libstdc++-v3/ChangeLog

   1 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         PR libstdc++/85951
   4         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
   5         uint_least16_t and uint_least32_t.
   6         (__make_unsigned<wchar_t>): Define unconditionally.
   7         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
   8         typedefs.
   9         (__make_unsigned_selector_base): New type to provide helper templates.
  10         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
  11         __make_unsigned_selector_base helpers.
  12         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
  13         (__make_signed_selector<_Tp, true, false>): Remove intermediate
  14         typedefs.
  15         (__make_signed<wchar_t>, __make_signed<char16_t>)
  16         (__make_signed<char32_t>)): Define unconditionally.
  17         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
  18         wchar_t, char16_t and char32_t are transformed correctly.
  19         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
  20         dg-error lineno.
  21         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
  22         wchar_t, char16_t and char32_t are transformed correctly.
  23         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
  24         dg-error lineno.
  25
  26 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
  27
  28         * include/std/variant (__erased_dtor): Qualify call to __get.
  29
  30 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
  31
  32         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
  33         (_Rb_tree(const allocator_type&)): Use latter.
  34         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
  35         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
  36         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
  37         * include/bits/stl_multimap.h
  38         (multimap(const allocator_type&)): Likewise.
  39         (multimap(initializer_list<value_type>, const allocator_type&)):
  40         Likewise.
  41         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
  42         Likewise.
  43         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
  44         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
  45         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
  46         * include/bits/stl_multiset.h
  47         (multiset(const allocator_type&)): Likewise.
  48         (multiset(initializer_list<value_type>, const allocator_type&)):
  49         Likewise.
  50         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
  51         Likewise.
  52
  53 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
  54
  55         PR libstdc++/85768
  56         * src/c++11/debug.cc: Remove backtrace usage.
  57
  58 2018-05-24  Maya Rashish  <coypu@sdf.org>
  59
  60         PR target/85904
  61         * crossconfig.m4: Test for aligned_alloc on netbsd.
  62         * configure: Regenerate.
  63
  64 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
  65
  66         PR libstdc++/69769
  67         PR libstdc++/85886
  68         * include/bits/atomic_base.h (__atomic_base::value_type)
  69         (__atomic_base::difference_type): Add new typedefs.
  70         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
  71         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
  72         (atomic<T*>::operator++, atomic<T*>::operator--)
  73         (atomic<T*>::operator+=, atomic<T*>::operator-=)
  74         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
  75         to enforce C++17 requirement on pointer arithmetic.
  76         (__atomic_val_t, __atomic_diff_t): New alias templates.
  77         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
  78         (atomic_compare_exchange_weak_explicit)
  79         (atomic_compare_exchange_strong_explicit, atomic_store)
  80         (atomic_exchange, atomic_compare_exchange_weak)
  81         (atomic_compare_exchange_strong): Use __atomic_val_t to make
  82         scalar parameters be non-deduced contexts.
  83         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
  84         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
  85         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
  86         parameters.
  87         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
  88         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
  89         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
  90         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
  91         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
  92         address types.
  93         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
  94         * testsuite/29_atomics/atomic/69769.cc: New test.
  95         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
  96         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
  97         Disable test for C++17 and later.
  98         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
  99         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
 100         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
 101         test.
 102
 103 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
 104
 105         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
 106         template to alias template.
 107         (path::__value_type_is_char): Use remove_const_t.
 108         (path:_S_string_from_iter): New helper function.
 109         (path::_S_convert(InputIter, __null_terminated))
 110         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
 111         Use _S_string_from_iter.
 112         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
 113         rep for COW strings.
 114         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
 115         Change from class template to alias template.
 116         (path::__value_type_is_char): Use remove_const.
 117         (path:_S_string_from_iter): New helper function.
 118         (path::_S_convert(InputIter, __null_terminated))
 119         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
 120         Use _S_string_from_iter.
 121         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
 122         wide strings.
 123         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
 124         string equality, not path equivalence.
 125         * testsuite/27_io/filesystem/path/construct/format.cc: Check
 126         construction from std::string and std::wstring and input iterators.
 127         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
 128         construction from iterators.
 129         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
 130         exact string equality, not path equivalence.
 131         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
 132         construction from iterators.
 133
 134         * include/bits/fs_path.h (path::_M_type): Change default member
 135         initializer to _Filename.
 136         (path::begin): Create past-the-end iterator for empty path.
 137         * src/filesystem/std-path.cc (path::remove_filename()): Remove
 138         debugging check.
 139         (path::has_relative_path()): Return false for empty filenames.
 140         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
 141         Fix offset of empty final component.
 142         * testsuite/27_io/filesystem/path/itr/components.cc: New.
 143         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
 144
 145 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 146
 147         Add support for opening file streams from wide character strings.
 148         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
 149         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 150         Define new overload.
 151         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
 152         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 153         Declare new overload.
 154         * configure.ac: Check for _wfopen.
 155         * crossconfig.m4: Likewise.
