libstdc++-v3/ChangeLog

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