libstdc++-v3/ChangeLog

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