libstdc++-v3/ChangeLog

   1 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
   2
   3         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
   4         (_Rb_tree(const allocator_type&)): Use latter.
   5         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
   6         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
   7         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
   8         * include/bits/stl_multimap.h
   9         (multimap(const allocator_type&)): Likewise.
  10         (multimap(initializer_list<value_type>, const allocator_type&)):
  11         Likewise.
  12         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
  13         Likewise.
  14         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
  15         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
  16         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
  17         * include/bits/stl_multiset.h
  18         (multiset(const allocator_type&)): Likewise.
  19         (multiset(initializer_list<value_type>, const allocator_type&)):
  20         Likewise.
  21         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
  22         Likewise.
  23
  24 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
  25
  26         PR libstdc++/85768
  27         * src/c++11/debug.cc: Remove backtrace usage.
  28
  29 2018-05-24  Maya Rashish  <coypu@sdf.org>
  30
  31         PR target/85904
  32         * crossconfig.m4: Test for aligned_alloc on netbsd.
  33         * configure: Regenerate.
  34
  35 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
  36
  37         PR libstdc++/69769
  38         PR libstdc++/85886
  39         * include/bits/atomic_base.h (__atomic_base::value_type)
  40         (__atomic_base::difference_type): Add new typedefs.
  41         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
  42         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
  43         (atomic<T*>::operator++, atomic<T*>::operator--)
  44         (atomic<T*>::operator+=, atomic<T*>::operator-=)
  45         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
  46         to enforce C++17 requirement on pointer arithmetic.
  47         (__atomic_val_t, __atomic_diff_t): New alias templates.
  48         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
  49         (atomic_compare_exchange_weak_explicit)
  50         (atomic_compare_exchange_strong_explicit, atomic_store)
  51         (atomic_exchange, atomic_compare_exchange_weak)
  52         (atomic_compare_exchange_strong): Use __atomic_val_t to make
  53         scalar parameters be non-deduced contexts.
  54         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
  55         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
  56         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
  57         parameters.
  58         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
  59         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
  60         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
  61         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
  62         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
  63         address types.
  64         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
  65         * testsuite/29_atomics/atomic/69769.cc: New test.
  66         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
  67         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
  68         Disable test for C++17 and later.
  69         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
  70         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
  71         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
  72         test.
  73
  74 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
  75
  76         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
  77         template to alias template.
  78         (path::__value_type_is_char): Use remove_const_t.
  79         (path:_S_string_from_iter): New helper function.
  80         (path::_S_convert(InputIter, __null_terminated))
  81         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
  82         Use _S_string_from_iter.
  83         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
  84         rep for COW strings.
  85         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
  86         Change from class template to alias template.
  87         (path::__value_type_is_char): Use remove_const.
  88         (path:_S_string_from_iter): New helper function.
  89         (path::_S_convert(InputIter, __null_terminated))
  90         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
  91         Use _S_string_from_iter.
  92         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
  93         wide strings.
  94         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
  95         string equality, not path equivalence.
  96         * testsuite/27_io/filesystem/path/construct/format.cc: Check
  97         construction from std::string and std::wstring and input iterators.
  98         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
  99         construction from iterators.
 100         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
 101         exact string equality, not path equivalence.
 102         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
 103         construction from iterators.
 104
 105         * include/bits/fs_path.h (path::_M_type): Change default member
 106         initializer to _Filename.
 107         (path::begin): Create past-the-end iterator for empty path.
 108         * src/filesystem/std-path.cc (path::remove_filename()): Remove
 109         debugging check.
 110         (path::has_relative_path()): Return false for empty filenames.
 111         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
 112         Fix offset of empty final component.
 113         * testsuite/27_io/filesystem/path/itr/components.cc: New.
 114         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
 115
 116 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 117
 118         Add support for opening file streams from wide character strings.
 119         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
 120         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 121         Define new overload.
 122         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
 123         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 124         Declare new overload.
 125         * configure.ac: Check for _wfopen.
 126         * crossconfig.m4: Likewise.
 127         * configure: Regenerate.
 128         * config.h.in: Regenerate.
 129         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
 130         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 131         Define new overload.
 132         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
 133         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 134         Declare new overload.
 135         [_GLIBCXX_HAVE__WFOPEN]
 136         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 137         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
 138         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 139         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
 140         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 141         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
 142         new overloads.
 143         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
 144         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
 145         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
 146         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
 147         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
 148         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
 149         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
 150
 151 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
 152
 153         PR libstdc++/85845
 154         * include/bits/stl_tree.h
 155         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
 156         qualification.
 157
 158 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 159
 160         * src/filesystem/std-ops.cc (absolute): Report an error for empty
 161         paths.
 162         (weakly_canonical(const path&)): Do not call canonical on empty path.
 163         (weakly_canonical(const path&, error_code&)): Likewise.
