libstdc++-v3/ChangeLog

   1 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
   2
   3         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
   4         (__glibcxx_requires_can_decrement_range): New.
   5
   6 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
   7
   8         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
   9         (__glibcxx_check_can_decrement_range): New.
  10         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
  11         __glibcxx_requires_can_increment_range.
  12         (std::move(_II, _II, _OI)): Likewise.
  13         (std::copy_backward(_BI, _BI, _BI2)): Use
  14         __glibcxx_requires_can_decrement_range.
  15         (std::move_backward(_BI, _BI, _BI2)): Likewise.
  16         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
  17         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
  18         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
  19         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
  20         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
  21         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
  22
  23 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
  24
  25         P0935R0 Eradicating unnecessarily explicit default constructors
  26         * include/bits/random.h (linear_congruential_engine)
  27         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
  28         (uniform_real_distribution, normal_distribution)
  29         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
  30         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
  31         (bernoulli_distribution, binomial_distribution,geometric_distribution)
  32         (negative_binomial_distribution, exponential_distribution)
  33         (weibull_distribution, extreme_value_distribution): Add non-explicit
  34         default constructors. Remove default argument for first parameter of
  35         explicit constructors.
  36         (piecewise_constant_distribution, piecewise_linear_distribution):
  37         Make default constructor non-explicit.
  38         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
  39         non-explicit default constructors. Remove default argument for first
  40         parameter of explicit constructor.
  41         (simd_fast_mersenne_twister_engine, beta_distribution)
  42         (rice_distribution, nakagami_distribution, pareto_distribution)
  43         (k_distribution, arcsine_distribution, hoyt_distribution)
  44         (triangular_distribution, von_mises_distribution)
  45         (hypergeometric_distribution, logistic_distribution)
  46         (uniform_inside_sphere_distribution): Likewise.
  47         (uniform_on_sphere_distribution): Make default constructor
  48         non-explicit.
  49         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
  50         Test for non-explicit default constructor. Fix references to standard.
  51         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
  52         Likewise.
  53         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
  54         Likewise.
  55         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
  56         Likewise.
  57         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
  58         Likewise.
  59         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
  60         Likewise.
  61         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
  62         Likewise.
  63         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
  64         Likewise.
  65         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
  66         Likewise.
  67         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
  68         Likewise.
  69         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
  70         Likewise.
  71         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
  72         Likewise.
  73         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
  74         Likewise.
  75         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
  76         Likewise.
  77         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
  78         Likewise.
  79         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
  80         Likewise.
  81         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
  82         Likewise.
  83         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
  84         Likewise.
  85         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
  86         Likewise.
  87         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
  88         Likewise.
  89         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
  90         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
  91         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
  92         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
  93         Likewise.
  94         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
  95         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
  96         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
  97         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
  98         Likewise.
  99         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
 100         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
 101         * testsuite/ext/random/triangular_distribution/cons/default.cc:
 102         Likewise.
 103         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
 104         Likewise.
 105         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
 106         Likewise.
 107         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
 108         Likewise.
 109         * testsuite/util/testsuite_common_types.h
 110         (implicitly_default_constructible): New helper.
 111
 112 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
 113
 114         * include/bits/ios_base.h (ios::Init::Init(const Init&))
 115         (ios::Init::operator=): Define as defaulted.
 116         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
 117         Likewise.
 118         * include/bits/stream_iterator.h (istream_iterator::operator=)
 119         (ostream_iterator::operator=): Likewise.
 120         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
 121         Likewise.
 122         * include/std/bitset (bitset::reference::reference(const reference&)):
 123         Likewise.
 124         * include/std/complex (complex<float>::complex(const complex&))
 125         (complex<double>::complex(const complex&))
 126         (complex<long double>::complex(const complex&)): Likewise.
 127
 128 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
 129
 130         * include/bits/regex.h (sub_match): Add noexcept to default
 131         constructor and length observer.
 132         (match_results): Add noexcept to default constructor and observers
 133         with no preconditions. Define destructor as defaulted.
 134         (operator==, operator!=, swap): Add noexcept.
 135         (regex_iterator): Add default member initializers and define default
 136         constructor and destructor as defaulted. Add noexcept to equality
 137         and dereference operators.
 138
 139 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
 140
 141         * src/c++11/debug.cc
 142         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
 143         (_Safe_iterator_base::_M_detach_single()): Likewise.
 144         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
 145         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
 146
 147 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
 148
 149         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
 150         move of const value.
 151
 152 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
 153
 154         PR c++/86068
 155         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
 156         rather than __cpp_transactional_memory >= 201505L.
 157
 158 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
 159
 160         PR libstdc++/86008
 161         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
 162         Define new partial specialization.
 163         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
 164         new overload.
 165         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
 166         value not reference for iteration.
 167         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
 168         comment.
 169         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
 170         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
 171         comment.
 172
 173 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
 174
 175         * include/std/type_traits: Fix comment typos.
 176
 177         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
 178         mingw* targets.
 179         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
 180         * testsuite/experimental/filesystem/operations/read_symlink.cc:
 181         Likewise.
 182
 183 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
 184
 185         * include/bits/stl_tempbuf.h
 186         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
 187         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
 188         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
 189         * include/bits/stl_algo.h (__stable_partition): Adapt.
 190         (__inplace_merge): Adapt.
 191         (__stable_sort): Adapt.
 192
 193 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
 194
 195         PR libstdc++/85930
 196         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
 197         unconditionally. Remove redundant declaration.
 198         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
 199         alignment-specifier.
 200
 201         * include/bits/postypes.h (fpos): Define special members as defaulted.
 202
 203         PR libstdc++/85930
 204         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
 205         the static variable correctly.
 206
 207 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
 208
 209         PR libstdc++/78870 support std::filesystem on Windows
 210         * config.h.in: Regenerate.
 211         * configure: Regenerate.
 212         * configure.ac: Check for link, readlink and symlink.
 213         * include/bits/fs_path.h (path::operator/=(const path&)): Move
 214         definition out of class body.
 215         (path::is_absolute(), path::_M_append(path)): Likewise.
 216         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
 217         (operator>>(basic_istream, path&)): Likewise.
 218         (u8path): Reorder definitions and fix Windows implementation.
 219         (path::is_absolute()): Define inline and fix for Windows.
 220         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
 221         Define POSIX version inline.
 222         (path::_M_append(path)): Define inline.
 223         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
 224         definition out of class body.
 225         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
 226         escape characters.
 227         (operator>>(basic_istream, path&)): Likewise.
