libstdc++-v3/ChangeLog

   1 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         Add support for opening file streams from wide character strings.
   4         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
   5         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
   6         Define new overload.
   7         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
   8         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
   9         Declare new overload.
  10         * configure.ac: Check for _wfopen.
  11         * crossconfig.m4: Likewise.
  12         * configure: Regenerate.
  13         * config.h.in: Regenerate.
  14         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
  15         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
  16         Define new overload.
  17         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
  18         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
  19         Declare new overload.
  20         [_GLIBCXX_HAVE__WFOPEN]
  21         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
  22         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
  23         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
  24         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
  25         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
  26         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
  27         new overloads.
  28         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
  29         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
  30         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
  31         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
  32         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
  33         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
  34         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
  35
  36 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
  37
  38         PR libstdc++/85845
  39         * include/bits/stl_tree.h
  40         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
  41         qualification.
  42
  43 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
  44
  45         * src/filesystem/std-ops.cc (absolute): Report an error for empty
  46         paths.
  47         (weakly_canonical(const path&)): Do not call canonical on empty path.
  48         (weakly_canonical(const path&, error_code&)): Likewise.
  49         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
  50
  51         PR libstdc++/85818
  52         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
  53         dg-require-filesystem-ts.
  54
  55         PR libstdc++/85843
  56         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
  57         initialize base class to avoid warnings.
  58
  59 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
  60
  61         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
  62         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
  63         little_endian element in bitmask.
  64         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
  65         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
  66
  67 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
  68
  69         * include/bits/stl_tree.h
  70         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
  71         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
  72         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
  73         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
  74         * include/debug/map.h
  75         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
  76         * include/debug/multimap.h
  77         (multimap(multimap&&, const_allocator_type&)): Likewise.
  78         * include/debug/set.h
  79         (set(set&&, const_allocator_type&)): Likewise.
  80         * include/debug/multiset.h
  81         (multiset(multiset&&, const_allocator_type&)): Likewise.
  82         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
  83         Add checks.
  84         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
  85         Add checks.
  86         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
  87         Add checks.
  88         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
  89         Add checks.
  90         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
  91         Add checks.
  92         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
  93         Add checks.
  94         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
  95         Add checks.
  96         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
  97         Add checks.
  98
  99 2018-05-18  Jason Merrill  <jason@redhat.com>
 100
 101         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
 102         for conversion to const_iterator.  Add defaulted copy ops.
 103         * libsupc++/new (bad_alloc): Add defaulted copy ops.
 104         * libsupc++/exception.h (exception): Add defaulted copy ops.
 105         * include/std/system_error (system_error): Add defaulted copy ops.
 106         * include/std/stdexcept (domain_error, invalid_argument)
 107         (length_error, out_of_range, range_error, overflow_error)
 108         (underflow_error): Add defaulted copy ops.
 109         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
 110         copy assignment.
 111         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
 112         * include/ext/throw_allocator.h (condition_base): Add defaulted
 113         default and copy ctor and copy assignment.
 114
 115 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
 116
 117         PR libstdc++/85098
 118         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
 119         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
 120         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
 121         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
 122         definitions.
 123         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
 124         whitespace.
 125         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
 126         braces around body of do-while.
 127         * testsuite/28_regex/basic_regex/85098.cc: New
 128
 129 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
 130
 131         PR libstdc++/85818
 132         * src/filesystem/path.cc (path::preferred_separator): Add used
 133         attribute.
 134         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
 135
 136         PR libstdc++/85812
 137         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
 138         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
 139         Refactor to separate non-throwing and throwing implementations.
 140         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
 141         if constructing the object throws.
 142
 143 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
 144
 145         PR libstdc++/85749
 146         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
 147         (linear_congruential_engine, mersenne_twister_engine)
 148         (subtract_with_carry_engine, discard_block_engine)
 149         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
 150         constrain function templates taking seed sequences.
 151         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
 152         (mersenne_twister_engine::seed(_Sseq&))
 153         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
 154         match declarations.
 155         * include/ext/random (simd_fast_mersenne_twister_engine): Use
 156         __is_seed_seq to constrain function templates taking seed sequences.
 157         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
 158         Change return type to match declaration.
 159         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
 160         New.
 161         * testsuite/26_numerics/random/independent_bits_engine/cons/
 162         seed_seq2.cc: New.
