libstdc++-v3/ChangeLog

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