libstdc++-v3/ChangeLog

   1 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * include/bits/ios_base.h (ios::Init::Init(const Init&))
   4         (ios::Init::operator=): Define as defaulted.
   5         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
   6         Likewise.
   7         * include/bits/stream_iterator.h (istream_iterator::operator=)
   8         (ostream_iterator::operator=): Likewise.
   9         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
  10         Likewise.
  11         * include/std/bitset (bitset::reference::reference(const reference&)):
  12         Likewise.
  13         * include/std/complex (complex<float>::complex(const complex&))
  14         (complex<double>::complex(const complex&))
  15         (complex<long double>::complex(const complex&)): Likewise.
  16
  17 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
  18
  19         * include/bits/regex.h (sub_match): Add noexcept to default
  20         constructor and length observer.
  21         (match_results): Add noexcept to default constructor and observers
  22         with no preconditions. Define destructor as defaulted.
  23         (operator==, operator!=, swap): Add noexcept.
  24         (regex_iterator): Add default member initializers and define default
  25         constructor and destructor as defaulted. Add noexcept to equality
  26         and dereference operators.
  27
  28 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
  29
  30         * src/c++11/debug.cc
  31         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
  32         (_Safe_iterator_base::_M_detach_single()): Likewise.
  33         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
  34         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
  35
  36 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
  37
  38         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
  39         move of const value.
  40
  41 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
  42
  43         PR c++/86068
  44         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
  45         rather than __cpp_transactional_memory >= 201505L.
  46
  47 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
  48
  49         PR libstdc++/86008
  50         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
  51         Define new partial specialization.
  52         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
  53         new overload.
  54         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
  55         value not reference for iteration.
  56         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
  57         comment.
  58         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
  59         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
  60         comment.
  61
  62 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
  63
  64         * include/std/type_traits: Fix comment typos.
  65
  66         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
  67         mingw* targets.
  68         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
  69         * testsuite/experimental/filesystem/operations/read_symlink.cc:
  70         Likewise.
  71
  72 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
  73
  74         * include/bits/stl_tempbuf.h
  75         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
  76         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
  77         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
  78         * include/bits/stl_algo.h (__stable_partition): Adapt.
  79         (__inplace_merge): Adapt.
  80         (__stable_sort): Adapt.
  81
  82 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
  83
  84         PR libstdc++/85930
  85         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
  86         unconditionally. Remove redundant declaration.
  87         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
  88         alignment-specifier.
  89
  90         * include/bits/postypes.h (fpos): Define special members as defaulted.
  91
  92         PR libstdc++/85930
  93         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
  94         the static variable correctly.
  95
  96 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
  97
  98         PR libstdc++/78870 support std::filesystem on Windows
  99         * config.h.in: Regenerate.
 100         * configure: Regenerate.
 101         * configure.ac: Check for link, readlink and symlink.
 102         * include/bits/fs_path.h (path::operator/=(const path&)): Move
 103         definition out of class body.
 104         (path::is_absolute(), path::_M_append(path)): Likewise.
 105         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
 106         (operator>>(basic_istream, path&)): Likewise.
 107         (u8path): Reorder definitions and fix Windows implementation.
 108         (path::is_absolute()): Define inline and fix for Windows.
 109         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
 110         Define POSIX version inline.
 111         (path::_M_append(path)): Define inline.
 112         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
 113         definition out of class body.
 114         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
 115         escape characters.
 116         (operator>>(basic_istream, path&)): Likewise.
 117         (path::is_absolute()): Define inline and fix for Windows.
 118         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
 119         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
 120         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
 121         Define as adaptors for Windows functions/types or as
 122         using-declarations for POSIX functions/types.
 123         (_Dir_base, get_file_type): Qualify names to use declarations from
 124         __gnu_posix namespace.
 125         (_Dir_base::is_dor_or_dotdot): New helper functions.
 126         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
 127         names to use declarations from __gnu_posix namespace.
 128         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
 129         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
 130         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
 131         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
 132         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
 133         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
 134         Define as adaptors for Windows functions/types or as
 135         using-declarations for POSIX functions/types.
 136         (stat_type, do_copy_file): Qualify names to use declarations from
 137         __gnu_posix namespace.
 138         (do_space): Declare new function.
 139         (make_file_type): Only use S_ISLNK if defined.
 140         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
 141         path::value_type not char.
 142         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
 143         names to use declarations from __gnu_posix namespace.
 144         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
 145         add implementation for Windows.
 146         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
 147         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
 148         [!_PC_PATH_MAX]: Don't use pathconf.
 149         [PATH_MAX]: Use if defined.
 150         (filesystem::current_path(const path&, error_code&))
 151         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
 152         (filesystem::last_write_time, filesystem::permissions): Use names
 153         from __gnu_posix.
 154         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
 155         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
 156         implementation for Windows.
 157         (filesystem::rename, filesystem::resize_file): Use names from
 158         __gnu_posix.
 159         (filesystem::space): Use do_space.
 160         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
 161         (filesystem::status, filesystem::symlink_status): Use names from
 162         __gnu_posix.
 163         (filesystem::temp_directory_path): Add implementation for Windows.
 164         * src/filesystem/path.cc (dot): Define constant.
 165         (path::replace_extension): Use dot.
 166         (path::_M_find_extension): Likewise. Use path::string_type not
 167         std::string.
 168         (path::_M_split_cmpts): Use dot.
 169         (filesystem_error::_M_get_what): Use u8string() not native().
 170         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
 171         Qualify names to use declarations from __gnu_posix namespace.
 172         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
 173         correct error_code.
 174         (filesystem::absolute(const path&, error_code&)): Add implementation
 175         for Windows.
 176         (char_ptr, filesystem::canonical): Use path::value_type not char.
 177         (do_copy_file): Use names from __gnu_posix.
 178         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
 179         sendfile.
 180         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
 181         names to use declarations from __gnu_posix namespace.
 182         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
 183         add implementation for Windows.
 184         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
 185         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
 186         [!_PC_PATH_MAX]: Don't use pathconf.
 187         [PATH_MAX]: Use if defined.
