libstdc++-v3/ChangeLog

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