 164         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
 165
 166         PR libstdc++/85818
 167         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
 168         dg-require-filesystem-ts.
 169
 170         PR libstdc++/85843
 171         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
 172         initialize base class to avoid warnings.
 173
 174 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
 175
 176         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
 177         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
 178         little_endian element in bitmask.
 179         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
 180         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
 181
 182 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
 183
 184         * include/bits/stl_tree.h
 185         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
 186         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
 187         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
 188         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
 189         * include/debug/map.h
 190         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
 191         * include/debug/multimap.h
 192         (multimap(multimap&&, const_allocator_type&)): Likewise.
 193         * include/debug/set.h
 194         (set(set&&, const_allocator_type&)): Likewise.
 195         * include/debug/multiset.h
 196         (multiset(multiset&&, const_allocator_type&)): Likewise.
 197         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
 198         Add checks.
 199         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
 200         Add checks.
 201         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
 202         Add checks.
 203         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
 204         Add checks.
 205         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
 206         Add checks.
 207         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
 208         Add checks.
 209         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
 210         Add checks.
 211         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
 212         Add checks.
 213
 214 2018-05-18  Jason Merrill  <jason@redhat.com>
 215
 216         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
 217         for conversion to const_iterator.  Add defaulted copy ops.
 218         * libsupc++/new (bad_alloc): Add defaulted copy ops.
 219         * libsupc++/exception.h (exception): Add defaulted copy ops.
 220         * include/std/system_error (system_error): Add defaulted copy ops.
 221         * include/std/stdexcept (domain_error, invalid_argument)
 222         (length_error, out_of_range, range_error, overflow_error)
 223         (underflow_error): Add defaulted copy ops.
 224         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
 225         copy assignment.
 226         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
 227         * include/ext/throw_allocator.h (condition_base): Add defaulted
 228         default and copy ctor and copy assignment.
 229
 230 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
 231
 232         PR libstdc++/85098
 233         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
 234         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
 235         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
 236         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
 237         definitions.
 238         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
 239         whitespace.
 240         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
 241         braces around body of do-while.
 242         * testsuite/28_regex/basic_regex/85098.cc: New
 243
 244 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
 245
 246         PR libstdc++/85818
 247         * src/filesystem/path.cc (path::preferred_separator): Add used
 248         attribute.
 249         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
 250
 251         PR libstdc++/85812
 252         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
 253         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
 254         Refactor to separate non-throwing and throwing implementations.
 255         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
 256         if constructing the object throws.
 257
 258 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
 259
 260         PR libstdc++/85749
 261         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
 262         (linear_congruential_engine, mersenne_twister_engine)
 263         (subtract_with_carry_engine, discard_block_engine)
 264         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
 265         constrain function templates taking seed sequences.
 266         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
 267         (mersenne_twister_engine::seed(_Sseq&))
 268         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
 269         match declarations.
 270         * include/ext/random (simd_fast_mersenne_twister_engine): Use
 271         __is_seed_seq to constrain function templates taking seed sequences.
 272         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
 273         Change return type to match declaration.
 274         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
 275         New.
 276         * testsuite/26_numerics/random/independent_bits_engine/cons/
 277         seed_seq2.cc: New.
 278         * testsuite/26_numerics/random/linear_congruential_engine/cons/
 279         seed_seq2.cc: New.
 280         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
 281         seed_seq2.cc: New.
 282         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
 283         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
 284         New.
 285         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
 286         seed_seq2.cc: New.
 287         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
 288         seed_seq2.cc: New.
 289
 290         PR libstdc++/83891
 291         * include/bits/fs_path.h (path::is_absolute()): Use same definition
 292         for all operating systems.
 293         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
 294         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
 295         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
 296         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
 297
 298         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
 299         unused <vector> header.
 300         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
 301         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
 302         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
 303         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
 304         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
 305         Likewise.
 306         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
 307         Likewise.
 308         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
 309         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
 310         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
 311         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
 312         * testsuite/experimental/filesystem/path/decompose/extension.cc:
 313         Likewise.
 314         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
 315         * testsuite/experimental/filesystem/path/query/has_extension.cc:
 316         Likewise.
 317         * testsuite/experimental/filesystem/path/query/has_filename.cc:
 318         Likewise.
 319         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
 320         Likewise.
 321         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
 322         Likewise.
 323         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
 324         Likewise.
 325         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
 326         Likewise.
 327         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
 328         Likewise.
 329         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
 330         * testsuite/experimental/filesystem/path/query/is_relative.cc:
 331         Likewise.
 332
 333         PR libstdc++/84159
 334         * include/bits/fs_path.h (path::operator/=, path::append): Construct
 335         temporary path before calling _M_append.
 336         (path::_M_append): Change parameter to path and implement C++17
 337         semantics.
 338         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
 339         and more examples from the standard.