 188         (filesystem::current_path(const path&, error_code&))
 189         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
 190         (filesystem::last_write_time, filesystem::permissions): Use names
 191         from __gnu_posix.
 192         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
 193         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
 194         implementation for Windows.
 195         (filesystem::rename, filesystem::resize_file): Use names from
 196         __gnu_posix.
 197         (do_space): Define.
 198         (filesystem::space): Use do_space.
 199         (filesystem::status, filesystem::symlink_status): Use names from
 200         __gnu_posix.
 201         (filesystem::temp_directory_path): Add implementation for Windows.
 202         * src/filesystem/std-path.cc
 203         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
 204         Define for Windows.
 205         (dot): Define constant.
 206         (path::replace_extension, is_dot): Use dot.
 207         (path::lexically_normal): Check _M_type instead of calling
 208         non-existent function.
 209         (path::_M_find_extension): Use dot. Use path::string_type not
 210         std::string.
 211         (path::_M_split_cmpts): Use dot.
 212         (filesystem_error::_M_get_what): Use u8string() not native().
 213         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
 214         use symlinks.
 215         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
 216         Likewise.
 217         * testsuite/27_io/filesystem/operations/absolute.cc: Use
 218         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
 219         * testsuite/27_io/filesystem/operations/canonical.cc: Use
 220         path::string() to get narrow string, not path::native().
 221         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
 222         with std::filesystem::path not std::basic_string.
 223         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
 224         * testsuite/27_io/filesystem/operations/exists.cc: Use
 225         __gnu_test::root_path() instead of "/".
 226         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
 227         fstreams with std::filesystem::path not std::basic_string.
 228         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
 229         path::string() to get narrow string.
 230         * testsuite/27_io/filesystem/operations/space.cc: Check results for
 231         errors, expect sensible values otherwise.
 232         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
 233         helpers for adjusting the environment on Windows.
 234         * testsuite/27_io/filesystem/path/append/path.cc: Test
 235         Windows-specific behaviour.
 236         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
 237         of path::string_type objects.
 238         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
 239         string to wide string on Windows.
 240         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
 241         for backslash as root-directory.
 242         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
 243         path::string() to get narrow string.
 244         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
 245         paths.
 246         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
 247         not std::string.
 248         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
 249         different definintion of absolute paths on Windows.
 250         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
 251         Do not use symlinks.
 252         * testsuite/experimental/filesystem/operations/absolute.cc: Test
 253         Windows behaviour.
 254         * testsuite/experimental/filesystem/operations/copy.cc: Construct
 255         fstreams with NTCTS not std::basic_string.
 256         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
 257         * testsuite/experimental/filesystem/operations/exists.cc: Use
 258         __gnu_test::root_path() instead of "/".
 259         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
 260         fstreams with NTCTS not std::basic_string.
 261         * testsuite/experimental/filesystem/operations/last_write_time.cc:
 262         Use path::string() to get narrow string.
 263         * testsuite/experimental/filesystem/operations/space.cc: Use
 264         __gnu_test::root_path() instead of "/".
 265         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
 266         Add helpers for adjusting the environment on Windows.
 267         * testsuite/experimental/filesystem/path/append/path.cc: Use
 268         path::string() to get narrow strings for comparisons.
 269         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
 270         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
 271         Likewise.
 272         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
 273         * testsuite/experimental/filesystem/path/native/string.cc: Use
 274         string_type not std::string.
 275         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
 276         Adjust for different definintion of absolute paths on Windows.
 277         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
 278         function.
 279         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
 280         std::basic_string.
 281
 282 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
 283
 284         PR libstdc++/85951
 285         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
 286         uint_least16_t and uint_least32_t.
 287         (__make_unsigned<wchar_t>): Define unconditionally.
 288         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
 289         typedefs.
 290         (__make_unsigned_selector_base): New type to provide helper templates.
 291         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
 292         __make_unsigned_selector_base helpers.
 293         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
 294         (__make_signed_selector<_Tp, true, false>): Remove intermediate
 295         typedefs.
 296         (__make_signed<wchar_t>, __make_signed<char16_t>)
 297         (__make_signed<char32_t>)): Define unconditionally.
 298         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
 299         wchar_t, char16_t and char32_t are transformed correctly.
 300         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
 301         dg-error lineno.
 302         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
 303         wchar_t, char16_t and char32_t are transformed correctly.
 304         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
 305         dg-error lineno.
 306
 307 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
 308
 309         * include/std/variant (__erased_dtor): Qualify call to __get.
 310
 311 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
 312
 313         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
 314         (_Rb_tree(const allocator_type&)): Use latter.
 315         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
 316         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
 317         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
 318         * include/bits/stl_multimap.h
 319         (multimap(const allocator_type&)): Likewise.
 320         (multimap(initializer_list<value_type>, const allocator_type&)):
 321         Likewise.
 322         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
 323         Likewise.
 324         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
 325         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
 326         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
 327         * include/bits/stl_multiset.h
 328         (multiset(const allocator_type&)): Likewise.
 329         (multiset(initializer_list<value_type>, const allocator_type&)):
 330         Likewise.
 331         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
 332         Likewise.
 333
 334 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
 335
 336         PR libstdc++/85768
 337         * src/c++11/debug.cc: Remove backtrace usage.
 338
 339 2018-05-24  Maya Rashish  <coypu@sdf.org>
 340
 341         PR target/85904
 342         * crossconfig.m4: Test for aligned_alloc on netbsd.
 343         * configure: Regenerate.
 344
 345 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
 346
 347         PR libstdc++/69769
 348         PR libstdc++/85886
 349         * include/bits/atomic_base.h (__atomic_base::value_type)
 350         (__atomic_base::difference_type): Add new typedefs.
 351         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
 352         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
 353         (atomic<T*>::operator++, atomic<T*>::operator--)
 354         (atomic<T*>::operator+=, atomic<T*>::operator-=)
 355         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
 356         to enforce C++17 requirement on pointer arithmetic.
 357         (__atomic_val_t, __atomic_diff_t): New alias templates.
