libstdc++-v3/ChangeLog

   1 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * include/bits/fs_path.h (path::_M_type): Change default member
   4         initializer to _Filename.
   5         (path::begin): Create past-the-end iterator for empty path.
   6         * src/filesystem/std-path.cc (path::remove_filename()): Remove
   7         debugging check.
   8         (path::has_relative_path()): Return false for empty filenames.
   9         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
  10         Fix offset of empty final component.
  11         * testsuite/27_io/filesystem/path/itr/components.cc: New.
  12         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
  13
  14 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
  15
  16         Add support for opening file streams from wide character strings.
  17         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
  18         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
  19         Define new overload.
  20         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
  21         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
  22         Declare new overload.
  23         * configure.ac: Check for _wfopen.
  24         * crossconfig.m4: Likewise.
  25         * configure: Regenerate.
  26         * config.h.in: Regenerate.
  27         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
  28         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
  29         Define new overload.
  30         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
  31         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
  32         Declare new overload.
  33         [_GLIBCXX_HAVE__WFOPEN]
  34         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
  35         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
  36         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
  37         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
  38         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
  39         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
  40         new overloads.
  41         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
  42         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
  43         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
  44         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
  45         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
  46         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
  47         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
  48
  49 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
  50
  51         PR libstdc++/85845
  52         * include/bits/stl_tree.h
  53         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
  54         qualification.
  55
  56 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
  57
  58         * src/filesystem/std-ops.cc (absolute): Report an error for empty
  59         paths.
  60         (weakly_canonical(const path&)): Do not call canonical on empty path.
  61         (weakly_canonical(const path&, error_code&)): Likewise.
  62         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
  63
  64         PR libstdc++/85818
  65         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
  66         dg-require-filesystem-ts.
  67
  68         PR libstdc++/85843
  69         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
  70         initialize base class to avoid warnings.
  71
  72 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
  73
  74         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
  75         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
  76         little_endian element in bitmask.
  77         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
  78         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
  79
  80 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
  81
  82         * include/bits/stl_tree.h
  83         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
  84         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
  85         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
  86         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
  87         * include/debug/map.h
  88         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
  89         * include/debug/multimap.h
  90         (multimap(multimap&&, const_allocator_type&)): Likewise.
  91         * include/debug/set.h
  92         (set(set&&, const_allocator_type&)): Likewise.
  93         * include/debug/multiset.h
  94         (multiset(multiset&&, const_allocator_type&)): Likewise.
  95         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
  96         Add checks.
  97         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
  98         Add checks.
  99         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
 100         Add checks.
 101         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
 102         Add checks.
 103         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
 104         Add checks.
 105         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
 106         Add checks.
 107         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
 108         Add checks.
 109         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
 110         Add checks.
 111
 112 2018-05-18  Jason Merrill  <jason@redhat.com>
 113
 114         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
 115         for conversion to const_iterator.  Add defaulted copy ops.
 116         * libsupc++/new (bad_alloc): Add defaulted copy ops.
 117         * libsupc++/exception.h (exception): Add defaulted copy ops.
 118         * include/std/system_error (system_error): Add defaulted copy ops.
 119         * include/std/stdexcept (domain_error, invalid_argument)
 120         (length_error, out_of_range, range_error, overflow_error)
 121         (underflow_error): Add defaulted copy ops.
 122         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
 123         copy assignment.
 124         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
 125         * include/ext/throw_allocator.h (condition_base): Add defaulted
 126         default and copy ctor and copy assignment.
 127
 128 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
 129
 130         PR libstdc++/85098
 131         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
 132         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
 133         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
 134         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
 135         definitions.
 136         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
 137         whitespace.
 138         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
 139         braces around body of do-while.
 140         * testsuite/28_regex/basic_regex/85098.cc: New
 141
 142 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
 143
 144         PR libstdc++/85818
 145         * src/filesystem/path.cc (path::preferred_separator): Add used
 146         attribute.
 147         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
 148
 149         PR libstdc++/85812
 150         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
 151         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
 152         Refactor to separate non-throwing and throwing implementations.
 153         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
 154         if constructing the object throws.
 155
 156 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
 157
 158         PR libstdc++/85749
 159         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
 160         (linear_congruential_engine, mersenne_twister_engine)
 161         (subtract_with_carry_engine, discard_block_engine)
 162         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
 163         constrain function templates taking seed sequences.
