 move assignment operator.
1587 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
1588 (__uniq_ptr_data): New class template with conditionally deleted
1590 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
1591 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
1592 constructor and move assignment operator as defaulted.
1593 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
1594 __uniq_ptr_impl::release().
1595 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
1596 to __uniq_ptr_impl::reset(pointer).
1597 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
1598 Check for new __uniq_ptr_data type.
1599 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
1601 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1603 PR libstdc++/90454.cc path construction from void*
1604 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
1605 pointers to void are rejected as well as void.
1606 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
1607 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
1609 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
1611 * doc/xml/manual/policy_data_structures.xml: Comment out stray
1612 <remark> elements. Fix formatting of bibliography references.
1614 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
1616 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
1618 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
1620 Remove Profile Mode, deprecated since 7.1.0
1621 * doc/Makefile.am: Remove XML file for profile mode docs.
1622 * doc/Makefile.in: Regenerate.
1623 * doc/xml/authors.xml: Remove authors of profile mode docs.
1624 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
1626 * doc/xml/manual/debug.xml: Likewise.
1627 * doc/xml/manual/evolution.xml: Document removal of profile mode.
1628 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
1629 * doc/xml/manual/spine.xml: Remove profile mode author credit.
1630 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
1632 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
1634 * doc/html/*: Regenerate.
1635 * include/Makefile.am: Remove profile mode headers.
1636 * include/Makefile.in: Regenerate.
1637 * include/bits/c++config (std::__profile): Remove namespace.
1638 [_GLIBCXX_PROFILE]: Remove checks for macro.
1639 * include/profile/array: Remove.
1640 * include/profile/base.h: Remove.
1641 * include/profile/bitset: Remove.
1642 * include/profile/deque: Remove.
1643 * include/profile/forward_list: Remove.
1644 * include/profile/impl/profiler.h: Remove.
1645 * include/profile/impl/profiler_algos.h: Remove.
1646 * include/profile/impl/profiler_container_size.h: Remove.
1647 * include/profile/impl/profiler_hash_func.h: Remove.
1648 * include/profile/impl/profiler_hashtable_size.h: Remove.
1649 * include/profile/impl/profiler_list_to_slist.h: Remove.
1650 * include/profile/impl/profiler_list_to_vector.h: Remove.
1651 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
1652 * include/profile/impl/profiler_node.h: Remove.
1653 * include/profile/impl/profiler_state.h: Remove.
1654 * include/profile/impl/profiler_trace.h: Remove.
1655 * include/profile/impl/profiler_vector_size.h: Remove.
1656 * include/profile/impl/profiler_vector_to_list.h: Remove.
1657 * include/profile/iterator_tracker.h: Remove.
1658 * include/profile/list: Remove.
1659 * include/profile/map: Remove.
1660 * include/profile/map.h: Remove.
1661 * include/profile/multimap.h: Remove.
1662 * include/profile/multiset.h: Remove.
1663 * include/profile/ordered_base.h: Remove.
1664 * include/profile/set: Remove.
1665 * include/profile/set.h: Remove.
1666 * include/profile/unordered_base.h: Remove.
1667 * include/profile/unordered_map: Remove.
1668 * include/profile/unordered_set: Remove.
1669 * include/profile/vector: Remove.
1670 * scripts/run_doxygen: Do not process profile mode headers.
1671 * testsuite/23_containers/array/element_access/60497.cc: Don't use
1673 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
1674 Remove dg-skip-if for profile mode.
1675 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
1676 preprocessor check for profile mode.
1677 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
1678 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
1680 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
1682 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
1683 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
1684 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
1685 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
1686 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
1688 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
1690 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
1692 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
1694 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
1695 preprocessor check for profile mode.
1696 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
1698 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
1699 Remove dg-skip-if for profile mode.
1700 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
1701 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
1702 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
1703 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
1704 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
1705 * testsuite/Makefile.am: Remove profile_flags variable and
1706 * testsuite/Makefile.am: Remove profile_flags variable and
1707 check-profile target.
1708 * testsuite/Makefile.in: Regenerate.
1709 * testsuite/ext/profile/all.cc: Remove.
1710 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
1711 * testsuite/ext/profile/profiler_algos.cc: Remove.
1712 * testsuite/ext/profile/replace_new.cc: Remove.
1713 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
1714 preprocessor check for profile mode.
1715 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1716 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
1717 (check_v3_target_normal_mode): Do not check for profile mode macro.
1718 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
1720 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
1721 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1722 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1723 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
1724 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
1725 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1726 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1727 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1728 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1729 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1731 Remove array_allocator extension, deprecated since 4.9.0
1732 * doc/xml/manual/allocator.xml: Remove documentation for
1734 * doc/xml/manual/evolution.xml: Document array_allocator removal.
1735 * doc/xml/manual/using.xml: Remove header from documentation.
1736 * include/Makefile.am: Remove <ext/array_allocator.h> header.
1737 * include/Makefile.in: Regenerate.
1738 * include/ext/array_allocator.h: Remove.
1739 * include/precompiled/extc++.h: Do not include removed header.
1740 * testsuite/ext/array_allocator/1.cc: Remove.
1741 * testsuite/ext/array_allocator/2.cc: Remove.
1742 * testsuite/ext/array_allocator/26875.cc: Remove.
1743 * testsuite/ext/array_allocator/3.cc: Remove.
1744 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
1745 * testsuite/ext/array_allocator/check_delete.cc: Remove.
1746 * testsuite/ext/array_allocator/check_new.cc: Remove.
1747 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
1748 * testsuite/ext/headers.cc: Do not include removed header.
1750 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
1752 * include/bits/stl_bvector.h
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 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1763 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1765 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
1767 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
1769 (_Bit_iterator::operator-(difference_type)): Likewise.
1770 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
1771 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
1773 (_Bit_const_iterator::operator-(difference_type)): Likewise.
1774 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
1776 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
1779 * testsuite/util/thread/all.h: Do not use remove_pointer for
1780 std::thread::native_handle_type.
1783 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
1784 (_Variant_storage<true, Types...>::_M_reset()))
1785 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
1786 (__get_storage): Likewise.
1787 (variant): Add noexcept to friend declarations for __get and
1791 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
1792 Use _Require for constraints.
1793 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
1795 (__uniq_ptr_hash): New base class with conditionally-disabled call
1797 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
1798 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
1799 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
1801 * include/bits/shared_ptr.h: Improve docs.
1802 * include/bits/shared_ptr_base.h: Likewise.
1803 * include/bits/stl_uninitialized.h: Likewise.
1804 * include/bits/unique_ptr.h: Likewise.
1805 * libsupc++/new: Likewise.
1807 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
1809 * include/bits/stl_deque.h
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 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1818 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1820 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
1822 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
1824 (_Deque_iterator<>::operator-(difference_type)): Likewise.
1826 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
1829 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
1830 (test01): Reserve for number of insertions to avoid rehash during test.
1831 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1833 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
1838 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
1840 * include/experimental/bits/fs_path.h: Improve docs.
1841 * include/experimental/bits/net.h: Fix wrong header name in comment.
1842 Do not document implementation details.
1843 * include/experimental/netfwd: Fix doxygen grouping.
1845 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1847 * include/bits/stl_pair.h: Improve docs.
1848 * include/std/tuple: Likewise.
1850 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
1852 * include/std/chrono: Improve docs.
1853 * include/std/ratio: Do not document implementation details.
1854 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
1856 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1859 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
1860 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
1861 (__duration_common_type): New helper.
1862 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
1863 __duration_common_type.
1864 (__timepoint_common_type_wrapper): Replace with ...
1865 (__timepoint_common_type): New helper.
1866 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
1867 Use __time_point_common_type.
1868 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
1869 (__common_type_impl): If either argument is transformed by decay,
1870 use the common_type of the decayed types.
1871 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
1872 decayed, use __do_common_type_impl to get the common_type.
1873 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
1874 (__do_member_type_wrapper, __member_type_wrapper)
1875 (__expanded_common_type_wrapper): Remove.
1876 (__common_type_pack, __common_type_fold): New helpers.
1877 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
1878 __member_type_wrapper and __expanded_common_type_wrapper.
1879 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
1880 Test zero-length template argument list.
1881 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
1882 Test single argument cases and argument types that should decay.
1883 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
1884 Adjust expected error.
1885 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
1887 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1888 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1889 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1891 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
1893 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
1895 Make allocator propagation more consistent for
1896 operator+(basic_string) (P1165R1)
1897 * include/bits/basic_string.h
1898 (operator+(basic_string&&, basic_string&&): Changed resulting
1899 allocator to always be the one from the first parameter.
1900 * include/bits/basic_string.tcc
1901 (operator+(const _CharT*, const basic_string&)): Changed
1902 resulting allocator to be SOCCC on the second parameter's allocator.
1903 (operator+(_CharT, const basic_string&)): Likewise.
1904 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
1906 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
1909 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
1911 * include/bits/regex.h: Improve docs.
1912 * include/bits/regex.tcc: Do not document implementation details.
1914 * testsuite/19_diagnostics/error_code/hash.cc: New test.
1916 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
1918 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
1919 Add type printer for container types in std::__debug namespace.
1920 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
1921 (gdb-tests): Use distinct parameters for the type of test and use of
1923 (gdb-test): Check for regex test even if 'whatis' test.
1924 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
1926 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
1927 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
1928 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
1929 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
1930 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
1931 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
1932 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
1934 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
1936 * include/std/system_error (error_category): Fix comment.
1939 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
1940 argument is an empty path.
1941 (absolute(const path&, error_code&)): Use invalid_argument as error
1942 code instead of no_such_file_or_directory.
1943 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
1944 of non-existent paths and empty paths with both overloads of absolute.
1946 * include/std/system_error (error_category, error_code)
1947 (error_condition): Improve docs.
1948 * libsupc++/exception: Add missing @addtogroup Doxygen command.
1949 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
1950 to class documentation. Suppress documentation for implementation
1952 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
1953 Suppress documentation for implementation details.
1955 * include/std/system_error (error_code): Remove friend declaration
1956 for hash<error_code>.
1957 (hash<error_code>::operator()): Use public member functions to access
1959 (hash<error_condition>::operator()): Use address of category, not
1960 its object representation.
1961 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
1962 Use public member functions to access value and category.
1963 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
1965 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
1967 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
1968 * include/bits/hashtable_policy.h
1969 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
1970 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
1971 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
1972 smaller than input value rather than always greater. Preserve
1973 _M_next_resize if called with 0 input. Use __builtin_floorl.
1974 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
1975 elements + number of insertions is greater than _M_next_resize. Start
1976 with 11 buckets if not told otherwise. Use __builtin_floorl.
1977 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
1978 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1979 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
1980 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
1981 told otherwise. Use __builtin_floorl.
1982 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
1983 to also validate _Power2_rehash_policy.
1984 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
1987 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
1990 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
1994 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
1995 overflow warning with -Wpedantic -Wsystem-headers.
