libstdc++-v3/ChangeLog

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