 164         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
 165         (mersenne_twister_engine::seed(_Sseq&))
 166         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
 167         match declarations.
 168         * include/ext/random (simd_fast_mersenne_twister_engine): Use
 169         __is_seed_seq to constrain function templates taking seed sequences.
 170         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
 171         Change return type to match declaration.
 172         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
 173         New.
 174         * testsuite/26_numerics/random/independent_bits_engine/cons/
 175         seed_seq2.cc: New.
 176         * testsuite/26_numerics/random/linear_congruential_engine/cons/
 177         seed_seq2.cc: New.
 178         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
 179         seed_seq2.cc: New.
 180         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
 181         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
 182         New.
 183         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
 184         seed_seq2.cc: New.
 185         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
 186         seed_seq2.cc: New.
 187
 188         PR libstdc++/83891
 189         * include/bits/fs_path.h (path::is_absolute()): Use same definition
 190         for all operating systems.
 191         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
 192         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
 193         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
 194         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
 195
 196         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
 197         unused <vector> header.
 198         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
 199         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
 200         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
 201         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
 202         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
 203         Likewise.
 204         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
 205         Likewise.
 206         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
 207         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
 208         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
 209         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
 210         * testsuite/experimental/filesystem/path/decompose/extension.cc:
 211         Likewise.
 212         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
 213         * testsuite/experimental/filesystem/path/query/has_extension.cc:
 214         Likewise.
 215         * testsuite/experimental/filesystem/path/query/has_filename.cc:
 216         Likewise.
 217         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
 218         Likewise.
 219         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
 220         Likewise.
 221         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
 222         Likewise.
 223         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
 224         Likewise.
 225         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
 226         Likewise.
 227         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
 228         * testsuite/experimental/filesystem/path/query/is_relative.cc:
 229         Likewise.
 230
 231         PR libstdc++/84159
 232         * include/bits/fs_path.h (path::operator/=, path::append): Construct
 233         temporary path before calling _M_append.
 234         (path::_M_append): Change parameter to path and implement C++17
 235         semantics.
 236         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
 237         and more examples from the standard.
 238         * testsuite/27_io/filesystem/path/append/source.cc: New.
 239         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
 240         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
 241
 242         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
 243         __invoke to prevent ADL.
 244
 245 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
 246
 247         PR libstdc++/81256
 248         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
 249         exceptions from _M_terminate_output().
 250         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
 251         exceptions from close().
 252         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
 253
 254         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
 255         (__valarray_get_storage): Call operator new directly. Remove ignored
 256         top-level restrict qualifier and add malloc attribute instead.
 257         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
 258
 259         PR libstdc++/67554
 260         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
 261         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
 262
 263         PR libstdc++/82966
 264         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
 265         instead of type.
 266         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
 267
 268 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
 269
 270         PR libstdc++/80165
 271         * testsuite/20_util/variant/80165.cc: New.
 272
 273 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 274
 275         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
 276         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
 277         of C++11 containers with Debug Mode support.
 278         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
 279         * doc/html/*: Regenerate.
 280
 281 2018-05-10  Jason Merrill  <jason@redhat.com>
 282
 283         * include/bits/regex_compiler.h (_S_cache_size): Change from
 284         function to variable.
 285
 286 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
 287
 288         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
 289         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
 290         argument defaulted to +1.  Doxy comments on same.
 291         * testsuite/special_functions/02_assoc_legendre/
 292         check_value.cc: Regen.
 293         * testsuite/tr1/5_numerical_facilities/special_functions/
 294         02_assoc_legendre/check_value.cc: Regen.
 295
 296 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 297
 298         PR libstdc++/85729
 299         * include/bits/c++config.h (__replacement_assert): Add linkage
 300         specification.
 301         * include/bits/std_abs.h: Add comment to closing brace of block.
 302         * include/c_global/cstddef: Add linkage specification.
 303         * include/c_global/cstring: Likewise.
 304         * include/c_global/cwchar: Likewise.
 305
 306 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
 307
 308         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
 309         Rename in...
 310         (_Safe_iterator<>::_S_constant()): ...that.
 311         * include/debug/safe_local_iterator.h
 312         (_Safe_local_iterator<>::_M_constant()): Rename in...
 313         (_Safe_local_iterator<>::_S_constant()): ...that.
 314         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
 315         (_Iterator_state::__rbegin): New.
 316         (_Iterator_state::__rmiddle): New.
 317         (_Iterator_state::__rend): New.
 318         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
 319         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
 320         iterator type.
