libstdc++-v3/ChangeLog

   1 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
   4         Move back to <utility>.
   5         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
   6         Restore to here.
   7
   8         P0935R0 Eradicating unnecessarily explicit default constructors
   9         * include/backward/strstream (strstreambuf): Add non-explicit default
  10         constructor.
  11         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
  12         Likewise.
  13         * include/bits/regex.h (match_results): Likewise.
  14         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
  15         default constructor.
  16         * testsuite/22_locale/conversions/string/1.cc: Likewise.
  17         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
  18         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
  19
  20         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
  21         macro from <utility> and change type to long.
  22         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
  23         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
  24         macro.
  25
  26         P0935R0 Eradicating unnecessarily explicit default constructors
  27         * include/bits/random.h (uniform_real_distribution::param_type)
  28         (normal_distribution::param_type, lognormal_distribution::param_type)
  29         (gamma_distribution::param_type, chi_squared_distribution::param_type)
  30         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
  31         (student_t_distribution::param_type)
  32         (bernoulli_distribution::param_type)
  33         (binomial_distribution::param_type)
  34         (geometric_distribution::param_type)
  35         (negative_binomial_distribution::param_type)
  36         (poisson_distribution::param_type)
  37         (exponential_distribution::param_type)
  38         (weibull_distribution::param_type)
  39         (extreme_value_distribution::param_type): Add non-explicit default
  40         constructors. Remove default argument for first parameter of explicit
  41         constructors.
  42         * include/bits/uniform_int_dist.h
  43         (uniform_int_distribution::param_type): Likewise.
  44         * include/ext/random
  45         (beta_distribution::param_type, rice_distribution::param_type)
  46         (nakagami_distribution::param_type, pareto_distribution::param_type)
  47         (k_distribution::param_type, arcsine_distribution::param_type)
  48         (hoyt_distribution::param_type, triangular_distribution::param_type)
  49         (von_mises_distribution::param_type)
  50         (hypergeometric_distribution::param_type)
  51         (logistic_distribution::param_type)
  52         (uniform_inside_sphere_distribution::param_type): Likewise.
  53         (uniform_on_sphere_distribution::param_type): Make default constructor
  54         non-explicit.
  55         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
  56         Test param_type for non-explicit default constructor.
  57         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
  58         Likewise.
  59         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
  60         Likewise.
  61         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
  62         Likewise.
  63         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
  64         Likewise.
  65         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
  66         Likewise.
  67         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
  68         Likewise.
  69         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
  70         Likewise.
  71         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
  72         Likewise.
  73         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
  74         Likewise.
  75         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
  76         Likewise.
  77         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
  78         Likewise.
  79         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
  80         Likewise.
  81         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
  82         Likewise.
  83         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
  84         Likewise.
  85         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
  86         Likewise.
  87         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
  88         Likewise.
  89         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
  90         Likewise.
  91         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
  92         Likewise.
  93         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
  94         Likewise.
  95         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
  96         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
  97         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
  98         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
  99         Likewise.
 100         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
 101         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
 102         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
 103         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
 104         Likewise.
 105         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
 106         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
 107         * testsuite/ext/random/triangular_distribution/cons/default.cc:
 108         Likewise.
 109         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
 110         Likewise.
 111         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
 112         Likewise.
 113         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
 114         Likewise.
 115
 116 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
 117             Jonathan Wakely  <jwakely@redhat.com>
 118
 119         PR libstdc++/83982
 120         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
 121         Default-construct new elements before moving existing ones.
 122         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
 123         New.
 124
 125 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
 126
 127         PR libstdc++/86127
 128         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
 129         unused typedef.
 130         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
 131         Use node allocator to create and destroy elements.
 132         (forward_list::_Tp_alloc_type): Remove unused typedef.
 133         (forward_list::_Alloc_traits): Use allocator_traits instead of
 134         __gnu_cxx::__alloc_traits.
 135
 136 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
 137
 138         * include/debug/helper_functions.h
 139         (__gnu_debug::_Safe_iterator<>): Add declaration.
 140         (__can_advance(_Ite, _Size)): New.
 141         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
 142         * include/debug/functions.h
 143         (__gnu_debug::_Safe_iterator<>): Remove declaration.
 144         * include/debug/stl_iterator.h
 145         (__can_advance(const _Safe_iterator<>&)): New definition.
 146         * include/debug/stl_iterator.h
 147         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
 148         (__can_advance(const std::move_iterator<>&, _Size)): New.
 149         * include/debug/macros.h (__glibcxx_check_can_increment): New.
 150         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
 151         * include/bits/stl_algobase.h (fill_n): Use latter.
 152         * testsuite/25_algorithms/fill_n/2.cc: New.
 153         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
 154         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
 155         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
 156         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
 157
 158         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
 159         (__glibcxx_requires_can_decrement_range): New.
 160
 161 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
 162
 163         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
 164         (__glibcxx_check_can_decrement_range): New.
 165         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
 166         __glibcxx_requires_can_increment_range.
 167         (std::move(_II, _II, _OI)): Likewise.
 168         (std::copy_backward(_BI, _BI, _BI2)): Use
 169         __glibcxx_requires_can_decrement_range.
 170         (std::move_backward(_BI, _BI, _BI2)): Likewise.
 171         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
 172         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
 173         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
 174         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
 175         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
 176         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
 177
 178 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
 179
 180         P0935R0 Eradicating unnecessarily explicit default constructors
 181         * include/bits/random.h (linear_congruential_engine)
 182         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
 183         (uniform_real_distribution, normal_distribution)
 184         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
 185         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
 186         (bernoulli_distribution, binomial_distribution,geometric_distribution)
 187         (negative_binomial_distribution, exponential_distribution)
 188         (weibull_distribution, extreme_value_distribution): Add non-explicit
 189         default constructors. Remove default argument for first parameter of
 190         explicit constructors.
 191         (piecewise_constant_distribution, piecewise_linear_distribution):
 192         Make default constructor non-explicit.
 193         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
 194         non-explicit default constructors. Remove default argument for first
 195         parameter of explicit constructor.
 196         * include/ext/random
 197         (simd_fast_mersenne_twister_engine, beta_distribution)
 198         (rice_distribution, nakagami_distribution, pareto_distribution)
 199         (k_distribution, arcsine_distribution, hoyt_distribution)
 200         (triangular_distribution, von_mises_distribution)
 201         (hypergeometric_distribution, logistic_distribution)
 202         (uniform_inside_sphere_distribution): Likewise.
 203         (uniform_on_sphere_distribution): Make default constructor
 204         non-explicit.
