libstdc++-v3/ChangeLog

   1 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
   4         define for C++17 and above.
   5
   6         LWG 2993 reference_wrapper<T> conversion from T&&
   7         * doc/xml/manual/intro.xml: Document LWG 2993 change.
   8         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
   9         (reference_wrapper(_Tp&&)): Remove.
  10         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
  11         template.
  12         (reference_wrapper): Add deduction guide.
  13         * testsuite/20_util/reference_wrapper/deduction.cc: New.
  14         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
  15
  16         LWG 3039 Unnecessary decay in thread and packaged_task
  17         * include/std/future (__constrain_pkgdtask): Replace with ...
  18         (packaged_task::__not_same): New alias template, using
  19         __remove_cvref_t instead of decay.
  20         * include/std/thread (thread::__not_same): Add comment.
  21
  22 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
  23
  24         LWG 3075 basic_string needs deduction guides from basic_string_view
  25         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
  26         deduction from string views.
  27         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
  28         Likewise.
  29
  30         LWG 3074 make scalar types non-deduced in valarray non-member functions
  31         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
  32         scalar parameters to be a non-deduced context.
  33         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
  34         whitespace.
  35         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
  36         * testsuite/26_numerics/valarray/transcend.cc: New.
  37
  38         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
  39         Move back to <utility>.
  40         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
  41         Restore to here.
  42
  43         P0935R0 Eradicating unnecessarily explicit default constructors
  44         * include/backward/strstream (strstreambuf): Add non-explicit default
  45         constructor.
  46         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
  47         Likewise.
  48         * include/bits/regex.h (match_results): Likewise.
  49         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
  50         default constructor.
  51         * testsuite/22_locale/conversions/string/1.cc: Likewise.
  52         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
  53         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
  54
  55         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
  56         macro from <utility> and change type to long.
  57         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
  58         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
  59         macro.
  60
  61         P0935R0 Eradicating unnecessarily explicit default constructors
  62         * include/bits/random.h (uniform_real_distribution::param_type)
  63         (normal_distribution::param_type, lognormal_distribution::param_type)
  64         (gamma_distribution::param_type, chi_squared_distribution::param_type)
  65         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
  66         (student_t_distribution::param_type)
  67         (bernoulli_distribution::param_type)
  68         (binomial_distribution::param_type)
  69         (geometric_distribution::param_type)
  70         (negative_binomial_distribution::param_type)
  71         (poisson_distribution::param_type)
  72         (exponential_distribution::param_type)
  73         (weibull_distribution::param_type)
  74         (extreme_value_distribution::param_type): Add non-explicit default
  75         constructors. Remove default argument for first parameter of explicit
  76         constructors.
  77         * include/bits/uniform_int_dist.h
  78         (uniform_int_distribution::param_type): Likewise.
  79         * include/ext/random
  80         (beta_distribution::param_type, rice_distribution::param_type)
  81         (nakagami_distribution::param_type, pareto_distribution::param_type)
  82         (k_distribution::param_type, arcsine_distribution::param_type)
  83         (hoyt_distribution::param_type, triangular_distribution::param_type)
  84         (von_mises_distribution::param_type)
  85         (hypergeometric_distribution::param_type)
  86         (logistic_distribution::param_type)
  87         (uniform_inside_sphere_distribution::param_type): Likewise.
  88         (uniform_on_sphere_distribution::param_type): Make default constructor
  89         non-explicit.
  90         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
  91         Test param_type for non-explicit default constructor.
  92         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
  93         Likewise.
  94         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
  95         Likewise.
  96         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
  97         Likewise.
  98         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
  99         Likewise.
 100         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
 101         Likewise.
 102         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
 103         Likewise.
 104         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
 105         Likewise.
 106         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
 107         Likewise.
 108         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
 109         Likewise.
 110         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
 111         Likewise.
 112         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
 113         Likewise.
 114         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
 115         Likewise.
 116         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
 117         Likewise.
 118         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
 119         Likewise.
 120         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
 121         Likewise.
 122         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
 123         Likewise.
 124         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
 125         Likewise.
 126         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
 127         Likewise.
 128         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
 129         Likewise.
 130         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
 131         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
 132         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
 133         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
 134         Likewise.
 135         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
 136         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
 137         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
 138         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
 139         Likewise.
 140         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
 141         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
 142         * testsuite/ext/random/triangular_distribution/cons/default.cc:
 143         Likewise.
 144         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
 145         Likewise.
 146         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
 147         Likewise.
 148         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
 149         Likewise.
 150
 151 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
 152             Jonathan Wakely  <jwakely@redhat.com>
 153
 154         PR libstdc++/83982
 155         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
 156         Default-construct new elements before moving existing ones.
 157         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
 158         New.
 159
 160 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
 161
 162         PR libstdc++/86127
 163         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
 164         unused typedef.
 165         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
 166         Use node allocator to create and destroy elements.
 167         (forward_list::_Tp_alloc_type): Remove unused typedef.
 168         (forward_list::_Alloc_traits): Use allocator_traits instead of
 169         __gnu_cxx::__alloc_traits.
 170
 171 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
 172
 173         * include/debug/helper_functions.h
 174         (__gnu_debug::_Safe_iterator<>): Add declaration.
 175         (__can_advance(_Ite, _Size)): New.
 176         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
 177         * include/debug/functions.h
 178         (__gnu_debug::_Safe_iterator<>): Remove declaration.
 179         * include/debug/stl_iterator.h
 180         (__can_advance(const _Safe_iterator<>&)): New definition.
 181         * include/debug/stl_iterator.h
 182         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
 183         (__can_advance(const std::move_iterator<>&, _Size)): New.
 184         * include/debug/macros.h (__glibcxx_check_can_increment): New.
 185         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
 186         * include/bits/stl_algobase.h (fill_n): Use latter.
 187         * testsuite/25_algorithms/fill_n/2.cc: New.
 188         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
 189         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
 190         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
 191         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
 192
 193         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
 194         (__glibcxx_requires_can_decrement_range): New.
 195
 196 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
 197
 198         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
 199         (__glibcxx_check_can_decrement_range): New.
 200         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
 201         __glibcxx_requires_can_increment_range.
 202         (std::move(_II, _II, _OI)): Likewise.
 203         (std::copy_backward(_BI, _BI, _BI2)): Use
 204         __glibcxx_requires_can_decrement_range.
 205         (std::move_backward(_BI, _BI, _BI2)): Likewise.
 206         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
 207         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
 208         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
 209         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
 210         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
 211         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
 212
 213 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
 214
 215         P0935R0 Eradicating unnecessarily explicit default constructors
 216         * include/bits/random.h (linear_congruential_engine)
 217         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
 218         (uniform_real_distribution, normal_distribution)
 219         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
 220         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
 221         (bernoulli_distribution, binomial_distribution,geometric_distribution)
 222         (negative_binomial_distribution, exponential_distribution)
 223         (weibull_distribution, extreme_value_distribution): Add non-explicit
 224         default constructors. Remove default argument for first parameter of
 225         explicit constructors.
 226         (piecewise_constant_distribution, piecewise_linear_distribution):
 227         Make default constructor non-explicit.
 228         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
 229         non-explicit default constructors. Remove default argument for first
 230         parameter of explicit constructor.