 321         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
 322         _Is_iterator)): Likewise.
 323         (_Parameter::_S_reverse_state(_Iterator_state)): New.
 324         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
 325         _Is_iterator)): New.
 326         (_Parameter(std::reverse_iterator<> const&, const char*,
 327         _Is_iterator)): New.
 328         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
 329         const char*, _Is_iterator)): New.
 330         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
 331         New.
 332         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
 333         _Is_iterator)): New.
 334         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
 335         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
 336         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
 337
 338 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
 339
 340         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
 341         Use constexpr if in C++17 mode.
 342         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
 343         Copy from const object.
 344         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
 345
 346 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
 347
 348         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
 349         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
 350         backtrace.
 351
 352         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
 353         * include/debug/functions.h (__check_valid_range): Use latter.
 354         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
 355         use latter.
 356         * include/debug/deque
 357         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
 358         * include/debug/forward_list
 359         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
 360         Likewise.
 361         * include/debug/list
 362         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 363         * include/debug/list
 364         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 365         * include/debug/map.h
 366         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 367         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
 368         Likewise.
 369         * include/debug/multimap.h
 370         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 371         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
 372         const _Alloc&)): Likewise.
 373         * include/debug/set.h
 374         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 375         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
 376         Likewise.
 377         * include/debug/multiset.h
 378         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 379         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
 380         const _Alloc&)): Likewise.
 381         * include/debug/string
 382         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
 383         Likewise.
 384         * include/debug/unordered_map
 385         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
 386         Likewise.
 387         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
 388         const _Alloc&)): Likewise.
 389         * include/debug/unordered_set
 390         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
 391         Likewise.
 392         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
 393         const _Alloc&)): Likewise.
 394         * include/debug/vector
 395         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
 396
 397         * include/debug/formatter.h (_Error_formatter::_M_function): New.
 398         (_Error_formatter(const char*, unsigned int)): Adapt.
 399         (_Error_formatter::_M_at): Rename in...
 400         (_Error_formatter::_S_at): ...that and adapt.
 401         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
 402         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
 403         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
 404         when available.
 405
 406 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
 407
 408         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
 409         Use normal std::vector even in Debug Mode.
 410
 411         PR libstdc++/85672
 412         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
 413         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
 414         * include/Makefile.in: Regenerate.
 415         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
 416         within conditional block.
 417
 418 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
 419
 420         * doc/xml/manual/using.xml (table.cmd_options): Document that the
 421         C++17 Filesystem implementation also needs -lstdc++fs.
 422
 423         PR libstdc++/85671
 424         * include/bits/fs_path.h (operator/): Permit copy elision.
 425         * include/experimental/bits/fs_path.h (operator/): Likewise.
 426
 427 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
 428
 429         Moar PR libstdc++/80506
 430         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
 431         Fix magic number used in loop condition.
 432
 433 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
 434
 435         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
 436         * include/std/optional (_Optional_payload): Add noexcept to default
 437         constructor. Re-indent.
 438         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
 439         constructor for copying disengaged payloads.
 440         (_Optional_payload<_Tp, true, false, true>): Likewise.
 441         (_Optional_payload<_Tp, true, true, false>): Likewise.
 442         (_Optional_payload<_Tp, true, false, false>): Likewise.
 443         * testsuite/20_util/optional/cons/85642.cc: New.
 444         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
 445
 446 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
 447
 448         PR libstdc++/82644
 449         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
 450         inline definitions instead of using-declarations.
 451         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
 452         * testsuite/tr1/5_numerical_facilities/special_functions/
 453         07_conf_hyperg/compile_cxx17.cc: New.
 454         * testsuite/tr1/5_numerical_facilities/special_functions/
 455         17_hyperg/compile_cxx17.cc: New.
 456
 457         PR libstdc++/84769
 458         * include/std/variant (visit): Qualify std::get call.
 459
 460         PR libstdc++/85632 use uintmax_t for arithmetic
 461         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
 462         arithmetic in result type.
 463         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
 464         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
 465         is greater than free space.
 466         * testsuite/experimental/filesystem/operations/space.cc: New.
 467
 468         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
 469         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
 470         New.
 471         * testsuite/20_util/remove_cvref/value.cc: New.
 472         * testsuite/20_util/remove_cvref/value_ext.cc: New.