 340         * testsuite/27_io/filesystem/path/append/source.cc: New.
 341         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
 342         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
 343
 344         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
 345         __invoke to prevent ADL.
 346
 347 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
 348
 349         PR libstdc++/81256
 350         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
 351         exceptions from _M_terminate_output().
 352         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
 353         exceptions from close().
 354         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
 355
 356         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
 357         (__valarray_get_storage): Call operator new directly. Remove ignored
 358         top-level restrict qualifier and add malloc attribute instead.
 359         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
 360
 361         PR libstdc++/67554
 362         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
 363         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
 364
 365         PR libstdc++/82966
 366         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
 367         instead of type.
 368         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
 369
 370 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
 371
 372         PR libstdc++/80165
 373         * testsuite/20_util/variant/80165.cc: New.
 374
 375 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 376
 377         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
 378         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
 379         of C++11 containers with Debug Mode support.
 380         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
 381         * doc/html/*: Regenerate.
 382
 383 2018-05-10  Jason Merrill  <jason@redhat.com>
 384
 385         * include/bits/regex_compiler.h (_S_cache_size): Change from
 386         function to variable.
 387
 388 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
 389
 390         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
 391         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
 392         argument defaulted to +1.  Doxy comments on same.
 393         * testsuite/special_functions/02_assoc_legendre/
 394         check_value.cc: Regen.
 395         * testsuite/tr1/5_numerical_facilities/special_functions/
 396         02_assoc_legendre/check_value.cc: Regen.
 397
 398 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 399
 400         PR libstdc++/85729
 401         * include/bits/c++config.h (__replacement_assert): Add linkage
 402         specification.
 403         * include/bits/std_abs.h: Add comment to closing brace of block.
 404         * include/c_global/cstddef: Add linkage specification.
 405         * include/c_global/cstring: Likewise.
 406         * include/c_global/cwchar: Likewise.
 407
 408 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
 409
 410         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
 411         Rename in...
 412         (_Safe_iterator<>::_S_constant()): ...that.
 413         * include/debug/safe_local_iterator.h
 414         (_Safe_local_iterator<>::_M_constant()): Rename in...
 415         (_Safe_local_iterator<>::_S_constant()): ...that.
 416         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
 417         (_Iterator_state::__rbegin): New.
 418         (_Iterator_state::__rmiddle): New.
 419         (_Iterator_state::__rend): New.
 420         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
 421         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
 422         iterator type.
 423         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
 424         _Is_iterator)): Likewise.
 425         (_Parameter::_S_reverse_state(_Iterator_state)): New.
 426         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
 427         _Is_iterator)): New.
 428         (_Parameter(std::reverse_iterator<> const&, const char*,
 429         _Is_iterator)): New.
 430         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
 431         const char*, _Is_iterator)): New.
 432         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
 433         New.
 434         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
 435         _Is_iterator)): New.
 436         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
 437         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
 438         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
 439
 440 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
 441
 442         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
 443         Use constexpr if in C++17 mode.
 444         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
 445         Copy from const object.
 446         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
 447
 448 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
 449
 450         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
 451         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
 452         backtrace.
 453
 454         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
 455         * include/debug/functions.h (__check_valid_range): Use latter.
 456         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
 457         use latter.
 458         * include/debug/deque
 459         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
 460         * include/debug/forward_list
 461         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
 462         Likewise.
 463         * include/debug/list
 464         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 465         * include/debug/list
 466         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 467         * include/debug/map.h
 468         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 469         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
 470         Likewise.
 471         * include/debug/multimap.h
 472         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 473         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
 474         const _Alloc&)): Likewise.
 475         * include/debug/set.h
 476         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 477         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
 478         Likewise.
 479         * include/debug/multiset.h
 480         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 481         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
 482         const _Alloc&)): Likewise.
 483         * include/debug/string
 484         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
 485         Likewise.
 486         * include/debug/unordered_map
 487         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
 488         Likewise.
 489         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
 490         const _Alloc&)): Likewise.
 491         * include/debug/unordered_set
 492         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
 493         Likewise.
 494         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
 495         const _Alloc&)): Likewise.
 496         * include/debug/vector
 497         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
 498
 499         * include/debug/formatter.h (_Error_formatter::_M_function): New.
 500         (_Error_formatter(const char*, unsigned int)): Adapt.
 501         (_Error_formatter::_M_at): Rename in...
 502         (_Error_formatter::_S_at): ...that and adapt.
 503         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
 504         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
 505         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
 506         when available.
 507
 508 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
 509
 510         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
 511         Use normal std::vector even in Debug Mode.
 512
 513         PR libstdc++/85672
 514         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
 515         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
 516         * include/Makefile.in: Regenerate.
 517         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
 518         within conditional block.
