libstdc++-v3/ChangeLog

   1 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * include/std/utility: Remove unused <exception> header.
   4
   5 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
   6
   7         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
   8         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
   9         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
  10         a specialization of std::pair.
  11         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
  12         pair elements are constructed correctly.
  13
  14         LWG 2989 hide path iostream operators from normal lookup
  15         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
  16         friends.
  17         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
  18
  19         LWG 3050 Fix cv-qualification of convertibility constraints
  20         * include/std/chrono (duration, operator*, operator/, operator%): Use
  21         const-qualified type as source type in is_convertible constraints.
  22         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
  23         * testsuite/20_util/duration/cons/dr3050.cc: New.
  24         * testsuite/20_util/duration/literals/range.cc: Rename to...
  25         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
  26         dg-error lineno.
  27
  28 2018-06-18  Maya Rashish  <coypu@sdf.org>
  29
  30         * crossconfig.m4: Handle OpenBSD just like NetBSD.
  31         * configure: Rebuilt.
  32
  33 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
  34
  35         P0754R2 <version> header
  36         * include/Makefile.am: Add new header.
  37         * include/Makefile.in: Regenerate.
  38         * include/bits/c++config: Change doxygen comment to suggest <version>
  39         instead of <iosfwd>.
  40         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
  41         unconditionally.  Add C++17 and C++20 headers.
  42         * include/std/version: New header.
  43         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
  44         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
  45         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
  46         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
  47         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
  48         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
  49         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
  50         New.
  51         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
  52         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
  53         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
  54         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
  55         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
  56         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
  57         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
  58         New.
  59         * testsuite/18_support/headers/version/macros.cc: New.
  60         * testsuite/18_support/headers/version/macros.cc: New.
  61
  62         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
  63         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
  64         symlink.
  65         * config.h.in: Regenerate.
  66         * configure: Regenerate.
  67         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
  68
  69         LWG 3035. std::allocator's constructors should be constexpr
  70         * include/bits/allocator.h (allocator): Add constexpr to constructors
  71         for C++2a. Replace dynamic exception specifications with NOTHROW
  72         macro.
  73         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
  74         NOTHROW.
  75         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
  76         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
  77         to constructors for C++2a.
  78         * include/ext/new_allocator.h (new_allocator): Likewise.
  79
  80 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
  81
  82         LWG 3076 basic_string CTAD ambiguity
  83         * doc/xml/manual/intro.xml: Document LWG 3076 change.
  84         * include/bits/basic_string.h
  85         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
  86         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
  87         template constrained by _RequireAllocator.
  88         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
  89         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
  90         Define.
  91         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
  92         deduction
  93         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
  94         Likewise.
  95
  96 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
  97
  98         PR libstdc++/86169
  99         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
 100         (basic_string::data()): Unshare string.
 101         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
 102         New.
 103
 104         * include/std/string_view (basic_string_view(const CharT*)): Remove
 105         check for null pointer and add nonnull attribute.
 106         (compare(const CharT*), compare(size_type, size_type, const CharT*))
 107         (find(const CharT*, size_type), rfind(const CharT*, size_type))
 108         (find_first_of(const CharT*, size_type))
 109         (find_last_of(const CharT*, size_type))
 110         (find_first_not_of(const CharT*, size_type))
 111         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
 112         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
 113         * testsuite/21_strings/basic_string_view/operations/compare/char/
 114         nonnull.cc: New.
 115         * testsuite/21_strings/basic_string_view/operations/find/char/
 116         nonnull.cc: New.
 117         * testsuite/21_strings/basic_string_view/operations/rfind/char/
 118         nonnull.cc: New.
 119
 120         PR libstdc++/86168
 121         * include/bits/random.h (random_device(const string&)): Remove
 122         default argument.
 123
 124         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
 125         define for C++17 and above.
 126
 127         LWG 2993 reference_wrapper<T> conversion from T&&
 128         * doc/xml/manual/intro.xml: Document LWG 2993 change.
 129         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
 130         (reference_wrapper(_Tp&&)): Remove.
 131         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
 132         template.
 133         (reference_wrapper): Add deduction guide.
 134         * testsuite/20_util/reference_wrapper/deduction.cc: New.
 135         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
 136
 137         LWG 3039 Unnecessary decay in thread and packaged_task
 138         * include/std/future (__constrain_pkgdtask): Replace with ...
 139         (packaged_task::__not_same): New alias template, using
 140         __remove_cvref_t instead of decay.
 141         * include/std/thread (thread::__not_same): Add comment.
 142
 143 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
 144
 145         LWG 3075 basic_string needs deduction guides from basic_string_view
 146         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
 147         deduction from string views.
 148         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
 149         Likewise.
 150
 151         LWG 3074 make scalar types non-deduced in valarray non-member functions
 152         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
 153         scalar parameters to be a non-deduced context.
 154         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
 155         whitespace.
 156         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
 157         * testsuite/26_numerics/valarray/transcend.cc: New.
 158
 159         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
 160         Move back to <utility>.
 161         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
 162         Restore to here.
 163
 164         P0935R0 Eradicating unnecessarily explicit default constructors
 165         * include/backward/strstream (strstreambuf): Add non-explicit default
 166         constructor.
 167         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
 168         Likewise.
 169         * include/bits/regex.h (match_results): Likewise.
 170         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
 171         default constructor.
 172         * testsuite/22_locale/conversions/string/1.cc: Likewise.
 173         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
 174         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
 175
 176         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
 177         macro from <utility> and change type to long.
 178         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
 179         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
 180         macro.
 181
 182         P0935R0 Eradicating unnecessarily explicit default constructors
 183         * include/bits/random.h (uniform_real_distribution::param_type)
 184         (normal_distribution::param_type, lognormal_distribution::param_type)
 185         (gamma_distribution::param_type, chi_squared_distribution::param_type)
 186         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
 187         (student_t_distribution::param_type)
 188         (bernoulli_distribution::param_type)
 189         (binomial_distribution::param_type)
 190         (geometric_distribution::param_type)
 191         (negative_binomial_distribution::param_type)
 192         (poisson_distribution::param_type)
 193         (exponential_distribution::param_type)
 194         (weibull_distribution::param_type)
 195         (extreme_value_distribution::param_type): Add non-explicit default
 196         constructors. Remove default argument for first parameter of explicit
 197         constructors.
 198         * include/bits/uniform_int_dist.h
 199         (uniform_int_distribution::param_type): Likewise.
 200         * include/ext/random
 201         (beta_distribution::param_type, rice_distribution::param_type)
 202         (nakagami_distribution::param_type, pareto_distribution::param_type)
 203         (k_distribution::param_type, arcsine_distribution::param_type)
 204         (hoyt_distribution::param_type, triangular_distribution::param_type)
 205         (von_mises_distribution::param_type)
 206         (hypergeometric_distribution::param_type)
 207         (logistic_distribution::param_type)
 208         (uniform_inside_sphere_distribution::param_type): Likewise.
 209         (uniform_on_sphere_distribution::param_type): Make default constructor
 210         non-explicit.