 163         * testsuite/26_numerics/random/linear_congruential_engine/cons/
 164         seed_seq2.cc: New.
 165         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
 166         seed_seq2.cc: New.
 167         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
 168         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
 169         New.
 170         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
 171         seed_seq2.cc: New.
 172         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
 173         seed_seq2.cc: New.
 174
 175         PR libstdc++/83891
 176         * include/bits/fs_path.h (path::is_absolute()): Use same definition
 177         for all operating systems.
 178         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
 179         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
 180         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
 181         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
 182
 183         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
 184         unused <vector> header.
 185         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
 186         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
 187         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
 188         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
 189         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
 190         Likewise.
 191         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
 192         Likewise.
 193         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
 194         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
 195         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
 196         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
 197         * testsuite/experimental/filesystem/path/decompose/extension.cc:
 198         Likewise.
 199         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
 200         * testsuite/experimental/filesystem/path/query/has_extension.cc:
 201         Likewise.
 202         * testsuite/experimental/filesystem/path/query/has_filename.cc:
 203         Likewise.
 204         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
 205         Likewise.
 206         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
 207         Likewise.
 208         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
 209         Likewise.
 210         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
 211         Likewise.
 212         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
 213         Likewise.
 214         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
 215         * testsuite/experimental/filesystem/path/query/is_relative.cc:
 216         Likewise.
 217
 218         PR libstdc++/84159
 219         * include/bits/fs_path.h (path::operator/=, path::append): Construct
 220         temporary path before calling _M_append.
 221         (path::_M_append): Change parameter to path and implement C++17
 222         semantics.
 223         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
 224         and more examples from the standard.
 225         * testsuite/27_io/filesystem/path/append/source.cc: New.
 226         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
 227         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
 228
 229         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
 230         __invoke to prevent ADL.
 231
 232 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
 233
 234         PR libstdc++/81256
 235         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
 236         exceptions from _M_terminate_output().
 237         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
 238         exceptions from close().
 239         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
 240
 241         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
 242         (__valarray_get_storage): Call operator new directly. Remove ignored
 243         top-level restrict qualifier and add malloc attribute instead.
 244         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
 245
 246         PR libstdc++/67554
 247         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
 248         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
 249
 250         PR libstdc++/82966
 251         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
 252         instead of type.
 253         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
 254
 255 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
 256
 257         PR libstdc++/80165
 258         * testsuite/20_util/variant/80165.cc: New.
 259
 260 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 261
 262         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
 263         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
 264         of C++11 containers with Debug Mode support.
 265         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
 266         * doc/html/*: Regenerate.
 267
 268 2018-05-10  Jason Merrill  <jason@redhat.com>
 269
 270         * include/bits/regex_compiler.h (_S_cache_size): Change from
 271         function to variable.
 272
 273 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
 274
 275         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
 276         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
 277         argument defaulted to +1.  Doxy comments on same.
 278         * testsuite/special_functions/02_assoc_legendre/
 279         check_value.cc: Regen.
 280         * testsuite/tr1/5_numerical_facilities/special_functions/
 281         02_assoc_legendre/check_value.cc: Regen.
 282
 283 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
 284
 285         PR libstdc++/85729
 286         * include/bits/c++config.h (__replacement_assert): Add linkage
 287         specification.
 288         * include/bits/std_abs.h: Add comment to closing brace of block.
 289         * include/c_global/cstddef: Add linkage specification.
 290         * include/c_global/cstring: Likewise.
 291         * include/c_global/cwchar: Likewise.
 292
 293 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
 294
 295         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
 296         Rename in...
 297         (_Safe_iterator<>::_S_constant()): ...that.
 298         * include/debug/safe_local_iterator.h
 299         (_Safe_local_iterator<>::_M_constant()): Rename in...
 300         (_Safe_local_iterator<>::_S_constant()): ...that.
 301         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
 302         (_Iterator_state::__rbegin): New.
 303         (_Iterator_state::__rmiddle): New.
 304         (_Iterator_state::__rend): New.
 305         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
 306         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
 307         iterator type.
 308         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
 309         _Is_iterator)): Likewise.
 310         (_Parameter::_S_reverse_state(_Iterator_state)): New.
 311         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
 312         _Is_iterator)): New.
 313         (_Parameter(std::reverse_iterator<> const&, const char*,
 314         _Is_iterator)): New.
 315         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
 316         const char*, _Is_iterator)): New.