 205         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
 206         Test for non-explicit default constructor. Fix references to standard.
 207         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
 208         Likewise.
 209         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
 210         Likewise.
 211         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
 212         Likewise.
 213         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
 214         Likewise.
 215         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
 216         Likewise.
 217         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
 218         Likewise.
 219         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
 220         Likewise.
 221         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
 222         Likewise.
 223         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
 224         Likewise.
 225         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
 226         Likewise.
 227         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
 228         Likewise.
 229         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
 230         Likewise.
 231         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
 232         Likewise.
 233         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
 234         Likewise.
 235         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
 236         Likewise.
 237         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
 238         Likewise.
 239         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
 240         Likewise.
 241         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
 242         Likewise.
 243         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
 244         Likewise.
 245         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
 246         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
 247         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
 248         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
 249         Likewise.
 250         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
 251         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
 252         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
 253         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
 254         Likewise.
 255         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
 256         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
 257         * testsuite/ext/random/triangular_distribution/cons/default.cc:
 258         Likewise.
 259         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
 260         Likewise.
 261         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
 262         Likewise.
 263         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
 264         Likewise.
 265         * testsuite/util/testsuite_common_types.h
 266         (implicitly_default_constructible): New helper.
 267
 268 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
 269
 270         * include/bits/ios_base.h (ios::Init::Init(const Init&))
 271         (ios::Init::operator=): Define as defaulted.
 272         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
 273         Likewise.
 274         * include/bits/stream_iterator.h (istream_iterator::operator=)
 275         (ostream_iterator::operator=): Likewise.
 276         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
 277         Likewise.
 278         * include/std/bitset (bitset::reference::reference(const reference&)):
 279         Likewise.
 280         * include/std/complex (complex<float>::complex(const complex&))
 281         (complex<double>::complex(const complex&))
 282         (complex<long double>::complex(const complex&)): Likewise.
 283
 284 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
 285
 286         * include/bits/regex.h (sub_match): Add noexcept to default
 287         constructor and length observer.
 288         (match_results): Add noexcept to default constructor and observers
 289         with no preconditions. Define destructor as defaulted.
 290         (operator==, operator!=, swap): Add noexcept.
 291         (regex_iterator): Add default member initializers and define default
 292         constructor and destructor as defaulted. Add noexcept to equality
 293         and dereference operators.
 294
 295 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
 296
 297         * src/c++11/debug.cc
 298         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
 299         (_Safe_iterator_base::_M_detach_single()): Likewise.
 300         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
 301         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
 302
 303 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
 304
 305         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
 306         move of const value.
 307
 308 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
 309
 310         PR c++/86068
 311         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
 312         rather than __cpp_transactional_memory >= 201505L.
 313
 314 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
 315
 316         PR libstdc++/86008
 317         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
 318         Define new partial specialization.
 319         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
 320         new overload.
 321         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
 322         value not reference for iteration.
 323         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
 324         comment.
 325         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
 326         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
 327         comment.
 328
 329 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
 330
 331         * include/std/type_traits: Fix comment typos.
 332
 333         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
 334         mingw* targets.
 335         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
 336         * testsuite/experimental/filesystem/operations/read_symlink.cc:
 337         Likewise.
 338
 339 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
 340
 341         * include/bits/stl_tempbuf.h
 342         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
 343         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
 344         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
 345         * include/bits/stl_algo.h (__stable_partition): Adapt.
 346         (__inplace_merge): Adapt.
 347         (__stable_sort): Adapt.
 348
 349 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
 350
 351         PR libstdc++/85930
 352         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
 353         unconditionally. Remove redundant declaration.
 354         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
 355         alignment-specifier.
 356
 357         * include/bits/postypes.h (fpos): Define special members as defaulted.
 358
 359         PR libstdc++/85930
 360         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
 361         the static variable correctly.
 362
 363 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
 364
 365         PR libstdc++/78870 support std::filesystem on Windows
 366         * config.h.in: Regenerate.
 367         * configure: Regenerate.
 368         * configure.ac: Check for link, readlink and symlink.
 369         * include/bits/fs_path.h (path::operator/=(const path&)): Move
 370         definition out of class body.
 371         (path::is_absolute(), path::_M_append(path)): Likewise.
 372         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
 373         (operator>>(basic_istream, path&)): Likewise.
 374         (u8path): Reorder definitions and fix Windows implementation.
 375         (path::is_absolute()): Define inline and fix for Windows.
 376         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
 377         Define POSIX version inline.
 378         (path::_M_append(path)): Define inline.
 379         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
 380         definition out of class body.
 381         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
 382         escape characters.
 383         (operator>>(basic_istream, path&)): Likewise.
 384         (path::is_absolute()): Define inline and fix for Windows.
 385         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
 386         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
 387         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
 388         Define as adaptors for Windows functions/types or as
 389         using-declarations for POSIX functions/types.
 390         (_Dir_base, get_file_type): Qualify names to use declarations from
 391         __gnu_posix namespace.
 392         (_Dir_base::is_dor_or_dotdot): New helper functions.
 393         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
 394         names to use declarations from __gnu_posix namespace.
 395         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
 396         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
 397         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
 398         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
 399         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
 400         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
 401         Define as adaptors for Windows functions/types or as
 402         using-declarations for POSIX functions/types.
 403         (stat_type, do_copy_file): Qualify names to use declarations from
 404         __gnu_posix namespace.
 405         (do_space): Declare new function.
 406         (make_file_type): Only use S_ISLNK if defined.
 407         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
 408         path::value_type not char.
 409         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
 410         names to use declarations from __gnu_posix namespace.
 411         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
 412         add implementation for Windows.
 413         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
 414         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
 415         [!_PC_PATH_MAX]: Don't use pathconf.
 416         [PATH_MAX]: Use if defined.
 417         (filesystem::current_path(const path&, error_code&))
 418         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
 419         (filesystem::last_write_time, filesystem::permissions): Use names
 420         from __gnu_posix.
 421         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
 422         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
 423         implementation for Windows.
 424         (filesystem::rename, filesystem::resize_file): Use names from
 425         __gnu_posix.
 426         (filesystem::space): Use do_space.
 427         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
 428         (filesystem::status, filesystem::symlink_status): Use names from
 429         __gnu_posix.
 430         (filesystem::temp_directory_path): Add implementation for Windows.
 431         * src/filesystem/path.cc (dot): Define constant.
 432         (path::replace_extension): Use dot.
 433         (path::_M_find_extension): Likewise. Use path::string_type not
 434         std::string.
 435         (path::_M_split_cmpts): Use dot.
 436         (filesystem_error::_M_get_what): Use u8string() not native().
 437         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
 438         Qualify names to use declarations from __gnu_posix namespace.
 439         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
 440         correct error_code.
 441         (filesystem::absolute(const path&, error_code&)): Add implementation
 442         for Windows.
 443         (char_ptr, filesystem::canonical): Use path::value_type not char.
 444         (do_copy_file): Use names from __gnu_posix.
 445         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
 446         sendfile.
 447         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
 448         names to use declarations from __gnu_posix namespace.
 449         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
 450         add implementation for Windows.
 451         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
 452         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
 453         [!_PC_PATH_MAX]: Don't use pathconf.
 454         [PATH_MAX]: Use if defined.
 455         (filesystem::current_path(const path&, error_code&))
 456         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
 457         (filesystem::last_write_time, filesystem::permissions): Use names
 458         from __gnu_posix.
 459         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
 460         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
 461         implementation for Windows.
 462         (filesystem::rename, filesystem::resize_file): Use names from
 463         __gnu_posix.
