libstdc++-v3/ChangeLog

   1 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         P0935R0 Eradicating unnecessarily explicit default constructors
   4         * include/bits/random.h (uniform_real_distribution::param_type)
   5         (normal_distribution::param_type, lognormal_distribution::param_type)
   6         (gamma_distribution::param_type, chi_squared_distribution::param_type)
   7         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
   8         (student_t_distribution::param_type)
   9         (bernoulli_distribution::param_type)
  10         (binomial_distribution::param_type)
  11         (geometric_distribution::param_type)
  12         (negative_binomial_distribution::param_type)
  13         (poisson_distribution::param_type)
  14         (exponential_distribution::param_type)
  15         (weibull_distribution::param_type)
  16         (extreme_value_distribution::param_type): Add non-explicit default
  17         constructors. Remove default argument for first parameter of explicit
  18         constructors.
  19         * include/bits/uniform_int_dist.h
  20         (uniform_int_distribution::param_type): Likewise.
  21         * include/ext/random
  22         (beta_distribution::param_type, rice_distribution::param_type)
  23         (nakagami_distribution::param_type, pareto_distribution::param_type)
  24         (k_distribution::param_type, arcsine_distribution::param_type)
  25         (hoyt_distribution::param_type, triangular_distribution::param_type)
  26         (von_mises_distribution::param_type)
  27         (hypergeometric_distribution::param_type)
  28         (logistic_distribution::param_type)
  29         (uniform_inside_sphere_distribution::param_type): Likewise.
  30         (uniform_on_sphere_distribution::param_type): Make default constructor
  31         non-explicit.
  32         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
  33         Test param_type for non-explicit default constructor.
  34         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
  35         Likewise.
  36         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
  37         Likewise.
  38         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
  39         Likewise.
  40         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
  41         Likewise.
  42         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
  43         Likewise.
  44         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
  45         Likewise.
  46         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
  47         Likewise.
  48         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
  49         Likewise.
  50         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
  51         Likewise.
  52         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
  53         Likewise.
  54         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
  55         Likewise.
  56         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
  57         Likewise.
  58         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
  59         Likewise.
  60         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
  61         Likewise.
  62         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
  63         Likewise.
  64         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
  65         Likewise.
  66         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
  67         Likewise.
  68         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
  69         Likewise.
  70         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
  71         Likewise.
  72         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
  73         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
  74         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
  75         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
  76         Likewise.
  77         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
  78         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
  79         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
  80         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
  81         Likewise.
  82         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
  83         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
  84         * testsuite/ext/random/triangular_distribution/cons/default.cc:
  85         Likewise.
  86         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
  87         Likewise.
  88         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
  89         Likewise.
  90         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
  91         Likewise.
  92
  93 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
  94             Jonathan Wakely  <jwakely@redhat.com>
  95
  96         PR libstdc++/83982
  97         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
  98         Default-construct new elements before moving existing ones.
  99         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
 100         New.
 101
 102 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
 103
 104         PR libstdc++/86127
 105         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
 106         unused typedef.
 107         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
 108         Use node allocator to create and destroy elements.
 109         (forward_list::_Tp_alloc_type): Remove unused typedef.
 110         (forward_list::_Alloc_traits): Use allocator_traits instead of
 111         __gnu_cxx::__alloc_traits.
 112
 113 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
 114
 115         * include/debug/helper_functions.h
 116         (__gnu_debug::_Safe_iterator<>): Add declaration.
 117         (__can_advance(_Ite, _Size)): New.
 118         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
 119         * include/debug/functions.h
 120         (__gnu_debug::_Safe_iterator<>): Remove declaration.
 121         * include/debug/stl_iterator.h
 122         (__can_advance(const _Safe_iterator<>&)): New definition.
 123         * include/debug/stl_iterator.h
 124         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
 125         (__can_advance(const std::move_iterator<>&, _Size)): New.
 126         * include/debug/macros.h (__glibcxx_check_can_increment): New.
 127         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
 128         * include/bits/stl_algobase.h (fill_n): Use latter.
 129         * testsuite/25_algorithms/fill_n/2.cc: New.
 130         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
 131         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
 132         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
 133         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
 134
 135         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
 136         (__glibcxx_requires_can_decrement_range): New.
 137
 138 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
 139
 140         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
 141         (__glibcxx_check_can_decrement_range): New.
 142         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
 143         __glibcxx_requires_can_increment_range.
 144         (std::move(_II, _II, _OI)): Likewise.
 145         (std::copy_backward(_BI, _BI, _BI2)): Use
 146         __glibcxx_requires_can_decrement_range.
 147         (std::move_backward(_BI, _BI, _BI2)): Likewise.
 148         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
 149         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
 150         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
 151         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
 152         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
 153         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
 154
 155 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
 156
 157         P0935R0 Eradicating unnecessarily explicit default constructors
 158         * include/bits/random.h (linear_congruential_engine)
 159         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
 160         (uniform_real_distribution, normal_distribution)
 161         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
 162         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
 163         (bernoulli_distribution, binomial_distribution,geometric_distribution)
 164         (negative_binomial_distribution, exponential_distribution)
 165         (weibull_distribution, extreme_value_distribution): Add non-explicit
 166         default constructors. Remove default argument for first parameter of
 167         explicit constructors.
 168         (piecewise_constant_distribution, piecewise_linear_distribution):
 169         Make default constructor non-explicit.
 170         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
 171         non-explicit default constructors. Remove default argument for first
 172         parameter of explicit constructor.
 173         * include/ext/random
 174         (simd_fast_mersenne_twister_engine, beta_distribution)
 175         (rice_distribution, nakagami_distribution, pareto_distribution)
 176         (k_distribution, arcsine_distribution, hoyt_distribution)
 177         (triangular_distribution, von_mises_distribution)
 178         (hypergeometric_distribution, logistic_distribution)
 179         (uniform_inside_sphere_distribution): Likewise.
 180         (uniform_on_sphere_distribution): Make default constructor
 181         non-explicit.
 182         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
 183         Test for non-explicit default constructor. Fix references to standard.
 184         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
 185         Likewise.
 186         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
 187         Likewise.
 188         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
 189         Likewise.
 190         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
 191         Likewise.
 192         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
 193         Likewise.
 194         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
 195         Likewise.
 196         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
 197         Likewise.
 198         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
 199         Likewise.
 200         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
 201         Likewise.
 202         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
 203         Likewise.
 204         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
 205         Likewise.
 206         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
 207         Likewise.
 208         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
 209         Likewise.
 210         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
 211         Likewise.
 212         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
 213         Likewise.
 214         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
 215         Likewise.
 216         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
 217         Likewise.
 218         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
 219         Likewise.
 220         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
 221         Likewise.
 222         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
 223         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
 224         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
 225         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
 226         Likewise.
 227         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
 228         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
 229         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
 230         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
 231         Likewise.
 232         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
 233         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
 234         * testsuite/ext/random/triangular_distribution/cons/default.cc:
 235         Likewise.
 236         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
 237         Likewise.
 238         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
 239         Likewise.
 240         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
 241         Likewise.
 242         * testsuite/util/testsuite_common_types.h
 243         (implicitly_default_constructible): New helper.