 317         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
 318         New.
 319         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
 320         _Is_iterator)): New.
 321         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
 322         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
 323         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
 324
 325 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
 326
 327         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
 328         Use constexpr if in C++17 mode.
 329         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
 330         Copy from const object.
 331         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
 332
 333 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
 334
 335         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
 336         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
 337         backtrace.
 338
 339         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
 340         * include/debug/functions.h (__check_valid_range): Use latter.
 341         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
 342         use latter.
 343         * include/debug/deque
 344         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
 345         * include/debug/forward_list
 346         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
 347         Likewise.
 348         * include/debug/list
 349         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 350         * include/debug/list
 351         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 352         * include/debug/map.h
 353         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 354         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
 355         Likewise.
 356         * include/debug/multimap.h
 357         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 358         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
 359         const _Alloc&)): Likewise.
 360         * include/debug/set.h
 361         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 362         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
 363         Likewise.
 364         * include/debug/multiset.h
 365         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
 366         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
 367         const _Alloc&)): Likewise.
 368         * include/debug/string
 369         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
 370         Likewise.
 371         * include/debug/unordered_map
 372         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
 373         Likewise.
 374         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
 375         const _Alloc&)): Likewise.
 376         * include/debug/unordered_set
 377         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
 378         Likewise.
 379         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
 380         const _Alloc&)): Likewise.
 381         * include/debug/vector
 382         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
 383
 384         * include/debug/formatter.h (_Error_formatter::_M_function): New.
 385         (_Error_formatter(const char*, unsigned int)): Adapt.
 386         (_Error_formatter::_M_at): Rename in...
 387         (_Error_formatter::_S_at): ...that and adapt.
 388         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
 389         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
 390         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
 391         when available.
 392
 393 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
 394
 395         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
 396         Use normal std::vector even in Debug Mode.
 397
 398         PR libstdc++/85672
 399         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
 400         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
 401         * include/Makefile.in: Regenerate.
 402         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
 403         within conditional block.
 404
 405 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
 406
 407         * doc/xml/manual/using.xml (table.cmd_options): Document that the
 408         C++17 Filesystem implementation also needs -lstdc++fs.
 409
 410         PR libstdc++/85671
 411         * include/bits/fs_path.h (operator/): Permit copy elision.
 412         * include/experimental/bits/fs_path.h (operator/): Likewise.
 413
 414 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
 415
 416         Moar PR libstdc++/80506
 417         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
 418         Fix magic number used in loop condition.
 419
 420 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
 421
 422         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
 423         * include/std/optional (_Optional_payload): Add noexcept to default
 424         constructor. Re-indent.
 425         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
 426         constructor for copying disengaged payloads.
 427         (_Optional_payload<_Tp, true, false, true>): Likewise.
 428         (_Optional_payload<_Tp, true, true, false>): Likewise.
 429         (_Optional_payload<_Tp, true, false, false>): Likewise.
 430         * testsuite/20_util/optional/cons/85642.cc: New.
 431         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
 432
 433 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
 434
 435         PR libstdc++/82644
 436         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
 437         inline definitions instead of using-declarations.
 438         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
 439         * testsuite/tr1/5_numerical_facilities/special_functions/
 440         07_conf_hyperg/compile_cxx17.cc: New.
 441         * testsuite/tr1/5_numerical_facilities/special_functions/
 442         17_hyperg/compile_cxx17.cc: New.
 443
 444         PR libstdc++/84769
 445         * include/std/variant (visit): Qualify std::get call.
 446
 447         PR libstdc++/85632 use uintmax_t for arithmetic
 448         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
 449         arithmetic in result type.
 450         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
 451         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
 452         is greater than free space.
 453         * testsuite/experimental/filesystem/operations/space.cc: New.
 454
 455         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
 456         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
 457         New.
 458         * testsuite/20_util/remove_cvref/value.cc: New.
 459         * testsuite/20_util/remove_cvref/value_ext.cc: New.
 460
 461         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
 462         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
 463         (append(const basic_string&, size_type, size_type)
 464         (assign(const basic_string&, size_type, size_type)
 465         (insert(size_type, const basic_string&, size_type, size_type)
 466         (replace(size_type,size_type,const basic_string&,size_type,size_type)
 467         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
 468         Add default arguments (LWG 2268).
 469         [_GLIBCXX_USE_CXX11_ABI=0]
 470         (append(const basic_string&, size_type, size_type)
 471         (assign(const basic_string&, size_type, size_type)
 472         (insert(size_type, const basic_string&, size_type, size_type)
 473         (replace(size_type,size_type,const basic_string&,size_type,size_type)
 474         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
 475         Likewise.
 476         * testsuite/21_strings/basic_string/dr2268.cc: New test.