 228         (path::is_absolute()): Define inline and fix for Windows.
 229         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
 230         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
 231         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
 232         Define as adaptors for Windows functions/types or as
 233         using-declarations for POSIX functions/types.
 234         (_Dir_base, get_file_type): Qualify names to use declarations from
 235         __gnu_posix namespace.
 236         (_Dir_base::is_dor_or_dotdot): New helper functions.
 237         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
 238         names to use declarations from __gnu_posix namespace.
 239         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
 240         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
 241         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
 242         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
 243         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
 244         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
 245         Define as adaptors for Windows functions/types or as
 246         using-declarations for POSIX functions/types.
 247         (stat_type, do_copy_file): Qualify names to use declarations from
 248         __gnu_posix namespace.
 249         (do_space): Declare new function.
 250         (make_file_type): Only use S_ISLNK if defined.
 251         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
 252         path::value_type not char.
 253         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
 254         names to use declarations from __gnu_posix namespace.
 255         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
 256         add implementation for Windows.
 257         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
 258         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
 259         [!_PC_PATH_MAX]: Don't use pathconf.
 260         [PATH_MAX]: Use if defined.
 261         (filesystem::current_path(const path&, error_code&))
 262         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
 263         (filesystem::last_write_time, filesystem::permissions): Use names
 264         from __gnu_posix.
 265         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
 266         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
 267         implementation for Windows.
 268         (filesystem::rename, filesystem::resize_file): Use names from
 269         __gnu_posix.
 270         (filesystem::space): Use do_space.
 271         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
 272         (filesystem::status, filesystem::symlink_status): Use names from
 273         __gnu_posix.
 274         (filesystem::temp_directory_path): Add implementation for Windows.
 275         * src/filesystem/path.cc (dot): Define constant.
 276         (path::replace_extension): Use dot.
 277         (path::_M_find_extension): Likewise. Use path::string_type not
 278         std::string.
 279         (path::_M_split_cmpts): Use dot.
 280         (filesystem_error::_M_get_what): Use u8string() not native().
 281         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
 282         Qualify names to use declarations from __gnu_posix namespace.
 283         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
 284         correct error_code.
 285         (filesystem::absolute(const path&, error_code&)): Add implementation
 286         for Windows.
 287         (char_ptr, filesystem::canonical): Use path::value_type not char.
 288         (do_copy_file): Use names from __gnu_posix.
 289         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
 290         sendfile.
 291         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
 292         names to use declarations from __gnu_posix namespace.
 293         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
 294         add implementation for Windows.
 295         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
 296         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
 297         [!_PC_PATH_MAX]: Don't use pathconf.
 298         [PATH_MAX]: Use if defined.
 299         (filesystem::current_path(const path&, error_code&))
 300         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
 301         (filesystem::last_write_time, filesystem::permissions): Use names
 302         from __gnu_posix.
 303         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
 304         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
 305         implementation for Windows.
 306         (filesystem::rename, filesystem::resize_file): Use names from
 307         __gnu_posix.
 308         (do_space): Define.
 309         (filesystem::space): Use do_space.
 310         (filesystem::status, filesystem::symlink_status): Use names from
 311         __gnu_posix.
 312         (filesystem::temp_directory_path): Add implementation for Windows.
 313         * src/filesystem/std-path.cc
 314         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
 315         Define for Windows.
 316         (dot): Define constant.
 317         (path::replace_extension, is_dot): Use dot.
 318         (path::lexically_normal): Check _M_type instead of calling
 319         non-existent function.
 320         (path::_M_find_extension): Use dot. Use path::string_type not
 321         std::string.
 322         (path::_M_split_cmpts): Use dot.
 323         (filesystem_error::_M_get_what): Use u8string() not native().
 324         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
 325         use symlinks.
 326         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
 327         Likewise.
 328         * testsuite/27_io/filesystem/operations/absolute.cc: Use
 329         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
 330         * testsuite/27_io/filesystem/operations/canonical.cc: Use
 331         path::string() to get narrow string, not path::native().
 332         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
 333         with std::filesystem::path not std::basic_string.
 334         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
 335         * testsuite/27_io/filesystem/operations/exists.cc: Use
 336         __gnu_test::root_path() instead of "/".
 337         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
 338         fstreams with std::filesystem::path not std::basic_string.
 339         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
 340         path::string() to get narrow string.
 341         * testsuite/27_io/filesystem/operations/space.cc: Check results for
 342         errors, expect sensible values otherwise.
 343         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
 344         helpers for adjusting the environment on Windows.
 345         * testsuite/27_io/filesystem/path/append/path.cc: Test
 346         Windows-specific behaviour.
 347         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
 348         of path::string_type objects.
 349         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
 350         string to wide string on Windows.
 351         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
 352         for backslash as root-directory.
 353         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
 354         path::string() to get narrow string.
 355         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
 356         paths.
 357         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
 358         not std::string.
 359         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
 360         different definintion of absolute paths on Windows.
 361         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
 362         Do not use symlinks.
 363         * testsuite/experimental/filesystem/operations/absolute.cc: Test
 364         Windows behaviour.
 365         * testsuite/experimental/filesystem/operations/copy.cc: Construct
 366         fstreams with NTCTS not std::basic_string.
 367         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
 368         * testsuite/experimental/filesystem/operations/exists.cc: Use
 369         __gnu_test::root_path() instead of "/".
 370         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
 371         fstreams with NTCTS not std::basic_string.
 372         * testsuite/experimental/filesystem/operations/last_write_time.cc:
 373         Use path::string() to get narrow string.
 374         * testsuite/experimental/filesystem/operations/space.cc: Use
 375         __gnu_test::root_path() instead of "/".
 376         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
 377         Add helpers for adjusting the environment on Windows.
 378         * testsuite/experimental/filesystem/path/append/path.cc: Use
 379         path::string() to get narrow strings for comparisons.
 380         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
 381         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
 382         Likewise.
 383         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
 384         * testsuite/experimental/filesystem/path/native/string.cc: Use
 385         string_type not std::string.
 386         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
 387         Adjust for different definintion of absolute paths on Windows.
 388         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
 389         function.
 390         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
 391         std::basic_string.
 392
 393 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
 394
 395         PR libstdc++/85951
 396         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
 397         uint_least16_t and uint_least32_t.
 398         (__make_unsigned<wchar_t>): Define unconditionally.
 399         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
 400         typedefs.
 401         (__make_unsigned_selector_base): New type to provide helper templates.