 244
 245 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
 246
 247         * include/bits/ios_base.h (ios::Init::Init(const Init&))
 248         (ios::Init::operator=): Define as defaulted.
 249         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
 250         Likewise.
 251         * include/bits/stream_iterator.h (istream_iterator::operator=)
 252         (ostream_iterator::operator=): Likewise.
 253         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
 254         Likewise.
 255         * include/std/bitset (bitset::reference::reference(const reference&)):
 256         Likewise.
 257         * include/std/complex (complex<float>::complex(const complex&))
 258         (complex<double>::complex(const complex&))
 259         (complex<long double>::complex(const complex&)): Likewise.
 260
 261 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
 262
 263         * include/bits/regex.h (sub_match): Add noexcept to default
 264         constructor and length observer.
 265         (match_results): Add noexcept to default constructor and observers
 266         with no preconditions. Define destructor as defaulted.
 267         (operator==, operator!=, swap): Add noexcept.
 268         (regex_iterator): Add default member initializers and define default
 269         constructor and destructor as defaulted. Add noexcept to equality
 270         and dereference operators.
 271
 272 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
 273
 274         * src/c++11/debug.cc
 275         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
 276         (_Safe_iterator_base::_M_detach_single()): Likewise.
 277         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
 278         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
 279
 280 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
 281
 282         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
 283         move of const value.
 284
 285 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
 286
 287         PR c++/86068
 288         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
 289         rather than __cpp_transactional_memory >= 201505L.
 290
 291 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
 292
 293         PR libstdc++/86008
 294         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
 295         Define new partial specialization.
 296         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
 297         new overload.
 298         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
 299         value not reference for iteration.
 300         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
 301         comment.
 302         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
 303         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
 304         comment.
 305
 306 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
 307
 308         * include/std/type_traits: Fix comment typos.
 309
 310         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
 311         mingw* targets.
 312         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
 313         * testsuite/experimental/filesystem/operations/read_symlink.cc:
 314         Likewise.
 315
 316 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
 317
 318         * include/bits/stl_tempbuf.h
 319         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
 320         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
 321         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
 322         * include/bits/stl_algo.h (__stable_partition): Adapt.
 323         (__inplace_merge): Adapt.
 324         (__stable_sort): Adapt.
 325
 326 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
 327
 328         PR libstdc++/85930
 329         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
 330         unconditionally. Remove redundant declaration.
 331         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
 332         alignment-specifier.
 333
 334         * include/bits/postypes.h (fpos): Define special members as defaulted.
 335
 336         PR libstdc++/85930
 337         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
 338         the static variable correctly.
 339
 340 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
 341
 342         PR libstdc++/78870 support std::filesystem on Windows
 343         * config.h.in: Regenerate.
 344         * configure: Regenerate.
 345         * configure.ac: Check for link, readlink and symlink.
 346         * include/bits/fs_path.h (path::operator/=(const path&)): Move
 347         definition out of class body.
 348         (path::is_absolute(), path::_M_append(path)): Likewise.
 349         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
 350         (operator>>(basic_istream, path&)): Likewise.
 351         (u8path): Reorder definitions and fix Windows implementation.
 352         (path::is_absolute()): Define inline and fix for Windows.
 353         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
 354         Define POSIX version inline.
 355         (path::_M_append(path)): Define inline.
 356         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
 357         definition out of class body.
 358         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
 359         escape characters.
 360         (operator>>(basic_istream, path&)): Likewise.
 361         (path::is_absolute()): Define inline and fix for Windows.
 362         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
 363         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
 364         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
 365         Define as adaptors for Windows functions/types or as
 366         using-declarations for POSIX functions/types.
 367         (_Dir_base, get_file_type): Qualify names to use declarations from
 368         __gnu_posix namespace.
 369         (_Dir_base::is_dor_or_dotdot): New helper functions.
 370         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
 371         names to use declarations from __gnu_posix namespace.
 372         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
 373         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
 374         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
 375         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
 376         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
 377         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
 378         Define as adaptors for Windows functions/types or as
 379         using-declarations for POSIX functions/types.
 380         (stat_type, do_copy_file): Qualify names to use declarations from
 381         __gnu_posix namespace.
 382         (do_space): Declare new function.
 383         (make_file_type): Only use S_ISLNK if defined.
 384         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
 385         path::value_type not char.
 386         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
 387         names to use declarations from __gnu_posix namespace.
 388         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
 389         add implementation for Windows.
 390         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
 391         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
 392         [!_PC_PATH_MAX]: Don't use pathconf.
 393         [PATH_MAX]: Use if defined.
 394         (filesystem::current_path(const path&, error_code&))
 395         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
 396         (filesystem::last_write_time, filesystem::permissions): Use names
 397         from __gnu_posix.
 398         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
 399         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
 400         implementation for Windows.
 401         (filesystem::rename, filesystem::resize_file): Use names from
 402         __gnu_posix.
 403         (filesystem::space): Use do_space.
 404         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
 405         (filesystem::status, filesystem::symlink_status): Use names from
 406         __gnu_posix.
 407         (filesystem::temp_directory_path): Add implementation for Windows.
 408         * src/filesystem/path.cc (dot): Define constant.
 409         (path::replace_extension): Use dot.
 410         (path::_M_find_extension): Likewise. Use path::string_type not
 411         std::string.
 412         (path::_M_split_cmpts): Use dot.
 413         (filesystem_error::_M_get_what): Use u8string() not native().
 414         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
 415         Qualify names to use declarations from __gnu_posix namespace.
 416         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
 417         correct error_code.
 418         (filesystem::absolute(const path&, error_code&)): Add implementation
 419         for Windows.
 420         (char_ptr, filesystem::canonical): Use path::value_type not char.
 421         (do_copy_file): Use names from __gnu_posix.
 422         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
 423         sendfile.
 424         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
 425         names to use declarations from __gnu_posix namespace.
 426         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
 427         add implementation for Windows.
 428         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
 429         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
 430         [!_PC_PATH_MAX]: Don't use pathconf.
 431         [PATH_MAX]: Use if defined.
 432         (filesystem::current_path(const path&, error_code&))
 433         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
 434         (filesystem::last_write_time, filesystem::permissions): Use names
 435         from __gnu_posix.
 436         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
 437         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
 438         implementation for Windows.
 439         (filesystem::rename, filesystem::resize_file): Use names from
 440         __gnu_posix.
 441         (do_space): Define.
 442         (filesystem::space): Use do_space.
 443         (filesystem::status, filesystem::symlink_status): Use names from
 444         __gnu_posix.
 445         (filesystem::temp_directory_path): Add implementation for Windows.
 446         * src/filesystem/std-path.cc
 447         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
 448         Define for Windows.
 449         (dot): Define constant.
 450         (path::replace_extension, is_dot): Use dot.