 519
 520 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
 521
 522         * doc/xml/manual/using.xml (table.cmd_options): Document that the
 523         C++17 Filesystem implementation also needs -lstdc++fs.
 524
 525         PR libstdc++/85671
 526         * include/bits/fs_path.h (operator/): Permit copy elision.
 527         * include/experimental/bits/fs_path.h (operator/): Likewise.
 528
 529 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
 530
 531         Moar PR libstdc++/80506
 532         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
 533         Fix magic number used in loop condition.
 534
 535 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
 536
 537         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
 538         * include/std/optional (_Optional_payload): Add noexcept to default
 539         constructor. Re-indent.
 540         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
 541         constructor for copying disengaged payloads.
 542         (_Optional_payload<_Tp, true, false, true>): Likewise.
 543         (_Optional_payload<_Tp, true, true, false>): Likewise.
 544         (_Optional_payload<_Tp, true, false, false>): Likewise.
 545         * testsuite/20_util/optional/cons/85642.cc: New.
 546         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
 547
 548 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
 549
 550         PR libstdc++/82644
 551         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
 552         inline definitions instead of using-declarations.
 553         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
 554         * testsuite/tr1/5_numerical_facilities/special_functions/
 555         07_conf_hyperg/compile_cxx17.cc: New.
 556         * testsuite/tr1/5_numerical_facilities/special_functions/
 557         17_hyperg/compile_cxx17.cc: New.
 558
 559         PR libstdc++/84769
 560         * include/std/variant (visit): Qualify std::get call.
 561
 562         PR libstdc++/85632 use uintmax_t for arithmetic
 563         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
 564         arithmetic in result type.
 565         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
 566         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
 567         is greater than free space.
 568         * testsuite/experimental/filesystem/operations/space.cc: New.
 569
 570         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
 571         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
 572         New.
 573         * testsuite/20_util/remove_cvref/value.cc: New.
 574         * testsuite/20_util/remove_cvref/value_ext.cc: New.
 575
 576         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
 577         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
 578         (append(const basic_string&, size_type, size_type)
 579         (assign(const basic_string&, size_type, size_type)
 580         (insert(size_type, const basic_string&, size_type, size_type)
 581         (replace(size_type,size_type,const basic_string&,size_type,size_type)
 582         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
 583         Add default arguments (LWG 2268).
 584         [_GLIBCXX_USE_CXX11_ABI=0]
 585         (append(const basic_string&, size_type, size_type)
 586         (assign(const basic_string&, size_type, size_type)
 587         (insert(size_type, const basic_string&, size_type, size_type)
 588         (replace(size_type,size_type,const basic_string&,size_type,size_type)
 589         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
 590         Likewise.
 591         * testsuite/21_strings/basic_string/dr2268.cc: New test.
 592
 593         PR libstdc++/84535
 594         * include/std/thread (thread::__not_same): New SFINAE helper.
 595         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
 596         first argument is not a std::thread. Add static assertion to check
 597         INVOKE expression is valid.
 598         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
 599         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
 600         __invoke_result for return types and remove exception specifications.
 601         * testsuite/30_threads/thread/cons/84535.cc: New.
 602
 603         * include/std/future (__async_result_of): Use __invoke_result instead
 604         of result_of.
 605
 606         * include/std/any (any_cast): Use __remove_cvref_t.
 607         * include/std/tuple (__make_tuple): Likewise.
 608         * include/std/type_traits (__remove_cvref_t): Define.
 609         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
 610         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
 611         * include/std/variant (__erased_hash): Use __remove_cvref_t.
 612
 613 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
 614
 615         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
 616         ensure overloaded comma not used.
 617         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
 618         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
 619         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
 620         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
 621         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
 622         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
 623         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
 624
 625 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
 626
 627         PR libstdc++/68197
 628         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
 629         indices to unsigned.
 630         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
 631         as failure. Refactor error handling.
 632         * testsuite/27_io/ios_base/storage/68197.cc: New.
 633
 634         PR libstdc++/57997
 635         PR libstdc++/83860
 636         * include/bits/gslice_array.h (gslice_array): Define default
 637         constructor as deleted, as per C++11 standard.
 638         * include/bits/mask_array.h (mask_array): Likewise.
 639         * include/bits/slice_array.h (slice_array): Likewise.
 640         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
 641         to namespace __detail.
 642         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
 643         members.
 644         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
 645         of data members in closure objects.
 646         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
 647         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
 648         __detail.
 649         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
 650         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
 651         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
 652         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
 653         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
 654         using-declarations to namespace std.
 655         * testsuite/26_numerics/valarray/83860.cc: New.
 656
 657         * testsuite/backward/strstream_move.cc: Remove duplicate function
 658         call.
 659
 660         PR libstdc++/69608
 661         * include/backward/strstream (strstreambuf): Define move constructor
 662         and move assignment operator.
 663         (istrstream, ostrstream, strstream): Likewise.