 402         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
 403         __make_unsigned_selector_base helpers.
 404         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
 405         (__make_signed_selector<_Tp, true, false>): Remove intermediate
 406         typedefs.
 407         (__make_signed<wchar_t>, __make_signed<char16_t>)
 408         (__make_signed<char32_t>)): Define unconditionally.
 409         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
 410         wchar_t, char16_t and char32_t are transformed correctly.
 411         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
 412         dg-error lineno.
 413         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
 414         wchar_t, char16_t and char32_t are transformed correctly.
 415         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
 416         dg-error lineno.
 417
 418 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
 419
 420         * include/std/variant (__erased_dtor): Qualify call to __get.
 421
 422 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
 423
 424         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
 425         (_Rb_tree(const allocator_type&)): Use latter.
 426         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
 427         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
 428         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
 429         * include/bits/stl_multimap.h
 430         (multimap(const allocator_type&)): Likewise.
 431         (multimap(initializer_list<value_type>, const allocator_type&)):
 432         Likewise.
 433         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
 434         Likewise.
 435         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
 436         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
 437         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
 438         * include/bits/stl_multiset.h
 439         (multiset(const allocator_type&)): Likewise.
 440         (multiset(initializer_list<value_type>, const allocator_type&)):
 441         Likewise.
 442         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
 443         Likewise.
 444
 445 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
 446
 447         PR libstdc++/85768
 448         * src/c++11/debug.cc: Remove backtrace usage.
 449
 450 2018-05-24  Maya Rashish  <coypu@sdf.org>
 451
 452         PR target/85904
 453         * crossconfig.m4: Test for aligned_alloc on netbsd.
 454         * configure: Regenerate.
 455
 456 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
 457
 458         PR libstdc++/69769
 459         PR libstdc++/85886
 460         * include/bits/atomic_base.h (__atomic_base::value_type)
 461         (__atomic_base::difference_type): Add new typedefs.
 462         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
 463         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
 464         (atomic<T*>::operator++, atomic<T*>::operator--)
 465         (atomic<T*>::operator+=, atomic<T*>::operator-=)
 466         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
 467         to enforce C++17 requirement on pointer arithmetic.
 468         (__atomic_val_t, __atomic_diff_t): New alias templates.
 469         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
 470         (atomic_compare_exchange_weak_explicit)
 471         (atomic_compare_exchange_strong_explicit, atomic_store)
 472         (atomic_exchange, atomic_compare_exchange_weak)
 473         (atomic_compare_exchange_strong): Use __atomic_val_t to make
 474         scalar parameters be non-deduced contexts.
 475         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
 476         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
 477         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
 478         parameters.
 479         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
 480         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
 481         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
 482         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
 483         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
 484         address types.
 485         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
 486         * testsuite/29_atomics/atomic/69769.cc: New test.
 487         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
 488         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
 489         Disable test for C++17 and later.
 490         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
 491         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
 492         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
 493         test.
 494
 495 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
 496
 497         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
 498         template to alias template.
 499         (path::__value_type_is_char): Use remove_const_t.
 500         (path:_S_string_from_iter): New helper function.
 501         (path::_S_convert(InputIter, __null_terminated))
 502         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
 503         Use _S_string_from_iter.
 504         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
 505         rep for COW strings.
 506         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
 507         Change from class template to alias template.
 508         (path::__value_type_is_char): Use remove_const.
 509         (path:_S_string_from_iter): New helper function.
 510         (path::_S_convert(InputIter, __null_terminated))
 511         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
 512         Use _S_string_from_iter.
 513         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
 514         wide strings.
 515         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
 516         string equality, not path equivalence.
 517         * testsuite/27_io/filesystem/path/construct/format.cc: Check
 518         construction from std::string and std::wstring and input iterators.
 519         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
 520         construction from iterators.
 521         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
 522         exact string equality, not path equivalence.
 523         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
 524         construction from iterators.
 525
 526         * include/bits/fs_path.h (path::_M_type): Change default member
 527         initializer to _Filename.
 528         (path::begin): Create past-the-end iterator for empty path.
 529         * src/filesystem/std-path.cc (path::remove_filename()): Remove
 530         debugging check.
 531         (path::has_relative_path()): Return false for empty filenames.
 532         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
 533         Fix offset of empty final component.
 534         * testsuite/27_io/filesystem/path/itr/components.cc: New.
 535         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
 536
 537 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 538
 539         Add support for opening file streams from wide character strings.
 540         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
 541         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 542         Define new overload.
 543         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
 544         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 545         Declare new overload.
 546         * configure.ac: Check for _wfopen.
 547         * crossconfig.m4: Likewise.
 548         * configure: Regenerate.
 549         * config.h.in: Regenerate.
 550         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
 551         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 552         Define new overload.
 553         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
 554         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 555         Declare new overload.
 556         [_GLIBCXX_HAVE__WFOPEN]
 557         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 558         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
 559         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 560         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
 561         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 562         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
 563         new overloads.
 564         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
 565         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
 566         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
 567         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
 568         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
 569         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
 570         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
 571
 572 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
 573
 574         PR libstdc++/85845
 575         * include/bits/stl_tree.h
 576         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
 577         qualification.
 578
 579 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 580
 581         * src/filesystem/std-ops.cc (absolute): Report an error for empty
 582         paths.
 583         (weakly_canonical(const path&)): Do not call canonical on empty path.
 584         (weakly_canonical(const path&, error_code&)): Likewise.
 585         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
 586
 587         PR libstdc++/85818
 588         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
 589         dg-require-filesystem-ts.
 590
 591         PR libstdc++/85843
 592         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
 593         initialize base class to avoid warnings.
 594
 595 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
 596
 597         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
 598         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
 599         little_endian element in bitmask.
 600         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
 601         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
 602
 603 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
 604
 605         * include/bits/stl_tree.h
 606         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
 607         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
 608         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
 609         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
 610         * include/debug/map.h
 611         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
 612         * include/debug/multimap.h
 613         (multimap(multimap&&, const_allocator_type&)): Likewise.
 614         * include/debug/set.h
 615         (set(set&&, const_allocator_type&)): Likewise.
 616         * include/debug/multiset.h
 617         (multiset(multiset&&, const_allocator_type&)): Likewise.
 618         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
 619         Add checks.
 620         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
 621         Add checks.
 622         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
 623         Add checks.
 624         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
 625         Add checks.
 626         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
 627         Add checks.
 628         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
 629         Add checks.
 630         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
 631         Add checks.
 632         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
 633         Add checks.
 634
 635 2018-05-18  Jason Merrill  <jason@redhat.com>
 636
 637         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
 638         for conversion to const_iterator.  Add defaulted copy ops.