 231         * include/ext/random
 232         (simd_fast_mersenne_twister_engine, beta_distribution)
 233         (rice_distribution, nakagami_distribution, pareto_distribution)
 234         (k_distribution, arcsine_distribution, hoyt_distribution)
 235         (triangular_distribution, von_mises_distribution)
 236         (hypergeometric_distribution, logistic_distribution)
 237         (uniform_inside_sphere_distribution): Likewise.
 238         (uniform_on_sphere_distribution): Make default constructor
 239         non-explicit.
 240         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
 241         Test for non-explicit default constructor. Fix references to standard.
 242         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
 243         Likewise.
 244         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
 245         Likewise.
 246         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
 247         Likewise.
 248         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
 249         Likewise.
 250         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
 251         Likewise.
 252         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
 253         Likewise.
 254         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
 255         Likewise.
 256         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
 257         Likewise.
 258         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
 259         Likewise.
 260         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
 261         Likewise.
 262         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
 263         Likewise.
 264         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
 265         Likewise.
 266         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
 267         Likewise.
 268         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
 269         Likewise.
 270         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
 271         Likewise.
 272         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
 273         Likewise.
 274         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
 275         Likewise.
 276         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
 277         Likewise.
 278         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
 279         Likewise.
 280         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
 281         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
 282         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
 283         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
 284         Likewise.
 285         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
 286         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
 287         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
 288         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
 289         Likewise.
 290         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
 291         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
 292         * testsuite/ext/random/triangular_distribution/cons/default.cc:
 293         Likewise.
 294         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
 295         Likewise.
 296         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
 297         Likewise.
 298         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
 299         Likewise.
 300         * testsuite/util/testsuite_common_types.h
 301         (implicitly_default_constructible): New helper.
 302
 303 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
 304
 305         * include/bits/ios_base.h (ios::Init::Init(const Init&))
 306         (ios::Init::operator=): Define as defaulted.
 307         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
 308         Likewise.
 309         * include/bits/stream_iterator.h (istream_iterator::operator=)
 310         (ostream_iterator::operator=): Likewise.
 311         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
 312         Likewise.
 313         * include/std/bitset (bitset::reference::reference(const reference&)):
 314         Likewise.
 315         * include/std/complex (complex<float>::complex(const complex&))
 316         (complex<double>::complex(const complex&))
 317         (complex<long double>::complex(const complex&)): Likewise.
 318
 319 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
 320
 321         * include/bits/regex.h (sub_match): Add noexcept to default
 322         constructor and length observer.
 323         (match_results): Add noexcept to default constructor and observers
 324         with no preconditions. Define destructor as defaulted.
 325         (operator==, operator!=, swap): Add noexcept.
 326         (regex_iterator): Add default member initializers and define default
 327         constructor and destructor as defaulted. Add noexcept to equality
 328         and dereference operators.
 329
 330 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
 331
 332         * src/c++11/debug.cc
 333         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
 334         (_Safe_iterator_base::_M_detach_single()): Likewise.
 335         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
 336         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
 337
 338 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
 339
 340         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
 341         move of const value.
 342
 343 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
 344
 345         PR c++/86068
 346         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
 347         rather than __cpp_transactional_memory >= 201505L.
 348
 349 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
 350
 351         PR libstdc++/86008
 352         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
 353         Define new partial specialization.
 354         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
 355         new overload.
 356         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
 357         value not reference for iteration.
 358         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
 359         comment.
 360         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
 361         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
 362         comment.
 363
 364 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
 365
 366         * include/std/type_traits: Fix comment typos.
 367
 368         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
 369         mingw* targets.
 370         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
 371         * testsuite/experimental/filesystem/operations/read_symlink.cc:
 372         Likewise.
 373
 374 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
 375
 376         * include/bits/stl_tempbuf.h
 377         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
 378         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
 379         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
 380         * include/bits/stl_algo.h (__stable_partition): Adapt.
 381         (__inplace_merge): Adapt.
 382         (__stable_sort): Adapt.
 383
 384 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
 385
 386         PR libstdc++/85930
 387         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
 388         unconditionally. Remove redundant declaration.
 389         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
 390         alignment-specifier.
 391
 392         * include/bits/postypes.h (fpos): Define special members as defaulted.
 393
 394         PR libstdc++/85930
 395         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
 396         the static variable correctly.
 397
 398 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
 399
 400         PR libstdc++/78870 support std::filesystem on Windows
 401         * config.h.in: Regenerate.
 402         * configure: Regenerate.
 403         * configure.ac: Check for link, readlink and symlink.
 404         * include/bits/fs_path.h (path::operator/=(const path&)): Move
 405         definition out of class body.
 406         (path::is_absolute(), path::_M_append(path)): Likewise.
 407         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
 408         (operator>>(basic_istream, path&)): Likewise.
 409         (u8path): Reorder definitions and fix Windows implementation.
 410         (path::is_absolute()): Define inline and fix for Windows.
 411         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
 412         Define POSIX version inline.
 413         (path::_M_append(path)): Define inline.
 414         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
 415         definition out of class body.
 416         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
 417         escape characters.
 418         (operator>>(basic_istream, path&)): Likewise.
 419         (path::is_absolute()): Define inline and fix for Windows.
 420         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
 421         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
 422         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
 423         Define as adaptors for Windows functions/types or as
 424         using-declarations for POSIX functions/types.
 425         (_Dir_base, get_file_type): Qualify names to use declarations from
 426         __gnu_posix namespace.
 427         (_Dir_base::is_dor_or_dotdot): New helper functions.
 428         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
 429         names to use declarations from __gnu_posix namespace.
 430         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
 431         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
 432         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
 433         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
 434         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
 435         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
 436         Define as adaptors for Windows functions/types or as
 437         using-declarations for POSIX functions/types.
 438         (stat_type, do_copy_file): Qualify names to use declarations from
 439         __gnu_posix namespace.
 440         (do_space): Declare new function.
 441         (make_file_type): Only use S_ISLNK if defined.
 442         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
 443         path::value_type not char.
 444         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
 445         names to use declarations from __gnu_posix namespace.
 446         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
 447         add implementation for Windows.
 448         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
 449         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
 450         [!_PC_PATH_MAX]: Don't use pathconf.
 451         [PATH_MAX]: Use if defined.
 452         (filesystem::current_path(const path&, error_code&))
 453         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
 454         (filesystem::last_write_time, filesystem::permissions): Use names
 455         from __gnu_posix.
 456         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
 457         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
 458         implementation for Windows.
 459         (filesystem::rename, filesystem::resize_file): Use names from
 460         __gnu_posix.
 461         (filesystem::space): Use do_space.
 462         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
 463         (filesystem::status, filesystem::symlink_status): Use names from
 464         __gnu_posix.
 465         (filesystem::temp_directory_path): Add implementation for Windows.
 466         * src/filesystem/path.cc (dot): Define constant.
 467         (path::replace_extension): Use dot.
 468         (path::_M_find_extension): Likewise. Use path::string_type not
 469         std::string.
 470         (path::_M_split_cmpts): Use dot.
 471         (filesystem_error::_M_get_what): Use u8string() not native().