 156         * configure: Regenerate.
 157         * config.h.in: Regenerate.
 158         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
 159         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 160         Define new overload.
 161         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
 162         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 163         Declare new overload.
 164         [_GLIBCXX_HAVE__WFOPEN]
 165         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 166         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
 167         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 168         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
 169         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 170         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
 171         new overloads.
 172         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
 173         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
 174         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
 175         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
 176         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
 177         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
 178         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
 179
 180 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
 181
 182         PR libstdc++/85845
 183         * include/bits/stl_tree.h
 184         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
 185         qualification.
 186
 187 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 188
 189         * src/filesystem/std-ops.cc (absolute): Report an error for empty
 190         paths.
 191         (weakly_canonical(const path&)): Do not call canonical on empty path.
 192         (weakly_canonical(const path&, error_code&)): Likewise.
 193         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
 194
 195         PR libstdc++/85818
 196         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
 197         dg-require-filesystem-ts.
 198
 199         PR libstdc++/85843
 200         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
 201         initialize base class to avoid warnings.
 202
 203 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
 204
 205         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
 206         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
 207         little_endian element in bitmask.
 208         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
 209         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
 210
 211 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
 212
 213         * include/bits/stl_tree.h
 214         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
 215         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
 216         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
 217         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
 218         * include/debug/map.h
 219         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
 220         * include/debug/multimap.h
 221         (multimap(multimap&&, const_allocator_type&)): Likewise.
 222         * include/debug/set.h
 223         (set(set&&, const_allocator_type&)): Likewise.
 224         * include/debug/multiset.h
 225         (multiset(multiset&&, const_allocator_type&)): Likewise.
 226         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
 227         Add checks.
 228         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
 229         Add checks.
 230         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
 231         Add checks.
 232         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
 233         Add checks.
 234         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
 235         Add checks.
 236         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
 237         Add checks.
 238         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
 239         Add checks.
 240         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
 241         Add checks.
 242
 243 2018-05-18  Jason Merrill  <jason@redhat.com>
 244
 245         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
 246         for conversion to const_iterator.  Add defaulted copy ops.
 247         * libsupc++/new (bad_alloc): Add defaulted copy ops.
 248         * libsupc++/exception.h (exception): Add defaulted copy ops.
 249         * include/std/system_error (system_error): Add defaulted copy ops.
 250         * include/std/stdexcept (domain_error, invalid_argument)
 251         (length_error, out_of_range, range_error, overflow_error)
 252         (underflow_error): Add defaulted copy ops.
 253         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
 254         copy assignment.
 255         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
 256         * include/ext/throw_allocator.h (condition_base): Add defaulted
 257         default and copy ctor and copy assignment.
 258
 259 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
 260
 261         PR libstdc++/85098
 262         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
 263         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
 264         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
 265         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
 266         definitions.
 267         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
 268         whitespace.
 269         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
 270         braces around body of do-while.
 271         * testsuite/28_regex/basic_regex/85098.cc: New
 272
 273 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
 274
 275         PR libstdc++/85818
 276         * src/filesystem/path.cc (path::preferred_separator): Add used
 277         attribute.
 278         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
 279
 280         PR libstdc++/85812
 281         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
 282         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
 283         Refactor to separate non-throwing and throwing implementations.
 284         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
 285         if constructing the object throws.
 286
 287 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
 288
 289         PR libstdc++/85749
 290         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
 291         (linear_congruential_engine, mersenne_twister_engine)
 292         (subtract_with_carry_engine, discard_block_engine)
 293         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
 294         constrain function templates taking seed sequences.
 295         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
 296         (mersenne_twister_engine::seed(_Sseq&))
 297         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
 298         match declarations.
 299         * include/ext/random (simd_fast_mersenne_twister_engine): Use
 300         __is_seed_seq to constrain function templates taking seed sequences.
 301         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
 302         Change return type to match declaration.
 303         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
 304         New.
 305         * testsuite/26_numerics/random/independent_bits_engine/cons/
 306         seed_seq2.cc: New.
 307         * testsuite/26_numerics/random/linear_congruential_engine/cons/
 308         seed_seq2.cc: New.
 309         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
 310         seed_seq2.cc: New.
 311         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
 312         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
 313         New.
 314         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
 315         seed_seq2.cc: New.
 316         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
 317         seed_seq2.cc: New.
 318
 319         PR libstdc++/83891
 320         * include/bits/fs_path.h (path::is_absolute()): Use same definition
 321         for all operating systems.
 322         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
 323         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
 324         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
 325         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
 326
 327         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
 328         unused <vector> header.
