libstdc++-v3/ChangeLog

   1 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * include/std/optional (_Optional_payload): Use variable templates
   4         for conditions in default template arguments and exception
   5         specifications.
   6         (optional): Likewise. Adjust indentation.
   7         (optional::__not_self, optional::__not_tag, optional::_Requires): New
   8         SFINAE helpers.
   9         (optional::optional): Use new helpers in constructor constraints.
  10         * include/std/type_traits (__or_v, __and_v): New variable templates.
  11         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
  12         dg-prune-output. Remove unused header.
  13
  14 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
  15
  16         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
  17         _GLIBCXX_DEBUG.
  18
  19 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
  20
  21         PR libstdc++/86963
  22         * include/std/tuple (__tuple_base): New class template with deleted
  23         copy assignment operator.
  24         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
  25         implicit copy/move assignment operator will be deleted/suppressed.
  26         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
  27         functions for SFINAE constraints on assignment operators.
  28         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
  29         New helper functions for exception specifications.
  30         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
  31         (tuple<_T1, _T2>::operator=(const tuple&))
  32         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
  33         __nonesuch_no_braces when the operator should be defined implicitly.
  34         Use __nothrow_assignable for exception specifications.
  35         (tuple::operator=(const tuple<_UElements...>&))
  36         (tuple::operator=(tuple<_UElements...>&&))
  37         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
  38         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
  39         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
  40         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
  41         __assignable and use __nothrow_assignable for exception
  42         specifications.
  43         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
  44         gdb.Type as first argument, instead of a string.
  45         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
  46         tuple for expected structure.
  47         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
  48         * testsuite/20_util/tuple/dr2729.cc: New test.
  49         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
  50         to dg-prune-output.
  51
  52 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
  53
  54         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
  55         about signed/unsigned comparison.
  56
  57         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
  58         deprecation warnings for using uncaught_exception().
  59
  60         PR libstdc++/86447
  61         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
  62         (logic_error::logic_error(logic_error&&))
  63         (logic_error::operator=(logic_error&&))
  64         (runtime_error::runtime_error(runtime_error&&))
  65         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
  66         moving, to avoid allocating empty reps for moved-from strings.
  67
  68 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
  69
  70         * include/experimental/regex: Remove begin/end macros for namespace.
  71         * include/experimental/string: Likewise.
  72         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
  73         New test.
  74         * testsuite/experimental/polymorphic_allocator/
  75         pmr_typedefs_forward_list.cc: New test.
  76         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
  77         New test.
  78         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
  79         New test.
  80         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
  81         New test.
  82         * testsuite/experimental/polymorphic_allocator/
  83         pmr_typedefs_multimap.cc: New test.
  84         * testsuite/experimental/polymorphic_allocator/
  85         pmr_typedefs_multiset.cc: New test.
  86         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
  87         New test.
  88         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
  89         New test.
  90         * testsuite/experimental/polymorphic_allocator/
  91         pmr_typedefs_unordered_map.cc: New test.
  92         * testsuite/experimental/polymorphic_allocator/
  93         pmr_typedefs_unordered_multimap.cc: New test.
  94         * testsuite/experimental/polymorphic_allocator/
  95         pmr_typedefs_unordered_multiset.cc: New test.
  96         * testsuite/experimental/polymorphic_allocator/
  97         pmr_typedefs_unordered_set.cc: New test.
  98         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
  99         New test.
 100
 101         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
 102         calls to __uses_allocator_construct_impl and __use_alloc.
 103         * include/experimental/memory_resource
 104         (polymorphic_allocator::_M_construct): Remove.
 105         (polymorphic_allocator::construct): Call __uses_allocator_construct.
 106         Qualify calls to __use_alloc.
 107         * include/std/memory_resource (polymorphic_allocator::construct): Fix
 108         type in SFINAE constraint. Use constexpr if instead of tag dispatching
 109         to _S_construct overloads.
 110         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
 111         arguments to _S_construct_p.
 112         (polymorphic_allocator::_S_construct): Remove.
 113         (polymorphic_allocator::_S_construct_p): Return allocators by value
 114         not by reference.
 115         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
 116         Qualify calls to __use_alloc.
 117         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
 118         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
 119         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
 120         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
 121         New test.
 122
 123         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
 124         (atomic_mem_res): Add unsynchronized definition for single-threaded.
 125
 126 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
 127
 128         PR libstdc++/86954
 129         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
 130         non-placement delete.
 131
 132         * include/std/chrono (__check_overflow): Simplify definition.
 133         (_Checked_integral_constant): Remove.
 134
 135         PR libstdc++/86846
 136         * src/c++17/default_resource.h: New file, defining default_res.
 137         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
 138         (atomic_mem_res): Define alternative for atomic<memory_resource*>
 139         using a mutex instead of atomics.
 140
 141         PR libstdc++/85343
 142         * config/abi/pre/gnu.ver: Export new symbol.
 143         * doc/xml/manual/abi.xml: Document new versions.
 144         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
 145         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
 146         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
 147         Declare new overload.
 148         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
 149         and static member function.
 150         (__throw_ios_failure(const char*, int)): Define.
 151         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
 152         (__throw_ios_failure(const char*, int)): Define.
 153
 154 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
 155
 156         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
 157         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
 158         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
 159         copied/assigned rope iterators don't retain pointers to the iterator
 160         they were copied/assigned from.
 161         * testsuite/ext/rope/7.cc: New.
 162
 163 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
 164
 165         PR libstdc++/45093
 166         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
 167         Combine definitions to avoid --detect-odr-violations warning.
 168
 169         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
 170         __is_pow2 to check for valid alignment. Avoid branching when rounding
 171         size to multiple of alignment.
 172
 173         * include/Makefile.am: Install <bit> and <version> for freestanding.
 174         * include/Makefile.in: Regenerate.
 175         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
 176
 177         Revert
 178         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 179
 180         PR target/85904
 181         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 182         Newlib.
 183         * configure: Regenerate.
 184
 185 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 186
 187         PR libstdc++/68210
 188         * doc/xml/manual/intro.xml: Document LWG 206 change.
 189         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 190         * libsupc++/del_opa.cc: Likewise.
 191         * libsupc++/del_opant.cc: Likewise.
 192         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
 193         of free(ptr).
 194         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 195         * libsupc++/del_opsa.cc: Likewise.
 196         * libsupc++/del_opva.cc: Likewise.
 197         * libsupc++/del_opvant.cc: Likewise.
 198         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
 199         instead of operator delete(ptr).
 200         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 201         * libsupc++/del_opvsa.cc: Likewise.
 202         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
 203         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
 204         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
 205         with noexcept.
 206         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
 207         malloc(sz).
 208         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
 209         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
 210         operator new(sz, nothrow).
 211         * testsuite/18_support/new_nothrow.cc: New test.
 212
 213 2018-08-10  Martin Liska  <mliska@suse.cz>
 214
 215         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
 216         predictor can handle that.
 217         * libsupc++/new_opa.cc: Likewise.
 218         * libsupc++/new_opnt.cc (new): Likewise.
 219
 220 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 221
 222         PR target/85904
 223         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 224         Newlib.
 225         * configure: Regenerate.
 226
 227 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 228
 229         * include/std/deque (std::pmr::deque): Declare alias.
 230         * include/std/forward_list (std::pmr::forward_list): Likewise.
 231         * include/std/list (std::pmr::list): Likewise.
 232         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
 233         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
 234         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
 235         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
 236         * include/std/string (std::pmr::basic_string, std::pmr::string)
 237         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
 238         Likewise.
 239         * include/std/unordered_map (std::pmr::unordered_map)
 240         (std::pmr::unordered_multimap): Likewise.
 241         * include/std/unordered_set (std::pmr::unordered_set)
 242         (std::pmr::unordered_multiset): Likewise.
 243         * include/std/vector (std::pmr::vector): Likewise.
 244         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
 245         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
 246         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
 247         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
 248         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
 249         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
 250         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
 251         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
 252         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
 253         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
 254         test.
 255         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
 256         test.
 257         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
 258         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
 259         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
 260
 261 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
 262
 263         * include/bits/stl_algo.h
 264         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
 265         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
 266         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
 267         duplication...
 268         (rotate(_Ite, _Ite, _Ite)): ...here.
 269         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
 270         Simplify rotate call.
 271         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
 272         Likewise.
 273         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
 274         Likewise.
 275
 276 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
 277
 278         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
 279         avoid clashing with an ::aligned_alloc function that was not detected
 280         by configure.
 281
 282         * doc/xml/manual/using.xml: Fix markup for empty table entry.
 283         * doc/html/*: Regenerate.
 284
 285         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
 286         * doc/html/*: Regenerate.
 287
 288         PR libstdc++/86597
 289         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
 290         Clear error_code when cached type is used.
 291         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
 292
 293 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
 294
 295         PR libstdc++/86874
 296         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
 297         here instead of in _Move_assign_base.
 298         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
 299         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
 300         the contained value to another alternative.
 301         (_Move_assign_base::operator=): Likewise.
 302         (_Move_assign_base::_M_destructive_move): Remove.
 303         * testsuite/20_util/variant/86874.cc: New test.
 304
 305         PR libstdc++/86861
 306         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
 307         Replace macro with inline function.
 308         [__sun]: Increase alignment to meet memalign precondition.
 309         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
 310         (aligned_alloc): Move check for valid alignment to operator new.
 311         Remove redundant check for non-zero size, it's enforced by the caller.
 312         (operator new): Move check for valid alignment here. Use
 313         __builtin_expect on check for zero size.
 314
 315         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
 316         * include/std/memory_resource (monotonic_buffer_resource::release):
 317         Call _M_release_buffers to free buffers.
 318         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
 319         allocate a new buffer from upstream.
 320         (monotonic_buffer_resource::_M_new_buffer): Declare.
 321         (monotonic_buffer_resource::_M_release_buffers): Declare.
 322         (monotonic_buffer_resource::_Chunk): Replace definition with
 323         declaration as opaque type.
 324         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
 325         Define.
 326         (monotonic_buffer_resource::_M_new_buffer): Define.
 327         (monotonic_buffer_resource::_M_release_buffers): Define.
 328
 329 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
 330
 331         * include/bits/stl_iterator.h: Fix comment.
 332
 333 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
 334
 335         * src/c++11/system_error.cc
 336         (system_error_category::default_error_condition): Add workaround for
 337         ENOTEMPTY and EEXIST having the same value on AIX.
 338         * testsuite/19_diagnostics/error_category/system_category.cc: Add
 339         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
 340
 341 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
 342
 343         * configure: Regenerate.
 344         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
 345         * src/c++11/futex.cc: Use __glibcxx_assert instead of
 346         _GLIBCXX_DEBUG_ASSERT.
 347
 348 2018-08-01  Mike Crowe  <mac@mcrowe.com>
 349
 350         * include/std/condition_variable (wait_for): Use steady_clock.
 351
 352 2018-08-01  Mike Crowe  <mac@mcrowe.com>
 353
 354         * include/std/condition_variable (wait_until): Only report timeout
 355         if we really have timed out when measured against the
 356         caller-supplied clock.
 357         * testsuite/30_threads/condition_variable/members/2.cc: Add test
 358         case to confirm above behaviour.
 359
 360 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
 361
 362         PR libstdc++/60555
 363         * src/c++11/system_error.cc
 364         (system_error_category::default_error_condition): New override to
 365         check for POSIX errno values.
 366         * testsuite/19_diagnostics/error_category/generic_category.cc: New
 367         * testsuite/19_diagnostics/error_category/system_category.cc: New
 368         test.
 369
 370 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
 371
 372         PR libstdc++/86751
 373         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
 374         assignment operator.
 375         (pair): Derive from __pair_base.
 376         (pair::operator=): Remove deleted overload.
 377         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
 378         so that new base class isn't shown in GDB.
 379         * testsuite/20_util/pair/86751.cc: New test.
 380         * testsuite/20_util/pair/ref_assign.cc: New test.
 381
 382         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
 383         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
 384         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
 385         instead of __has_builtin.
 386         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
 387         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
 388         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
 389         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
 390         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
 391         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
 392         (__cpp_lib_has_unique_object_representations): Don't define when
 393         builtin not available.
 394         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
 395         Likewise.
 396         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
 397         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
 398         from here.
 399
 400         * doc/xml/manual/test.xml: Improve documentation on writing tests for
 401         newer standards.
 402         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
 403         * doc/html/*: Regenerate.
 404
 405         * include/ext/pointer.h [__cplusplus >= 201103L]
 406         (_Pointer_adapter::operator bool): Add explicit conversion operator
 407         to replace safe bool idiom.
 408
 409 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
 410
 411         PR libstdc++/86734
 412         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
 413         _S_to_pointer (LWG 1052, LWG 2118).
 414         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
 415         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
 416         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
 417
 418         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
 419         workaround for aligned_alloc bug on AIX.
 420         * testsuite/18_support/new_aligned.cc: New test.
 421
 422 2018-07-26  Marek Polacek  <polacek@redhat.com>
 423
 424         * testsuite/30_threads/condition_variable_any/cond.cc: New.
 425
 426 2018-07-26  Marek Polacek  <polacek@redhat.com>
 427
 428         * src/c++98/locale_init.cc: Fix #ifdef condition.
 429
 430 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
 431
 432         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
 433         dg-require-cstdint directive.
 434         * testsuite/20_util/allocator/overaligned.cc: Likewise.
 435         * testsuite/20_util/any/cons/aligned.cc: Likewise.
 436         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
 437         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
 438         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
 439         Likewise.
 440         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
 441         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
 442         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
 443         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
 444         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
 445         random_device effective-target.
 446         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
 447         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
 448         * testsuite/25_algorithms/sample/2.cc: Likewise.
 449         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
 450         and random_device.
 451         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
 452         cstdint.