 639         * libsupc++/new (bad_alloc): Add defaulted copy ops.
 640         * libsupc++/exception.h (exception): Add defaulted copy ops.
 641         * include/std/system_error (system_error): Add defaulted copy ops.
 642         * include/std/stdexcept (domain_error, invalid_argument)
 643         (length_error, out_of_range, range_error, overflow_error)
 644         (underflow_error): Add defaulted copy ops.
 645         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
 646         copy assignment.
 647         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
 648         * include/ext/throw_allocator.h (condition_base): Add defaulted
 649         default and copy ctor and copy assignment.
 650
 651 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
 652
 653         PR libstdc++/85098
 654         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
 655         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
 656         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
 657         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
 658         definitions.
 659         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
 660         whitespace.
 661         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
 662         braces around body of do-while.
 663         * testsuite/28_regex/basic_regex/85098.cc: New
 664
 665 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
 666
 667         PR libstdc++/85818
 668         * src/filesystem/path.cc (path::preferred_separator): Add used
 669         attribute.
 670         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
 671
 672         PR libstdc++/85812
 673         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
 674         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
 675         Refactor to separate non-throwing and throwing implementations.
 676         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
 677         if constructing the object throws.
 678
 679 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
 680
 681         PR libstdc++/85749
 682         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
 683         (linear_congruential_engine, mersenne_twister_engine)
 684         (subtract_with_carry_engine, discard_block_engine)
 685         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
 686         constrain function templates taking seed sequences.
 687         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
 688         (mersenne_twister_engine::seed(_Sseq&))
 689         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
 690         match declarations.
 691         * include/ext/random (simd_fast_mersenne_twister_engine): Use
 692         __is_seed_seq to constrain function templates taking seed sequences.
 693         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
 694         Change return type to match declaration.
 695         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
 696         New.
 697         * testsuite/26_numerics/random/independent_bits_engine/cons/
 698         seed_seq2.cc: New.
 699         * testsuite/26_numerics/random/linear_congruential_engine/cons/
 700         seed_seq2.cc: New.
 701         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
 702         seed_seq2.cc: New.
 703         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
 704         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
 705         New.
 706         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
 707         seed_seq2.cc: New.
 708         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
 709         seed_seq2.cc: New.
 710
 711         PR libstdc++/83891
 712         * include/bits/fs_path.h (path::is_absolute()): Use same definition
 713         for all operating systems.
 714         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
 715         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
 716         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
 717         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
 718
 719         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
 720         unused <vector> header.
 721         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
 722         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
 723         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
 724         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
 725         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
 726         Likewise.
 727         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
 728         Likewise.
 729         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
 730         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
 731         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
 732         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
 733         * testsuite/experimental/filesystem/path/decompose/extension.cc:
 734         Likewise.
 735         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
 736         * testsuite/experimental/filesystem/path/query/has_extension.cc:
 737         Likewise.
 738         * testsuite/experimental/filesystem/path/query/has_filename.cc:
 739         Likewise.
 740         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
 741         Likewise.
 742         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
 743         Likewise.
 744         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
 745         Likewise.
 746         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
 747         Likewise.
 748         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
 749         Likewise.
 750         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
 751         * testsuite/experimental/filesystem/path/query/is_relative.cc:
 752         Likewise.
 753
 754         PR libstdc++/84159
 755         * include/bits/fs_path.h (path::operator/=, path::append): Construct
 756         temporary path before calling _M_append.
 757         (path::_M_append): Change parameter to path and implement C++17
 758         semantics.
 759         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
 760         and more examples from the standard.
 761         * testsuite/27_io/filesystem/path/append/source.cc: New.
 762         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
 763         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
 764
 765         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
 766         __invoke to prevent ADL.
 767
 768 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
 769
 770         PR libstdc++/81256
 771         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
 772         exceptions from _M_terminate_output().
 773         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
 774         exceptions from close().
 775         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
 776
 777         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
 778         (__valarray_get_storage): Call operator new directly. Remove ignored
 779         top-level restrict qualifier and add malloc attribute instead.
 780         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
 781
 782         PR libstdc++/67554
 783         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
 784         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
 785
 786         PR libstdc++/82966
 787         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
 788         instead of type.
 789         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
 790
 791 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
 792
 793         PR libstdc++/80165
 794         * testsuite/20_util/variant/80165.cc: New.
 795
 796 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 797
 798         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
 799         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
 800         of C++11 containers with Debug Mode support.
 801         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
 802         * doc/html/*: Regenerate.
 803
 804 2018-05-10  Jason Merrill  <jason@redhat.com>
 805
 806         * include/bits/regex_compiler.h (_S_cache_size): Change from
 807         function to variable.
 808
 809 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
 810
 811         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
 812         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
 813         argument defaulted to +1.  Doxy comments on same.
 814         * testsuite/special_functions/02_assoc_legendre/
 815         check_value.cc: Regen.
 816         * testsuite/tr1/5_numerical_facilities/special_functions/
 817         02_assoc_legendre/check_value.cc: Regen.
 818
 819 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 820
 821         PR libstdc++/85729
 822         * include/bits/c++config.h (__replacement_assert): Add linkage
 823         specification.
 824         * include/bits/std_abs.h: Add comment to closing brace of block.
 825         * include/c_global/cstddef: Add linkage specification.
 826         * include/c_global/cstring: Likewise.
 827         * include/c_global/cwchar: Likewise.
 828
 829 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
 830
 831         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
 832         Rename in...
 833         (_Safe_iterator<>::_S_constant()): ...that.
 834         * include/debug/safe_local_iterator.h
 835         (_Safe_local_iterator<>::_M_constant()): Rename in...
 836         (_Safe_local_iterator<>::_S_constant()): ...that.
 837         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
 838         (_Iterator_state::__rbegin): New.
 839         (_Iterator_state::__rmiddle): New.
 840         (_Iterator_state::__rend): New.
 841         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
 842         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
 843         iterator type.
 844         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
 845         _Is_iterator)): Likewise.
 846         (_Parameter::_S_reverse_state(_Iterator_state)): New.
 847         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
 848         _Is_iterator)): New.
 849         (_Parameter(std::reverse_iterator<> const&, const char*,
 850         _Is_iterator)): New.
 851         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
 852         const char*, _Is_iterator)): New.