 477
 478         PR libstdc++/84535
 479         * include/std/thread (thread::__not_same): New SFINAE helper.
 480         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
 481         first argument is not a std::thread. Add static assertion to check
 482         INVOKE expression is valid.
 483         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
 484         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
 485         __invoke_result for return types and remove exception specifications.
 486         * testsuite/30_threads/thread/cons/84535.cc: New.
 487
 488         * include/std/future (__async_result_of): Use __invoke_result instead
 489         of result_of.
 490
 491         * include/std/any (any_cast): Use __remove_cvref_t.
 492         * include/std/tuple (__make_tuple): Likewise.
 493         * include/std/type_traits (__remove_cvref_t): Define.
 494         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
 495         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
 496         * include/std/variant (__erased_hash): Use __remove_cvref_t.
 497
 498 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
 499
 500         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
 501         ensure overloaded comma not used.
 502         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
 503         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
 504         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
 505         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
 506         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
 507         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
 508         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
 509
 510 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
 511
 512         PR libstdc++/68197
 513         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
 514         indices to unsigned.
 515         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
 516         as failure. Refactor error handling.
 517         * testsuite/27_io/ios_base/storage/68197.cc: New.
 518
 519         PR libstdc++/57997
 520         PR libstdc++/83860
 521         * include/bits/gslice_array.h (gslice_array): Define default
 522         constructor as deleted, as per C++11 standard.
 523         * include/bits/mask_array.h (mask_array): Likewise.
 524         * include/bits/slice_array.h (slice_array): Likewise.
 525         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
 526         to namespace __detail.
 527         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
 528         members.
 529         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
 530         of data members in closure objects.
 531         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
 532         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
 533         __detail.
 534         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
 535         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
 536         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
 537         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
 538         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
 539         using-declarations to namespace std.
 540         * testsuite/26_numerics/valarray/83860.cc: New.
 541
 542         * testsuite/backward/strstream_move.cc: Remove duplicate function
 543         call.
 544
 545         PR libstdc++/69608
 546         * include/backward/strstream (strstreambuf): Define move constructor
 547         and move assignment operator.
 548         (istrstream, ostrstream, strstream): Likewise.
 549         * testsuite/backward/strstream_move.cc: New.
 550
 551 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
 552
 553         PR libstdc++/84654
 554         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
 555         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
 556         * configure: Regenerate.
 557         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
 558         based on ENABLE_FLOAT128.
 559         * include/Makefile.in: Regenerate.
 560         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
 561         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
 562         _GLIBCXX_USE_FLOAT128.
 563
 564 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
 565
 566         * configure: Regenerated.
 567
 568 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
 569
 570         * configure: Regenerated.
 571
 572 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
 573             Jakub Jelinek  <jakub@redhat.com>
 574
 575         PR libstdc++/85442
 576         * src/c++11/Makefile.am: Don't generate debuginfo again for
 577         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
 578         * src/c++11/Makefile.in: Regenerate.
 579
 580 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
 581
 582         PR libstdc++/84442
 583         * testsuite/30_threads/thread/cons/terminate.cc
 584         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
 585
 586 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
 587
 588         PR jit/85384
 589         * configure: Regenerate.
 590
 591 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
 592
 593         * testsuite/experimental/filesystem/file_status/1.cc: Add
 594         -DUSE_FILESYSTEM_TS to dg-options.
 595         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
 596         Likewise.
 597         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
 598         * testsuite/experimental/filesystem/iterators/
 599         recursive_directory_iterator.cc: Likewise.