 453         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
 454         Likewise.
 455         * testsuite/26_numerics/random/discard_block_engine/requirements/
 456         constexpr_data.cc: Likewise.
 457         * testsuite/26_numerics/random/discard_block_engine/requirements/
 458         constexpr_functions.cc: Likewise.
 459         * testsuite/26_numerics/random/independent_bits_engine/requirements/
 460         constexpr_functions.cc: Likewise.
 461         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
 462         constexpr_data.cc: Likewise.
 463         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
 464         constexpr_functions.cc: Likewise.
 465         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
 466         constexpr_data.cc: Likewise.
 467         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
 468         constexpr_functions.cc: Likewise.
 469         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
 470         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
 471         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
 472         constexpr_data.cc: Add dg-require-cstdint directive.
 473         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
 474         constexpr_functions.cc: Likewise.
 475         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
 476         constexpr_data.cc: Likewise.
 477         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
 478         constexpr_functions.cc: Likewise.
 479         * testsuite/26_numerics/random/uniform_real_distribution/operators/
 480         64351.cc: Likewise.
 481         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
 482         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
 483         * testsuite/experimental/algorithm/sample.cc: Likewise.
 484         * testsuite/experimental/algorithm/search.cc: Likewise.
 485         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
 486         * testsuite/experimental/any/cons/aligned.cc: Likewise.
 487         * testsuite/experimental/memory_resource/new_delete_resource.cc:
 488         Likewise.
 489         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
 490         * testsuite/experimental/random/randint.cc: Likewise.
 491         * testsuite/experimental/source_location/1.cc: Likewise.
 492         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
 493         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
 494         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
 495         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
 496         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
 497         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
 498         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
 499         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
 500         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
 501         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
 502         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
 503         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
 504         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
 505         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
 506         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
 507         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
 508         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
 509         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
 510         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
 511         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
 512         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
 513         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
 514         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
 515
 516         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
 517         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
 518         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
 519         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
 520         Likewise.
 521         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
 522         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
 523         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
 524         Likewise.
 525         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
 526         Likewise.
 527         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
 528         Likewise.
 529         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
 530         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
 531         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
 532         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
 533         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
 534         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
 535         Likewise.
 536         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
 537         Likewise.
 538         * testsuite/30_threads/recursive_timed_mutex/dest/
 539         destructor_locked.cc: Likewise.
 540         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
 541         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
 542         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
 543         Likewise.
 544         * testsuite/30_threads/recursive_timed_mutex/native_handle/
 545         typesizes.cc: Likewise.
 546         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
 547         Likewise.
 548         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
 549         Likewise.
 550         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
 551         Likewise.
 552         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
 553         Likewise.
 554         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
 555         Likewise.
 556         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
 557         Likewise.
 558         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
 559         Likewise.
 560         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
 561         Likewise.
 562         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
 563         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
 564         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
 565         * testsuite/30_threads/scoped_lock/requirements/
 566         explicit_instantiation.cc: Likewise.
 567         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
 568         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
 569         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
 570         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
 571         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
 572         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
 573         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
 574         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
 575         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
 576         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
 577         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
 578         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
 579         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
 580         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
 581         * testsuite/30_threads/shared_future/requirements/
 582         explicit_instantiation.cc: Likewise.
 583         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
 584         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
 585         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
 586         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
 587         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
 588         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
 589         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
 590         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
 591         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
 592         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
 593         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
 594         * testsuite/30_threads/shared_lock/requirements/
 595         explicit_instantiation.cc: Likewise.
 596         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
 597         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
 598         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
 599         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
 600         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
 601         Likewise.
 602         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
 603         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
 604         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
 605         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
 606         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
 607         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
 608         * testsuite/30_threads/shared_timed_mutex/requirements/
 609         standard_layout.cc: Likewise.
 610         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
 611         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
 612         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
 613         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
 614         * testsuite/30_threads/this_thread/1.cc: Likewise.
 615         * testsuite/30_threads/this_thread/2.cc: Likewise.
 616         * testsuite/30_threads/this_thread/3.cc: Likewise.
 617         * testsuite/30_threads/this_thread/4.cc: Likewise.
 618         * testsuite/30_threads/this_thread/58038.cc: Likewise.
 619         * testsuite/30_threads/thread/70503.cc: Likewise.
 620         * testsuite/30_threads/thread/84532.cc: Likewise.
 621         * testsuite/30_threads/thread/adl.cc: Likewise.
 622         * testsuite/30_threads/thread/cons/1.cc: Likewise.
 623         * testsuite/30_threads/thread/cons/2.cc: Likewise.
 624         * testsuite/30_threads/thread/cons/3.cc: Likewise.
 625         * testsuite/30_threads/thread/cons/4.cc: Likewise.
 626         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
 627         * testsuite/30_threads/thread/cons/5.cc: Likewise.
 628         * testsuite/30_threads/thread/cons/6.cc: Likewise.
 629         * testsuite/30_threads/thread/cons/7.cc: Likewise.
 630         * testsuite/30_threads/thread/cons/8.cc: Likewise.
 631         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
 632         * testsuite/30_threads/thread/cons/9.cc: Likewise.
 633         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
 634         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
 635         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
 636         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
 637         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
 638         * testsuite/30_threads/thread/id/operators.cc: Likewise.
 639         * testsuite/30_threads/thread/members/1.cc: Likewise.
 640         * testsuite/30_threads/thread/members/2.cc: Likewise.
 641         * testsuite/30_threads/thread/members/3.cc: Likewise.
 642         * testsuite/30_threads/thread/members/4.cc: Likewise.
 643         * testsuite/30_threads/thread/members/5.cc: Likewise.
 644         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
 645         Likewise.
 646         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
 647         * testsuite/30_threads/thread/swap/1.cc: Likewise.
 648         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
 649         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
 650         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
 651         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
 652         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
 653         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
 654         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
 655         Likewise.
 656         * testsuite/30_threads/timed_mutex/requirements/
 657         standard_layout.cc: Likewise.
 658         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
 659         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
 660         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
 661         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
 662         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
 663         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
 664         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
 665         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
 666         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
 667         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
 668         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
 669         * testsuite/30_threads/try_lock/1.cc: Likewise.
 670         * testsuite/30_threads/try_lock/2.cc: Likewise.
 671         * testsuite/30_threads/try_lock/3.cc: Likewise.
 672         * testsuite/30_threads/try_lock/4.cc: Likewise.
 673         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
 674         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
 675         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
 676         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
 677         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
 678         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
 679         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
 680         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
 681         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
 682         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
 683         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
 684         * testsuite/30_threads/unique_lock/requirements/
 685         explicit_instantiation.cc: Likewise.
 686         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
 687
 688         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
 689         directive.
 690         * testsuite/30_threads/async/49668.cc: Likewise.
 691         * testsuite/30_threads/async/54297.cc: Likewise.
 692         * testsuite/30_threads/async/84532.cc: Likewise.
 693         * testsuite/30_threads/async/any.cc: Likewise.
 694         * testsuite/30_threads/async/async.cc: Likewise.
 695         * testsuite/30_threads/async/except.cc: Likewise.
 696         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
 697         * testsuite/30_threads/async/launch.cc: Likewise.
 698         * testsuite/30_threads/async/lwg2021.cc: Likewise.
 699         * testsuite/30_threads/async/sync.cc: Likewise.
 700         * testsuite/30_threads/call_once/39909.cc: Likewise.
 701         * testsuite/30_threads/call_once/49668.cc: Likewise.
 702         * testsuite/30_threads/call_once/60497.cc: Likewise.
 703         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
 704         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
 705         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
 706         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
 707         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
 708         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
 709         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
 710         Likewise.
 711         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
 712         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
 713         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
 714         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
 715         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
 716         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
 717         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
 718         Likewise.
 719         * testsuite/30_threads/condition_variable/requirements/
 720         standard_layout.cc: Likewise.
 721         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
 722         * Likewise.
 723         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
 724         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
 725         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
 726         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
 727         Likewise.
 728         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
 729         Likewise.
 730         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
 731         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
 732         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
 733         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
 734         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
 735         * testsuite/30_threads/future/cons/default.cc: Likewise.
 736         * testsuite/30_threads/future/cons/move.cc: Likewise.
 737         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
 738         * testsuite/30_threads/future/members/45133.cc: Likewise.
 739         * testsuite/30_threads/future/members/get.cc: Likewise.
 740         * testsuite/30_threads/future/members/get2.cc: Likewise.
 741         * testsuite/30_threads/future/members/share.cc: Likewise.
 742         * testsuite/30_threads/future/members/valid.cc: Likewise.
 743         * testsuite/30_threads/future/members/wait.cc: Likewise.
 744         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
 745         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
 746         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
 747         Likewise.
 748         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
 749         Likewise.
 750         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
 751         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
 752         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
 753         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
 754         * testsuite/30_threads/lock/1.cc: Likewise.
 755         * testsuite/30_threads/lock/2.cc: Likewise.
 756         * testsuite/30_threads/lock/3.cc: Likewise.
 757         * testsuite/30_threads/lock/4.cc: Likewise.
 758         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
 759         * testsuite/30_threads/lock_guard/requirements/
 760         explicit_instantiation.cc: Likewise.
 761         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
 762         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
 763         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
 764         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
 765         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
 766         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
 767         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
 768         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
 769         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
 770         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
 771         Likewise.
 772         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
 773         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
 774         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
 775         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
 776         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
 777         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
 778         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
 779         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
 780         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
 781         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
 782         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
 783         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
 784         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
 785         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
 786         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
 787         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
 788         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
 789         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
 790         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
 791         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
 792         Likewise.
 793         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
 794         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
 795         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
 796         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
 797         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
 798         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
 799         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
 800         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
 801         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
 802         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
 803         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
 804         * testsuite/30_threads/packaged_task/requirements/
 805         explicit_instantiation.cc: Likewise.
 806         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
 807         * testsuite/30_threads/promise/60966.cc: Likewise.
 808         * testsuite/30_threads/promise/69106.cc: Likewise.
 809         * testsuite/30_threads/promise/cons/1.cc: Likewise.
 810         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
 811         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
 812         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
 813         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
 814         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
 815         * testsuite/30_threads/promise/cons/move.cc: Likewise.
 816         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
 817         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
 818         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
 819         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
 820         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
 821         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
 822         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
 823         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
 824         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
 825         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
 826         * testsuite/30_threads/promise/members/swap.cc: Likewise.
 827         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
 828         * Likewise.
 829         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
 830
 831         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
 832         from namespace std.
 833         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
 834         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
 835         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
 836         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
 837         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
 838         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
 839         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
 840         * testsuite/20_util/duration/cons/1.cc: Likewise.
 841         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
 842         * testsuite/20_util/duration/cons/2.cc: Likewise.
 843         * testsuite/20_util/duration/cons/54025.cc: Likewise.
 844         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
 845         * testsuite/20_util/duration/requirements/explicit_instantiation/
 846         explicit_instantiation.cc: Likewise.
 847         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
 848         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
 849         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
 850         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
 851         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
 852         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
 853         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
 854         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
 855         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
 856         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
 857         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
 858         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
 859         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
 860         * testsuite/20_util/system_clock/1.cc: Likewise.
 861         * testsuite/20_util/time_point/1.cc: Likewise.
 862         * testsuite/20_util/time_point/2.cc: Likewise.
 863         * testsuite/20_util/time_point/3.cc: Likewise.
 864         * testsuite/20_util/time_point/requirements/explicit_instantiation/
 865         explicit_instantiation.cc: Likewise.
 866         * testsuite/21_strings/basic_string/requirements/
 867         explicit_instantiation/char16_t/1.cc: Likewise.
 868         * testsuite/21_strings/basic_string/requirements/
 869         explicit_instantiation/char32_t/1.cc: Likewise.
 870         * testsuite/21_strings/basic_string_view/requirements/
 871         explicit_instantiation/char16_t/1.cc: Likewise.
 872         * testsuite/21_strings/basic_string_view/requirements/
 873         explicit_instantiation/char32_t/1.cc: Likewise.
 874         * testsuite/21_strings/char_traits/requirements/
 875         explicit_instantiation/char16_t/1.cc: Likewise.
 876         * testsuite/21_strings/char_traits/requirements/
 877         explicit_instantiation/char32_t/1.cc: Likewise.
 878         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
 879         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
 880         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
 881         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
 882         Likewise.
 883         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
 884         Likewise.
 885         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
 886         Likewise.
 887         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
 888         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
 889         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
 890         Likewise.
 891         * testsuite/experimental/string_view/requirements/
 892         explicit_instantiation/char16_t/1.cc: Likewise.
 893         * testsuite/experimental/string_view/requirements/
 894         explicit_instantiation/char32_t/1.cc: Likewise.
 895         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
 896         1.cc: Likewise.
 897         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
 898         1.cc: Likewise.
 899
 900         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
 901         (random_condition, throw_value_random, throw_allocator_random)
 902         (std::hash<throw_value_random>): Do not define when <tr1/random> is
 903         not usable.
 904         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
 905         define transactional memory support when <stdint.h> is not usable.
 906
 907         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
 908         implementation that doesn't depend on <stdint.h> types.
 909         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
 910         std::size_t when std::uintptr_t is not usable.
 911         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
 912         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
 913         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
 914
 915         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
 916         (hash<u16string>, hash<u32string>): Remove dependency on
 917         _GLIBCXX_USE_C99_STDINT_TR1.
 918         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
 919         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
 920         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
 921         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
 922         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
 923         (codecvt<char16_t, char, mbstate_t>)
 924         (codecvt<char32_t, char, mbstate_t>)
 925         (codecvt_byname<char16_t, char, mbstate_t>)
 926         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
 927         on _GLIBCXX_USE_C99_STDINT_TR1.
 928         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
 929         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
 930         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
 931         (char_traits<char16_t>, char_traits<char32_t>)
 932         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
 933         on _GLIBCXX_USE_C99_STDINT_TR1.