 211         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
 212         Test param_type for non-explicit default constructor.
 213         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
 214         Likewise.
 215         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
 216         Likewise.
 217         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
 218         Likewise.
 219         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
 220         Likewise.
 221         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
 222         Likewise.
 223         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
 224         Likewise.
 225         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
 226         Likewise.
 227         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
 228         Likewise.
 229         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
 230         Likewise.
 231         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
 232         Likewise.
 233         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
 234         Likewise.
 235         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
 236         Likewise.
 237         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
 238         Likewise.
 239         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
 240         Likewise.
 241         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
 242         Likewise.
 243         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
 244         Likewise.
 245         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
 246         Likewise.
 247         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
 248         Likewise.
 249         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
 250         Likewise.
 251         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
 252         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
 253         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
 254         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
 255         Likewise.
 256         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
 257         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
 258         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
 259         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
 260         Likewise.
 261         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
 262         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
 263         * testsuite/ext/random/triangular_distribution/cons/default.cc:
 264         Likewise.
 265         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
 266         Likewise.
 267         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
 268         Likewise.
 269         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
 270         Likewise.
 271
 272 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
 273             Jonathan Wakely  <jwakely@redhat.com>
 274
 275         PR libstdc++/83982
 276         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
 277         Default-construct new elements before moving existing ones.
 278         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
 279         New.
 280
 281 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
 282
 283         PR libstdc++/86127
 284         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
 285         unused typedef.
 286         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
 287         Use node allocator to create and destroy elements.
 288         (forward_list::_Tp_alloc_type): Remove unused typedef.
 289         (forward_list::_Alloc_traits): Use allocator_traits instead of
 290         __gnu_cxx::__alloc_traits.
 291
 292 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
 293
 294         * include/debug/helper_functions.h
 295         (__gnu_debug::_Safe_iterator<>): Add declaration.
 296         (__can_advance(_Ite, _Size)): New.
 297         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
 298         * include/debug/functions.h
 299         (__gnu_debug::_Safe_iterator<>): Remove declaration.
 300         * include/debug/stl_iterator.h
 301         (__can_advance(const _Safe_iterator<>&)): New definition.
 302         * include/debug/stl_iterator.h
 303         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
 304         (__can_advance(const std::move_iterator<>&, _Size)): New.
 305         * include/debug/macros.h (__glibcxx_check_can_increment): New.
 306         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
 307         * include/bits/stl_algobase.h (fill_n): Use latter.
 308         * testsuite/25_algorithms/fill_n/2.cc: New.
 309         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
 310         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
 311         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
 312         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
 313
 314         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
 315         (__glibcxx_requires_can_decrement_range): New.
 316
 317 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
 318
 319         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
 320         (__glibcxx_check_can_decrement_range): New.
 321         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
 322         __glibcxx_requires_can_increment_range.
 323         (std::move(_II, _II, _OI)): Likewise.
 324         (std::copy_backward(_BI, _BI, _BI2)): Use
 325         __glibcxx_requires_can_decrement_range.
 326         (std::move_backward(_BI, _BI, _BI2)): Likewise.
 327         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
 328         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
 329         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
 330         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
 331         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
 332         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
 333
 334 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
 335
 336         P0935R0 Eradicating unnecessarily explicit default constructors
 337         * include/bits/random.h (linear_congruential_engine)
 338         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
 339         (uniform_real_distribution, normal_distribution)
 340         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
 341         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
 342         (bernoulli_distribution, binomial_distribution,geometric_distribution)
 343         (negative_binomial_distribution, exponential_distribution)
 344         (weibull_distribution, extreme_value_distribution): Add non-explicit
 345         default constructors. Remove default argument for first parameter of
 346         explicit constructors.
 347         (piecewise_constant_distribution, piecewise_linear_distribution):
 348         Make default constructor non-explicit.
 349         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
 350         non-explicit default constructors. Remove default argument for first
 351         parameter of explicit constructor.
 352         * include/ext/random
 353         (simd_fast_mersenne_twister_engine, beta_distribution)
 354         (rice_distribution, nakagami_distribution, pareto_distribution)
 355         (k_distribution, arcsine_distribution, hoyt_distribution)
 356         (triangular_distribution, von_mises_distribution)
 357         (hypergeometric_distribution, logistic_distribution)
 358         (uniform_inside_sphere_distribution): Likewise.
 359         (uniform_on_sphere_distribution): Make default constructor
 360         non-explicit.
 361         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
 362         Test for non-explicit default constructor. Fix references to standard.
 363         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
 364         Likewise.
 365         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
 366         Likewise.
 367         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
 368         Likewise.
 369         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
 370         Likewise.
 371         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
 372         Likewise.
 373         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
 374         Likewise.
 375         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
 376         Likewise.
 377         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
 378         Likewise.
 379         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
 380         Likewise.
 381         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
 382         Likewise.
 383         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
 384         Likewise.
 385         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
 386         Likewise.
 387         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
 388         Likewise.
 389         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
 390         Likewise.
 391         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
 392         Likewise.
 393         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
 394         Likewise.
 395         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
 396         Likewise.
 397         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
 398         Likewise.
 399         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
 400         Likewise.
 401         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
 402         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
 403         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
 404         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
 405         Likewise.
 406         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
 407         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
 408         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
 409         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
 410         Likewise.
 411         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
 412         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
 413         * testsuite/ext/random/triangular_distribution/cons/default.cc:
 414         Likewise.
 415         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
 416         Likewise.
 417         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
 418         Likewise.
 419         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
 420         Likewise.
 421         * testsuite/util/testsuite_common_types.h
 422         (implicitly_default_constructible): New helper.
 423
 424 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
 425
 426         * include/bits/ios_base.h (ios::Init::Init(const Init&))
 427         (ios::Init::operator=): Define as defaulted.
 428         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
 429         Likewise.
 430         * include/bits/stream_iterator.h (istream_iterator::operator=)
 431         (ostream_iterator::operator=): Likewise.
 432         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
 433         Likewise.
 434         * include/std/bitset (bitset::reference::reference(const reference&)):
 435         Likewise.
 436         * include/std/complex (complex<float>::complex(const complex&))
 437         (complex<double>::complex(const complex&))
 438         (complex<long double>::complex(const complex&)): Likewise.
 439
 440 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
 441
 442         * include/bits/regex.h (sub_match): Add noexcept to default
 443         constructor and length observer.
 444         (match_results): Add noexcept to default constructor and observers
 445         with no preconditions. Define destructor as defaulted.
 446         (operator==, operator!=, swap): Add noexcept.
 447         (regex_iterator): Add default member initializers and define default
 448         constructor and destructor as defaulted. Add noexcept to equality
 449         and dereference operators.
 450
 451 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
 452
 453         * src/c++11/debug.cc
 454         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
 455         (_Safe_iterator_base::_M_detach_single()): Likewise.
 456         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
 457         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
 458
 459 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
 460
 461         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
 462         move of const value.
 463
 464 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
 465
 466         PR c++/86068
 467         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
 468         rather than __cpp_transactional_memory >= 201505L.
 469
 470 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
 471
 472         PR libstdc++/86008
 473         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
 474         Define new partial specialization.
 475         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
 476         new overload.
 477         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
 478         value not reference for iteration.
 479         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
 480         comment.
 481         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
 482         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
 483         comment.
 484
 485 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
 486
 487         * include/std/type_traits: Fix comment typos.
 488
 489         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
 490         mingw* targets.
 491         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
 492         * testsuite/experimental/filesystem/operations/read_symlink.cc:
 493         Likewise.
 494
 495 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
 496
 497         * include/bits/stl_tempbuf.h
 498         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
 499         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
 500         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
 501         * include/bits/stl_algo.h (__stable_partition): Adapt.
 502         (__inplace_merge): Adapt.
 503         (__stable_sort): Adapt.
 504
 505 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
 506
 507         PR libstdc++/85930
 508         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
 509         unconditionally. Remove redundant declaration.
 510         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
 511         alignment-specifier.
 512
 513         * include/bits/postypes.h (fpos): Define special members as defaulted.
 514
 515         PR libstdc++/85930
 516         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
 517         the static variable correctly.
 518
 519 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
 520
 521         PR libstdc++/78870 support std::filesystem on Windows
 522         * config.h.in: Regenerate.