 329         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
 330         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
 331         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
 332         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
 333         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
 334         Likewise.
 335         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
 336         Likewise.
 337         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
 338         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
 339         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
 340         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
 341         * testsuite/experimental/filesystem/path/decompose/extension.cc:
 342         Likewise.
 343         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
 344         * testsuite/experimental/filesystem/path/query/has_extension.cc:
 345         Likewise.
 346         * testsuite/experimental/filesystem/path/query/has_filename.cc:
 347         Likewise.
 348         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
 349         Likewise.
 350         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
 351         Likewise.
 352         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
 353         Likewise.
 354         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
 355         Likewise.
 356         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
 357         Likewise.
 358         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
 359         * testsuite/experimental/filesystem/path/query/is_relative.cc:
 360         Likewise.
 361
 362         PR libstdc++/84159
 363         * include/bits/fs_path.h (path::operator/=, path::append): Construct
 364         temporary path before calling _M_append.
 365         (path::_M_append): Change parameter to path and implement C++17
 366         semantics.
 367         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
 368         and more examples from the standard.
 369         * testsuite/27_io/filesystem/path/append/source.cc: New.
 370         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
 371         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
 372
 373         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
 374         __invoke to prevent ADL.
 375
 376 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
 377
 378         PR libstdc++/81256
 379         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
 380         exceptions from _M_terminate_output().
 381         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
 382         exceptions from close().
 383         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
 384
 385         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
 386         (__valarray_get_storage): Call operator new directly. Remove ignored
 387         top-level restrict qualifier and add malloc attribute instead.
 388         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
 389
 390         PR libstdc++/67554
 391         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
 392         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
 393
 394         PR libstdc++/82966
 395         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
 396         instead of type.
 397         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
 398
 399 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
 400
 401         PR libstdc++/80165
 402         * testsuite/20_util/variant/80165.cc: New.
 403
 404 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 405
 406         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
 407         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
 408         of C++11 containers with Debug Mode support.
 409         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
 410         * doc/html/*: Regenerate.
 411
 412 2018-05-10  Jason Merrill  <jason@redhat.com>
 413
 414         * include/bits/regex_compiler.h (_S_cache_size): Change from
 415         function to variable.
 416
 417 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
 418
 419         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
 420         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
 421         argument defaulted to +1.  Doxy comments on same.
 422         * testsuite/special_functions/02_assoc_legendre/
 423         check_value.cc: Regen.
 424         * testsuite/tr1/5_numerical_facilities/special_functions/
 425         02_assoc_legendre/check_value.cc: Regen.
 426
 427 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 428
 429         PR libstdc++/85729
 430         * include/bits/c++config.h (__replacement_assert): Add linkage
 431         specification.
 432         * include/bits/std_abs.h: Add comment to closing brace of block.
 433         * include/c_global/cstddef: Add linkage specification.
 434         * include/c_global/cstring: Likewise.
 435         * include/c_global/cwchar: Likewise.
 436
 437 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
 438
 439         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
 440         Rename in...
 441         (_Safe_iterator<>::_S_constant()): ...that.
 442         * include/debug/safe_local_iterator.h
 443         (_Safe_local_iterator<>::_M_constant()): Rename in...
 444         (_Safe_local_iterator<>::_S_constant()): ...that.
 445         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
 446         (_Iterator_state::__rbegin): New.
 447         (_Iterator_state::__rmiddle): New.
 448         (_Iterator_state::__rend): New.
 449         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
 450         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
 451         iterator type.
 452         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
 453         _Is_iterator)): Likewise.
 454         (_Parameter::_S_reverse_state(_Iterator_state)): New.
 455         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
 456         _Is_iterator)): New.
 457         (_Parameter(std::reverse_iterator<> const&, const char*,
 458         _Is_iterator)): New.
 459         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
 460         const char*, _Is_iterator)): New.
 461         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
 462         New.
 463         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
 464         _Is_iterator)): New.
 465         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
 466         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
 467         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
 468
 469 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
 470
 471         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
 472         Use constexpr if in C++17 mode.
 473         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
 474         Copy from const object.
 475         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
 476
 477 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
 478
 479         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
 480         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
 481         backtrace.
 482
 483         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
 484         * include/debug/functions.h (__check_valid_range): Use latter.
 485         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
 486         use latter.
 487         * include/debug/deque
 488         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
 489         * include/debug/forward_list
 490         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
 491         Likewise.
 492         * include/debug/list
 493         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 494         * include/debug/list
 495         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 496         * include/debug/map.h
 497         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 498         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
 499         Likewise.
 500         * include/debug/multimap.h
 501         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 502         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
 503         const _Alloc&)): Likewise.
 504         * include/debug/set.h
 505         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 506         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
 507         Likewise.
 508         * include/debug/multiset.h
 509         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 510         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
 511         const _Alloc&)): Likewise.
 512         * include/debug/string
 513         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
 514         Likewise.
 515         * include/debug/unordered_map
 516         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
 517         Likewise.
 518         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
 519         const _Alloc&)): Likewise.
 520         * include/debug/unordered_set
 521         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
 522         Likewise.
 523         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
 524         const _Alloc&)): Likewise.
 525         * include/debug/vector
 526         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
 527
 528         * include/debug/formatter.h (_Error_formatter::_M_function): New.