 934         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
 935         (u16string_view, u32string_view, hash<u16string_view>)
 936         (hash<u32string_view>, operator""sv(const char16_t, size_t))
 937         (operator""sv(const char32_t, size_t)): Likewise.
 938         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
 939         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
 940         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
 941         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
 942         (__u32sso_string, __u32rc_string): Likewise.
 943         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
 944         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
 945         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
 946         (u16string_view, u32string_view, hash<u16string_view>)
 947         (hash<u32string_view>, operator""sv(const char16_t, size_t))
 948         (operator""sv(const char32_t, size_t)): Likewise.
 949         * src/c++11/codecvt.cc: Likewise.
 950         * src/c++98/locale_init.cc: Likewise.
 951         * src/c++98/localename.cc: Likewise.
 952
 953         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
 954         (__atomic_futex_unsigned_base): Remove dependency on
 955         _GLIBCXX_USE_C99_STDINT_TR1 macro.
 956         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
 957         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
 958         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
 959         (uintmax_t): Define using predefined macros.
 960         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
 961         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
 962         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
 963         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
 964         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
 965         long long when <stdint.h> is not usable.
 966         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
 967         (condition_variable, condition_variable_any): Remove dependency on
 968         _GLIBCXX_USE_C99_STDINT_TR1.
 969         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
 970         (packaged_task, async): Likewise.
 971         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
 972         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
 973         (once_flag, call_once): Likewise.
 974         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
 975         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
 976         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
 977         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
 978         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
 979         (this_thread::sleep_until): Likewise.
 980         * src/c++11/chrono.cc: Remove dependency on
 981         _GLIBCXX_USE_C99_STDINT_TR1 macro.
 982         * src/c++11/condition_variable.cc: Likewise.
 983         * src/c++11/futex.cc: Likewise.
 984         * src/c++11/future.cc: Likewise.
 985         * src/c++11/mutex.cc: Likewise.
 986         * src/c++11/thread.cc: Likewise.
 987         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
 988         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
 989         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
 990         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
 991         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
 992         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
 993
 994 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 995
 996         PR libstdc++/77691
 997         * testsuite/experimental/memory_resource/new_delete_resource.cc:
 998         xfail execution on 32-bit Solaris/x86.
 999
1000 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
1001
1002         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
1003         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
1004         (vector::_M_move_assign): Reorder the swaps.
1005
1006 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1007
1008         PR libstdc++/86676
1009         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
1010         same alignment for post-release allocation.
1011
1012 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
1013
1014         PR libstdc++/86676
1015         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
1016         buffer being misaligned and so returned pointer not being at start.
1017
1018         * include/experimental/memory_resource: Include <cstddef> header.
1019
1020         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
1021         * src/Makefile.am: Add comment.
1022         * src/c++17/Makefile.in: Regenerate.
1023
1024         * include/Makefile.am: Add new <bits/unique_lock.h> header.
1025         * include/Makefile.in: Regenerate.
1026         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
1027         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1028         (unique_lock): Move definition to ...
1029         * include/bits/unique_lock.h: New header.
1030         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
1031         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
1032         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
1033         (unique_lock::try_lock_for): Define only when <chrono> is usable.
1034         * include/std/condition_variable: Include <bits/unique_lock.h>.
1035         * include/std/mutex: Likewise.
1036
1037 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
1038
1039         * config/abi/pre/gnu.ver: Export new symbols.
1040         * configure: Regenerate.
1041         * include/Makefile.am: Add new <memory_resource> header.
1042         * include/Makefile.in: Regenerate.
1043         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
1044         * include/std/memory_resource: New header.
1045         (memory_resource, polymorphic_allocator, new_delete_resource)
1046         (null_memory_resource, set_default_resource, get_default_resource)
1047         (pool_options, monotonic_buffer_resource): Define.
1048         * src/Makefile.am: Add c++17 directory.
1049         * src/Makefile.in: Regenerate.
1050         * src/c++11/Makefile.am: Fix comment.
1051         * src/c++17/Makefile.am: Add makefile for new sub-directory.
1052         * src/c++17/Makefile.in: Generate.
1053         * src/c++17/memory_resource.cc: New.
1054         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
1055         (default_res, new_delete_resource, null_memory_resource)
1056         (set_default_resource, get_default_resource): Define.
1057         * testsuite/20_util/memory_resource/1.cc: New test.
1058         * testsuite/20_util/memory_resource/2.cc: New test.
1059         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
1060         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
1061         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
1062         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
1063         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
1064         New test.
1065         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
1066         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
1067         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
1068         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1069         Define concrete memory resource for testing.
1070         (__gnu_test::default_resource_mgr): Define RAII helper for changing
1071         default resource.
1072
1073         PR libstdc++/86658
1074         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
1075         parameter by reference, to avoid copying invalid iterators.
1076         * testsuite/25_algorithms/copy/86658.cc: New test.
1077
1078         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
1079         local variables for number of digits instead of type aliases.
1080         (__log2p1): Remove redundant branch also checked in __countl_zero.
1081
1082         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
1083         conditions. Add comments.
1084         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
1085         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1086         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
1087
1088         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
1089         (__uses_allocator_helper): Check conditions directly instead of
1090         using __is_erased_or_convertible.
1091
1092         * include/experimental/memory_resource: Adjust comments and
1093         whitespace.
1094         (__resource_adaptor_imp): Add second template parameter for type of
1095         memory resource base class.
1096         (memory_resource): Define default constructor, destructor, copy
1097         constructor and copy assignment operator as defaulted.
1098
1099         PR libstdc++/70966
1100         * include/experimental/memory_resource (__get_default_resource): Use
1101         placement new to create an object with dynamic storage duration.
1102
1103 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
1104
1105         PR libstdc++/70940
1106         * include/experimental/memory_resource
1107         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
1108         (__resource_adaptor_common::__guaranteed_alignment): New helper to
1109         give maximum alignment an allocator guarantees. Specialize for known
1110         allocators using new and malloc.
1111         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
1112         (__resource_adaptor_imp::do_deallocate): Likewise.
1113         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1114         Check that new and delete are called with expected sizes.
1115
1116 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1117
1118         PR libstdc++/86595
1119         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
1120         noexcept.
1121
1122 2018-07-20  Fangrui Song  <maskray@google.com>
1123
1124         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
1125         _GLIBCXX_VISIBILITY(default).
1126
1127 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1128
1129         PR libstdc++/86603
1130         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
1131
1132 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
1133
1134         * include/std/type_traits (__is_member_object_pointer_helper): Use
1135         __not_<is_function<_Tp>>::type instead of integral_constant.
1136         (__is_member_function_pointer_helper): Likewise for
1137         is_function<_Tp>::type.
1138         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
1139         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
1140         (is_trivially_constructible): Remove redundant use of
1141         is_constructible.
1142         (__is_trivially_copy_assignable_impl): Remove redundant use of
1143         is_copy_assignable.
1144         (__is_trivially_move_assignable_impl): Remove redundant use of
1145         is_move_assignable.
1146         (is_trivially_destructible): Use __bool_constant.
1147         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
1148         tests for scalar types.
1149
1150 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
1151
1152         * include/bits/stl_algobase.h (__copy_move_a): Used
1153         __is_trivially_copyable.
1154         (__copy_move_backward_a): Likewise.
1155         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1156         New test.
1157
1158 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
1159
1160         PR libstdc++/86450
1161         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
1162         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
1163         * configure: Regenerate.
1164         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
1165         * doc/Makefile.in: Regenerate.
1166         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
1167         * include/Makefile.in: Regenerate.
1168         * libsupc++/Makefile.in: Regenerate.
1169         * po/Makefile.in: Regenerate.
1170         * python/Makefile.in: Regenerate.
1171         * src/Makefile.in: Regenerate.
1172         * src/c++11/Makefile.in: Regenerate.
1173         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
1174         from -Wabi=2 that don't affect exported symbols.
1175         * src/c++98/Makefile.in: Regenerate.
1176         * src/filesystem/Makefile.in: Regenerate.
1177         * testsuite/Makefile.in: Regenerate.
1178
1179         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
1180         (_Async_state_common::_M_join): Simplify use of std::call_once and
1181         corresponding explicit instantiation.
1182         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
1183         (__bind_simple): Remove definitions and explicit instantiation that
1184         are not required by exported symbols.
1185
1186 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
1187
1188         * scripts/create_testsuite_files: Fix typo in comment.
1189
1190         PR libstdc++/86537
1191         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
1192         non-standard partial specialization.
1193         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
1194         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
1195         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
1196
1197 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
1198
1199         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1200         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1201         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1202
1203 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
1204
1205         * include/debug/functions.h (__gnu_debug::__check_string): Move...
1206         * include/debug/string (__gnu_debug::__check_string): ... here.
1207         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
1208         (__glibcxx_check_string_n_constructor): New.
1209         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
1210         Use latter.
1211         (__glibcxx_check_string_constructor): New.
1212         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
1213         Use latter.
1214         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
1215         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
1216
1217 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
1218
1219         PR libstdc++/84928 use std::move in <numeric> algorithms
1220         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
1221         conditionally move, according to __cplusplus value.
1222         (accumulate, inner_product, partial_sum, adjacent_difference): Use
1223         _GLIBCXX_MOVE_IF_20.
1224         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
1225         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
1226         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
1227         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
1228
1229         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
1230
1231         P0935R0 Eradicating unnecessarily explicit default constructors
1232         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
1233         default constructor symbols.
1234         * include/std/sstream (basic_stringbuf, basic_istringstream)
1235         (basic_ostringstream, basic_stringstream): Remove default arguments
1236         from explicit constructors taking ios_base::openmode and add separate
1237         non-explicit default constructors.
1238         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
1239         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
1240         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
1241         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
1242         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
1243
1244         * include/std/variant (__accepted_index): Use void_t.
1245
1246 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
1247
1248         PR libstdc++/85831
1249         * config/abi/pre/gnu.ver: Export move constructors and move
1250         assignment operators for std::logic_error and std::runtime_error.
1251         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
1252         _GLIBCXX_USE_NOEXCEPT.
1253         (logic_error, runtime_error): Declare move constructors and move
1254         assignment operators. When not declared already, define copy
1255         constructors and copy assignment operators as explicit-defaulted.
1256         (domain_error, invalid_argument, length_error, out_of_range)
1257         (overflow_error, underflow_error): Define move constructors and move
1258         assignment operators as explicitly-defaulted.
1259         * libsupc++/exception.h (exception): Likewise.
1260         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
1261         move constructors and move assignment operators as defaulted.
1262         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
1263         assignment operators are defined.
1264
1265         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
1266         COW strings.
1267         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1268         Likewise.
1269         * testsuite/21_strings/basic_string/requirements/
1270         explicit_instantiation/debug.cc: Likewise.
1271
1272         PR libstdc++/58265
1273         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1274         (basic_string::assign(basic_string&&)): Add conditional noexcept
1275         depending on the allocator's is_always_equal property (LWG 2063).
1276         * testsuite/21_strings/basic_string/modifiers/assign/char/
1277         move_assign.cc: Check for non-throwing exception specification.
1278         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
1279         move_assign.cc: Likewise.
1280
1281         PR libstdc++/58265
1282         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1283         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
1284         Add GLIBCXX_NOEXCEPT.
1285         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
1286         to depend on the allocator's is_always_equal property (LWG 2063).
1287         (basic_string::swap(basic_string&)): Likewise.
1288         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
1289         (basic_string::swap(basic_string&)): Likewise.
1290         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
1291         Check is_nothrow_move_assignable.
1292         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
1293         Check is_nothrow_move_assignable.
1294         * testsuite/21_strings/basic_string/cons/char/
1295         noexcept_move_construct.cc: Likewise.
1296         * testsuite/21_strings/basic_string/cons/wchar_t/
1297         noexcept_move_construct.cc: Likewise.
1298
1299 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1300
1301         P0646R1 Improving the Return Value of Erase-Like Algorithms I
1302         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
1303         Define.
1304         (forward_list::__remove_return_type): Define typedef as size_type or
1305         void, according to __cplusplus value.
1306         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1307         empty, according to __cplusplus value.
1308         (forward_list::remove, forward_list::unique): Use typedef and macro
1309         to change return type and add abi-tag for C++2a.
1310         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
1311         typedef to change return type for C++2a.
1312         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
1313         (forward_list::remove, forward_list::remove_if<Pred>)
1314         (forward_list::unique<BinPred>): Return number of removed elements
1315         for C++2a.
1316         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
1317         (list::remove, list::unique, list::remove_if<Predicate>)
1318         (list::unique<BinaryPredicate>): Return number of removed elements
1319         for C++2a.
1320         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
1321         (list::__remove_return_type): Define typedef as size_type or
1322         void, according to __cplusplus value.
1323         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1324         empty, according to __cplusplus value.
1325         (list::remove, list::unique): Use typedef and macro to change return
1326         type and add abi-tag for C++2a.
1327         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
1328         typedef to change return type for C++2a.
1329         * include/std/version (__cpp_lib_list_remove_return_type): Define.
1330         * testsuite/23_containers/forward_list/operations/
1331         remove_cxx20_return.cc: New.
1332         * testsuite/23_containers/forward_list/operations/
1333         unique_cxx20_return.cc: New.
1334
1335         P0458R2 Checking for Existence of an Element in Associative Containers
1336         * include/bits/stl_map.h (map::contains): Add for C++2a.
1337         * include/bits/stl_multimap.h (multimap::contains): Likewise.
1338         * include/bits/stl_multiset.h (multiset::contains): Likewise.
1339         * include/bits/stl_set.h (set::contains): Likewise.
1340         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
1341         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
1342         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
1343         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
1344         * include/bits/unordered_map.h (unordered_map::contains)
1345         (unordered_multimap::contains): Add for C++2a.
1346         * include/bits/unordered_set.h (unordered_set::contains)
1347         (unordered_multiset::contains): Likewise.