 853         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
 854         New.
 855         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
 856         _Is_iterator)): New.
 857         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
 858         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
 859         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
 860
 861 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
 862
 863         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
 864         Use constexpr if in C++17 mode.
 865         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
 866         Copy from const object.
 867         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
 868
 869 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
 870
 871         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
 872         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
 873         backtrace.
 874
 875         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
 876         * include/debug/functions.h (__check_valid_range): Use latter.
 877         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
 878         use latter.
 879         * include/debug/deque
 880         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
 881         * include/debug/forward_list
 882         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
 883         Likewise.
 884         * include/debug/list
 885         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 886         * include/debug/list
 887         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 888         * include/debug/map.h
 889         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 890         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
 891         Likewise.
 892         * include/debug/multimap.h
 893         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 894         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
 895         const _Alloc&)): Likewise.
 896         * include/debug/set.h
 897         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 898         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
 899         Likewise.
 900         * include/debug/multiset.h
 901         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 902         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
 903         const _Alloc&)): Likewise.
 904         * include/debug/string
 905         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
 906         Likewise.
 907         * include/debug/unordered_map
 908         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
 909         Likewise.
 910         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
 911         const _Alloc&)): Likewise.
 912         * include/debug/unordered_set
 913         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
 914         Likewise.
 915         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
 916         const _Alloc&)): Likewise.
 917         * include/debug/vector
 918         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
 919
 920         * include/debug/formatter.h (_Error_formatter::_M_function): New.
 921         (_Error_formatter(const char*, unsigned int)): Adapt.
 922         (_Error_formatter::_M_at): Rename in...
 923         (_Error_formatter::_S_at): ...that and adapt.
 924         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
 925         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
 926         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
 927         when available.
 928
 929 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
 930
 931         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
 932         Use normal std::vector even in Debug Mode.
 933
 934         PR libstdc++/85672
 935         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
 936         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
 937         * include/Makefile.in: Regenerate.
 938         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
 939         within conditional block.
 940
 941 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
 942
 943         * doc/xml/manual/using.xml (table.cmd_options): Document that the
 944         C++17 Filesystem implementation also needs -lstdc++fs.
 945
 946         PR libstdc++/85671
 947         * include/bits/fs_path.h (operator/): Permit copy elision.
 948         * include/experimental/bits/fs_path.h (operator/): Likewise.
 949
 950 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
 951
 952         Moar PR libstdc++/80506
 953         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
 954         Fix magic number used in loop condition.
 955
 956 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
 957
 958         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
 959         * include/std/optional (_Optional_payload): Add noexcept to default
 960         constructor. Re-indent.
 961         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
 962         constructor for copying disengaged payloads.
 963         (_Optional_payload<_Tp, true, false, true>): Likewise.
 964         (_Optional_payload<_Tp, true, true, false>): Likewise.
 965         (_Optional_payload<_Tp, true, false, false>): Likewise.
 966         * testsuite/20_util/optional/cons/85642.cc: New.
 967         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
 968
 969 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
 970
 971         PR libstdc++/82644
 972         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
 973         inline definitions instead of using-declarations.
 974         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
 975         * testsuite/tr1/5_numerical_facilities/special_functions/
 976         07_conf_hyperg/compile_cxx17.cc: New.
 977         * testsuite/tr1/5_numerical_facilities/special_functions/
 978         17_hyperg/compile_cxx17.cc: New.
 979
 980         PR libstdc++/84769
 981         * include/std/variant (visit): Qualify std::get call.
 982
 983         PR libstdc++/85632 use uintmax_t for arithmetic
 984         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
 985         arithmetic in result type.
 986         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
 987         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
 988         is greater than free space.
 989         * testsuite/experimental/filesystem/operations/space.cc: New.
 990
 991         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
 992         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
 993         New.
 994         * testsuite/20_util/remove_cvref/value.cc: New.
 995         * testsuite/20_util/remove_cvref/value_ext.cc: New.
 996
 997         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
 998         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
 999         (append(const basic_string&, size_type, size_type)
1000         (assign(const basic_string&, size_type, size_type)
1001         (insert(size_type, const basic_string&, size_type, size_type)
1002         (replace(size_type,size_type,const basic_string&,size_type,size_type)
1003         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
1004         Add default arguments (LWG 2268).
1005         [_GLIBCXX_USE_CXX11_ABI=0]
1006         (append(const basic_string&, size_type, size_type)
1007         (assign(const basic_string&, size_type, size_type)
1008         (insert(size_type, const basic_string&, size_type, size_type)
1009         (replace(size_type,size_type,const basic_string&,size_type,size_type)
1010         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
1011         Likewise.
1012         * testsuite/21_strings/basic_string/dr2268.cc: New test.
1013
1014         PR libstdc++/84535
1015         * include/std/thread (thread::__not_same): New SFINAE helper.
1016         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
1017         first argument is not a std::thread. Add static assertion to check
1018         INVOKE expression is valid.
1019         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
1020         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
1021         __invoke_result for return types and remove exception specifications.
1022         * testsuite/30_threads/thread/cons/84535.cc: New.
1023
1024         * include/std/future (__async_result_of): Use __invoke_result instead
1025         of result_of.
1026
1027         * include/std/any (any_cast): Use __remove_cvref_t.
1028         * include/std/tuple (__make_tuple): Likewise.
1029         * include/std/type_traits (__remove_cvref_t): Define.
1030         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
1031         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
1032         * include/std/variant (__erased_hash): Use __remove_cvref_t.
1033
1034 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
1035
1036         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
1037         ensure overloaded comma not used.
1038         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
1039         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
1040         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
1041         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
1042         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
1043         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
1044         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
1045
1046 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
1047
1048         PR libstdc++/68197
1049         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
1050         indices to unsigned.
1051         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
1052         as failure. Refactor error handling.
1053         * testsuite/27_io/ios_base/storage/68197.cc: New.
1054
1055         PR libstdc++/57997
1056         PR libstdc++/83860
1057         * include/bits/gslice_array.h (gslice_array): Define default
1058         constructor as deleted, as per C++11 standard.
1059         * include/bits/mask_array.h (mask_array): Likewise.
1060         * include/bits/slice_array.h (slice_array): Likewise.
1061         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
1062         to namespace __detail.
1063         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
1064         members.
1065         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
1066         of data members in closure objects.
1067         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
1068         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
1069         __detail.
1070         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
1071         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
1072         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
1073         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
1074         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
1075         using-declarations to namespace std.
1076         * testsuite/26_numerics/valarray/83860.cc: New.