 464         (do_space): Define.
 465         (filesystem::space): Use do_space.
 466         (filesystem::status, filesystem::symlink_status): Use names from
 467         __gnu_posix.
 468         (filesystem::temp_directory_path): Add implementation for Windows.
 469         * src/filesystem/std-path.cc
 470         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
 471         Define for Windows.
 472         (dot): Define constant.
 473         (path::replace_extension, is_dot): Use dot.
 474         (path::lexically_normal): Check _M_type instead of calling
 475         non-existent function.
 476         (path::_M_find_extension): Use dot. Use path::string_type not
 477         std::string.
 478         (path::_M_split_cmpts): Use dot.
 479         (filesystem_error::_M_get_what): Use u8string() not native().
 480         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
 481         use symlinks.
 482         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
 483         Likewise.
 484         * testsuite/27_io/filesystem/operations/absolute.cc: Use
 485         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
 486         * testsuite/27_io/filesystem/operations/canonical.cc: Use
 487         path::string() to get narrow string, not path::native().
 488         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
 489         with std::filesystem::path not std::basic_string.
 490         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
 491         * testsuite/27_io/filesystem/operations/exists.cc: Use
 492         __gnu_test::root_path() instead of "/".
 493         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
 494         fstreams with std::filesystem::path not std::basic_string.
 495         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
 496         path::string() to get narrow string.
 497         * testsuite/27_io/filesystem/operations/space.cc: Check results for
 498         errors, expect sensible values otherwise.
 499         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
 500         helpers for adjusting the environment on Windows.
 501         * testsuite/27_io/filesystem/path/append/path.cc: Test
 502         Windows-specific behaviour.
 503         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
 504         of path::string_type objects.
 505         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
 506         string to wide string on Windows.
 507         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
 508         for backslash as root-directory.
 509         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
 510         path::string() to get narrow string.
 511         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
 512         paths.
 513         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
 514         not std::string.
 515         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
 516         different definintion of absolute paths on Windows.
 517         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
 518         Do not use symlinks.
 519         * testsuite/experimental/filesystem/operations/absolute.cc: Test
 520         Windows behaviour.
 521         * testsuite/experimental/filesystem/operations/copy.cc: Construct
 522         fstreams with NTCTS not std::basic_string.
 523         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
 524         * testsuite/experimental/filesystem/operations/exists.cc: Use
 525         __gnu_test::root_path() instead of "/".
 526         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
 527         fstreams with NTCTS not std::basic_string.
 528         * testsuite/experimental/filesystem/operations/last_write_time.cc:
 529         Use path::string() to get narrow string.
 530         * testsuite/experimental/filesystem/operations/space.cc: Use
 531         __gnu_test::root_path() instead of "/".
 532         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
 533         Add helpers for adjusting the environment on Windows.
 534         * testsuite/experimental/filesystem/path/append/path.cc: Use
 535         path::string() to get narrow strings for comparisons.
 536         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
 537         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
 538         Likewise.
 539         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
 540         * testsuite/experimental/filesystem/path/native/string.cc: Use
 541         string_type not std::string.
 542         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
 543         Adjust for different definintion of absolute paths on Windows.
 544         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
 545         function.
 546         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
 547         std::basic_string.
 548
 549 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
 550
 551         PR libstdc++/85951
 552         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
 553         uint_least16_t and uint_least32_t.
 554         (__make_unsigned<wchar_t>): Define unconditionally.
 555         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
 556         typedefs.
 557         (__make_unsigned_selector_base): New type to provide helper templates.
 558         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
 559         __make_unsigned_selector_base helpers.
 560         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
 561         (__make_signed_selector<_Tp, true, false>): Remove intermediate
 562         typedefs.
 563         (__make_signed<wchar_t>, __make_signed<char16_t>)
 564         (__make_signed<char32_t>)): Define unconditionally.
 565         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
 566         wchar_t, char16_t and char32_t are transformed correctly.
 567         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
 568         dg-error lineno.
 569         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
 570         wchar_t, char16_t and char32_t are transformed correctly.
 571         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
 572         dg-error lineno.
 573
 574 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
 575
 576         * include/std/variant (__erased_dtor): Qualify call to __get.
 577
 578 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
 579
 580         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
 581         (_Rb_tree(const allocator_type&)): Use latter.
 582         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
 583         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
 584         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
 585         * include/bits/stl_multimap.h
 586         (multimap(const allocator_type&)): Likewise.
 587         (multimap(initializer_list<value_type>, const allocator_type&)):
 588         Likewise.
 589         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
 590         Likewise.
 591         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
 592         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
 593         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
 594         * include/bits/stl_multiset.h
 595         (multiset(const allocator_type&)): Likewise.
 596         (multiset(initializer_list<value_type>, const allocator_type&)):
 597         Likewise.
 598         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
 599         Likewise.
 600
 601 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
 602
 603         PR libstdc++/85768
 604         * src/c++11/debug.cc: Remove backtrace usage.
 605
 606 2018-05-24  Maya Rashish  <coypu@sdf.org>
 607
 608         PR target/85904
 609         * crossconfig.m4: Test for aligned_alloc on netbsd.
 610         * configure: Regenerate.
 611
 612 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
 613
 614         PR libstdc++/69769
 615         PR libstdc++/85886
 616         * include/bits/atomic_base.h (__atomic_base::value_type)
 617         (__atomic_base::difference_type): Add new typedefs.
 618         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
 619         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
 620         (atomic<T*>::operator++, atomic<T*>::operator--)
 621         (atomic<T*>::operator+=, atomic<T*>::operator-=)
 622         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
 623         to enforce C++17 requirement on pointer arithmetic.
 624         (__atomic_val_t, __atomic_diff_t): New alias templates.
 625         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
 626         (atomic_compare_exchange_weak_explicit)
 627         (atomic_compare_exchange_strong_explicit, atomic_store)
 628         (atomic_exchange, atomic_compare_exchange_weak)
 629         (atomic_compare_exchange_strong): Use __atomic_val_t to make
 630         scalar parameters be non-deduced contexts.
 631         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
 632         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
 633         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
 634         parameters.
 635         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
 636         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
 637         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
 638         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
 639         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
 640         address types.
 641         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
 642         * testsuite/29_atomics/atomic/69769.cc: New test.
 643         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
 644         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
 645         Disable test for C++17 and later.
 646         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
 647         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
 648         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
 649         test.
 650
 651 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
 652
 653         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
 654         template to alias template.
 655         (path::__value_type_is_char): Use remove_const_t.
 656         (path:_S_string_from_iter): New helper function.
 657         (path::_S_convert(InputIter, __null_terminated))
 658         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
 659         Use _S_string_from_iter.
 660         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
 661         rep for COW strings.
 662         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
 663         Change from class template to alias template.
 664         (path::__value_type_is_char): Use remove_const.
 665         (path:_S_string_from_iter): New helper function.
 666         (path::_S_convert(InputIter, __null_terminated))
 667         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
 668         Use _S_string_from_iter.
 669         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
 670         wide strings.
 671         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
 672         string equality, not path equivalence.