 523         * configure: Regenerate.
 524         * configure.ac: Check for link, readlink and symlink.
 525         * include/bits/fs_path.h (path::operator/=(const path&)): Move
 526         definition out of class body.
 527         (path::is_absolute(), path::_M_append(path)): Likewise.
 528         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
 529         (operator>>(basic_istream, path&)): Likewise.
 530         (u8path): Reorder definitions and fix Windows implementation.
 531         (path::is_absolute()): Define inline and fix for Windows.
 532         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
 533         Define POSIX version inline.
 534         (path::_M_append(path)): Define inline.
 535         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
 536         definition out of class body.
 537         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
 538         escape characters.
 539         (operator>>(basic_istream, path&)): Likewise.
 540         (path::is_absolute()): Define inline and fix for Windows.
 541         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
 542         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
 543         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
 544         Define as adaptors for Windows functions/types or as
 545         using-declarations for POSIX functions/types.
 546         (_Dir_base, get_file_type): Qualify names to use declarations from
 547         __gnu_posix namespace.
 548         (_Dir_base::is_dor_or_dotdot): New helper functions.
 549         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
 550         names to use declarations from __gnu_posix namespace.
 551         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
 552         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
 553         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
 554         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
 555         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
 556         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
 557         Define as adaptors for Windows functions/types or as
 558         using-declarations for POSIX functions/types.
 559         (stat_type, do_copy_file): Qualify names to use declarations from
 560         __gnu_posix namespace.
 561         (do_space): Declare new function.
 562         (make_file_type): Only use S_ISLNK if defined.
 563         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
 564         path::value_type not char.
 565         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
 566         names to use declarations from __gnu_posix namespace.
 567         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
 568         add implementation for Windows.
 569         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
 570         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
 571         [!_PC_PATH_MAX]: Don't use pathconf.
 572         [PATH_MAX]: Use if defined.
 573         (filesystem::current_path(const path&, error_code&))
 574         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
 575         (filesystem::last_write_time, filesystem::permissions): Use names
 576         from __gnu_posix.
 577         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
 578         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
 579         implementation for Windows.
 580         (filesystem::rename, filesystem::resize_file): Use names from
 581         __gnu_posix.
 582         (filesystem::space): Use do_space.
 583         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
 584         (filesystem::status, filesystem::symlink_status): Use names from
 585         __gnu_posix.
 586         (filesystem::temp_directory_path): Add implementation for Windows.
 587         * src/filesystem/path.cc (dot): Define constant.
 588         (path::replace_extension): Use dot.
 589         (path::_M_find_extension): Likewise. Use path::string_type not
 590         std::string.
 591         (path::_M_split_cmpts): Use dot.
 592         (filesystem_error::_M_get_what): Use u8string() not native().
 593         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
 594         Qualify names to use declarations from __gnu_posix namespace.
 595         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
 596         correct error_code.
 597         (filesystem::absolute(const path&, error_code&)): Add implementation
 598         for Windows.
 599         (char_ptr, filesystem::canonical): Use path::value_type not char.
 600         (do_copy_file): Use names from __gnu_posix.
 601         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
 602         sendfile.
 603         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
 604         names to use declarations from __gnu_posix namespace.
 605         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
 606         add implementation for Windows.
 607         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
 608         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
 609         [!_PC_PATH_MAX]: Don't use pathconf.
 610         [PATH_MAX]: Use if defined.
 611         (filesystem::current_path(const path&, error_code&))
 612         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
 613         (filesystem::last_write_time, filesystem::permissions): Use names
 614         from __gnu_posix.
 615         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
 616         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
 617         implementation for Windows.
 618         (filesystem::rename, filesystem::resize_file): Use names from
 619         __gnu_posix.
 620         (do_space): Define.
 621         (filesystem::space): Use do_space.
 622         (filesystem::status, filesystem::symlink_status): Use names from
 623         __gnu_posix.
 624         (filesystem::temp_directory_path): Add implementation for Windows.
 625         * src/filesystem/std-path.cc
 626         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
 627         Define for Windows.
 628         (dot): Define constant.
 629         (path::replace_extension, is_dot): Use dot.
 630         (path::lexically_normal): Check _M_type instead of calling
 631         non-existent function.
 632         (path::_M_find_extension): Use dot. Use path::string_type not
 633         std::string.
 634         (path::_M_split_cmpts): Use dot.
 635         (filesystem_error::_M_get_what): Use u8string() not native().
 636         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
 637         use symlinks.
 638         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
 639         Likewise.
 640         * testsuite/27_io/filesystem/operations/absolute.cc: Use
 641         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
 642         * testsuite/27_io/filesystem/operations/canonical.cc: Use
 643         path::string() to get narrow string, not path::native().
 644         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
 645         with std::filesystem::path not std::basic_string.
 646         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
 647         * testsuite/27_io/filesystem/operations/exists.cc: Use
 648         __gnu_test::root_path() instead of "/".
 649         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
 650         fstreams with std::filesystem::path not std::basic_string.
 651         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
 652         path::string() to get narrow string.
 653         * testsuite/27_io/filesystem/operations/space.cc: Check results for
 654         errors, expect sensible values otherwise.
 655         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
 656         helpers for adjusting the environment on Windows.
 657         * testsuite/27_io/filesystem/path/append/path.cc: Test
 658         Windows-specific behaviour.
 659         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
 660         of path::string_type objects.
 661         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
 662         string to wide string on Windows.
 663         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
 664         for backslash as root-directory.
 665         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
 666         path::string() to get narrow string.
 667         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
 668         paths.
 669         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
 670         not std::string.
 671         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
 672         different definintion of absolute paths on Windows.
 673         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
 674         Do not use symlinks.
 675         * testsuite/experimental/filesystem/operations/absolute.cc: Test
 676         Windows behaviour.
 677         * testsuite/experimental/filesystem/operations/copy.cc: Construct
 678         fstreams with NTCTS not std::basic_string.
 679         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
 680         * testsuite/experimental/filesystem/operations/exists.cc: Use
 681         __gnu_test::root_path() instead of "/".
 682         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
 683         fstreams with NTCTS not std::basic_string.
 684         * testsuite/experimental/filesystem/operations/last_write_time.cc:
 685         Use path::string() to get narrow string.
 686         * testsuite/experimental/filesystem/operations/space.cc: Use
 687         __gnu_test::root_path() instead of "/".
 688         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
 689         Add helpers for adjusting the environment on Windows.
 690         * testsuite/experimental/filesystem/path/append/path.cc: Use
 691         path::string() to get narrow strings for comparisons.
 692         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
 693         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
 694         Likewise.
 695         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
 696         * testsuite/experimental/filesystem/path/native/string.cc: Use
 697         string_type not std::string.
 698         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
 699         Adjust for different definintion of absolute paths on Windows.
 700         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
 701         function.
 702         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
 703         std::basic_string.
 704
 705 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
 706
 707         PR libstdc++/85951
 708         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
 709         uint_least16_t and uint_least32_t.
 710         (__make_unsigned<wchar_t>): Define unconditionally.
 711         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
 712         typedefs.
 713         (__make_unsigned_selector_base): New type to provide helper templates.
 714         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
 715         __make_unsigned_selector_base helpers.
 716         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
 717         (__make_signed_selector<_Tp, true, false>): Remove intermediate
 718         typedefs.
 719         (__make_signed<wchar_t>, __make_signed<char16_t>)
 720         (__make_signed<char32_t>)): Define unconditionally.
 721         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
 722         wchar_t, char16_t and char32_t are transformed correctly.
 723         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
 724         dg-error lineno.
 725         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
 726         wchar_t, char16_t and char32_t are transformed correctly.