 473
 474         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
 475         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
 476         (append(const basic_string&, size_type, size_type)
 477         (assign(const basic_string&, size_type, size_type)
 478         (insert(size_type, const basic_string&, size_type, size_type)
 479         (replace(size_type,size_type,const basic_string&,size_type,size_type)
 480         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
 481         Add default arguments (LWG 2268).
 482         [_GLIBCXX_USE_CXX11_ABI=0]
 483         (append(const basic_string&, size_type, size_type)
 484         (assign(const basic_string&, size_type, size_type)
 485         (insert(size_type, const basic_string&, size_type, size_type)
 486         (replace(size_type,size_type,const basic_string&,size_type,size_type)
 487         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
 488         Likewise.
 489         * testsuite/21_strings/basic_string/dr2268.cc: New test.
 490
 491         PR libstdc++/84535
 492         * include/std/thread (thread::__not_same): New SFINAE helper.
 493         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
 494         first argument is not a std::thread. Add static assertion to check
 495         INVOKE expression is valid.
 496         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
 497         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
 498         __invoke_result for return types and remove exception specifications.
 499         * testsuite/30_threads/thread/cons/84535.cc: New.
 500
 501         * include/std/future (__async_result_of): Use __invoke_result instead
 502         of result_of.
 503
 504         * include/std/any (any_cast): Use __remove_cvref_t.
 505         * include/std/tuple (__make_tuple): Likewise.
 506         * include/std/type_traits (__remove_cvref_t): Define.
 507         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
 508         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
 509         * include/std/variant (__erased_hash): Use __remove_cvref_t.
 510
 511 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
 512
 513         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
 514         ensure overloaded comma not used.
 515         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
 516         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
 517         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
 518         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
 519         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
 520         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
 521         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
 522
 523 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
 524
 525         PR libstdc++/68197
 526         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
 527         indices to unsigned.
 528         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
 529         as failure. Refactor error handling.
 530         * testsuite/27_io/ios_base/storage/68197.cc: New.
 531
 532         PR libstdc++/57997
 533         PR libstdc++/83860
 534         * include/bits/gslice_array.h (gslice_array): Define default
 535         constructor as deleted, as per C++11 standard.
 536         * include/bits/mask_array.h (mask_array): Likewise.
 537         * include/bits/slice_array.h (slice_array): Likewise.
 538         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
 539         to namespace __detail.
 540         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
 541         members.
 542         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
 543         of data members in closure objects.
 544         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
 545         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
 546         __detail.
 547         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
 548         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
 549         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
 550         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
 551         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
 552         using-declarations to namespace std.
 553         * testsuite/26_numerics/valarray/83860.cc: New.
 554
 555         * testsuite/backward/strstream_move.cc: Remove duplicate function
 556         call.
 557
 558         PR libstdc++/69608
 559         * include/backward/strstream (strstreambuf): Define move constructor
 560         and move assignment operator.
 561         (istrstream, ostrstream, strstream): Likewise.
 562         * testsuite/backward/strstream_move.cc: New.
 563
 564 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
 565
 566         PR libstdc++/84654
 567         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
 568         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
 569         * configure: Regenerate.
 570         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
 571         based on ENABLE_FLOAT128.
 572         * include/Makefile.in: Regenerate.
 573         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
 574         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
 575         _GLIBCXX_USE_FLOAT128.
 576
 577 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 578
 579         * configure: Regenerated.
 580
 581 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 582
 583         * configure: Regenerated.
 584
 585 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
 586             Jakub Jelinek  <jakub@redhat.com>
 587
 588         PR libstdc++/85442
 589         * src/c++11/Makefile.am: Don't generate debuginfo again for
 590         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
 591         * src/c++11/Makefile.in: Regenerate.
 592
 593 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
 594
 595         PR libstdc++/84442
 596         * testsuite/30_threads/thread/cons/terminate.cc
 597         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
 598
 599 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 600
 601         PR jit/85384
 602         * configure: Regenerate.
 603
 604 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
 605
 606         * testsuite/experimental/filesystem/file_status/1.cc: Add
 607         -DUSE_FILESYSTEM_TS to dg-options.
 608         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
 609         Likewise.
 610         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
 611         * testsuite/experimental/filesystem/iterators/
 612         recursive_directory_iterator.cc: Likewise.
