libstdc++-v3/ChangeLog

   1 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
   2
   3         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
   4         * include/debug/functions.h (__check_valid_range): Use latter.
   5         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
   6         use latter.
   7         * include/debug/deque
   8         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
   9         * include/debug/forward_list
  10         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
  11         Likewise.
  12         * include/debug/list
  13         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
  14         * include/debug/list
  15         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
  16         * include/debug/map.h
  17         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
  18         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
  19         Likewise.
  20         * include/debug/multimap.h
  21         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
  22         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
  23         const _Alloc&)): Likewise.
  24         * include/debug/set.h
  25         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
  26         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
  27         Likewise.
  28         * include/debug/multiset.h
  29         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
  30         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
  31         const _Alloc&)): Likewise.
  32         * include/debug/string
  33         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
  34         Likewise.
  35         * include/debug/unordered_map
  36         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
  37         Likewise.
  38         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
  39         const _Alloc&)): Likewise.
  40         * include/debug/unordered_set
  41         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
  42         Likewise.
  43         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
  44         const _Alloc&)): Likewise.
  45         * include/debug/vector
  46         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
  47
  48         * include/debug/formatter.h (_Error_formatter::_M_function): New.
  49         (_Error_formatter(const char*, unsigned int)): Adapt.
  50         (_Error_formatter::_M_at): Rename in...
  51         (_Error_formatter::_S_at): ...that and adapt.
  52         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
  53         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
  54         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
  55         when available.
  56
  57 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
  58
  59         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
  60         Use normal std::vector even in Debug Mode.
  61
  62         PR libstdc++/85672
  63         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
  64         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
  65         * include/Makefile.in: Regenerate.
  66         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
  67         within conditional block.
  68
  69 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
  70
  71         * doc/xml/manual/using.xml (table.cmd_options): Document that the
  72         C++17 Filesystem implementation also needs -lstdc++fs.
  73
  74         PR libstdc++/85671
  75         * include/bits/fs_path.h (operator/): Permit copy elision.
  76         * include/experimental/bits/fs_path.h (operator/): Likewise.
  77
  78 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
  79
  80         Moar PR libstdc++/80506
  81         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
  82         Fix magic number used in loop condition.
  83
  84 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
  85
  86         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
  87         * include/std/optional (_Optional_payload): Add noexcept to default
  88         constructor. Re-indent.
  89         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
  90         constructor for copying disengaged payloads.
  91         (_Optional_payload<_Tp, true, false, true>): Likewise.
  92         (_Optional_payload<_Tp, true, true, false>): Likewise.
  93         (_Optional_payload<_Tp, true, false, false>): Likewise.
  94         * testsuite/20_util/optional/cons/85642.cc: New.
  95         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
  96
  97 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
  98
  99         PR libstdc++/82644
 100         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
 101         inline definitions instead of using-declarations.
 102         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
 103         * testsuite/tr1/5_numerical_facilities/special_functions/
 104         07_conf_hyperg/compile_cxx17.cc: New.
 105         * testsuite/tr1/5_numerical_facilities/special_functions/
 106         17_hyperg/compile_cxx17.cc: New.
 107
 108         PR libstdc++/84769
 109         * include/std/variant (visit): Qualify std::get call.
 110
 111         PR libstdc++/85632 use uintmax_t for arithmetic
 112         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
 113         arithmetic in result type.
 114         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
 115         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
 116         is greater than free space.
 117         * testsuite/experimental/filesystem/operations/space.cc: New.
 118
 119         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
 120         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
 121         New.
 122         * testsuite/20_util/remove_cvref/value.cc: New.
 123         * testsuite/20_util/remove_cvref/value_ext.cc: New.
 124
 125         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
 126         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
 127         (append(const basic_string&, size_type, size_type)
 128         (assign(const basic_string&, size_type, size_type)
 129         (insert(size_type, const basic_string&, size_type, size_type)
 130         (replace(size_type,size_type,const basic_string&,size_type,size_type)
 131         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
 132         Add default arguments (LWG 2268).
 133         [_GLIBCXX_USE_CXX11_ABI=0]
 134         (append(const basic_string&, size_type, size_type)
 135         (assign(const basic_string&, size_type, size_type)
 136         (insert(size_type, const basic_string&, size_type, size_type)
 137         (replace(size_type,size_type,const basic_string&,size_type,size_type)
 138         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
 139         Likewise.
 140         * testsuite/21_strings/basic_string/dr2268.cc: New test.
