libstdc++-v3/ChangeLog

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