1997 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
2000 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
2001 * include/bits/move.h (swap): Remove extra parentheses.
2003 * include/experimental/bits/lfts_config.h: Improve doc markup.
2004 * include/experimental/optional: Improve docs.
2005 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
2006 (__constexpr_addressof): Remove.
2007 (optional::operator->()): Use std::__addressof().
2008 * include/std/optional (optional::operator->()): Adjust whitespace.
2009 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
2010 that operator-> is still constexpr with overloaded operator&. Change
2011 to compile-only test.
2012 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
2015 * include/bits/shared_ptr.h: Improve docs.
2016 * include/bits/shared_ptr_atomic.h: Likewise.
2017 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
2019 * include/bits/basic_string.h: Fix iterator/index confusion in
2021 * include/bits/range_access.h: Fix Doxygen warnings.
2022 * include/bits/refwrap.h: Do not document implementation details.
2023 (ref, cref): Group docs with reference_wrapper.
2024 * include/std/fstream: Fix Doxygen markup.
2025 * libsupc++/initializer_list (begin, end): Group docs with
2028 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
2030 * include/bits/unique_lock.h: Fix/improve doxygen markup.
2031 * include/std/mutex: Likewise.
2032 * include/std/shared_mutex: Likewise.
2034 * include/bits/fs_dir.h: Fix/improve doxygen markup.
2035 * include/bits/fs_fwd.h: Likewise.
2036 * include/bits/fs_ops.h: Likewise.
2037 * include/bits/fs_path.h: Likewise.
2038 * include/std/filesystem: Likewise.
2040 * include/experimental/bits/net.h: Fix/improve doxygen markup.
2041 * include/experimental/buffer: Likewise.
2042 * include/experimental/executor: Likewise.
2043 * include/experimental/internet: Likewise.
2044 * include/experimental/io_context: Likewise.
2045 * include/experimental/net: Likewise.
2046 * include/experimental/netfwd: Likewise.
2047 * include/experimental/socket: Likewise.
2048 * include/experimental/timer: Likewise.
2050 * doc/doxygen/doxygroups.cc: Move description of experimental group
2052 * include/experimental/algorithm: Add to libfund-ts doc group.
2053 * include/experimental/any: Likewise. Do not document implementation
2055 * include/experimental/array: Add to libfund-ts doc group.
2056 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
2057 for Library Fundamentals.
2058 * include/experimental/chrono: Add to libfund-ts doc group.
2059 * include/experimental/deque: Likewise.
2060 * include/experimental/forward_list: Likewise.
2061 * include/experimental/functional: Likewise.
2062 * include/experimental/iterator: Likewise.
2063 * include/experimental/list: Likewise.
2064 * include/experimental/map: Likewise.
2065 * include/experimental/memory: Likewise.
2066 * include/experimental/memory_resource: Likewise. Improve docs.
2068 * include/experimental/numeric: Add to libfund-ts doc group.
2069 * include/experimental/optional: Likewise.
2070 * include/experimental/propagate_const: Likewise.
2071 * include/experimental/random: Likewise.
2072 * include/experimental/ratio: Likewise.
2073 * include/experimental/regex: Likewise.
2074 * include/experimental/set: Likewise.
2075 * include/experimental/source_location: Likewise.
2076 * include/experimental/string: Likewise.
2077 * include/experimental/string_view: Likewise.
2078 * include/experimental/system_error: Likewise.
2079 * include/experimental/tuple: Likewise.
2080 * include/experimental/type_traits: Likewise.
2081 * include/experimental/unordered_map: Likewise.
2082 * include/experimental/unordered_set: Likewise.
2083 * include/experimental/utility: Likewise.
2084 * include/experimental/vector: Likewise.
2085 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
2086 * testsuite/experimental/array/neg.cc: Adjust dg-error.
2087 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
2089 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
2090 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
2091 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
2092 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
2093 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
2095 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
2096 * include/experimental/bits/fs_fwd.h: Improve docs.
2097 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
2098 * include/experimental/bits/fs_path.h: Likewise.
2099 (path, filesystem_error, u8path): Improve docs.
2100 * include/experimental/filesystem: Link to docs for TS.
2102 * config/allocator/new_allocator_base.h (__allocator_base): Add
2103 workaround for Doxygen bug #6945.
2104 * include/std/memory: Improve docs. Define group for pointer safety.
2105 * include/std/scoped_allocator: Improve docs. Use "undocumented"
2106 conditional to suppress documentation for implementation details.
2108 * include/bits/specfun.h: Improve docs.
2109 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
2112 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
2113 (std::experimental): Add docs.
2114 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
2115 namespace to nothing when generating docs.
2116 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
2117 * include/std/chrono (std::chrono): Likewise.
2118 * include/std/functional (std::placeholders): Likewise.
2119 * include/std/thread (std::this_thread): Likewise.
2121 * include/parallel/settings.h: Fix Doxygen markup.
2123 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
2124 anything unless PB_DS_CLASS_C_DEC is defined.
2125 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
2126 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
2127 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
2128 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
2129 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
2130 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
2131 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
2133 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
2134 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
2135 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
2136 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
2137 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
2138 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
2139 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
2140 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
2141 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
2142 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
2143 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
2145 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
2146 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
2148 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
2151 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
2152 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
2153 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
2156 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2158 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
2159 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
2160 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
2161 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
2162 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
2163 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
2165 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
2166 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
2169 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
2172 * include/std/complex (__complex_proj): Return parameter unchanged.
2173 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
2174 floating-point types to take std::complex arguments.
2175 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
2176 floating-point types.
2177 * testsuite/26_numerics/complex/proj.cc: New test.
2179 2019-04-30 Jakub Jelinek <jakub@redhat.com>
2181 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
2182 to _Lock_policyE[012].
2183 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2185 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
2187 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
2188 macros accidentally left in.
2189 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
2190 unnecessary -lstdc++fs option. Fix test for mingw.
2191 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
2194 2019-04-30 Jakub Jelinek <jakub@redhat.com>
2196 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2198 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
2200 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
2202 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
2203 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
2206 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
2208 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
2211 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
2212 class template and partial specialization.
2215 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
2217 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
2218 functions to convert a value to an integral type.
2219 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
2220 (fill_n): Convert _Size parameter to an integral type.
2221 * testsuite/25_algorithms/fill_n/87982.cc: New test.
2222 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
2223 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
2224 * testsuite/25_algorithms/generate_n/87982.cc: New test.
2225 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
2226 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
2228 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
2230 Adding noexcept-specification on tuple constructors (LWG 2899)
2231 * libstdc++-v3/include/std/tuple:
2232 (tuple()): Add noexcept-specification.
2233 (tuple(const _Elements&...)): Likewise
2234 (tuple(_UElements&&...)): Likewise
2235 (tuple(const tuple<_UElements...>&)): Likewise
2236 (tuple(tuple<_UElements...>&&)): Likewise
2237 (tuple(const _T1&, const _T2&)): Likewise
2238 (tuple(_U1&&, _U2&&)): Likewise
2239 (tuple(const tuple<_U1, _U2>&): Likewise
2240 (tuple(tuple<_U1, _U2>&&): Likewise
2241 (tuple(const pair<_U1, _U2>&): Likewise
2242 (tuple(pair<_U1, _U2>&&): Likewise
2243 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
2245 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
2248 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
2249 arguments with __restrict.
2251 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
2253 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
2255 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
2257 * include/experimental/bits/fs_path.h
2258 (path::_S_convert_loc<_InputIterator>): Create const std::string to
2259 avoid redundant call to _S_convert_loc with non-const pointers.
2261 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
2262 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
2263 * testsuite/21_strings/basic_string/hash/hash.cc
2264 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
2265 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
2266 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
2268 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
2269 wstring::_M_replace_dispatch with more specific patterns.
2270 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
2271 Create const std::string to avoid redundant call to _S_convert_loc
2272 with non-const pointers.
2273 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
2274 avoid unnecessary basic_string::assign instantiations.
2276 * include/std/memory (__uses_alloc_args): Add string-literal to
2277 static_assert, to match the one in __uses_alloc.
2278 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
2279 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
2280 for recursive uses-allocator construction of nested pairs.
2281 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
2284 2019-04-26 Jakub Jelinek <jakub@redhat.com>
2286 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
2287 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
2288 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
2289 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
2291 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2292 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
2293 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
2294 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
2295 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
2296 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2297 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2299 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
2302 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
2303 * include/std/scoped_allocator [__cplusplus > 201703L]
2304 (scoped_allocator_adaptor::construct): Define in terms of
2305 uses_allocator_construction_args, as per P0591R4.
2306 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
2307 * testsuite/util/testsuite_allocator.h: Remove name of unused
2310 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
2312 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
2313 * doc/html/*: Regenerate.
2315 * include/bits/fs_path.h (operator<, operator<=, operator>)
2316 (operator>=, operator==, operator!=): Make hidden friends, as per
2318 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
2319 string type in test.
2320 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
2322 * include/std/any (any::any(ValueType&&)): Use __and_v.
2323 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
2326 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
2328 * include/std/type_traits (__result_of_memfun): Use remove_reference
2329 instead of __remove_cvref_t and remove redundant is_same check.
2330 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
2332 * include/experimental/string_view (basic_string_view::pointer)
2333 (basic_string_view::reference): Fix to refer to non-const value_type.
2334 * include/bits/basic_string.h (basic_string): Use __sv_check and
2335 __sv_limit instead of basic_string_view::_M_check and
2336 basic_string_view::_M_limit.
2337 * include/std/string_view (__sv_check, __sv_limit): New
2338 helper functions to replace basic_string_view::_M_check and
2339 basic_string_view::_M_limit.
2340 (basic_string_view): Add static assertions to enforce ill-formed
2341 requirement for traits_type::char_type from P1148R0, and to enforce
2342 required properties of char-like types.
2343 (basic_string_view::pointer, basic_string_view::reference): Fix to
2344 refer to non-const value_type.
2345 (basic_string_view::operator[], basic_string_view::at)
2346 (basic_string_view::front, basic_string_view::back)
2347 (basic_string_view::data): Use const_reference and const_pointer
2348 typedefs for return types.
2349 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
2350 (hash<wstring_view>): Fix argument_type typedef.
2351 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
2352 char/1.cc: Fix expected return type of basic_string_view::data().
2353 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
2354 wchar_t/1.cc: Likewise.
2355 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
2356 char/1.cc: Likewise.
2357 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
2358 wchar_t/1.cc: Likewise.
2359 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
2361 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
2362 Check reference and pointer typedefs.
2363 * testsuite/experimental/string_view/requirements/typedefs.cc:
2365 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
2366 Fix expected return type of basic_string_view::data().
2367 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
2369 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
2371 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
2375 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
2376 Avoid a runtime check for types that can never be stored in std::any.
2377 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
2380 PR libstdc++/90220 (partial)
2381 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
2382 not attempt ill-formed static_cast to pointers to non-object types.