 451         (path::lexically_normal): Check _M_type instead of calling
 452         non-existent function.
 453         (path::_M_find_extension): Use dot. Use path::string_type not
 454         std::string.
 455         (path::_M_split_cmpts): Use dot.
 456         (filesystem_error::_M_get_what): Use u8string() not native().
 457         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
 458         use symlinks.
 459         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
 460         Likewise.
 461         * testsuite/27_io/filesystem/operations/absolute.cc: Use
 462         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
 463         * testsuite/27_io/filesystem/operations/canonical.cc: Use
 464         path::string() to get narrow string, not path::native().
 465         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
 466         with std::filesystem::path not std::basic_string.
 467         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
 468         * testsuite/27_io/filesystem/operations/exists.cc: Use
 469         __gnu_test::root_path() instead of "/".
 470         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
 471         fstreams with std::filesystem::path not std::basic_string.
 472         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
 473         path::string() to get narrow string.
 474         * testsuite/27_io/filesystem/operations/space.cc: Check results for
 475         errors, expect sensible values otherwise.
 476         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
 477         helpers for adjusting the environment on Windows.
 478         * testsuite/27_io/filesystem/path/append/path.cc: Test
 479         Windows-specific behaviour.
 480         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
 481         of path::string_type objects.
 482         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
 483         string to wide string on Windows.
 484         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
 485         for backslash as root-directory.
 486         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
 487         path::string() to get narrow string.
 488         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
 489         paths.
 490         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
 491         not std::string.
 492         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
 493         different definintion of absolute paths on Windows.
 494         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
 495         Do not use symlinks.
 496         * testsuite/experimental/filesystem/operations/absolute.cc: Test
 497         Windows behaviour.
 498         * testsuite/experimental/filesystem/operations/copy.cc: Construct
 499         fstreams with NTCTS not std::basic_string.
 500         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
 501         * testsuite/experimental/filesystem/operations/exists.cc: Use
 502         __gnu_test::root_path() instead of "/".
 503         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
 504         fstreams with NTCTS not std::basic_string.
 505         * testsuite/experimental/filesystem/operations/last_write_time.cc:
 506         Use path::string() to get narrow string.
 507         * testsuite/experimental/filesystem/operations/space.cc: Use
 508         __gnu_test::root_path() instead of "/".
 509         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
 510         Add helpers for adjusting the environment on Windows.
 511         * testsuite/experimental/filesystem/path/append/path.cc: Use
 512         path::string() to get narrow strings for comparisons.
 513         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
 514         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
 515         Likewise.
 516         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
 517         * testsuite/experimental/filesystem/path/native/string.cc: Use
 518         string_type not std::string.
 519         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
 520         Adjust for different definintion of absolute paths on Windows.
 521         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
 522         function.
 523         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
 524         std::basic_string.
 525
 526 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
 527
 528         PR libstdc++/85951
 529         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
 530         uint_least16_t and uint_least32_t.
 531         (__make_unsigned<wchar_t>): Define unconditionally.
 532         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
 533         typedefs.
 534         (__make_unsigned_selector_base): New type to provide helper templates.
 535         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
 536         __make_unsigned_selector_base helpers.
 537         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
 538         (__make_signed_selector<_Tp, true, false>): Remove intermediate
 539         typedefs.
 540         (__make_signed<wchar_t>, __make_signed<char16_t>)
 541         (__make_signed<char32_t>)): Define unconditionally.
 542         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
 543         wchar_t, char16_t and char32_t are transformed correctly.
 544         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
 545         dg-error lineno.
 546         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
 547         wchar_t, char16_t and char32_t are transformed correctly.
 548         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
 549         dg-error lineno.
 550
 551 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
 552
 553         * include/std/variant (__erased_dtor): Qualify call to __get.
 554
 555 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
 556
 557         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
 558         (_Rb_tree(const allocator_type&)): Use latter.
 559         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
 560         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
 561         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
 562         * include/bits/stl_multimap.h
 563         (multimap(const allocator_type&)): Likewise.
 564         (multimap(initializer_list<value_type>, const allocator_type&)):
 565         Likewise.
 566         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
 567         Likewise.
 568         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
 569         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
 570         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
 571         * include/bits/stl_multiset.h
 572         (multiset(const allocator_type&)): Likewise.
 573         (multiset(initializer_list<value_type>, const allocator_type&)):
 574         Likewise.
 575         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
 576         Likewise.
 577
 578 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
 579
 580         PR libstdc++/85768
 581         * src/c++11/debug.cc: Remove backtrace usage.
 582
 583 2018-05-24  Maya Rashish  <coypu@sdf.org>
 584
 585         PR target/85904
 586         * crossconfig.m4: Test for aligned_alloc on netbsd.
 587         * configure: Regenerate.
 588
 589 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
 590
 591         PR libstdc++/69769
 592         PR libstdc++/85886
 593         * include/bits/atomic_base.h (__atomic_base::value_type)
 594         (__atomic_base::difference_type): Add new typedefs.
 595         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
 596         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
 597         (atomic<T*>::operator++, atomic<T*>::operator--)
 598         (atomic<T*>::operator+=, atomic<T*>::operator-=)
 599         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
 600         to enforce C++17 requirement on pointer arithmetic.
 601         (__atomic_val_t, __atomic_diff_t): New alias templates.
 602         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
 603         (atomic_compare_exchange_weak_explicit)
 604         (atomic_compare_exchange_strong_explicit, atomic_store)
 605         (atomic_exchange, atomic_compare_exchange_weak)
 606         (atomic_compare_exchange_strong): Use __atomic_val_t to make
 607         scalar parameters be non-deduced contexts.
 608         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
 609         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
 610         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
 611         parameters.
 612         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
 613         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
 614         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
 615         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
 616         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
 617         address types.
 618         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
 619         * testsuite/29_atomics/atomic/69769.cc: New test.
 620         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
 621         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
 622         Disable test for C++17 and later.
 623         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
 624         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
 625         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
 626         test.
 627
 628 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
 629
 630         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
 631         template to alias template.
 632         (path::__value_type_is_char): Use remove_const_t.
 633         (path:_S_string_from_iter): New helper function.
 634         (path::_S_convert(InputIter, __null_terminated))
 635         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
 636         Use _S_string_from_iter.
 637         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
 638         rep for COW strings.
 639         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
 640         Change from class template to alias template.
 641         (path::__value_type_is_char): Use remove_const.
 642         (path:_S_string_from_iter): New helper function.
 643         (path::_S_convert(InputIter, __null_terminated))
 644         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
 645         Use _S_string_from_iter.
 646         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
 647         wide strings.
 648         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
 649         string equality, not path equivalence.
 650         * testsuite/27_io/filesystem/path/construct/format.cc: Check
 651         construction from std::string and std::wstring and input iterators.
 652         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
 653         construction from iterators.
 654         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
 655         exact string equality, not path equivalence.
 656         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
 657         construction from iterators.
 658
 659         * include/bits/fs_path.h (path::_M_type): Change default member
 660         initializer to _Filename.