 673         * testsuite/27_io/filesystem/path/construct/format.cc: Check
 674         construction from std::string and std::wstring and input iterators.
 675         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
 676         construction from iterators.
 677         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
 678         exact string equality, not path equivalence.
 679         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
 680         construction from iterators.
 681
 682         * include/bits/fs_path.h (path::_M_type): Change default member
 683         initializer to _Filename.
 684         (path::begin): Create past-the-end iterator for empty path.
 685         * src/filesystem/std-path.cc (path::remove_filename()): Remove
 686         debugging check.
 687         (path::has_relative_path()): Return false for empty filenames.
 688         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
 689         Fix offset of empty final component.
 690         * testsuite/27_io/filesystem/path/itr/components.cc: New.
 691         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
 692
 693 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 694
 695         Add support for opening file streams from wide character strings.
 696         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
 697         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 698         Define new overload.
 699         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
 700         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 701         Declare new overload.
 702         * configure.ac: Check for _wfopen.
 703         * crossconfig.m4: Likewise.
 704         * configure: Regenerate.
 705         * config.h.in: Regenerate.
 706         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
 707         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 708         Define new overload.
 709         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
 710         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 711         Declare new overload.
 712         [_GLIBCXX_HAVE__WFOPEN]
 713         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 714         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
 715         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 716         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
 717         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 718         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
 719         new overloads.
 720         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
 721         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
 722         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
 723         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
 724         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
 725         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
 726         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
 727
 728 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
 729
 730         PR libstdc++/85845
 731         * include/bits/stl_tree.h
 732         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
 733         qualification.
 734
 735 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 736
 737         * src/filesystem/std-ops.cc (absolute): Report an error for empty
 738         paths.
 739         (weakly_canonical(const path&)): Do not call canonical on empty path.
 740         (weakly_canonical(const path&, error_code&)): Likewise.
 741         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
 742
 743         PR libstdc++/85818
 744         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
 745         dg-require-filesystem-ts.
 746
 747         PR libstdc++/85843
 748         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
 749         initialize base class to avoid warnings.
 750
 751 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
 752
 753         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
 754         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
 755         little_endian element in bitmask.
 756         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
 757         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
 758
 759 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
 760
 761         * include/bits/stl_tree.h
 762         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
 763         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
 764         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
 765         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
 766         * include/debug/map.h
 767         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
 768         * include/debug/multimap.h
 769         (multimap(multimap&&, const_allocator_type&)): Likewise.
 770         * include/debug/set.h
 771         (set(set&&, const_allocator_type&)): Likewise.
 772         * include/debug/multiset.h
 773         (multiset(multiset&&, const_allocator_type&)): Likewise.
 774         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
 775         Add checks.
 776         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
 777         Add checks.
 778         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
 779         Add checks.
 780         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
 781         Add checks.
 782         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
 783         Add checks.
 784         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
 785         Add checks.
 786         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
 787         Add checks.
 788         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
 789         Add checks.
 790
 791 2018-05-18  Jason Merrill  <jason@redhat.com>
 792
 793         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
 794         for conversion to const_iterator.  Add defaulted copy ops.
 795         * libsupc++/new (bad_alloc): Add defaulted copy ops.
 796         * libsupc++/exception.h (exception): Add defaulted copy ops.
 797         * include/std/system_error (system_error): Add defaulted copy ops.
 798         * include/std/stdexcept (domain_error, invalid_argument)
 799         (length_error, out_of_range, range_error, overflow_error)
 800         (underflow_error): Add defaulted copy ops.
 801         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
 802         copy assignment.
 803         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
 804         * include/ext/throw_allocator.h (condition_base): Add defaulted
 805         default and copy ctor and copy assignment.
 806
 807 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
 808
 809         PR libstdc++/85098
 810         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
 811         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
 812         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
 813         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
 814         definitions.
 815         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
 816         whitespace.
 817         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
 818         braces around body of do-while.
 819         * testsuite/28_regex/basic_regex/85098.cc: New
 820
 821 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
 822
 823         PR libstdc++/85818
 824         * src/filesystem/path.cc (path::preferred_separator): Add used
 825         attribute.
 826         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
 827
 828         PR libstdc++/85812
 829         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
 830         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
 831         Refactor to separate non-throwing and throwing implementations.
 832         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
 833         if constructing the object throws.
 834
 835 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
 836
 837         PR libstdc++/85749
 838         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
 839         (linear_congruential_engine, mersenne_twister_engine)
 840         (subtract_with_carry_engine, discard_block_engine)
 841         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
 842         constrain function templates taking seed sequences.
 843         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
 844         (mersenne_twister_engine::seed(_Sseq&))
 845         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
 846         match declarations.
 847         * include/ext/random (simd_fast_mersenne_twister_engine): Use
 848         __is_seed_seq to constrain function templates taking seed sequences.
 849         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
 850         Change return type to match declaration.
 851         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
 852         New.
 853         * testsuite/26_numerics/random/independent_bits_engine/cons/
 854         seed_seq2.cc: New.
 855         * testsuite/26_numerics/random/linear_congruential_engine/cons/
 856         seed_seq2.cc: New.
 857         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
 858         seed_seq2.cc: New.
 859         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
 860         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
 861         New.
 862         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
 863         seed_seq2.cc: New.
 864         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
 865         seed_seq2.cc: New.
 866
 867         PR libstdc++/83891
 868         * include/bits/fs_path.h (path::is_absolute()): Use same definition
 869         for all operating systems.
 870         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
 871         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
 872         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
 873         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
 874
 875         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
 876         unused <vector> header.
 877         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
 878         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
 879         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
 880         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
 881         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
 882         Likewise.
 883         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
 884         Likewise.
 885         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
 886         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
 887         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
 888         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
 889         * testsuite/experimental/filesystem/path/decompose/extension.cc:
 890         Likewise.
 891         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
 892         * testsuite/experimental/filesystem/path/query/has_extension.cc:
 893         Likewise.
 894         * testsuite/experimental/filesystem/path/query/has_filename.cc:
 895         Likewise.
 896         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
 897         Likewise.
 898         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
 899         Likewise.
 900         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
 901         Likewise.
 902         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
 903         Likewise.
 904         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
 905         Likewise.
 906         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
 907         * testsuite/experimental/filesystem/path/query/is_relative.cc:
 908         Likewise.
 909
 910         PR libstdc++/84159
 911         * include/bits/fs_path.h (path::operator/=, path::append): Construct
 912         temporary path before calling _M_append.
 913         (path::_M_append): Change parameter to path and implement C++17
 914         semantics.
 915         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
 916         and more examples from the standard.
 917         * testsuite/27_io/filesystem/path/append/source.cc: New.
 918         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
 919         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
 920
 921         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
 922         __invoke to prevent ADL.
 923
 924 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
 925
 926         PR libstdc++/81256
 927         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
 928         exceptions from _M_terminate_output().
 929         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
 930         exceptions from close().
 931         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
 932
 933         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
 934         (__valarray_get_storage): Call operator new directly. Remove ignored
 935         top-level restrict qualifier and add malloc attribute instead.