2383 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
2386 * testsuite/20_util/variant/run.cc: Catch exception by reference to
2387 prevent -Wcatch-value warning.
2389 * include/std/variant (__variant_construct): Use template parameter
2390 type instead of equivalent decltype-specifier.
2391 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
2392 Replace forward with move.
2393 (_Move_ctor_base<false, Types...>::_M_destructive_move)
2394 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
2395 (_Move_ctor_base<true, Types...>::_M_destructive_move)
2396 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
2397 index after construction succeeds.
2398 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
2399 if-constexpr checks that are always true. Use __remove_cvref_t instead
2400 of remove_reference so that is_nothrow_move_constructible check
2401 doesn't use a const rvalue parameter. In the potentially-throwing case
2402 construct a temporary and move assign it, as per LWG 2904.
2403 (_Move_assign_base<false, Types...>::operator=): Remove redundant
2404 if-constexpr checks that are always true. Use emplace as per LWG 2904.
2405 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
2406 construct a temporary and move assign from it, as per LWG 2904.
2407 * testsuite/20_util/variant/exception_safety.cc: Check that
2408 assignment operators have strong exception safety guarantee.
2410 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
2412 Document PSTL linker flags
2414 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
2416 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
2418 * include/std/variant (__detail::__variant::_Traits): Make
2419 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
2420 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
2422 (__detail::__variant::_Copy_assign_alias): Only depend on
2423 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
2424 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
2425 move assignment operators.
2428 * include/std/variant (variant::__not_self): New helper for the
2429 is_same_v<remove_cvref_t<T>, variant>==false constraints.
2430 (variant::__to_type_impl): Remove.
2431 (variant::__to_type): Add default argument to check pack size, instead
2432 of using __to_type_impl.
2433 (variant::__accepted_type): Add default argument using __not_self.
2434 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
2435 for variant(T&&) constructor constraint.
2436 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
2437 Extract __accepted_type into a named template parameter for reuse in
2438 other constraints and in the exception specification.
2439 (variant::variant(in_place_type_t<T>, Args&&...))
2440 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
2441 (variant::variant(in_place_index_t<T>, Args&&...))
2442 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
2443 (variant::operator=T&&)): Remove redundant && from trait arguments.
2444 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
2445 isn't used for in_place_type or in_place_index arguments.
2447 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
2448 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
2449 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
2451 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2452 Bernd Edlinger <bernd.edlinger@hotmail.de>
2453 Jakub Jelinek <jakub@redhat.com>
2456 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
2457 general-regs-only target attribute for ARM.
2459 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
2462 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
2463 specialization also depend on is_nothrow_move_constructible.
2464 * include/std/variant (__detail::__variant::__never_valueless()):
2465 Only true if the variant would have a move assignment operator.
2466 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
2467 Check __never_valueless<T...>().
2468 (variant::emplace): Only perform non-throwing move assignments
2469 for never-valueless alternatives if the variant has a move assignment
2471 * testsuite/20_util/variant/compile.cc: Check that never-valueless
2472 types can be emplaced into non-assignable variants.
2473 * testsuite/20_util/variant/run.cc: Check that never-valueless types
2474 don't get copied when emplaced into non-assignable variants.
2476 * include/std/variant (__detail::__variant::__ref_cast): Remove
2478 (__detail::__variant::_Uninitialized::_M_get)
2479 (__detail::__variant::__get)
2480 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
2482 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
2484 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
2486 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
2487 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
2488 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
2489 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
2491 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2493 Delegate PSTL configuration to pstl/pstl_config.h
2495 * include/bits/c++config: Remove explicit PSTL configuration
2496 macros and use definitions from <pstl/pstl_config.h>.
2498 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
2500 Cleanup algorithm implementations
2501 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
2503 (mismatch): Forward execution policy.
2504 (equal): Qualify call to std::equal().
2505 (partial_sort): Forward execution policy.
2506 (inplace_merge): Forward execution policy.
2508 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
2510 Improve implementation of parallel equal()
2511 * include/pstl/algorithm_impl.h
2512 (__internal::__brick_equal): use "4 iterator" version of
2514 (__internal::__brick_equal): use simd for random access
2515 iterators on unsequenced execution policies.
2516 (__internal::__pattern_equal): add "4 iterator" version
2517 (__internal::__pattern_equal): dispatch to simd __brick_equal
2518 for vector-only execution policies.
2519 (__internal::__pattern_equal): dispatch to __parallel_or for
2520 parallel execution policies.
2521 * include/pstl/glue_algorithm_impl.h
2522 (std::equal): dispatch to "4 iterator" version of
2523 __internal::__pattern_equal().
2525 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
2528 * include/bits/forward_list.h (operator==): Do not use operator!= to
2530 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
2531 earlier in the list, so that sort is stable.
2532 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
2533 * testsuite/23_containers/forward_list/comparable.cc: Test with
2534 types that meet the minimum EqualityComparable and LessThanComparable
2535 requirements. Remove irrelevant comment.
2537 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
2538 Do not depend on whether all alternative types are move constructible.
2539 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
2540 from the operand when deciding whether to perform the assignment.
2541 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
2542 with deleted move constructor and deleted move assignment operator.
2543 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
2544 behaviour of variants with DeletedMoves as an alternative.
2545 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
2546 (move_ctor, move_assign): Check that moving a variant with a
2547 DeletedMoves alternative falls back to copying instead of moving.
2549 * testsuite/20_util/variant/compile.cc: Remove empty string literals
2550 from static_assert declarations.
2552 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
2553 actually match its name.
2554 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
2555 (test_swap()): Fix result for MoveCtorOnly and check
2556 MoveCtorAndSwapOnly.
2558 * include/std/optional (optional::value_or(U&&) &&): Add missing
2559 constexpr specifier.
2560 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
2561 for disengaged optionals and rvalue optionals.
2562 * testsuite/20_util/optional/observers/4.cc: Likewise.
2564 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
2566 * include/pstl/algorithm_impl.h: Uglify identfiers.
2567 * include/pstl/numeric_impl.h: Uglify identfiers.
2568 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
2570 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
2572 * include/bits/c++config:
2573 Add definition for __PSTL_ASSERT.
2574 Add definition for __PSTL_ASSERT_MSG.
2575 * include/pstl/algorithm_impl.h: Replace use of assert().
2576 * include/pstl/numeric_impl.h: Replace use of assert().
2577 * include/pstl/parallel_backend_tbb.h:
2578 Replace use of assert().
2579 Replace use of __TBB_ASSERT().
2580 * include/pstl/parallel_backend_utils.h: Replace use of assert().
2582 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
2585 * src/c++17/memory_resource.cc
2586 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
2587 needed to allow placing a _Chunk at the end of the buffer.
2588 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
2590 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
2592 * doc/xml/faq.xml: Add information about emergency EH pool.
2593 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
2594 Move outdated information on mt_allocator to a separate section.
2595 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
2596 doesn't affect the default allocator.
2598 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
2602 * testsuite/20_util/variant/89851.cc: New test.
2604 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
2606 * include/std/variant: Adjust whitespace. Add comments.
2607 (_Multi_array): Leave primary template undefined.
2608 (_Multi_array<_Tp>): Define partial specialization for base case of
2610 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
2611 which is always a reference.
2612 (__gen_vtable::_S_apply()): Remove function, inline body into
2613 default member initializer.
2614 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
2616 * include/std/variant (__variant_idx_cookie): Add member type.
2617 (__visitor_result_type): Remove.
2618 (__do_visit): Use invoke_result instead of __visitor_result_type.
2619 * testsuite/20_util/variant/visit.cc: New test.
2622 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
2624 * testsuite/20_util/variant/90008.cc: New test.
2626 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
2628 * include/pstl/algorithm_impl.h: Add namespace qualification.
2629 * include/pstl/execution_defs.h: Add namespace qualification.
2630 * include/pstl/execution_impl.h: Add namespace qualification.
2631 * include/pstl/numeric_impl.h: Add namespace qualification.
2632 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
2633 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
2634 * include/pstl/parallel_backend_utils.h: Include <cassert>.
2636 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
2638 Fix visit<R> for variant.
2639 * include/std/variant (__do_visit): Add a template parameter
2640 for enforcing same return types for visit.
2641 (__gen_vtable_impl): Likewise.
2642 (_S_apply_single_alt): Adjust.
2643 (__visit_invoke_impl): New. Handle casting to void.
2644 (__do_visit_invoke): New. Enforces same return types.
2645 (__do_visit_invoke_r): New. Converts return types.
2646 (__visit_invoke): Adjust.
2647 (__gen_vtable): Add a template parameter for enforcing
2648 same return types for visit.
2649 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
2650 different return types.
2651 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
2652 visitors with different return types don't accidentally
2653 compile with regular visitation.
2655 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
2657 * testsuite/27_io/filesystem/iterators/caching.cc: Add
2658 dg-require-filesystem-ts.
2660 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
2662 * doc/xml/manual/status_cxx2020.xml: Update status.
2663 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
2664 * testsuite/20_util/variant/visit_r.cc: New test.
2666 * include/bits/fs_dir.h (directory_iterator::operator*)
2667 (directory_iterator::operator->): Add noexcept.
2668 (operator==, operator!=): Replace namespace-scope equality operators
2669 for directory iterators with hidden friends.
2672 * config/abi/pre/gnu.ver: Add missing exports.
2673 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
2676 * config/abi/pre/gnu.ver: Export new symbols.
2677 * include/bits/fs_dir.h (recursive_directory_iterator::options())
2678 (recursive_directory_iterator::recursion_pending())
2679 (recursive_directory_iterator::disable_recursion_pending()): Remove
2680 inline definitions. Make noexcept.
2681 (recursive_directory_iterator::depth())
2682 (recursive_directory_iterator::operator*())
2683 (recursive_directory_iterator::operator->()): Make noexcept.
2684 (recursive_directory_iterator::_M_options)
2685 (recursive_directory_iterator::_M_pending): Remove data members.
2686 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
2687 (recursive_directory_iterator::recursive_directory_iterator): Remove
2688 ctor-initializer. Use new constructor for _Dir_stack.
2689 (recursive_directory_iterator::options())
2690 (recursive_directory_iterator::recursion_pending())
2691 (recursive_directory_iterator::disable_recursion_pending()): Add
2692 non-inline definitions.
2693 (recursive_directory_iterator::depth()): Make noexcept.
2694 (recursive_directory_iterator::increment(error_code&))
2695 (recursive_directory_iterator::pop(error_code&)): Adjust to new
2696 location of options and recursion_pending members.
2697 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
2698 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
2699 user-declared move constructor and assignment operator, to make the
2702 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
2703 d_type == DT_UNKNOWN immediately.