 727         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
 728         dg-error lineno.
 729
 730 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
 731
 732         * include/std/variant (__erased_dtor): Qualify call to __get.
 733
 734 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
 735
 736         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
 737         (_Rb_tree(const allocator_type&)): Use latter.
 738         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
 739         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
 740         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
 741         * include/bits/stl_multimap.h
 742         (multimap(const allocator_type&)): Likewise.
 743         (multimap(initializer_list<value_type>, const allocator_type&)):
 744         Likewise.
 745         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
 746         Likewise.
 747         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
 748         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
 749         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
 750         * include/bits/stl_multiset.h
 751         (multiset(const allocator_type&)): Likewise.
 752         (multiset(initializer_list<value_type>, const allocator_type&)):
 753         Likewise.
 754         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
 755         Likewise.
 756
 757 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
 758
 759         PR libstdc++/85768
 760         * src/c++11/debug.cc: Remove backtrace usage.
 761
 762 2018-05-24  Maya Rashish  <coypu@sdf.org>
 763
 764         PR target/85904
 765         * crossconfig.m4: Test for aligned_alloc on netbsd.
 766         * configure: Regenerate.
 767
 768 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
 769
 770         PR libstdc++/69769
 771         PR libstdc++/85886
 772         * include/bits/atomic_base.h (__atomic_base::value_type)
 773         (__atomic_base::difference_type): Add new typedefs.
 774         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
 775         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
 776         (atomic<T*>::operator++, atomic<T*>::operator--)
 777         (atomic<T*>::operator+=, atomic<T*>::operator-=)
 778         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
 779         to enforce C++17 requirement on pointer arithmetic.
 780         (__atomic_val_t, __atomic_diff_t): New alias templates.
 781         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
 782         (atomic_compare_exchange_weak_explicit)
 783         (atomic_compare_exchange_strong_explicit, atomic_store)
 784         (atomic_exchange, atomic_compare_exchange_weak)
 785         (atomic_compare_exchange_strong): Use __atomic_val_t to make
 786         scalar parameters be non-deduced contexts.
 787         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
 788         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
 789         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
 790         parameters.
 791         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
 792         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
 793         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
 794         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
 795         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
 796         address types.
 797         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
 798         * testsuite/29_atomics/atomic/69769.cc: New test.
 799         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
 800         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
 801         Disable test for C++17 and later.
 802         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
 803         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
 804         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
 805         test.
 806
 807 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
 808
 809         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
 810         template to alias template.
 811         (path::__value_type_is_char): Use remove_const_t.
 812         (path:_S_string_from_iter): New helper function.
 813         (path::_S_convert(InputIter, __null_terminated))
 814         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
 815         Use _S_string_from_iter.
 816         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
 817         rep for COW strings.
 818         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
 819         Change from class template to alias template.
 820         (path::__value_type_is_char): Use remove_const.
 821         (path:_S_string_from_iter): New helper function.
 822         (path::_S_convert(InputIter, __null_terminated))
 823         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
 824         Use _S_string_from_iter.
 825         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
 826         wide strings.
 827         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
 828         string equality, not path equivalence.
 829         * testsuite/27_io/filesystem/path/construct/format.cc: Check
 830         construction from std::string and std::wstring and input iterators.
 831         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
 832         construction from iterators.
 833         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
 834         exact string equality, not path equivalence.
 835         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
 836         construction from iterators.
 837
 838         * include/bits/fs_path.h (path::_M_type): Change default member
 839         initializer to _Filename.
 840         (path::begin): Create past-the-end iterator for empty path.
 841         * src/filesystem/std-path.cc (path::remove_filename()): Remove
 842         debugging check.
 843         (path::has_relative_path()): Return false for empty filenames.
 844         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
 845         Fix offset of empty final component.
 846         * testsuite/27_io/filesystem/path/itr/components.cc: New.
 847         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
 848
 849 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 850
 851         Add support for opening file streams from wide character strings.
 852         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
 853         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 854         Define new overload.
 855         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
 856         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
 857         Declare new overload.
 858         * configure.ac: Check for _wfopen.
 859         * crossconfig.m4: Likewise.
 860         * configure: Regenerate.
 861         * config.h.in: Regenerate.
 862         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
 863         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 864         Define new overload.
 865         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
 866         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
 867         Declare new overload.
 868         [_GLIBCXX_HAVE__WFOPEN]
 869         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 870         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
 871         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 872         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
 873         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
 874         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
 875         new overloads.
 876         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
 877         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
 878         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
 879         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
 880         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
 881         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
 882         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
 883
 884 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
 885
 886         PR libstdc++/85845
 887         * include/bits/stl_tree.h
 888         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
 889         qualification.
 890
 891 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 892
 893         * src/filesystem/std-ops.cc (absolute): Report an error for empty
 894         paths.
 895         (weakly_canonical(const path&)): Do not call canonical on empty path.
 896         (weakly_canonical(const path&, error_code&)): Likewise.
 897         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
 898
 899         PR libstdc++/85818
 900         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
 901         dg-require-filesystem-ts.
 902
 903         PR libstdc++/85843
 904         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
 905         initialize base class to avoid warnings.
 906
 907 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
 908
 909         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
 910         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
 911         little_endian element in bitmask.
 912         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
 913         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
 914
 915 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
 916
 917         * include/bits/stl_tree.h
 918         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
 919         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
 920         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
 921         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
 922         * include/debug/map.h
 923         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
 924         * include/debug/multimap.h
 925         (multimap(multimap&&, const_allocator_type&)): Likewise.
 926         * include/debug/set.h
 927         (set(set&&, const_allocator_type&)): Likewise.
 928         * include/debug/multiset.h
 929         (multiset(multiset&&, const_allocator_type&)): Likewise.
 930         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
 931         Add checks.
 932         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
 933         Add checks.
 934         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
 935         Add checks.
 936         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
 937         Add checks.
 938         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
 939         Add checks.
 940         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
 941         Add checks.
 942         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
 943         Add checks.
 944         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
 945         Add checks.
 946
 947 2018-05-18  Jason Merrill  <jason@redhat.com>
 948
 949         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
 950         for conversion to const_iterator.  Add defaulted copy ops.
 951         * libsupc++/new (bad_alloc): Add defaulted copy ops.
 952         * libsupc++/exception.h (exception): Add defaulted copy ops.
 953         * include/std/system_error (system_error): Add defaulted copy ops.
 954         * include/std/stdexcept (domain_error, invalid_argument)
 955         (length_error, out_of_range, range_error, overflow_error)
 956         (underflow_error): Add defaulted copy ops.
 957         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
 958         copy assignment.
 959         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
 960         * include/ext/throw_allocator.h (condition_base): Add defaulted
 961         default and copy ctor and copy assignment.
 962
 963 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
 964
 965         PR libstdc++/85098
 966         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
 967         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
 968         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
 969         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
 970         definitions.
 971         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
 972         whitespace.
 973         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
 974         braces around body of do-while.
 975         * testsuite/28_regex/basic_regex/85098.cc: New
 976
 977 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
 978
 979         PR libstdc++/85818
 980         * src/filesystem/path.cc (path::preferred_separator): Add used
 981         attribute.
 982         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
 983
 984         PR libstdc++/85812
 985         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
 986         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
 987         Refactor to separate non-throwing and throwing implementations.
 988         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
 989         if constructing the object throws.
 990
 991 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
 992
 993         PR libstdc++/85749
 994         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
 995         (linear_congruential_engine, mersenne_twister_engine)
 996         (subtract_with_carry_engine, discard_block_engine)
 997         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
 998         constrain function templates taking seed sequences.
 999         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
1000         (mersenne_twister_engine::seed(_Sseq&))
1001         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
1002         match declarations.