 472         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
 473         Qualify names to use declarations from __gnu_posix namespace.
 474         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
 475         correct error_code.
 476         (filesystem::absolute(const path&, error_code&)): Add implementation
 477         for Windows.
 478         (char_ptr, filesystem::canonical): Use path::value_type not char.
 479         (do_copy_file): Use names from __gnu_posix.
 480         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
 481         sendfile.
 482         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
 483         names to use declarations from __gnu_posix namespace.
 484         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
 485         add implementation for Windows.
 486         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
 487         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
 488         [!_PC_PATH_MAX]: Don't use pathconf.
 489         [PATH_MAX]: Use if defined.
 490         (filesystem::current_path(const path&, error_code&))
 491         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
 492         (filesystem::last_write_time, filesystem::permissions): Use names
 493         from __gnu_posix.
 494         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
 495         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
 496         implementation for Windows.
 497         (filesystem::rename, filesystem::resize_file): Use names from
 498         __gnu_posix.
 499         (do_space): Define.
 500         (filesystem::space): Use do_space.
 501         (filesystem::status, filesystem::symlink_status): Use names from
 502         __gnu_posix.
 503         (filesystem::temp_directory_path): Add implementation for Windows.
 504         * src/filesystem/std-path.cc
 505         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
 506         Define for Windows.
 507         (dot): Define constant.
 508         (path::replace_extension, is_dot): Use dot.
 509         (path::lexically_normal): Check _M_type instead of calling
 510         non-existent function.
 511         (path::_M_find_extension): Use dot. Use path::string_type not
 512         std::string.
 513         (path::_M_split_cmpts): Use dot.
 514         (filesystem_error::_M_get_what): Use u8string() not native().
 515         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
 516         use symlinks.
 517         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
 518         Likewise.
 519         * testsuite/27_io/filesystem/operations/absolute.cc: Use
 520         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
 521         * testsuite/27_io/filesystem/operations/canonical.cc: Use
 522         path::string() to get narrow string, not path::native().
 523         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
 524         with std::filesystem::path not std::basic_string.
 525         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
 526         * testsuite/27_io/filesystem/operations/exists.cc: Use
 527         __gnu_test::root_path() instead of "/".
 528         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
 529         fstreams with std::filesystem::path not std::basic_string.
 530         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
 531         path::string() to get narrow string.
 532         * testsuite/27_io/filesystem/operations/space.cc: Check results for
 533         errors, expect sensible values otherwise.
 534         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
 535         helpers for adjusting the environment on Windows.
 536         * testsuite/27_io/filesystem/path/append/path.cc: Test
 537         Windows-specific behaviour.
 538         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
 539         of path::string_type objects.
 540         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
 541         string to wide string on Windows.
 542         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
 543         for backslash as root-directory.
 544         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
 545         path::string() to get narrow string.
 546         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
 547         paths.
 548         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
 549         not std::string.
 550         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
 551         different definintion of absolute paths on Windows.
 552         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
 553         Do not use symlinks.
 554         * testsuite/experimental/filesystem/operations/absolute.cc: Test
 555         Windows behaviour.
 556         * testsuite/experimental/filesystem/operations/copy.cc: Construct
 557         fstreams with NTCTS not std::basic_string.
 558         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
 559         * testsuite/experimental/filesystem/operations/exists.cc: Use
 560         __gnu_test::root_path() instead of "/".
 561         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
 562         fstreams with NTCTS not std::basic_string.
 563         * testsuite/experimental/filesystem/operations/last_write_time.cc:
 564         Use path::string() to get narrow string.
 565         * testsuite/experimental/filesystem/operations/space.cc: Use
 566         __gnu_test::root_path() instead of "/".
 567         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
 568         Add helpers for adjusting the environment on Windows.
 569         * testsuite/experimental/filesystem/path/append/path.cc: Use
 570         path::string() to get narrow strings for comparisons.
 571         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
 572         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
 573         Likewise.
 574         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
 575         * testsuite/experimental/filesystem/path/native/string.cc: Use
 576         string_type not std::string.
 577         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
 578         Adjust for different definintion of absolute paths on Windows.
 579         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
 580         function.
 581         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
 582         std::basic_string.
 583
 584 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
 585
 586         PR libstdc++/85951
 587         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
 588         uint_least16_t and uint_least32_t.
 589         (__make_unsigned<wchar_t>): Define unconditionally.
 590         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
 591         typedefs.
 592         (__make_unsigned_selector_base): New type to provide helper templates.
 593         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
 594         __make_unsigned_selector_base helpers.
 595         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
 596         (__make_signed_selector<_Tp, true, false>): Remove intermediate
 597         typedefs.
 598         (__make_signed<wchar_t>, __make_signed<char16_t>)
 599         (__make_signed<char32_t>)): Define unconditionally.
 600         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
 601         wchar_t, char16_t and char32_t are transformed correctly.
 602         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
 603         dg-error lineno.
 604         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
 605         wchar_t, char16_t and char32_t are transformed correctly.
 606         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
 607         dg-error lineno.
 608
 609 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
 610
 611         * include/std/variant (__erased_dtor): Qualify call to __get.
 612
 613 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
 614
 615         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
 616         (_Rb_tree(const allocator_type&)): Use latter.
 617         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
 618         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
 619         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
 620         * include/bits/stl_multimap.h
 621         (multimap(const allocator_type&)): Likewise.
 622         (multimap(initializer_list<value_type>, const allocator_type&)):
 623         Likewise.
 624         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
 625         Likewise.
 626         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
 627         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
 628         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
 629         * include/bits/stl_multiset.h
 630         (multiset(const allocator_type&)): Likewise.
 631         (multiset(initializer_list<value_type>, const allocator_type&)):
 632         Likewise.
 633         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
 634         Likewise.
 635
 636 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
 637
 638         PR libstdc++/85768
 639         * src/c++11/debug.cc: Remove backtrace usage.
 640
 641 2018-05-24  Maya Rashish  <coypu@sdf.org>
 642
 643         PR target/85904
 644         * crossconfig.m4: Test for aligned_alloc on netbsd.
 645         * configure: Regenerate.
 646
 647 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
 648
 649         PR libstdc++/69769
 650         PR libstdc++/85886
 651         * include/bits/atomic_base.h (__atomic_base::value_type)
 652         (__atomic_base::difference_type): Add new typedefs.
 653         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
 654         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
 655         (atomic<T*>::operator++, atomic<T*>::operator--)
 656         (atomic<T*>::operator+=, atomic<T*>::operator-=)
 657         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
 658         to enforce C++17 requirement on pointer arithmetic.
 659         (__atomic_val_t, __atomic_diff_t): New alias templates.
 660         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
 661         (atomic_compare_exchange_weak_explicit)
 662         (atomic_compare_exchange_strong_explicit, atomic_store)
 663         (atomic_exchange, atomic_compare_exchange_weak)
 664         (atomic_compare_exchange_strong): Use __atomic_val_t to make
 665         scalar parameters be non-deduced contexts.
 666         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
 667         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
 668         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
 669         parameters.
 670         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
 671         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
 672         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
 673         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
 674         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
 675         address types.
 676         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
 677         * testsuite/29_atomics/atomic/69769.cc: New test.