1348         * testsuite/23_containers/map/operations/contains.cc: New.
1349         * testsuite/23_containers/multimap/operations/contains.cc: New.
1350         * testsuite/23_containers/multiset/operations/contains.cc: New.
1351         * testsuite/23_containers/set/operations/contains.cc: New.
1352         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
1353         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
1354         New.
1355         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
1356         New.
1357         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
1358
1359 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
1360
1361         PR libstdc++/86272
1362         * include/debug/string
1363         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
1364         Use __glibcxx_check_insert_range.
1365         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
1366         __gnu_debug::string when _GLIBCXX_DEBUG.
1367         * 21_strings/basic_string/init-list.cc: Likewise.
1368         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
1369         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
1370         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
1371         * 21_strings/basic_string/types/1.cc: Likewise.
1372
1373 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1374
1375         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
1376         target for std::random_device.
1377         * testsuite/26_numerics/random/random_device/cons/default.cc:
1378         Likewise.
1379         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1380         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1381         * testsuite/experimental/random/randint.cc: Likewise.
1382         * testsuite/lib/libstdc++.exp
1383         (check_effective_target_random_device): New proc.
1384
1385 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1386             Jakub Jelinek  <jakub@redhat.com>
1387
1388         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
1389
1390 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1391
1392         PR libstdc++/86398
1393         * include/std/type_traits (is_trivially_constructible): Check
1394         is_constructible before __is_trivially_constructible.
1395         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
1396         tests, including negative cases.
1397         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
1398         zero for dg-error lineno.
1399         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
1400         Likewise.
1401
1402         * include/std/bit (__rotl, __rotr): Avoid branch.
1403         (_If_is_unsigned_integer): Use remove_cv_t.
1404         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
1405
1406 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
1407
1408         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
1409         * include/Makefile.am: Add new header.
1410         * include/Makefile.in: Regenerate.
1411         * include/precompiled/stdc++.h: Include new header.
1412         * include/std/bit: New header.
1413         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
1414         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
1415         Define for C++14.
1416         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
1417         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
1418         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
1419         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
1420         std::byte.
1421         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
1422         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
1423         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
1424         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
1425         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
1426         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
1427         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
1428         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
1429         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
1430         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
1431
1432         * include/bits/alloc_traits.h: Remove redundant preprocessor
1433         condition.
1434
1435 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
1436
1437         * include/bits/stl_algobase.h (__niter_wrap): New.
1438         (__copy_move_a2(_II, _II, _OI)): Use latter.
1439         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
1440         (fill_n(_OI, _Size, const _Tp&)): Likewise.
1441         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
1442         * include/debug/stl_iterator.h
1443         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
1444         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
1445         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
1446         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
1447
1448 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
1449
1450         P0758R1 Implicit conversion traits
1451         * include/std/type_traits [__cplusplus > 201703]
1452         (__is_convertible_helper::__is_nothrow_type): Define new member.
1453         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
1454         noexcept.
1455         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
1456         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
1457         new members.
1458         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
1459         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
1460         * testsuite/20_util/is_nothrow_convertible/requirements/
1461         explicit_instantiation.cc: New.
1462         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
1463         New.
1464
1465         P0887R1 The identity metafunction
1466         * include/std/type_traits (type_identity, type_identity_t): Define
1467         for C++2a.
1468         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
1469         * testsuite/20_util/type_identity/requirements/
1470         explicit_instantiation.cc:New.
1471         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
1472
1473         * include/bits/regex.h (sub_match::operator string_type): Call str().
1474         (sub_match::compare): Use _M_str() instead of str().
1475         (sub_match::_M_compare): New public function.
1476         (sub_match::__string_view): New helper type.
1477         (sub_match::_M_str): New overloaded functions to avoid creating a
1478         string_type object when not needed.
1479         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
1480         Use sub_match::_M_compare instead of creating string_type objects.
1481         Fix Doxygen comments.
1482         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
1483         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
1484         simplify.
1485         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
1486         __enable_if_t.
1487         * include/std/type_traits (__enable_if_t): Define for C++11.
1488         * testsuite/28_regex/sub_match/compare.cc: New.
1489         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
1490         trait.
1491         (input_iterator_wrapper): Use remove_cv for value_type argument of
1492         std::iterator base class.
1493
1494 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
1495
1496         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
1497         Add whitespace to dejagnu directive.
1498         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
1499
1500 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
1501
1502         * include/bits/stl_vector.h
1503         (struct _Vector_base<>::_Vector_impl_data): New.
1504         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
1505         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
1506         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
1507         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
1508         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
1509         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
1510         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
1511         (_Vector_base()): Default.
1512         (_Vector_base(_Vector_base&&)): Default.
1513         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
1514         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
1515         (_Vector_base::_M_create_storage(size_t)): Make protected.
1516         (vector()): Default.
1517         (vector(vector&&)): Default.
1518         (vector(vector&&, const allocator_type&, true_type)): New.
1519         (vector(vector&&, const allocator_type&, false_type)): New.
1520         (vector(vector&&, const allocator_type&)): Use latters.
1521         (vector(_InputIte, _InputIte, const allocator_type&)): Call
1522         _M_range_initialize directly.
1523         * include/debug/vector
1524         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
1525         * testsuite/23_containers/vector/allocator/default_init.cc: New.
1526         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
1527         static assertions.
1528
1529 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
1530
1531         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
1532         (__is_byte<byte>): Define specialization for std::byte.
1533
1534         PR libstdc++/86138
1535         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
1536         Declare explicit instantiations of COW empty reps and I/O functions.
1537
1538 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
1539
1540         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
1541         directives.
1542         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1543
1544 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
1545
1546         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
1547         noexcept.
1548
1549 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
1550
1551         PR libstdc++/86112
1552         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
1553         Replace dict comprehension.
1554
1555         PR libstdc++/81092
1556         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
1557
1558         PR libstdc++/86292
1559         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
1560         Add try-catch block.
1561         * testsuite/23_containers/vector/cons/86292.cc: New.
1562
1563         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
1564
1565         * include/experimental/algorithm (sample, shuffle): Add new overloads
1566         using per-thread random number engine.
1567         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
1568         dependencies by using __gnu_test::test_container.
1569         * testsuite/experimental/algorithm/sample-2.cc: New.
1570         * testsuite/experimental/algorithm/shuffle.cc: New.
1571
1572 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
1573
1574         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
1575         different size_t mangling on 32-bit targets.
1576
1577         PR libstdc++/86280
1578         * include/experimental/memory_resource
1579         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
1580         enough for result of left shift.
1581
1582         PR libstdc++/86138
1583         * include/bits/basic_string.tcc:
1584         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
1585         (basic_string<char>::_Rep::_S_empty_rep_storage)
1586         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
1587         instantiation declarations.
1588         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
1589         explicit instantiation declarations.
1590         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
1591         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
1592
1593 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
1594
1595         PR libstdc++/83328
1596         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
1597         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
1598         * configure: Regenerate.
1599         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
1600         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
1601         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
1602         (basic_string::insert(iterator, initializer_list<C>)): Suppress
1603         definition.
1604         * include/debug/string (basic_string::insert(iterator, C)): Change
1605         first parameter to const_iterator.
1606         (basic_string::insert(iterator, size_type, C)): Likewise. Change
1607         return type to iterator.
1608         (basic_string::insert(iterator, InputIterator, InputIterator)):
1609         Likewise.
1610         (basic_string::insert(iterator, initializer_list<C>)): Change first
1611         parameter to const_iterator and return type to iterator.
1612         * src/c++11/string-inst.cc: Extend comment.
1613         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
1614         New.
1615         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
1616         New.
1617         * testsuite/util/testsuite_abi.cc: Add new symbol version.
1618
1619         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
1620
1621         PR libstdc++/70940
1622         * include/experimental/memory_resource
1623         (__resource_adaptor_imp::do_deallocate): Add missing return.
1624         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
1625         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
1626         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
1627         __gnu_cxx::malloc_allocator.
1628
1629         PR libstdc++/70940
1630         * include/experimental/memory_resource (__resource_adaptor_common):
1631         New base class.
1632         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
1633         pointer from unaligned, and vice versa.
1634         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
1635         allocated pointer to meet alignment request.
1636         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
1637         original pointer for deallocation.
1638         (__resource_adaptor_imp::do_is_equal): Reformat.
1639         (__resource_adaptor_imp::_S_aligned_size): Remove.
1640         (__resource_adaptor_imp::_S_supported): Remove.
1641         (new_delete_resource): Use __gnu_cxx::new_allocator.
1642         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
1643         extended alignments and use debug_allocator to check for matching
1644         allocate/deallocate pairs.
1645
1646 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
1647
1648         * include/debug/safe_iterator.h
1649         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
1650         Compare __x base iterator with a value-initialized iterator of the
1651         same type.
1652
1653 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
1654
1655         PR libstdc++/70966
1656         * include/experimental/memory_resource (__resource_adaptor_imp): Add
1657         static assertions to enforce requirements on pointer types.
1658         (__resource_adaptor_imp::get_allocator()): Add noexcept.
1659         (new_delete_resource, null_memory_resource): Return address of an
1660         object with dynamic storage duration.
1661         (__null_memory_resource): Remove.
1662         * testsuite/experimental/memory_resource/70966.cc: New.
1663
1664         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
1665         missed from recent commit.
1666
1667 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
1668
1669         * include/std/utility: Remove unused <exception> header.
1670
1671 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
1672
1673         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
1674         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
1675         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
1676         a specialization of std::pair.
1677         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
1678         pair elements are constructed correctly.
1679
1680         LWG 2989 hide path iostream operators from normal lookup
1681         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
1682         friends.
1683         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
1684
1685         LWG 3050 Fix cv-qualification of convertibility constraints
1686         * include/std/chrono (duration, operator*, operator/, operator%): Use
1687         const-qualified type as source type in is_convertible constraints.
1688         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
1689         * testsuite/20_util/duration/cons/dr3050.cc: New.
1690         * testsuite/20_util/duration/literals/range.cc: Rename to...
1691         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
1692         dg-error lineno.
1693
1694 2018-06-18  Maya Rashish  <coypu@sdf.org>
1695
1696         * crossconfig.m4: Handle OpenBSD just like NetBSD.
1697         * configure: Rebuilt.
1698
1699 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
1700
1701         P0754R2 <version> header
1702         * include/Makefile.am: Add new header.
1703         * include/Makefile.in: Regenerate.
1704         * include/bits/c++config: Change doxygen comment to suggest <version>
1705         instead of <iosfwd>.
1706         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
1707         unconditionally.  Add C++17 and C++20 headers.
1708         * include/std/version: New header.
1709         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
1710         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
1711         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
1712         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
1713         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
1714         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
1715         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
1716         New.
1717         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
1718         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
1719         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
1720         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
1721         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
1722         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
1723         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
1724         New.
1725         * testsuite/18_support/headers/version/macros.cc: New.
1726         * testsuite/18_support/headers/version/macros.cc: New.
1727
1728         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
1729         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
1730         symlink.
1731         * config.h.in: Regenerate.
1732         * configure: Regenerate.
1733         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
1734
1735         LWG 3035. std::allocator's constructors should be constexpr
1736         * include/bits/allocator.h (allocator): Add constexpr to constructors
1737         for C++2a. Replace dynamic exception specifications with NOTHROW
1738         macro.
1739         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
1740         NOTHROW.
1741         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
1742         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
1743         to constructors for C++2a.
1744         * include/ext/new_allocator.h (new_allocator): Likewise.
1745
1746 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
1747
1748         LWG 3076 basic_string CTAD ambiguity
1749         * doc/xml/manual/intro.xml: Document LWG 3076 change.
1750         * include/bits/basic_string.h
1751         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
1752         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
1753         template constrained by _RequireAllocator.
1754         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
1755         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
1756         Define.
1757         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
1758         deduction
1759         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1760         Likewise.
1761
1762 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
1763
1764         PR libstdc++/86169
1765         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1766         (basic_string::data()): Unshare string.
1767         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
1768         New.
1769
1770         * include/std/string_view (basic_string_view(const CharT*)): Remove
1771         check for null pointer and add nonnull attribute.
1772         (compare(const CharT*), compare(size_type, size_type, const CharT*))
1773         (find(const CharT*, size_type), rfind(const CharT*, size_type))
1774         (find_first_of(const CharT*, size_type))
1775         (find_last_of(const CharT*, size_type))
1776         (find_first_not_of(const CharT*, size_type))
1777         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
1778         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
1779         * testsuite/21_strings/basic_string_view/operations/compare/char/
1780         nonnull.cc: New.
1781         * testsuite/21_strings/basic_string_view/operations/find/char/
1782         nonnull.cc: New.
1783         * testsuite/21_strings/basic_string_view/operations/rfind/char/
1784         nonnull.cc: New.
1785
1786         PR libstdc++/86168
1787         * include/bits/random.h (random_device(const string&)): Remove
1788         default argument.
1789
1790         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
1791         define for C++17 and above.
1792
1793         LWG 2993 reference_wrapper<T> conversion from T&&
1794         * doc/xml/manual/intro.xml: Document LWG 2993 change.
1795         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
1796         (reference_wrapper(_Tp&&)): Remove.
1797         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
1798         template.
1799         (reference_wrapper): Add deduction guide.
1800         * testsuite/20_util/reference_wrapper/deduction.cc: New.
1801         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
1802
1803         LWG 3039 Unnecessary decay in thread and packaged_task
1804         * include/std/future (__constrain_pkgdtask): Replace with ...
1805         (packaged_task::__not_same): New alias template, using
1806         __remove_cvref_t instead of decay.
1807         * include/std/thread (thread::__not_same): Add comment.
1808
1809 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
1810
1811         LWG 3075 basic_string needs deduction guides from basic_string_view
1812         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
1813         deduction from string views.