 936         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
 937
 938         PR libstdc++/67554
 939         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
 940         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
 941
 942         PR libstdc++/82966
 943         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
 944         instead of type.
 945         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
 946
 947 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
 948
 949         PR libstdc++/80165
 950         * testsuite/20_util/variant/80165.cc: New.
 951
 952 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 953
 954         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
 955         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
 956         of C++11 containers with Debug Mode support.
 957         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
 958         * doc/html/*: Regenerate.
 959
 960 2018-05-10  Jason Merrill  <jason@redhat.com>
 961
 962         * include/bits/regex_compiler.h (_S_cache_size): Change from
 963         function to variable.
 964
 965 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
 966
 967         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
 968         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
 969         argument defaulted to +1.  Doxy comments on same.
 970         * testsuite/special_functions/02_assoc_legendre/
 971         check_value.cc: Regen.
 972         * testsuite/tr1/5_numerical_facilities/special_functions/
 973         02_assoc_legendre/check_value.cc: Regen.
 974
 975 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 976
 977         PR libstdc++/85729
 978         * include/bits/c++config.h (__replacement_assert): Add linkage
 979         specification.
 980         * include/bits/std_abs.h: Add comment to closing brace of block.
 981         * include/c_global/cstddef: Add linkage specification.
 982         * include/c_global/cstring: Likewise.
 983         * include/c_global/cwchar: Likewise.
 984
 985 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
 986
 987         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
 988         Rename in...
 989         (_Safe_iterator<>::_S_constant()): ...that.
 990         * include/debug/safe_local_iterator.h
 991         (_Safe_local_iterator<>::_M_constant()): Rename in...
 992         (_Safe_local_iterator<>::_S_constant()): ...that.
 993         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
 994         (_Iterator_state::__rbegin): New.
 995         (_Iterator_state::__rmiddle): New.
 996         (_Iterator_state::__rend): New.
 997         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
 998         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
 999         iterator type.
1000         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
1001         _Is_iterator)): Likewise.
1002         (_Parameter::_S_reverse_state(_Iterator_state)): New.
1003         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
1004         _Is_iterator)): New.
1005         (_Parameter(std::reverse_iterator<> const&, const char*,
1006         _Is_iterator)): New.
1007         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
1008         const char*, _Is_iterator)): New.
1009         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
1010         New.
1011         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
1012         _Is_iterator)): New.
1013         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
1014         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
1015         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
1016
1017 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
1018
1019         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
1020         Use constexpr if in C++17 mode.
1021         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
1022         Copy from const object.
1023         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
1024
1025 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
1026
1027         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
1028         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
1029         backtrace.
1030
1031         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
1032         * include/debug/functions.h (__check_valid_range): Use latter.
1033         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
1034         use latter.
1035         * include/debug/deque
1036         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
1037         * include/debug/forward_list
1038         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
1039         Likewise.
1040         * include/debug/list
1041         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1042         * include/debug/list
1043         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1044         * include/debug/map.h
1045         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1046         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
1047         Likewise.
1048         * include/debug/multimap.h
1049         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1050         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
1051         const _Alloc&)): Likewise.
1052         * include/debug/set.h
1053         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1054         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
1055         Likewise.
1056         * include/debug/multiset.h
1057         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1058         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
1059         const _Alloc&)): Likewise.
1060         * include/debug/string
1061         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
1062         Likewise.
1063         * include/debug/unordered_map
1064         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
1065         Likewise.
1066         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
1067         const _Alloc&)): Likewise.
1068         * include/debug/unordered_set
1069         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
1070         Likewise.
1071         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
1072         const _Alloc&)): Likewise.
1073         * include/debug/vector
1074         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
1075
1076         * include/debug/formatter.h (_Error_formatter::_M_function): New.
1077         (_Error_formatter(const char*, unsigned int)): Adapt.
1078         (_Error_formatter::_M_at): Rename in...
1079         (_Error_formatter::_S_at): ...that and adapt.
1080         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
1081         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
1082         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
1083         when available.
1084
1085 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
1086
1087         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
1088         Use normal std::vector even in Debug Mode.
1089
1090         PR libstdc++/85672
1091         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
1092         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
1093         * include/Makefile.in: Regenerate.
1094         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
1095         within conditional block.
1096
1097 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
1098
1099         * doc/xml/manual/using.xml (table.cmd_options): Document that the
1100         C++17 Filesystem implementation also needs -lstdc++fs.
1101
1102         PR libstdc++/85671
1103         * include/bits/fs_path.h (operator/): Permit copy elision.
1104         * include/experimental/bits/fs_path.h (operator/): Likewise.
1105
1106 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
1107
1108         Moar PR libstdc++/80506
1109         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
1110         Fix magic number used in loop condition.
1111
1112 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
1113
1114         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
1115         * include/std/optional (_Optional_payload): Add noexcept to default
1116         constructor. Re-indent.
1117         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
1118         constructor for copying disengaged payloads.
1119         (_Optional_payload<_Tp, true, false, true>): Likewise.
1120         (_Optional_payload<_Tp, true, true, false>): Likewise.
1121         (_Optional_payload<_Tp, true, false, false>): Likewise.
1122         * testsuite/20_util/optional/cons/85642.cc: New.
1123         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
1124
1125 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
1126
1127         PR libstdc++/82644
1128         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
1129         inline definitions instead of using-declarations.
1130         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
1131         * testsuite/tr1/5_numerical_facilities/special_functions/
1132         07_conf_hyperg/compile_cxx17.cc: New.
1133         * testsuite/tr1/5_numerical_facilities/special_functions/
1134         17_hyperg/compile_cxx17.cc: New.
1135
1136         PR libstdc++/84769
1137         * include/std/variant (visit): Qualify std::get call.
1138
1139         PR libstdc++/85632 use uintmax_t for arithmetic
1140         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
1141         arithmetic in result type.
1142         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
1143         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
1144         is greater than free space.
1145         * testsuite/experimental/filesystem/operations/space.cc: New.
1146
1147         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
1148         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
1149         New.
1150         * testsuite/20_util/remove_cvref/value.cc: New.
1151         * testsuite/20_util/remove_cvref/value_ext.cc: New.
1152
1153         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
1154         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
1155         (append(const basic_string&, size_type, size_type)
1156         (assign(const basic_string&, size_type, size_type)
1157         (insert(size_type, const basic_string&, size_type, size_type)
1158         (replace(size_type,size_type,const basic_string&,size_type,size_type)
1159         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
1160         Add default arguments (LWG 2268).
1161         [_GLIBCXX_USE_CXX11_ABI=0]
1162         (append(const basic_string&, size_type, size_type)
1163         (assign(const basic_string&, size_type, size_type)
1164         (insert(size_type, const basic_string&, size_type, size_type)
1165         (replace(size_type,size_type,const basic_string&,size_type,size_type)
1166         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
1167         Likewise.
1168         * testsuite/21_strings/basic_string/dr2268.cc: New test.
1169
1170         PR libstdc++/84535
1171         * include/std/thread (thread::__not_same): New SFINAE helper.