1003         * include/ext/random (simd_fast_mersenne_twister_engine): Use
1004         __is_seed_seq to constrain function templates taking seed sequences.
1005         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
1006         Change return type to match declaration.
1007         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
1008         New.
1009         * testsuite/26_numerics/random/independent_bits_engine/cons/
1010         seed_seq2.cc: New.
1011         * testsuite/26_numerics/random/linear_congruential_engine/cons/
1012         seed_seq2.cc: New.
1013         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
1014         seed_seq2.cc: New.
1015         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
1016         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
1017         New.
1018         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
1019         seed_seq2.cc: New.
1020         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
1021         seed_seq2.cc: New.
1022
1023         PR libstdc++/83891
1024         * include/bits/fs_path.h (path::is_absolute()): Use same definition
1025         for all operating systems.
1026         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
1027         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
1028         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
1029         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
1030
1031         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
1032         unused <vector> header.
1033         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
1034         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
1035         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
1036         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
1037         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
1038         Likewise.
1039         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
1040         Likewise.
1041         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
1042         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
1043         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
1044         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
1045         * testsuite/experimental/filesystem/path/decompose/extension.cc:
1046         Likewise.
1047         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
1048         * testsuite/experimental/filesystem/path/query/has_extension.cc:
1049         Likewise.
1050         * testsuite/experimental/filesystem/path/query/has_filename.cc:
1051         Likewise.
1052         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
1053         Likewise.
1054         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
1055         Likewise.
1056         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
1057         Likewise.
1058         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
1059         Likewise.
1060         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
1061         Likewise.
1062         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
1063         * testsuite/experimental/filesystem/path/query/is_relative.cc:
1064         Likewise.
1065
1066         PR libstdc++/84159
1067         * include/bits/fs_path.h (path::operator/=, path::append): Construct
1068         temporary path before calling _M_append.
1069         (path::_M_append): Change parameter to path and implement C++17
1070         semantics.
1071         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
1072         and more examples from the standard.
1073         * testsuite/27_io/filesystem/path/append/source.cc: New.
1074         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
1075         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
1076
1077         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
1078         __invoke to prevent ADL.
1079
1080 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
1081
1082         PR libstdc++/81256
1083         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
1084         exceptions from _M_terminate_output().
1085         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
1086         exceptions from close().
1087         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
1088
1089         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
1090         (__valarray_get_storage): Call operator new directly. Remove ignored
1091         top-level restrict qualifier and add malloc attribute instead.
1092         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
1093
1094         PR libstdc++/67554
1095         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
1096         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
1097
1098         PR libstdc++/82966
1099         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
1100         instead of type.
1101         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
1102
1103 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
1104
1105         PR libstdc++/80165
1106         * testsuite/20_util/variant/80165.cc: New.
1107
1108 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
1109
1110         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
1111         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
1112         of C++11 containers with Debug Mode support.
1113         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
1114         * doc/html/*: Regenerate.
1115
1116 2018-05-10  Jason Merrill  <jason@redhat.com>
1117
1118         * include/bits/regex_compiler.h (_S_cache_size): Change from
1119         function to variable.
1120
1121 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
1122
1123         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
1124         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
1125         argument defaulted to +1.  Doxy comments on same.
1126         * testsuite/special_functions/02_assoc_legendre/
1127         check_value.cc: Regen.
1128         * testsuite/tr1/5_numerical_facilities/special_functions/
1129         02_assoc_legendre/check_value.cc: Regen.
1130
1131 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
1132
1133         PR libstdc++/85729
1134         * include/bits/c++config.h (__replacement_assert): Add linkage
1135         specification.
1136         * include/bits/std_abs.h: Add comment to closing brace of block.
1137         * include/c_global/cstddef: Add linkage specification.
1138         * include/c_global/cstring: Likewise.
1139         * include/c_global/cwchar: Likewise.
1140
1141 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
1142
1143         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
1144         Rename in...
1145         (_Safe_iterator<>::_S_constant()): ...that.
1146         * include/debug/safe_local_iterator.h
1147         (_Safe_local_iterator<>::_M_constant()): Rename in...
1148         (_Safe_local_iterator<>::_S_constant()): ...that.
1149         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
1150         (_Iterator_state::__rbegin): New.
1151         (_Iterator_state::__rmiddle): New.
1152         (_Iterator_state::__rend): New.
1153         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
1154         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
1155         iterator type.
1156         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
1157         _Is_iterator)): Likewise.
1158         (_Parameter::_S_reverse_state(_Iterator_state)): New.
1159         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
1160         _Is_iterator)): New.
1161         (_Parameter(std::reverse_iterator<> const&, const char*,
1162         _Is_iterator)): New.
1163         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
1164         const char*, _Is_iterator)): New.
1165         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
1166         New.
1167         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
1168         _Is_iterator)): New.
1169         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
1170         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
1171         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
1172
1173 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
1174
1175         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
1176         Use constexpr if in C++17 mode.
1177         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
1178         Copy from const object.
1179         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
1180
1181 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
1182
1183         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
1184         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
1185         backtrace.
1186
1187         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
1188         * include/debug/functions.h (__check_valid_range): Use latter.
1189         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
1190         use latter.
1191         * include/debug/deque
1192         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
1193         * include/debug/forward_list
1194         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
1195         Likewise.
1196         * include/debug/list
1197         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1198         * include/debug/list
1199         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1200         * include/debug/map.h
1201         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1202         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
1203         Likewise.
1204         * include/debug/multimap.h
1205         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1206         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
1207         const _Alloc&)): Likewise.
1208         * include/debug/set.h
1209         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1210         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
1211         Likewise.
1212         * include/debug/multiset.h
1213         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
1214         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
1215         const _Alloc&)): Likewise.
1216         * include/debug/string
1217         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
1218         Likewise.
1219         * include/debug/unordered_map
1220         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
1221         Likewise.
1222         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
1223         const _Alloc&)): Likewise.
1224         * include/debug/unordered_set
1225         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
1226         Likewise.
1227         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
1228         const _Alloc&)): Likewise.
1229         * include/debug/vector
1230         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
1231
1232         * include/debug/formatter.h (_Error_formatter::_M_function): New.
1233         (_Error_formatter(const char*, unsigned int)): Adapt.
1234         (_Error_formatter::_M_at): Rename in...
1235         (_Error_formatter::_S_at): ...that and adapt.
1236         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
1237         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
1238         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
1239         when available.
1240
1241 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
1242
1243         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
1244         Use normal std::vector even in Debug Mode.
1245
1246         PR libstdc++/85672
1247         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
1248         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
1249         * include/Makefile.in: Regenerate.
1250         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
1251         within conditional block.
1252
1253 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
1254
1255         * doc/xml/manual/using.xml (table.cmd_options): Document that the
1256         C++17 Filesystem implementation also needs -lstdc++fs.
1257
1258         PR libstdc++/85671
1259         * include/bits/fs_path.h (operator/): Permit copy elision.
1260         * include/experimental/bits/fs_path.h (operator/): Likewise.
1261
1262 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
1263
1264         Moar PR libstdc++/80506
1265         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
1266         Fix magic number used in loop condition.
1267
1268 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
1269
1270         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
1271         * include/std/optional (_Optional_payload): Add noexcept to default
1272         constructor. Re-indent.
1273         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
1274         constructor for copying disengaged payloads.
1275         (_Optional_payload<_Tp, true, false, true>): Likewise.
1276         (_Optional_payload<_Tp, true, true, false>): Likewise.
1277         (_Optional_payload<_Tp, true, false, false>): Likewise.
1278         * testsuite/20_util/optional/cons/85642.cc: New.