 678         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
 679         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
 680         Disable test for C++17 and later.
 681         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
 682         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
 683         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
 684         test.
 685
 686 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
 687
 688         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
 689         template to alias template.
 690         (path::__value_type_is_char): Use remove_const_t.
 691         (path:_S_string_from_iter): New helper function.
 692         (path::_S_convert(InputIter, __null_terminated))
 693         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
 694         Use _S_string_from_iter.
 695         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
 696         rep for COW strings.
 697         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
 698         Change from class template to alias template.
 699         (path::__value_type_is_char): Use remove_const.
 700         (path:_S_string_from_iter): New helper function.
 701         (path::_S_convert(InputIter, __null_terminated))
 702         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
 703         Use _S_string_from_iter.
 704         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
 705         wide strings.
 706         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
 707         string equality, not path equivalence.
 708         * testsuite/27_io/filesystem/path/construct/format.cc: Check
 709         construction from std::string and std::wstring and input iterators.
 710         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
 711         construction from iterators.
 712         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
 713         exact string equality, not path equivalence.
 714         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
 715         construction from iterators.
 716
 717         * include/bits/fs_path.h (path::_M_type): Change default member
 718         initializer to _Filename.
 719         (path::begin): Create past-the-end iterator for empty path.
 720         * src/filesystem/std-path.cc (path::remove_filename()): Remove
 721         debugging check.
 722         (path::has_relative_path()): Return false for empty filenames.
 723         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
 724         Fix offset of empty final component.
 725         * testsuite/27_io/filesystem/path/itr/components.cc: New.
 726         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
 727
 728 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 729
 730         Add support for opening file streams from wide character strings.
 731         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
 732         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 733         Define new overload.
 734         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
 735         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 736         Declare new overload.
 737         * configure.ac: Check for _wfopen.
 738         * crossconfig.m4: Likewise.
 739         * configure: Regenerate.
 740         * config.h.in: Regenerate.
 741         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
 742         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 743         Define new overload.
 744         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
 745         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 746         Declare new overload.
 747         [_GLIBCXX_HAVE__WFOPEN]
 748         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 749         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
 750         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 751         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
 752         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 753         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
 754         new overloads.
 755         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
 756         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
 757         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
 758         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
 759         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
 760         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
 761         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
 762
 763 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
 764
 765         PR libstdc++/85845
 766         * include/bits/stl_tree.h
 767         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
 768         qualification.
 769
 770 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 771
 772         * src/filesystem/std-ops.cc (absolute): Report an error for empty
 773         paths.
 774         (weakly_canonical(const path&)): Do not call canonical on empty path.
 775         (weakly_canonical(const path&, error_code&)): Likewise.
 776         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
 777
 778         PR libstdc++/85818
 779         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
 780         dg-require-filesystem-ts.
 781
 782         PR libstdc++/85843
 783         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
 784         initialize base class to avoid warnings.
 785
 786 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
 787
 788         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
 789         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
 790         little_endian element in bitmask.
 791         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
 792         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
 793
 794 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
 795
 796         * include/bits/stl_tree.h
 797         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
 798         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
 799         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
 800         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
 801         * include/debug/map.h
 802         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
 803         * include/debug/multimap.h
 804         (multimap(multimap&&, const_allocator_type&)): Likewise.
 805         * include/debug/set.h
 806         (set(set&&, const_allocator_type&)): Likewise.
 807         * include/debug/multiset.h
 808         (multiset(multiset&&, const_allocator_type&)): Likewise.
 809         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
 810         Add checks.
 811         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
 812         Add checks.
 813         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
 814         Add checks.
 815         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
 816         Add checks.
 817         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
 818         Add checks.
 819         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
 820         Add checks.
 821         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
 822         Add checks.
 823         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
 824         Add checks.
 825
 826 2018-05-18  Jason Merrill  <jason@redhat.com>
 827
 828         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
 829         for conversion to const_iterator.  Add defaulted copy ops.
 830         * libsupc++/new (bad_alloc): Add defaulted copy ops.
 831         * libsupc++/exception.h (exception): Add defaulted copy ops.
 832         * include/std/system_error (system_error): Add defaulted copy ops.
 833         * include/std/stdexcept (domain_error, invalid_argument)
 834         (length_error, out_of_range, range_error, overflow_error)
 835         (underflow_error): Add defaulted copy ops.
 836         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
 837         copy assignment.
 838         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
 839         * include/ext/throw_allocator.h (condition_base): Add defaulted
 840         default and copy ctor and copy assignment.
 841
 842 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
 843
 844         PR libstdc++/85098
 845         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
 846         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
 847         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
 848         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
 849         definitions.
 850         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
 851         whitespace.
 852         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
 853         braces around body of do-while.
 854         * testsuite/28_regex/basic_regex/85098.cc: New
 855
 856 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
 857
 858         PR libstdc++/85818
 859         * src/filesystem/path.cc (path::preferred_separator): Add used
 860         attribute.
 861         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
 862
 863         PR libstdc++/85812
 864         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
 865         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
 866         Refactor to separate non-throwing and throwing implementations.
 867         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
 868         if constructing the object throws.
 869
 870 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
 871
 872         PR libstdc++/85749
 873         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
 874         (linear_congruential_engine, mersenne_twister_engine)
 875         (subtract_with_carry_engine, discard_block_engine)
 876         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
 877         constrain function templates taking seed sequences.
 878         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
 879         (mersenne_twister_engine::seed(_Sseq&))
 880         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
 881         match declarations.
 882         * include/ext/random (simd_fast_mersenne_twister_engine): Use
 883         __is_seed_seq to constrain function templates taking seed sequences.
 884         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
 885         Change return type to match declaration.
 886         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
 887         New.
 888         * testsuite/26_numerics/random/independent_bits_engine/cons/
 889         seed_seq2.cc: New.
 890         * testsuite/26_numerics/random/linear_congruential_engine/cons/
 891         seed_seq2.cc: New.
 892         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
 893         seed_seq2.cc: New.
 894         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
 895         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
 896         New.
 897         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
 898         seed_seq2.cc: New.
 899         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
 900         seed_seq2.cc: New.
 901
 902         PR libstdc++/83891
 903         * include/bits/fs_path.h (path::is_absolute()): Use same definition
 904         for all operating systems.
 905         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
 906         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
 907         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
 908         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
 909
 910         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
 911         unused <vector> header.
 912         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
 913         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
 914         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
 915         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
 916         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
 917         Likewise.
 918         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
 919         Likewise.
 920         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
 921         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
 922         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
 923         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
 924         * testsuite/experimental/filesystem/path/decompose/extension.cc:
 925         Likewise.
 926         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
 927         * testsuite/experimental/filesystem/path/query/has_extension.cc:
 928         Likewise.
 929         * testsuite/experimental/filesystem/path/query/has_filename.cc:
 930         Likewise.
 931         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
 932         Likewise.
 933         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
 934         Likewise.
 935         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
 936         Likewise.
 937         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
 938         Likewise.
 939         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
 940         Likewise.
 941         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
 942         * testsuite/experimental/filesystem/path/query/is_relative.cc:
 943         Likewise.
 944
 945         PR libstdc++/84159
 946         * include/bits/fs_path.h (path::operator/=, path::append): Construct
 947         temporary path before calling _M_append.