 661         (path::begin): Create past-the-end iterator for empty path.
 662         * src/filesystem/std-path.cc (path::remove_filename()): Remove
 663         debugging check.
 664         (path::has_relative_path()): Return false for empty filenames.
 665         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
 666         Fix offset of empty final component.
 667         * testsuite/27_io/filesystem/path/itr/components.cc: New.
 668         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
 669
 670 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 671
 672         Add support for opening file streams from wide character strings.
 673         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
 674         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 675         Define new overload.
 676         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
 677         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 678         Declare new overload.
 679         * configure.ac: Check for _wfopen.
 680         * crossconfig.m4: Likewise.
 681         * configure: Regenerate.
 682         * config.h.in: Regenerate.
 683         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
 684         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 685         Define new overload.
 686         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
 687         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 688         Declare new overload.
 689         [_GLIBCXX_HAVE__WFOPEN]
 690         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 691         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
 692         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 693         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
 694         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 695         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
 696         new overloads.
 697         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
 698         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
 699         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
 700         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
 701         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
 702         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
 703         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
 704
 705 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
 706
 707         PR libstdc++/85845
 708         * include/bits/stl_tree.h
 709         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
 710         qualification.
 711
 712 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 713
 714         * src/filesystem/std-ops.cc (absolute): Report an error for empty
 715         paths.
 716         (weakly_canonical(const path&)): Do not call canonical on empty path.
 717         (weakly_canonical(const path&, error_code&)): Likewise.
 718         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
 719
 720         PR libstdc++/85818
 721         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
 722         dg-require-filesystem-ts.
 723
 724         PR libstdc++/85843
 725         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
 726         initialize base class to avoid warnings.
 727
 728 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
 729
 730         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
 731         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
 732         little_endian element in bitmask.
 733         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
 734         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
 735
 736 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
 737
 738         * include/bits/stl_tree.h
 739         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
 740         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
 741         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
 742         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
 743         * include/debug/map.h
 744         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
 745         * include/debug/multimap.h
 746         (multimap(multimap&&, const_allocator_type&)): Likewise.
 747         * include/debug/set.h
 748         (set(set&&, const_allocator_type&)): Likewise.
 749         * include/debug/multiset.h
 750         (multiset(multiset&&, const_allocator_type&)): Likewise.
 751         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
 752         Add checks.
 753         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
 754         Add checks.
 755         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
 756         Add checks.
 757         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
 758         Add checks.
 759         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
 760         Add checks.
 761         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
 762         Add checks.
 763         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
 764         Add checks.
 765         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
 766         Add checks.
 767
 768 2018-05-18  Jason Merrill  <jason@redhat.com>
 769
 770         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
 771         for conversion to const_iterator.  Add defaulted copy ops.
 772         * libsupc++/new (bad_alloc): Add defaulted copy ops.
 773         * libsupc++/exception.h (exception): Add defaulted copy ops.
 774         * include/std/system_error (system_error): Add defaulted copy ops.
 775         * include/std/stdexcept (domain_error, invalid_argument)
 776         (length_error, out_of_range, range_error, overflow_error)
 777         (underflow_error): Add defaulted copy ops.
 778         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
 779         copy assignment.
 780         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
 781         * include/ext/throw_allocator.h (condition_base): Add defaulted
 782         default and copy ctor and copy assignment.
 783
 784 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
 785
 786         PR libstdc++/85098
 787         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
 788         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
 789         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
 790         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
 791         definitions.
 792         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
 793         whitespace.
 794         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
 795         braces around body of do-while.
 796         * testsuite/28_regex/basic_regex/85098.cc: New
 797
 798 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
 799
 800         PR libstdc++/85818
 801         * src/filesystem/path.cc (path::preferred_separator): Add used
 802         attribute.
 803         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
 804
 805         PR libstdc++/85812
 806         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
 807         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
 808         Refactor to separate non-throwing and throwing implementations.
 809         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
 810         if constructing the object throws.
 811
 812 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
 813
 814         PR libstdc++/85749
 815         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
 816         (linear_congruential_engine, mersenne_twister_engine)
 817         (subtract_with_carry_engine, discard_block_engine)
 818         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
 819         constrain function templates taking seed sequences.
 820         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
 821         (mersenne_twister_engine::seed(_Sseq&))
 822         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
 823         match declarations.
 824         * include/ext/random (simd_fast_mersenne_twister_engine): Use
 825         __is_seed_seq to constrain function templates taking seed sequences.
 826         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
 827         Change return type to match declaration.
 828         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
 829         New.
 830         * testsuite/26_numerics/random/independent_bits_engine/cons/
 831         seed_seq2.cc: New.
 832         * testsuite/26_numerics/random/linear_congruential_engine/cons/
 833         seed_seq2.cc: New.
 834         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
 835         seed_seq2.cc: New.
 836         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
 837         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
 838         New.
 839         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
 840         seed_seq2.cc: New.
 841         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
 842         seed_seq2.cc: New.
 843
 844         PR libstdc++/83891
 845         * include/bits/fs_path.h (path::is_absolute()): Use same definition
 846         for all operating systems.
 847         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
 848         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
 849         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
 850         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
 851
 852         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
 853         unused <vector> header.
 854         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
 855         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
 856         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
 857         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
 858         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
 859         Likewise.
 860         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
 861         Likewise.
 862         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
 863         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
 864         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
 865         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
 866         * testsuite/experimental/filesystem/path/decompose/extension.cc:
 867         Likewise.
 868         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
 869         * testsuite/experimental/filesystem/path/query/has_extension.cc:
 870         Likewise.
 871         * testsuite/experimental/filesystem/path/query/has_filename.cc:
 872         Likewise.
 873         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
 874         Likewise.
 875         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
 876         Likewise.
 877         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
 878         Likewise.
 879         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
 880         Likewise.
 881         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
 882         Likewise.
 883         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
 884         * testsuite/experimental/filesystem/path/query/is_relative.cc:
 885         Likewise.
 886
 887         PR libstdc++/84159
 888         * include/bits/fs_path.h (path::operator/=, path::append): Construct
 889         temporary path before calling _M_append.
 890         (path::_M_append): Change parameter to path and implement C++17
 891         semantics.
 892         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
 893         and more examples from the standard.
 894         * testsuite/27_io/filesystem/path/append/source.cc: New.
 895         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
 896         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
 897
 898         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
 899         __invoke to prevent ADL.
 900
 901 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
 902
 903         PR libstdc++/81256
 904         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
 905         exceptions from _M_terminate_output().
 906         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
 907         exceptions from close().
 908         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
 909
 910         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
 911         (__valarray_get_storage): Call operator new directly. Remove ignored
 912         top-level restrict qualifier and add malloc attribute instead.
 913         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
 914
 915         PR libstdc++/67554
 916         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
 917         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
 918
 919         PR libstdc++/82966
 920         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
 921         instead of type.
 922         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
 923
 924 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
 925
 926         PR libstdc++/80165
 927         * testsuite/20_util/variant/80165.cc: New.