1279         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
1280
1281 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
1282
1283         PR libstdc++/82644
1284         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
1285         inline definitions instead of using-declarations.
1286         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
1287         * testsuite/tr1/5_numerical_facilities/special_functions/
1288         07_conf_hyperg/compile_cxx17.cc: New.
1289         * testsuite/tr1/5_numerical_facilities/special_functions/
1290         17_hyperg/compile_cxx17.cc: New.
1291
1292         PR libstdc++/84769
1293         * include/std/variant (visit): Qualify std::get call.
1294
1295         PR libstdc++/85632 use uintmax_t for arithmetic
1296         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
1297         arithmetic in result type.
1298         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
1299         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
1300         is greater than free space.
1301         * testsuite/experimental/filesystem/operations/space.cc: New.
1302
1303         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
1304         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
1305         New.
1306         * testsuite/20_util/remove_cvref/value.cc: New.
1307         * testsuite/20_util/remove_cvref/value_ext.cc: New.
1308
1309         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
1310         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
1311         (append(const basic_string&, size_type, size_type)
1312         (assign(const basic_string&, size_type, size_type)
1313         (insert(size_type, const basic_string&, size_type, size_type)
1314         (replace(size_type,size_type,const basic_string&,size_type,size_type)
1315         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
1316         Add default arguments (LWG 2268).
1317         [_GLIBCXX_USE_CXX11_ABI=0]
1318         (append(const basic_string&, size_type, size_type)
1319         (assign(const basic_string&, size_type, size_type)
1320         (insert(size_type, const basic_string&, size_type, size_type)
1321         (replace(size_type,size_type,const basic_string&,size_type,size_type)
1322         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
1323         Likewise.
1324         * testsuite/21_strings/basic_string/dr2268.cc: New test.
1325
1326         PR libstdc++/84535
1327         * include/std/thread (thread::__not_same): New SFINAE helper.
1328         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
1329         first argument is not a std::thread. Add static assertion to check
1330         INVOKE expression is valid.
1331         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
1332         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
1333         __invoke_result for return types and remove exception specifications.
1334         * testsuite/30_threads/thread/cons/84535.cc: New.
1335
1336         * include/std/future (__async_result_of): Use __invoke_result instead
1337         of result_of.
1338
1339         * include/std/any (any_cast): Use __remove_cvref_t.
1340         * include/std/tuple (__make_tuple): Likewise.
1341         * include/std/type_traits (__remove_cvref_t): Define.
1342         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
1343         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
1344         * include/std/variant (__erased_hash): Use __remove_cvref_t.
1345
1346 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
1347
1348         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
1349         ensure overloaded comma not used.
1350         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
1351         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
1352         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
1353         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
1354         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
1355         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
1356         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
1357
1358 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
1359
1360         PR libstdc++/68197
1361         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
1362         indices to unsigned.
1363         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
1364         as failure. Refactor error handling.
1365         * testsuite/27_io/ios_base/storage/68197.cc: New.
1366
1367         PR libstdc++/57997
1368         PR libstdc++/83860
1369         * include/bits/gslice_array.h (gslice_array): Define default
1370         constructor as deleted, as per C++11 standard.
1371         * include/bits/mask_array.h (mask_array): Likewise.
1372         * include/bits/slice_array.h (slice_array): Likewise.
1373         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
1374         to namespace __detail.
1375         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
1376         members.
1377         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
1378         of data members in closure objects.
1379         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
1380         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
1381         __detail.
1382         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
1383         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
1384         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
1385         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
1386         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
1387         using-declarations to namespace std.
1388         * testsuite/26_numerics/valarray/83860.cc: New.
1389
1390         * testsuite/backward/strstream_move.cc: Remove duplicate function
1391         call.
1392
1393         PR libstdc++/69608
1394         * include/backward/strstream (strstreambuf): Define move constructor
1395         and move assignment operator.
1396         (istrstream, ostrstream, strstream): Likewise.
1397         * testsuite/backward/strstream_move.cc: New.
1398
1399 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
1400
1401         PR libstdc++/84654
1402         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
1403         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
1404         * configure: Regenerate.
1405         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
1406         based on ENABLE_FLOAT128.
1407         * include/Makefile.in: Regenerate.
1408         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
1409         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
1410         _GLIBCXX_USE_FLOAT128.
1411
1412 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
1413
1414         * configure: Regenerated.
1415
1416 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
1417
1418         * configure: Regenerated.
1419
1420 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
1421             Jakub Jelinek  <jakub@redhat.com>
1422
1423         PR libstdc++/85442
1424         * src/c++11/Makefile.am: Don't generate debuginfo again for
1425         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
1426         * src/c++11/Makefile.in: Regenerate.
1427
1428 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
1429
1430         PR libstdc++/84442
1431         * testsuite/30_threads/thread/cons/terminate.cc
1432         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
1433
1434 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
1435
1436         PR jit/85384
1437         * configure: Regenerate.
1438
1439 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
1440
1441         * testsuite/experimental/filesystem/file_status/1.cc: Add
1442         -DUSE_FILESYSTEM_TS to dg-options.
1443         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
1444         Likewise.
1445         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
1446         * testsuite/experimental/filesystem/iterators/
1447         recursive_directory_iterator.cc: Likewise.
1448         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
1449         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
1450         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
1451         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
1452         * testsuite/experimental/filesystem/operations/create_directories.cc:
1453         Likewise.
1454         * testsuite/experimental/filesystem/operations/create_directory.cc:
1455         Likewise.
1456         * testsuite/experimental/filesystem/operations/create_symlink.cc:
1457         Likewise.
1458         * testsuite/experimental/filesystem/operations/current_path.cc:
1459         Likewise.
1460         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
1461         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
1462         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
1463         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
1464         * testsuite/experimental/filesystem/operations/last_write_time.cc:
1465         Likewise.
1466         * testsuite/experimental/filesystem/operations/permissions.cc:
1467         Likewise.
1468         * testsuite/experimental/filesystem/operations/read_symlink.cc:
1469         Likewise.
1470         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
1471         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
1472         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
1473         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
1474         Likewise.
1475         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
1476         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
1477         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
1478         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
1479         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
1480         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
1481         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
1482         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
1483         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
1484         * testsuite/experimental/filesystem/path/construct/default.cc:
1485         Likewise.
1486         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
1487         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
1488         * testsuite/experimental/filesystem/path/construct/string_view.cc:
1489         Likewise.
1490         * testsuite/experimental/filesystem/path/decompose/extension.cc:
1491         Likewise.
1492         * testsuite/experimental/filesystem/path/decompose/filename.cc:
1493         Likewise.
1494         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
1495         Likewise.
1496         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
1497         Likewise.
1498         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
1499         Likewise.
1500         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
1501         Likewise.
1502         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
1503         Likewise.
1504         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
1505         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
1506         Likewise.
1507         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
1508         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
1509         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
1510         Likewise.
1511         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
1512         Likewise.
1513         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
1514         Likewise.
1515         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
1516         Likewise.
1517         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
1518         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
1519         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
1520         Likewise.
1521         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
1522         * testsuite/experimental/filesystem/path/query/has_extension.cc:
1523         Likewise.
1524         * testsuite/experimental/filesystem/path/query/has_filename.cc:
1525         Likewise.
1526         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
1527         Likewise.
1528         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
1529         Likewise.
1530         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
1531         Likewise.
1532         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
1533         Likewise.
1534         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
1535         Likewise.
1536         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
1537         * testsuite/experimental/filesystem/path/query/is_relative.cc:
1538         Likewise.
1539
1540 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
1541
1542         * src/c++11/Makefile.am: Fix sed command.