2704 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
2706 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
2708 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
2710 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
2711 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
2714 PR libstdc++/87431 (again)
2715 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
2716 Define partial specialization for basic_string.
2717 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
2718 shared_ptr and weak_ptr.
2719 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
2721 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
2723 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
2725 * include/debug/vector (_Never_valueless_alt): Likewise for debug
2727 * include/std/any (_Never_valueless_alt): Define explicit
2728 specialization for any.
2729 * include/std/variant (_Never_valueless_alt): Define primary template.
2730 (__never_valueless): Use _Never_valueless_alt instead of
2731 is_trivially_copyable.
2732 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
2733 initializations to avoid try-catch overhead. Add special case for
2734 scalars produced by potentially-throwing conversions. Use
2735 _Never_valueless_alt instead of is_trivially_copyable for the
2736 remaining strong exception-safety cases.
2737 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
2738 * testsuite/20_util/variant/87431.cc: Run both test functions.
2739 * testsuite/20_util/variant/exception_safety.cc: New test.
2740 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
2741 so the variant becomes valueless.
2743 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
2746 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
2748 (variant::emplace<_Tp>): Return result of emplace<N> directly.
2750 * include/std/string (__hash_string_base): New class template defining
2751 operator() for hashing strings.
2752 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
2753 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
2754 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
2755 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
2757 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
2759 Use single-visitation in variant assignment and swap and relops.
2760 Also use indices instead of types when checking whether
2761 variants hold the same thing.
2762 * include/std/variant (__do_visit): Add a template parameter
2763 for index visitation, invoke with indices if index visitation
2765 (__variant_idx_cookie): New.
2766 (__visit_with_index): Likewise.
2767 (_Copy_assign_base::operator=): Do single-visitation with
2769 (_Move_assign_base::operator=): Likewise.
2770 (_Extra_visit_slot_needed): Adjust.
2771 (__visit_invoke): Call with indices if it's an index visitor.
2772 (relops): Do single-visitation with an index visitor.
2774 (__visitor_result_type): New.
2776 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
2778 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
2780 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2782 Don't revisit a variant we are already visiting.
2783 * include/std/variant (__variant_construct_single): New.
2784 (__variant_construct): Use it.
2785 (_M_destructive_move): Likewise.
2786 (_M_destructive_copy): Likewise.
2787 (_Copy_assign_base::operator=): Adjust.
2788 (_Move_assign_base::operator=): Likewise.
2791 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
2794 * include/bits/hashtable.h (_Hashtable): Move static assertions to
2795 destructor so they are not evaluated until the _Key type is complete.
2796 * include/bits/stl_tree.h (_Rb_tree): Likewise.
2797 * testsuite/23_containers/set/85965.cc: New test.
2798 * testsuite/23_containers/unordered_set/85965.cc: New test.
2799 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
2800 with regexp matching the corresponding _Rb_tree specialization.
2801 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2802 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
2803 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2804 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2805 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2806 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2807 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2809 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2812 Fix based on a suggestion by Antony Polukhin.
2813 * include/std/variant (__never_valueless): New.
2815 (_Extra_visit_slot_needed): New.
2816 (_Multi_array): Use it.
2817 (_S_apply_all_alts): Likewise.
2819 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2822 Fix based on a suggestion by Antony Polukhin.
2823 * include/std/variant (__gen_vtable): Don't reserve an
2824 additional table slot, _Multi_array already does that.
2826 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
2829 Fix based on a suggestion by Antony Polukhin.
2830 * include/std/variant (__variant_construct): Capture a pointer
2831 to the storage and visit just one variant.
2833 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
2835 * doc/xml/manual/backwards_compatibility.xml: Remove link to
2836 Doxygen-generated pages with unstable URL.
2837 * doc/xml/manual/concurrency_extensions.xml: Likewise.
2838 * doc/xml/manual/extensions.xml: Likewise.
2839 * doc/xml/manual/parallel_mode.xml: Likewise.
2840 * doc/xml/manual/support.xml: Likewise.
2842 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
2843 avoid -Wconversion warnings.
2845 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
2847 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
2848 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
2849 (allstamped): Add stamp-pstl.
2850 (install-headers): Add ptsl_builddir.
2851 * include/Makefile.in: Regenerate.
2852 * include/bits/c++config: Add pstl configuration.
2853 * include/pstl/LICENSE.txt: New file.
2854 * include/pstl/algorithm_fwd.h: New file.
2855 * include/pstl/algorithm_impl.h: New file.
2856 * include/pstl/execution_defs.h: New file.
2857 * include/pstl/execution_impl.h: New file.
2858 * include/pstl/glue_algorithm_defs.h: New file.
2859 * include/pstl/glue_algorithm_impl.h: New file.
2860 * include/pstl/glue_execution_defs.h: New file.
2861 * include/pstl/glue_memory_defs.h: New file.
2862 * include/pstl/glue_memory_impl.h: New file.
2863 * include/pstl/glue_numeric_defs.h: New file.
2864 * include/pstl/glue_numeric_impl.h: New file.
2865 * include/pstl/memory_impl.h: New file.
2866 * include/pstl/numeric_fwd.h: New file.
2867 * include/pstl/numeric_impl.h: New file.
2868 * include/pstl/parallel_backend.h: New file.
2869 * include/pstl/parallel_backend_tbb.h: New file.
2870 * include/pstl/parallel_backend_utils.h: New file.
2871 * include/pstl/parallel_impl.h: New file.
2872 * include/pstl/pstl_config.h: New file.
2873 * include/pstl/unseq_backend_simd.h: New file.
2874 * include/pstl/utils.h: New file.
2875 * include/std/algorithm: Include parallel algorithm implementations.
2876 * include/std/execution: New file.
2877 * include/std/memory: Include parallel algorithm implementations.
2878 * include/std/numeric: Include parallel algorithm implementations.
2879 * include/std/version: Add parallel algorithms feature test macro.
2880 * testsuite/util/pstl/pstl_test_config.h: New file.
2881 * testsuite/util/pstl/test_utils.h: New file.
2882 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2883 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2884 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2885 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2886 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2887 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2888 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2889 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2890 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2891 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2892 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2893 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2894 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2895 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2896 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2897 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2898 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2899 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2900 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2901 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2902 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2903 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2904 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2905 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2906 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2907 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2908 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2909 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2910 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2911 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2912 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2913 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2914 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2915 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2916 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2917 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2918 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2919 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2920 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2921 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2922 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2923 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2924 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2925 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2926 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2927 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2928 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2929 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2930 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2931 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2932 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2933 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2934 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2935 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
2936 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
2937 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
2938 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
2939 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
2940 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
2941 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
2942 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
2943 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
2944 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
2945 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
2946 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
2947 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
2948 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
2949 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
2950 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
2951 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
2952 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
2953 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
2954 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
2955 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
2956 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
2957 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
2958 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
2959 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
2960 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
2961 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
2962 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
2963 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
2964 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
2965 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
2966 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
2967 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
2968 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
2969 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
2970 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
2971 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
2972 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
2973 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
2974 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
2975 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
2976 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
2977 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
2978 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
2979 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
2980 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
2981 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
2982 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
2983 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
2984 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
2985 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
2986 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
2987 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2989 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
2991 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
2992 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
2993 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
2994 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
2995 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
2996 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
2997 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
2998 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
2999 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
3000 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
3001 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
3002 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
3003 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
3004 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
3005 when the special functions IS is enabled, not for C++17.
3006 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
3008 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
3009 without checks for special functions in C++17.
3010 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
3014 * include/backward/hash_map: Use <> for includes not "".
3015 * include/backward/hash_set: Likewise.
3016 * include/backward/strstream: Likewise.
3017 * include/tr1/bessel_function.tcc: Likewise.
3018 * include/tr1/exp_integral.tcc: Likewise.
3019 * include/tr1/legendre_function.tcc: Likewise.
3020 * include/tr1/modified_bessel_func.tcc: Likewise.
3021 * include/tr1/riemann_zeta.tcc: Likewise.
3023 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
3025 * doc/xml/manual/allocator.xml: Link to table documenting evolution
3026 of extension allocators.
3027 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
3028 Document new headers in 7.2, 8.1 and 9.1 releases.
3029 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
3030 * doc/html/*: Regenerate.
3032 2019-03-12 John David Anglin <dave.anglin@bell.net>
3035 * testsuite/lib/libstdc++.exp: Locate libatomic.
3036 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
3037 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
3039 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
3040 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
3041 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
3042 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
3044 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
3047 * configure.ac: Check for sockatmark.
3048 * crossconfig.m4: Check for sockatmark.
3049 * config.h.in: Regenerate.
3050 * configure: Regenerate.
3051 * include/experimental/internet (address_v4::_S_hton): Rename
3052 overloaded functions to _S_hton_16 and _S_ntoh_16.
3053 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
3054 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
3055 * include/experimental/socket (basic_socket::at_mark): Check
3056 _GLIBCXX_HAVE_SOCKATMARK.
3058 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
3059 const variables instead of macros.
3062 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
3063 Use correct type for len_aligned.
3064 * testsuite/20_util/hash/89629.cc: New test.
3066 2019-03-11 Jakub Jelinek <jakub@redhat.com>
3069 * include/std/atomic (atomic<T>::store, atomic<T>::load,
3070 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
3071 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
3072 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
3073 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
3074 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
3075 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
3076 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
3077 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
3078 memory_order_seq_cst to int.
3080 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
3082 * doc/xml/manual/using.xml: Use link element instead of xref.
3083 * doc/html/*: Regenerate.
3085 * include/bits/fs_path.h (path::format): Add fixed underlying type.
3087 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
3090 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
3091 parameters in deduction guides.
3092 * include/debug/multimap.h (multimap): Likewise.
3093 * include/debug/set.h (multimap): Likewise.
3094 * include/debug/multiset.h (multimap): Likewise.
3095 * include/debug/unordered_map (unordered_map): Likewise.
3096 (unordered_multimap): Likewise.
3097 * include/debug/unordered_set (unordered_set): Likewise.
3098 (unordered_multiset): Likewise.
3101 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
3102 Invalidate all iterators in case of rehash.
3103 (unordered_multimap<>::_M_check_rehashed): Likewise.
3104 * include/debug/unordered_set
3105 (unordered_set<>::_M_check_rehashed): Likewise.
3106 (unordered_multiset<>::_M_check_rehashed): Likewise.
3107 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
3109 2019-03-07 Andreas Schwab <schwab@suse.de>
3111 * config/abi/post/riscv64-linux-gnu: New directory.
3112 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
3114 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
3116 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
3117 compile test to run. Fix typo.
3119 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
3120 * doc/html/*: Regenerate.
3122 P0356R5 Simplified partial function application
3123 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
3124 helpers for bind_front.
3125 (bind_front, __cpp_lib_bind_front): Define.
3126 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
3128 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
3130 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
3131 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
3132 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
3133 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
3135 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
3137 PR libstdc++/86655 - std::assoc_legendre should not constrain
3138 the value of m (or x).