 529         (_Error_formatter(const char*, unsigned int)): Adapt.
 530         (_Error_formatter::_M_at): Rename in...
 531         (_Error_formatter::_S_at): ...that and adapt.
 532         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
 533         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
 534         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
 535         when available.
 536
 537 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
 538
 539         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
 540         Use normal std::vector even in Debug Mode.
 541
 542         PR libstdc++/85672
 543         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
 544         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
 545         * include/Makefile.in: Regenerate.
 546         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
 547         within conditional block.
 548
 549 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
 550
 551         * doc/xml/manual/using.xml (table.cmd_options): Document that the
 552         C++17 Filesystem implementation also needs -lstdc++fs.
 553
 554         PR libstdc++/85671
 555         * include/bits/fs_path.h (operator/): Permit copy elision.
 556         * include/experimental/bits/fs_path.h (operator/): Likewise.
 557
 558 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
 559
 560         Moar PR libstdc++/80506
 561         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
 562         Fix magic number used in loop condition.
 563
 564 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
 565
 566         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
 567         * include/std/optional (_Optional_payload): Add noexcept to default
 568         constructor. Re-indent.
 569         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
 570         constructor for copying disengaged payloads.
 571         (_Optional_payload<_Tp, true, false, true>): Likewise.
 572         (_Optional_payload<_Tp, true, true, false>): Likewise.
 573         (_Optional_payload<_Tp, true, false, false>): Likewise.
 574         * testsuite/20_util/optional/cons/85642.cc: New.
 575         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
 576
 577 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
 578
 579         PR libstdc++/82644
 580         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
 581         inline definitions instead of using-declarations.
 582         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
 583         * testsuite/tr1/5_numerical_facilities/special_functions/
 584         07_conf_hyperg/compile_cxx17.cc: New.
 585         * testsuite/tr1/5_numerical_facilities/special_functions/
 586         17_hyperg/compile_cxx17.cc: New.
 587
 588         PR libstdc++/84769
 589         * include/std/variant (visit): Qualify std::get call.
 590
 591         PR libstdc++/85632 use uintmax_t for arithmetic
 592         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
 593         arithmetic in result type.
 594         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
 595         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
 596         is greater than free space.
 597         * testsuite/experimental/filesystem/operations/space.cc: New.
 598
 599         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
 600         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
 601         New.
 602         * testsuite/20_util/remove_cvref/value.cc: New.
 603         * testsuite/20_util/remove_cvref/value_ext.cc: New.
 604
 605         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
 606         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
 607         (append(const basic_string&, size_type, size_type)
 608         (assign(const basic_string&, size_type, size_type)
 609         (insert(size_type, const basic_string&, size_type, size_type)
 610         (replace(size_type,size_type,const basic_string&,size_type,size_type)
 611         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
 612         Add default arguments (LWG 2268).
 613         [_GLIBCXX_USE_CXX11_ABI=0]
 614         (append(const basic_string&, size_type, size_type)
 615         (assign(const basic_string&, size_type, size_type)
 616         (insert(size_type, const basic_string&, size_type, size_type)
 617         (replace(size_type,size_type,const basic_string&,size_type,size_type)
 618         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
 619         Likewise.
 620         * testsuite/21_strings/basic_string/dr2268.cc: New test.
 621
 622         PR libstdc++/84535
 623         * include/std/thread (thread::__not_same): New SFINAE helper.
 624         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
 625         first argument is not a std::thread. Add static assertion to check
 626         INVOKE expression is valid.
 627         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
 628         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
 629         __invoke_result for return types and remove exception specifications.
 630         * testsuite/30_threads/thread/cons/84535.cc: New.
 631
 632         * include/std/future (__async_result_of): Use __invoke_result instead
 633         of result_of.
 634
 635         * include/std/any (any_cast): Use __remove_cvref_t.
 636         * include/std/tuple (__make_tuple): Likewise.
 637         * include/std/type_traits (__remove_cvref_t): Define.
 638         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
 639         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
 640         * include/std/variant (__erased_hash): Use __remove_cvref_t.
 641
 642 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
 643
 644         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
 645         ensure overloaded comma not used.
 646         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
 647         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
 648         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
 649         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
 650         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
 651         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
 652         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
 653
 654 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
 655
 656         PR libstdc++/68197
 657         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
 658         indices to unsigned.
 659         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
 660         as failure. Refactor error handling.
 661         * testsuite/27_io/ios_base/storage/68197.cc: New.
 662
 663         PR libstdc++/57997
 664         PR libstdc++/83860
 665         * include/bits/gslice_array.h (gslice_array): Define default
 666         constructor as deleted, as per C++11 standard.
 667         * include/bits/mask_array.h (mask_array): Likewise.
 668         * include/bits/slice_array.h (slice_array): Likewise.
 669         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
 670         to namespace __detail.
 671         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
 672         members.
 673         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
 674         of data members in closure objects.
 675         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
 676         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
 677         __detail.
