libstdc++-v3/ChangeLog

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