 600         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
 601         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
 602         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
 603         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
 604         * testsuite/experimental/filesystem/operations/create_directories.cc:
 605         Likewise.
 606         * testsuite/experimental/filesystem/operations/create_directory.cc:
 607         Likewise.
 608         * testsuite/experimental/filesystem/operations/create_symlink.cc:
 609         Likewise.
 610         * testsuite/experimental/filesystem/operations/current_path.cc:
 611         Likewise.
 612         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
 613         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
 614         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
 615         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
 616         * testsuite/experimental/filesystem/operations/last_write_time.cc:
 617         Likewise.
 618         * testsuite/experimental/filesystem/operations/permissions.cc:
 619         Likewise.
 620         * testsuite/experimental/filesystem/operations/read_symlink.cc:
 621         Likewise.
 622         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
 623         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
 624         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
 625         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
 626         Likewise.
 627         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
 628         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
 629         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
 630         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
 631         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
 632         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
 633         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
 634         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
 635         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
 636         * testsuite/experimental/filesystem/path/construct/default.cc:
 637         Likewise.
 638         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
 639         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
 640         * testsuite/experimental/filesystem/path/construct/string_view.cc:
 641         Likewise.
 642         * testsuite/experimental/filesystem/path/decompose/extension.cc:
 643         Likewise.
 644         * testsuite/experimental/filesystem/path/decompose/filename.cc:
 645         Likewise.
 646         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
 647         Likewise.
 648         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
 649         Likewise.
 650         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
 651         Likewise.
 652         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
 653         Likewise.
 654         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
 655         Likewise.
 656         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
 657         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
 658         Likewise.
 659         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
 660         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
 661         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
 662         Likewise.
 663         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
 664         Likewise.
 665         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
 666         Likewise.
 667         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
 668         Likewise.
 669         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
 670         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
 671         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
 672         Likewise.
 673         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
 674         * testsuite/experimental/filesystem/path/query/has_extension.cc:
 675         Likewise.
 676         * testsuite/experimental/filesystem/path/query/has_filename.cc:
 677         Likewise.
 678         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
 679         Likewise.
 680         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
 681         Likewise.
 682         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
 683         Likewise.
 684         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
 685         Likewise.
 686         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
 687         Likewise.
 688         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
 689         * testsuite/experimental/filesystem/path/query/is_relative.cc:
 690         Likewise.
 691
 692 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
 693
 694         * src/c++11/Makefile.am: Fix sed command.
 695         * src/c++11/Makefile.in: Regenerate.
 696
 697         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
 698         handle mangled names starting with double underscores on darwin.
 699         * src/c++11/Makefile.in: Regenerate.
 700
 701 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
 702
 703         * src/c++11/Makefile.am: Fix comment.
 704         * src/c++11/Makefile.in: Regenerate.
 705         * src/c++11/cxx11-ios_failure.cc: Fix comment.
 706         * src/c++98/ios_failure.cc: Likewise.
 707
 708         * src/c++11/ios.cc: Remove redundant macro definition.
 709
 710 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
 711
 712         * doc/xml/manual/abi.xml: Document header locations in recent
 713         releases.
 714         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
 715         * doc/xml/manual/spine.xml: Update copyright years.
 716         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
 717         undefined behaviour.
 718         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
 719         * doc/html/*: Regenerate.
 720
 721 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
 722
 723         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
 724         * doc/xml/manual/backwards_compatibility.xml: Likewise.
 725         * doc/xml/manual/containers.xml: Likewise.
 726         * doc/xml/manual/debug_mode.xml: Likewise.
 727         * doc/xml/manual/extensions.xml: Likewise.
 728         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
 729         * doc/xml/manual/using.xml: Likewise.
 730         * doc/xml/manual/utilities.xml: Likewise.
 731
 732         PR libstdc++/85222
 733         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
 734         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
 735         * src/c++11/Makefile.in: Regenerate.
 736         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
 737         New types.
 738         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
 739         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
 740         * src/c++98/ios_failure.cc (__construct_ios_failure)
 741         (__destroy_ios_failure, is_ios_failure_handler): New functions.
 742         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
 743         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
 744         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
 745         handler types, to always catch std::ios_base::failure.
 746         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
 747         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
 748         exceptions_failbit.cc: Likewise.
 749         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
 750         exceptions_failbit.cc: Likewise.
 751         * testsuite/27_io/basic_istream/extractors_other/char/
 752         exceptions_null.cc: Likewise.
 753         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
 754         exceptions_null.cc: Likewise.
 755         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
 756         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
 757         * testsuite/27_io/basic_ostream/inserters_other/char/
 758         exceptions_null.cc: Likewise.
 759         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
 760         exceptions_null.cc: Likewise.
 761         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
 762
 763 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
 764
 765         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
 766         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
 767
 768 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
 769
 770         PR libstdc++/85183
 771         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
 772         value categories.