 678         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
 679         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
 680         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
 681         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
 682         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
 683         using-declarations to namespace std.
 684         * testsuite/26_numerics/valarray/83860.cc: New.
 685
 686         * testsuite/backward/strstream_move.cc: Remove duplicate function
 687         call.
 688
 689         PR libstdc++/69608
 690         * include/backward/strstream (strstreambuf): Define move constructor
 691         and move assignment operator.
 692         (istrstream, ostrstream, strstream): Likewise.
 693         * testsuite/backward/strstream_move.cc: New.
 694
 695 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
 696
 697         PR libstdc++/84654
 698         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
 699         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
 700         * configure: Regenerate.
 701         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
 702         based on ENABLE_FLOAT128.
 703         * include/Makefile.in: Regenerate.
 704         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
 705         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
 706         _GLIBCXX_USE_FLOAT128.
 707
 708 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 709
 710         * configure: Regenerated.
 711
 712 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 713
 714         * configure: Regenerated.
 715
 716 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
 717             Jakub Jelinek  <jakub@redhat.com>
 718
 719         PR libstdc++/85442
 720         * src/c++11/Makefile.am: Don't generate debuginfo again for
 721         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
 722         * src/c++11/Makefile.in: Regenerate.
 723
 724 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
 725
 726         PR libstdc++/84442
 727         * testsuite/30_threads/thread/cons/terminate.cc
 728         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
 729
 730 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 731
 732         PR jit/85384
 733         * configure: Regenerate.
 734
 735 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
 736
 737         * testsuite/experimental/filesystem/file_status/1.cc: Add
 738         -DUSE_FILESYSTEM_TS to dg-options.
 739         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
 740         Likewise.
 741         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
 742         * testsuite/experimental/filesystem/iterators/
 743         recursive_directory_iterator.cc: Likewise.
 744         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
 745         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
 746         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
 747         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
 748         * testsuite/experimental/filesystem/operations/create_directories.cc:
 749         Likewise.
 750         * testsuite/experimental/filesystem/operations/create_directory.cc:
 751         Likewise.
 752         * testsuite/experimental/filesystem/operations/create_symlink.cc:
 753         Likewise.
 754         * testsuite/experimental/filesystem/operations/current_path.cc:
 755         Likewise.
 756         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
 757         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
 758         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
 759         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
 760         * testsuite/experimental/filesystem/operations/last_write_time.cc:
 761         Likewise.
 762         * testsuite/experimental/filesystem/operations/permissions.cc:
 763         Likewise.
 764         * testsuite/experimental/filesystem/operations/read_symlink.cc:
 765         Likewise.
 766         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
 767         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
 768         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
 769         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
 770         Likewise.
 771         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
 772         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
 773         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
 774         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
 775         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
 776         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
 777         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
 778         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
 779         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
 780         * testsuite/experimental/filesystem/path/construct/default.cc:
 781         Likewise.
 782         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
 783         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
 784         * testsuite/experimental/filesystem/path/construct/string_view.cc:
 785         Likewise.
 786         * testsuite/experimental/filesystem/path/decompose/extension.cc:
 787         Likewise.
 788         * testsuite/experimental/filesystem/path/decompose/filename.cc:
 789         Likewise.
 790         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
 791         Likewise.
 792         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
 793         Likewise.
 794         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
 795         Likewise.
 796         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
 797         Likewise.
 798         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
 799         Likewise.
 800         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
 801         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
 802         Likewise.
 803         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
 804         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
 805         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
 806         Likewise.
 807         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
 808         Likewise.
 809         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
 810         Likewise.
 811         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
 812         Likewise.
 813         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
 814         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
 815         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
 816         Likewise.
 817         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
 818         * testsuite/experimental/filesystem/path/query/has_extension.cc:
 819         Likewise.
 820         * testsuite/experimental/filesystem/path/query/has_filename.cc:
 821         Likewise.
 822         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
 823         Likewise.
 824         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
 825         Likewise.
 826         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
 827         Likewise.
 828         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
 829         Likewise.
 830         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
 831         Likewise.
 832         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
 833         * testsuite/experimental/filesystem/path/query/is_relative.cc:
 834         Likewise.
 835
 836 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
 837
 838         * src/c++11/Makefile.am: Fix sed command.
 839         * src/c++11/Makefile.in: Regenerate.
 840
 841         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
 842         handle mangled names starting with double underscores on darwin.
 843         * src/c++11/Makefile.in: Regenerate.
 844
 845 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
 846
 847         * src/c++11/Makefile.am: Fix comment.
 848         * src/c++11/Makefile.in: Regenerate.
 849         * src/c++11/cxx11-ios_failure.cc: Fix comment.
 850         * src/c++98/ios_failure.cc: Likewise.
 851
 852         * src/c++11/ios.cc: Remove redundant macro definition.
 853
 854 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
 855
 856         * doc/xml/manual/abi.xml: Document header locations in recent
 857         releases.