1814         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1815         Likewise.
1816
1817         LWG 3074 make scalar types non-deduced in valarray non-member functions
1818         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
1819         scalar parameters to be a non-deduced context.
1820         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
1821         whitespace.
1822         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
1823         * testsuite/26_numerics/valarray/transcend.cc: New.
1824
1825         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
1826         Move back to <utility>.
1827         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
1828         Restore to here.
1829
1830         P0935R0 Eradicating unnecessarily explicit default constructors
1831         * include/backward/strstream (strstreambuf): Add non-explicit default
1832         constructor.
1833         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
1834         Likewise.
1835         * include/bits/regex.h (match_results): Likewise.
1836         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
1837         default constructor.
1838         * testsuite/22_locale/conversions/string/1.cc: Likewise.
1839         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
1840         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
1841
1842         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
1843         macro from <utility> and change type to long.
1844         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
1845         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
1846         macro.
1847
1848         P0935R0 Eradicating unnecessarily explicit default constructors
1849         * include/bits/random.h (uniform_real_distribution::param_type)
1850         (normal_distribution::param_type, lognormal_distribution::param_type)
1851         (gamma_distribution::param_type, chi_squared_distribution::param_type)
1852         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
1853         (student_t_distribution::param_type)
1854         (bernoulli_distribution::param_type)
1855         (binomial_distribution::param_type)
1856         (geometric_distribution::param_type)
1857         (negative_binomial_distribution::param_type)
1858         (poisson_distribution::param_type)
1859         (exponential_distribution::param_type)
1860         (weibull_distribution::param_type)
1861         (extreme_value_distribution::param_type): Add non-explicit default
1862         constructors. Remove default argument for first parameter of explicit
1863         constructors.
1864         * include/bits/uniform_int_dist.h
1865         (uniform_int_distribution::param_type): Likewise.
1866         * include/ext/random
1867         (beta_distribution::param_type, rice_distribution::param_type)
1868         (nakagami_distribution::param_type, pareto_distribution::param_type)
1869         (k_distribution::param_type, arcsine_distribution::param_type)
1870         (hoyt_distribution::param_type, triangular_distribution::param_type)
1871         (von_mises_distribution::param_type)
1872         (hypergeometric_distribution::param_type)
1873         (logistic_distribution::param_type)
1874         (uniform_inside_sphere_distribution::param_type): Likewise.
1875         (uniform_on_sphere_distribution::param_type): Make default constructor
1876         non-explicit.
1877         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
1878         Test param_type for non-explicit default constructor.
1879         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
1880         Likewise.
1881         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
1882         Likewise.
1883         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
1884         Likewise.
1885         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
1886         Likewise.
1887         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
1888         Likewise.
1889         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
1890         Likewise.
1891         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
1892         Likewise.
1893         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
1894         Likewise.
1895         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
1896         Likewise.
1897         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
1898         Likewise.
1899         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
1900         Likewise.
1901         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
1902         Likewise.
1903         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
1904         Likewise.
1905         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
1906         Likewise.
1907         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
1908         Likewise.
1909         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
1910         Likewise.
1911         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
1912         Likewise.
1913         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
1914         Likewise.
1915         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
1916         Likewise.
1917         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
1918         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
1919         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
1920         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
1921         Likewise.
1922         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
1923         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
1924         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
1925         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
1926         Likewise.
1927         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
1928         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
1929         * testsuite/ext/random/triangular_distribution/cons/default.cc:
1930         Likewise.
1931         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
1932         Likewise.
1933         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
1934         Likewise.
1935         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
1936         Likewise.
1937
1938 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
1939             Jonathan Wakely  <jwakely@redhat.com>
1940
1941         PR libstdc++/83982
1942         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
1943         Default-construct new elements before moving existing ones.
1944         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
1945         New.
1946
1947 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
1948
1949         PR libstdc++/86127
1950         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
1951         unused typedef.
1952         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
1953         Use node allocator to create and destroy elements.
1954         (forward_list::_Tp_alloc_type): Remove unused typedef.
1955         (forward_list::_Alloc_traits): Use allocator_traits instead of
1956         __gnu_cxx::__alloc_traits.
1957
1958 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
1959
1960         * include/debug/helper_functions.h
1961         (__gnu_debug::_Safe_iterator<>): Add declaration.
1962         (__can_advance(_Ite, _Size)): New.
1963         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
1964         * include/debug/functions.h
1965         (__gnu_debug::_Safe_iterator<>): Remove declaration.
1966         * include/debug/stl_iterator.h
1967         (__can_advance(const _Safe_iterator<>&)): New definition.
1968         * include/debug/stl_iterator.h
1969         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
1970         (__can_advance(const std::move_iterator<>&, _Size)): New.
1971         * include/debug/macros.h (__glibcxx_check_can_increment): New.
1972         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
1973         * include/bits/stl_algobase.h (fill_n): Use latter.
1974         * testsuite/25_algorithms/fill_n/2.cc: New.
1975         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
1976         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
1977         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
1978         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
1979
1980         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
1981         (__glibcxx_requires_can_decrement_range): New.
1982
1983 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
1984
1985         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
1986         (__glibcxx_check_can_decrement_range): New.
1987         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
1988         __glibcxx_requires_can_increment_range.
1989         (std::move(_II, _II, _OI)): Likewise.
1990         (std::copy_backward(_BI, _BI, _BI2)): Use
1991         __glibcxx_requires_can_decrement_range.
1992         (std::move_backward(_BI, _BI, _BI2)): Likewise.
1993         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
1994         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
1995         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
1996         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
1997         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
1998         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
1999
2000 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
2001
2002         P0935R0 Eradicating unnecessarily explicit default constructors
2003         * include/bits/random.h (linear_congruential_engine)
2004         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
2005         (uniform_real_distribution, normal_distribution)
2006         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
2007         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
2008         (bernoulli_distribution, binomial_distribution,geometric_distribution)
2009         (negative_binomial_distribution, exponential_distribution)
2010         (weibull_distribution, extreme_value_distribution): Add non-explicit
2011         default constructors. Remove default argument for first parameter of
2012         explicit constructors.
2013         (piecewise_constant_distribution, piecewise_linear_distribution):
2014         Make default constructor non-explicit.
2015         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
2016         non-explicit default constructors. Remove default argument for first
2017         parameter of explicit constructor.
2018         * include/ext/random
2019         (simd_fast_mersenne_twister_engine, beta_distribution)
2020         (rice_distribution, nakagami_distribution, pareto_distribution)
2021         (k_distribution, arcsine_distribution, hoyt_distribution)
2022         (triangular_distribution, von_mises_distribution)
2023         (hypergeometric_distribution, logistic_distribution)
2024         (uniform_inside_sphere_distribution): Likewise.
2025         (uniform_on_sphere_distribution): Make default constructor
2026         non-explicit.
2027         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2028         Test for non-explicit default constructor. Fix references to standard.
2029         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2030         Likewise.
2031         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2032         Likewise.
2033         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2034         Likewise.
2035         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2036         Likewise.
2037         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2038         Likewise.
2039         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2040         Likewise.
2041         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2042         Likewise.
2043         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2044         Likewise.
2045         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2046         Likewise.
2047         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2048         Likewise.
2049         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2050         Likewise.
2051         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2052         Likewise.
2053         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2054         Likewise.
2055         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2056         Likewise.
2057         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2058         Likewise.
2059         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2060         Likewise.
2061         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2062         Likewise.
2063         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2064         Likewise.
2065         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2066         Likewise.
2067         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2068         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2069         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2070         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2071         Likewise.
2072         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2073         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2074         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2075         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2076         Likewise.
2077         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2078         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2079         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2080         Likewise.
2081         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2082         Likewise.
2083         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2084         Likewise.
2085         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2086         Likewise.
2087         * testsuite/util/testsuite_common_types.h
2088         (implicitly_default_constructible): New helper.
2089
2090 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
2091
2092         * include/bits/ios_base.h (ios::Init::Init(const Init&))
2093         (ios::Init::operator=): Define as defaulted.
2094         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
2095         Likewise.
2096         * include/bits/stream_iterator.h (istream_iterator::operator=)
2097         (ostream_iterator::operator=): Likewise.
2098         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
2099         Likewise.
2100         * include/std/bitset (bitset::reference::reference(const reference&)):
2101         Likewise.
2102         * include/std/complex (complex<float>::complex(const complex&))
2103         (complex<double>::complex(const complex&))
2104         (complex<long double>::complex(const complex&)): Likewise.
2105
2106 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
2107
2108         * include/bits/regex.h (sub_match): Add noexcept to default
2109         constructor and length observer.
2110         (match_results): Add noexcept to default constructor and observers
2111         with no preconditions. Define destructor as defaulted.
2112         (operator==, operator!=, swap): Add noexcept.
2113         (regex_iterator): Add default member initializers and define default
2114         constructor and destructor as defaulted. Add noexcept to equality
2115         and dereference operators.
2116
2117 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
2118
2119         * src/c++11/debug.cc
2120         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
2121         (_Safe_iterator_base::_M_detach_single()): Likewise.
2122         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
2123         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
2124
2125 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2126
2127         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
2128         move of const value.
2129
2130 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
2131
2132         PR c++/86068
2133         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
2134         rather than __cpp_transactional_memory >= 201505L.
2135
2136 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2137
2138         PR libstdc++/86008
2139         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
2140         Define new partial specialization.
2141         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
2142         new overload.
2143         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
2144         value not reference for iteration.
2145         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
2146         comment.
2147         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
2148         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
2149         comment.
2150
2151 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
2152
2153         * include/std/type_traits: Fix comment typos.
2154
2155         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
2156         mingw* targets.
2157         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2158         * testsuite/experimental/filesystem/operations/read_symlink.cc:
2159         Likewise.
2160
2161 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
2162
2163         * include/bits/stl_tempbuf.h
2164         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
2165         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
2166         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
2167         * include/bits/stl_algo.h (__stable_partition): Adapt.
2168         (__inplace_merge): Adapt.
2169         (__stable_sort): Adapt.
2170
2171 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
2172
2173         PR libstdc++/85930
2174         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
2175         unconditionally. Remove redundant declaration.
2176         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
2177         alignment-specifier.
2178
2179         * include/bits/postypes.h (fpos): Define special members as defaulted.
2180
2181         PR libstdc++/85930
2182         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
2183         the static variable correctly.
2184
2185 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2186
2187         PR libstdc++/78870 support std::filesystem on Windows
2188         * config.h.in: Regenerate.
2189         * configure: Regenerate.
2190         * configure.ac: Check for link, readlink and symlink.
2191         * include/bits/fs_path.h (path::operator/=(const path&)): Move
2192         definition out of class body.
2193         (path::is_absolute(), path::_M_append(path)): Likewise.
2194         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
2195         (operator>>(basic_istream, path&)): Likewise.
2196         (u8path): Reorder definitions and fix Windows implementation.
2197         (path::is_absolute()): Define inline and fix for Windows.
2198         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2199         Define POSIX version inline.
2200         (path::_M_append(path)): Define inline.
2201         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
2202         definition out of class body.
2203         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
2204         escape characters.
2205         (operator>>(basic_istream, path&)): Likewise.
2206         (path::is_absolute()): Define inline and fix for Windows.
2207         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
2208         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
2209         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
2210         Define as adaptors for Windows functions/types or as
2211         using-declarations for POSIX functions/types.
2212         (_Dir_base, get_file_type): Qualify names to use declarations from
2213         __gnu_posix namespace.
2214         (_Dir_base::is_dor_or_dotdot): New helper functions.
2215         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
2216         names to use declarations from __gnu_posix namespace.
2217         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
2218         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
2219         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
2220         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
2221         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
2222         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
2223         Define as adaptors for Windows functions/types or as
2224         using-declarations for POSIX functions/types.
2225         (stat_type, do_copy_file): Qualify names to use declarations from
2226         __gnu_posix namespace.
2227         (do_space): Declare new function.
2228         (make_file_type): Only use S_ISLNK if defined.
2229         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
2230         path::value_type not char.
2231         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2232         names to use declarations from __gnu_posix namespace.
2233         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2234         add implementation for Windows.
2235         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2236         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2237         [!_PC_PATH_MAX]: Don't use pathconf.
2238         [PATH_MAX]: Use if defined.
2239         (filesystem::current_path(const path&, error_code&))
2240         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2241         (filesystem::last_write_time, filesystem::permissions): Use names
2242         from __gnu_posix.
2243         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2244         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2245         implementation for Windows.
2246         (filesystem::rename, filesystem::resize_file): Use names from
2247         __gnu_posix.
2248         (filesystem::space): Use do_space.
2249         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
2250         (filesystem::status, filesystem::symlink_status): Use names from
2251         __gnu_posix.
2252         (filesystem::temp_directory_path): Add implementation for Windows.
2253         * src/filesystem/path.cc (dot): Define constant.
2254         (path::replace_extension): Use dot.
2255         (path::_M_find_extension): Likewise. Use path::string_type not
2256         std::string.
2257         (path::_M_split_cmpts): Use dot.
2258         (filesystem_error::_M_get_what): Use u8string() not native().
2259         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
2260         Qualify names to use declarations from __gnu_posix namespace.
2261         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
2262         correct error_code.
2263         (filesystem::absolute(const path&, error_code&)): Add implementation
2264         for Windows.
2265         (char_ptr, filesystem::canonical): Use path::value_type not char.
2266         (do_copy_file): Use names from __gnu_posix.
2267         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
2268         sendfile.
2269         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2270         names to use declarations from __gnu_posix namespace.
2271         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2272         add implementation for Windows.
2273         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2274         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2275         [!_PC_PATH_MAX]: Don't use pathconf.
2276         [PATH_MAX]: Use if defined.
2277         (filesystem::current_path(const path&, error_code&))
2278         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2279         (filesystem::last_write_time, filesystem::permissions): Use names
2280         from __gnu_posix.