 948         (path::_M_append): Change parameter to path and implement C++17
 949         semantics.
 950         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
 951         and more examples from the standard.
 952         * testsuite/27_io/filesystem/path/append/source.cc: New.
 953         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
 954         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
 955
 956         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
 957         __invoke to prevent ADL.
 958
 959 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
 960
 961         PR libstdc++/81256
 962         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
 963         exceptions from _M_terminate_output().
 964         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
 965         exceptions from close().
 966         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
 967
 968         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
 969         (__valarray_get_storage): Call operator new directly. Remove ignored
 970         top-level restrict qualifier and add malloc attribute instead.
 971         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
 972
 973         PR libstdc++/67554
 974         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
 975         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
 976
 977         PR libstdc++/82966
 978         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
 979         instead of type.
 980         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
 981
 982 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
 983
 984         PR libstdc++/80165
 985         * testsuite/20_util/variant/80165.cc: New.
 986
 987 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 988
 989         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
 990         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
 991         of C++11 containers with Debug Mode support.
 992         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
 993         * doc/html/*: Regenerate.
 994
 995 2018-05-10  Jason Merrill  <jason@redhat.com>
 996
 997         * include/bits/regex_compiler.h (_S_cache_size): Change from
 998         function to variable.
 999
1000 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
1001
1002         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
1003         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
1004         argument defaulted to +1.  Doxy comments on same.
1005         * testsuite/special_functions/02_assoc_legendre/
1006         check_value.cc: Regen.
1007         * testsuite/tr1/5_numerical_facilities/special_functions/
1008         02_assoc_legendre/check_value.cc: Regen.
1009
1010 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
1011
1012         PR libstdc++/85729
1013         * include/bits/c++config.h (__replacement_assert): Add linkage
1014         specification.
1015         * include/bits/std_abs.h: Add comment to closing brace of block.
1016         * include/c_global/cstddef: Add linkage specification.
1017         * include/c_global/cstring: Likewise.
1018         * include/c_global/cwchar: Likewise.
1019
1020 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
1021
1022         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
1023         Rename in...
1024         (_Safe_iterator<>::_S_constant()): ...that.
1025         * include/debug/safe_local_iterator.h
1026         (_Safe_local_iterator<>::_M_constant()): Rename in...
1027         (_Safe_local_iterator<>::_S_constant()): ...that.
1028         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
1029         (_Iterator_state::__rbegin): New.
1030         (_Iterator_state::__rmiddle): New.
1031         (_Iterator_state::__rend): New.
1032         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
1033         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
1034         iterator type.
1035         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
1036         _Is_iterator)): Likewise.
1037         (_Parameter::_S_reverse_state(_Iterator_state)): New.
1038         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
1039         _Is_iterator)): New.
1040         (_Parameter(std::reverse_iterator<> const&, const char*,
1041         _Is_iterator)): New.
1042         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
1043         const char*, _Is_iterator)): New.
1044         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
1045         New.
1046         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
1047         _Is_iterator)): New.
1048         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
1049         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
1050         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
1051
1052 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
1053
1054         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
1055         Use constexpr if in C++17 mode.
1056         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
1057         Copy from const object.
1058         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
1059
1060 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
1061
1062         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
1063         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
1064         backtrace.
1065
1066         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
1067         * include/debug/functions.h (__check_valid_range): Use latter.
1068         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
1069         use latter.
1070         * include/debug/deque
1071         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
1072         * include/debug/forward_list
1073         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
1074         Likewise.
1075         * include/debug/list
1076         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1077         * include/debug/list
1078         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1079         * include/debug/map.h
1080         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1081         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
1082         Likewise.
1083         * include/debug/multimap.h
1084         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1085         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
1086         const _Alloc&)): Likewise.
1087         * include/debug/set.h
1088         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1089         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
1090         Likewise.
1091         * include/debug/multiset.h
1092         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1093         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
1094         const _Alloc&)): Likewise.
1095         * include/debug/string
1096         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
1097         Likewise.
1098         * include/debug/unordered_map
1099         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
1100         Likewise.
1101         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
1102         const _Alloc&)): Likewise.
1103         * include/debug/unordered_set
1104         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
1105         Likewise.
1106         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
1107         const _Alloc&)): Likewise.
1108         * include/debug/vector
1109         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
1110
1111         * include/debug/formatter.h (_Error_formatter::_M_function): New.
1112         (_Error_formatter(const char*, unsigned int)): Adapt.
1113         (_Error_formatter::_M_at): Rename in...
1114         (_Error_formatter::_S_at): ...that and adapt.
1115         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
1116         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
1117         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
1118         when available.
1119
1120 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
1121
1122         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
1123         Use normal std::vector even in Debug Mode.
1124
1125         PR libstdc++/85672
1126         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
1127         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
1128         * include/Makefile.in: Regenerate.
1129         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
1130         within conditional block.
1131
1132 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
1133
1134         * doc/xml/manual/using.xml (table.cmd_options): Document that the
1135         C++17 Filesystem implementation also needs -lstdc++fs.
1136
1137         PR libstdc++/85671
1138         * include/bits/fs_path.h (operator/): Permit copy elision.
1139         * include/experimental/bits/fs_path.h (operator/): Likewise.
1140
1141 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
1142
1143         Moar PR libstdc++/80506
1144         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
1145         Fix magic number used in loop condition.
1146
1147 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
1148
1149         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
1150         * include/std/optional (_Optional_payload): Add noexcept to default
1151         constructor. Re-indent.
1152         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
1153         constructor for copying disengaged payloads.
1154         (_Optional_payload<_Tp, true, false, true>): Likewise.
1155         (_Optional_payload<_Tp, true, true, false>): Likewise.
1156         (_Optional_payload<_Tp, true, false, false>): Likewise.
1157         * testsuite/20_util/optional/cons/85642.cc: New.
1158         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
1159
1160 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
1161
1162         PR libstdc++/82644
1163         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
1164         inline definitions instead of using-declarations.
1165         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
1166         * testsuite/tr1/5_numerical_facilities/special_functions/
1167         07_conf_hyperg/compile_cxx17.cc: New.
1168         * testsuite/tr1/5_numerical_facilities/special_functions/
1169         17_hyperg/compile_cxx17.cc: New.
1170
1171         PR libstdc++/84769
1172         * include/std/variant (visit): Qualify std::get call.
1173
1174         PR libstdc++/85632 use uintmax_t for arithmetic
1175         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
1176         arithmetic in result type.
1177         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
1178         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
1179         is greater than free space.
1180         * testsuite/experimental/filesystem/operations/space.cc: New.
1181
1182         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
1183         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
1184         New.
1185         * testsuite/20_util/remove_cvref/value.cc: New.
1186         * testsuite/20_util/remove_cvref/value_ext.cc: New.
1187
1188         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
1189         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
1190         (append(const basic_string&, size_type, size_type)
1191         (assign(const basic_string&, size_type, size_type)
1192         (insert(size_type, const basic_string&, size_type, size_type)
1193         (replace(size_type,size_type,const basic_string&,size_type,size_type)
1194         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
1195         Add default arguments (LWG 2268).
1196         [_GLIBCXX_USE_CXX11_ABI=0]
1197         (append(const basic_string&, size_type, size_type)
1198         (assign(const basic_string&, size_type, size_type)
1199         (insert(size_type, const basic_string&, size_type, size_type)
1200         (replace(size_type,size_type,const basic_string&,size_type,size_type)
1201         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
1202         Likewise.
1203         * testsuite/21_strings/basic_string/dr2268.cc: New test.