 858         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
 859         * doc/xml/manual/spine.xml: Update copyright years.
 860         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
 861         undefined behaviour.
 862         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
 863         * doc/html/*: Regenerate.
 864
 865 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
 866
 867         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
 868         * doc/xml/manual/backwards_compatibility.xml: Likewise.
 869         * doc/xml/manual/containers.xml: Likewise.
 870         * doc/xml/manual/debug_mode.xml: Likewise.
 871         * doc/xml/manual/extensions.xml: Likewise.
 872         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
 873         * doc/xml/manual/using.xml: Likewise.
 874         * doc/xml/manual/utilities.xml: Likewise.
 875
 876         PR libstdc++/85222
 877         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
 878         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
 879         * src/c++11/Makefile.in: Regenerate.
 880         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
 881         New types.
 882         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
 883         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
 884         * src/c++98/ios_failure.cc (__construct_ios_failure)
 885         (__destroy_ios_failure, is_ios_failure_handler): New functions.
 886         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
 887         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
 888         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
 889         handler types, to always catch std::ios_base::failure.
 890         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
 891         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
 892         exceptions_failbit.cc: Likewise.
 893         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
 894         exceptions_failbit.cc: Likewise.
 895         * testsuite/27_io/basic_istream/extractors_other/char/
 896         exceptions_null.cc: Likewise.
 897         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
 898         exceptions_null.cc: Likewise.
 899         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
 900         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
 901         * testsuite/27_io/basic_ostream/inserters_other/char/
 902         exceptions_null.cc: Likewise.
 903         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
 904         exceptions_null.cc: Likewise.
 905         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
 906
 907 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
 908
 909         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
 910         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
 911
 912 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
 913
 914         PR libstdc++/85183
 915         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
 916         value categories.
 917         * testsuite/20_util/variant/85183.cc: New.
 918
 919 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
 920
 921         * include/std/variant (__get): Qualify calls to avoid ADL.
 922         (__select_index): Adjust whitespace.
 923         (variant): Add using-declaration to workaround Clang bug.
 924
 925 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
 926
 927         PR libstdc++/85040
 928         * include/bits/stl_function.h (greater::__not_overloaded)
 929         (less::__not_overloaded, greater_equal::__not_overloaded)
 930         (less_equal::__not_overloaded): Fix ambiguous specializations.
 931         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
 932         tests for type with overloaded operators.
 933
 934 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 935
 936         PR libstdc++/77691
 937         * testsuite/experimental/memory_resource/resource_adaptor.cc:
 938         xfail execution on 32-bit Solaris/x86.
 939
 940 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
 941
 942         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
 943         VERIFY instead of assert.
 944         * testsuite/20_util/hash/84998.cc: New test.
 945         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
 946         copy of test adjusted for Debug Mode.
 947         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
 948         test in Debug Mode.
 949
 950 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
 951
 952         PR libstdc++/84998
 953         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
 954         * include/std/bitset: Likewise.
 955         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
 956         declaration.
 957         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
 958         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
 959         * include/bits/stl_set.h (std::set<>): Likewise.
 960         * include/bits/unordered_map.h (std::unordered_map<>): Fix
 961         _Hash_merge_helper friend declaration.
 962         (std::unordered_multimap<>): Likewise.
 963         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
 964         (std::unordered_multiset<>): Likewise.
 965
 966 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
 967
 968         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
 969         trailing slash for domain level link.
 970         * doc/xml/faq.xml: Ditto.
 971         * doc/xml/manual/appendix_free.xml (software): Ditto.
 972         * doc/xml/manual/intro.xml: Ditto.
 973         * doc/xml/manual/spine.xml: Ditto.
 974         * doc/xml/spine.xml: Ditto.
 975
 976 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
 977
 978         * doc/xml/manual/documentation_hacking.xml: Adjust link to
 979         docbook.org.
 980
 981 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
 982
 983         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
 984         to compile as C++98.
 985
 986 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
 987
 988         PR libstdc++/78420
 989         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
 990         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
 991         to ensure total order for pointers.
 992         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
 993         Add operator() overloads for pointer arguments and make generic
 994         overloads dispatch to new _S_cmp functions when comparisons would
 995         use built-in operators for pointers.
 996         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
 997
 998 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
 999
1000         PR libstdc++/84773
1001         PR libstdc++/83662
1002         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
1003         * configure: Regenerate.
1004         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
1005         (aligned_alloc): Add using-declaration.
1006         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
1007
1008 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
1009
1010         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
1011         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
1012         registration.
1013
1014 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
1015
1016         PR libstdc++/84769
1017         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
1018         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
1019
1020         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
1021         src/filesystem/std-ops.cc (create_dir): Likewise.
1022
1023 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
1024
1025         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
1026         (StdListIteratorPrinter): Inherit from latter.
1027         (StdFwdListIteratorPrinter): New, inherit from latter.
1028         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
1029         when iterator has no associated container.
1030         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
1031         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
1032         registrations.