 358         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
 359         (atomic_compare_exchange_weak_explicit)
 360         (atomic_compare_exchange_strong_explicit, atomic_store)
 361         (atomic_exchange, atomic_compare_exchange_weak)
 362         (atomic_compare_exchange_strong): Use __atomic_val_t to make
 363         scalar parameters be non-deduced contexts.
 364         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
 365         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
 366         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
 367         parameters.
 368         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
 369         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
 370         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
 371         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
 372         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
 373         address types.
 374         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
 375         * testsuite/29_atomics/atomic/69769.cc: New test.
 376         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
 377         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
 378         Disable test for C++17 and later.
 379         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
 380         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
 381         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
 382         test.
 383
 384 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
 385
 386         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
 387         template to alias template.
 388         (path::__value_type_is_char): Use remove_const_t.
 389         (path:_S_string_from_iter): New helper function.
 390         (path::_S_convert(InputIter, __null_terminated))
 391         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
 392         Use _S_string_from_iter.
 393         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
 394         rep for COW strings.
 395         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
 396         Change from class template to alias template.
 397         (path::__value_type_is_char): Use remove_const.
 398         (path:_S_string_from_iter): New helper function.
 399         (path::_S_convert(InputIter, __null_terminated))
 400         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
 401         Use _S_string_from_iter.
 402         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
 403         wide strings.
 404         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
 405         string equality, not path equivalence.
 406         * testsuite/27_io/filesystem/path/construct/format.cc: Check
 407         construction from std::string and std::wstring and input iterators.
 408         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
 409         construction from iterators.
 410         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
 411         exact string equality, not path equivalence.
 412         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
 413         construction from iterators.
 414
 415         * include/bits/fs_path.h (path::_M_type): Change default member
 416         initializer to _Filename.
 417         (path::begin): Create past-the-end iterator for empty path.
 418         * src/filesystem/std-path.cc (path::remove_filename()): Remove
 419         debugging check.
 420         (path::has_relative_path()): Return false for empty filenames.
 421         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
 422         Fix offset of empty final component.
 423         * testsuite/27_io/filesystem/path/itr/components.cc: New.
 424         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
 425
 426 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 427
 428         Add support for opening file streams from wide character strings.
 429         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
 430         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 431         Define new overload.
 432         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
 433         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 434         Declare new overload.
 435         * configure.ac: Check for _wfopen.
 436         * crossconfig.m4: Likewise.
 437         * configure: Regenerate.
 438         * config.h.in: Regenerate.
 439         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
 440         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 441         Define new overload.
 442         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
 443         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 444         Declare new overload.
 445         [_GLIBCXX_HAVE__WFOPEN]
 446         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 447         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
 448         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 449         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
 450         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 451         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
 452         new overloads.
 453         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
 454         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
 455         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
 456         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
 457         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
 458         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
 459         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
 460
 461 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
 462
 463         PR libstdc++/85845
 464         * include/bits/stl_tree.h
 465         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
 466         qualification.
 467
 468 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 469
 470         * src/filesystem/std-ops.cc (absolute): Report an error for empty
 471         paths.
 472         (weakly_canonical(const path&)): Do not call canonical on empty path.
 473         (weakly_canonical(const path&, error_code&)): Likewise.
 474         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
 475
 476         PR libstdc++/85818
 477         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
 478         dg-require-filesystem-ts.
 479
 480         PR libstdc++/85843
 481         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
 482         initialize base class to avoid warnings.
 483
 484 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
 485
 486         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
 487         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
 488         little_endian element in bitmask.
 489         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
 490         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
 491
 492 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
 493
 494         * include/bits/stl_tree.h
 495         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
 496         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
 497         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
 498         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
 499         * include/debug/map.h
 500         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
 501         * include/debug/multimap.h
 502         (multimap(multimap&&, const_allocator_type&)): Likewise.
 503         * include/debug/set.h
 504         (set(set&&, const_allocator_type&)): Likewise.
 505         * include/debug/multiset.h
 506         (multiset(multiset&&, const_allocator_type&)): Likewise.
 507         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
 508         Add checks.
 509         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
 510         Add checks.
 511         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
 512         Add checks.
 513         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
 514         Add checks.
 515         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
 516         Add checks.
 517         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
 518         Add checks.
 519         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
 520         Add checks.
 521         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
 522         Add checks.
 523
 524 2018-05-18  Jason Merrill  <jason@redhat.com>
 525
 526         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
 527         for conversion to const_iterator.  Add defaulted copy ops.
 528         * libsupc++/new (bad_alloc): Add defaulted copy ops.
 529         * libsupc++/exception.h (exception): Add defaulted copy ops.
 530         * include/std/system_error (system_error): Add defaulted copy ops.
 531         * include/std/stdexcept (domain_error, invalid_argument)
 532         (length_error, out_of_range, range_error, overflow_error)
 533         (underflow_error): Add defaulted copy ops.
 534         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
 535         copy assignment.
 536         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
 537         * include/ext/throw_allocator.h (condition_base): Add defaulted
 538         default and copy ctor and copy assignment.
 539
 540 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
 541
 542         PR libstdc++/85098
 543         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
 544         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
 545         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
 546         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
 547         definitions.
 548         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
 549         whitespace.
 550         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
 551         braces around body of do-while.
 552         * testsuite/28_regex/basic_regex/85098.cc: New
 553
 554 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
 555
 556         PR libstdc++/85818
 557         * src/filesystem/path.cc (path::preferred_separator): Add used
 558         attribute.
 559         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
 560
 561         PR libstdc++/85812
 562         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
 563         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
 564         Refactor to separate non-throwing and throwing implementations.
 565         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
 566         if constructing the object throws.
 567
 568 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
 569
 570         PR libstdc++/85749
 571         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
 572         (linear_congruential_engine, mersenne_twister_engine)
 573         (subtract_with_carry_engine, discard_block_engine)
 574         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
 575         constrain function templates taking seed sequences.
 576         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
 577         (mersenne_twister_engine::seed(_Sseq&))
 578         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
 579         match declarations.
 580         * include/ext/random (simd_fast_mersenne_twister_engine): Use
 581         __is_seed_seq to constrain function templates taking seed sequences.