 664         * testsuite/backward/strstream_move.cc: New.
 665
 666 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
 667
 668         PR libstdc++/84654
 669         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
 670         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
 671         * configure: Regenerate.
 672         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
 673         based on ENABLE_FLOAT128.
 674         * include/Makefile.in: Regenerate.
 675         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
 676         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
 677         _GLIBCXX_USE_FLOAT128.
 678
 679 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 680
 681         * configure: Regenerated.
 682
 683 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 684
 685         * configure: Regenerated.
 686
 687 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
 688             Jakub Jelinek  <jakub@redhat.com>
 689
 690         PR libstdc++/85442
 691         * src/c++11/Makefile.am: Don't generate debuginfo again for
 692         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
 693         * src/c++11/Makefile.in: Regenerate.
 694
 695 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
 696
 697         PR libstdc++/84442
 698         * testsuite/30_threads/thread/cons/terminate.cc
 699         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
 700
 701 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 702
 703         PR jit/85384
 704         * configure: Regenerate.
 705
 706 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
 707
 708         * testsuite/experimental/filesystem/file_status/1.cc: Add
 709         -DUSE_FILESYSTEM_TS to dg-options.
 710         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
 711         Likewise.
 712         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
 713         * testsuite/experimental/filesystem/iterators/
 714         recursive_directory_iterator.cc: Likewise.
 715         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
 716         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
 717         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
 718         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
 719         * testsuite/experimental/filesystem/operations/create_directories.cc:
 720         Likewise.
 721         * testsuite/experimental/filesystem/operations/create_directory.cc:
 722         Likewise.
 723         * testsuite/experimental/filesystem/operations/create_symlink.cc:
 724         Likewise.
 725         * testsuite/experimental/filesystem/operations/current_path.cc:
 726         Likewise.
 727         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
 728         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
 729         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
 730         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
 731         * testsuite/experimental/filesystem/operations/last_write_time.cc:
 732         Likewise.
 733         * testsuite/experimental/filesystem/operations/permissions.cc:
 734         Likewise.
 735         * testsuite/experimental/filesystem/operations/read_symlink.cc:
 736         Likewise.
 737         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
 738         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
 739         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
 740         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
 741         Likewise.
 742         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
 743         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
 744         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
 745         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
 746         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
 747         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
 748         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
 749         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
 750         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
 751         * testsuite/experimental/filesystem/path/construct/default.cc:
 752         Likewise.
 753         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
 754         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
 755         * testsuite/experimental/filesystem/path/construct/string_view.cc:
 756         Likewise.
 757         * testsuite/experimental/filesystem/path/decompose/extension.cc:
 758         Likewise.
 759         * testsuite/experimental/filesystem/path/decompose/filename.cc:
 760         Likewise.
 761         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
 762         Likewise.
 763         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
 764         Likewise.
 765         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
 766         Likewise.
 767         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
 768         Likewise.
 769         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
 770         Likewise.
 771         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
 772         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
 773         Likewise.
 774         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
 775         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
 776         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
 777         Likewise.
 778         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
 779         Likewise.
 780         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
 781         Likewise.
 782         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
 783         Likewise.
 784         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
 785         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
 786         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
 787         Likewise.
 788         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
 789         * testsuite/experimental/filesystem/path/query/has_extension.cc:
 790         Likewise.
 791         * testsuite/experimental/filesystem/path/query/has_filename.cc:
 792         Likewise.
 793         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
 794         Likewise.
 795         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
 796         Likewise.
 797         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
 798         Likewise.
 799         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
 800         Likewise.
 801         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
 802         Likewise.
 803         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
 804         * testsuite/experimental/filesystem/path/query/is_relative.cc:
 805         Likewise.
 806
 807 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
 808
 809         * src/c++11/Makefile.am: Fix sed command.
 810         * src/c++11/Makefile.in: Regenerate.
 811
 812         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
 813         handle mangled names starting with double underscores on darwin.
 814         * src/c++11/Makefile.in: Regenerate.
 815
 816 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
 817
 818         * src/c++11/Makefile.am: Fix comment.
 819         * src/c++11/Makefile.in: Regenerate.
 820         * src/c++11/cxx11-ios_failure.cc: Fix comment.
 821         * src/c++98/ios_failure.cc: Likewise.
 822
 823         * src/c++11/ios.cc: Remove redundant macro definition.
 824
 825 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
 826
 827         * doc/xml/manual/abi.xml: Document header locations in recent
 828         releases.
 829         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
 830         * doc/xml/manual/spine.xml: Update copyright years.
 831         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
 832         undefined behaviour.
 833         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
 834         * doc/html/*: Regenerate.
 835
 836 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
 837
 838         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
 839         * doc/xml/manual/backwards_compatibility.xml: Likewise.
 840         * doc/xml/manual/containers.xml: Likewise.