1172         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
1173         first argument is not a std::thread. Add static assertion to check
1174         INVOKE expression is valid.
1175         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
1176         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
1177         __invoke_result for return types and remove exception specifications.
1178         * testsuite/30_threads/thread/cons/84535.cc: New.
1179
1180         * include/std/future (__async_result_of): Use __invoke_result instead
1181         of result_of.
1182
1183         * include/std/any (any_cast): Use __remove_cvref_t.
1184         * include/std/tuple (__make_tuple): Likewise.
1185         * include/std/type_traits (__remove_cvref_t): Define.
1186         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
1187         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
1188         * include/std/variant (__erased_hash): Use __remove_cvref_t.
1189
1190 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
1191
1192         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
1193         ensure overloaded comma not used.
1194         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
1195         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
1196         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
1197         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
1198         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
1199         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
1200         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
1201
1202 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
1203
1204         PR libstdc++/68197
1205         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
1206         indices to unsigned.
1207         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
1208         as failure. Refactor error handling.
1209         * testsuite/27_io/ios_base/storage/68197.cc: New.
1210
1211         PR libstdc++/57997
1212         PR libstdc++/83860
1213         * include/bits/gslice_array.h (gslice_array): Define default
1214         constructor as deleted, as per C++11 standard.
1215         * include/bits/mask_array.h (mask_array): Likewise.
1216         * include/bits/slice_array.h (slice_array): Likewise.
1217         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
1218         to namespace __detail.
1219         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
1220         members.
1221         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
1222         of data members in closure objects.
1223         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
1224         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
1225         __detail.
1226         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
1227         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
1228         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
1229         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
1230         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
1231         using-declarations to namespace std.
1232         * testsuite/26_numerics/valarray/83860.cc: New.
1233
1234         * testsuite/backward/strstream_move.cc: Remove duplicate function
1235         call.
1236
1237         PR libstdc++/69608
1238         * include/backward/strstream (strstreambuf): Define move constructor
1239         and move assignment operator.
1240         (istrstream, ostrstream, strstream): Likewise.
1241         * testsuite/backward/strstream_move.cc: New.
1242
1243 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
1244
1245         PR libstdc++/84654
1246         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
1247         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
1248         * configure: Regenerate.
1249         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
1250         based on ENABLE_FLOAT128.
1251         * include/Makefile.in: Regenerate.
1252         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
1253         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
1254         _GLIBCXX_USE_FLOAT128.
1255
1256 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
1257
1258         * configure: Regenerated.
1259
1260 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
1261
1262         * configure: Regenerated.
1263
1264 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
1265             Jakub Jelinek  <jakub@redhat.com>
1266
1267         PR libstdc++/85442
1268         * src/c++11/Makefile.am: Don't generate debuginfo again for
1269         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
1270         * src/c++11/Makefile.in: Regenerate.
1271
1272 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
1273
1274         PR libstdc++/84442
1275         * testsuite/30_threads/thread/cons/terminate.cc
1276         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
1277
1278 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
1279
1280         PR jit/85384
1281         * configure: Regenerate.
1282
1283 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
1284
1285         * testsuite/experimental/filesystem/file_status/1.cc: Add
1286         -DUSE_FILESYSTEM_TS to dg-options.
1287         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
1288         Likewise.
1289         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
1290         * testsuite/experimental/filesystem/iterators/
1291         recursive_directory_iterator.cc: Likewise.
1292         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
1293         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
1294         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
1295         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
1296         * testsuite/experimental/filesystem/operations/create_directories.cc:
1297         Likewise.
1298         * testsuite/experimental/filesystem/operations/create_directory.cc:
1299         Likewise.
1300         * testsuite/experimental/filesystem/operations/create_symlink.cc:
1301         Likewise.
1302         * testsuite/experimental/filesystem/operations/current_path.cc:
1303         Likewise.
1304         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
1305         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
1306         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
1307         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
1308         * testsuite/experimental/filesystem/operations/last_write_time.cc:
1309         Likewise.
1310         * testsuite/experimental/filesystem/operations/permissions.cc:
1311         Likewise.
1312         * testsuite/experimental/filesystem/operations/read_symlink.cc:
1313         Likewise.
1314         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
1315         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
1316         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
1317         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
1318         Likewise.
1319         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
1320         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
1321         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
1322         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
1323         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
1324         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
1325         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
1326         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
1327         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
1328         * testsuite/experimental/filesystem/path/construct/default.cc:
1329         Likewise.
1330         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
1331         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
1332         * testsuite/experimental/filesystem/path/construct/string_view.cc:
1333         Likewise.
1334         * testsuite/experimental/filesystem/path/decompose/extension.cc:
1335         Likewise.
1336         * testsuite/experimental/filesystem/path/decompose/filename.cc:
1337         Likewise.
1338         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
1339         Likewise.
1340         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
1341         Likewise.
1342         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
1343         Likewise.
1344         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
1345         Likewise.
1346         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
1347         Likewise.
1348         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
1349         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
1350         Likewise.
1351         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
1352         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
1353         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
1354         Likewise.
1355         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
1356         Likewise.
1357         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
1358         Likewise.
1359         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
1360         Likewise.
1361         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
1362         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
1363         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
1364         Likewise.
1365         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
1366         * testsuite/experimental/filesystem/path/query/has_extension.cc:
1367         Likewise.
1368         * testsuite/experimental/filesystem/path/query/has_filename.cc:
1369         Likewise.
1370         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
1371         Likewise.
1372         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
1373         Likewise.
1374         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
1375         Likewise.
1376         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
1377         Likewise.
1378         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
1379         Likewise.
1380         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
1381         * testsuite/experimental/filesystem/path/query/is_relative.cc:
1382         Likewise.
1383
1384 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
1385
1386         * src/c++11/Makefile.am: Fix sed command.
1387         * src/c++11/Makefile.in: Regenerate.
1388
1389         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
1390         handle mangled names starting with double underscores on darwin.
1391         * src/c++11/Makefile.in: Regenerate.
1392
1393 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
1394
1395         * src/c++11/Makefile.am: Fix comment.
1396         * src/c++11/Makefile.in: Regenerate.
1397         * src/c++11/cxx11-ios_failure.cc: Fix comment.
1398         * src/c++98/ios_failure.cc: Likewise.
1399
1400         * src/c++11/ios.cc: Remove redundant macro definition.
1401
1402 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
1403
1404         * doc/xml/manual/abi.xml: Document header locations in recent
1405         releases.
1406         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
1407         * doc/xml/manual/spine.xml: Update copyright years.
1408         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
1409         undefined behaviour.
1410         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
1411         * doc/html/*: Regenerate.
1412
1413 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
1414
1415         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
1416         * doc/xml/manual/backwards_compatibility.xml: Likewise.
1417         * doc/xml/manual/containers.xml: Likewise.
1418         * doc/xml/manual/debug_mode.xml: Likewise.
1419         * doc/xml/manual/extensions.xml: Likewise.
1420         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
1421         * doc/xml/manual/using.xml: Likewise.