2281         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2282         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2283         implementation for Windows.
2284         (filesystem::rename, filesystem::resize_file): Use names from
2285         __gnu_posix.
2286         (do_space): Define.
2287         (filesystem::space): Use do_space.
2288         (filesystem::status, filesystem::symlink_status): Use names from
2289         __gnu_posix.
2290         (filesystem::temp_directory_path): Add implementation for Windows.
2291         * src/filesystem/std-path.cc
2292         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2293         Define for Windows.
2294         (dot): Define constant.
2295         (path::replace_extension, is_dot): Use dot.
2296         (path::lexically_normal): Check _M_type instead of calling
2297         non-existent function.
2298         (path::_M_find_extension): Use dot. Use path::string_type not
2299         std::string.
2300         (path::_M_split_cmpts): Use dot.
2301         (filesystem_error::_M_get_what): Use u8string() not native().
2302         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
2303         use symlinks.
2304         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2305         Likewise.
2306         * testsuite/27_io/filesystem/operations/absolute.cc: Use
2307         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
2308         * testsuite/27_io/filesystem/operations/canonical.cc: Use
2309         path::string() to get narrow string, not path::native().
2310         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
2311         with std::filesystem::path not std::basic_string.
2312         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
2313         * testsuite/27_io/filesystem/operations/exists.cc: Use
2314         __gnu_test::root_path() instead of "/".
2315         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
2316         fstreams with std::filesystem::path not std::basic_string.
2317         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
2318         path::string() to get narrow string.
2319         * testsuite/27_io/filesystem/operations/space.cc: Check results for
2320         errors, expect sensible values otherwise.
2321         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
2322         helpers for adjusting the environment on Windows.
2323         * testsuite/27_io/filesystem/path/append/path.cc: Test
2324         Windows-specific behaviour.
2325         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
2326         of path::string_type objects.
2327         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
2328         string to wide string on Windows.
2329         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
2330         for backslash as root-directory.
2331         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
2332         path::string() to get narrow string.
2333         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
2334         paths.
2335         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
2336         not std::string.
2337         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
2338         different definintion of absolute paths on Windows.
2339         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
2340         Do not use symlinks.
2341         * testsuite/experimental/filesystem/operations/absolute.cc: Test
2342         Windows behaviour.
2343         * testsuite/experimental/filesystem/operations/copy.cc: Construct
2344         fstreams with NTCTS not std::basic_string.
2345         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
2346         * testsuite/experimental/filesystem/operations/exists.cc: Use
2347         __gnu_test::root_path() instead of "/".
2348         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
2349         fstreams with NTCTS not std::basic_string.
2350         * testsuite/experimental/filesystem/operations/last_write_time.cc:
2351         Use path::string() to get narrow string.
2352         * testsuite/experimental/filesystem/operations/space.cc: Use
2353         __gnu_test::root_path() instead of "/".
2354         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
2355         Add helpers for adjusting the environment on Windows.
2356         * testsuite/experimental/filesystem/path/append/path.cc: Use
2357         path::string() to get narrow strings for comparisons.
2358         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
2359         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
2360         Likewise.
2361         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
2362         * testsuite/experimental/filesystem/path/native/string.cc: Use
2363         string_type not std::string.
2364         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
2365         Adjust for different definintion of absolute paths on Windows.
2366         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
2367         function.
2368         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
2369         std::basic_string.
2370
2371 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
2372
2373         PR libstdc++/85951
2374         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
2375         uint_least16_t and uint_least32_t.
2376         (__make_unsigned<wchar_t>): Define unconditionally.
2377         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
2378         typedefs.
2379         (__make_unsigned_selector_base): New type to provide helper templates.
2380         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
2381         __make_unsigned_selector_base helpers.
2382         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
2383         (__make_signed_selector<_Tp, true, false>): Remove intermediate
2384         typedefs.
2385         (__make_signed<wchar_t>, __make_signed<char16_t>)
2386         (__make_signed<char32_t>)): Define unconditionally.
2387         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
2388         wchar_t, char16_t and char32_t are transformed correctly.
2389         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
2390         dg-error lineno.
2391         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
2392         wchar_t, char16_t and char32_t are transformed correctly.
2393         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
2394         dg-error lineno.
2395
2396 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
2397
2398         * include/std/variant (__erased_dtor): Qualify call to __get.
2399
2400 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
2401
2402         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
2403         (_Rb_tree(const allocator_type&)): Use latter.
2404         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
2405         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
2406         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
2407         * include/bits/stl_multimap.h
2408         (multimap(const allocator_type&)): Likewise.
2409         (multimap(initializer_list<value_type>, const allocator_type&)):
2410         Likewise.
2411         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
2412         Likewise.
2413         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
2414         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
2415         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
2416         * include/bits/stl_multiset.h
2417         (multiset(const allocator_type&)): Likewise.
2418         (multiset(initializer_list<value_type>, const allocator_type&)):
2419         Likewise.
2420         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
2421         Likewise.
2422
2423 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
2424
2425         PR libstdc++/85768
2426         * src/c++11/debug.cc: Remove backtrace usage.
2427
2428 2018-05-24  Maya Rashish  <coypu@sdf.org>
2429
2430         PR target/85904
2431         * crossconfig.m4: Test for aligned_alloc on netbsd.
2432         * configure: Regenerate.
2433
2434 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2435
2436         PR libstdc++/69769
2437         PR libstdc++/85886
2438         * include/bits/atomic_base.h (__atomic_base::value_type)
2439         (__atomic_base::difference_type): Add new typedefs.
2440         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
2441         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
2442         (atomic<T*>::operator++, atomic<T*>::operator--)
2443         (atomic<T*>::operator+=, atomic<T*>::operator-=)
2444         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
2445         to enforce C++17 requirement on pointer arithmetic.
2446         (__atomic_val_t, __atomic_diff_t): New alias templates.
2447         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
2448         (atomic_compare_exchange_weak_explicit)
2449         (atomic_compare_exchange_strong_explicit, atomic_store)
2450         (atomic_exchange, atomic_compare_exchange_weak)
2451         (atomic_compare_exchange_strong): Use __atomic_val_t to make
2452         scalar parameters be non-deduced contexts.
2453         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
2454         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
2455         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
2456         parameters.
2457         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
2458         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
2459         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
2460         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
2461         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
2462         address types.
2463         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
2464         * testsuite/29_atomics/atomic/69769.cc: New test.
2465         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
2466         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
2467         Disable test for C++17 and later.
2468         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
2469         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
2470         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
2471         test.
2472
2473 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
2474
2475         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
2476         template to alias template.
2477         (path::__value_type_is_char): Use remove_const_t.
2478         (path:_S_string_from_iter): New helper function.
2479         (path::_S_convert(InputIter, __null_terminated))
2480         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
2481         Use _S_string_from_iter.
2482         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
2483         rep for COW strings.
2484         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
2485         Change from class template to alias template.
2486         (path::__value_type_is_char): Use remove_const.
2487         (path:_S_string_from_iter): New helper function.
2488         (path::_S_convert(InputIter, __null_terminated))
2489         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
2490         Use _S_string_from_iter.
2491         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
2492         wide strings.
2493         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
2494         string equality, not path equivalence.
2495         * testsuite/27_io/filesystem/path/construct/format.cc: Check
2496         construction from std::string and std::wstring and input iterators.
2497         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
2498         construction from iterators.
2499         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
2500         exact string equality, not path equivalence.
2501         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
2502         construction from iterators.
2503
2504         * include/bits/fs_path.h (path::_M_type): Change default member
2505         initializer to _Filename.
2506         (path::begin): Create past-the-end iterator for empty path.
2507         * src/filesystem/std-path.cc (path::remove_filename()): Remove
2508         debugging check.
2509         (path::has_relative_path()): Return false for empty filenames.
2510         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
2511         Fix offset of empty final component.
2512         * testsuite/27_io/filesystem/path/itr/components.cc: New.
2513         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
2514
2515 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
2516
2517         Add support for opening file streams from wide character strings.
2518         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
2519         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
2520         Define new overload.
2521         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
2522         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
2523         Declare new overload.
2524         * configure.ac: Check for _wfopen.
2525         * crossconfig.m4: Likewise.
2526         * configure: Regenerate.
2527         * config.h.in: Regenerate.
2528         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
2529         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
2530         Define new overload.
2531         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
2532         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
2533         Declare new overload.
2534         [_GLIBCXX_HAVE__WFOPEN]
2535         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
2536         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
2537         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
2538         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
2539         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
2540         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
2541         new overloads.
2542         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
2543         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
2544         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
2545         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
2546         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
2547         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
2548         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
2549
2550 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
2551
2552         PR libstdc++/85845
2553         * include/bits/stl_tree.h
2554         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
2555         qualification.
2556
2557 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
2558
2559         * src/filesystem/std-ops.cc (absolute): Report an error for empty
2560         paths.
2561         (weakly_canonical(const path&)): Do not call canonical on empty path.
2562         (weakly_canonical(const path&, error_code&)): Likewise.
2563         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
2564
2565         PR libstdc++/85818
2566         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
2567         dg-require-filesystem-ts.
2568
2569         PR libstdc++/85843
2570         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
2571         initialize base class to avoid warnings.
2572
2573 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
2574
2575         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
2576         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
2577         little_endian element in bitmask.
2578         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
2579         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
2580
2581 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
2582
2583         * include/bits/stl_tree.h
2584         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
2585         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
2586         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
2587         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
2588         * include/debug/map.h
2589         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
2590         * include/debug/multimap.h
2591         (multimap(multimap&&, const_allocator_type&)): Likewise.
2592         * include/debug/set.h
2593         (set(set&&, const_allocator_type&)): Likewise.
2594         * include/debug/multiset.h
2595         (multiset(multiset&&, const_allocator_type&)): Likewise.
2596         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
2597         Add checks.
2598         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
2599         Add checks.
2600         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
2601         Add checks.
2602         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
2603         Add checks.
2604         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
2605         Add checks.
2606         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
2607         Add checks.
2608         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
2609         Add checks.
2610         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
2611         Add checks.
2612
2613 2018-05-18  Jason Merrill  <jason@redhat.com>
2614
2615         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
2616         for conversion to const_iterator.  Add defaulted copy ops.
2617         * libsupc++/new (bad_alloc): Add defaulted copy ops.
2618         * libsupc++/exception.h (exception): Add defaulted copy ops.
2619         * include/std/system_error (system_error): Add defaulted copy ops.
2620         * include/std/stdexcept (domain_error, invalid_argument)
2621         (length_error, out_of_range, range_error, overflow_error)
2622         (underflow_error): Add defaulted copy ops.
2623         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
2624         copy assignment.
2625         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
2626         * include/ext/throw_allocator.h (condition_base): Add defaulted
2627         default and copy ctor and copy assignment.
2628
2629 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
2630
2631         PR libstdc++/85098
2632         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
2633         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
2634         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
2635         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
2636         definitions.
2637         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
2638         whitespace.
2639         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
2640         braces around body of do-while.
2641         * testsuite/28_regex/basic_regex/85098.cc: New
2642
2643 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
2644
2645         PR libstdc++/85818
2646         * src/filesystem/path.cc (path::preferred_separator): Add used
2647         attribute.
2648         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
2649
2650         PR libstdc++/85812
2651         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
2652         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
2653         Refactor to separate non-throwing and throwing implementations.
2654         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
2655         if constructing the object throws.
2656
2657 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
2658
2659         PR libstdc++/85749
2660         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
2661         (linear_congruential_engine, mersenne_twister_engine)
2662         (subtract_with_carry_engine, discard_block_engine)
2663         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
2664         constrain function templates taking seed sequences.
2665         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
2666         (mersenne_twister_engine::seed(_Sseq&))
2667         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
2668         match declarations.
2669         * include/ext/random (simd_fast_mersenne_twister_engine): Use
2670         __is_seed_seq to constrain function templates taking seed sequences.
2671         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
2672         Change return type to match declaration.
2673         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
2674         New.
2675         * testsuite/26_numerics/random/independent_bits_engine/cons/
2676         seed_seq2.cc: New.
2677         * testsuite/26_numerics/random/linear_congruential_engine/cons/
2678         seed_seq2.cc: New.
2679         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
2680         seed_seq2.cc: New.
2681         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
2682         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
2683         New.
2684         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
2685         seed_seq2.cc: New.
2686         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
2687         seed_seq2.cc: New.
2688
2689         PR libstdc++/83891
2690         * include/bits/fs_path.h (path::is_absolute()): Use same definition
2691         for all operating systems.
2692         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
2693         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
2694         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
2695         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
2696
2697         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
2698         unused <vector> header.
2699         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
2700         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
2701         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
2702         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
2703         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
2704         Likewise.
2705         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
2706         Likewise.
2707         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
2708         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
2709         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
2710         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
2711         * testsuite/experimental/filesystem/path/decompose/extension.cc:
2712         Likewise.
2713         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
2714         * testsuite/experimental/filesystem/path/query/has_extension.cc:
2715         Likewise.
2716         * testsuite/experimental/filesystem/path/query/has_filename.cc:
2717         Likewise.
2718         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
2719         Likewise.
2720         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
2721         Likewise.
2722         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
2723         Likewise.
2724         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
2725         Likewise.
2726         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
2727         Likewise.
2728         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
2729         * testsuite/experimental/filesystem/path/query/is_relative.cc:
2730         Likewise.
2731
2732         PR libstdc++/84159
2733         * include/bits/fs_path.h (path::operator/=, path::append): Construct
2734         temporary path before calling _M_append.
2735         (path::_M_append): Change parameter to path and implement C++17
2736         semantics.
2737         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
2738         and more examples from the standard.
2739         * testsuite/27_io/filesystem/path/append/source.cc: New.
2740         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
2741         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
2742
2743         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
2744         __invoke to prevent ADL.