 928
 929 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 930
 931         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
 932         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
 933         of C++11 containers with Debug Mode support.
 934         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
 935         * doc/html/*: Regenerate.
 936
 937 2018-05-10  Jason Merrill  <jason@redhat.com>
 938
 939         * include/bits/regex_compiler.h (_S_cache_size): Change from
 940         function to variable.
 941
 942 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
 943
 944         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
 945         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
 946         argument defaulted to +1.  Doxy comments on same.
 947         * testsuite/special_functions/02_assoc_legendre/
 948         check_value.cc: Regen.
 949         * testsuite/tr1/5_numerical_facilities/special_functions/
 950         02_assoc_legendre/check_value.cc: Regen.
 951
 952 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 953
 954         PR libstdc++/85729
 955         * include/bits/c++config.h (__replacement_assert): Add linkage
 956         specification.
 957         * include/bits/std_abs.h: Add comment to closing brace of block.
 958         * include/c_global/cstddef: Add linkage specification.
 959         * include/c_global/cstring: Likewise.
 960         * include/c_global/cwchar: Likewise.
 961
 962 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
 963
 964         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
 965         Rename in...
 966         (_Safe_iterator<>::_S_constant()): ...that.
 967         * include/debug/safe_local_iterator.h
 968         (_Safe_local_iterator<>::_M_constant()): Rename in...
 969         (_Safe_local_iterator<>::_S_constant()): ...that.
 970         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
 971         (_Iterator_state::__rbegin): New.
 972         (_Iterator_state::__rmiddle): New.
 973         (_Iterator_state::__rend): New.
 974         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
 975         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
 976         iterator type.
 977         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
 978         _Is_iterator)): Likewise.
 979         (_Parameter::_S_reverse_state(_Iterator_state)): New.
 980         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
 981         _Is_iterator)): New.
 982         (_Parameter(std::reverse_iterator<> const&, const char*,
 983         _Is_iterator)): New.
 984         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
 985         const char*, _Is_iterator)): New.
 986         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
 987         New.
 988         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
 989         _Is_iterator)): New.
 990         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
 991         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
 992         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
 993
 994 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
 995
 996         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
 997         Use constexpr if in C++17 mode.
 998         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
 999         Copy from const object.
1000         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
1001
1002 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
1003
1004         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
1005         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
1006         backtrace.
1007
1008         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
1009         * include/debug/functions.h (__check_valid_range): Use latter.
1010         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
1011         use latter.
1012         * include/debug/deque
1013         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
1014         * include/debug/forward_list
1015         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
1016         Likewise.
1017         * include/debug/list
1018         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1019         * include/debug/list
1020         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1021         * include/debug/map.h
1022         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1023         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
1024         Likewise.
1025         * include/debug/multimap.h
1026         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1027         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
1028         const _Alloc&)): Likewise.
1029         * include/debug/set.h
1030         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1031         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
1032         Likewise.
1033         * include/debug/multiset.h
1034         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1035         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
1036         const _Alloc&)): Likewise.
1037         * include/debug/string
1038         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
1039         Likewise.
1040         * include/debug/unordered_map
1041         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
1042         Likewise.
1043         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
1044         const _Alloc&)): Likewise.
1045         * include/debug/unordered_set
1046         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
1047         Likewise.
1048         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
1049         const _Alloc&)): Likewise.
1050         * include/debug/vector
1051         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
1052
1053         * include/debug/formatter.h (_Error_formatter::_M_function): New.
1054         (_Error_formatter(const char*, unsigned int)): Adapt.
1055         (_Error_formatter::_M_at): Rename in...
1056         (_Error_formatter::_S_at): ...that and adapt.
1057         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
1058         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
1059         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
1060         when available.
1061
1062 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
1063
1064         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
1065         Use normal std::vector even in Debug Mode.
1066
1067         PR libstdc++/85672
1068         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
1069         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
1070         * include/Makefile.in: Regenerate.
1071         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
1072         within conditional block.
1073
1074 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
1075
1076         * doc/xml/manual/using.xml (table.cmd_options): Document that the
1077         C++17 Filesystem implementation also needs -lstdc++fs.
1078
1079         PR libstdc++/85671
1080         * include/bits/fs_path.h (operator/): Permit copy elision.
1081         * include/experimental/bits/fs_path.h (operator/): Likewise.
1082
1083 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
1084
1085         Moar PR libstdc++/80506
1086         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
1087         Fix magic number used in loop condition.
1088
1089 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
1090
1091         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
1092         * include/std/optional (_Optional_payload): Add noexcept to default
1093         constructor. Re-indent.
1094         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
1095         constructor for copying disengaged payloads.
1096         (_Optional_payload<_Tp, true, false, true>): Likewise.
1097         (_Optional_payload<_Tp, true, true, false>): Likewise.
1098         (_Optional_payload<_Tp, true, false, false>): Likewise.
1099         * testsuite/20_util/optional/cons/85642.cc: New.
1100         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
1101
1102 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
1103
1104         PR libstdc++/82644
1105         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
1106         inline definitions instead of using-declarations.
1107         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
1108         * testsuite/tr1/5_numerical_facilities/special_functions/
1109         07_conf_hyperg/compile_cxx17.cc: New.
1110         * testsuite/tr1/5_numerical_facilities/special_functions/
1111         17_hyperg/compile_cxx17.cc: New.
1112
1113         PR libstdc++/84769
1114         * include/std/variant (visit): Qualify std::get call.
1115
1116         PR libstdc++/85632 use uintmax_t for arithmetic
1117         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
1118         arithmetic in result type.
1119         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
1120         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
1121         is greater than free space.
1122         * testsuite/experimental/filesystem/operations/space.cc: New.
1123
1124         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
1125         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
1126         New.
1127         * testsuite/20_util/remove_cvref/value.cc: New.
1128         * testsuite/20_util/remove_cvref/value_ext.cc: New.
1129
1130         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
1131         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
1132         (append(const basic_string&, size_type, size_type)
1133         (assign(const basic_string&, size_type, size_type)
1134         (insert(size_type, const basic_string&, size_type, size_type)
1135         (replace(size_type,size_type,const basic_string&,size_type,size_type)
1136         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
1137         Add default arguments (LWG 2268).
1138         [_GLIBCXX_USE_CXX11_ABI=0]
1139         (append(const basic_string&, size_type, size_type)
1140         (assign(const basic_string&, size_type, size_type)
1141         (insert(size_type, const basic_string&, size_type, size_type)
1142         (replace(size_type,size_type,const basic_string&,size_type,size_type)
1143         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
1144         Likewise.
1145         * testsuite/21_strings/basic_string/dr2268.cc: New test.
1146
1147         PR libstdc++/84535
1148         * include/std/thread (thread::__not_same): New SFINAE helper.
1149         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
1150         first argument is not a std::thread. Add static assertion to check
1151         INVOKE expression is valid.
1152         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
1153         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
1154         __invoke_result for return types and remove exception specifications.