 141
 142         PR libstdc++/84535
 143         * include/std/thread (thread::__not_same): New SFINAE helper.
 144         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
 145         first argument is not a std::thread. Add static assertion to check
 146         INVOKE expression is valid.
 147         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
 148         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
 149         __invoke_result for return types and remove exception specifications.
 150         * testsuite/30_threads/thread/cons/84535.cc: New.
 151
 152         * include/std/future (__async_result_of): Use __invoke_result instead
 153         of result_of.
 154
 155         * include/std/any (any_cast): Use __remove_cvref_t.
 156         * include/std/tuple (__make_tuple): Likewise.
 157         * include/std/type_traits (__remove_cvref_t): Define.
 158         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
 159         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
 160         * include/std/variant (__erased_hash): Use __remove_cvref_t.
 161
 162 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
 163
 164         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
 165         ensure overloaded comma not used.
 166         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
 167         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
 168         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
 169         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
 170         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
 171         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
 172         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
 173
 174 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
 175
 176         PR libstdc++/68197
 177         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
 178         indices to unsigned.
 179         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
 180         as failure. Refactor error handling.
 181         * testsuite/27_io/ios_base/storage/68197.cc: New.
 182
 183         PR libstdc++/57997
 184         PR libstdc++/83860
 185         * include/bits/gslice_array.h (gslice_array): Define default
 186         constructor as deleted, as per C++11 standard.
 187         * include/bits/mask_array.h (mask_array): Likewise.
 188         * include/bits/slice_array.h (slice_array): Likewise.
 189         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
 190         to namespace __detail.
 191         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
 192         members.
 193         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
 194         of data members in closure objects.
 195         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
 196         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
 197         __detail.
 198         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
 199         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
 200         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
 201         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
 202         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
 203         using-declarations to namespace std.
 204         * testsuite/26_numerics/valarray/83860.cc: New.
 205
 206         * testsuite/backward/strstream_move.cc: Remove duplicate function
 207         call.
 208
 209         PR libstdc++/69608
 210         * include/backward/strstream (strstreambuf): Define move constructor
 211         and move assignment operator.
 212         (istrstream, ostrstream, strstream): Likewise.
 213         * testsuite/backward/strstream_move.cc: New.
 214
 215 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
 216
 217         PR libstdc++/84654
 218         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
 219         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
 220         * configure: Regenerate.
 221         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
 222         based on ENABLE_FLOAT128.
 223         * include/Makefile.in: Regenerate.
 224         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
 225         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
 226         _GLIBCXX_USE_FLOAT128.
 227
 228 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 229
 230         * configure: Regenerated.
 231
 232 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 233
 234         * configure: Regenerated.
 235
 236 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
 237             Jakub Jelinek  <jakub@redhat.com>
 238
 239         PR libstdc++/85442
 240         * src/c++11/Makefile.am: Don't generate debuginfo again for
 241         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
 242         * src/c++11/Makefile.in: Regenerate.
 243
 244 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
 245
 246         PR libstdc++/84442
 247         * testsuite/30_threads/thread/cons/terminate.cc
 248         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
 249
 250 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 251
 252         PR jit/85384
 253         * configure: Regenerate.
 254
 255 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
 256
 257         * testsuite/experimental/filesystem/file_status/1.cc: Add
 258         -DUSE_FILESYSTEM_TS to dg-options.
 259         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
 260         Likewise.
 261         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
 262         * testsuite/experimental/filesystem/iterators/
 263         recursive_directory_iterator.cc: Likewise.
 264         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
 265         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
 266         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
 267         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
 268         * testsuite/experimental/filesystem/operations/create_directories.cc:
 269         Likewise.
 270         * testsuite/experimental/filesystem/operations/create_directory.cc:
 271         Likewise.
 272         * testsuite/experimental/filesystem/operations/create_symlink.cc:
 273         Likewise.
 274         * testsuite/experimental/filesystem/operations/current_path.cc:
 275         Likewise.
 276         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
 277         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
 278         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
 279         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
 280         * testsuite/experimental/filesystem/operations/last_write_time.cc:
 281         Likewise.
 282         * testsuite/experimental/filesystem/operations/permissions.cc:
 283         Likewise.
 284         * testsuite/experimental/filesystem/operations/read_symlink.cc:
 285         Likewise.
 286         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
 287         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
 288         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
 289         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
 290         Likewise.
 291         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
 292         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
 293         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
 294         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
 295         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
 296         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
 297         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
 298         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
 299         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
 300         * testsuite/experimental/filesystem/path/construct/default.cc:
 301         Likewise.
 302         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
 303         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
 304         * testsuite/experimental/filesystem/path/construct/string_view.cc:
 305         Likewise.
 306         * testsuite/experimental/filesystem/path/decompose/extension.cc:
 307         Likewise.
 308         * testsuite/experimental/filesystem/path/decompose/filename.cc:
 309         Likewise.
 310         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
 311         Likewise.
 312         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
 313         Likewise.
 314         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
 315         Likewise.
 316         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
 317         Likewise.
 318         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
 319         Likewise.
 320         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
 321         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
 322         Likewise.
 323         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
 324         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
 325         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
 326         Likewise.
 327         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
 328         Likewise.
 329         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
 330         Likewise.
 331         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
 332         Likewise.
 333         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
 334         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
 335         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
 336         Likewise.
 337         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
 338         * testsuite/experimental/filesystem/path/query/has_extension.cc:
 339         Likewise.
 340         * testsuite/experimental/filesystem/path/query/has_filename.cc:
 341         Likewise.
 342         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
 343         Likewise.
 344         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
 345         Likewise.
 346         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
 347         Likewise.
 348         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
 349         Likewise.
 350         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
 351         Likewise.
 352         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
 353         * testsuite/experimental/filesystem/path/query/is_relative.cc:
 354         Likewise.
 355
 356 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
 357
 358         * src/c++11/Makefile.am: Fix sed command.
 359         * src/c++11/Makefile.in: Regenerate.
 360
 361         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
 362         handle mangled names starting with double underscores on darwin.
 363         * src/c++11/Makefile.in: Regenerate.
 364
 365 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
 366
 367         * src/c++11/Makefile.am: Fix comment.
 368         * src/c++11/Makefile.in: Regenerate.
 369         * src/c++11/cxx11-ios_failure.cc: Fix comment.
 370         * src/c++98/ios_failure.cc: Likewise.
 371
 372         * src/c++11/ios.cc: Remove redundant macro definition.
 373
 374 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
 375
 376         * doc/xml/manual/abi.xml: Document header locations in recent
 377         releases.
 378         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
 379         * doc/xml/manual/spine.xml: Update copyright years.
 380         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
 381         undefined behaviour.
 382         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
 383         * doc/html/*: Regenerate.
 384
 385 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
 386
 387         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
 388         * doc/xml/manual/backwards_compatibility.xml: Likewise.
 389         * doc/xml/manual/containers.xml: Likewise.
 390         * doc/xml/manual/debug_mode.xml: Likewise.
 391         * doc/xml/manual/extensions.xml: Likewise.
 392         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
 393         * doc/xml/manual/using.xml: Likewise.
 394         * doc/xml/manual/utilities.xml: Likewise.
 395
 396         PR libstdc++/85222
 397         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
 398         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
 399         * src/c++11/Makefile.in: Regenerate.
 400         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
 401         New types.
 402         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
 403         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
 404         * src/c++98/ios_failure.cc (__construct_ios_failure)
 405         (__destroy_ios_failure, is_ios_failure_handler): New functions.
 406         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
 407         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
 408         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
 409         handler types, to always catch std::ios_base::failure.
 410         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
 411         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
 412         exceptions_failbit.cc: Likewise.
 413         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
 414         exceptions_failbit.cc: Likewise.
 415         * testsuite/27_io/basic_istream/extractors_other/char/
 416         exceptions_null.cc: Likewise.
 417         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
 418         exceptions_null.cc: Likewise.
 419         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
 420         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
 421         * testsuite/27_io/basic_ostream/inserters_other/char/
 422         exceptions_null.cc: Likewise.
 423         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
 424         exceptions_null.cc: Likewise.
 425         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
 426
 427 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
 428
 429         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
 430         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
 431
 432 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
 433
 434         PR libstdc++/85183
 435         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
 436         value categories.
 437         * testsuite/20_util/variant/85183.cc: New.
 438
 439 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
 440
 441         * include/std/variant (__get): Qualify calls to avoid ADL.