2745
2746 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
2747
2748         PR libstdc++/81256
2749         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
2750         exceptions from _M_terminate_output().
2751         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
2752         exceptions from close().
2753         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
2754
2755         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
2756         (__valarray_get_storage): Call operator new directly. Remove ignored
2757         top-level restrict qualifier and add malloc attribute instead.
2758         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
2759
2760         PR libstdc++/67554
2761         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
2762         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
2763
2764         PR libstdc++/82966
2765         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
2766         instead of type.
2767         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
2768
2769 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
2770
2771         PR libstdc++/80165
2772         * testsuite/20_util/variant/80165.cc: New.
2773
2774 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
2775
2776         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
2777         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
2778         of C++11 containers with Debug Mode support.
2779         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
2780         * doc/html/*: Regenerate.
2781
2782 2018-05-10  Jason Merrill  <jason@redhat.com>
2783
2784         * include/bits/regex_compiler.h (_S_cache_size): Change from
2785         function to variable.
2786
2787 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
2788
2789         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
2790         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
2791         argument defaulted to +1.  Doxy comments on same.
2792         * testsuite/special_functions/02_assoc_legendre/
2793         check_value.cc: Regen.
2794         * testsuite/tr1/5_numerical_facilities/special_functions/
2795         02_assoc_legendre/check_value.cc: Regen.
2796
2797 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
2798
2799         PR libstdc++/85729
2800         * include/bits/c++config.h (__replacement_assert): Add linkage
2801         specification.
2802         * include/bits/std_abs.h: Add comment to closing brace of block.
2803         * include/c_global/cstddef: Add linkage specification.
2804         * include/c_global/cstring: Likewise.
2805         * include/c_global/cwchar: Likewise.
2806
2807 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
2808
2809         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
2810         Rename in...
2811         (_Safe_iterator<>::_S_constant()): ...that.
2812         * include/debug/safe_local_iterator.h
2813         (_Safe_local_iterator<>::_M_constant()): Rename in...
2814         (_Safe_local_iterator<>::_S_constant()): ...that.
2815         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
2816         (_Iterator_state::__rbegin): New.
2817         (_Iterator_state::__rmiddle): New.
2818         (_Iterator_state::__rend): New.
2819         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
2820         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
2821         iterator type.
2822         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
2823         _Is_iterator)): Likewise.
2824         (_Parameter::_S_reverse_state(_Iterator_state)): New.
2825         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
2826         _Is_iterator)): New.
2827         (_Parameter(std::reverse_iterator<> const&, const char*,
2828         _Is_iterator)): New.
2829         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
2830         const char*, _Is_iterator)): New.
2831         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
2832         New.
2833         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
2834         _Is_iterator)): New.
2835         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
2836         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
2837         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
2838
2839 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
2840
2841         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
2842         Use constexpr if in C++17 mode.
2843         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
2844         Copy from const object.
2845         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
2846
2847 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
2848
2849         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
2850         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
2851         backtrace.
2852
2853         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
2854         * include/debug/functions.h (__check_valid_range): Use latter.
2855         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
2856         use latter.
2857         * include/debug/deque
2858         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
2859         * include/debug/forward_list
2860         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
2861         Likewise.
2862         * include/debug/list
2863         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
2864         * include/debug/list
2865         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
2866         * include/debug/map.h
2867         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
2868         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
2869         Likewise.
2870         * include/debug/multimap.h
2871         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
2872         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
2873         const _Alloc&)): Likewise.
2874         * include/debug/set.h
2875         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
2876         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
2877         Likewise.
2878         * include/debug/multiset.h
2879         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
2880         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
2881         const _Alloc&)): Likewise.
2882         * include/debug/string
2883         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
2884         Likewise.
2885         * include/debug/unordered_map
2886         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
2887         Likewise.
2888         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
2889         const _Alloc&)): Likewise.
2890         * include/debug/unordered_set
2891         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
2892         Likewise.
2893         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
2894         const _Alloc&)): Likewise.
2895         * include/debug/vector
2896         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
2897
2898         * include/debug/formatter.h (_Error_formatter::_M_function): New.
2899         (_Error_formatter(const char*, unsigned int)): Adapt.
2900         (_Error_formatter::_M_at): Rename in...
2901         (_Error_formatter::_S_at): ...that and adapt.
2902         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
2903         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
2904         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
2905         when available.
2906
2907 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
2908
2909         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
2910         Use normal std::vector even in Debug Mode.
2911
2912         PR libstdc++/85672
2913         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
2914         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
2915         * include/Makefile.in: Regenerate.
2916         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
2917         within conditional block.
2918
2919 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
2920
2921         * doc/xml/manual/using.xml (table.cmd_options): Document that the
2922         C++17 Filesystem implementation also needs -lstdc++fs.
2923
2924         PR libstdc++/85671
2925         * include/bits/fs_path.h (operator/): Permit copy elision.
2926         * include/experimental/bits/fs_path.h (operator/): Likewise.
2927
2928 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
2929
2930         Moar PR libstdc++/80506
2931         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
2932         Fix magic number used in loop condition.
2933
2934 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
2935
2936         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
2937         * include/std/optional (_Optional_payload): Add noexcept to default
2938         constructor. Re-indent.
2939         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
2940         constructor for copying disengaged payloads.
2941         (_Optional_payload<_Tp, true, false, true>): Likewise.
2942         (_Optional_payload<_Tp, true, true, false>): Likewise.
2943         (_Optional_payload<_Tp, true, false, false>): Likewise.
2944         * testsuite/20_util/optional/cons/85642.cc: New.
2945         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
2946
2947 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
2948
2949         PR libstdc++/82644
2950         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
2951         inline definitions instead of using-declarations.
2952         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
2953         * testsuite/tr1/5_numerical_facilities/special_functions/
2954         07_conf_hyperg/compile_cxx17.cc: New.
2955         * testsuite/tr1/5_numerical_facilities/special_functions/
2956         17_hyperg/compile_cxx17.cc: New.
2957
2958         PR libstdc++/84769
2959         * include/std/variant (visit): Qualify std::get call.
2960
2961         PR libstdc++/85632 use uintmax_t for arithmetic
2962         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
2963         arithmetic in result type.
2964         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
2965         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
2966         is greater than free space.
2967         * testsuite/experimental/filesystem/operations/space.cc: New.
2968
2969         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
2970         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
2971         New.
2972         * testsuite/20_util/remove_cvref/value.cc: New.
2973         * testsuite/20_util/remove_cvref/value_ext.cc: New.
2974
2975         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
2976         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
2977         (append(const basic_string&, size_type, size_type)
2978         (assign(const basic_string&, size_type, size_type)
2979         (insert(size_type, const basic_string&, size_type, size_type)
2980         (replace(size_type,size_type,const basic_string&,size_type,size_type)
2981         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
2982         Add default arguments (LWG 2268).
2983         [_GLIBCXX_USE_CXX11_ABI=0]
2984         (append(const basic_string&, size_type, size_type)
2985         (assign(const basic_string&, size_type, size_type)
2986         (insert(size_type, const basic_string&, size_type, size_type)
2987         (replace(size_type,size_type,const basic_string&,size_type,size_type)
2988         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
2989         Likewise.
2990         * testsuite/21_strings/basic_string/dr2268.cc: New test.
2991
2992         PR libstdc++/84535
2993         * include/std/thread (thread::__not_same): New SFINAE helper.
2994         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
2995         first argument is not a std::thread. Add static assertion to check
2996         INVOKE expression is valid.
2997         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
2998         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
2999         __invoke_result for return types and remove exception specifications.
3000         * testsuite/30_threads/thread/cons/84535.cc: New.
3001
3002         * include/std/future (__async_result_of): Use __invoke_result instead
3003         of result_of.
3004
3005         * include/std/any (any_cast): Use __remove_cvref_t.
3006         * include/std/tuple (__make_tuple): Likewise.
3007         * include/std/type_traits (__remove_cvref_t): Define.
3008         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
3009         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
3010         * include/std/variant (__erased_hash): Use __remove_cvref_t.
3011
3012 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
3013
3014         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
3015         ensure overloaded comma not used.
3016         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
3017         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
3018         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
3019         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
3020         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
3021         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
3022         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
3023
3024 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
3025
3026         PR libstdc++/68197
3027         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
3028         indices to unsigned.
3029         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
3030         as failure. Refactor error handling.
3031         * testsuite/27_io/ios_base/storage/68197.cc: New.
3032
3033         PR libstdc++/57997
3034         PR libstdc++/83860
3035         * include/bits/gslice_array.h (gslice_array): Define default
3036         constructor as deleted, as per C++11 standard.
3037         * include/bits/mask_array.h (mask_array): Likewise.
3038         * include/bits/slice_array.h (slice_array): Likewise.
3039         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
3040         to namespace __detail.
3041         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
3042         members.
3043         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
3044         of data members in closure objects.
3045         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
3046         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
3047         __detail.
3048         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
3049         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
3050         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
3051         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
3052         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
3053         using-declarations to namespace std.
3054         * testsuite/26_numerics/valarray/83860.cc: New.
3055
3056         * testsuite/backward/strstream_move.cc: Remove duplicate function
3057         call.
3058
3059         PR libstdc++/69608
3060         * include/backward/strstream (strstreambuf): Define move constructor
3061         and move assignment operator.
3062         (istrstream, ostrstream, strstream): Likewise.
3063         * testsuite/backward/strstream_move.cc: New.
3064
3065 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
3066
3067         PR libstdc++/84654
3068         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
3069         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
3070         * configure: Regenerate.
3071         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
3072         based on ENABLE_FLOAT128.
3073         * include/Makefile.in: Regenerate.
3074         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
3075         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
3076         _GLIBCXX_USE_FLOAT128.
3077
3078 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3079
3080         * configure: Regenerated.
3081
3082 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
3083
3084         * configure: Regenerated.
3085
3086 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3087             Jakub Jelinek  <jakub@redhat.com>
3088
3089         PR libstdc++/85442
3090         * src/c++11/Makefile.am: Don't generate debuginfo again for
3091         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
3092         * src/c++11/Makefile.in: Regenerate.
3093
3094 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3095
3096         PR libstdc++/84442
3097         * testsuite/30_threads/thread/cons/terminate.cc
3098         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
3099
3100 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
3101
3102         PR jit/85384
3103         * configure: Regenerate.
3104
3105 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
3106
3107         * testsuite/experimental/filesystem/file_status/1.cc: Add
3108         -DUSE_FILESYSTEM_TS to dg-options.
3109         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3110         Likewise.
3111         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
3112         * testsuite/experimental/filesystem/iterators/
3113         recursive_directory_iterator.cc: Likewise.
3114         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
3115         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3116         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3117         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3118         * testsuite/experimental/filesystem/operations/create_directories.cc:
3119         Likewise.
3120         * testsuite/experimental/filesystem/operations/create_directory.cc:
3121         Likewise.
3122         * testsuite/experimental/filesystem/operations/create_symlink.cc:
3123         Likewise.
3124         * testsuite/experimental/filesystem/operations/current_path.cc:
3125         Likewise.
3126         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
3127         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3128         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
3129         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3130         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3131         Likewise.
3132         * testsuite/experimental/filesystem/operations/permissions.cc:
3133         Likewise.
3134         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3135         Likewise.
3136         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3137         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
3138         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
3139         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3140         Likewise.
3141         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
3142         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
3143         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
3144         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
3145         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
3146         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
3147         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3148         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
3149         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
3150         * testsuite/experimental/filesystem/path/construct/default.cc:
3151         Likewise.
3152         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
3153         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
3154         * testsuite/experimental/filesystem/path/construct/string_view.cc:
3155         Likewise.
3156         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3157         Likewise.
3158         * testsuite/experimental/filesystem/path/decompose/filename.cc:
3159         Likewise.
3160         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
3161         Likewise.
3162         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
3163         Likewise.
3164         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3165         Likewise.
3166         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
3167         Likewise.
3168         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
3169         Likewise.
3170         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3171         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
3172         Likewise.
3173         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
3174         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
3175         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
3176         Likewise.
3177         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
3178         Likewise.
3179         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
3180         Likewise.
3181         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
3182         Likewise.
3183         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
3184         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
3185         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
3186         Likewise.
3187         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3188         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3189         Likewise.
3190         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3191         Likewise.
3192         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3193         Likewise.
3194         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3195         Likewise.
3196         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3197         Likewise.
3198         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3199         Likewise.
3200         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3201         Likewise.
3202         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3203         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3204         Likewise.
3205
3206 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
3207
3208         * src/c++11/Makefile.am: Fix sed command.
3209         * src/c++11/Makefile.in: Regenerate.
3210
3211         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
3212         handle mangled names starting with double underscores on darwin.
3213         * src/c++11/Makefile.in: Regenerate.
3214
3215 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
3216
3217         * src/c++11/Makefile.am: Fix comment.
3218         * src/c++11/Makefile.in: Regenerate.
3219         * src/c++11/cxx11-ios_failure.cc: Fix comment.
3220         * src/c++98/ios_failure.cc: Likewise.
3221
3222         * src/c++11/ios.cc: Remove redundant macro definition.
3223
3224 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
3225
3226         * doc/xml/manual/abi.xml: Document header locations in recent
3227         releases.
3228         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
3229         * doc/xml/manual/spine.xml: Update copyright years.
3230         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
3231         undefined behaviour.
3232         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
3233         * doc/html/*: Regenerate.
3234
3235 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
3236
3237         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
3238         * doc/xml/manual/backwards_compatibility.xml: Likewise.
3239         * doc/xml/manual/containers.xml: Likewise.
3240         * doc/xml/manual/debug_mode.xml: Likewise.
3241         * doc/xml/manual/extensions.xml: Likewise.
3242         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
3243         * doc/xml/manual/using.xml: Likewise.
3244         * doc/xml/manual/utilities.xml: Likewise.