1204
1205         PR libstdc++/84535
1206         * include/std/thread (thread::__not_same): New SFINAE helper.
1207         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
1208         first argument is not a std::thread. Add static assertion to check
1209         INVOKE expression is valid.
1210         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
1211         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
1212         __invoke_result for return types and remove exception specifications.
1213         * testsuite/30_threads/thread/cons/84535.cc: New.
1214
1215         * include/std/future (__async_result_of): Use __invoke_result instead
1216         of result_of.
1217
1218         * include/std/any (any_cast): Use __remove_cvref_t.
1219         * include/std/tuple (__make_tuple): Likewise.
1220         * include/std/type_traits (__remove_cvref_t): Define.
1221         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
1222         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
1223         * include/std/variant (__erased_hash): Use __remove_cvref_t.
1224
1225 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
1226
1227         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
1228         ensure overloaded comma not used.
1229         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
1230         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
1231         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
1232         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
1233         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
1234         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
1235         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
1236
1237 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
1238
1239         PR libstdc++/68197
1240         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
1241         indices to unsigned.
1242         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
1243         as failure. Refactor error handling.
1244         * testsuite/27_io/ios_base/storage/68197.cc: New.
1245
1246         PR libstdc++/57997
1247         PR libstdc++/83860
1248         * include/bits/gslice_array.h (gslice_array): Define default
1249         constructor as deleted, as per C++11 standard.
1250         * include/bits/mask_array.h (mask_array): Likewise.
1251         * include/bits/slice_array.h (slice_array): Likewise.
1252         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
1253         to namespace __detail.
1254         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
1255         members.
1256         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
1257         of data members in closure objects.
1258         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
1259         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
1260         __detail.
1261         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
1262         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
1263         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
1264         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
1265         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
1266         using-declarations to namespace std.
1267         * testsuite/26_numerics/valarray/83860.cc: New.
1268
1269         * testsuite/backward/strstream_move.cc: Remove duplicate function
1270         call.
1271
1272         PR libstdc++/69608
1273         * include/backward/strstream (strstreambuf): Define move constructor
1274         and move assignment operator.
1275         (istrstream, ostrstream, strstream): Likewise.
1276         * testsuite/backward/strstream_move.cc: New.
1277
1278 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
1279
1280         PR libstdc++/84654
1281         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
1282         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
1283         * configure: Regenerate.
1284         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
1285         based on ENABLE_FLOAT128.
1286         * include/Makefile.in: Regenerate.
1287         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
1288         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
1289         _GLIBCXX_USE_FLOAT128.
1290
1291 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
1292
1293         * configure: Regenerated.
1294
1295 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
1296
1297         * configure: Regenerated.
1298
1299 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
1300             Jakub Jelinek  <jakub@redhat.com>
1301
1302         PR libstdc++/85442
1303         * src/c++11/Makefile.am: Don't generate debuginfo again for
1304         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
1305         * src/c++11/Makefile.in: Regenerate.
1306
1307 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
1308
1309         PR libstdc++/84442
1310         * testsuite/30_threads/thread/cons/terminate.cc
1311         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
1312
1313 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
1314
1315         PR jit/85384
1316         * configure: Regenerate.
1317
1318 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
1319
1320         * testsuite/experimental/filesystem/file_status/1.cc: Add
1321         -DUSE_FILESYSTEM_TS to dg-options.
1322         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
1323         Likewise.
1324         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
1325         * testsuite/experimental/filesystem/iterators/
1326         recursive_directory_iterator.cc: Likewise.
1327         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
1328         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
1329         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
1330         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
1331         * testsuite/experimental/filesystem/operations/create_directories.cc:
1332         Likewise.
1333         * testsuite/experimental/filesystem/operations/create_directory.cc:
1334         Likewise.
1335         * testsuite/experimental/filesystem/operations/create_symlink.cc:
1336         Likewise.
1337         * testsuite/experimental/filesystem/operations/current_path.cc:
1338         Likewise.
1339         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
1340         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
1341         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
1342         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
1343         * testsuite/experimental/filesystem/operations/last_write_time.cc:
1344         Likewise.
1345         * testsuite/experimental/filesystem/operations/permissions.cc:
1346         Likewise.
1347         * testsuite/experimental/filesystem/operations/read_symlink.cc:
1348         Likewise.
1349         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
1350         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
1351         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
1352         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
1353         Likewise.
1354         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
1355         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
1356         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
1357         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
1358         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
1359         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
1360         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
1361         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
1362         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
1363         * testsuite/experimental/filesystem/path/construct/default.cc:
1364         Likewise.
1365         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
1366         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
1367         * testsuite/experimental/filesystem/path/construct/string_view.cc:
1368         Likewise.
1369         * testsuite/experimental/filesystem/path/decompose/extension.cc:
1370         Likewise.
1371         * testsuite/experimental/filesystem/path/decompose/filename.cc:
1372         Likewise.
1373         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
1374         Likewise.
1375         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
1376         Likewise.
1377         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
1378         Likewise.
1379         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
1380         Likewise.
1381         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
1382         Likewise.
1383         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
1384         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
1385         Likewise.
1386         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
1387         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
1388         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
1389         Likewise.
1390         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
1391         Likewise.
1392         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
1393         Likewise.
1394         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
1395         Likewise.
1396         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
1397         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
1398         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
1399         Likewise.
1400         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
1401         * testsuite/experimental/filesystem/path/query/has_extension.cc:
1402         Likewise.
1403         * testsuite/experimental/filesystem/path/query/has_filename.cc:
1404         Likewise.
1405         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
1406         Likewise.
1407         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
1408         Likewise.
1409         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
1410         Likewise.
1411         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
1412         Likewise.
1413         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
1414         Likewise.
1415         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
1416         * testsuite/experimental/filesystem/path/query/is_relative.cc:
1417         Likewise.
1418
1419 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
1420
1421         * src/c++11/Makefile.am: Fix sed command.
1422         * src/c++11/Makefile.in: Regenerate.
1423
1424         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
1425         handle mangled names starting with double underscores on darwin.
1426         * src/c++11/Makefile.in: Regenerate.
1427
1428 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
1429
1430         * src/c++11/Makefile.am: Fix comment.
1431         * src/c++11/Makefile.in: Regenerate.
1432         * src/c++11/cxx11-ios_failure.cc: Fix comment.
1433         * src/c++98/ios_failure.cc: Likewise.
1434
1435         * src/c++11/ios.cc: Remove redundant macro definition.
1436
1437 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
1438
1439         * doc/xml/manual/abi.xml: Document header locations in recent
1440         releases.
1441         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
1442         * doc/xml/manual/spine.xml: Update copyright years.
1443         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
1444         undefined behaviour.
1445         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
1446         * doc/html/*: Regenerate.
1447
1448 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
1449
1450         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
1451         * doc/xml/manual/backwards_compatibility.xml: Likewise.