 442         (__select_index): Adjust whitespace.
 443         (variant): Add using-declaration to workaround Clang bug.
 444
 445 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
 446
 447         PR libstdc++/85040
 448         * include/bits/stl_function.h (greater::__not_overloaded)
 449         (less::__not_overloaded, greater_equal::__not_overloaded)
 450         (less_equal::__not_overloaded): Fix ambiguous specializations.
 451         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
 452         tests for type with overloaded operators.
 453
 454 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 455
 456         PR libstdc++/77691
 457         * testsuite/experimental/memory_resource/resource_adaptor.cc:
 458         xfail execution on 32-bit Solaris/x86.
 459
 460 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
 461
 462         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
 463         VERIFY instead of assert.
 464         * testsuite/20_util/hash/84998.cc: New test.
 465         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
 466         copy of test adjusted for Debug Mode.
 467         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
 468         test in Debug Mode.
 469
 470 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
 471
 472         PR libstdc++/84998
 473         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
 474         * include/std/bitset: Likewise.
 475         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
 476         declaration.
 477         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
 478         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
 479         * include/bits/stl_set.h (std::set<>): Likewise.
 480         * include/bits/unordered_map.h (std::unordered_map<>): Fix
 481         _Hash_merge_helper friend declaration.
 482         (std::unordered_multimap<>): Likewise.
 483         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
 484         (std::unordered_multiset<>): Likewise.
 485
 486 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
 487
 488         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
 489         trailing slash for domain level link.
 490         * doc/xml/faq.xml: Ditto.
 491         * doc/xml/manual/appendix_free.xml (software): Ditto.
 492         * doc/xml/manual/intro.xml: Ditto.
 493         * doc/xml/manual/spine.xml: Ditto.
 494         * doc/xml/spine.xml: Ditto.
 495
 496 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
 497
 498         * doc/xml/manual/documentation_hacking.xml: Adjust link to
 499         docbook.org.
 500
 501 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
 502
 503         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
 504         to compile as C++98.
 505
 506 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
 507
 508         PR libstdc++/78420
 509         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
 510         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
 511         to ensure total order for pointers.
 512         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
 513         Add operator() overloads for pointer arguments and make generic
 514         overloads dispatch to new _S_cmp functions when comparisons would
 515         use built-in operators for pointers.
 516         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
 517
 518 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
 519
 520         PR libstdc++/84773
 521         PR libstdc++/83662
 522         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
 523         * configure: Regenerate.
 524         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
 525         (aligned_alloc): Add using-declaration.
 526         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
 527
 528 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
 529
 530         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
 531         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
 532         registration.
 533
 534 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
 535
 536         PR libstdc++/84769
 537         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
 538         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
 539
 540         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
 541         src/filesystem/std-ops.cc (create_dir): Likewise.
 542
 543 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
 544
 545         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
 546         (StdListIteratorPrinter): Inherit from latter.
 547         (StdFwdListIteratorPrinter): New, inherit from latter.
 548         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
 549         when iterator has no associated container.
 550         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
 551         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
 552         registrations.
 553         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
 554         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
 555
 556 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
 557
 558         PR libstdc++/84601
 559         * include/std/optional (_Optional_payload): Split into multiple
 560         specializations that can handle different cases of trivial or
 561         non-trivial assignment operators.
 562         * testsuite/20_util/optional/84601.cc: New.
 563         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
 564
 565 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
 566
 567         PR libstdc++/84671
 568         * include/bits/parse_numbers.h (_Number_help): Add partial
 569         specialization to handle digit separators. Adjust partial
 570         specialization for recursion temrination to require _Pow == 1ULL.
 571         * testsuite/20_util/duration/literals/84671.cc: New
 572
 573 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
 574
 575         Implement the missing bits of LWG 2769
 576         * include/std/any (any_cast(const any&)): Add static_assert.
 577         (any_cast(any&)): Likewise.
 578         (any_cast(any&&)): Likewise, and remove the handling
 579         for copyable-but-not-movable type.
 580         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
 581         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
 582         add new tests.
 583
 584 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
 585
 586         PR libstdc++/84532
 587         * include/std/thread (thread::__make_invoker): Construct tuple
 588         directly instead of using make_tuple.
 589         * testsuite/30_threads/async/84532.cc: New.
