libstdc++-v3/ChangeLog

   1 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
   4         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
   5
   6 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
   7
   8         PR libstdc++/85183
   9         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
  10         value categories.
  11         * testsuite/20_util/variant/85183.cc: New.
  12
  13 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
  14
  15         * include/std/variant (__get): Qualify calls to avoid ADL.
  16         (__select_index): Adjust whitespace.
  17         (variant): Add using-declaration to workaround Clang bug.
  18
  19 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
  20
  21         PR libstdc++/85040
  22         * include/bits/stl_function.h (greater::__not_overloaded)
  23         (less::__not_overloaded, greater_equal::__not_overloaded)
  24         (less_equal::__not_overloaded): Fix ambiguous specializations.
  25         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
  26         tests for type with overloaded operators.
  27
  28 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
  29
  30         PR libstdc++/77691
  31         * testsuite/experimental/memory_resource/resource_adaptor.cc:
  32         xfail execution on 32-bit Solaris/x86.
  33
  34 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
  35
  36         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
  37         VERIFY instead of assert.
  38         * testsuite/20_util/hash/84998.cc: New test.
  39         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
  40         copy of test adjusted for Debug Mode.
  41         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
  42         test in Debug Mode.
  43
  44 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
  45
  46         PR libstdc++/84998
  47         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
  48         * include/std/bitset: Likewise.
  49         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
  50         declaration.
  51         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
  52         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
  53         * include/bits/stl_set.h (std::set<>): Likewise.
  54         * include/bits/unordered_map.h (std::unordered_map<>): Fix
  55         _Hash_merge_helper friend declaration.
  56         (std::unordered_multimap<>): Likewise.
  57         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
  58         (std::unordered_multiset<>): Likewise.
  59
  60 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
  61
  62         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
  63         trailing slash for domain level link.
  64         * doc/xml/faq.xml: Ditto.
  65         * doc/xml/manual/appendix_free.xml (software): Ditto.
  66         * doc/xml/manual/intro.xml: Ditto.
  67         * doc/xml/manual/spine.xml: Ditto.
  68         * doc/xml/spine.xml: Ditto.
  69
  70 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
  71
  72         * doc/xml/manual/documentation_hacking.xml: Adjust link to
  73         docbook.org.
  74
  75 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
  76
  77         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
  78         to compile as C++98.
  79
  80 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
  81
  82         PR libstdc++/78420
  83         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
  84         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
  85         to ensure total order for pointers.
  86         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
  87         Add operator() overloads for pointer arguments and make generic
  88         overloads dispatch to new _S_cmp functions when comparisons would
  89         use built-in operators for pointers.
  90         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
  91
  92 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
  93
  94         PR libstdc++/84773
  95         PR libstdc++/83662
  96         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
  97         * configure: Regenerate.
  98         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
  99         (aligned_alloc): Add using-declaration.
 100         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
 101
 102 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
 103
 104         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
 105         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
 106         registration.
 107
 108 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
 109
 110         PR libstdc++/84769
 111         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
 112         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
 113
 114         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
 115         src/filesystem/std-ops.cc (create_dir): Likewise.
 116
 117 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
 118
 119         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
 120         (StdListIteratorPrinter): Inherit from latter.
 121         (StdFwdListIteratorPrinter): New, inherit from latter.
 122         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
 123         when iterator has no associated container.
 124         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
 125         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
 126         registrations.
 127         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
 128         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
 129
 130 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
 131
 132         PR libstdc++/84601
 133         * include/std/optional (_Optional_payload): Split into multiple
 134         specializations that can handle different cases of trivial or
 135         non-trivial assignment operators.
 136         * testsuite/20_util/optional/84601.cc: New.
 137         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
 138
 139 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
 140
 141         PR libstdc++/84671
 142         * include/bits/parse_numbers.h (_Number_help): Add partial
 143         specialization to handle digit separators. Adjust partial
 144         specialization for recursion temrination to require _Pow == 1ULL.
 145         * testsuite/20_util/duration/literals/84671.cc: New
 146
 147 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
 148
 149         Implement the missing bits of LWG 2769
 150         * include/std/any (any_cast(const any&)): Add static_assert.
 151         (any_cast(any&)): Likewise.
 152         (any_cast(any&&)): Likewise, and remove the handling
 153         for copyable-but-not-movable type.
 154         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
 155         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
 156         add new tests.