1543         * src/c++11/Makefile.in: Regenerate.
1544
1545         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
1546         handle mangled names starting with double underscores on darwin.
1547         * src/c++11/Makefile.in: Regenerate.
1548
1549 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
1550
1551         * src/c++11/Makefile.am: Fix comment.
1552         * src/c++11/Makefile.in: Regenerate.
1553         * src/c++11/cxx11-ios_failure.cc: Fix comment.
1554         * src/c++98/ios_failure.cc: Likewise.
1555
1556         * src/c++11/ios.cc: Remove redundant macro definition.
1557
1558 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
1559
1560         * doc/xml/manual/abi.xml: Document header locations in recent
1561         releases.
1562         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
1563         * doc/xml/manual/spine.xml: Update copyright years.
1564         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
1565         undefined behaviour.
1566         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
1567         * doc/html/*: Regenerate.
1568
1569 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
1570
1571         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
1572         * doc/xml/manual/backwards_compatibility.xml: Likewise.
1573         * doc/xml/manual/containers.xml: Likewise.
1574         * doc/xml/manual/debug_mode.xml: Likewise.
1575         * doc/xml/manual/extensions.xml: Likewise.
1576         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
1577         * doc/xml/manual/using.xml: Likewise.
1578         * doc/xml/manual/utilities.xml: Likewise.
1579
1580         PR libstdc++/85222
1581         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
1582         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
1583         * src/c++11/Makefile.in: Regenerate.
1584         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
1585         New types.
1586         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
1587         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
1588         * src/c++98/ios_failure.cc (__construct_ios_failure)
1589         (__destroy_ios_failure, is_ios_failure_handler): New functions.
1590         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
1591         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
1592         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
1593         handler types, to always catch std::ios_base::failure.
1594         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
1595         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
1596         exceptions_failbit.cc: Likewise.
1597         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
1598         exceptions_failbit.cc: Likewise.
1599         * testsuite/27_io/basic_istream/extractors_other/char/
1600         exceptions_null.cc: Likewise.
1601         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
1602         exceptions_null.cc: Likewise.
1603         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
1604         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
1605         * testsuite/27_io/basic_ostream/inserters_other/char/
1606         exceptions_null.cc: Likewise.
1607         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
1608         exceptions_null.cc: Likewise.
1609         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
1610
1611 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
1612
1613         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
1614         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
1615
1616 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
1617
1618         PR libstdc++/85183
1619         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
1620         value categories.
1621         * testsuite/20_util/variant/85183.cc: New.
1622
1623 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
1624
1625         * include/std/variant (__get): Qualify calls to avoid ADL.
1626         (__select_index): Adjust whitespace.
1627         (variant): Add using-declaration to workaround Clang bug.
1628
1629 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
1630
1631         PR libstdc++/85040
1632         * include/bits/stl_function.h (greater::__not_overloaded)
1633         (less::__not_overloaded, greater_equal::__not_overloaded)
1634         (less_equal::__not_overloaded): Fix ambiguous specializations.
1635         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
1636         tests for type with overloaded operators.
1637
1638 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1639
1640         PR libstdc++/77691
1641         * testsuite/experimental/memory_resource/resource_adaptor.cc:
1642         xfail execution on 32-bit Solaris/x86.
1643
1644 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
1645
1646         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
1647         VERIFY instead of assert.
1648         * testsuite/20_util/hash/84998.cc: New test.
1649         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
1650         copy of test adjusted for Debug Mode.
1651         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
1652         test in Debug Mode.
1653
1654 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
1655
1656         PR libstdc++/84998
1657         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
1658         * include/std/bitset: Likewise.
1659         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
1660         declaration.
1661         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
1662         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
1663         * include/bits/stl_set.h (std::set<>): Likewise.
1664         * include/bits/unordered_map.h (std::unordered_map<>): Fix
1665         _Hash_merge_helper friend declaration.
1666         (std::unordered_multimap<>): Likewise.
1667         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
1668         (std::unordered_multiset<>): Likewise.
1669
1670 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
1671
1672         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
1673         trailing slash for domain level link.
1674         * doc/xml/faq.xml: Ditto.
1675         * doc/xml/manual/appendix_free.xml (software): Ditto.
1676         * doc/xml/manual/intro.xml: Ditto.
1677         * doc/xml/manual/spine.xml: Ditto.
1678         * doc/xml/spine.xml: Ditto.
1679
1680 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
1681
1682         * doc/xml/manual/documentation_hacking.xml: Adjust link to
1683         docbook.org.
1684
1685 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
1686
1687         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
1688         to compile as C++98.
1689
1690 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
1691
1692         PR libstdc++/78420
1693         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
1694         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
1695         to ensure total order for pointers.
1696         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
1697         Add operator() overloads for pointer arguments and make generic
1698         overloads dispatch to new _S_cmp functions when comparisons would
1699         use built-in operators for pointers.
1700         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
1701
1702 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
1703
1704         PR libstdc++/84773
1705         PR libstdc++/83662
1706         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
1707         * configure: Regenerate.
1708         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
1709         (aligned_alloc): Add using-declaration.
1710         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
1711
1712 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
1713
1714         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
1715         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
1716         registration.
1717
1718 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
1719
1720         PR libstdc++/84769
1721         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
1722         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
1723
1724         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
1725         src/filesystem/std-ops.cc (create_dir): Likewise.
1726
1727 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
1728
1729         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
1730         (StdListIteratorPrinter): Inherit from latter.
1731         (StdFwdListIteratorPrinter): New, inherit from latter.
1732         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
1733         when iterator has no associated container.
1734         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
1735         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
1736         registrations.
1737         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
1738         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
1739
1740 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
1741
1742         PR libstdc++/84601
1743         * include/std/optional (_Optional_payload): Split into multiple
1744         specializations that can handle different cases of trivial or
1745         non-trivial assignment operators.
1746         * testsuite/20_util/optional/84601.cc: New.
1747         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1748
1749 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
1750
1751         PR libstdc++/84671
1752         * include/bits/parse_numbers.h (_Number_help): Add partial
1753         specialization to handle digit separators. Adjust partial
1754         specialization for recursion temrination to require _Pow == 1ULL.
1755         * testsuite/20_util/duration/literals/84671.cc: New
1756
1757 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
1758
1759         Implement the missing bits of LWG 2769
1760         * include/std/any (any_cast(const any&)): Add static_assert.
1761         (any_cast(any&)): Likewise.
1762         (any_cast(any&&)): Likewise, and remove the handling
1763         for copyable-but-not-movable type.
1764         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
1765         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
1766         add new tests.
1767
1768 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
1769
1770         PR libstdc++/84532
1771         * include/std/thread (thread::__make_invoker): Construct tuple
1772         directly instead of using make_tuple.
1773         * testsuite/30_threads/async/84532.cc: New.
1774         * testsuite/30_threads/thread/84532.cc: New.
1775
1776 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
1777
1778         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
1779         (template<> __aligned_buffer): Define as __aligned_membuf alias.
1780
1781 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
1782
1783         PR target/84148
1784         * configure: Regenerate.
1785
1786 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
1787
1788         PR libstdc++/81797
1789         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
1790         * configure: Regenerate.
1791         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
1792         defined.
1793         * include/Makefile.in: Regenerate.
1794
1795 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
1796
1797         PR libstdc++/83833
1798         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1799         Add -ffloat-store to options for m68k and ia32.
1800
1801         * doc/xml/faq.xml: Update copyright years.
1802         * doc/html/*: Regenerate.
1803
1804         PR libstdc++/83658
1805         * include/std/any (any::__do_emplace): Only set _M_manager after
1806         constructing the contained object.
1807         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
1808         * testsuite/20_util/any/modifiers/83658.cc: New test.