 773         * testsuite/20_util/variant/85183.cc: New.
 774
 775 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
 776
 777         * include/std/variant (__get): Qualify calls to avoid ADL.
 778         (__select_index): Adjust whitespace.
 779         (variant): Add using-declaration to workaround Clang bug.
 780
 781 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
 782
 783         PR libstdc++/85040
 784         * include/bits/stl_function.h (greater::__not_overloaded)
 785         (less::__not_overloaded, greater_equal::__not_overloaded)
 786         (less_equal::__not_overloaded): Fix ambiguous specializations.
 787         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
 788         tests for type with overloaded operators.
 789
 790 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 791
 792         PR libstdc++/77691
 793         * testsuite/experimental/memory_resource/resource_adaptor.cc:
 794         xfail execution on 32-bit Solaris/x86.
 795
 796 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
 797
 798         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
 799         VERIFY instead of assert.
 800         * testsuite/20_util/hash/84998.cc: New test.
 801         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
 802         copy of test adjusted for Debug Mode.
 803         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
 804         test in Debug Mode.
 805
 806 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
 807
 808         PR libstdc++/84998
 809         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
 810         * include/std/bitset: Likewise.
 811         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
 812         declaration.
 813         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
 814         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
 815         * include/bits/stl_set.h (std::set<>): Likewise.
 816         * include/bits/unordered_map.h (std::unordered_map<>): Fix
 817         _Hash_merge_helper friend declaration.
 818         (std::unordered_multimap<>): Likewise.
 819         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
 820         (std::unordered_multiset<>): Likewise.
 821
 822 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
 823
 824         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
 825         trailing slash for domain level link.
 826         * doc/xml/faq.xml: Ditto.
 827         * doc/xml/manual/appendix_free.xml (software): Ditto.
 828         * doc/xml/manual/intro.xml: Ditto.
 829         * doc/xml/manual/spine.xml: Ditto.
 830         * doc/xml/spine.xml: Ditto.
 831
 832 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
 833
 834         * doc/xml/manual/documentation_hacking.xml: Adjust link to
 835         docbook.org.
 836
 837 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
 838
 839         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
 840         to compile as C++98.
 841
 842 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
 843
 844         PR libstdc++/78420
 845         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
 846         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
 847         to ensure total order for pointers.
 848         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
 849         Add operator() overloads for pointer arguments and make generic
 850         overloads dispatch to new _S_cmp functions when comparisons would
 851         use built-in operators for pointers.
 852         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
 853
 854 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
 855
 856         PR libstdc++/84773
 857         PR libstdc++/83662
 858         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
 859         * configure: Regenerate.
 860         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
 861         (aligned_alloc): Add using-declaration.
 862         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
 863
 864 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
 865
 866         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
 867         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
 868         registration.
 869
 870 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
 871
 872         PR libstdc++/84769
 873         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
 874         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
 875
 876         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
 877         src/filesystem/std-ops.cc (create_dir): Likewise.
 878
 879 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
 880
 881         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
 882         (StdListIteratorPrinter): Inherit from latter.
 883         (StdFwdListIteratorPrinter): New, inherit from latter.
 884         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
 885         when iterator has no associated container.
 886         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
 887         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
 888         registrations.
 889         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
 890         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
 891
 892 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
 893
 894         PR libstdc++/84601
 895         * include/std/optional (_Optional_payload): Split into multiple
 896         specializations that can handle different cases of trivial or
 897         non-trivial assignment operators.
 898         * testsuite/20_util/optional/84601.cc: New.
 899         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
 900
 901 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
 902
 903         PR libstdc++/84671
 904         * include/bits/parse_numbers.h (_Number_help): Add partial
 905         specialization to handle digit separators. Adjust partial
 906         specialization for recursion temrination to require _Pow == 1ULL.
 907         * testsuite/20_util/duration/literals/84671.cc: New
 908
 909 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
 910
 911         Implement the missing bits of LWG 2769
 912         * include/std/any (any_cast(const any&)): Add static_assert.
 913         (any_cast(any&)): Likewise.
 914         (any_cast(any&&)): Likewise, and remove the handling
 915         for copyable-but-not-movable type.
 916         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
 917         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
 918         add new tests.
 919
 920 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
 921
 922         PR libstdc++/84532
 923         * include/std/thread (thread::__make_invoker): Construct tuple
 924         directly instead of using make_tuple.