 157
 158 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
 159
 160         PR libstdc++/84532
 161         * include/std/thread (thread::__make_invoker): Construct tuple
 162         directly instead of using make_tuple.
 163         * testsuite/30_threads/async/84532.cc: New.
 164         * testsuite/30_threads/thread/84532.cc: New.
 165
 166 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
 167
 168         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
 169         (template<> __aligned_buffer): Define as __aligned_membuf alias.
 170
 171 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 172
 173         PR target/84148
 174         * configure: Regenerate.
 175
 176 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
 177
 178         PR libstdc++/81797
 179         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
 180         * configure: Regenerate.
 181         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
 182         defined.
 183         * include/Makefile.in: Regenerate.
 184
 185 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
 186
 187         PR libstdc++/83833
 188         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
 189         Add -ffloat-store to options for m68k and ia32.
 190
 191         * doc/xml/faq.xml: Update copyright years.
 192         * doc/html/*: Regenerate.
 193
 194         PR libstdc++/83658
 195         * include/std/any (any::__do_emplace): Only set _M_manager after
 196         constructing the contained object.
 197         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
 198         * testsuite/20_util/any/modifiers/83658.cc: New test.
 199
 200 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
 201
 202         PR libstdc++/81076
 203         * include/c_global/cstddef (__byte_operand): Define primary template.
 204         * testsuite/18_support/byte/81076.cc: New test.
 205
 206 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
 207
 208         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
 209         dg-options and dg-add-options order.
 210         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
 211         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
 212         Likewise.
 213         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
 214         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
 215         Likewise.
 216         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
 217         Likewise.
 218         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
 219         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
 220         Likewise.
 221         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
 222         Likewise.
 223         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
 224         Likewise.
 225         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
 226         Likewise.
 227         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
 228         Likewise.
 229         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
 230         Likewise.
 231         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
 232         Likewise.
 233         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
 234         Likewise.
 235         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
 236         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
 237         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
 238         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
 239         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
 240         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
 241         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
 242         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
 243         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
 244         Likewise.
 245         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
 246         Likewise.
 247         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
 248         Likewise.
 249         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
 250         Likewise.
 251
 252 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
 253
 254         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
 255         include linux/types.h when checking linux/random.h header.
 256         * config.h.in: Regenerate.
 257         * configure: Ditto.
 258         * src/c++11/random.cc: Conditionally include linux/types.h.
 259
 260 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
 261
 262         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
 263
 264 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
 265
 266         PR libstdc++/83834
 267         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
 268         pattern with exact match for std::cerr.
 269
 270 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
 271
 272         PR libstdc++/83833
 273         * include/bits/random.h (chi_squared_distribution::param): Update
 274         gamma distribution parameter.
 275         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
 276         test.
 277
 278         PR libstdc++/83830
 279         * include/std/type_traits (has_unique_object_representations_v): Add
 280         variable template.
 281         * testsuite/20_util/has_unique_object_representations/value.cc: Check
 282         variable template.
 283
 284 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
 285
 286         Make optional conditionally
 287         trivially_{copy,move}_{constructible,assignable}
 288         * include/std/optional (_Optional_payload): Fix the comment in
 289         the class head and turn into a primary and one specialization.
 290         (_Optional_payload::_M_engaged): Strike the NSDMI.
 291         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
 292         New.
 293         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
 294         Likewise.
 295         (_Optional_payload<_Tp, false>::_M_get): Likewise.
 296         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
 297         (_Optional_base_impl): Likewise.
 298         (_Optional_base): Turn into a primary and three specializations.
 299         (optional(nullopt)): Change the base init.
 300         * testsuite/20_util/optional/assignment/8.cc: New.
 301         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
 302         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
 303
 304 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
 305
 306         PR libstdc++/80276
 307         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
 308         (get_template_arg_list): New.
 309         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
 310         instead.
 311         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
 312         of strings and regular expressions.
 313         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
 314         (FilteringTypePrinter): Add docstring. Match using startswith. Use
 315         strip_inline_namespaces instead of strip_versioned_namespace.
 316         (add_one_type_printer): Prepend namespace to match argument.
 317         (register_type_printers): Add type printers for char16_t and char32_t
 318         string types and for types using cxx11 ABI. Update calls to
 319         add_one_template_type_printer to provide default argument dicts.
 320         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
 321         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
 322         basic_string<unsigned char> and basic_string<signed char>.