1155         * testsuite/30_threads/thread/cons/84535.cc: New.
1156
1157         * include/std/future (__async_result_of): Use __invoke_result instead
1158         of result_of.
1159
1160         * include/std/any (any_cast): Use __remove_cvref_t.
1161         * include/std/tuple (__make_tuple): Likewise.
1162         * include/std/type_traits (__remove_cvref_t): Define.
1163         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
1164         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
1165         * include/std/variant (__erased_hash): Use __remove_cvref_t.
1166
1167 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
1168
1169         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
1170         ensure overloaded comma not used.
1171         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
1172         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
1173         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
1174         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
1175         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
1176         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
1177         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
1178
1179 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
1180
1181         PR libstdc++/68197
1182         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
1183         indices to unsigned.
1184         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
1185         as failure. Refactor error handling.
1186         * testsuite/27_io/ios_base/storage/68197.cc: New.
1187
1188         PR libstdc++/57997
1189         PR libstdc++/83860
1190         * include/bits/gslice_array.h (gslice_array): Define default
1191         constructor as deleted, as per C++11 standard.
1192         * include/bits/mask_array.h (mask_array): Likewise.
1193         * include/bits/slice_array.h (slice_array): Likewise.
1194         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
1195         to namespace __detail.
1196         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
1197         members.
1198         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
1199         of data members in closure objects.
1200         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
1201         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
1202         __detail.
1203         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
1204         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
1205         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
1206         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
1207         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
1208         using-declarations to namespace std.
1209         * testsuite/26_numerics/valarray/83860.cc: New.
1210
1211         * testsuite/backward/strstream_move.cc: Remove duplicate function
1212         call.
1213
1214         PR libstdc++/69608
1215         * include/backward/strstream (strstreambuf): Define move constructor
1216         and move assignment operator.
1217         (istrstream, ostrstream, strstream): Likewise.
1218         * testsuite/backward/strstream_move.cc: New.
1219
1220 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
1221
1222         PR libstdc++/84654
1223         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
1224         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
1225         * configure: Regenerate.
1226         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
1227         based on ENABLE_FLOAT128.
1228         * include/Makefile.in: Regenerate.
1229         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
1230         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
1231         _GLIBCXX_USE_FLOAT128.
1232
1233 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
1234
1235         * configure: Regenerated.
1236
1237 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
1238
1239         * configure: Regenerated.
1240
1241 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
1242             Jakub Jelinek  <jakub@redhat.com>
1243
1244         PR libstdc++/85442
1245         * src/c++11/Makefile.am: Don't generate debuginfo again for
1246         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
1247         * src/c++11/Makefile.in: Regenerate.
1248
1249 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
1250
1251         PR libstdc++/84442
1252         * testsuite/30_threads/thread/cons/terminate.cc
1253         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
1254
1255 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
1256
1257         PR jit/85384
1258         * configure: Regenerate.
1259
1260 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
1261
1262         * testsuite/experimental/filesystem/file_status/1.cc: Add
1263         -DUSE_FILESYSTEM_TS to dg-options.
1264         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
1265         Likewise.
1266         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
1267         * testsuite/experimental/filesystem/iterators/
1268         recursive_directory_iterator.cc: Likewise.
1269         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
1270         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
1271         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
1272         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
1273         * testsuite/experimental/filesystem/operations/create_directories.cc:
1274         Likewise.
1275         * testsuite/experimental/filesystem/operations/create_directory.cc:
1276         Likewise.
1277         * testsuite/experimental/filesystem/operations/create_symlink.cc:
1278         Likewise.
1279         * testsuite/experimental/filesystem/operations/current_path.cc:
1280         Likewise.
1281         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
1282         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
1283         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
1284         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
1285         * testsuite/experimental/filesystem/operations/last_write_time.cc:
1286         Likewise.
1287         * testsuite/experimental/filesystem/operations/permissions.cc:
1288         Likewise.
1289         * testsuite/experimental/filesystem/operations/read_symlink.cc:
1290         Likewise.
1291         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
1292         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
1293         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
1294         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
1295         Likewise.
1296         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
1297         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
1298         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
1299         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
1300         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
1301         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
1302         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
1303         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
1304         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
1305         * testsuite/experimental/filesystem/path/construct/default.cc:
1306         Likewise.
1307         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
1308         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
1309         * testsuite/experimental/filesystem/path/construct/string_view.cc:
1310         Likewise.
1311         * testsuite/experimental/filesystem/path/decompose/extension.cc:
1312         Likewise.
1313         * testsuite/experimental/filesystem/path/decompose/filename.cc:
1314         Likewise.
1315         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
1316         Likewise.
1317         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
1318         Likewise.
1319         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
1320         Likewise.
1321         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
1322         Likewise.
1323         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
1324         Likewise.
1325         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
1326         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
1327         Likewise.
1328         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
1329         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
1330         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
1331         Likewise.
1332         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
1333         Likewise.
1334         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
1335         Likewise.
1336         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
1337         Likewise.
1338         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
1339         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
1340         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
1341         Likewise.
1342         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
1343         * testsuite/experimental/filesystem/path/query/has_extension.cc:
1344         Likewise.
1345         * testsuite/experimental/filesystem/path/query/has_filename.cc:
1346         Likewise.
1347         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
1348         Likewise.
1349         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
1350         Likewise.
1351         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
1352         Likewise.
1353         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
1354         Likewise.
1355         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
1356         Likewise.
1357         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
1358         * testsuite/experimental/filesystem/path/query/is_relative.cc:
1359         Likewise.
1360
1361 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
1362
1363         * src/c++11/Makefile.am: Fix sed command.
1364         * src/c++11/Makefile.in: Regenerate.
1365
1366         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
1367         handle mangled names starting with double underscores on darwin.
1368         * src/c++11/Makefile.in: Regenerate.
1369
1370 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
1371
1372         * src/c++11/Makefile.am: Fix comment.
1373         * src/c++11/Makefile.in: Regenerate.
1374         * src/c++11/cxx11-ios_failure.cc: Fix comment.
1375         * src/c++98/ios_failure.cc: Likewise.
1376
1377         * src/c++11/ios.cc: Remove redundant macro definition.
1378
1379 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
1380
1381         * doc/xml/manual/abi.xml: Document header locations in recent
1382         releases.
1383         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
1384         * doc/xml/manual/spine.xml: Update copyright years.
1385         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
1386         undefined behaviour.
1387         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
1388         * doc/html/*: Regenerate.
1389
1390 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
1391
1392         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
1393         * doc/xml/manual/backwards_compatibility.xml: Likewise.
1394         * doc/xml/manual/containers.xml: Likewise.
1395         * doc/xml/manual/debug_mode.xml: Likewise.
1396         * doc/xml/manual/extensions.xml: Likewise.
1397         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
1398         * doc/xml/manual/using.xml: Likewise.
1399         * doc/xml/manual/utilities.xml: Likewise.
1400
1401         PR libstdc++/85222
1402         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
1403         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
1404         * src/c++11/Makefile.in: Regenerate.