1077
1078         * testsuite/backward/strstream_move.cc: Remove duplicate function
1079         call.
1080
1081         PR libstdc++/69608
1082         * include/backward/strstream (strstreambuf): Define move constructor
1083         and move assignment operator.
1084         (istrstream, ostrstream, strstream): Likewise.
1085         * testsuite/backward/strstream_move.cc: New.
1086
1087 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
1088
1089         PR libstdc++/84654
1090         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
1091         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
1092         * configure: Regenerate.
1093         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
1094         based on ENABLE_FLOAT128.
1095         * include/Makefile.in: Regenerate.
1096         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
1097         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
1098         _GLIBCXX_USE_FLOAT128.
1099
1100 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
1101
1102         * configure: Regenerated.
1103
1104 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
1105
1106         * configure: Regenerated.
1107
1108 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
1109             Jakub Jelinek  <jakub@redhat.com>
1110
1111         PR libstdc++/85442
1112         * src/c++11/Makefile.am: Don't generate debuginfo again for
1113         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
1114         * src/c++11/Makefile.in: Regenerate.
1115
1116 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
1117
1118         PR libstdc++/84442
1119         * testsuite/30_threads/thread/cons/terminate.cc
1120         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
1121
1122 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
1123
1124         PR jit/85384
1125         * configure: Regenerate.
1126
1127 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
1128
1129         * testsuite/experimental/filesystem/file_status/1.cc: Add
1130         -DUSE_FILESYSTEM_TS to dg-options.
1131         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
1132         Likewise.
1133         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
1134         * testsuite/experimental/filesystem/iterators/
1135         recursive_directory_iterator.cc: Likewise.
1136         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
1137         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
1138         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
1139         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
1140         * testsuite/experimental/filesystem/operations/create_directories.cc:
1141         Likewise.
1142         * testsuite/experimental/filesystem/operations/create_directory.cc:
1143         Likewise.
1144         * testsuite/experimental/filesystem/operations/create_symlink.cc:
1145         Likewise.
1146         * testsuite/experimental/filesystem/operations/current_path.cc:
1147         Likewise.
1148         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
1149         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
1150         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
1151         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
1152         * testsuite/experimental/filesystem/operations/last_write_time.cc:
1153         Likewise.
1154         * testsuite/experimental/filesystem/operations/permissions.cc:
1155         Likewise.
1156         * testsuite/experimental/filesystem/operations/read_symlink.cc:
1157         Likewise.
1158         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
1159         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
1160         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
1161         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
1162         Likewise.
1163         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
1164         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
1165         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
1166         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
1167         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
1168         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
1169         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
1170         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
1171         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
1172         * testsuite/experimental/filesystem/path/construct/default.cc:
1173         Likewise.
1174         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
1175         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
1176         * testsuite/experimental/filesystem/path/construct/string_view.cc:
1177         Likewise.
1178         * testsuite/experimental/filesystem/path/decompose/extension.cc:
1179         Likewise.
1180         * testsuite/experimental/filesystem/path/decompose/filename.cc:
1181         Likewise.
1182         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
1183         Likewise.
1184         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
1185         Likewise.
1186         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
1187         Likewise.
1188         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
1189         Likewise.
1190         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
1191         Likewise.
1192         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
1193         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
1194         Likewise.
1195         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
1196         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
1197         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
1198         Likewise.
1199         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
1200         Likewise.
1201         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
1202         Likewise.
1203         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
1204         Likewise.
1205         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
1206         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
1207         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
1208         Likewise.
1209         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
1210         * testsuite/experimental/filesystem/path/query/has_extension.cc:
1211         Likewise.
1212         * testsuite/experimental/filesystem/path/query/has_filename.cc:
1213         Likewise.
1214         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
1215         Likewise.
1216         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
1217         Likewise.
1218         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
1219         Likewise.
1220         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
1221         Likewise.
1222         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
1223         Likewise.
1224         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
1225         * testsuite/experimental/filesystem/path/query/is_relative.cc:
1226         Likewise.
1227
1228 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
1229
1230         * src/c++11/Makefile.am: Fix sed command.
1231         * src/c++11/Makefile.in: Regenerate.
1232
1233         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
1234         handle mangled names starting with double underscores on darwin.
1235         * src/c++11/Makefile.in: Regenerate.
1236
1237 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
1238
1239         * src/c++11/Makefile.am: Fix comment.
1240         * src/c++11/Makefile.in: Regenerate.
1241         * src/c++11/cxx11-ios_failure.cc: Fix comment.
1242         * src/c++98/ios_failure.cc: Likewise.
1243
1244         * src/c++11/ios.cc: Remove redundant macro definition.
1245
1246 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
1247
1248         * doc/xml/manual/abi.xml: Document header locations in recent
1249         releases.
1250         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
1251         * doc/xml/manual/spine.xml: Update copyright years.
1252         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
1253         undefined behaviour.
1254         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
1255         * doc/html/*: Regenerate.
1256
1257 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
1258
1259         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
1260         * doc/xml/manual/backwards_compatibility.xml: Likewise.
1261         * doc/xml/manual/containers.xml: Likewise.
1262         * doc/xml/manual/debug_mode.xml: Likewise.
1263         * doc/xml/manual/extensions.xml: Likewise.
1264         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
1265         * doc/xml/manual/using.xml: Likewise.
1266         * doc/xml/manual/utilities.xml: Likewise.
1267
1268         PR libstdc++/85222
1269         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
1270         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
1271         * src/c++11/Makefile.in: Regenerate.
1272         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
1273         New types.
1274         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
1275         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
1276         * src/c++98/ios_failure.cc (__construct_ios_failure)
1277         (__destroy_ios_failure, is_ios_failure_handler): New functions.
1278         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
1279         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
1280         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
1281         handler types, to always catch std::ios_base::failure.
1282         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
1283         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
1284         exceptions_failbit.cc: Likewise.
1285         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
1286         exceptions_failbit.cc: Likewise.
1287         * testsuite/27_io/basic_istream/extractors_other/char/
1288         exceptions_null.cc: Likewise.
1289         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
1290         exceptions_null.cc: Likewise.
1291         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
1292         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
1293         * testsuite/27_io/basic_ostream/inserters_other/char/
1294         exceptions_null.cc: Likewise.
1295         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
1296         exceptions_null.cc: Likewise.
1297         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
1298
1299 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
1300
1301         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
1302         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
1303
1304 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
1305
1306         PR libstdc++/85183
1307         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
1308         value categories.