 613         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
 614         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
 615         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
 616         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
 617         * testsuite/experimental/filesystem/operations/create_directories.cc:
 618         Likewise.
 619         * testsuite/experimental/filesystem/operations/create_directory.cc:
 620         Likewise.
 621         * testsuite/experimental/filesystem/operations/create_symlink.cc:
 622         Likewise.
 623         * testsuite/experimental/filesystem/operations/current_path.cc:
 624         Likewise.
 625         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
 626         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
 627         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
 628         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
 629         * testsuite/experimental/filesystem/operations/last_write_time.cc:
 630         Likewise.
 631         * testsuite/experimental/filesystem/operations/permissions.cc:
 632         Likewise.
 633         * testsuite/experimental/filesystem/operations/read_symlink.cc:
 634         Likewise.
 635         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
 636         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
 637         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
 638         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
 639         Likewise.
 640         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
 641         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
 642         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
 643         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
 644         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
 645         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
 646         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
 647         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
 648         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
 649         * testsuite/experimental/filesystem/path/construct/default.cc:
 650         Likewise.
 651         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
 652         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
 653         * testsuite/experimental/filesystem/path/construct/string_view.cc:
 654         Likewise.
 655         * testsuite/experimental/filesystem/path/decompose/extension.cc:
 656         Likewise.
 657         * testsuite/experimental/filesystem/path/decompose/filename.cc:
 658         Likewise.
 659         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
 660         Likewise.
 661         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
 662         Likewise.
 663         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
 664         Likewise.
 665         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
 666         Likewise.
 667         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
 668         Likewise.
 669         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
 670         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
 671         Likewise.
 672         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
 673         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
 674         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
 675         Likewise.
 676         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
 677         Likewise.
 678         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
 679         Likewise.
 680         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
 681         Likewise.
 682         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
 683         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
 684         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
 685         Likewise.
 686         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
 687         * testsuite/experimental/filesystem/path/query/has_extension.cc:
 688         Likewise.
 689         * testsuite/experimental/filesystem/path/query/has_filename.cc:
 690         Likewise.
 691         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
 692         Likewise.
 693         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
 694         Likewise.
 695         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
 696         Likewise.
 697         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
 698         Likewise.
 699         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
 700         Likewise.
 701         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
 702         * testsuite/experimental/filesystem/path/query/is_relative.cc:
 703         Likewise.
 704
 705 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
 706
 707         * src/c++11/Makefile.am: Fix sed command.
 708         * src/c++11/Makefile.in: Regenerate.
 709
 710         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
 711         handle mangled names starting with double underscores on darwin.
 712         * src/c++11/Makefile.in: Regenerate.
 713
 714 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
 715
 716         * src/c++11/Makefile.am: Fix comment.
 717         * src/c++11/Makefile.in: Regenerate.
 718         * src/c++11/cxx11-ios_failure.cc: Fix comment.
 719         * src/c++98/ios_failure.cc: Likewise.
 720
 721         * src/c++11/ios.cc: Remove redundant macro definition.
 722
 723 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
 724
 725         * doc/xml/manual/abi.xml: Document header locations in recent
 726         releases.
 727         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
 728         * doc/xml/manual/spine.xml: Update copyright years.
 729         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
 730         undefined behaviour.
 731         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
 732         * doc/html/*: Regenerate.
 733
 734 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
 735
 736         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
 737         * doc/xml/manual/backwards_compatibility.xml: Likewise.
 738         * doc/xml/manual/containers.xml: Likewise.
 739         * doc/xml/manual/debug_mode.xml: Likewise.
 740         * doc/xml/manual/extensions.xml: Likewise.
 741         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
 742         * doc/xml/manual/using.xml: Likewise.
 743         * doc/xml/manual/utilities.xml: Likewise.
 744
 745         PR libstdc++/85222
 746         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
 747         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
 748         * src/c++11/Makefile.in: Regenerate.
 749         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
 750         New types.
 751         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
 752         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
 753         * src/c++98/ios_failure.cc (__construct_ios_failure)
 754         (__destroy_ios_failure, is_ios_failure_handler): New functions.
 755         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
 756         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
 757         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
 758         handler types, to always catch std::ios_base::failure.
 759         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
 760         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
 761         exceptions_failbit.cc: Likewise.
 762         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
 763         exceptions_failbit.cc: Likewise.
 764         * testsuite/27_io/basic_istream/extractors_other/char/
 765         exceptions_null.cc: Likewise.
 766         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
 767         exceptions_null.cc: Likewise.
 768         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
 769         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
 770         * testsuite/27_io/basic_ostream/inserters_other/char/
 771         exceptions_null.cc: Likewise.