1405         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
1406         New types.
1407         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
1408         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
1409         * src/c++98/ios_failure.cc (__construct_ios_failure)
1410         (__destroy_ios_failure, is_ios_failure_handler): New functions.
1411         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
1412         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
1413         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
1414         handler types, to always catch std::ios_base::failure.
1415         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
1416         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
1417         exceptions_failbit.cc: Likewise.
1418         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
1419         exceptions_failbit.cc: Likewise.
1420         * testsuite/27_io/basic_istream/extractors_other/char/
1421         exceptions_null.cc: Likewise.
1422         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
1423         exceptions_null.cc: Likewise.
1424         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
1425         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
1426         * testsuite/27_io/basic_ostream/inserters_other/char/
1427         exceptions_null.cc: Likewise.
1428         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
1429         exceptions_null.cc: Likewise.
1430         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
1431
1432 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
1433
1434         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
1435         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
1436
1437 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
1438
1439         PR libstdc++/85183
1440         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
1441         value categories.
1442         * testsuite/20_util/variant/85183.cc: New.
1443
1444 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
1445
1446         * include/std/variant (__get): Qualify calls to avoid ADL.
1447         (__select_index): Adjust whitespace.
1448         (variant): Add using-declaration to workaround Clang bug.
1449
1450 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
1451
1452         PR libstdc++/85040
1453         * include/bits/stl_function.h (greater::__not_overloaded)
1454         (less::__not_overloaded, greater_equal::__not_overloaded)
1455         (less_equal::__not_overloaded): Fix ambiguous specializations.
1456         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
1457         tests for type with overloaded operators.
1458
1459 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1460
1461         PR libstdc++/77691
1462         * testsuite/experimental/memory_resource/resource_adaptor.cc:
1463         xfail execution on 32-bit Solaris/x86.
1464
1465 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
1466
1467         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
1468         VERIFY instead of assert.
1469         * testsuite/20_util/hash/84998.cc: New test.
1470         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
1471         copy of test adjusted for Debug Mode.
1472         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
1473         test in Debug Mode.
1474
1475 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
1476
1477         PR libstdc++/84998
1478         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
1479         * include/std/bitset: Likewise.
1480         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
1481         declaration.
1482         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
1483         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
1484         * include/bits/stl_set.h (std::set<>): Likewise.
1485         * include/bits/unordered_map.h (std::unordered_map<>): Fix
1486         _Hash_merge_helper friend declaration.
1487         (std::unordered_multimap<>): Likewise.
1488         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
1489         (std::unordered_multiset<>): Likewise.
1490
1491 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
1492
1493         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
1494         trailing slash for domain level link.
1495         * doc/xml/faq.xml: Ditto.
1496         * doc/xml/manual/appendix_free.xml (software): Ditto.
1497         * doc/xml/manual/intro.xml: Ditto.
1498         * doc/xml/manual/spine.xml: Ditto.
1499         * doc/xml/spine.xml: Ditto.
1500
1501 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
1502
1503         * doc/xml/manual/documentation_hacking.xml: Adjust link to
1504         docbook.org.
1505
1506 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
1507
1508         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
1509         to compile as C++98.
1510
1511 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
1512
1513         PR libstdc++/78420
1514         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
1515         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
1516         to ensure total order for pointers.
1517         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
1518         Add operator() overloads for pointer arguments and make generic
1519         overloads dispatch to new _S_cmp functions when comparisons would
1520         use built-in operators for pointers.
1521         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
1522
1523 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
1524
1525         PR libstdc++/84773
1526         PR libstdc++/83662
1527         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
1528         * configure: Regenerate.
1529         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
1530         (aligned_alloc): Add using-declaration.
1531         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
1532
1533 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
1534
1535         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
1536         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
1537         registration.
1538
1539 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
1540
1541         PR libstdc++/84769
1542         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
1543         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
1544
1545         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
1546         src/filesystem/std-ops.cc (create_dir): Likewise.
1547
1548 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
1549
1550         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
1551         (StdListIteratorPrinter): Inherit from latter.
1552         (StdFwdListIteratorPrinter): New, inherit from latter.
1553         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
1554         when iterator has no associated container.
1555         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
1556         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
1557         registrations.
1558         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
1559         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
1560
1561 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
1562
1563         PR libstdc++/84601
1564         * include/std/optional (_Optional_payload): Split into multiple
1565         specializations that can handle different cases of trivial or
1566         non-trivial assignment operators.
1567         * testsuite/20_util/optional/84601.cc: New.
1568         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1569
1570 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
1571
1572         PR libstdc++/84671
1573         * include/bits/parse_numbers.h (_Number_help): Add partial
1574         specialization to handle digit separators. Adjust partial
1575         specialization for recursion temrination to require _Pow == 1ULL.
1576         * testsuite/20_util/duration/literals/84671.cc: New
1577
1578 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
1579
1580         Implement the missing bits of LWG 2769
1581         * include/std/any (any_cast(const any&)): Add static_assert.
1582         (any_cast(any&)): Likewise.
1583         (any_cast(any&&)): Likewise, and remove the handling
1584         for copyable-but-not-movable type.
1585         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
1586         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
1587         add new tests.
1588
1589 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
1590
1591         PR libstdc++/84532
1592         * include/std/thread (thread::__make_invoker): Construct tuple
1593         directly instead of using make_tuple.
1594         * testsuite/30_threads/async/84532.cc: New.
1595         * testsuite/30_threads/thread/84532.cc: New.
1596
1597 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
1598
1599         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
1600         (template<> __aligned_buffer): Define as __aligned_membuf alias.
1601
1602 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
1603
1604         PR target/84148
1605         * configure: Regenerate.
1606
1607 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
1608
1609         PR libstdc++/81797
1610         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
1611         * configure: Regenerate.
1612         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
1613         defined.
1614         * include/Makefile.in: Regenerate.
1615
1616 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
1617
1618         PR libstdc++/83833
1619         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1620         Add -ffloat-store to options for m68k and ia32.
1621
1622         * doc/xml/faq.xml: Update copyright years.
1623         * doc/html/*: Regenerate.
1624
1625         PR libstdc++/83658
1626         * include/std/any (any::__do_emplace): Only set _M_manager after
1627         constructing the contained object.
1628         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
1629         * testsuite/20_util/any/modifiers/83658.cc: New test.
1630
1631 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
1632
1633         PR libstdc++/81076
1634         * include/c_global/cstddef (__byte_operand): Define primary template.
1635         * testsuite/18_support/byte/81076.cc: New test.
1636
1637 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
1638
1639         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
1640         dg-options and dg-add-options order.