1422         * doc/xml/manual/utilities.xml: Likewise.
1423
1424         PR libstdc++/85222
1425         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
1426         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
1427         * src/c++11/Makefile.in: Regenerate.
1428         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
1429         New types.
1430         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
1431         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
1432         * src/c++98/ios_failure.cc (__construct_ios_failure)
1433         (__destroy_ios_failure, is_ios_failure_handler): New functions.
1434         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
1435         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
1436         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
1437         handler types, to always catch std::ios_base::failure.
1438         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
1439         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
1440         exceptions_failbit.cc: Likewise.
1441         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
1442         exceptions_failbit.cc: Likewise.
1443         * testsuite/27_io/basic_istream/extractors_other/char/
1444         exceptions_null.cc: Likewise.
1445         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
1446         exceptions_null.cc: Likewise.
1447         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
1448         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
1449         * testsuite/27_io/basic_ostream/inserters_other/char/
1450         exceptions_null.cc: Likewise.
1451         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
1452         exceptions_null.cc: Likewise.
1453         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
1454
1455 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
1456
1457         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
1458         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
1459
1460 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
1461
1462         PR libstdc++/85183
1463         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
1464         value categories.
1465         * testsuite/20_util/variant/85183.cc: New.
1466
1467 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
1468
1469         * include/std/variant (__get): Qualify calls to avoid ADL.
1470         (__select_index): Adjust whitespace.
1471         (variant): Add using-declaration to workaround Clang bug.
1472
1473 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
1474
1475         PR libstdc++/85040
1476         * include/bits/stl_function.h (greater::__not_overloaded)
1477         (less::__not_overloaded, greater_equal::__not_overloaded)
1478         (less_equal::__not_overloaded): Fix ambiguous specializations.
1479         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
1480         tests for type with overloaded operators.
1481
1482 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1483
1484         PR libstdc++/77691
1485         * testsuite/experimental/memory_resource/resource_adaptor.cc:
1486         xfail execution on 32-bit Solaris/x86.
1487
1488 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
1489
1490         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
1491         VERIFY instead of assert.
1492         * testsuite/20_util/hash/84998.cc: New test.
1493         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
1494         copy of test adjusted for Debug Mode.
1495         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
1496         test in Debug Mode.
1497
1498 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
1499
1500         PR libstdc++/84998
1501         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
1502         * include/std/bitset: Likewise.
1503         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
1504         declaration.
1505         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
1506         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
1507         * include/bits/stl_set.h (std::set<>): Likewise.
1508         * include/bits/unordered_map.h (std::unordered_map<>): Fix
1509         _Hash_merge_helper friend declaration.
1510         (std::unordered_multimap<>): Likewise.
1511         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
1512         (std::unordered_multiset<>): Likewise.
1513
1514 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
1515
1516         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
1517         trailing slash for domain level link.
1518         * doc/xml/faq.xml: Ditto.
1519         * doc/xml/manual/appendix_free.xml (software): Ditto.
1520         * doc/xml/manual/intro.xml: Ditto.
1521         * doc/xml/manual/spine.xml: Ditto.
1522         * doc/xml/spine.xml: Ditto.
1523
1524 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
1525
1526         * doc/xml/manual/documentation_hacking.xml: Adjust link to
1527         docbook.org.
1528
1529 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
1530
1531         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
1532         to compile as C++98.
1533
1534 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
1535
1536         PR libstdc++/78420
1537         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
1538         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
1539         to ensure total order for pointers.
1540         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
1541         Add operator() overloads for pointer arguments and make generic
1542         overloads dispatch to new _S_cmp functions when comparisons would
1543         use built-in operators for pointers.
1544         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
1545
1546 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
1547
1548         PR libstdc++/84773
1549         PR libstdc++/83662
1550         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
1551         * configure: Regenerate.
1552         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
1553         (aligned_alloc): Add using-declaration.
1554         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
1555
1556 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
1557
1558         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
1559         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
1560         registration.
1561
1562 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
1563
1564         PR libstdc++/84769
1565         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
1566         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
1567
1568         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
1569         src/filesystem/std-ops.cc (create_dir): Likewise.
1570
1571 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
1572
1573         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
1574         (StdListIteratorPrinter): Inherit from latter.
1575         (StdFwdListIteratorPrinter): New, inherit from latter.
1576         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
1577         when iterator has no associated container.
1578         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
1579         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
1580         registrations.
1581         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
1582         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
1583
1584 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
1585
1586         PR libstdc++/84601
1587         * include/std/optional (_Optional_payload): Split into multiple
1588         specializations that can handle different cases of trivial or
1589         non-trivial assignment operators.
1590         * testsuite/20_util/optional/84601.cc: New.
1591         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1592
1593 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
1594
1595         PR libstdc++/84671
1596         * include/bits/parse_numbers.h (_Number_help): Add partial
1597         specialization to handle digit separators. Adjust partial
1598         specialization for recursion temrination to require _Pow == 1ULL.
1599         * testsuite/20_util/duration/literals/84671.cc: New
1600
1601 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
1602
1603         Implement the missing bits of LWG 2769
1604         * include/std/any (any_cast(const any&)): Add static_assert.
1605         (any_cast(any&)): Likewise.
1606         (any_cast(any&&)): Likewise, and remove the handling
1607         for copyable-but-not-movable type.
1608         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
1609         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
1610         add new tests.
1611
1612 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
1613
1614         PR libstdc++/84532
1615         * include/std/thread (thread::__make_invoker): Construct tuple
1616         directly instead of using make_tuple.
1617         * testsuite/30_threads/async/84532.cc: New.
1618         * testsuite/30_threads/thread/84532.cc: New.
1619
1620 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
1621
1622         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
1623         (template<> __aligned_buffer): Define as __aligned_membuf alias.
1624
1625 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
1626
1627         PR target/84148
1628         * configure: Regenerate.
1629
1630 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
1631
1632         PR libstdc++/81797
1633         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
1634         * configure: Regenerate.
1635         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
1636         defined.
1637         * include/Makefile.in: Regenerate.
1638
1639 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
1640
1641         PR libstdc++/83833
1642         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1643         Add -ffloat-store to options for m68k and ia32.
1644
1645         * doc/xml/faq.xml: Update copyright years.
1646         * doc/html/*: Regenerate.
1647
1648         PR libstdc++/83658
1649         * include/std/any (any::__do_emplace): Only set _M_manager after
1650         constructing the contained object.
1651         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
1652         * testsuite/20_util/any/modifiers/83658.cc: New test.
1653
1654 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
1655
1656         PR libstdc++/81076
1657         * include/c_global/cstddef (__byte_operand): Define primary template.
1658         * testsuite/18_support/byte/81076.cc: New test.
1659
1660 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
1661
1662         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
1663         dg-options and dg-add-options order.