 772         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
 773         exceptions_null.cc: Likewise.
 774         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
 775
 776 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
 777
 778         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
 779         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
 780
 781 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
 782
 783         PR libstdc++/85183
 784         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
 785         value categories.
 786         * testsuite/20_util/variant/85183.cc: New.
 787
 788 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
 789
 790         * include/std/variant (__get): Qualify calls to avoid ADL.
 791         (__select_index): Adjust whitespace.
 792         (variant): Add using-declaration to workaround Clang bug.
 793
 794 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
 795
 796         PR libstdc++/85040
 797         * include/bits/stl_function.h (greater::__not_overloaded)
 798         (less::__not_overloaded, greater_equal::__not_overloaded)
 799         (less_equal::__not_overloaded): Fix ambiguous specializations.
 800         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
 801         tests for type with overloaded operators.
 802
 803 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 804
 805         PR libstdc++/77691
 806         * testsuite/experimental/memory_resource/resource_adaptor.cc:
 807         xfail execution on 32-bit Solaris/x86.
 808
 809 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
 810
 811         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
 812         VERIFY instead of assert.
 813         * testsuite/20_util/hash/84998.cc: New test.
 814         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
 815         copy of test adjusted for Debug Mode.
 816         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
 817         test in Debug Mode.
 818
 819 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
 820
 821         PR libstdc++/84998
 822         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
 823         * include/std/bitset: Likewise.
 824         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
 825         declaration.
 826         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
 827         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
 828         * include/bits/stl_set.h (std::set<>): Likewise.
 829         * include/bits/unordered_map.h (std::unordered_map<>): Fix
 830         _Hash_merge_helper friend declaration.
 831         (std::unordered_multimap<>): Likewise.
 832         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
 833         (std::unordered_multiset<>): Likewise.
 834
 835 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
 836
 837         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
 838         trailing slash for domain level link.
 839         * doc/xml/faq.xml: Ditto.
 840         * doc/xml/manual/appendix_free.xml (software): Ditto.
 841         * doc/xml/manual/intro.xml: Ditto.
 842         * doc/xml/manual/spine.xml: Ditto.
 843         * doc/xml/spine.xml: Ditto.
 844
 845 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
 846
 847         * doc/xml/manual/documentation_hacking.xml: Adjust link to
 848         docbook.org.
 849
 850 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
 851
 852         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
 853         to compile as C++98.
 854
 855 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
 856
 857         PR libstdc++/78420
 858         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
 859         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
 860         to ensure total order for pointers.
 861         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
 862         Add operator() overloads for pointer arguments and make generic
 863         overloads dispatch to new _S_cmp functions when comparisons would
 864         use built-in operators for pointers.
 865         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
 866
 867 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
 868
 869         PR libstdc++/84773
 870         PR libstdc++/83662
 871         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
 872         * configure: Regenerate.
 873         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
 874         (aligned_alloc): Add using-declaration.
 875         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
 876
 877 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
 878
 879         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
 880         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
 881         registration.
 882
 883 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
 884
 885         PR libstdc++/84769
 886         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
 887         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
 888
 889         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
 890         src/filesystem/std-ops.cc (create_dir): Likewise.
 891
 892 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
 893
 894         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
 895         (StdListIteratorPrinter): Inherit from latter.
 896         (StdFwdListIteratorPrinter): New, inherit from latter.
 897         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
 898         when iterator has no associated container.
 899         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
 900         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
 901         registrations.
 902         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
 903         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
 904
 905 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
 906
 907         PR libstdc++/84601
 908         * include/std/optional (_Optional_payload): Split into multiple
 909         specializations that can handle different cases of trivial or
 910         non-trivial assignment operators.
 911         * testsuite/20_util/optional/84601.cc: New.
 912         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
 913
 914 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
 915
 916         PR libstdc++/84671
 917         * include/bits/parse_numbers.h (_Number_help): Add partial
 918         specialization to handle digit separators. Adjust partial
 919         specialization for recursion temrination to require _Pow == 1ULL.
 920         * testsuite/20_util/duration/literals/84671.cc: New
 921
 922 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
 923
 924         Implement the missing bits of LWG 2769
 925         * include/std/any (any_cast(const any&)): Add static_assert.
 926         (any_cast(any&)): Likewise.
 927         (any_cast(any&&)): Likewise, and remove the handling
 928         for copyable-but-not-movable type.
 929         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
 930         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
 931         add new tests.