3139 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
3140 __sph_legendre): If degree > order Don't throw, return 0.
3141 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
3142 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
3143 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
3144 * testsuite/tr1/5_numerical_facilities/special_functions/
3145 02_assoc_legendre/pr86655.cc: New test.
3146 * testsuite/tr1/5_numerical_facilities/special_functions/
3147 22_sph_legendre/pr86655.cc: New test.
3149 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
3152 Also PR libstdc++/85517
3153 * include/std/variant (__do_visit): New.
3154 (__variant_cast): Likewise.
3155 (__variant_cookie): Likewise.
3156 (__erased_*): Remove.
3157 (_Variant_storage::_S_vtable): Likewise.
3158 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
3159 (_Variant_storage::__M_reset): Adjust.
3160 (__variant_construct): New.
3161 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
3162 __variant_construct.
3163 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
3164 (_Move_ctor_base::__M_destructive_copy): New.
3165 (_Move_ctor_base::__M_destructive_move): Adjust to use
3166 __variant_construct.
3167 (_Copy_assign_base::operator=): Adjust to use __do_visit.
3168 (_Copy_assign_alias): Adjust to check both copy assignment
3169 and copy construction for triviality.
3170 (_Move_assign_base::operator=): Adjust to use __do_visit.
3171 (_Multi_array): Add support for visitors that accept and return
3173 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
3174 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
3175 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
3176 a __variant_cookie temporary for a variant that is valueless and..
3177 (__gen_vtable_impl::__visit_invoke): ..adjust here.
3178 (__gen_vtable::_Array_type): Conditionally make space for
3179 the __variant_cookie visitor case.
3180 (__variant_construct_by_index): New.
3181 (get_if): Adjust to use std::addressof.
3182 (relops): Adjust to use __do_visit.
3183 (variant): Add __variant_cast and __variant_construct_by_index
3185 (variant::emplace): Use _M_reset() and __variant_construct_by_index
3186 instead of self-destruction.
3187 (variant::swap): Adjust to use __do_visit.
3188 (visit): Reimplement in terms of __do_visit.
3189 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
3190 * testsuite/20_util/variant/compile.cc: Adjust.
3191 * testsuite/20_util/variant/run.cc: Likewise.
3193 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
3195 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
3197 * testsuite/experimental/feat-char8_t.cc: Likewise.
3199 * include/std/type_traits [C++20] (is_bounded_array)
3200 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
3202 * testsuite/20_util/is_bounded_array/requirements/
3203 explicit_instantiation.cc: New test.
3204 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
3206 * testsuite/20_util/is_bounded_array/value.cc: New test.
3207 * testsuite/20_util/is_unbounded_array/requirements/
3208 explicit_instantiation.cc: New test.
3209 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
3211 * testsuite/20_util/is_unbounded_array/value.cc: New test.
3213 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
3215 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
3217 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
3219 * include/c_compatibility/math.h [C++20] (lerp): Add using
3221 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
3222 (__lerp): Define function template to implement lerp.
3223 (lerp(float, float, float), lerp(double, double, double))
3224 (lerp(long double, long double, long double)): Define for C++20.
3225 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
3226 (midpoint(T, T), midpoint(T*, T*)): Define.
3227 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
3228 * testsuite/26_numerics/lerp.cc: New test.
3229 * testsuite/26_numerics/midpoint/floating.cc: New test.
3230 * testsuite/26_numerics/midpoint/integral.cc: New test.
3231 * testsuite/26_numerics/midpoint/pointer.cc: New test.
3233 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
3235 PR libstdc++/88996 Implement P0439R0
3236 Make std::memory_order a scoped enumeration.
3237 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
3238 add variables for the old enumerators. Adjust calls.
3239 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
3240 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
3242 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
3244 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
3247 * include/std/memory_resource (polymorphic_allocator): Add default
3248 template argument for C++20.
3249 (polymorphic_allocator::allocate_bytes)
3250 (polymorphic_allocator::deallocate_bytes)
3251 (polymorphic_allocator::allocate_object)
3252 (polymorphic_allocator::deallocate_object)
3253 (polymorphic_allocator::new_object)
3254 (polymorphic_allocator::delete_object): New member functions for
3256 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
3259 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
3262 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
3265 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
3267 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
3268 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
3270 * include/std/memory (uses_allocator_construction_args): New set of
3271 overloaded functions.
3272 (make_obj_using_allocator, uninitialized_construct_using_allocator):
3274 * include/std/memory_resource (polymorphic_allocator::construct)
3275 [__cplusplus > 201703l]: Replace all overloads with a single function
3276 using uses_allocator_construction_args.
3277 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
3279 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
3281 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
3284 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
3285 stylesheet directories before check for xsltproc. Try to use
3286 xmlcatalog to find local stylesheet directory before trying hardcoded
3287 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
3288 check to look for the same stylesheet as doc/Makefile.am uses. Don't
3289 use xsltproc if xmlcatalog fails to find a local stylesheet.
3290 * configure.ac: Check for xmlcatalog.
3291 * Makefile.in: Regenerate.
3292 * configure: Likewise.
3293 * doc/Makefile.in: Likewise.
3294 * include/Makefile.in: Likewise.
3295 * libsupc++/Makefile.in: Likewise.
3296 * po/Makefile.in: Likewise.
3297 * python/Makefile.in: Likewise.
3298 * src/Makefile.in: Likewise.
3299 * src/c++11/Makefile.in: Likewise.
3300 * src/c++17/Makefile.in: Likewise.
3301 * src/c++98/Makefile.in: Likewise.
3302 * src/filesystem/Makefile.in: Likewise.
3303 * testsuite/Makefile.in: Likewise.
3305 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
3308 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
3309 container deduction guides.
3310 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
3311 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
3312 parameters in deduction guides.
3313 * include/bits/stl_multimap.h (multimap): Likewise.
3314 * include/bits/stl_multiset.h (multiset): Likewise.
3315 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
3316 * include/bits/stl_set.h (set): Likewise.
3317 * include/bits/stl_stack.h (stack): Likewise.
3318 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
3319 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
3320 constrain parameters in deduction guides.
3321 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
3323 * testsuite/23_containers/map/cons/deduction.cc: Test additional
3325 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
3326 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
3327 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
3328 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
3330 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
3332 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
3335 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
3336 to class template and partial specialization using void_t.
3337 (__is_copy_insertable, __is_move_insertable): Adjust base class.
3339 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
3342 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
3343 copy and move members public.
3345 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
3347 * include/std/type_traits (__underlying_type_impl): New helper to
3348 make underlying_type SFINAE-friendly.
3349 (underlying_type): Derive from __underlying_type_impl.
3350 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
3354 * include/bits/char_traits.h (__constant_char_array): Check index is
3355 in range before dereferencing.
3356 (char_traits<char>::compare, char_traits<char>::find)
3357 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
3358 immediately if n is zero.
3359 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
3360 Remove workarounds for PR 67026.
3361 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
3363 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
3366 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
3368 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
3369 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
3371 2019-02-22 Jakub Jelinek <jakub@redhat.com>
3374 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
3375 type to std::size_t and argument to type to long double.
3377 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
3379 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
3380 * config/abi/post/sparc64-linux-gnu: New directory.
3381 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
3382 * config/abi/post/sparc64-linux-gnu/32: New directory.
3383 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
3385 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
3387 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
3388 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
3391 2019-02-22 Tom Honermann <tom@honermann.net>
3393 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
3394 printers for u8string and u8string_view.
3396 2019-02-22 Tom Honermann <tom@honermann.net>
3398 * testsuite/18_support/byte/ops.cc: Validate
3399 std::to_integer<char8_t>, std::to_integer<char16_t>, and
3400 std::to_integer<char32_t>.
3401 * testsuite/18_support/numeric_limits/dr559.cc: Validate
3402 std::numeric_limits<char8_t>.
3403 * testsuite/18_support/numeric_limits/lowest.cc: Validate
3404 std::numeric_limits<char8_t>::lowest().
3405 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
3406 std::numeric_limits<char8_t>::max_digits10.
3407 * testsuite/18_support/type_info/fundamental.cc: Validate
3408 typeinfo for char8_t.
3409 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
3410 std::from_chars with char8_t.
3411 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
3412 Validate explicit instantiation of std::hash<char8_t>.
3413 * testsuite/20_util/is_integral/value.cc: Validate
3414 std::is_integral<char8_t>.
3415 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
3416 Validate std::make_signed<char8_t>.
3417 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
3418 Validate u8string construction from char8_t sources.
3419 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
3421 * testsuite/21_strings/basic_string_view/operations/compare/
3422 char/70483.cc: Validate substr operations on u8string_view.
3423 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
3424 the u8string_view typedef is defined.
3425 * testsuite/21_strings/char_traits/requirements/
3426 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
3428 * testsuite/21_strings/char_traits/requirements/
3429 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
3430 constexpr member functions.
3431 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
3432 that the u8string typedef is defined.
3433 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
3434 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
3435 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
3436 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
3438 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
3439 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
3441 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
3442 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
3443 Validate std::atomic<char8_t>::is_always_lock_free
3444 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
3445 Update line numbers.
3446 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
3448 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
3450 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
3451 Validate std::experimental::pmr::u8string.
3452 * testsuite/experimental/string_view/typedefs.cc: Validate that the
3453 u8string_view typedef is defined.
3454 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
3455 char32_t to the typelists.
3457 2019-02-22 Tom Honermann <tom@honermann.net>
3459 * include/ext/typelist.h: Constrain a partial specialization of
3460 typelist::detail::append_ to only match chain<T1,T2>.
3462 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
3465 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
3466 class template with class. Replace move and copy member types with
3467 member alias templates, so they are only instantiated when needed.
3468 (__is_copy_insertable, __is_move_insertable): Adjust base class.
3469 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
3470 test for C++11/14/17 as well.
3471 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
3474 2019-02-20 Jakub Jelinek <jakub@redhat.com>
3477 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
3478 _GLIBCXX_PURE to the alias declaration.
3480 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
3482 * testsuite/21_strings/basic_string/literals/types.cc
3483 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
3484 * testsuite/21_strings/basic_string/literals/values.cc
3485 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3486 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
3487 potentially having different type.
3488 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
3489 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
3491 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
3492 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
3493 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
3494 string literals only using basic character set.
3495 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
3496 u8 literals to char.
3497 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
3498 Test ATOMIC_CHAR8_T_LOCK_FREE.
3499 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
3500 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
3501 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
3502 * testsuite/experimental/string_view/literals/types.cc
3503 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
3505 * testsuite/experimental/string_view/literals/values.cc
3506 [_GLIBCXX_USE_CHAR8_T]: Likewise.
3508 2019-02-19 Tom Honermann <tom@honermann.net>
3510 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
3511 from char16_32_t.cc; validates numeric_limits<char8_t>.