1664         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
1665         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
1666         Likewise.
1667         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
1668         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
1669         Likewise.
1670         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
1671         Likewise.
1672         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
1673         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
1674         Likewise.
1675         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
1676         Likewise.
1677         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
1678         Likewise.
1679         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
1680         Likewise.
1681         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
1682         Likewise.
1683         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
1684         Likewise.
1685         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
1686         Likewise.
1687         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
1688         Likewise.
1689         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
1690         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
1691         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
1692         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
1693         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
1694         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
1695         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
1696         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
1697         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
1698         Likewise.
1699         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
1700         Likewise.
1701         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
1702         Likewise.
1703         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
1704         Likewise.
1705
1706 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
1707
1708         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
1709         include linux/types.h when checking linux/random.h header.
1710         * config.h.in: Regenerate.
1711         * configure: Ditto.
1712         * src/c++11/random.cc: Conditionally include linux/types.h.
1713
1714 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1715
1716         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
1717
1718 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
1719
1720         PR libstdc++/83834
1721         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
1722         pattern with exact match for std::cerr.
1723
1724 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1725
1726         PR libstdc++/83833
1727         * include/bits/random.h (chi_squared_distribution::param): Update
1728         gamma distribution parameter.
1729         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
1730         test.
1731
1732         PR libstdc++/83830
1733         * include/std/type_traits (has_unique_object_representations_v): Add
1734         variable template.
1735         * testsuite/20_util/has_unique_object_representations/value.cc: Check
1736         variable template.
1737
1738 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
1739
1740         Make optional conditionally
1741         trivially_{copy,move}_{constructible,assignable}
1742         * include/std/optional (_Optional_payload): Fix the comment in
1743         the class head and turn into a primary and one specialization.
1744         (_Optional_payload::_M_engaged): Strike the NSDMI.
1745         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
1746         New.
1747         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
1748         Likewise.
1749         (_Optional_payload<_Tp, false>::_M_get): Likewise.
1750         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
1751         (_Optional_base_impl): Likewise.
1752         (_Optional_base): Turn into a primary and three specializations.
1753         (optional(nullopt)): Change the base init.
1754         * testsuite/20_util/optional/assignment/8.cc: New.
1755         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
1756         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1757
1758 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1759
1760         PR libstdc++/80276
1761         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
1762         (get_template_arg_list): New.
1763         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
1764         instead.
1765         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
1766         of strings and regular expressions.
1767         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
1768         (FilteringTypePrinter): Add docstring. Match using startswith. Use
1769         strip_inline_namespaces instead of strip_versioned_namespace.
1770         (add_one_type_printer): Prepend namespace to match argument.
1771         (register_type_printers): Add type printers for char16_t and char32_t
1772         string types and for types using cxx11 ABI. Update calls to
1773         add_one_template_type_printer to provide default argument dicts.
1774         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
1775         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
1776         basic_string<unsigned char> and basic_string<signed char>.
1777         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
1778         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
1779
1780 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
1781
1782         PR libstdc++/81092
1783         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1784
1785 2018-01-13  Tim Shen  <timshen@google.com>
1786
1787         PR libstdc++/83601
1788         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
1789         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
1790         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
1791
1792 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1793
1794         PR libstdc++/64054
1795         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
1796         Remove dg-xfail-run-if.
1797
1798 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
1799
1800         * include/bits/forward_list.h
1801         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
1802         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
1803         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
1804         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
1805         (_Fwd_list_impl()): Add noexcept qualification.
1806         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
1807         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
1808         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
1809         (_Fwd_list_base()): Default.
1810         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
1811         (_Fwd_list_base(_Fwd_list_base&&)): Default.
1812         (forward_list<>()): Default.
1813         (forward_list<>(forward_list&&)): Default.
1814         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
1815         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
1816         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
1817         * include/bits/forward_list.tcc
1818         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
1819         _M_impl._M_head move assignment.
1820         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
1821         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
1822
1823 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
1824
1825         PR libstdc++/80276
1826         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
1827         (UniquePointerPrinter): Print correct template argument, not type of
1828         the pointer.
1829         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
1830         a type.
1831         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
1832         array type.
1833         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
1834         weak_ptr of array types.
1835
1836 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
1837
1838         PR libstdc++/83709
1839         * include/bits/hashtable_policy.h
1840         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
1841         __first != __last.
1842         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
1843         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
1844         Add false_type parameter.
1845         (_Insert_base::insert): Adapt.
1846         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
1847         Adapt.
1848         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
1849          Add __n_elt parameter, defaulted to 1.
1850         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
1851         policy _M_need_rehash.
1852         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
1853         produce only 1 rehash if necessary.
1854         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
1855         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
1856
1857 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
1858             Jonathan Wakely  <jwakely@redhat.com>
1859
1860         PR libstdc++/59253 (partial)
1861         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
1862         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
1863         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
1864         children.
1865         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
1866         of unique_ptr printer.
1867         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
1868         output of shared_ptr printer.
1869
1870 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
1871
1872         PR libstdc++/83626
1873         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
1874         unnecessary symlink_status call.
1875         (remove_all(const path&, error_code&)): Use filesystem::remove.
1876         * src/filesystem/std-ops.cc: Likewise.
1877
1878         PR libstdc++/83279
1879         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
1880         sendfile.
1881
1882         PR libstdc++/83626
1883         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
1884         report an error for ENOENT.
1885         (remove_all(const path&)): Fix type of result variable.
1886         (remove_all(const path&, error_code&)): Use non-throwing increment
1887         for directory iterator. Call POSIX remove directly to avoid redundant
1888         calls to symlink_status. Do not report errors for ENOENT.
1889         * src/filesystem/std-ops.cc: Likewise.
1890         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
1891         overload.
1892         * testsuite/experimental/filesystem/operations/remove_all.cc:
1893         Likewise.
1894
1895 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
1896
1897         PR libstdc++/83626
1898         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
1899         redundant call to ec.clear().
1900         (remove_all(const path&, error_code&))): Do not return an error for
1901         non-existent paths.
1902         * src/filesystem/std-ops.cc: Likewise.
1903         * testsuite/27_io/filesystem/operations/remove.cc: New test.
1904         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
1905         results for non-existent paths.
1906         * testsuite/experimental/filesystem/operations/remove.cc: New test.
1907         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
1908         expected results for non-existent paths.
1909
1910         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
1911         check status_known once.
1912         * include/experimental/bits/fs_ops.h: Likewise.
1913
1914         PR libstdc++/83607
1915         * include/std/functional (__is_byte_like): New trait.
1916         (__is_std_equal_to): Remove.
1917         (__boyer_moore_base_t): Use __is_byte_like instead of
1918         __is_std_equal_to.
1919         * include/experimental/functional (__is_std_equal_to): Remove.
1920         (__boyer_moore_base_t): Use __is_byte_like instead of
1921         __is_std_equal_to.
1922         * testsuite/20_util/function_objects/83607.cc: New test.
1923
1924 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
1925
1926         Protect optional's deduction guide with the feature macro
1927         * include/std/optional: Use the feature macro.
1928
1929 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1930
1931         Update copyright years.
1932 \f
1933 Copyright (C) 2018 Free Software Foundation, Inc.
1934
1935 Copying and distribution of this file, with or without modification,
1936 are permitted in any medium without royalty provided the copyright
1937 notice and this notice are preserved.