1452         * doc/xml/manual/containers.xml: Likewise.
1453         * doc/xml/manual/debug_mode.xml: Likewise.
1454         * doc/xml/manual/extensions.xml: Likewise.
1455         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
1456         * doc/xml/manual/using.xml: Likewise.
1457         * doc/xml/manual/utilities.xml: Likewise.
1458
1459         PR libstdc++/85222
1460         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
1461         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
1462         * src/c++11/Makefile.in: Regenerate.
1463         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
1464         New types.
1465         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
1466         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
1467         * src/c++98/ios_failure.cc (__construct_ios_failure)
1468         (__destroy_ios_failure, is_ios_failure_handler): New functions.
1469         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
1470         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
1471         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
1472         handler types, to always catch std::ios_base::failure.
1473         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
1474         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
1475         exceptions_failbit.cc: Likewise.
1476         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
1477         exceptions_failbit.cc: Likewise.
1478         * testsuite/27_io/basic_istream/extractors_other/char/
1479         exceptions_null.cc: Likewise.
1480         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
1481         exceptions_null.cc: Likewise.
1482         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
1483         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
1484         * testsuite/27_io/basic_ostream/inserters_other/char/
1485         exceptions_null.cc: Likewise.
1486         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
1487         exceptions_null.cc: Likewise.
1488         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
1489
1490 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
1491
1492         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
1493         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
1494
1495 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
1496
1497         PR libstdc++/85183
1498         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
1499         value categories.
1500         * testsuite/20_util/variant/85183.cc: New.
1501
1502 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
1503
1504         * include/std/variant (__get): Qualify calls to avoid ADL.
1505         (__select_index): Adjust whitespace.
1506         (variant): Add using-declaration to workaround Clang bug.
1507
1508 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
1509
1510         PR libstdc++/85040
1511         * include/bits/stl_function.h (greater::__not_overloaded)
1512         (less::__not_overloaded, greater_equal::__not_overloaded)
1513         (less_equal::__not_overloaded): Fix ambiguous specializations.
1514         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
1515         tests for type with overloaded operators.
1516
1517 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1518
1519         PR libstdc++/77691
1520         * testsuite/experimental/memory_resource/resource_adaptor.cc:
1521         xfail execution on 32-bit Solaris/x86.
1522
1523 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
1524
1525         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
1526         VERIFY instead of assert.
1527         * testsuite/20_util/hash/84998.cc: New test.
1528         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
1529         copy of test adjusted for Debug Mode.
1530         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
1531         test in Debug Mode.
1532
1533 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
1534
1535         PR libstdc++/84998
1536         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
1537         * include/std/bitset: Likewise.
1538         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
1539         declaration.
1540         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
1541         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
1542         * include/bits/stl_set.h (std::set<>): Likewise.
1543         * include/bits/unordered_map.h (std::unordered_map<>): Fix
1544         _Hash_merge_helper friend declaration.
1545         (std::unordered_multimap<>): Likewise.
1546         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
1547         (std::unordered_multiset<>): Likewise.
1548
1549 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
1550
1551         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
1552         trailing slash for domain level link.
1553         * doc/xml/faq.xml: Ditto.
1554         * doc/xml/manual/appendix_free.xml (software): Ditto.
1555         * doc/xml/manual/intro.xml: Ditto.
1556         * doc/xml/manual/spine.xml: Ditto.
1557         * doc/xml/spine.xml: Ditto.
1558
1559 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
1560
1561         * doc/xml/manual/documentation_hacking.xml: Adjust link to
1562         docbook.org.
1563
1564 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
1565
1566         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
1567         to compile as C++98.
1568
1569 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
1570
1571         PR libstdc++/78420
1572         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
1573         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
1574         to ensure total order for pointers.
1575         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
1576         Add operator() overloads for pointer arguments and make generic
1577         overloads dispatch to new _S_cmp functions when comparisons would
1578         use built-in operators for pointers.
1579         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
1580
1581 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
1582
1583         PR libstdc++/84773
1584         PR libstdc++/83662
1585         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
1586         * configure: Regenerate.
1587         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
1588         (aligned_alloc): Add using-declaration.
1589         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
1590
1591 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
1592
1593         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
1594         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
1595         registration.
1596
1597 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
1598
1599         PR libstdc++/84769
1600         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
1601         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
1602
1603         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
1604         src/filesystem/std-ops.cc (create_dir): Likewise.
1605
1606 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
1607
1608         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
1609         (StdListIteratorPrinter): Inherit from latter.
1610         (StdFwdListIteratorPrinter): New, inherit from latter.
1611         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
1612         when iterator has no associated container.
1613         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
1614         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
1615         registrations.
1616         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
1617         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
1618
1619 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
1620
1621         PR libstdc++/84601
1622         * include/std/optional (_Optional_payload): Split into multiple
1623         specializations that can handle different cases of trivial or
1624         non-trivial assignment operators.
1625         * testsuite/20_util/optional/84601.cc: New.
1626         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1627
1628 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
1629
1630         PR libstdc++/84671
1631         * include/bits/parse_numbers.h (_Number_help): Add partial
1632         specialization to handle digit separators. Adjust partial
1633         specialization for recursion temrination to require _Pow == 1ULL.
1634         * testsuite/20_util/duration/literals/84671.cc: New
1635
1636 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
1637
1638         Implement the missing bits of LWG 2769
1639         * include/std/any (any_cast(const any&)): Add static_assert.
1640         (any_cast(any&)): Likewise.
1641         (any_cast(any&&)): Likewise, and remove the handling
1642         for copyable-but-not-movable type.
1643         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
1644         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
1645         add new tests.
1646
1647 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
1648
1649         PR libstdc++/84532
1650         * include/std/thread (thread::__make_invoker): Construct tuple
1651         directly instead of using make_tuple.
1652         * testsuite/30_threads/async/84532.cc: New.
1653         * testsuite/30_threads/thread/84532.cc: New.
1654
1655 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
1656
1657         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
1658         (template<> __aligned_buffer): Define as __aligned_membuf alias.
1659
1660 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
1661
1662         PR target/84148
1663         * configure: Regenerate.
1664
1665 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
1666
1667         PR libstdc++/81797
1668         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
1669         * configure: Regenerate.
1670         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
1671         defined.
1672         * include/Makefile.in: Regenerate.
1673
1674 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
1675
1676         PR libstdc++/83833
1677         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1678         Add -ffloat-store to options for m68k and ia32.
1679
1680         * doc/xml/faq.xml: Update copyright years.
1681         * doc/html/*: Regenerate.
1682
1683         PR libstdc++/83658
1684         * include/std/any (any::__do_emplace): Only set _M_manager after
1685         constructing the contained object.
1686         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
1687         * testsuite/20_util/any/modifiers/83658.cc: New test.
1688
1689 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
1690
1691         PR libstdc++/81076
1692         * include/c_global/cstddef (__byte_operand): Define primary template.
1693         * testsuite/18_support/byte/81076.cc: New test.
1694
1695 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
1696
1697         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
1698         dg-options and dg-add-options order.