 582         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
 583         Change return type to match declaration.
 584         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
 585         New.
 586         * testsuite/26_numerics/random/independent_bits_engine/cons/
 587         seed_seq2.cc: New.
 588         * testsuite/26_numerics/random/linear_congruential_engine/cons/
 589         seed_seq2.cc: New.
 590         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
 591         seed_seq2.cc: New.
 592         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
 593         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
 594         New.
 595         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
 596         seed_seq2.cc: New.
 597         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
 598         seed_seq2.cc: New.
 599
 600         PR libstdc++/83891
 601         * include/bits/fs_path.h (path::is_absolute()): Use same definition
 602         for all operating systems.
 603         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
 604         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
 605         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
 606         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
 607
 608         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
 609         unused <vector> header.
 610         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
 611         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
 612         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
 613         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
 614         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
 615         Likewise.
 616         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
 617         Likewise.
 618         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
 619         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
 620         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
 621         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
 622         * testsuite/experimental/filesystem/path/decompose/extension.cc:
 623         Likewise.
 624         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
 625         * testsuite/experimental/filesystem/path/query/has_extension.cc:
 626         Likewise.
 627         * testsuite/experimental/filesystem/path/query/has_filename.cc:
 628         Likewise.
 629         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
 630         Likewise.
 631         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
 632         Likewise.
 633         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
 634         Likewise.
 635         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
 636         Likewise.
 637         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
 638         Likewise.
 639         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
 640         * testsuite/experimental/filesystem/path/query/is_relative.cc:
 641         Likewise.
 642
 643         PR libstdc++/84159
 644         * include/bits/fs_path.h (path::operator/=, path::append): Construct
 645         temporary path before calling _M_append.
 646         (path::_M_append): Change parameter to path and implement C++17
 647         semantics.
 648         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
 649         and more examples from the standard.
 650         * testsuite/27_io/filesystem/path/append/source.cc: New.
 651         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
 652         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
 653
 654         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
 655         __invoke to prevent ADL.
 656
 657 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
 658
 659         PR libstdc++/81256
 660         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
 661         exceptions from _M_terminate_output().
 662         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
 663         exceptions from close().
 664         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
 665
 666         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
 667         (__valarray_get_storage): Call operator new directly. Remove ignored
 668         top-level restrict qualifier and add malloc attribute instead.
 669         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
 670
 671         PR libstdc++/67554
 672         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
 673         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
 674
 675         PR libstdc++/82966
 676         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
 677         instead of type.
 678         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
 679
 680 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
 681
 682         PR libstdc++/80165
 683         * testsuite/20_util/variant/80165.cc: New.
 684
 685 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 686
 687         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
 688         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
 689         of C++11 containers with Debug Mode support.
 690         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
 691         * doc/html/*: Regenerate.
 692
 693 2018-05-10  Jason Merrill  <jason@redhat.com>
 694
 695         * include/bits/regex_compiler.h (_S_cache_size): Change from
 696         function to variable.
 697
 698 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
 699
 700         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
 701         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
 702         argument defaulted to +1.  Doxy comments on same.
 703         * testsuite/special_functions/02_assoc_legendre/
 704         check_value.cc: Regen.
 705         * testsuite/tr1/5_numerical_facilities/special_functions/
 706         02_assoc_legendre/check_value.cc: Regen.
 707
 708 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 709
 710         PR libstdc++/85729
 711         * include/bits/c++config.h (__replacement_assert): Add linkage
 712         specification.
 713         * include/bits/std_abs.h: Add comment to closing brace of block.
 714         * include/c_global/cstddef: Add linkage specification.
 715         * include/c_global/cstring: Likewise.
 716         * include/c_global/cwchar: Likewise.
 717
 718 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
 719
 720         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
 721         Rename in...
 722         (_Safe_iterator<>::_S_constant()): ...that.
 723         * include/debug/safe_local_iterator.h
 724         (_Safe_local_iterator<>::_M_constant()): Rename in...
 725         (_Safe_local_iterator<>::_S_constant()): ...that.
 726         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
 727         (_Iterator_state::__rbegin): New.
 728         (_Iterator_state::__rmiddle): New.
 729         (_Iterator_state::__rend): New.
 730         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
 731         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
 732         iterator type.
 733         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
 734         _Is_iterator)): Likewise.
 735         (_Parameter::_S_reverse_state(_Iterator_state)): New.
 736         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
 737         _Is_iterator)): New.
 738         (_Parameter(std::reverse_iterator<> const&, const char*,
 739         _Is_iterator)): New.
 740         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
 741         const char*, _Is_iterator)): New.
 742         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
 743         New.
 744         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
 745         _Is_iterator)): New.
 746         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
 747         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
 748         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
 749
 750 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
 751
 752         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
 753         Use constexpr if in C++17 mode.
 754         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
 755         Copy from const object.
 756         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
 757
 758 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
 759
 760         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
 761         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
 762         backtrace.
 763
 764         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
 765         * include/debug/functions.h (__check_valid_range): Use latter.
 766         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
 767         use latter.
 768         * include/debug/deque
 769         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
 770         * include/debug/forward_list
 771         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
 772         Likewise.
 773         * include/debug/list
 774         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 775         * include/debug/list
 776         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 777         * include/debug/map.h
 778         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 779         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
 780         Likewise.
 781         * include/debug/multimap.h
 782         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 783         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
 784         const _Alloc&)): Likewise.
 785         * include/debug/set.h
 786         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 787         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
 788         Likewise.
 789         * include/debug/multiset.h
 790         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 791         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
 792         const _Alloc&)): Likewise.
 793         * include/debug/string
 794         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
 795         Likewise.
 796         * include/debug/unordered_map
 797         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
 798         Likewise.
 799         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
 800         const _Alloc&)): Likewise.
 801         * include/debug/unordered_set
 802         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
 803         Likewise.
 804         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
 805         const _Alloc&)): Likewise.
 806         * include/debug/vector
 807         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
 808
 809         * include/debug/formatter.h (_Error_formatter::_M_function): New.
 810         (_Error_formatter(const char*, unsigned int)): Adapt.
 811         (_Error_formatter::_M_at): Rename in...
