libstdc++-v3/ChangeLog

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