1033         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
1034         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
1035
1036 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
1037
1038         PR libstdc++/84601
1039         * include/std/optional (_Optional_payload): Split into multiple
1040         specializations that can handle different cases of trivial or
1041         non-trivial assignment operators.
1042         * testsuite/20_util/optional/84601.cc: New.
1043         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1044
1045 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
1046
1047         PR libstdc++/84671
1048         * include/bits/parse_numbers.h (_Number_help): Add partial
1049         specialization to handle digit separators. Adjust partial
1050         specialization for recursion temrination to require _Pow == 1ULL.
1051         * testsuite/20_util/duration/literals/84671.cc: New
1052
1053 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
1054
1055         Implement the missing bits of LWG 2769
1056         * include/std/any (any_cast(const any&)): Add static_assert.
1057         (any_cast(any&)): Likewise.
1058         (any_cast(any&&)): Likewise, and remove the handling
1059         for copyable-but-not-movable type.
1060         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
1061         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
1062         add new tests.
1063
1064 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
1065
1066         PR libstdc++/84532
1067         * include/std/thread (thread::__make_invoker): Construct tuple
1068         directly instead of using make_tuple.
1069         * testsuite/30_threads/async/84532.cc: New.
1070         * testsuite/30_threads/thread/84532.cc: New.
1071
1072 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
1073
1074         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
1075         (template<> __aligned_buffer): Define as __aligned_membuf alias.
1076
1077 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
1078
1079         PR target/84148
1080         * configure: Regenerate.
1081
1082 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
1083
1084         PR libstdc++/81797
1085         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
1086         * configure: Regenerate.
1087         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
1088         defined.
1089         * include/Makefile.in: Regenerate.
1090
1091 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
1092
1093         PR libstdc++/83833
1094         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1095         Add -ffloat-store to options for m68k and ia32.
1096
1097         * doc/xml/faq.xml: Update copyright years.
1098         * doc/html/*: Regenerate.
1099
1100         PR libstdc++/83658
1101         * include/std/any (any::__do_emplace): Only set _M_manager after
1102         constructing the contained object.
1103         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
1104         * testsuite/20_util/any/modifiers/83658.cc: New test.
1105
1106 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
1107
1108         PR libstdc++/81076
1109         * include/c_global/cstddef (__byte_operand): Define primary template.
1110         * testsuite/18_support/byte/81076.cc: New test.
1111
1112 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
1113
1114         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
1115         dg-options and dg-add-options order.
1116         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
1117         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
1118         Likewise.
1119         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
1120         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
1121         Likewise.
1122         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
1123         Likewise.
1124         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
1125         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
1126         Likewise.
1127         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
1128         Likewise.
1129         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
1130         Likewise.
1131         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
1132         Likewise.
1133         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
1134         Likewise.
1135         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
1136         Likewise.
1137         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
1138         Likewise.
1139         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
1140         Likewise.
1141         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
1142         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
1143         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
1144         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
1145         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
1146         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
1147         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
1148         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
1149         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
1150         Likewise.
1151         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
1152         Likewise.
1153         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
1154         Likewise.
1155         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
1156         Likewise.
1157
1158 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
1159
1160         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
1161         include linux/types.h when checking linux/random.h header.
1162         * config.h.in: Regenerate.
1163         * configure: Ditto.
1164         * src/c++11/random.cc: Conditionally include linux/types.h.
1165
1166 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1167
1168         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
1169
1170 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
1171
1172         PR libstdc++/83834
1173         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
1174         pattern with exact match for std::cerr.
1175
1176 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1177
1178         PR libstdc++/83833
1179         * include/bits/random.h (chi_squared_distribution::param): Update
1180         gamma distribution parameter.
1181         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
1182         test.
1183
1184         PR libstdc++/83830
1185         * include/std/type_traits (has_unique_object_representations_v): Add
1186         variable template.
1187         * testsuite/20_util/has_unique_object_representations/value.cc: Check
1188         variable template.
1189
1190 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
1191
1192         Make optional conditionally
1193         trivially_{copy,move}_{constructible,assignable}
1194         * include/std/optional (_Optional_payload): Fix the comment in
1195         the class head and turn into a primary and one specialization.
1196         (_Optional_payload::_M_engaged): Strike the NSDMI.
1197         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
1198         New.
1199         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
1200         Likewise.
1201         (_Optional_payload<_Tp, false>::_M_get): Likewise.
1202         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
1203         (_Optional_base_impl): Likewise.
1204         (_Optional_base): Turn into a primary and three specializations.
1205         (optional(nullopt)): Change the base init.
1206         * testsuite/20_util/optional/assignment/8.cc: New.
1207         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
1208         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1209
1210 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1211
1212         PR libstdc++/80276
1213         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
1214         (get_template_arg_list): New.
1215         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
1216         instead.
1217         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
1218         of strings and regular expressions.