1309         * testsuite/20_util/variant/85183.cc: New.
1310
1311 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
1312
1313         * include/std/variant (__get): Qualify calls to avoid ADL.
1314         (__select_index): Adjust whitespace.
1315         (variant): Add using-declaration to workaround Clang bug.
1316
1317 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
1318
1319         PR libstdc++/85040
1320         * include/bits/stl_function.h (greater::__not_overloaded)
1321         (less::__not_overloaded, greater_equal::__not_overloaded)
1322         (less_equal::__not_overloaded): Fix ambiguous specializations.
1323         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
1324         tests for type with overloaded operators.
1325
1326 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1327
1328         PR libstdc++/77691
1329         * testsuite/experimental/memory_resource/resource_adaptor.cc:
1330         xfail execution on 32-bit Solaris/x86.
1331
1332 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
1333
1334         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
1335         VERIFY instead of assert.
1336         * testsuite/20_util/hash/84998.cc: New test.
1337         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
1338         copy of test adjusted for Debug Mode.
1339         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
1340         test in Debug Mode.
1341
1342 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
1343
1344         PR libstdc++/84998
1345         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
1346         * include/std/bitset: Likewise.
1347         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
1348         declaration.
1349         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
1350         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
1351         * include/bits/stl_set.h (std::set<>): Likewise.
1352         * include/bits/unordered_map.h (std::unordered_map<>): Fix
1353         _Hash_merge_helper friend declaration.
1354         (std::unordered_multimap<>): Likewise.
1355         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
1356         (std::unordered_multiset<>): Likewise.
1357
1358 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
1359
1360         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
1361         trailing slash for domain level link.
1362         * doc/xml/faq.xml: Ditto.
1363         * doc/xml/manual/appendix_free.xml (software): Ditto.
1364         * doc/xml/manual/intro.xml: Ditto.
1365         * doc/xml/manual/spine.xml: Ditto.
1366         * doc/xml/spine.xml: Ditto.
1367
1368 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
1369
1370         * doc/xml/manual/documentation_hacking.xml: Adjust link to
1371         docbook.org.
1372
1373 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
1374
1375         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
1376         to compile as C++98.
1377
1378 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
1379
1380         PR libstdc++/78420
1381         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
1382         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
1383         to ensure total order for pointers.
1384         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
1385         Add operator() overloads for pointer arguments and make generic
1386         overloads dispatch to new _S_cmp functions when comparisons would
1387         use built-in operators for pointers.
1388         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
1389
1390 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
1391
1392         PR libstdc++/84773
1393         PR libstdc++/83662
1394         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
1395         * configure: Regenerate.
1396         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
1397         (aligned_alloc): Add using-declaration.
1398         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
1399
1400 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
1401
1402         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
1403         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
1404         registration.
1405
1406 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
1407
1408         PR libstdc++/84769
1409         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
1410         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
1411
1412         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
1413         src/filesystem/std-ops.cc (create_dir): Likewise.
1414
1415 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
1416
1417         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
1418         (StdListIteratorPrinter): Inherit from latter.
1419         (StdFwdListIteratorPrinter): New, inherit from latter.
1420         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
1421         when iterator has no associated container.
1422         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
1423         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
1424         registrations.
1425         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
1426         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
1427
1428 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
1429
1430         PR libstdc++/84601
1431         * include/std/optional (_Optional_payload): Split into multiple
1432         specializations that can handle different cases of trivial or
1433         non-trivial assignment operators.
1434         * testsuite/20_util/optional/84601.cc: New.
1435         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1436
1437 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
1438
1439         PR libstdc++/84671
1440         * include/bits/parse_numbers.h (_Number_help): Add partial
1441         specialization to handle digit separators. Adjust partial
1442         specialization for recursion temrination to require _Pow == 1ULL.
1443         * testsuite/20_util/duration/literals/84671.cc: New
1444
1445 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
1446
1447         Implement the missing bits of LWG 2769
1448         * include/std/any (any_cast(const any&)): Add static_assert.
1449         (any_cast(any&)): Likewise.
1450         (any_cast(any&&)): Likewise, and remove the handling
1451         for copyable-but-not-movable type.
1452         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
1453         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
1454         add new tests.
1455
1456 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
1457
1458         PR libstdc++/84532
1459         * include/std/thread (thread::__make_invoker): Construct tuple
1460         directly instead of using make_tuple.
1461         * testsuite/30_threads/async/84532.cc: New.
1462         * testsuite/30_threads/thread/84532.cc: New.
1463
1464 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
1465
1466         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
1467         (template<> __aligned_buffer): Define as __aligned_membuf alias.
1468
1469 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
1470
1471         PR target/84148
1472         * configure: Regenerate.
1473
1474 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
1475
1476         PR libstdc++/81797
1477         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
1478         * configure: Regenerate.
1479         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
1480         defined.
1481         * include/Makefile.in: Regenerate.
1482
1483 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
1484
1485         PR libstdc++/83833
1486         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1487         Add -ffloat-store to options for m68k and ia32.
1488
1489         * doc/xml/faq.xml: Update copyright years.
1490         * doc/html/*: Regenerate.
1491
1492         PR libstdc++/83658
1493         * include/std/any (any::__do_emplace): Only set _M_manager after
1494         constructing the contained object.
1495         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
1496         * testsuite/20_util/any/modifiers/83658.cc: New test.
1497
1498 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
1499
1500         PR libstdc++/81076
1501         * include/c_global/cstddef (__byte_operand): Define primary template.
1502         * testsuite/18_support/byte/81076.cc: New test.
1503
1504 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
1505
1506         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
1507         dg-options and dg-add-options order.
1508         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
1509         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
1510         Likewise.
1511         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
1512         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
1513         Likewise.
1514         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
1515         Likewise.
1516         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
1517         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
1518         Likewise.
1519         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
1520         Likewise.
1521         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
1522         Likewise.
1523         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
1524         Likewise.
1525         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
1526         Likewise.
1527         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
1528         Likewise.
1529         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
1530         Likewise.
1531         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
1532         Likewise.
1533         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
1534         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
1535         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
1536         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
1537         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
1538         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
1539         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
1540         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
1541         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
1542         Likewise.
1543         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
1544         Likewise.
1545         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
1546         Likewise.
1547         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
1548         Likewise.
1549
1550 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
1551
1552         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
1553         include linux/types.h when checking linux/random.h header.
1554         * config.h.in: Regenerate.
1555         * configure: Ditto.
1556         * src/c++11/random.cc: Conditionally include linux/types.h.