 841         * doc/xml/manual/debug_mode.xml: Likewise.
 842         * doc/xml/manual/extensions.xml: Likewise.
 843         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
 844         * doc/xml/manual/using.xml: Likewise.
 845         * doc/xml/manual/utilities.xml: Likewise.
 846
 847         PR libstdc++/85222
 848         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
 849         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
 850         * src/c++11/Makefile.in: Regenerate.
 851         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
 852         New types.
 853         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
 854         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
 855         * src/c++98/ios_failure.cc (__construct_ios_failure)
 856         (__destroy_ios_failure, is_ios_failure_handler): New functions.
 857         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
 858         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
 859         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
 860         handler types, to always catch std::ios_base::failure.
 861         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
 862         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
 863         exceptions_failbit.cc: Likewise.
 864         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
 865         exceptions_failbit.cc: Likewise.
 866         * testsuite/27_io/basic_istream/extractors_other/char/
 867         exceptions_null.cc: Likewise.
 868         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
 869         exceptions_null.cc: Likewise.
 870         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
 871         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
 872         * testsuite/27_io/basic_ostream/inserters_other/char/
 873         exceptions_null.cc: Likewise.
 874         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
 875         exceptions_null.cc: Likewise.
 876         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
 877
 878 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
 879
 880         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
 881         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
 882
 883 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
 884
 885         PR libstdc++/85183
 886         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
 887         value categories.
 888         * testsuite/20_util/variant/85183.cc: New.
 889
 890 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
 891
 892         * include/std/variant (__get): Qualify calls to avoid ADL.
 893         (__select_index): Adjust whitespace.
 894         (variant): Add using-declaration to workaround Clang bug.
 895
 896 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
 897
 898         PR libstdc++/85040
 899         * include/bits/stl_function.h (greater::__not_overloaded)
 900         (less::__not_overloaded, greater_equal::__not_overloaded)
 901         (less_equal::__not_overloaded): Fix ambiguous specializations.
 902         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
 903         tests for type with overloaded operators.
 904
 905 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 906
 907         PR libstdc++/77691
 908         * testsuite/experimental/memory_resource/resource_adaptor.cc:
 909         xfail execution on 32-bit Solaris/x86.
 910
 911 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
 912
 913         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
 914         VERIFY instead of assert.
 915         * testsuite/20_util/hash/84998.cc: New test.
 916         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
 917         copy of test adjusted for Debug Mode.
 918         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
 919         test in Debug Mode.
 920
 921 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
 922
 923         PR libstdc++/84998
 924         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
 925         * include/std/bitset: Likewise.
 926         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
 927         declaration.
 928         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
 929         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
 930         * include/bits/stl_set.h (std::set<>): Likewise.
 931         * include/bits/unordered_map.h (std::unordered_map<>): Fix
 932         _Hash_merge_helper friend declaration.
 933         (std::unordered_multimap<>): Likewise.
 934         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
 935         (std::unordered_multiset<>): Likewise.
 936
 937 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
 938
 939         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
 940         trailing slash for domain level link.
 941         * doc/xml/faq.xml: Ditto.
 942         * doc/xml/manual/appendix_free.xml (software): Ditto.
 943         * doc/xml/manual/intro.xml: Ditto.
 944         * doc/xml/manual/spine.xml: Ditto.
 945         * doc/xml/spine.xml: Ditto.
 946
 947 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
 948
 949         * doc/xml/manual/documentation_hacking.xml: Adjust link to
 950         docbook.org.
 951
 952 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
 953
 954         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
 955         to compile as C++98.
 956
 957 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
 958
 959         PR libstdc++/78420
 960         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
 961         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
 962         to ensure total order for pointers.
 963         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
 964         Add operator() overloads for pointer arguments and make generic
 965         overloads dispatch to new _S_cmp functions when comparisons would
 966         use built-in operators for pointers.
 967         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
 968
 969 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
 970
 971         PR libstdc++/84773
 972         PR libstdc++/83662
 973         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
 974         * configure: Regenerate.
 975         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
 976         (aligned_alloc): Add using-declaration.
 977         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
 978
 979 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
 980
 981         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
 982         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
 983         registration.
 984
 985 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
 986
 987         PR libstdc++/84769
 988         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
 989         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
 990
 991         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
 992         src/filesystem/std-ops.cc (create_dir): Likewise.
 993
 994 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
 995
 996         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
 997         (StdListIteratorPrinter): Inherit from latter.
 998         (StdFwdListIteratorPrinter): New, inherit from latter.
 999         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
1000         when iterator has no associated container.
1001         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
1002         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
1003         registrations.
1004         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
1005         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
1006
1007 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
1008
1009         PR libstdc++/84601
1010         * include/std/optional (_Optional_payload): Split into multiple
1011         specializations that can handle different cases of trivial or
1012         non-trivial assignment operators.