1641         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
1642         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
1643         Likewise.
1644         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
1645         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
1646         Likewise.
1647         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
1648         Likewise.
1649         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
1650         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
1651         Likewise.
1652         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
1653         Likewise.
1654         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
1655         Likewise.
1656         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
1657         Likewise.
1658         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
1659         Likewise.
1660         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
1661         Likewise.
1662         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
1663         Likewise.
1664         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
1665         Likewise.
1666         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
1667         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
1668         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
1669         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
1670         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
1671         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
1672         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
1673         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
1674         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
1675         Likewise.
1676         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
1677         Likewise.
1678         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
1679         Likewise.
1680         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
1681         Likewise.
1682
1683 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
1684
1685         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
1686         include linux/types.h when checking linux/random.h header.
1687         * config.h.in: Regenerate.
1688         * configure: Ditto.
1689         * src/c++11/random.cc: Conditionally include linux/types.h.
1690
1691 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1692
1693         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
1694
1695 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
1696
1697         PR libstdc++/83834
1698         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
1699         pattern with exact match for std::cerr.
1700
1701 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1702
1703         PR libstdc++/83833
1704         * include/bits/random.h (chi_squared_distribution::param): Update
1705         gamma distribution parameter.
1706         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
1707         test.
1708
1709         PR libstdc++/83830
1710         * include/std/type_traits (has_unique_object_representations_v): Add
1711         variable template.
1712         * testsuite/20_util/has_unique_object_representations/value.cc: Check
1713         variable template.
1714
1715 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
1716
1717         Make optional conditionally
1718         trivially_{copy,move}_{constructible,assignable}
1719         * include/std/optional (_Optional_payload): Fix the comment in
1720         the class head and turn into a primary and one specialization.
1721         (_Optional_payload::_M_engaged): Strike the NSDMI.
1722         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
1723         New.
1724         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
1725         Likewise.
1726         (_Optional_payload<_Tp, false>::_M_get): Likewise.
1727         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
1728         (_Optional_base_impl): Likewise.
1729         (_Optional_base): Turn into a primary and three specializations.
1730         (optional(nullopt)): Change the base init.
1731         * testsuite/20_util/optional/assignment/8.cc: New.
1732         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
1733         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1734
1735 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1736
1737         PR libstdc++/80276
1738         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
1739         (get_template_arg_list): New.
1740         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
1741         instead.
1742         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
1743         of strings and regular expressions.
1744         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
1745         (FilteringTypePrinter): Add docstring. Match using startswith. Use
1746         strip_inline_namespaces instead of strip_versioned_namespace.
1747         (add_one_type_printer): Prepend namespace to match argument.
1748         (register_type_printers): Add type printers for char16_t and char32_t
1749         string types and for types using cxx11 ABI. Update calls to
1750         add_one_template_type_printer to provide default argument dicts.
1751         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
1752         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
1753         basic_string<unsigned char> and basic_string<signed char>.
1754         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
1755         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
1756
1757 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
1758
1759         PR libstdc++/81092
1760         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1761
1762 2018-01-13  Tim Shen  <timshen@google.com>
1763
1764         PR libstdc++/83601
1765         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
1766         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
1767         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
1768
1769 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1770
1771         PR libstdc++/64054
1772         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
1773         Remove dg-xfail-run-if.
1774
1775 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
1776
1777         * include/bits/forward_list.h
1778         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
1779         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
1780         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
1781         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
1782         (_Fwd_list_impl()): Add noexcept qualification.
1783         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
1784         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
1785         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
1786         (_Fwd_list_base()): Default.
1787         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
1788         (_Fwd_list_base(_Fwd_list_base&&)): Default.
1789         (forward_list<>()): Default.
1790         (forward_list<>(forward_list&&)): Default.
1791         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
1792         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
1793         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
1794         * include/bits/forward_list.tcc
1795         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
1796         _M_impl._M_head move assignment.
1797         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
1798         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
1799
1800 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
1801
1802         PR libstdc++/80276
1803         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
1804         (UniquePointerPrinter): Print correct template argument, not type of
1805         the pointer.
1806         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
1807         a type.
1808         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
1809         array type.
1810         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
1811         weak_ptr of array types.
1812
1813 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
1814
1815         PR libstdc++/83709
1816         * include/bits/hashtable_policy.h
1817         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
1818         __first != __last.
1819         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
1820         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
1821         Add false_type parameter.
1822         (_Insert_base::insert): Adapt.
1823         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
1824         Adapt.
1825         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
1826          Add __n_elt parameter, defaulted to 1.
1827         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
1828         policy _M_need_rehash.
1829         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
1830         produce only 1 rehash if necessary.
1831         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
1832         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
1833
1834 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
1835             Jonathan Wakely  <jwakely@redhat.com>
1836
1837         PR libstdc++/59253 (partial)
1838         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
1839         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
1840         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
1841         children.
1842         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
1843         of unique_ptr printer.
1844         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
1845         output of shared_ptr printer.
1846
1847 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
1848
1849         PR libstdc++/83626
1850         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
1851         unnecessary symlink_status call.
1852         (remove_all(const path&, error_code&)): Use filesystem::remove.
1853         * src/filesystem/std-ops.cc: Likewise.
1854
1855         PR libstdc++/83279
1856         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
1857         sendfile.
1858
1859         PR libstdc++/83626
1860         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
1861         report an error for ENOENT.
1862         (remove_all(const path&)): Fix type of result variable.
1863         (remove_all(const path&, error_code&)): Use non-throwing increment
1864         for directory iterator. Call POSIX remove directly to avoid redundant
1865         calls to symlink_status. Do not report errors for ENOENT.
1866         * src/filesystem/std-ops.cc: Likewise.
1867         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
1868         overload.
1869         * testsuite/experimental/filesystem/operations/remove_all.cc:
1870         Likewise.
1871
1872 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
1873
1874         PR libstdc++/83626
1875         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
1876         redundant call to ec.clear().
1877         (remove_all(const path&, error_code&))): Do not return an error for
1878         non-existent paths.
1879         * src/filesystem/std-ops.cc: Likewise.
1880         * testsuite/27_io/filesystem/operations/remove.cc: New test.
1881         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
1882         results for non-existent paths.
1883         * testsuite/experimental/filesystem/operations/remove.cc: New test.
1884         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
1885         expected results for non-existent paths.
1886
1887         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
1888         check status_known once.
1889         * include/experimental/bits/fs_ops.h: Likewise.
1890
1891         PR libstdc++/83607
1892         * include/std/functional (__is_byte_like): New trait.
1893         (__is_std_equal_to): Remove.
1894         (__boyer_moore_base_t): Use __is_byte_like instead of
1895         __is_std_equal_to.
1896         * include/experimental/functional (__is_std_equal_to): Remove.
1897         (__boyer_moore_base_t): Use __is_byte_like instead of
1898         __is_std_equal_to.
1899         * testsuite/20_util/function_objects/83607.cc: New test.
1900
1901 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
1902
1903         Protect optional's deduction guide with the feature macro
1904         * include/std/optional: Use the feature macro.
1905
1906 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1907
1908         Update copyright years.
1909 \f
1910 Copyright (C) 2018 Free Software Foundation, Inc.
1911
1912 Copying and distribution of this file, with or without modification,
1913 are permitted in any medium without royalty provided the copyright
1914 notice and this notice are preserved.