3512 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
3513 test cloned from types.cc; validates operator""s for char8_t
3515 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
3516 test cloned from values.cc; validates construction and comparison
3518 * testsuite/21_strings/basic_string/requirements/
3519 /explicit_instantiation/char8_t/1.cc: New test cloned from
3520 char16_t/1.cc; validates explicit instantiation of
3521 basic_string<char8_t>.
3522 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
3523 New test cloned from types.cc; validates operator""sv for char8_t
3524 returns u8string_view.
3525 * testsuite/21_strings/basic_string_view/literals/
3526 values-char8_t.cc: New test cloned from values.cc; validates
3527 construction and comparison of u8string_view values.
3528 * testsuite/21_strings/basic_string_view/requirements/
3529 explicit_instantiation/char8_t/1.cc: New test cloned from
3530 char16_t/1.cc; validates explicit instantiation of
3531 basic_string_view<char8_t>.
3532 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
3533 New test cloned from char16_t/65049.cc; validates that
3534 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
3535 * testsuite/21_strings/char_traits/requirements/char8_t/
3536 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
3537 that char_traits<char8_t> member typedefs are present and correct.
3538 * testsuite/21_strings/char_traits/requirements/
3539 explicit_instantiation/char8_t/1.cc: New test cloned from
3540 char16_t/1.cc; validates explicit instantiation of
3541 char_traits<char8_t>.
3542 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
3543 from char16_t.cc: validates
3544 codecvt<char16_t, char8_t, mbstate_t>.
3545 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
3546 from char32_t.cc: validates
3547 codecvt<char32_t, char8_t, mbstate_t>.
3548 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
3549 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
3550 codecvt<char32_t, char8_t, std::mbstate_t>.
3551 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
3552 test cloned from string.cc; validates filesystem::path construction
3554 * testsuite/experimental/feat-char8_t.cc: New test; validates that
3555 the __cpp_lib_char8_t feature test macro is defined with the
3557 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
3558 New test cloned from string.cc; validates filesystem::path
3559 construction from char8_t input.
3560 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
3561 test cloned from types.cc; validates operator""sv for char8_t
3562 returns u8string_view.
3563 * testsuite/experimental/string_view/literals/values-char8_t.cc:
3564 New test cloned from values.cc; validates construction and
3565 comparison of u8string_view values.
3566 * testsuite/experimental/string_view/requirements/
3567 explicit_instantiation/char8_t/1.cc: New test cloned from
3568 char16_t/1.cc; validates explicit instantiation of
3569 basic_string_view<char8_t>.
3570 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
3571 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
3574 2019-02-19 Tom Honermann <tom@honermann.net>
3576 P0482R5 char8_t: Standard library support
3577 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
3578 typeinfo symbols for char8_t.
3579 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
3580 (GLIBCXX_3.4.26): Add symbols for specializations of
3581 numeric_limits and codecvt that involve char8_t.
3582 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
3583 * include/bits/atomic_base.h: Add atomic_char8_t.
3584 * include/bits/basic_string.h: Add std::hash<u8string> and
3585 operator""s(const char8_t*, size_t).
3586 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
3588 * include/bits/char_traits.h: Add char_traits<char8_t>.
3589 * include/bits/codecvt.h: Add
3590 codecvt<char16_t, char8_t, mbstate_t>,
3591 codecvt<char32_t, char8_t, mbstate_t>,
3592 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3593 codecvt_byname<char32_t, char8_t, mbstate_t>.
3594 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
3595 recognize char8_t as an integral type.
3596 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
3598 (path::u8string): Return std::u8string when char8_t support is
3600 (path::generic_u8string): Likewise.
3601 (path::_S_convert): Handle conversion from char8_t input.
3602 (path::_S_str_convert): Likewise.
3603 * include/bits/functional_hash.h: Add hash<char8_t>.
3604 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
3606 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
3607 for new char8_t specializations.
3608 * include/bits/localefwd.h: Add missing declarations of
3609 codecvt<char16_t, char, mbstate_t> and
3610 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
3611 codecvt<char16_t, char8_t, mbstate_t> and
3612 codecvt<char32_t, char8_t, mbstate_t>.
3613 * include/bits/postypes.h: Add u8streampos
3614 * include/bits/stringfwd.h: Add declarations of
3615 char_traits<char8_t> and u8string.
3616 * include/c_global/cstddef: Add __byte_operand<char8_t>.
3617 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3619 (path::u8string): Return std::u8string when char8_t support is
3621 (path::generic_u8string): Likewise.
3622 (path::_S_convert): Handle conversion from char8_t input.
3623 (path::_S_str_convert): Likewise.
3624 * include/experimental/string: Add u8string.
3625 * include/experimental/string_view: Add u8string_view,
3626 hash<experimental::u8string_view>, and
3627 operator""sv(const char8_t*, size_t).
3628 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
3629 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
3630 as a character type.
3631 * include/std/limits: Add numeric_limits<char8_t>.
3632 * include/std/string_view: Add u8string_view,
3633 hash<experimental::u8string_view>, and
3634 operator""sv(const char8_t*, size_t).
3635 * include/std/type_traits: Add __is_integral_helper<char8_t>,
3636 __make_unsigned<char8_t>, and __make_signed<char8_t>.
3637 * libsupc++/atomic_lockfree_defines.h: Define
3638 ATOMIC_CHAR8_T_LOCK_FREE.
3639 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
3640 codecvt.cc and limits.cc so that char8_t specializations of
3641 numeric_limits and codecvt and emitted.
3642 * src/c++11/Makefile.in: Likewise.
3643 * src/c++11/codecvt.cc: Define members of
3644 codecvt<char16_t, char8_t, mbstate_t>,
3645 codecvt<char32_t, char8_t, mbstate_t>,
3646 codecvt_byname<char16_t, char8_t, mbstate_t>, and
3647 codecvt_byname<char32_t, char8_t, mbstate_t>.
3648 * src/c++11/limits.cc: Define members of
3649 numeric_limits<char8_t>.
3650 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
3651 locale_init.cc and localename.cc.
3652 * src/c++98/Makefile.in: Likewise.
3653 * src/c++98/locale_init.cc: Add initialization for the
3654 codecvt<char16_t, char8_t, mbstate_t> and
3655 codecvt<char32_t, char8_t, mbstate_t> facets.
3656 * src/c++98/localename.cc: Likewise.
3657 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
3659 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
3661 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
3662 * 27_io/filesystem/operations/resize_file.cc: Likewise.
3663 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
3665 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
3667 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
3668 * doc/html/*: Regenerate.
3670 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
3671 * doc/html/*: Regenerate.
3673 * doc/xml/manual/intro.xml: Document LWG 2586 status.
3674 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
3675 allocator type in is_constructible checks.
3676 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
3677 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
3678 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
3679 problematic type from LWG 2586 discussion.
3680 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
3681 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
3683 * configure.ac: Check for C11 timespec_get function.
3684 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
3686 * config.h.in: Regenerate.
3687 * configure: Regenerate.
3688 * include/c_global/ctime (timespec, timespec_get): Add to namespace
3689 std for C++17 and up.
3691 * doc/xml/manual/intro.xml: Document LWG 2537 status.
3692 * include/bits/stl_queue.h
3693 (priority_queue(const Compare&, const Container&, const Alloc&))
3694 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
3696 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
3698 * doc/xml/manual/intro.xml: Document LWG 2566 status.
3699 * include/bits/stl_queue.h (queue, priority_queue): Add static
3700 assertions to enforce LWG 2566 requirement on value_type.
3701 * include/bits/stl_stack.h (stack): Likewise.
3704 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
3706 * doc/xml/manual/intro.xml: Document LWG 2735 status.
3707 * include/bits/std_abs.h: Add comment about LWG 2735.
3708 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
3710 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
3713 * include/std/version [__cpp_impl_destroying_delete]
3714 (__cpp_lib_destroying_delete): Only define for C++2a and later.
3715 * libsupc++/new [__cpp_impl_destroying_delete]
3716 (__cpp_lib_destroying_delete): Likewise.
3717 (destroying_delete_t, destroying_delete): Likewise, but define even
3718 when __cpp_impl_destroying_delete is not defined.
3719 * testsuite/18_support/destroying_delete.cc: New test.
3721 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
3724 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
3725 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
3726 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
3727 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
3729 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
3732 * include/bits/fs_path.h (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::has_stem, path::has_extension)
3736 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
3738 * src/c++17/fs_path.cc (path::has_root_name)
3739 (path::has_root_directory, path::has_root_path)
3740 (path::has_relative_path, path::has_parent_path)
3741 (path::has_filename, path::_M_find_extension): Add noexcept.
3743 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
3745 PR libstdc++/89102 (partial)
3746 * include/std/type_traits (common_type<>): Define.
3747 (common_type<T>): Derive from common_type<T, T>.
3748 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
3749 Test zero-length template argument list.
3750 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
3751 Test additional single argument cases.
3752 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
3753 Adjust expected error.
3755 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
3758 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
3760 * include/bits/stl_stack.h (stack): Likewise.
3761 * testsuite/23_containers/priority_queue/deduction.cc: New test.
3762 * testsuite/23_containers/queue/deduction.cc: New test.
3763 * testsuite/23_containers/stack/deduction.cc: New test.
3766 * include/std/type_traits (__is_convertible_helper)
3767 (__is_convertible_helper<_From, _To, false>): Revert changes to
3768 support is_nothrow_convertible.
3769 (__is_nt_convertible_helper): New helper.
3770 (is_nothrow_convertible): Use __is_nt_convertible_helper.
3772 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
3773 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
3776 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
3777 __is_alloc_insertable_impl. Replace single type member with two
3778 members, one for each of copy and move insertable.
3779 (__is_move_insertable): New trait for internal use.
3780 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
3781 (vector::_S_nothrow_relocate(true_type)): New functions to
3782 conditionally check if __relocate_a can throw.
3783 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
3784 on __is_move_insertable.
3785 (vector::_S_do_relocate): New overloaded functions to conditionally
3787 (vector::_S_relocate): New function that dispatches to _S_do_relocate
3788 based on _S_use_relocate.
3789 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3790 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
3791 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
3794 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
3795 parameter unnamed. Add message to static assertion.
3796 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3797 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
3800 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
3803 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
3805 (__is_bitwise_relocatable): ... to this.
3806 (__relocate_a_1): Adapt.
3807 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
3808 (__is_bitwise_relocatable): ... to this.
3810 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
3813 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
3814 final component as well as from _M_pathname. Append the dot using
3815 operator+= instead of only to _M_pathname.
3816 (path::_M_find_extension): Reformat slightly.
3817 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
3818 Add more test cases.
3820 2019-01-30 Ulrich Drepper <drepper@redhat.com>
3822 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
3824 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
3826 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
3827 constexpr specifiers from arg and proj.
3829 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
3830 __shared_ptr instantiations used by gcc4-compatible ABI.