1557
1558 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1559
1560         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
1561
1562 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
1563
1564         PR libstdc++/83834
1565         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
1566         pattern with exact match for std::cerr.
1567
1568 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1569
1570         PR libstdc++/83833
1571         * include/bits/random.h (chi_squared_distribution::param): Update
1572         gamma distribution parameter.
1573         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
1574         test.
1575
1576         PR libstdc++/83830
1577         * include/std/type_traits (has_unique_object_representations_v): Add
1578         variable template.
1579         * testsuite/20_util/has_unique_object_representations/value.cc: Check
1580         variable template.
1581
1582 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
1583
1584         Make optional conditionally
1585         trivially_{copy,move}_{constructible,assignable}
1586         * include/std/optional (_Optional_payload): Fix the comment in
1587         the class head and turn into a primary and one specialization.
1588         (_Optional_payload::_M_engaged): Strike the NSDMI.
1589         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
1590         New.
1591         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
1592         Likewise.
1593         (_Optional_payload<_Tp, false>::_M_get): Likewise.
1594         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
1595         (_Optional_base_impl): Likewise.
1596         (_Optional_base): Turn into a primary and three specializations.
1597         (optional(nullopt)): Change the base init.
1598         * testsuite/20_util/optional/assignment/8.cc: New.
1599         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
1600         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1601
1602 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1603
1604         PR libstdc++/80276
1605         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
1606         (get_template_arg_list): New.
1607         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
1608         instead.
1609         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
1610         of strings and regular expressions.
1611         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
1612         (FilteringTypePrinter): Add docstring. Match using startswith. Use
1613         strip_inline_namespaces instead of strip_versioned_namespace.
1614         (add_one_type_printer): Prepend namespace to match argument.
1615         (register_type_printers): Add type printers for char16_t and char32_t
1616         string types and for types using cxx11 ABI. Update calls to
1617         add_one_template_type_printer to provide default argument dicts.
1618         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
1619         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
1620         basic_string<unsigned char> and basic_string<signed char>.
1621         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
1622         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
1623
1624 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
1625
1626         PR libstdc++/81092
1627         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1628
1629 2018-01-13  Tim Shen  <timshen@google.com>
1630
1631         PR libstdc++/83601
1632         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
1633         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
1634         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
1635
1636 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1637
1638         PR libstdc++/64054
1639         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
1640         Remove dg-xfail-run-if.
1641
1642 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
1643
1644         * include/bits/forward_list.h
1645         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
1646         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
1647         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
1648         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
1649         (_Fwd_list_impl()): Add noexcept qualification.
1650         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
1651         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
1652         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
1653         (_Fwd_list_base()): Default.
1654         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
1655         (_Fwd_list_base(_Fwd_list_base&&)): Default.
1656         (forward_list<>()): Default.
1657         (forward_list<>(forward_list&&)): Default.
1658         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
1659         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
1660         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
1661         * include/bits/forward_list.tcc
1662         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
1663         _M_impl._M_head move assignment.
1664         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
1665         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
1666
1667 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
1668
1669         PR libstdc++/80276
1670         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
1671         (UniquePointerPrinter): Print correct template argument, not type of
1672         the pointer.
1673         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
1674         a type.
1675         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
1676         array type.
1677         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
1678         weak_ptr of array types.
1679
1680 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
1681
1682         PR libstdc++/83709
1683         * include/bits/hashtable_policy.h
1684         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
1685         __first != __last.
1686         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
1687         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
1688         Add false_type parameter.
1689         (_Insert_base::insert): Adapt.
1690         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
1691         Adapt.
1692         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
1693          Add __n_elt parameter, defaulted to 1.
1694         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
1695         policy _M_need_rehash.
1696         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
1697         produce only 1 rehash if necessary.
1698         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
1699         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
1700
1701 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
1702             Jonathan Wakely  <jwakely@redhat.com>
1703
1704         PR libstdc++/59253 (partial)
1705         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
1706         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
1707         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
1708         children.
1709         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
1710         of unique_ptr printer.
1711         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
1712         output of shared_ptr printer.
1713
1714 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
1715
1716         PR libstdc++/83626
1717         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
1718         unnecessary symlink_status call.
1719         (remove_all(const path&, error_code&)): Use filesystem::remove.
1720         * src/filesystem/std-ops.cc: Likewise.
1721
1722         PR libstdc++/83279
1723         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
1724         sendfile.
1725
1726         PR libstdc++/83626
1727         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
1728         report an error for ENOENT.
1729         (remove_all(const path&)): Fix type of result variable.
1730         (remove_all(const path&, error_code&)): Use non-throwing increment
1731         for directory iterator. Call POSIX remove directly to avoid redundant
1732         calls to symlink_status. Do not report errors for ENOENT.
1733         * src/filesystem/std-ops.cc: Likewise.
1734         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
1735         overload.
1736         * testsuite/experimental/filesystem/operations/remove_all.cc:
1737         Likewise.
1738
1739 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
1740
1741         PR libstdc++/83626
1742         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
1743         redundant call to ec.clear().
1744         (remove_all(const path&, error_code&))): Do not return an error for
1745         non-existent paths.
1746         * src/filesystem/std-ops.cc: Likewise.
1747         * testsuite/27_io/filesystem/operations/remove.cc: New test.
1748         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
1749         results for non-existent paths.
1750         * testsuite/experimental/filesystem/operations/remove.cc: New test.
1751         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
1752         expected results for non-existent paths.
1753
1754         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
1755         check status_known once.
1756         * include/experimental/bits/fs_ops.h: Likewise.
1757
1758         PR libstdc++/83607
1759         * include/std/functional (__is_byte_like): New trait.
1760         (__is_std_equal_to): Remove.
1761         (__boyer_moore_base_t): Use __is_byte_like instead of
1762         __is_std_equal_to.
1763         * include/experimental/functional (__is_std_equal_to): Remove.
1764         (__boyer_moore_base_t): Use __is_byte_like instead of
1765         __is_std_equal_to.
1766         * testsuite/20_util/function_objects/83607.cc: New test.
1767
1768 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
1769
1770         Protect optional's deduction guide with the feature macro
1771         * include/std/optional: Use the feature macro.
1772
1773 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1774
1775         Update copyright years.
1776 \f
1777 Copyright (C) 2018 Free Software Foundation, Inc.
1778
1779 Copying and distribution of this file, with or without modification,
1780 are permitted in any medium without royalty provided the copyright
1781 notice and this notice are preserved.