1013         * testsuite/20_util/optional/84601.cc: New.
1014         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1015
1016 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
1017
1018         PR libstdc++/84671
1019         * include/bits/parse_numbers.h (_Number_help): Add partial
1020         specialization to handle digit separators. Adjust partial
1021         specialization for recursion temrination to require _Pow == 1ULL.
1022         * testsuite/20_util/duration/literals/84671.cc: New
1023
1024 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
1025
1026         Implement the missing bits of LWG 2769
1027         * include/std/any (any_cast(const any&)): Add static_assert.
1028         (any_cast(any&)): Likewise.
1029         (any_cast(any&&)): Likewise, and remove the handling
1030         for copyable-but-not-movable type.
1031         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
1032         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
1033         add new tests.
1034
1035 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
1036
1037         PR libstdc++/84532
1038         * include/std/thread (thread::__make_invoker): Construct tuple
1039         directly instead of using make_tuple.
1040         * testsuite/30_threads/async/84532.cc: New.
1041         * testsuite/30_threads/thread/84532.cc: New.
1042
1043 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
1044
1045         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
1046         (template<> __aligned_buffer): Define as __aligned_membuf alias.
1047
1048 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
1049
1050         PR target/84148
1051         * configure: Regenerate.
1052
1053 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
1054
1055         PR libstdc++/81797
1056         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
1057         * configure: Regenerate.
1058         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
1059         defined.
1060         * include/Makefile.in: Regenerate.
1061
1062 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
1063
1064         PR libstdc++/83833
1065         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1066         Add -ffloat-store to options for m68k and ia32.
1067
1068         * doc/xml/faq.xml: Update copyright years.
1069         * doc/html/*: Regenerate.
1070
1071         PR libstdc++/83658
1072         * include/std/any (any::__do_emplace): Only set _M_manager after
1073         constructing the contained object.
1074         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
1075         * testsuite/20_util/any/modifiers/83658.cc: New test.
1076
1077 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
1078
1079         PR libstdc++/81076
1080         * include/c_global/cstddef (__byte_operand): Define primary template.
1081         * testsuite/18_support/byte/81076.cc: New test.
1082
1083 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
1084
1085         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
1086         dg-options and dg-add-options order.
1087         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
1088         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
1089         Likewise.
1090         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
1091         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
1092         Likewise.
1093         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
1094         Likewise.
1095         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
1096         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
1097         Likewise.
1098         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
1099         Likewise.
1100         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
1101         Likewise.
1102         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
1103         Likewise.
1104         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
1105         Likewise.
1106         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
1107         Likewise.
1108         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
1109         Likewise.
1110         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
1111         Likewise.
1112         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
1113         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
1114         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
1115         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
1116         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
1117         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
1118         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
1119         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
1120         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
1121         Likewise.
1122         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
1123         Likewise.
1124         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
1125         Likewise.
1126         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
1127         Likewise.
1128
1129 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
1130
1131         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
1132         include linux/types.h when checking linux/random.h header.
1133         * config.h.in: Regenerate.
1134         * configure: Ditto.
1135         * src/c++11/random.cc: Conditionally include linux/types.h.
1136
1137 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1138
1139         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
1140
1141 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
1142
1143         PR libstdc++/83834
1144         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
1145         pattern with exact match for std::cerr.
1146
1147 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1148
1149         PR libstdc++/83833
1150         * include/bits/random.h (chi_squared_distribution::param): Update
1151         gamma distribution parameter.
1152         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
1153         test.
1154
1155         PR libstdc++/83830
1156         * include/std/type_traits (has_unique_object_representations_v): Add
1157         variable template.
1158         * testsuite/20_util/has_unique_object_representations/value.cc: Check
1159         variable template.
1160
1161 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
1162
1163         Make optional conditionally
1164         trivially_{copy,move}_{constructible,assignable}
1165         * include/std/optional (_Optional_payload): Fix the comment in
1166         the class head and turn into a primary and one specialization.
1167         (_Optional_payload::_M_engaged): Strike the NSDMI.
1168         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
1169         New.
1170         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
1171         Likewise.
1172         (_Optional_payload<_Tp, false>::_M_get): Likewise.
1173         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
1174         (_Optional_base_impl): Likewise.
1175         (_Optional_base): Turn into a primary and three specializations.
1176         (optional(nullopt)): Change the base init.
1177         * testsuite/20_util/optional/assignment/8.cc: New.
1178         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
1179         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1180
1181 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1182
1183         PR libstdc++/80276
1184         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
1185         (get_template_arg_list): New.
1186         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
1187         instead.
1188         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
1189         of strings and regular expressions.
1190         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
1191         (FilteringTypePrinter): Add docstring. Match using startswith. Use
1192         strip_inline_namespaces instead of strip_versioned_namespace.