 812         (_Error_formatter::_S_at): ...that and adapt.
 813         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
 814         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
 815         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
 816         when available.
 817
 818 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
 819
 820         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
 821         Use normal std::vector even in Debug Mode.
 822
 823         PR libstdc++/85672
 824         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
 825         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
 826         * include/Makefile.in: Regenerate.
 827         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
 828         within conditional block.
 829
 830 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
 831
 832         * doc/xml/manual/using.xml (table.cmd_options): Document that the
 833         C++17 Filesystem implementation also needs -lstdc++fs.
 834
 835         PR libstdc++/85671
 836         * include/bits/fs_path.h (operator/): Permit copy elision.
 837         * include/experimental/bits/fs_path.h (operator/): Likewise.
 838
 839 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
 840
 841         Moar PR libstdc++/80506
 842         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
 843         Fix magic number used in loop condition.
 844
 845 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
 846
 847         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
 848         * include/std/optional (_Optional_payload): Add noexcept to default
 849         constructor. Re-indent.
 850         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
 851         constructor for copying disengaged payloads.
 852         (_Optional_payload<_Tp, true, false, true>): Likewise.
 853         (_Optional_payload<_Tp, true, true, false>): Likewise.
 854         (_Optional_payload<_Tp, true, false, false>): Likewise.
 855         * testsuite/20_util/optional/cons/85642.cc: New.
 856         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
 857
 858 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
 859
 860         PR libstdc++/82644
 861         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
 862         inline definitions instead of using-declarations.
 863         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
 864         * testsuite/tr1/5_numerical_facilities/special_functions/
 865         07_conf_hyperg/compile_cxx17.cc: New.
 866         * testsuite/tr1/5_numerical_facilities/special_functions/
 867         17_hyperg/compile_cxx17.cc: New.
 868
 869         PR libstdc++/84769
 870         * include/std/variant (visit): Qualify std::get call.
 871
 872         PR libstdc++/85632 use uintmax_t for arithmetic
 873         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
 874         arithmetic in result type.
 875         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
 876         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
 877         is greater than free space.
 878         * testsuite/experimental/filesystem/operations/space.cc: New.
 879
 880         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
 881         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
 882         New.
 883         * testsuite/20_util/remove_cvref/value.cc: New.
 884         * testsuite/20_util/remove_cvref/value_ext.cc: New.
 885
 886         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
 887         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
 888         (append(const basic_string&, size_type, size_type)
 889         (assign(const basic_string&, size_type, size_type)
 890         (insert(size_type, const basic_string&, size_type, size_type)
 891         (replace(size_type,size_type,const basic_string&,size_type,size_type)
 892         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
 893         Add default arguments (LWG 2268).
 894         [_GLIBCXX_USE_CXX11_ABI=0]
 895         (append(const basic_string&, size_type, size_type)
 896         (assign(const basic_string&, size_type, size_type)
 897         (insert(size_type, const basic_string&, size_type, size_type)
 898         (replace(size_type,size_type,const basic_string&,size_type,size_type)
 899         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
 900         Likewise.
 901         * testsuite/21_strings/basic_string/dr2268.cc: New test.
 902
 903         PR libstdc++/84535
 904         * include/std/thread (thread::__not_same): New SFINAE helper.
 905         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
 906         first argument is not a std::thread. Add static assertion to check
 907         INVOKE expression is valid.
 908         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
 909         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
 910         __invoke_result for return types and remove exception specifications.
 911         * testsuite/30_threads/thread/cons/84535.cc: New.
 912
 913         * include/std/future (__async_result_of): Use __invoke_result instead
 914         of result_of.
 915
 916         * include/std/any (any_cast): Use __remove_cvref_t.
 917         * include/std/tuple (__make_tuple): Likewise.
 918         * include/std/type_traits (__remove_cvref_t): Define.
 919         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
 920         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
 921         * include/std/variant (__erased_hash): Use __remove_cvref_t.
 922
 923 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
 924
 925         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
 926         ensure overloaded comma not used.
 927         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
 928         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
 929         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
 930         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
 931         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
 932         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
 933         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
 934
 935 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
 936
 937         PR libstdc++/68197
 938         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
 939         indices to unsigned.
 940         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
 941         as failure. Refactor error handling.
 942         * testsuite/27_io/ios_base/storage/68197.cc: New.
 943
 944         PR libstdc++/57997
 945         PR libstdc++/83860
 946         * include/bits/gslice_array.h (gslice_array): Define default
 947         constructor as deleted, as per C++11 standard.
 948         * include/bits/mask_array.h (mask_array): Likewise.
 949         * include/bits/slice_array.h (slice_array): Likewise.
 950         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
 951         to namespace __detail.
 952         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
 953         members.
 954         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
 955         of data members in closure objects.
 956         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
 957         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
 958         __detail.
 959         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
 960         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
 961         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
 962         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
 963         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
 964         using-declarations to namespace std.
 965         * testsuite/26_numerics/valarray/83860.cc: New.
 966
 967         * testsuite/backward/strstream_move.cc: Remove duplicate function
 968         call.
 969
 970         PR libstdc++/69608
 971         * include/backward/strstream (strstreambuf): Define move constructor
 972         and move assignment operator.
 973         (istrstream, ostrstream, strstream): Likewise.
 974         * testsuite/backward/strstream_move.cc: New.
 975
 976 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
 977
 978         PR libstdc++/84654
 979         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
 980         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
 981         * configure: Regenerate.
 982         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
 983         based on ENABLE_FLOAT128.
 984         * include/Makefile.in: Regenerate.
 985         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
 986         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
 987         _GLIBCXX_USE_FLOAT128.
 988
 989 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 990
 991         * configure: Regenerated.
 992
 993 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 994
 995         * configure: Regenerated.
 996
 997 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
 998             Jakub Jelinek  <jakub@redhat.com>
 999
1000         PR libstdc++/85442
1001         * src/c++11/Makefile.am: Don't generate debuginfo again for
1002         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
1003         * src/c++11/Makefile.in: Regenerate.
