libstdc++-v3/ChangeLog

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