1193         (add_one_type_printer): Prepend namespace to match argument.
1194         (register_type_printers): Add type printers for char16_t and char32_t
1195         string types and for types using cxx11 ABI. Update calls to
1196         add_one_template_type_printer to provide default argument dicts.
1197         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
1198         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
1199         basic_string<unsigned char> and basic_string<signed char>.
1200         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
1201         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
1202
1203 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
1204
1205         PR libstdc++/81092
1206         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1207
1208 2018-01-13  Tim Shen  <timshen@google.com>
1209
1210         PR libstdc++/83601
1211         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
1212         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
1213         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
1214
1215 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1216
1217         PR libstdc++/64054
1218         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
1219         Remove dg-xfail-run-if.
1220
1221 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
1222
1223         * include/bits/forward_list.h
1224         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
1225         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
1226         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
1227         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
1228         (_Fwd_list_impl()): Add noexcept qualification.
1229         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
1230         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
1231         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
1232         (_Fwd_list_base()): Default.
1233         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
1234         (_Fwd_list_base(_Fwd_list_base&&)): Default.
1235         (forward_list<>()): Default.
1236         (forward_list<>(forward_list&&)): Default.
1237         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
1238         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
1239         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
1240         * include/bits/forward_list.tcc
1241         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
1242         _M_impl._M_head move assignment.
1243         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
1244         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
1245
1246 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
1247
1248         PR libstdc++/80276
1249         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
1250         (UniquePointerPrinter): Print correct template argument, not type of
1251         the pointer.
1252         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
1253         a type.
1254         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
1255         array type.
1256         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
1257         weak_ptr of array types.
1258
1259 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
1260
1261         PR libstdc++/83709
1262         * include/bits/hashtable_policy.h
1263         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
1264         __first != __last.
1265         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
1266         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
1267         Add false_type parameter.
1268         (_Insert_base::insert): Adapt.
1269         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
1270         Adapt.
1271         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
1272          Add __n_elt parameter, defaulted to 1.
1273         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
1274         policy _M_need_rehash.
1275         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
1276         produce only 1 rehash if necessary.
1277         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
1278         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
1279
1280 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
1281             Jonathan Wakely  <jwakely@redhat.com>
1282
1283         PR libstdc++/59253 (partial)
1284         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
1285         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
1286         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
1287         children.
1288         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
1289         of unique_ptr printer.
1290         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
1291         output of shared_ptr printer.
1292
1293 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
1294
1295         PR libstdc++/83626
1296         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
1297         unnecessary symlink_status call.
1298         (remove_all(const path&, error_code&)): Use filesystem::remove.
1299         * src/filesystem/std-ops.cc: Likewise.
1300
1301         PR libstdc++/83279
1302         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
1303         sendfile.
1304
1305         PR libstdc++/83626
1306         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
1307         report an error for ENOENT.
1308         (remove_all(const path&)): Fix type of result variable.
1309         (remove_all(const path&, error_code&)): Use non-throwing increment
1310         for directory iterator. Call POSIX remove directly to avoid redundant
1311         calls to symlink_status. Do not report errors for ENOENT.
1312         * src/filesystem/std-ops.cc: Likewise.
1313         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
1314         overload.
1315         * testsuite/experimental/filesystem/operations/remove_all.cc:
1316         Likewise.
1317
1318 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
1319
1320         PR libstdc++/83626
1321         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
1322         redundant call to ec.clear().
1323         (remove_all(const path&, error_code&))): Do not return an error for
1324         non-existent paths.
1325         * src/filesystem/std-ops.cc: Likewise.
1326         * testsuite/27_io/filesystem/operations/remove.cc: New test.
1327         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
1328         results for non-existent paths.
1329         * testsuite/experimental/filesystem/operations/remove.cc: New test.
1330         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
1331         expected results for non-existent paths.
1332
1333         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
1334         check status_known once.
1335         * include/experimental/bits/fs_ops.h: Likewise.
1336
1337         PR libstdc++/83607
1338         * include/std/functional (__is_byte_like): New trait.
1339         (__is_std_equal_to): Remove.
1340         (__boyer_moore_base_t): Use __is_byte_like instead of
1341         __is_std_equal_to.
1342         * include/experimental/functional (__is_std_equal_to): Remove.
1343         (__boyer_moore_base_t): Use __is_byte_like instead of
1344         __is_std_equal_to.
1345         * testsuite/20_util/function_objects/83607.cc: New test.
1346
1347 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
1348
1349         Protect optional's deduction guide with the feature macro
1350         * include/std/optional: Use the feature macro.
1351
1352 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1353
1354         Update copyright years.
1355 \f
1356 Copyright (C) 2018 Free Software Foundation, Inc.
1357
1358 Copying and distribution of this file, with or without modification,
1359 are permitted in any medium without royalty provided the copyright
1360 notice and this notice are preserved.