 925         * testsuite/30_threads/async/84532.cc: New.
 926         * testsuite/30_threads/thread/84532.cc: New.
 927
 928 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
 929
 930         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
 931         (template<> __aligned_buffer): Define as __aligned_membuf alias.
 932
 933 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 934
 935         PR target/84148
 936         * configure: Regenerate.
 937
 938 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
 939
 940         PR libstdc++/81797
 941         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
 942         * configure: Regenerate.
 943         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
 944         defined.
 945         * include/Makefile.in: Regenerate.
 946
 947 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
 948
 949         PR libstdc++/83833
 950         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
 951         Add -ffloat-store to options for m68k and ia32.
 952
 953         * doc/xml/faq.xml: Update copyright years.
 954         * doc/html/*: Regenerate.
 955
 956         PR libstdc++/83658
 957         * include/std/any (any::__do_emplace): Only set _M_manager after
 958         constructing the contained object.
 959         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
 960         * testsuite/20_util/any/modifiers/83658.cc: New test.
 961
 962 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
 963
 964         PR libstdc++/81076
 965         * include/c_global/cstddef (__byte_operand): Define primary template.
 966         * testsuite/18_support/byte/81076.cc: New test.
 967
 968 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
 969
 970         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
 971         dg-options and dg-add-options order.
 972         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
 973         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
 974         Likewise.
 975         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
 976         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
 977         Likewise.
 978         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
 979         Likewise.
 980         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
 981         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
 982         Likewise.
 983         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
 984         Likewise.
 985         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
 986         Likewise.
 987         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
 988         Likewise.
 989         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
 990         Likewise.
 991         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
 992         Likewise.
 993         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
 994         Likewise.
 995         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
 996         Likewise.
 997         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
 998         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
 999         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
1000         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
1001         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
1002         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
1003         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
1004         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
1005         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
1006         Likewise.
1007         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
1008         Likewise.
1009         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
1010         Likewise.
1011         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
1012         Likewise.
1013
1014 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
1015
1016         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
1017         include linux/types.h when checking linux/random.h header.
1018         * config.h.in: Regenerate.
1019         * configure: Ditto.
1020         * src/c++11/random.cc: Conditionally include linux/types.h.
1021
1022 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
1023
1024         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
1025
1026 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
1027
1028         PR libstdc++/83834
1029         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
1030         pattern with exact match for std::cerr.
1031
1032 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1033
1034         PR libstdc++/83833
1035         * include/bits/random.h (chi_squared_distribution::param): Update
1036         gamma distribution parameter.
1037         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
1038         test.
1039
1040         PR libstdc++/83830
1041         * include/std/type_traits (has_unique_object_representations_v): Add
1042         variable template.
1043         * testsuite/20_util/has_unique_object_representations/value.cc: Check
1044         variable template.
1045
1046 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
1047
1048         Make optional conditionally
1049         trivially_{copy,move}_{constructible,assignable}
1050         * include/std/optional (_Optional_payload): Fix the comment in
1051         the class head and turn into a primary and one specialization.
1052         (_Optional_payload::_M_engaged): Strike the NSDMI.
1053         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
1054         New.
1055         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
1056         Likewise.
1057         (_Optional_payload<_Tp, false>::_M_get): Likewise.
1058         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
1059         (_Optional_base_impl): Likewise.
1060         (_Optional_base): Turn into a primary and three specializations.
1061         (optional(nullopt)): Change the base init.
1062         * testsuite/20_util/optional/assignment/8.cc: New.
1063         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
1064         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
1065
1066 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
1067
1068         PR libstdc++/80276
1069         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
1070         (get_template_arg_list): New.
1071         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
1072         instead.
1073         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
1074         of strings and regular expressions.
1075         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
1076         (FilteringTypePrinter): Add docstring. Match using startswith. Use
1077         strip_inline_namespaces instead of strip_versioned_namespace.
1078         (add_one_type_printer): Prepend namespace to match argument.
1079         (register_type_printers): Add type printers for char16_t and char32_t
1080         string types and for types using cxx11 ABI. Update calls to
1081         add_one_template_type_printer to provide default argument dicts.
1082         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
1083         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
1084         basic_string<unsigned char> and basic_string<signed char>.