1004
1005 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
1006
1007         PR libstdc++/84442
1008         * testsuite/30_threads/thread/cons/terminate.cc
1009         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
1010
1011 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
1012
1013         PR jit/85384
1014         * configure: Regenerate.
1015
1016 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
1017
1018         * testsuite/experimental/filesystem/file_status/1.cc: Add
1019         -DUSE_FILESYSTEM_TS to dg-options.
1020         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
1021         Likewise.
1022         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
1023         * testsuite/experimental/filesystem/iterators/
1024         recursive_directory_iterator.cc: Likewise.
1025         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
1026         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
1027         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
1028         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
1029         * testsuite/experimental/filesystem/operations/create_directories.cc:
1030         Likewise.
1031         * testsuite/experimental/filesystem/operations/create_directory.cc:
1032         Likewise.
1033         * testsuite/experimental/filesystem/operations/create_symlink.cc:
1034         Likewise.
1035         * testsuite/experimental/filesystem/operations/current_path.cc:
1036         Likewise.
1037         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
1038         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
1039         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
1040         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
1041         * testsuite/experimental/filesystem/operations/last_write_time.cc:
1042         Likewise.
1043         * testsuite/experimental/filesystem/operations/permissions.cc:
1044         Likewise.
1045         * testsuite/experimental/filesystem/operations/read_symlink.cc:
1046         Likewise.
1047         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
1048         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
1049         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
1050         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
1051         Likewise.
1052         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
1053         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
1054         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
1055         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
1056         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
1057         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
1058         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
1059         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
1060         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
1061         * testsuite/experimental/filesystem/path/construct/default.cc:
1062         Likewise.
1063         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
1064         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
1065         * testsuite/experimental/filesystem/path/construct/string_view.cc:
1066         Likewise.
1067         * testsuite/experimental/filesystem/path/decompose/extension.cc:
1068         Likewise.
1069         * testsuite/experimental/filesystem/path/decompose/filename.cc:
1070         Likewise.
1071         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
1072         Likewise.
1073         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
1074         Likewise.
1075         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
1076         Likewise.
1077         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
1078         Likewise.
1079         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
1080         Likewise.
1081         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
1082         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
1083         Likewise.
1084         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
1085         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
1086         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
1087         Likewise.
1088         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
1089         Likewise.
1090         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
1091         Likewise.
1092         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
1093         Likewise.
1094         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
1095         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
1096         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
1097         Likewise.
1098         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
1099         * testsuite/experimental/filesystem/path/query/has_extension.cc:
1100         Likewise.
1101         * testsuite/experimental/filesystem/path/query/has_filename.cc:
1102         Likewise.
1103         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
1104         Likewise.
1105         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
1106         Likewise.
1107         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
1108         Likewise.
1109         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
1110         Likewise.
1111         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
1112         Likewise.
1113         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
1114         * testsuite/experimental/filesystem/path/query/is_relative.cc:
1115         Likewise.
1116
1117 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
1118
1119         * src/c++11/Makefile.am: Fix sed command.
1120         * src/c++11/Makefile.in: Regenerate.
1121
1122         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
1123         handle mangled names starting with double underscores on darwin.
1124         * src/c++11/Makefile.in: Regenerate.
1125
1126 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
1127
1128         * src/c++11/Makefile.am: Fix comment.
1129         * src/c++11/Makefile.in: Regenerate.
1130         * src/c++11/cxx11-ios_failure.cc: Fix comment.
1131         * src/c++98/ios_failure.cc: Likewise.
1132
1133         * src/c++11/ios.cc: Remove redundant macro definition.
1134
1135 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
1136
1137         * doc/xml/manual/abi.xml: Document header locations in recent
1138         releases.
1139         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
1140         * doc/xml/manual/spine.xml: Update copyright years.
1141         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
1142         undefined behaviour.
1143         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
1144         * doc/html/*: Regenerate.
1145
1146 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
1147
1148         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
1149         * doc/xml/manual/backwards_compatibility.xml: Likewise.
1150         * doc/xml/manual/containers.xml: Likewise.
1151         * doc/xml/manual/debug_mode.xml: Likewise.
1152         * doc/xml/manual/extensions.xml: Likewise.
1153         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
1154         * doc/xml/manual/using.xml: Likewise.
1155         * doc/xml/manual/utilities.xml: Likewise.
1156
1157         PR libstdc++/85222
1158         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
1159         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
1160         * src/c++11/Makefile.in: Regenerate.
1161         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
1162         New types.
1163         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
1164         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
1165         * src/c++98/ios_failure.cc (__construct_ios_failure)
1166         (__destroy_ios_failure, is_ios_failure_handler): New functions.
1167         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
1168         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
1169         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
1170         handler types, to always catch std::ios_base::failure.
1171         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
1172         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
1173         exceptions_failbit.cc: Likewise.
1174         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
1175         exceptions_failbit.cc: Likewise.
1176         * testsuite/27_io/basic_istream/extractors_other/char/
1177         exceptions_null.cc: Likewise.
1178         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
1179         exceptions_null.cc: Likewise.
1180         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
1181         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
1182         * testsuite/27_io/basic_ostream/inserters_other/char/
1183         exceptions_null.cc: Likewise.
1184         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
1185         exceptions_null.cc: Likewise.
1186         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
1187
1188 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
1189
1190         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
1191         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
1192
1193 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
1194
1195         PR libstdc++/85183
1196         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
1197         value categories.
1198         * testsuite/20_util/variant/85183.cc: New.
1199
1200 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
1201
1202         * include/std/variant (__get): Qualify calls to avoid ADL.
1203         (__select_index): Adjust whitespace.
1204         (variant): Add using-declaration to workaround Clang bug.
1205
1206 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
1207
1208         PR libstdc++/85040
1209         * include/bits/stl_function.h (greater::__not_overloaded)
1210         (less::__not_overloaded, greater_equal::__not_overloaded)
1211         (less_equal::__not_overloaded): Fix ambiguous specializations.
1212         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
1213         tests for type with overloaded operators.
1214
1215 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1216
1217         PR libstdc++/77691
1218         * testsuite/experimental/memory_resource/resource_adaptor.cc:
1219         xfail execution on 32-bit Solaris/x86.