 590         * testsuite/30_threads/thread/84532.cc: New.
 591
 592 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
 593
 594         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
 595         (template<> __aligned_buffer): Define as __aligned_membuf alias.
 596
 597 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 598
 599         PR target/84148
 600         * configure: Regenerate.
 601
 602 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
 603
 604         PR libstdc++/81797
 605         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
 606         * configure: Regenerate.
 607         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
 608         defined.
 609         * include/Makefile.in: Regenerate.
 610
 611 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
 612
 613         PR libstdc++/83833
 614         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
 615         Add -ffloat-store to options for m68k and ia32.
 616
 617         * doc/xml/faq.xml: Update copyright years.
 618         * doc/html/*: Regenerate.
 619
 620         PR libstdc++/83658
 621         * include/std/any (any::__do_emplace): Only set _M_manager after
 622         constructing the contained object.
 623         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
 624         * testsuite/20_util/any/modifiers/83658.cc: New test.
 625
 626 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
 627
 628         PR libstdc++/81076
 629         * include/c_global/cstddef (__byte_operand): Define primary template.
 630         * testsuite/18_support/byte/81076.cc: New test.
 631
 632 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
 633
 634         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
 635         dg-options and dg-add-options order.
 636         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
 637         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
 638         Likewise.
 639         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
 640         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
 641         Likewise.
 642         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
 643         Likewise.
 644         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
 645         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
 646         Likewise.
 647         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
 648         Likewise.
 649         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
 650         Likewise.
 651         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
 652         Likewise.
 653         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
 654         Likewise.
 655         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
 656         Likewise.
 657         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
 658         Likewise.
 659         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
 660         Likewise.
 661         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
 662         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
 663         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
 664         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
 665         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
 666         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
 667         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
 668         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
 669         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
 670         Likewise.
 671         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
 672         Likewise.
 673         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
 674         Likewise.
 675         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
 676         Likewise.
 677
 678 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
 679
 680         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
 681         include linux/types.h when checking linux/random.h header.
 682         * config.h.in: Regenerate.
 683         * configure: Ditto.
 684         * src/c++11/random.cc: Conditionally include linux/types.h.
 685
 686 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
 687
 688         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
 689
 690 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
 691
 692         PR libstdc++/83834
 693         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
 694         pattern with exact match for std::cerr.
 695
 696 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
 697
 698         PR libstdc++/83833
 699         * include/bits/random.h (chi_squared_distribution::param): Update
 700         gamma distribution parameter.
 701         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
 702         test.
 703
 704         PR libstdc++/83830
 705         * include/std/type_traits (has_unique_object_representations_v): Add
 706         variable template.
 707         * testsuite/20_util/has_unique_object_representations/value.cc: Check
 708         variable template.
 709
 710 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
 711
 712         Make optional conditionally
 713         trivially_{copy,move}_{constructible,assignable}
 714         * include/std/optional (_Optional_payload): Fix the comment in
 715         the class head and turn into a primary and one specialization.
 716         (_Optional_payload::_M_engaged): Strike the NSDMI.
 717         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
 718         New.
 719         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
 720         Likewise.
 721         (_Optional_payload<_Tp, false>::_M_get): Likewise.
 722         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
 723         (_Optional_base_impl): Likewise.
 724         (_Optional_base): Turn into a primary and three specializations.
 725         (optional(nullopt)): Change the base init.
 726         * testsuite/20_util/optional/assignment/8.cc: New.
 727         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
 728         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
 729
 730 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
 731
 732         PR libstdc++/80276
 733         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
 734         (get_template_arg_list): New.
 735         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
 736         instead.
 737         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
 738         of strings and regular expressions.
 739         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
 740         (FilteringTypePrinter): Add docstring. Match using startswith. Use
 741         strip_inline_namespaces instead of strip_versioned_namespace.
 742         (add_one_type_printer): Prepend namespace to match argument.
 743         (register_type_printers): Add type printers for char16_t and char32_t
 744         string types and for types using cxx11 ABI. Update calls to
 745         add_one_template_type_printer to provide default argument dicts.
 746         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
 747         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
 748         basic_string<unsigned char> and basic_string<signed char>.