3832 * include/experimental/forward_list (experimental::erase): Qualify
3834 * include/experimental/list (experimental::erase): Likewise.
3835 * include/std/forward_list (std::erase): Likewise.
3836 * include/std/list (std::erase): Likewise.
3838 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
3840 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
3841 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
3842 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
3843 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
3844 * testsuite/ext/array_allocator/26875.cc: Likewise.
3845 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
3846 * testsuite/util/replacement_memory_operators.h: Likewise.
3847 * testsuite/util/testsuite_allocator.h: Likewise.
3849 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
3850 normal mode vector, even for debug mode.
3851 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
3852 Define alias template for normal mode vector.
3854 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
3857 * config/locale/generic/c_locale.h (__convert_from_v)
3858 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3859 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3860 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
3861 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
3863 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
3866 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
3867 data member with static member function _S_use_relocate().
3868 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
3869 (vector::_M_default_append): Use _S_use_relocate() instead of
3872 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
3875 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
3878 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
3879 write to stderr instead of using printf.
3881 2019-01-21 Jakub Jelinek <jakub@redhat.com>
3884 * include/bits/char_traits.h (__constant_string_p,
3885 __constant_char_array_p): Use __builtin_is_constant_evaluated if
3888 2019-01-20 Ulrich Drepper <drepper@redhat.com>
3890 Implement C++20 P0600r1.
3891 * include/backward/hash_map: Add nodiscard attribute to empty.
3892 * include/backward/hash_set: Likewise.
3893 * backward/hashtable.h: Likewise.
3894 * include/bits/basic_string.h: Likewise.
3895 * include/bits/forward_list.h: Likewise.
3896 * include/bits/hashtable.h: Likewise.
3897 * include/bits/regex.h: Likewise.
3898 * include/bits/stl_deque.h: Likewise.
3899 * include/bits/stl_list.h: Likewise.
3900 * include/bits/stl_map.h: Likewise.
3901 * include/bits/stl_multimap.h: Likewise.
3902 * include/bits/stl_multiset.h: Likewise.
3903 * include/bits/stl_queue.h: Likewise.
3904 * include/bits/stl_set.h: Likewise.
3905 * include/bits/stl_stack.h: Likewise.
3906 * include/bits/stl_tree.h: Likewise.
3907 * include/bits/stl_vector.h: Likewise.
3908 * include/bits/unordered_map.h: Likewise.
3909 * include/bits/unordered_set.h: Likewise.
3910 * include/debug/array: Likewise.
3911 * include/experimental/any: Likewise.
3912 * include/experimental/bits/fs_path.h: Likewise.
3913 * include/experimental/internet: Likewise.
3914 * include/experimental/string_view: Likewise.
3915 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
3917 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
3919 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
3921 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
3923 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
3925 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
3927 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
3929 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
3931 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3932 info_fn_imps.hpp: Likewise.
3933 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
3934 left_child_next_sibling_heap_.hpp: Likewise.
3935 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
3937 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
3939 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
3941 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
3943 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
3945 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
3947 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
3949 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
3950 * include/ext/pb_ds/trie_policy.hpp: Likewise.
3951 * include/ext/rope: Likewise.
3952 * include/ext/slist: Likewise.
3953 * include/ext/vstring.h: Likewise.
3954 * include/profile/array: Likewise.
3955 * include/std/array: Likewise.
3956 * include/tr1/array: Likewise.
3957 * include/tr1/hashtable.h: Likewise.
3958 * include/tr1/regex: Likewise.
3959 * include/tr2/dynamic_bitset: Likewise.
3960 * include/bits/alloc_traits.h: Add nodiscard attribute to
3962 * include/experimental/memory_resource: Likewise.
3963 * include/ext/alloc_traits.h: Likewise.
3964 * include/ext/array_allocator.h: Likewise.
3965 * include/ext/bitmap_allocator.h: Likewise.
3966 * include/ext/debug_allocator.h: Likewise.
3967 * include/ext/extptr_allocator.h: Likewise.
3968 * include/ext/mt_allocator.h: Likewise.
3969 * include/ext/new_allocator.h: Likewise.
3970 * include/ext/pool_allocator.h: Likewise.
3971 * include/ext/throw_allocator.h: Likewise.
3972 * include/std/scoped_allocator: Likewise.
3973 * libsupc++/eh_alloc.cc: Likewise.
3974 * include/std/future: Add nodiscard attribute to async.
3975 * libsupc++/new: Add nodiscard attribute to new.
3977 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
3982 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
3983 * include/bits/shared_ptr.h
3984 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
3985 (allocate_shared): Change to use new tag type.
3986 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
3987 Declare new member function.
3988 (_Sp_alloc_shared_tag): Define new type.
3989 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
3990 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
3991 _Sp_make_shared_tag::_S_eq to check type_info.
3992 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
3993 Constrain to prevent being called with _Sp_alloc_shared_tag.
3994 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
3995 Replace constructor with ...
3996 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
3997 reference parameter so address of the new object can be returned to
3998 the caller. Obtain the allocator from the tag type.
3999 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
4000 constructor with ...
4001 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
4002 to the __shared_count constructor.
4003 (__allocate_shared): Change to use new tag type.
4004 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
4006 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
4008 * src/c++17/fs_ops.cc
4009 (equivalent(const path&, const path&, error_code&))
4010 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
4011 compare files instead of relying on incomplete info returned by stat.
4014 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
4015 if the path is already absolute.
4016 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
4017 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
4020 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
4021 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
4022 of filesystem::exists.
4023 (create_directories(const path&, error_code&)): Add assertions.
4024 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
4025 Add workaround for bug in _wstat for paths with trailing slash.
4026 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
4027 for expected behaviour on mingw.
4028 * testsuite/experimental/filesystem/operations/create_directories.cc:
4030 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
4031 "TMP" instead of "TMPDIR" and clean environment before each test. Do
4032 not test permissions on mingw targets.
4034 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
4036 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
4037 constructors and open members taking wide strings. Fix patterns for
4038 filesystem::path members to match wstring_view parameters. Add
4039 exports for shared_ptr members used by directory iterators.
4040 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
4041 error code parameter if the file doesn't exist.
4042 * src/filesystem/ops.cc (remove(const path&, error_code&)):
4044 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
4045 values for mingw targets, where "/" is not an absolute path. Do not
4046 test symlinks on mingw targets.
4047 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
4048 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
4050 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
4051 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
4052 that each component of the path is created.
4053 * testsuite/experimental/filesystem/operations/create_directories.cc:
4055 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
4056 permissions on mingw targets.
4057 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
4058 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
4059 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
4060 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
4062 * testsuite/experimental/filesystem/operations/permissions.cc:
4064 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
4065 symlinks or permissions on mingw targets.
4066 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
4067 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
4068 symlinks on mingw targets.
4069 * testsuite/experimental/filesystem/operations/remove_all.cc:
4071 * testsuite/27_io/filesystem/operations/status.cc: Do not test
4072 permissions on mingw targets.
4073 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
4074 test symlinks on mingw targets.
4075 * testsuite/experimental/filesystem/operations/space.cc: Fix test
4078 2019-02-14 Ulrich Drepper <drepper@redhat.com>
4081 Warn about unused comparisons of shared_ptr/unique_ptr
4082 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
4083 * include/bits/shared_ptr.h: Use it for operator ==, !=,
4084 <, <=, >, >= for shared_ptr.
4085 * include/bits/unique_ptr.h: Likewise for unique_ptr.
4087 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
4089 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
4090 as 201611L, because P0497R0 changes are supported.
4091 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
4093 * include/bits/erase_if.h [__cplusplus > 201703L]
4094 (__cpp_lib_erase_if): Only define for C++2a.
4095 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
4096 (__cpp_lib_null_iterators): Define.
4097 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
4098 (__cpp_lib_null_iterators): Define.
4099 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
4101 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
4103 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
4105 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
4106 changes are supported.
4107 * include/std/optional (__cpp_lib_optional): Likewise.
4108 * include/std/variant (__cpp_lib_variant): Likewise.
4109 * include/std/version [!__STRICT_ANSI__]
4110 (__cpp_lib_uncaught_exceptions): Define as long integer.
4111 [__cplusplus >= 201703L] (__cpp_lib_any)
4112 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
4113 (__cpp_lib_variant): Define for C++17.
4114 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
4116 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
4119 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
4121 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
4125 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
4127 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
4130 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
4132 * doc/xml/manual/intro.xml: Include new section.
4133 * doc/xml/manual/status_cxx2017.xml: Document more
4134 implementation-defined properties of the library.
4135 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
4136 * doc/html/*: Regenerate.
4138 * include/bits/refwrap.h [__cplusplus > 201703L]
4139 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
4140 (_Reference_wrapper_base_memfun): Do not define for C++2a.
4141 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
4143 (reference_wrapper::operator()): Add static assertion.
4144 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
4146 * include/std/chrono (duration_values::zero(), duration_values::min())
4147 (duration_values::max()): Add noexcept.
4148 (duration::zero(), duration::min(), duration::max()): Likewise.
4149 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
4150 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
4151 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
4153 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
4155 2019-01-11 Jakub Jelinek <jakub@redhat.com>
4157 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
4158 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
4160 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
4163 * include/bits/functional_hash.h (hash<nullptr_t>): Define
4164 specialization for C++17 (P0513R0, LWG 2817).
4165 * testsuite/20_util/hash/nullptr.cc: New test.
4168 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
4169 pattern for std::basic_stringbuf::str().
4171 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
4172 basic_ostream::operator<< patterns.
4174 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
4176 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
4177 test failures on targets with 32-bit time_t.
4179 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
4180 * include/std/deque: Likewise.
4181 * include/std/forward_list: Likewise.
4182 * include/std/list: Likewise.
4183 * include/std/string: Likewise.
4184 * include/std/vector: Likewise.
4185 * include/std/version: Likewise.
4186 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
4187 * testsuite/23_containers/deque/erasure.cc: Likewise.
4188 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
4189 * testsuite/23_containers/list/erasure.cc: Likewise.
4190 * testsuite/23_containers/map/erasure.cc: Likewise.
4191 * testsuite/23_containers/set/erasure.cc: Likewise.
4192 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
4193 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
4194 * testsuite/23_containers/vector/erasure.cc: Likewise.
4196 * include/experimental/internet [AI_NUMERICSERV]
4197 (resolver_base::numeric_service): Define conditionally.
4198 * testsuite/experimental/net/internet/resolver/base.cc: Test it
4200 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
4203 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
4204 Jonathan Wakely <jwakely@redhat.com>
4207 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
4208 (GLIBCXX_3.4.26): Add new exports.
4209 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
4210 correct list of sources.
4211 * include/Makefile.in: Regenerate.
4212 * include/std/ostream (operator<<(nullptr_t)): New member function.
4213 * src/c++17/ostream-inst.cc: New file.
4214 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
4217 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
4219 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
4220 of the source file containing the caller.
4221 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
4222 directories created by test.