1699         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
1700         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
1701         Likewise.
1702         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
1703         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
1704         Likewise.
1705         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
1706         Likewise.
1707         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
1708         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
1709         Likewise.
1710         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
1711         Likewise.
1712         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
1713         Likewise.
1714         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
1715         Likewise.
1716         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
1717         Likewise.
1718         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
1719         Likewise.
1720         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
1721         Likewise.
1722         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
1723         Likewise.
1724         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
1725         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
1726         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
1727         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
1728         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
1729         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
1730         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
1731         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
1732         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
1733         Likewise.
1734         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
1735         Likewise.
1736         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
1737         Likewise.
1738         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
1739         Likewise.
1740
1741 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
1742
1743         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
1744         include linux/types.h when checking linux/random.h header.
1745         * config.h.in: Regenerate.
1746         * configure: Ditto.
1747         * src/c++11/random.cc: Conditionally include linux/types.h.
1748
1749 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1750
1751         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
1752
1753 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
1754
1755         PR libstdc++/83834
1756         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
1757         pattern with exact match for std::cerr.
1758
1759 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1760
1761         PR libstdc++/83833
1762         * include/bits/random.h (chi_squared_distribution::param): Update
1763         gamma distribution parameter.
1764         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
1765         test.
1766
1767         PR libstdc++/83830
1768         * include/std/type_traits (has_unique_object_representations_v): Add
1769         variable template.
1770         * testsuite/20_util/has_unique_object_representations/value.cc: Check
1771         variable template.
1772
1773 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
1774
1775         Make optional conditionally
1776         trivially_{copy,move}_{constructible,assignable}
1777         * include/std/optional (_Optional_payload): Fix the comment in
1778         the class head and turn into a primary and one specialization.
1779         (_Optional_payload::_M_engaged): Strike the NSDMI.
1780         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
1781         New.
1782         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
1783         Likewise.
1784         (_Optional_payload<_Tp, false>::_M_get): Likewise.
1785         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
1786         (_Optional_base_impl): Likewise.
1787         (_Optional_base): Turn into a primary and three specializations.
1788         (optional(nullopt)): Change the base init.
1789         * testsuite/20_util/optional/assignment/8.cc: New.
1790         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
1791         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1792
1793 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1794
1795         PR libstdc++/80276
1796         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
1797         (get_template_arg_list): New.
1798         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
1799         instead.
1800         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
1801         of strings and regular expressions.
1802         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
1803         (FilteringTypePrinter): Add docstring. Match using startswith. Use
1804         strip_inline_namespaces instead of strip_versioned_namespace.
1805         (add_one_type_printer): Prepend namespace to match argument.
1806         (register_type_printers): Add type printers for char16_t and char32_t
1807         string types and for types using cxx11 ABI. Update calls to
1808         add_one_template_type_printer to provide default argument dicts.
1809         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
1810         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
1811         basic_string<unsigned char> and basic_string<signed char>.
1812         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
1813         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
1814
1815 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
1816
1817         PR libstdc++/81092
1818         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1819
1820 2018-01-13  Tim Shen  <timshen@google.com>
1821
1822         PR libstdc++/83601
1823         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
1824         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
1825         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
1826
1827 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1828
1829         PR libstdc++/64054
1830         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
1831         Remove dg-xfail-run-if.
1832
1833 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
1834
1835         * include/bits/forward_list.h
1836         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
1837         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
1838         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
1839         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
1840         (_Fwd_list_impl()): Add noexcept qualification.
1841         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
1842         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
1843         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
1844         (_Fwd_list_base()): Default.
1845         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
1846         (_Fwd_list_base(_Fwd_list_base&&)): Default.
1847         (forward_list<>()): Default.
1848         (forward_list<>(forward_list&&)): Default.
1849         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
1850         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
1851         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
1852         * include/bits/forward_list.tcc
1853         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
1854         _M_impl._M_head move assignment.
1855         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
1856         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
1857
1858 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
1859
1860         PR libstdc++/80276
1861         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
1862         (UniquePointerPrinter): Print correct template argument, not type of
1863         the pointer.
1864         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
1865         a type.
1866         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
1867         array type.
1868         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
1869         weak_ptr of array types.
1870
1871 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
1872
1873         PR libstdc++/83709
1874         * include/bits/hashtable_policy.h
1875         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
1876         __first != __last.
1877         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
1878         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
1879         Add false_type parameter.
1880         (_Insert_base::insert): Adapt.
1881         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
1882         Adapt.
1883         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
1884          Add __n_elt parameter, defaulted to 1.
1885         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
1886         policy _M_need_rehash.
1887         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
1888         produce only 1 rehash if necessary.
1889         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
1890         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
1891
1892 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
1893             Jonathan Wakely  <jwakely@redhat.com>
1894
1895         PR libstdc++/59253 (partial)
1896         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
1897         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
1898         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
1899         children.
1900         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
1901         of unique_ptr printer.
1902         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
1903         output of shared_ptr printer.
1904
1905 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
1906
1907         PR libstdc++/83626
1908         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
1909         unnecessary symlink_status call.
1910         (remove_all(const path&, error_code&)): Use filesystem::remove.
1911         * src/filesystem/std-ops.cc: Likewise.
1912
1913         PR libstdc++/83279
1914         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
1915         sendfile.
1916
1917         PR libstdc++/83626
1918         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
1919         report an error for ENOENT.
1920         (remove_all(const path&)): Fix type of result variable.
1921         (remove_all(const path&, error_code&)): Use non-throwing increment
1922         for directory iterator. Call POSIX remove directly to avoid redundant
1923         calls to symlink_status. Do not report errors for ENOENT.
1924         * src/filesystem/std-ops.cc: Likewise.
1925         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
1926         overload.
1927         * testsuite/experimental/filesystem/operations/remove_all.cc:
1928         Likewise.
1929
1930 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
1931
1932         PR libstdc++/83626
1933         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
1934         redundant call to ec.clear().
1935         (remove_all(const path&, error_code&))): Do not return an error for
1936         non-existent paths.
1937         * src/filesystem/std-ops.cc: Likewise.
1938         * testsuite/27_io/filesystem/operations/remove.cc: New test.
1939         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
1940         results for non-existent paths.
1941         * testsuite/experimental/filesystem/operations/remove.cc: New test.
1942         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
1943         expected results for non-existent paths.
1944
1945         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
1946         check status_known once.
1947         * include/experimental/bits/fs_ops.h: Likewise.
1948
1949         PR libstdc++/83607
1950         * include/std/functional (__is_byte_like): New trait.
1951         (__is_std_equal_to): Remove.
1952         (__boyer_moore_base_t): Use __is_byte_like instead of
1953         __is_std_equal_to.
1954         * include/experimental/functional (__is_std_equal_to): Remove.
1955         (__boyer_moore_base_t): Use __is_byte_like instead of
1956         __is_std_equal_to.
1957         * testsuite/20_util/function_objects/83607.cc: New test.
1958
1959 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
1960
1961         Protect optional's deduction guide with the feature macro
1962         * include/std/optional: Use the feature macro.
1963
1964 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1965
1966         Update copyright years.
1967 \f
1968 Copyright (C) 2018 Free Software Foundation, Inc.
1969
1970 Copying and distribution of this file, with or without modification,
1971 are permitted in any medium without royalty provided the copyright
1972 notice and this notice are preserved.