 932
 933 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
 934
 935         PR libstdc++/84532
 936         * include/std/thread (thread::__make_invoker): Construct tuple
 937         directly instead of using make_tuple.
 938         * testsuite/30_threads/async/84532.cc: New.
 939         * testsuite/30_threads/thread/84532.cc: New.
 940
 941 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
 942
 943         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
 944         (template<> __aligned_buffer): Define as __aligned_membuf alias.
 945
 946 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 947
 948         PR target/84148
 949         * configure: Regenerate.
 950
 951 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
 952
 953         PR libstdc++/81797
 954         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
 955         * configure: Regenerate.
 956         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
 957         defined.
 958         * include/Makefile.in: Regenerate.
 959
 960 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
 961
 962         PR libstdc++/83833
 963         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
 964         Add -ffloat-store to options for m68k and ia32.
 965
 966         * doc/xml/faq.xml: Update copyright years.
 967         * doc/html/*: Regenerate.
 968
 969         PR libstdc++/83658
 970         * include/std/any (any::__do_emplace): Only set _M_manager after
 971         constructing the contained object.
 972         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
 973         * testsuite/20_util/any/modifiers/83658.cc: New test.
 974
 975 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
 976
 977         PR libstdc++/81076
 978         * include/c_global/cstddef (__byte_operand): Define primary template.
 979         * testsuite/18_support/byte/81076.cc: New test.
 980
 981 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
 982
 983         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
 984         dg-options and dg-add-options order.
 985         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
 986         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
 987         Likewise.
 988         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
 989         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
 990         Likewise.
 991         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
 992         Likewise.
 993         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
 994         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
 995         Likewise.
 996         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
 997         Likewise.
 998         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
 999         Likewise.
1000         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
1001         Likewise.
1002         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
1003         Likewise.
1004         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
1005         Likewise.
1006         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
1007         Likewise.
1008         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
1009         Likewise.
1010         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
1011         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
1012         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
1013         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
1014         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
1015         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
1016         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
1017         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
1018         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
1019         Likewise.
1020         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
1021         Likewise.
1022         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
1023         Likewise.
1024         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
1025         Likewise.
1026
1027 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
1028
1029         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
1030         include linux/types.h when checking linux/random.h header.
1031         * config.h.in: Regenerate.
1032         * configure: Ditto.
1033         * src/c++11/random.cc: Conditionally include linux/types.h.
1034
1035 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1036
1037         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
1038
1039 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
1040
1041         PR libstdc++/83834
1042         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
1043         pattern with exact match for std::cerr.
1044
1045 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1046
1047         PR libstdc++/83833
1048         * include/bits/random.h (chi_squared_distribution::param): Update
1049         gamma distribution parameter.
1050         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
1051         test.
1052
1053         PR libstdc++/83830
1054         * include/std/type_traits (has_unique_object_representations_v): Add
1055         variable template.
1056         * testsuite/20_util/has_unique_object_representations/value.cc: Check
1057         variable template.
1058
1059 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
1060
1061         Make optional conditionally
1062         trivially_{copy,move}_{constructible,assignable}
1063         * include/std/optional (_Optional_payload): Fix the comment in
1064         the class head and turn into a primary and one specialization.
1065         (_Optional_payload::_M_engaged): Strike the NSDMI.
1066         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
1067         New.
1068         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
1069         Likewise.
1070         (_Optional_payload<_Tp, false>::_M_get): Likewise.
1071         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
1072         (_Optional_base_impl): Likewise.
1073         (_Optional_base): Turn into a primary and three specializations.
1074         (optional(nullopt)): Change the base init.
1075         * testsuite/20_util/optional/assignment/8.cc: New.
1076         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
1077         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1078
1079 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1080
1081         PR libstdc++/80276
1082         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
1083         (get_template_arg_list): New.
1084         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
1085         instead.
1086         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
1087         of strings and regular expressions.
1088         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
1089         (FilteringTypePrinter): Add docstring. Match using startswith. Use
1090         strip_inline_namespaces instead of strip_versioned_namespace.
1091         (add_one_type_printer): Prepend namespace to match argument.
1092         (register_type_printers): Add type printers for char16_t and char32_t
1093         string types and for types using cxx11 ABI. Update calls to
1094         add_one_template_type_printer to provide default argument dicts.
1095         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
1096         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
1097         basic_string<unsigned char> and basic_string<signed char>.