1220
1221 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
1222
1223         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
1224         VERIFY instead of assert.
1225         * testsuite/20_util/hash/84998.cc: New test.
1226         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
1227         copy of test adjusted for Debug Mode.
1228         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
1229         test in Debug Mode.
1230
1231 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
1232
1233         PR libstdc++/84998
1234         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
1235         * include/std/bitset: Likewise.
1236         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
1237         declaration.
1238         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
1239         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
1240         * include/bits/stl_set.h (std::set<>): Likewise.
1241         * include/bits/unordered_map.h (std::unordered_map<>): Fix
1242         _Hash_merge_helper friend declaration.
1243         (std::unordered_multimap<>): Likewise.
1244         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
1245         (std::unordered_multiset<>): Likewise.
1246
1247 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
1248
1249         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
1250         trailing slash for domain level link.
1251         * doc/xml/faq.xml: Ditto.
1252         * doc/xml/manual/appendix_free.xml (software): Ditto.
1253         * doc/xml/manual/intro.xml: Ditto.
1254         * doc/xml/manual/spine.xml: Ditto.
1255         * doc/xml/spine.xml: Ditto.
1256
1257 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
1258
1259         * doc/xml/manual/documentation_hacking.xml: Adjust link to
1260         docbook.org.
1261
1262 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
1263
1264         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
1265         to compile as C++98.
1266
1267 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
1268
1269         PR libstdc++/78420
1270         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
1271         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
1272         to ensure total order for pointers.
1273         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
1274         Add operator() overloads for pointer arguments and make generic
1275         overloads dispatch to new _S_cmp functions when comparisons would
1276         use built-in operators for pointers.
1277         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
1278
1279 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
1280
1281         PR libstdc++/84773
1282         PR libstdc++/83662
1283         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
1284         * configure: Regenerate.
1285         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
1286         (aligned_alloc): Add using-declaration.
1287         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
1288
1289 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
1290
1291         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
1292         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
1293         registration.
1294
1295 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
1296
1297         PR libstdc++/84769
1298         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
1299         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
1300
1301         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
1302         src/filesystem/std-ops.cc (create_dir): Likewise.
1303
1304 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
1305
1306         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
1307         (StdListIteratorPrinter): Inherit from latter.
1308         (StdFwdListIteratorPrinter): New, inherit from latter.
1309         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
1310         when iterator has no associated container.
1311         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
1312         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
1313         registrations.
1314         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
1315         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
1316
1317 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
1318
1319         PR libstdc++/84601
1320         * include/std/optional (_Optional_payload): Split into multiple
1321         specializations that can handle different cases of trivial or
1322         non-trivial assignment operators.
1323         * testsuite/20_util/optional/84601.cc: New.
1324         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1325
1326 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
1327
1328         PR libstdc++/84671
1329         * include/bits/parse_numbers.h (_Number_help): Add partial
1330         specialization to handle digit separators. Adjust partial
1331         specialization for recursion temrination to require _Pow == 1ULL.
1332         * testsuite/20_util/duration/literals/84671.cc: New
1333
1334 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
1335
1336         Implement the missing bits of LWG 2769
1337         * include/std/any (any_cast(const any&)): Add static_assert.
1338         (any_cast(any&)): Likewise.
1339         (any_cast(any&&)): Likewise, and remove the handling
1340         for copyable-but-not-movable type.
1341         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
1342         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
1343         add new tests.
1344
1345 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
1346
1347         PR libstdc++/84532
1348         * include/std/thread (thread::__make_invoker): Construct tuple
1349         directly instead of using make_tuple.
1350         * testsuite/30_threads/async/84532.cc: New.
1351         * testsuite/30_threads/thread/84532.cc: New.
1352
1353 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
1354
1355         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
1356         (template<> __aligned_buffer): Define as __aligned_membuf alias.
1357
1358 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
1359
1360         PR target/84148
1361         * configure: Regenerate.
1362
1363 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
1364
1365         PR libstdc++/81797
1366         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
1367         * configure: Regenerate.
1368         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
1369         defined.
1370         * include/Makefile.in: Regenerate.
1371
1372 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
1373
1374         PR libstdc++/83833
1375         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1376         Add -ffloat-store to options for m68k and ia32.
1377
1378         * doc/xml/faq.xml: Update copyright years.
1379         * doc/html/*: Regenerate.
1380
1381         PR libstdc++/83658
1382         * include/std/any (any::__do_emplace): Only set _M_manager after
1383         constructing the contained object.
1384         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
1385         * testsuite/20_util/any/modifiers/83658.cc: New test.
1386
1387 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
1388
1389         PR libstdc++/81076
1390         * include/c_global/cstddef (__byte_operand): Define primary template.
1391         * testsuite/18_support/byte/81076.cc: New test.
1392
1393 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
1394
1395         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
1396         dg-options and dg-add-options order.
1397         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
1398         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
1399         Likewise.
1400         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
1401         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
1402         Likewise.
1403         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
1404         Likewise.
1405         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
1406         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
1407         Likewise.
1408         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
1409         Likewise.
1410         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
1411         Likewise.
1412         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
1413         Likewise.
1414         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
1415         Likewise.
1416         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
1417         Likewise.
1418         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
1419         Likewise.
1420         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
1421         Likewise.
1422         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
1423         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
1424         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
1425         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
1426         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
1427         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
1428         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
1429         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
1430         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
1431         Likewise.
1432         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
1433         Likewise.
1434         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
1435         Likewise.
1436         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
1437         Likewise.
1438
1439 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
1440
1441         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
1442         include linux/types.h when checking linux/random.h header.
1443         * config.h.in: Regenerate.
1444         * configure: Ditto.
1445         * src/c++11/random.cc: Conditionally include linux/types.h.
1446
1447 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1448
1449         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
1450
1451 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
1452
1453         PR libstdc++/83834
1454         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
1455         pattern with exact match for std::cerr.
1456
1457 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1458
1459         PR libstdc++/83833
1460         * include/bits/random.h (chi_squared_distribution::param): Update
1461         gamma distribution parameter.
1462         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
1463         test.