3245
3246         PR libstdc++/85222
3247         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
3248         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
3249         * src/c++11/Makefile.in: Regenerate.
3250         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
3251         New types.
3252         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3253         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
3254         * src/c++98/ios_failure.cc (__construct_ios_failure)
3255         (__destroy_ios_failure, is_ios_failure_handler): New functions.
3256         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3257         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
3258         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
3259         handler types, to always catch std::ios_base::failure.
3260         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
3261         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
3262         exceptions_failbit.cc: Likewise.
3263         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
3264         exceptions_failbit.cc: Likewise.
3265         * testsuite/27_io/basic_istream/extractors_other/char/
3266         exceptions_null.cc: Likewise.
3267         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
3268         exceptions_null.cc: Likewise.
3269         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
3270         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
3271         * testsuite/27_io/basic_ostream/inserters_other/char/
3272         exceptions_null.cc: Likewise.
3273         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3274         exceptions_null.cc: Likewise.
3275         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3276
3277 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
3278
3279         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
3280         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
3281
3282 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
3283
3284         PR libstdc++/85183
3285         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
3286         value categories.
3287         * testsuite/20_util/variant/85183.cc: New.
3288
3289 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
3290
3291         * include/std/variant (__get): Qualify calls to avoid ADL.
3292         (__select_index): Adjust whitespace.
3293         (variant): Add using-declaration to workaround Clang bug.
3294
3295 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
3296
3297         PR libstdc++/85040
3298         * include/bits/stl_function.h (greater::__not_overloaded)
3299         (less::__not_overloaded, greater_equal::__not_overloaded)
3300         (less_equal::__not_overloaded): Fix ambiguous specializations.
3301         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
3302         tests for type with overloaded operators.
3303
3304 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3305
3306         PR libstdc++/77691
3307         * testsuite/experimental/memory_resource/resource_adaptor.cc:
3308         xfail execution on 32-bit Solaris/x86.
3309
3310 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
3311
3312         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
3313         VERIFY instead of assert.
3314         * testsuite/20_util/hash/84998.cc: New test.
3315         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
3316         copy of test adjusted for Debug Mode.
3317         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
3318         test in Debug Mode.
3319
3320 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
3321
3322         PR libstdc++/84998
3323         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
3324         * include/std/bitset: Likewise.
3325         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
3326         declaration.
3327         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
3328         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
3329         * include/bits/stl_set.h (std::set<>): Likewise.
3330         * include/bits/unordered_map.h (std::unordered_map<>): Fix
3331         _Hash_merge_helper friend declaration.
3332         (std::unordered_multimap<>): Likewise.
3333         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
3334         (std::unordered_multiset<>): Likewise.
3335
3336 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3337
3338         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
3339         trailing slash for domain level link.
3340         * doc/xml/faq.xml: Ditto.
3341         * doc/xml/manual/appendix_free.xml (software): Ditto.
3342         * doc/xml/manual/intro.xml: Ditto.
3343         * doc/xml/manual/spine.xml: Ditto.
3344         * doc/xml/spine.xml: Ditto.
3345
3346 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3347
3348         * doc/xml/manual/documentation_hacking.xml: Adjust link to
3349         docbook.org.
3350
3351 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
3352
3353         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
3354         to compile as C++98.
3355
3356 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
3357
3358         PR libstdc++/78420
3359         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
3360         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
3361         to ensure total order for pointers.
3362         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
3363         Add operator() overloads for pointer arguments and make generic
3364         overloads dispatch to new _S_cmp functions when comparisons would
3365         use built-in operators for pointers.
3366         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
3367
3368 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
3369
3370         PR libstdc++/84773
3371         PR libstdc++/83662
3372         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
3373         * configure: Regenerate.
3374         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
3375         (aligned_alloc): Add using-declaration.
3376         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
3377
3378 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
3379
3380         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
3381         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
3382         registration.
3383
3384 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
3385
3386         PR libstdc++/84769
3387         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
3388         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
3389
3390         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
3391         src/filesystem/std-ops.cc (create_dir): Likewise.
3392
3393 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
3394
3395         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
3396         (StdListIteratorPrinter): Inherit from latter.
3397         (StdFwdListIteratorPrinter): New, inherit from latter.
3398         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
3399         when iterator has no associated container.
3400         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
3401         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
3402         registrations.
3403         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
3404         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
3405
3406 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
3407
3408         PR libstdc++/84601
3409         * include/std/optional (_Optional_payload): Split into multiple
3410         specializations that can handle different cases of trivial or
3411         non-trivial assignment operators.
3412         * testsuite/20_util/optional/84601.cc: New.
3413         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
3414
3415 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
3416
3417         PR libstdc++/84671
3418         * include/bits/parse_numbers.h (_Number_help): Add partial
3419         specialization to handle digit separators. Adjust partial
3420         specialization for recursion temrination to require _Pow == 1ULL.
3421         * testsuite/20_util/duration/literals/84671.cc: New
3422
3423 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
3424
3425         Implement the missing bits of LWG 2769
3426         * include/std/any (any_cast(const any&)): Add static_assert.
3427         (any_cast(any&)): Likewise.
3428         (any_cast(any&&)): Likewise, and remove the handling
3429         for copyable-but-not-movable type.
3430         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
3431         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
3432         add new tests.
3433
3434 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
3435
3436         PR libstdc++/84532
3437         * include/std/thread (thread::__make_invoker): Construct tuple
3438         directly instead of using make_tuple.
3439         * testsuite/30_threads/async/84532.cc: New.
3440         * testsuite/30_threads/thread/84532.cc: New.
3441
3442 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
3443
3444         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
3445         (template<> __aligned_buffer): Define as __aligned_membuf alias.
3446
3447 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
3448
3449         PR target/84148
3450         * configure: Regenerate.
3451
3452 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
3453
3454         PR libstdc++/81797
3455         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
3456         * configure: Regenerate.
3457         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
3458         defined.
3459         * include/Makefile.in: Regenerate.
3460
3461 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
3462
3463         PR libstdc++/83833
3464         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
3465         Add -ffloat-store to options for m68k and ia32.
3466
3467         * doc/xml/faq.xml: Update copyright years.
3468         * doc/html/*: Regenerate.
3469
3470         PR libstdc++/83658
3471         * include/std/any (any::__do_emplace): Only set _M_manager after
3472         constructing the contained object.
3473         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
3474         * testsuite/20_util/any/modifiers/83658.cc: New test.
3475
3476 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
3477
3478         PR libstdc++/81076
3479         * include/c_global/cstddef (__byte_operand): Define primary template.
3480         * testsuite/18_support/byte/81076.cc: New test.
3481
3482 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
3483
3484         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
3485         dg-options and dg-add-options order.
3486         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
3487         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
3488         Likewise.
3489         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
3490         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
3491         Likewise.
3492         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
3493         Likewise.
3494         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
3495         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
3496         Likewise.
3497         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
3498         Likewise.
3499         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
3500         Likewise.
3501         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
3502         Likewise.
3503         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
3504         Likewise.
3505         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
3506         Likewise.
3507         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
3508         Likewise.
3509         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
3510         Likewise.
3511         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
3512         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
3513         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
3514         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
3515         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
3516         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
3517         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
3518         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
3519         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
3520         Likewise.
3521         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
3522         Likewise.
3523         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
3524         Likewise.
3525         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
3526         Likewise.
3527
3528 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
3529
3530         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
3531         include linux/types.h when checking linux/random.h header.
3532         * config.h.in: Regenerate.
3533         * configure: Ditto.
3534         * src/c++11/random.cc: Conditionally include linux/types.h.
3535
3536 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3537
3538         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
3539
3540 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
3541
3542         PR libstdc++/83834
3543         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
3544         pattern with exact match for std::cerr.
3545
3546 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
3547
3548         PR libstdc++/83833
3549         * include/bits/random.h (chi_squared_distribution::param): Update
3550         gamma distribution parameter.
3551         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
3552         test.
3553
3554         PR libstdc++/83830
3555         * include/std/type_traits (has_unique_object_representations_v): Add
3556         variable template.
3557         * testsuite/20_util/has_unique_object_representations/value.cc: Check
3558         variable template.
3559
3560 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
3561
3562         Make optional conditionally
3563         trivially_{copy,move}_{constructible,assignable}
3564         * include/std/optional (_Optional_payload): Fix the comment in
3565         the class head and turn into a primary and one specialization.
3566         (_Optional_payload::_M_engaged): Strike the NSDMI.
3567         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
3568         New.
3569         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
3570         Likewise.
3571         (_Optional_payload<_Tp, false>::_M_get): Likewise.
3572         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
3573         (_Optional_base_impl): Likewise.
3574         (_Optional_base): Turn into a primary and three specializations.
3575         (optional(nullopt)): Change the base init.
3576         * testsuite/20_util/optional/assignment/8.cc: New.
3577         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
3578         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
3579
3580 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
3581
3582         PR libstdc++/80276
3583         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
3584         (get_template_arg_list): New.
3585         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
3586         instead.
3587         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
3588         of strings and regular expressions.
3589         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
3590         (FilteringTypePrinter): Add docstring. Match using startswith. Use
3591         strip_inline_namespaces instead of strip_versioned_namespace.
3592         (add_one_type_printer): Prepend namespace to match argument.
3593         (register_type_printers): Add type printers for char16_t and char32_t
3594         string types and for types using cxx11 ABI. Update calls to
3595         add_one_template_type_printer to provide default argument dicts.
3596         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
3597         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
3598         basic_string<unsigned char> and basic_string<signed char>.
3599         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
3600         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
3601
3602 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
3603
3604         PR libstdc++/81092
3605         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
3606
3607 2018-01-13  Tim Shen  <timshen@google.com>
3608
3609         PR libstdc++/83601
3610         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
3611         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
3612         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
3613
3614 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3615
3616         PR libstdc++/64054
3617         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
3618         Remove dg-xfail-run-if.
3619
3620 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
3621
3622         * include/bits/forward_list.h
3623         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
3624         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
3625         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
3626         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
3627         (_Fwd_list_impl()): Add noexcept qualification.
3628         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
3629         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
3630         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
3631         (_Fwd_list_base()): Default.
3632         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
3633         (_Fwd_list_base(_Fwd_list_base&&)): Default.
3634         (forward_list<>()): Default.
3635         (forward_list<>(forward_list&&)): Default.
3636         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
3637         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
3638         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
3639         * include/bits/forward_list.tcc
3640         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
3641         _M_impl._M_head move assignment.
3642         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
3643         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
3644
3645 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
3646
3647         PR libstdc++/80276
3648         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
3649         (UniquePointerPrinter): Print correct template argument, not type of
3650         the pointer.
3651         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
3652         a type.
3653         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
3654         array type.
3655         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
3656         weak_ptr of array types.
3657
3658 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
3659
3660         PR libstdc++/83709
3661         * include/bits/hashtable_policy.h
3662         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
3663         __first != __last.
3664         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
3665         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
3666         Add false_type parameter.
3667         (_Insert_base::insert): Adapt.
3668         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
3669         Adapt.
3670         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
3671          Add __n_elt parameter, defaulted to 1.
3672         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
3673         policy _M_need_rehash.
3674         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
3675         produce only 1 rehash if necessary.
3676         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
3677         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
3678
3679 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
3680             Jonathan Wakely  <jwakely@redhat.com>
3681
3682         PR libstdc++/59253 (partial)
3683         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
3684         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
3685         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
3686         children.
3687         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
3688         of unique_ptr printer.
3689         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
3690         output of shared_ptr printer.
3691
3692 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
3693
3694         PR libstdc++/83626
3695         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
3696         unnecessary symlink_status call.
3697         (remove_all(const path&, error_code&)): Use filesystem::remove.
3698         * src/filesystem/std-ops.cc: Likewise.
3699
3700         PR libstdc++/83279
3701         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
3702         sendfile.
3703
3704         PR libstdc++/83626
3705         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
3706         report an error for ENOENT.
3707         (remove_all(const path&)): Fix type of result variable.
3708         (remove_all(const path&, error_code&)): Use non-throwing increment
3709         for directory iterator. Call POSIX remove directly to avoid redundant
3710         calls to symlink_status. Do not report errors for ENOENT.
3711         * src/filesystem/std-ops.cc: Likewise.
3712         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
3713         overload.
3714         * testsuite/experimental/filesystem/operations/remove_all.cc:
3715         Likewise.
3716
3717 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
3718
3719         PR libstdc++/83626
3720         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
3721         redundant call to ec.clear().
3722         (remove_all(const path&, error_code&))): Do not return an error for
3723         non-existent paths.
3724         * src/filesystem/std-ops.cc: Likewise.
3725         * testsuite/27_io/filesystem/operations/remove.cc: New test.
3726         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
3727         results for non-existent paths.
3728         * testsuite/experimental/filesystem/operations/remove.cc: New test.
3729         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
3730         expected results for non-existent paths.
3731
3732         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
3733         check status_known once.
3734         * include/experimental/bits/fs_ops.h: Likewise.
3735
3736         PR libstdc++/83607
3737         * include/std/functional (__is_byte_like): New trait.
3738         (__is_std_equal_to): Remove.
3739         (__boyer_moore_base_t): Use __is_byte_like instead of
3740         __is_std_equal_to.
3741         * include/experimental/functional (__is_std_equal_to): Remove.
3742         (__boyer_moore_base_t): Use __is_byte_like instead of
3743         __is_std_equal_to.
3744         * testsuite/20_util/function_objects/83607.cc: New test.
3745
3746 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
3747
3748         Protect optional's deduction guide with the feature macro
3749         * include/std/optional: Use the feature macro.
3750
3751 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
3752
3753         Update copyright years.
3754 \f
3755 Copyright (C) 2018 Free Software Foundation, Inc.
3756
3757 Copying and distribution of this file, with or without modification,
3758 are permitted in any medium without royalty provided the copyright
3759 notice and this notice are preserved.