1098         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
1099         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
1100
1101 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
1102
1103         PR libstdc++/81092
1104         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1105
1106 2018-01-13  Tim Shen  <timshen@google.com>
1107
1108         PR libstdc++/83601
1109         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
1110         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
1111         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
1112
1113 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1114
1115         PR libstdc++/64054
1116         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
1117         Remove dg-xfail-run-if.
1118
1119 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
1120
1121         * include/bits/forward_list.h
1122         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
1123         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
1124         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
1125         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
1126         (_Fwd_list_impl()): Add noexcept qualification.
1127         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
1128         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
1129         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
1130         (_Fwd_list_base()): Default.
1131         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
1132         (_Fwd_list_base(_Fwd_list_base&&)): Default.
1133         (forward_list<>()): Default.
1134         (forward_list<>(forward_list&&)): Default.
1135         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
1136         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
1137         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
1138         * include/bits/forward_list.tcc
1139         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
1140         _M_impl._M_head move assignment.
1141         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
1142         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
1143
1144 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
1145
1146         PR libstdc++/80276
1147         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
1148         (UniquePointerPrinter): Print correct template argument, not type of
1149         the pointer.
1150         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
1151         a type.
1152         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
1153         array type.
1154         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
1155         weak_ptr of array types.
1156
1157 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
1158
1159         PR libstdc++/83709
1160         * include/bits/hashtable_policy.h
1161         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
1162         __first != __last.
1163         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
1164         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
1165         Add false_type parameter.
1166         (_Insert_base::insert): Adapt.
1167         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
1168         Adapt.
1169         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
1170          Add __n_elt parameter, defaulted to 1.
1171         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
1172         policy _M_need_rehash.
1173         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
1174         produce only 1 rehash if necessary.
1175         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
1176         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
1177
1178 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
1179             Jonathan Wakely  <jwakely@redhat.com>
1180
1181         PR libstdc++/59253 (partial)
1182         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
1183         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
1184         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
1185         children.
1186         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
1187         of unique_ptr printer.
1188         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
1189         output of shared_ptr printer.
1190
1191 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
1192
1193         PR libstdc++/83626
1194         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
1195         unnecessary symlink_status call.
1196         (remove_all(const path&, error_code&)): Use filesystem::remove.
1197         * src/filesystem/std-ops.cc: Likewise.
1198
1199         PR libstdc++/83279
1200         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
1201         sendfile.
1202
1203         PR libstdc++/83626
1204         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
1205         report an error for ENOENT.
1206         (remove_all(const path&)): Fix type of result variable.
1207         (remove_all(const path&, error_code&)): Use non-throwing increment
1208         for directory iterator. Call POSIX remove directly to avoid redundant
1209         calls to symlink_status. Do not report errors for ENOENT.
1210         * src/filesystem/std-ops.cc: Likewise.
1211         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
1212         overload.
1213         * testsuite/experimental/filesystem/operations/remove_all.cc:
1214         Likewise.
1215
1216 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
1217
1218         PR libstdc++/83626
1219         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
1220         redundant call to ec.clear().
1221         (remove_all(const path&, error_code&))): Do not return an error for
1222         non-existent paths.
1223         * src/filesystem/std-ops.cc: Likewise.
1224         * testsuite/27_io/filesystem/operations/remove.cc: New test.
1225         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
1226         results for non-existent paths.
1227         * testsuite/experimental/filesystem/operations/remove.cc: New test.
1228         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
1229         expected results for non-existent paths.
1230
1231         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
1232         check status_known once.
1233         * include/experimental/bits/fs_ops.h: Likewise.
1234
1235         PR libstdc++/83607
1236         * include/std/functional (__is_byte_like): New trait.
1237         (__is_std_equal_to): Remove.
1238         (__boyer_moore_base_t): Use __is_byte_like instead of
1239         __is_std_equal_to.
1240         * include/experimental/functional (__is_std_equal_to): Remove.
1241         (__boyer_moore_base_t): Use __is_byte_like instead of
1242         __is_std_equal_to.
1243         * testsuite/20_util/function_objects/83607.cc: New test.
1244
1245 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
1246
1247         Protect optional's deduction guide with the feature macro
1248         * include/std/optional: Use the feature macro.
1249
1250 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1251
1252         Update copyright years.
1253 \f
1254 Copyright (C) 2018 Free Software Foundation, Inc.
1255
1256 Copying and distribution of this file, with or without modification,
1257 are permitted in any medium without royalty provided the copyright
1258 notice and this notice are preserved.