1219         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
1220         (FilteringTypePrinter): Add docstring. Match using startswith. Use
1221         strip_inline_namespaces instead of strip_versioned_namespace.
1222         (add_one_type_printer): Prepend namespace to match argument.
1223         (register_type_printers): Add type printers for char16_t and char32_t
1224         string types and for types using cxx11 ABI. Update calls to
1225         add_one_template_type_printer to provide default argument dicts.
1226         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
1227         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
1228         basic_string<unsigned char> and basic_string<signed char>.
1229         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
1230         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
1231
1232 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
1233
1234         PR libstdc++/81092
1235         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1236
1237 2018-01-13  Tim Shen  <timshen@google.com>
1238
1239         PR libstdc++/83601
1240         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
1241         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
1242         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
1243
1244 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1245
1246         PR libstdc++/64054
1247         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
1248         Remove dg-xfail-run-if.
1249
1250 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
1251
1252         * include/bits/forward_list.h
1253         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
1254         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
1255         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
1256         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
1257         (_Fwd_list_impl()): Add noexcept qualification.
1258         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
1259         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
1260         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
1261         (_Fwd_list_base()): Default.
1262         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
1263         (_Fwd_list_base(_Fwd_list_base&&)): Default.
1264         (forward_list<>()): Default.
1265         (forward_list<>(forward_list&&)): Default.
1266         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
1267         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
1268         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
1269         * include/bits/forward_list.tcc
1270         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
1271         _M_impl._M_head move assignment.
1272         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
1273         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
1274
1275 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
1276
1277         PR libstdc++/80276
1278         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
1279         (UniquePointerPrinter): Print correct template argument, not type of
1280         the pointer.
1281         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
1282         a type.
1283         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
1284         array type.
1285         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
1286         weak_ptr of array types.
1287
1288 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
1289
1290         PR libstdc++/83709
1291         * include/bits/hashtable_policy.h
1292         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
1293         __first != __last.
1294         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
1295         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
1296         Add false_type parameter.
1297         (_Insert_base::insert): Adapt.
1298         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
1299         Adapt.
1300         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
1301          Add __n_elt parameter, defaulted to 1.
1302         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
1303         policy _M_need_rehash.
1304         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
1305         produce only 1 rehash if necessary.
1306         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
1307         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
1308
1309 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
1310             Jonathan Wakely  <jwakely@redhat.com>
1311
1312         PR libstdc++/59253 (partial)
1313         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
1314         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
1315         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
1316         children.
1317         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
1318         of unique_ptr printer.
1319         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
1320         output of shared_ptr printer.
1321
1322 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
1323
1324         PR libstdc++/83626
1325         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
1326         unnecessary symlink_status call.
1327         (remove_all(const path&, error_code&)): Use filesystem::remove.
1328         * src/filesystem/std-ops.cc: Likewise.
1329
1330         PR libstdc++/83279
1331         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
1332         sendfile.
1333
1334         PR libstdc++/83626
1335         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
1336         report an error for ENOENT.
1337         (remove_all(const path&)): Fix type of result variable.
1338         (remove_all(const path&, error_code&)): Use non-throwing increment
1339         for directory iterator. Call POSIX remove directly to avoid redundant
1340         calls to symlink_status. Do not report errors for ENOENT.
1341         * src/filesystem/std-ops.cc: Likewise.
1342         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
1343         overload.
1344         * testsuite/experimental/filesystem/operations/remove_all.cc:
1345         Likewise.
1346
1347 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
1348
1349         PR libstdc++/83626
1350         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
1351         redundant call to ec.clear().
1352         (remove_all(const path&, error_code&))): Do not return an error for
1353         non-existent paths.
1354         * src/filesystem/std-ops.cc: Likewise.
1355         * testsuite/27_io/filesystem/operations/remove.cc: New test.
1356         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
1357         results for non-existent paths.
1358         * testsuite/experimental/filesystem/operations/remove.cc: New test.
1359         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
1360         expected results for non-existent paths.
1361
1362         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
1363         check status_known once.
1364         * include/experimental/bits/fs_ops.h: Likewise.
1365
1366         PR libstdc++/83607
1367         * include/std/functional (__is_byte_like): New trait.
1368         (__is_std_equal_to): Remove.
1369         (__boyer_moore_base_t): Use __is_byte_like instead of
1370         __is_std_equal_to.
1371         * include/experimental/functional (__is_std_equal_to): Remove.
1372         (__boyer_moore_base_t): Use __is_byte_like instead of
1373         __is_std_equal_to.
1374         * testsuite/20_util/function_objects/83607.cc: New test.
1375
1376 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
1377
1378         Protect optional's deduction guide with the feature macro
1379         * include/std/optional: Use the feature macro.
1380
1381 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1382
1383         Update copyright years.
1384 \f
1385 Copyright (C) 2018 Free Software Foundation, Inc.
1386
1387 Copying and distribution of this file, with or without modification,
1388 are permitted in any medium without royalty provided the copyright
1389 notice and this notice are preserved.