4223 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4225 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4227 * testsuite/experimental/filesystem/iterators/
4228 recursive_directory_iterator.cc: Likewise.
4230 2019-01-10 Jakub Jelinek <jakub@redhat.com>
4232 PR tree-optimization/88775
4233 * include/bits/stl_function.h (greater<_Tp*>::operator(),
4234 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
4235 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
4236 instead of __builtin_constant_p if available. Don't bother with
4237 the pointer comparison in C++11 and earlier.
4239 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
4243 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
4246 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
4248 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
4249 for filesystem::path. Give variables more distinctive names.
4251 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
4252 member function to perform non-trivial assignment.
4253 (_Optional_payload_base::_M_move_assign): Likewise.
4254 (_Optional_payload<T, true, false, true>::operator=)
4255 (_Optional_payload<T, true, true, false>::operator=)
4256 (_Optional_payload<T, true, false, false>::operator=): Call
4257 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
4260 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
4261 test std::complex<long double> if long double format is IBM128.
4262 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
4265 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
4267 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
4268 for old std::unique_ptr layout.
4269 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
4270 to become valueless. Add filesystem::path tests.
4273 * include/std/optional (_Optional_payload_base): New class template
4274 for common code hoisted from _Optional_payload specializations. Use
4275 a template for the union, to allow a partial specialization for
4276 types with non-trivial destructors. Add constructors for in-place
4277 initialization to the union.
4278 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
4279 to perform non-trivial copy construction, instead of relying on
4280 non-standard copy elision in a delegating constructor.
4281 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
4282 non-trivial move construction.
4283 (_Optional_payload): Derive from _Optional_payload_base and use it
4284 for everything except the non-trivial assignment operators, which are
4286 (_Optional_payload<false, C, M>): Derive from the specialization
4287 _Optional_payload<true, false, false> and add a destructor.
4288 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
4289 Forward to corresponding members of _Optional_payload.
4290 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
4291 Hoist common members from _Optional_base.
4292 (_Optional_base): Make all members and base class public.
4293 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
4294 _Optional_base_impl.
4295 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
4296 support for new std::optional layout.
4297 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
4300 * include/bits/locale_conv.h: Use <> for includes not "".
4301 * include/ext/random: Likewise.
4302 * include/ext/vstring.h: Likewise.
4304 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4306 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
4307 (GLIBCXX_3.4.21): Likewise.
4309 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
4312 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
4313 to match the one that controls whether utimbuf and utime are declared.
4315 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
4318 * include/bits/char_traits.h (char_traits::move): Do not pass null
4319 pointers to memmove.
4320 * include/bits/locale_facets.h
4321 (ctype<char>::widen(const char*, const char*, char*)): Do not
4322 pass null pointers to memcpy.
4323 (ctype<char>::narrow(const char*, const char*, char, char*)):
4325 (ctype<char>::do_widen(const char*, const char*, char*)):
4327 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
4330 * doc/xml/manual/spine.xml: Update copyright years.
4331 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
4332 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
4333 for C++17 filesystem library.
4334 * doc/html/*: Regenerate.
4336 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
4337 * config.h.in: Regenerate.
4338 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
4339 alphabetically and add missing entries for copy_symlink,
4340 hard_link_count, rename, and resize_file.
4341 * configure: Regenerate.
4342 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
4343 used unconditionally.
4344 * src/filesystem/ops-common.h (__gnu_posix::truncate)
4345 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
4346 supports truncating to zero length.
4347 * testsuite/27_io/filesystem/operations/all.cc: New test.
4348 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
4350 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
4353 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
4354 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
4355 * config.h.in: Regenerate.
4356 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
4357 remaining std::filesystem types and functions.
4358 * configure: Regenerate.
4359 * src/c++17/Makefile.am: Add C++17 filesystem sources.
4360 * src/c++17/Makefile.in: Regenerate.
4361 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
4362 here, and change name of included file.
4363 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
4364 here, and change name of included file.
4365 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
4366 path to dir-common.h.
4367 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
4368 path to ops-common.h. Disable -Wunused-parameter warnings.
4369 (internal_file_clock): Define unconditionally.
4370 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
4372 (do_copy_file, do_space): Move definitions to ops.common.h.
4373 (copy, file_size, hard_link_count, last_write_time, space): Only
4374 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
4376 (last_write_time, read_symlink): Remove unused attributes from
4378 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
4379 * src/filesystem/Makefile.in: Regenerate.
4380 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
4381 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
4382 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
4383 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
4384 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
4385 dummy types and functions instead of using #error.
4386 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
4387 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
4389 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
4390 (do_copy_file, do_space): Move definitions here from std-ops.cc.
4391 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
4392 to account for new namespace.
4393 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
4394 -lstdc++fs from dg-options.
4395 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
4396 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
4397 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
4398 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
4399 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
4401 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
4402 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4404 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
4405 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
4406 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
4407 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
4408 * testsuite/27_io/filesystem/operations/create_directories.cc:
4410 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
4411 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
4412 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
4413 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
4414 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
4415 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
4416 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
4417 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
4418 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
4419 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
4420 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
4421 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
4422 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
4423 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
4424 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
4425 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
4426 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
4427 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
4429 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
4433 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
4434 typeinfo and vtables less greedy.
4435 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
4436 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
4437 * src/c++17/Makefile.in: Regenerate.
4438 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
4439 here, and change name of included file.
4440 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
4441 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
4443 * src/filesystem/Makefile.in: Regenerate.
4444 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
4445 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
4446 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
4447 from dg-options and remove dg-require-filesystem-ts.
4448 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
4449 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
4450 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
4451 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
4452 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
4453 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
4454 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
4455 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
4456 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
4457 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
4458 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
4459 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
4460 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
4461 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
4462 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
4463 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
4464 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
4465 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
4466 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
4467 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
4468 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
4470 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
4471 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
4472 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
4473 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
4474 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
4475 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
4476 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
4477 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
4478 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
4479 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
4480 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
4481 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
4483 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
4485 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4487 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
4489 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
4490 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
4491 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
4492 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
4493 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
4494 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
4495 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
4496 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
4497 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
4498 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
4500 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
4501 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
4502 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
4503 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
4504 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
4507 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
4508 Check is_trivially_copyable instead of is_scalar.
4509 (variant::emplace<N, Args>(Args&&...)): If construction of the new
4510 contained value can throw and its type is trivially copyable then
4511 construct into a temporary variant and move from it, to provide the
4512 strong exception safety guarantee.
4513 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
4515 * testsuite/20_util/variant/87431.cc: New test.
4516 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
4517 conversion causes valueless state.
4520 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
4521 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
4522 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
4523 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
4524 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
4526 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
4528 * include/bits/fs_fwd.h (__file_clock): Define new clock.
4529 (file_time_type): Redefine in terms of __file_clock.
4530 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
4532 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
4534 (internal_file_lock): New helper type for accessing __file_clock.
4535 (do_copy_file): Use internal_file_lock to convert system time to
4537 (last_write_time(const path&, error_code&)): Likewise.
4538 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
4540 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
4542 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
4543 for const member functions of std::basic_string.
4544 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
4546 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
4547 Make non-standard constructor private.
4548 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
4550 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
4551 explicit instantiations for C++17 as well as earlier dialects.
4552 * src/c++17/Makefile.am: Add new source files.
4553 * src/c++17/Makefile.in: Regenerate.
4554 * src/c++17/cow-string-inst.cc: New file defining explicit
4555 instantiations for basic_string member functions added in C++17.
4556 * src/c++17/string-inst.cc: Likewise.
4558 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
4559 copy/move constructors for old std::basic_string.
4560 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
4561 (basic_string::reference, basic_string::const_reference): Define
4562 as plain references for C++11 and later.
4563 (basic_string::basic_string()): Put constructor body outside
4564 preprocessor conditional groups.
4565 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
4566 instead of copying it.
4567 (basic_string::basic_string(const basic_string&, const _Alloc&)):
4569 (basic_string::basic_string(basic_string&&, const _Alloc&)):
4571 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
4572 cases for old basic_string.
4573 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
4574 allocator-extended constructors unconditionally. Add extra members to
4575 allocator type when using old string ABI.
4576 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
4578 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
4580 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
4581 -fno-inline added to test flags.
4583 * testsuite/21_strings/basic_string/requirements/
4584 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
4586 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
4587 assertion failures with old std::string ABI.
4589 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
4591 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
4592 functions that will only erase elements at the end.
4593 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
4594 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
4595 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
4597 (path::_List::pop_back()): Define.
4598 (path::_List::_M_erase_from(const_iterator)): Define.
4599 (path::operator/=(const path&)): Use pop_back to remove last component
4600 and _M_erase_from to remove multiple components.
4601 (path::_M_append(basic_string_view<value_type>)): Likewise.
4602 (path::operator+=(const path&)): Likewise.
4603 (path::_M_concat(basic_string_view<value_type>)): Likewise.
4604 (path::remove_filename()): Likewise.
4605 (path::lexically_normal()): Use _List::_Impl iterators instead of
4606 path::iterator. Use pop_back to remove components from the end. Clear
4607 trailing filename, instead of using erase(const_iterator) to remove
4608 a non-final component.
4609 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
4611 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
4613 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
4614 incorrect treatment of empty filename after trailing slash.
4615 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
4617 * testsuite/21_strings/basic_string/modifiers/assign/char/
4618 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
4620 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
4621 move_assign_optim.cc: Likewise.
4623 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4624 Jakub Jelinek <jakub@redhat.com>
4627 * include/experimental/memory: Replace UTF-8 quote characters.
4628 * include/std/future: Replace UTF-8 "em dash" characters.
4630 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
4633 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
4634 * include/debug/forward_list: Likewise.
4635 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
4637 * include/experimental/chrono: Likewise.
4638 * include/experimental/functional: Likewise.
4639 * include/experimental/ratio: Likewise.
4640 * include/experimental/system_error: Likewise.
4641 * include/experimental/tuple: Likewise.
4642 * include/experimental/type_traits: Likewise.
4643 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
4644 * include/parallel/multiseq_selection.h: Likewise.
4647 * config/abi/pre/gnu.ver: Add missing exports.
4648 * testsuite/22_locale/collate_byname/88681.cc: New test.
4649 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
4650 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
4652 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
4654 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
4655 initializer_list<value_type> and from input iterator ranges.
4656 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
4658 * testsuite/experimental/string_view/element_access/char/empty.cc:
4659 Fix year range in copyright header.
4661 2019-01-02 Joel Brobecker <brobecker@adacore.com>
4663 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
4664 Fix year range in copyright header.
4666 2019-01-01 Jakub Jelinek <jakub@redhat.com>
4668 Update copyright years.
4670 Copyright (C) 2019 Free Software Foundation, Inc.
4672 Copying and distribution of this file, with or without modification,
4673 are permitted in any medium without royalty provided the copyright
4674 notice and this notice are preserved.