1085         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
1086         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
1087
1088 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
1089
1090         PR libstdc++/81092
1091         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1092
1093 2018-01-13  Tim Shen  <timshen@google.com>
1094
1095         PR libstdc++/83601
1096         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
1097         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
1098         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
1099
1100 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1101
1102         PR libstdc++/64054
1103         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
1104         Remove dg-xfail-run-if.
1105
1106 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
1107
1108         * include/bits/forward_list.h
1109         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
1110         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
1111         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
1112         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
1113         (_Fwd_list_impl()): Add noexcept qualification.
1114         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
1115         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
1116         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
1117         (_Fwd_list_base()): Default.
1118         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
1119         (_Fwd_list_base(_Fwd_list_base&&)): Default.
1120         (forward_list<>()): Default.
1121         (forward_list<>(forward_list&&)): Default.
1122         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
1123         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
1124         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
1125         * include/bits/forward_list.tcc
1126         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
1127         _M_impl._M_head move assignment.
1128         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
1129         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
1130
1131 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
1132
1133         PR libstdc++/80276
1134         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
1135         (UniquePointerPrinter): Print correct template argument, not type of
1136         the pointer.
1137         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
1138         a type.
1139         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
1140         array type.
1141         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
1142         weak_ptr of array types.
1143
1144 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
1145
1146         PR libstdc++/83709
1147         * include/bits/hashtable_policy.h
1148         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
1149         __first != __last.
1150         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
1151         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
1152         Add false_type parameter.
1153         (_Insert_base::insert): Adapt.
1154         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
1155         Adapt.
1156         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
1157          Add __n_elt parameter, defaulted to 1.
1158         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
1159         policy _M_need_rehash.
1160         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
1161         produce only 1 rehash if necessary.
1162         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
1163         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
1164
1165 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
1166             Jonathan Wakely  <jwakely@redhat.com>
1167
1168         PR libstdc++/59253 (partial)
1169         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
1170         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
1171         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
1172         children.
1173         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
1174         of unique_ptr printer.
1175         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
1176         output of shared_ptr printer.
1177
1178 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
1179
1180         PR libstdc++/83626
1181         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
1182         unnecessary symlink_status call.
1183         (remove_all(const path&, error_code&)): Use filesystem::remove.
1184         * src/filesystem/std-ops.cc: Likewise.
1185
1186         PR libstdc++/83279
1187         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
1188         sendfile.
1189
1190         PR libstdc++/83626
1191         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
1192         report an error for ENOENT.
1193         (remove_all(const path&)): Fix type of result variable.
1194         (remove_all(const path&, error_code&)): Use non-throwing increment
1195         for directory iterator. Call POSIX remove directly to avoid redundant
1196         calls to symlink_status. Do not report errors for ENOENT.
1197         * src/filesystem/std-ops.cc: Likewise.
1198         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
1199         overload.
1200         * testsuite/experimental/filesystem/operations/remove_all.cc:
1201         Likewise.
1202
1203 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
1204
1205         PR libstdc++/83626
1206         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
1207         redundant call to ec.clear().
1208         (remove_all(const path&, error_code&))): Do not return an error for
1209         non-existent paths.
1210         * src/filesystem/std-ops.cc: Likewise.
1211         * testsuite/27_io/filesystem/operations/remove.cc: New test.
1212         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
1213         results for non-existent paths.
1214         * testsuite/experimental/filesystem/operations/remove.cc: New test.
1215         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
1216         expected results for non-existent paths.
1217
1218         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
1219         check status_known once.
1220         * include/experimental/bits/fs_ops.h: Likewise.
1221
1222         PR libstdc++/83607
1223         * include/std/functional (__is_byte_like): New trait.
1224         (__is_std_equal_to): Remove.
1225         (__boyer_moore_base_t): Use __is_byte_like instead of
1226         __is_std_equal_to.
1227         * include/experimental/functional (__is_std_equal_to): Remove.
1228         (__boyer_moore_base_t): Use __is_byte_like instead of
1229         __is_std_equal_to.
1230         * testsuite/20_util/function_objects/83607.cc: New test.
1231
1232 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
1233
1234         Protect optional's deduction guide with the feature macro
1235         * include/std/optional: Use the feature macro.
1236
1237 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1238
1239         Update copyright years.
1240 \f
1241 Copyright (C) 2018 Free Software Foundation, Inc.
1242
1243 Copying and distribution of this file, with or without modification,
1244 are permitted in any medium without royalty provided the copyright
1245 notice and this notice are preserved.