1809
1810 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
1811
1812         PR libstdc++/81076
1813         * include/c_global/cstddef (__byte_operand): Define primary template.
1814         * testsuite/18_support/byte/81076.cc: New test.
1815
1816 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
1817
1818         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
1819         dg-options and dg-add-options order.
1820         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
1821         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
1822         Likewise.
1823         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
1824         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
1825         Likewise.
1826         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
1827         Likewise.
1828         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
1829         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
1830         Likewise.
1831         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
1832         Likewise.
1833         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
1834         Likewise.
1835         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
1836         Likewise.
1837         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
1838         Likewise.
1839         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
1840         Likewise.
1841         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
1842         Likewise.
1843         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
1844         Likewise.
1845         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
1846         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
1847         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
1848         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
1849         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
1850         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
1851         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
1852         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
1853         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
1854         Likewise.
1855         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
1856         Likewise.
1857         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
1858         Likewise.
1859         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
1860         Likewise.
1861
1862 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
1863
1864         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
1865         include linux/types.h when checking linux/random.h header.
1866         * config.h.in: Regenerate.
1867         * configure: Ditto.
1868         * src/c++11/random.cc: Conditionally include linux/types.h.
1869
1870 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1871
1872         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
1873
1874 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
1875
1876         PR libstdc++/83834
1877         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
1878         pattern with exact match for std::cerr.
1879
1880 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1881
1882         PR libstdc++/83833
1883         * include/bits/random.h (chi_squared_distribution::param): Update
1884         gamma distribution parameter.
1885         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
1886         test.
1887
1888         PR libstdc++/83830
1889         * include/std/type_traits (has_unique_object_representations_v): Add
1890         variable template.
1891         * testsuite/20_util/has_unique_object_representations/value.cc: Check
1892         variable template.
1893
1894 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
1895
1896         Make optional conditionally
1897         trivially_{copy,move}_{constructible,assignable}
1898         * include/std/optional (_Optional_payload): Fix the comment in
1899         the class head and turn into a primary and one specialization.
1900         (_Optional_payload::_M_engaged): Strike the NSDMI.
1901         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
1902         New.
1903         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
1904         Likewise.
1905         (_Optional_payload<_Tp, false>::_M_get): Likewise.
1906         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
1907         (_Optional_base_impl): Likewise.
1908         (_Optional_base): Turn into a primary and three specializations.
1909         (optional(nullopt)): Change the base init.
1910         * testsuite/20_util/optional/assignment/8.cc: New.
1911         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
1912         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1913
1914 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1915
1916         PR libstdc++/80276
1917         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
1918         (get_template_arg_list): New.
1919         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
1920         instead.
1921         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
1922         of strings and regular expressions.
1923         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
1924         (FilteringTypePrinter): Add docstring. Match using startswith. Use
1925         strip_inline_namespaces instead of strip_versioned_namespace.
1926         (add_one_type_printer): Prepend namespace to match argument.
1927         (register_type_printers): Add type printers for char16_t and char32_t
1928         string types and for types using cxx11 ABI. Update calls to
1929         add_one_template_type_printer to provide default argument dicts.
1930         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
1931         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
1932         basic_string<unsigned char> and basic_string<signed char>.
1933         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
1934         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
1935
1936 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
1937
1938         PR libstdc++/81092
1939         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1940
1941 2018-01-13  Tim Shen  <timshen@google.com>
1942
1943         PR libstdc++/83601
1944         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
1945         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
1946         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
1947
1948 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1949
1950         PR libstdc++/64054
1951         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
1952         Remove dg-xfail-run-if.
1953
1954 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
1955
1956         * include/bits/forward_list.h
1957         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
1958         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
1959         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
1960         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
1961         (_Fwd_list_impl()): Add noexcept qualification.
1962         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
1963         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
1964         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
1965         (_Fwd_list_base()): Default.
1966         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
1967         (_Fwd_list_base(_Fwd_list_base&&)): Default.
1968         (forward_list<>()): Default.
1969         (forward_list<>(forward_list&&)): Default.
1970         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
1971         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
1972         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
1973         * include/bits/forward_list.tcc
1974         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
1975         _M_impl._M_head move assignment.
1976         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
1977         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
1978
1979 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
1980
1981         PR libstdc++/80276
1982         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
1983         (UniquePointerPrinter): Print correct template argument, not type of
1984         the pointer.
1985         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
1986         a type.
1987         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
1988         array type.
1989         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
1990         weak_ptr of array types.
1991
1992 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
1993
1994         PR libstdc++/83709
1995         * include/bits/hashtable_policy.h
1996         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
1997         __first != __last.
1998         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
1999         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
2000         Add false_type parameter.
2001         (_Insert_base::insert): Adapt.
2002         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
2003         Adapt.
2004         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
2005          Add __n_elt parameter, defaulted to 1.
2006         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
2007         policy _M_need_rehash.
2008         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
2009         produce only 1 rehash if necessary.
2010         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
2011         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
2012
2013 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
2014             Jonathan Wakely  <jwakely@redhat.com>
2015
2016         PR libstdc++/59253 (partial)
2017         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
2018         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
2019         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
2020         children.
2021         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
2022         of unique_ptr printer.
2023         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
2024         output of shared_ptr printer.
2025
2026 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
2027
2028         PR libstdc++/83626
2029         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
2030         unnecessary symlink_status call.
2031         (remove_all(const path&, error_code&)): Use filesystem::remove.
2032         * src/filesystem/std-ops.cc: Likewise.
2033
2034         PR libstdc++/83279
2035         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
2036         sendfile.
2037
2038         PR libstdc++/83626
2039         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
2040         report an error for ENOENT.
2041         (remove_all(const path&)): Fix type of result variable.
2042         (remove_all(const path&, error_code&)): Use non-throwing increment
2043         for directory iterator. Call POSIX remove directly to avoid redundant
2044         calls to symlink_status. Do not report errors for ENOENT.
2045         * src/filesystem/std-ops.cc: Likewise.
2046         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
2047         overload.
2048         * testsuite/experimental/filesystem/operations/remove_all.cc:
2049         Likewise.
2050
2051 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
2052
2053         PR libstdc++/83626
2054         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
2055         redundant call to ec.clear().
2056         (remove_all(const path&, error_code&))): Do not return an error for
2057         non-existent paths.
2058         * src/filesystem/std-ops.cc: Likewise.
2059         * testsuite/27_io/filesystem/operations/remove.cc: New test.
2060         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
2061         results for non-existent paths.
2062         * testsuite/experimental/filesystem/operations/remove.cc: New test.
2063         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
2064         expected results for non-existent paths.
2065
2066         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
2067         check status_known once.
2068         * include/experimental/bits/fs_ops.h: Likewise.
2069
2070         PR libstdc++/83607
2071         * include/std/functional (__is_byte_like): New trait.
2072         (__is_std_equal_to): Remove.
2073         (__boyer_moore_base_t): Use __is_byte_like instead of
2074         __is_std_equal_to.
2075         * include/experimental/functional (__is_std_equal_to): Remove.
2076         (__boyer_moore_base_t): Use __is_byte_like instead of
2077         __is_std_equal_to.
2078         * testsuite/20_util/function_objects/83607.cc: New test.
2079
2080 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
2081
2082         Protect optional's deduction guide with the feature macro
2083         * include/std/optional: Use the feature macro.
2084
2085 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2086
2087         Update copyright years.
2088 \f
2089 Copyright (C) 2018 Free Software Foundation, Inc.
2090
2091 Copying and distribution of this file, with or without modification,
2092 are permitted in any medium without royalty provided the copyright
2093 notice and this notice are preserved.