 749         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
 750         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
 751
 752 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
 753
 754         PR libstdc++/81092
 755         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
 756
 757 2018-01-13  Tim Shen  <timshen@google.com>
 758
 759         PR libstdc++/83601
 760         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
 761         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
 762         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
 763
 764 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 765
 766         PR libstdc++/64054
 767         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
 768         Remove dg-xfail-run-if.
 769
 770 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
 771
 772         * include/bits/forward_list.h
 773         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
 774         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
 775         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
 776         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
 777         (_Fwd_list_impl()): Add noexcept qualification.
 778         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
 779         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
 780         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
 781         (_Fwd_list_base()): Default.
 782         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
 783         (_Fwd_list_base(_Fwd_list_base&&)): Default.
 784         (forward_list<>()): Default.
 785         (forward_list<>(forward_list&&)): Default.
 786         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
 787         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
 788         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
 789         * include/bits/forward_list.tcc
 790         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
 791         _M_impl._M_head move assignment.
 792         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
 793         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
 794
 795 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
 796
 797         PR libstdc++/80276
 798         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
 799         (UniquePointerPrinter): Print correct template argument, not type of
 800         the pointer.
 801         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
 802         a type.
 803         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
 804         array type.
 805         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
 806         weak_ptr of array types.
 807
 808 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
 809
 810         PR libstdc++/83709
 811         * include/bits/hashtable_policy.h
 812         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
 813         __first != __last.
 814         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
 815         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
 816         Add false_type parameter.
 817         (_Insert_base::insert): Adapt.
 818         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
 819         Adapt.
 820         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
 821          Add __n_elt parameter, defaulted to 1.
 822         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
 823         policy _M_need_rehash.
 824         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
 825         produce only 1 rehash if necessary.
 826         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
 827         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
 828
 829 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
 830             Jonathan Wakely  <jwakely@redhat.com>
 831
 832         PR libstdc++/59253 (partial)
 833         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
 834         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
 835         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
 836         children.
 837         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
 838         of unique_ptr printer.
 839         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
 840         output of shared_ptr printer.
 841
 842 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
 843
 844         PR libstdc++/83626
 845         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
 846         unnecessary symlink_status call.
 847         (remove_all(const path&, error_code&)): Use filesystem::remove.
 848         * src/filesystem/std-ops.cc: Likewise.
 849
 850         PR libstdc++/83279
 851         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
 852         sendfile.
 853
 854         PR libstdc++/83626
 855         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
 856         report an error for ENOENT.
 857         (remove_all(const path&)): Fix type of result variable.
 858         (remove_all(const path&, error_code&)): Use non-throwing increment
 859         for directory iterator. Call POSIX remove directly to avoid redundant
 860         calls to symlink_status. Do not report errors for ENOENT.
 861         * src/filesystem/std-ops.cc: Likewise.
 862         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
 863         overload.
 864         * testsuite/experimental/filesystem/operations/remove_all.cc:
 865         Likewise.
 866
 867 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
 868
 869         PR libstdc++/83626
 870         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
 871         redundant call to ec.clear().
 872         (remove_all(const path&, error_code&))): Do not return an error for
 873         non-existent paths.
 874         * src/filesystem/std-ops.cc: Likewise.
 875         * testsuite/27_io/filesystem/operations/remove.cc: New test.
 876         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
 877         results for non-existent paths.
 878         * testsuite/experimental/filesystem/operations/remove.cc: New test.
 879         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
 880         expected results for non-existent paths.
 881
 882         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
 883         check status_known once.
 884         * include/experimental/bits/fs_ops.h: Likewise.
 885
 886         PR libstdc++/83607
 887         * include/std/functional (__is_byte_like): New trait.
 888         (__is_std_equal_to): Remove.
 889         (__boyer_moore_base_t): Use __is_byte_like instead of
 890         __is_std_equal_to.
 891         * include/experimental/functional (__is_std_equal_to): Remove.
 892         (__boyer_moore_base_t): Use __is_byte_like instead of
 893         __is_std_equal_to.
 894         * testsuite/20_util/function_objects/83607.cc: New test.
 895
 896 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
 897
 898         Protect optional's deduction guide with the feature macro
 899         * include/std/optional: Use the feature macro.
 900
 901 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 902
 903         Update copyright years.
 904 \f
 905 Copyright (C) 2018 Free Software Foundation, Inc.
 906
 907 Copying and distribution of this file, with or without modification,
 908 are permitted in any medium without royalty provided the copyright
 909 notice and this notice are preserved.