 323         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
 324         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
 325
 326 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
 327
 328         PR libstdc++/81092
 329         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
 330
 331 2018-01-13  Tim Shen  <timshen@google.com>
 332
 333         PR libstdc++/83601
 334         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
 335         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
 336         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
 337
 338 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 339
 340         PR libstdc++/64054
 341         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
 342         Remove dg-xfail-run-if.
 343
 344 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
 345
 346         * include/bits/forward_list.h
 347         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
 348         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
 349         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
 350         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
 351         (_Fwd_list_impl()): Add noexcept qualification.
 352         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
 353         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
 354         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
 355         (_Fwd_list_base()): Default.
 356         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
 357         (_Fwd_list_base(_Fwd_list_base&&)): Default.
 358         (forward_list<>()): Default.
 359         (forward_list<>(forward_list&&)): Default.
 360         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
 361         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
 362         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
 363         * include/bits/forward_list.tcc
 364         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
 365         _M_impl._M_head move assignment.
 366         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
 367         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
 368
 369 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
 370
 371         PR libstdc++/80276
 372         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
 373         (UniquePointerPrinter): Print correct template argument, not type of
 374         the pointer.
 375         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
 376         a type.
 377         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
 378         array type.
 379         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
 380         weak_ptr of array types.
 381
 382 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
 383
 384         PR libstdc++/83709
 385         * include/bits/hashtable_policy.h
 386         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
 387         __first != __last.
 388         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
 389         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
 390         Add false_type parameter.
 391         (_Insert_base::insert): Adapt.
 392         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
 393         Adapt.
 394         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
 395          Add __n_elt parameter, defaulted to 1.
 396         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
 397         policy _M_need_rehash.
 398         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
 399         produce only 1 rehash if necessary.
 400         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
 401         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
 402
 403 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
 404             Jonathan Wakely  <jwakely@redhat.com>
 405
 406         PR libstdc++/59253 (partial)
 407         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
 408         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
 409         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
 410         children.
 411         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
 412         of unique_ptr printer.
 413         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
 414         output of shared_ptr printer.
 415
 416 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
 417
 418         PR libstdc++/83626
 419         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
 420         unnecessary symlink_status call.
 421         (remove_all(const path&, error_code&)): Use filesystem::remove.
 422         * src/filesystem/std-ops.cc: Likewise.
 423
 424         PR libstdc++/83279
 425         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
 426         sendfile.
 427
 428         PR libstdc++/83626
 429         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
 430         report an error for ENOENT.
 431         (remove_all(const path&)): Fix type of result variable.
 432         (remove_all(const path&, error_code&)): Use non-throwing increment
 433         for directory iterator. Call POSIX remove directly to avoid redundant
 434         calls to symlink_status. Do not report errors for ENOENT.
 435         * src/filesystem/std-ops.cc: Likewise.
 436         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
 437         overload.
 438         * testsuite/experimental/filesystem/operations/remove_all.cc:
 439         Likewise.
 440
 441 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
 442
 443         PR libstdc++/83626
 444         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
 445         redundant call to ec.clear().
 446         (remove_all(const path&, error_code&))): Do not return an error for
 447         non-existent paths.
 448         * src/filesystem/std-ops.cc: Likewise.
 449         * testsuite/27_io/filesystem/operations/remove.cc: New test.
 450         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
 451         results for non-existent paths.
 452         * testsuite/experimental/filesystem/operations/remove.cc: New test.
 453         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
 454         expected results for non-existent paths.
 455
 456         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
 457         check status_known once.
 458         * include/experimental/bits/fs_ops.h: Likewise.
 459
 460         PR libstdc++/83607
 461         * include/std/functional (__is_byte_like): New trait.
 462         (__is_std_equal_to): Remove.
 463         (__boyer_moore_base_t): Use __is_byte_like instead of
 464         __is_std_equal_to.
 465         * include/experimental/functional (__is_std_equal_to): Remove.
 466         (__boyer_moore_base_t): Use __is_byte_like instead of
 467         __is_std_equal_to.
 468         * testsuite/20_util/function_objects/83607.cc: New test.
 469
 470 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
 471
 472         Protect optional's deduction guide with the feature macro
 473         * include/std/optional: Use the feature macro.
 474
 475 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 476
 477         Update copyright years.
 478 \f
 479 Copyright (C) 2018 Free Software Foundation, Inc.
 480
 481 Copying and distribution of this file, with or without modification,
 482 are permitted in any medium without royalty provided the copyright
 483 notice and this notice are preserved.