1464
1465         PR libstdc++/83830
1466         * include/std/type_traits (has_unique_object_representations_v): Add
1467         variable template.
1468         * testsuite/20_util/has_unique_object_representations/value.cc: Check
1469         variable template.
1470
1471 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
1472
1473         Make optional conditionally
1474         trivially_{copy,move}_{constructible,assignable}
1475         * include/std/optional (_Optional_payload): Fix the comment in
1476         the class head and turn into a primary and one specialization.
1477         (_Optional_payload::_M_engaged): Strike the NSDMI.
1478         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
1479         New.
1480         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
1481         Likewise.
1482         (_Optional_payload<_Tp, false>::_M_get): Likewise.
1483         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
1484         (_Optional_base_impl): Likewise.
1485         (_Optional_base): Turn into a primary and three specializations.
1486         (optional(nullopt)): Change the base init.
1487         * testsuite/20_util/optional/assignment/8.cc: New.
1488         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
1489         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1490
1491 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1492
1493         PR libstdc++/80276
1494         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
1495         (get_template_arg_list): New.
1496         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
1497         instead.
1498         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
1499         of strings and regular expressions.
1500         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
1501         (FilteringTypePrinter): Add docstring. Match using startswith. Use
1502         strip_inline_namespaces instead of strip_versioned_namespace.
1503         (add_one_type_printer): Prepend namespace to match argument.
1504         (register_type_printers): Add type printers for char16_t and char32_t
1505         string types and for types using cxx11 ABI. Update calls to
1506         add_one_template_type_printer to provide default argument dicts.
1507         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
1508         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
1509         basic_string<unsigned char> and basic_string<signed char>.
1510         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
1511         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
1512
1513 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
1514
1515         PR libstdc++/81092
1516         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1517
1518 2018-01-13  Tim Shen  <timshen@google.com>
1519
1520         PR libstdc++/83601
1521         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
1522         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
1523         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
1524
1525 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1526
1527         PR libstdc++/64054
1528         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
1529         Remove dg-xfail-run-if.
1530
1531 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
1532
1533         * include/bits/forward_list.h
1534         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
1535         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
1536         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
1537         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
1538         (_Fwd_list_impl()): Add noexcept qualification.
1539         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
1540         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
1541         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
1542         (_Fwd_list_base()): Default.
1543         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
1544         (_Fwd_list_base(_Fwd_list_base&&)): Default.
1545         (forward_list<>()): Default.
1546         (forward_list<>(forward_list&&)): Default.
1547         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
1548         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
1549         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
1550         * include/bits/forward_list.tcc
1551         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
1552         _M_impl._M_head move assignment.
1553         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
1554         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
1555
1556 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
1557
1558         PR libstdc++/80276
1559         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
1560         (UniquePointerPrinter): Print correct template argument, not type of
1561         the pointer.
1562         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
1563         a type.
1564         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
1565         array type.
1566         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
1567         weak_ptr of array types.
1568
1569 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
1570
1571         PR libstdc++/83709
1572         * include/bits/hashtable_policy.h
1573         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
1574         __first != __last.
1575         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
1576         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
1577         Add false_type parameter.
1578         (_Insert_base::insert): Adapt.
1579         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
1580         Adapt.
1581         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
1582          Add __n_elt parameter, defaulted to 1.
1583         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
1584         policy _M_need_rehash.
1585         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
1586         produce only 1 rehash if necessary.
1587         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
1588         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
1589
1590 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
1591             Jonathan Wakely  <jwakely@redhat.com>
1592
1593         PR libstdc++/59253 (partial)
1594         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
1595         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
1596         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
1597         children.
1598         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
1599         of unique_ptr printer.
1600         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
1601         output of shared_ptr printer.
1602
1603 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
1604
1605         PR libstdc++/83626
1606         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
1607         unnecessary symlink_status call.
1608         (remove_all(const path&, error_code&)): Use filesystem::remove.
1609         * src/filesystem/std-ops.cc: Likewise.
1610
1611         PR libstdc++/83279
1612         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
1613         sendfile.
1614
1615         PR libstdc++/83626
1616         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
1617         report an error for ENOENT.
1618         (remove_all(const path&)): Fix type of result variable.
1619         (remove_all(const path&, error_code&)): Use non-throwing increment
1620         for directory iterator. Call POSIX remove directly to avoid redundant
1621         calls to symlink_status. Do not report errors for ENOENT.
1622         * src/filesystem/std-ops.cc: Likewise.
1623         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
1624         overload.
1625         * testsuite/experimental/filesystem/operations/remove_all.cc:
1626         Likewise.
1627
1628 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
1629
1630         PR libstdc++/83626
1631         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
1632         redundant call to ec.clear().
1633         (remove_all(const path&, error_code&))): Do not return an error for
1634         non-existent paths.
1635         * src/filesystem/std-ops.cc: Likewise.
1636         * testsuite/27_io/filesystem/operations/remove.cc: New test.
1637         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
1638         results for non-existent paths.
1639         * testsuite/experimental/filesystem/operations/remove.cc: New test.
1640         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
1641         expected results for non-existent paths.
1642
1643         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
1644         check status_known once.
1645         * include/experimental/bits/fs_ops.h: Likewise.
1646
1647         PR libstdc++/83607
1648         * include/std/functional (__is_byte_like): New trait.
1649         (__is_std_equal_to): Remove.
1650         (__boyer_moore_base_t): Use __is_byte_like instead of
1651         __is_std_equal_to.
1652         * include/experimental/functional (__is_std_equal_to): Remove.
1653         (__boyer_moore_base_t): Use __is_byte_like instead of
1654         __is_std_equal_to.
1655         * testsuite/20_util/function_objects/83607.cc: New test.
1656
1657 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
1658
1659         Protect optional's deduction guide with the feature macro
1660         * include/std/optional: Use the feature macro.
1661
1662 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1663
1664         Update copyright years.
1665 \f
1666 Copyright (C) 2018 Free Software Foundation, Inc.
1667
1668 Copying and distribution of this file, with or without modification,
1669 are permitted in any medium without royalty provided the copyright
1670 notice and this notice are preserved.